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Firstly, arrangement regularity: the more regular and evenly distributed the sub-pixel arrangement, the higher the clarity; On the contrary, if the arrangement is disorderly and the distribution is uneven, the display will be blurry and jagged, which is also the core reason why striped and pentile arrangements are clearer than delta arrangements. Secondly, sub-pixel density: Regardless of the arrangement, the higher the sub-pixel density (the more sub pixels per unit area), the higher the clarity of TFT LCD displays. This is also why high-resolution screens are clearer than low resolution screens of the same size - essentially, the sub pixels are denser.   Thirdly, sub-pixel combination logic: for example, adding green sub pixels to the pentile arrangement, which conforms to the visual characteristics of the human eye, even if the number of sub pixels is equivalent to the stripe pattern, it will be clearer and more delicate visually; The delta arrangement reduces the number of sub pixels, which naturally lowers the clarity.     When choosing a TFT LCD Display, don't just focus on resolution, be sure to pay attention to the RGB sub-pixel arrangement. Choose striped pattern for regular scenes, with high cost-effectiveness and stable clarity; Due to limited budget and low clarity requirements, delta arrangement is preferred; For high-end high-definition scenes, prioritize pentile arrangement to balance clarity and color, and avoid selecting products with "high resolution but blurry display".   ESEN has been dedicated to the research and production of TFT LCD displays for many years, deeply cultivating various display scenarios. Whether it is conventional striped arrangement, high-end pentile arrangement, or cost-effective delta arrangement, they can be customized according to needs, strictly controlling the sub-pixel arrangement accuracy and density to ensure that every TFT LCD display can meet the corresponding clarity standards.

Many people think that the pixels of TFT LCD Display are neatly arranged small squares, but this is not entirely true. The core of pixels is the combination and arrangement of RGB sub pixels. Let's break it down and understand it at a glance. The pixel structure of TFT LCD Display is simply a "pixel array+RGB sub-pixel combination": the entire screen is a huge pixel grid, each grid is a pixel, and each pixel contains three sub pixels: R, G, and B. These three sub pixels are closely arranged to form a complete pixel unit that can display all colors.   Here is a key point to share with everyone: the smaller the size and more orderly the arrangement of sub pixels, the more sub pixels there are per unit area, and the higher the display clarity of TFT LCD Display; On the contrary, if the sub-pixel size is large and the arrangement is messy, even if the resolution is labeled high, the display will be blurry and blurred. The TFT LCD Display produced by ESEN strictly controls the sub-pixel size and arrangement accuracy to ensure that each sub-pixel is evenly distributed, laying the foundation for clear display.   In addition, the pixel structure of TFT LCD Display is also related to the driving method, but the core factor affecting clarity is the arrangement of RGB sub pixels - different arrangements result in different distribution, spacing, and combination logic of sub pixels, leading to significant differences in display effects. Let's focus on several mainstream arrangement methods and their impact on clarity.     Mainstream RGB sub-pixel arrangement: Each arrangement corresponds to different clarity performance   At present, there are three mainstream ways to arrange the RGB sub pixels of TFT LCD displays on the market. There is no absolute superiority or inferiority, only adaptation to different display scenarios. Let's compare their characteristics and clarity performance one by one, which is convenient for everyone to refer to when choosing.   1. RGB stripe: the most basic and universal, with stable clarity   This arrangement method is the most basic and common for TFT LCD displays, and it is also the mainstream arrangement method for ESEN's conventional TFT LCD displays. Simply put, it is "the three sub pixels of R, G, and B, neatly arranged in a stripe along the same direction". For example, in the horizontal arrangement, each row has R, G, B, R, G, and B circulating in sequence, and the vertical arrangement follows the same pattern. The overall arrangement is regular and symmetrical.   Its advantages are obvious: simple arrangement, mature technology, uniform distribution of sub pixels, stable display clarity, high color reproduction, no obvious jagged edges or color edges, and relatively controllable cost. It is suitable for most conventional display scenarios, such as industrial control screens, ordinary car displays, household display devices, etc.   The clarity of this arrangement mainly depends on the density of sub pixels - the denser the sub pixels, the higher the clarity. ESEN optimizes the sub-pixel density of the striped arrangement for mid to high end needs, allowing TFT LCD displays to display more delicate and meet conventional high-definition display requirements at the same resolution.   2. RGB delta arrangement: Cost saving, but slightly weaker clarity   Delta arrangement is a cost saving design method where the R, G, and B sub pixels are not arranged in neat stripes, but are distributed in a triangular (delta shaped) pattern. The three sub pixels form a triangular unit, which is then pieced together into an array of pixels for the entire screen.   The advantage of this arrangement is "space saving and cost saving". For screens of the same size, delta arrangement can reduce the number of sub pixels, lower production difficulty and costs. Therefore, many cost-effective TFT LCD displays adopt this arrangement. But its shortcomings are also very obvious: the distribution of sub pixels is not uniform enough, especially when displaying text and thin lines, it is prone to jagged edges, blurring and blurring, the clarity is slightly weaker than the striped arrangement, and the color transition is not as natural as the striped arrangement.   So delta arrangement is more suitable for scenarios with low clarity requirements and limited budget, such as low-end smart terminals and simple display panels; If it is a scene that requires high clarity, such as industrial control, high-definition car mounted, precision display, etc., ESEN does not recommend using this arrangement of TFT LCD Display.   3. RGB pentale: HD optimized version that balances clarity and color   Pentile arrangement is an optimized high-definition arrangement based on striped arrangement, and is also a commonly used arrangement for ESEN high-end TFT LCD displays. Its core feature is the "sub-pixel misalignment arrangement", where R, G, and B sub pixels are not strictly horizontally aligned, but distributed in a staggered manner, and the number of green sub pixels is appropriately increased - because the human eye is most sensitive to green, increasing the number of green sub pixels can improve visual clarity and color delicacy.   The advantages of this arrangement are prominent: at the same resolution, the sub-pixel utilization of the pentile arrangement is higher, the display is clearer and more delicate, the text edges are smooth without jagged edges, the color transition is natural, and it can reduce power consumption while ensuring clarity, adapting to high-end display scenarios such as high-definition car screens, industrial precision displays, high-end intelligent terminals, etc.   Its only shortcoming is that the process is relatively complex, and the cost is slightly higher than stripe and delta arrangements. However, for scenarios that pursue high-definition display experience, this cost investment is worthwhile, and it is also the arrangement method recommended by ESEN for high-end customers.

With the advancement of the wave of electrification and intelligence in automobiles, digital cockpit has become the core track of automobile competition, and the TFT display screen in the car center control, as the "interactive core" of the digital cockpit, directly determines the driving experience and driving safety. Currently, the TFT display screens for in car central control are rapidly iterating towards three directions: high brightness, wide viewing angle, and high reliability. However, the industry is generally facing a pain point: how to simultaneously meet these three core requirements and avoid "neglecting one and losing the other"? ESEN has been deeply involved in the field of in car displays for many years, focusing on the research and supply of in car central control TFT display screens. With profound insights into in car scenarios, mature technological accumulation, and practical experience, combined with current trends and technical standards in the in car display industry, this article will comprehensively dismantle the three core trends of in car central control TFT display screens, helping car companies and in car terminal manufacturers accurately grasp trends and select suitable in car central control TFT display screen products.   1、 The three core trends of TFT display screens in car central control: why have they become mandatory?   Unlike consumer electronics and industrial control scenarios, in car central control TFT displays need to cope with complex environments such as strong light exposure, multi view viewing, high and low temperature fluctuations, vibration impacts, etc. for a long time, while also considering smooth interaction and driving safety. This also determines that high brightness, wide viewing angle, and reliability have become the core development trends of current in car central control TFT displays, and are also the core considerations for car manufacturers in their selection. Based on data from the in car display industry and practical experience with ESEN, the specific manifestations of the necessity of the three major trends are as follows:     1. Highlighting: Dealing with strong light in the car to ensure driving safety. The TFT display screen of the car's central control needs to be adapted to outdoor strong light environments (such as exposure to sunlight at noon). If the brightness is insufficient, problems such as screen reflection, unclear navigation, and operational failure may occur, seriously affecting driving safety. According to the industry standards for in car displays, the brightness of the current in car central control TFT display screen has been increased from the traditional 500nit to 800-1500nit, making high brightness a must-have - this is also one of the core optimization directions for ESEN in car central control TFT display screens.   2. Wide viewing angle: Suitable for multi scene viewing, enhancing driving experience. The viewers of the in car central control screen not only include the driver, but also the co pilot and rear passengers. The viewing angles from different positions vary greatly. If the viewing angle is too narrow, problems such as color cast, dimming, and unclear visibility may occur, which cannot meet the interactive needs of multiple passengers. Based on industry trends, the current high-quality TFT display screen for car infotainment needs to achieve 170 °+full angle display, ensuring clear and uniform images from any angle. This is also one of the core differences between car displays and ordinary consumer electronics displays.   3. High reliability: Suitable for complex environments in vehicles, extending service life. During the driving process of a car, the TFT display screen in the car's central control needs to withstand complex environments such as high and low temperature fluctuations (-30 ℃~+80 ℃), vibration, dust, and humidity. At the same time, it must support long-term stable operation for 7 × 24 hours. If the reliability is insufficient, problems such as black screen, lagging, and damage may occur, affecting the driving experience and increasing after-sales costs. Therefore, industrial grade reliability has become the core hard indicator of TFT display screens in vehicle control systems, which must comply with relevant IEC industry standards.   ESEN Reminder: In the current TFT display industry for car infotainment, most products can only cater to 1-2 trends, making it difficult to achieve synergy among the three - for example, high brightness products often have high power consumption and insufficient reliability, wide viewing angle products are prone to brightness loss, and high reliability products are difficult to balance display effects. ESEN has achieved synchronous implementation of high brightness, wide viewing angle, and reliability of the TFT display screen in the car center control through technological optimization and process upgrading, perfectly adapting to the high-end needs of the car's digital cockpit.

After understanding the working principle of TFT LCD displays, we can have a clearer understanding of the significance of their core performance parameters, which is crucial for purchasing products that are suitable for various scenarios. Based on years of procurement guidance experience, ESEN HK LIMITED has summarized the key points of "principle+performance" to assist everyone in accurately purchasing TFT LCD displays:     1. Brightness: It is related to the brightness of the LED beads in the backlight module and the efficiency of the light guide plate. For outdoor scenes, a high brightness (above 800nit) TFT LCD display screen should be selected, and for indoor scenes, 200-500nit is sufficient;   2. Response speed: It is related to the deflection speed of liquid crystal molecules and the response speed of TFT transistors. For dynamic display scenarios (such as car control and monitoring), products with a response speed of ≤ 5ms should be selected to avoid ghosting;   3. Resolution: It is related to the transistor density of the TFT array substrate. The higher the resolution, the higher the transistor density, and the clearer the image. It can be selected according to the scene requirements (such as 720P/1080P for industrial control and 2K/4K for high-end terminals);   4. Contrast: It is related to the deflection accuracy of liquid crystal molecules and the uniformity of backlight. The higher the contrast, the more obvious the black and white differences, and the stronger the image hierarchy. The TFT LCD display under ESEN HK LIMITED can achieve a contrast ratio of over 1500:1, presenting finer image details.   Only by understanding the principles can one choose the right TFT LCD display screen   In summary, the working principle of TFT LCD display screen is essentially a complete collaborative process of "backlight emission → light filtering → LCD adjustment → TFT control → pixel color display". Each module plays an irreplaceable role - the backlight module provides a light source, the polarizer filters light, the LCD molecules adjust brightness, and the TFT array substrate controls pixels. Only by working together can clear and stable images be presented.   Understanding the working principle of TFT LCD displays can not only help us better understand their performance parameters and avoid procurement misunderstandings, but also better maintain the product and avoid common faults during use. ESEN HK LIMITED has always been customer-oriented, deeply cultivating the field of TFT LCD displays. With high-quality products, professional technical services, and comprehensive after-sales support, we help customers in various industries choose and use TFT LCD displays well, empowering our products.   If you are facing the challenge of selecting TFT LCD display screens and are unsure how to choose the appropriate parameters according to the scene requirements, or need customized TFT LCD display screen products, you can consult ESEN HK LIMITED's professional customer service for free selection advice and sample testing services, allowing you to accurately select the right TFT LCD display screen and unlock a high-quality display experience!

In various scenarios such as consumer electronics, industrial control, automotive electronics, and smart terminals, TFT LCD displays have become one of the most widely used display devices due to their advantages of high definition, high contrast, fast response speed, and low power consumption. Many users only focus on surface parameters such as size and resolution when using or purchasing TFT LCD displays, but have only a partial understanding of their core working principles - little do they know that understanding the precise control logic of TFT LCD displays from backlight to pixels can not only help us better choose products that are suitable for the scene, but also effectively avoid common problems in use. ESEN HK LIMITED has been deeply involved in the display field for many years, helping everyone understand TFT LCD displays.     1、 Basic understanding: The core definition of TFT LCD display screen, the principle of understanding before disassembling   Firstly, clarify the core concept: TFT liquid crystal display, also known as Thin Film Transistor Liquid Crystal Display, is characterized by "passive light emission+active driving" - unlike OLED displays that emit light themselves, TFT liquid crystal displays do not emit light and rely on backlight modules to provide a light source. Then, the deflection of liquid crystal molecules is used to control the amount of light passing through. Finally, through the precise driving of TFT (Thin Film Transistor), each pixel achieves independent color display, presenting clear images.   ESEN HK LIMITED reminds that the core components of TFT LCD displays can be divided into 5 modules (in the order of light propagation): backlight module → lower polarizer → liquid crystal molecular layer → TFT array substrate → upper polarizer. These 5 modules work together to complete the complete process from backlight to pixel color development, which is also the core logic line of our disassembly working principle. The TFT LCD display screens produced by ESEN HK LIMITED use high-quality components in each module, which undergo strict testing to ensure stable coordination in all aspects and present higher quality display effects.   ESEN HK LIMITED: A professional solution provider for TFT LCD display screens   ESEN HK LIMITED has been deeply involved in the display field for many years, focusing on the research and development, production, and supply of TFT LCD displays. With professional technical strength, strict quality control, and a complete service system, it has become the preferred cooperative brand for many global enterprises, providing high-quality and highly adaptable TFT LCD display products and customized solutions for various industries such as consumer electronics, industrial control, automotive electronics, and intelligent terminals.   Core advantages of the company:   1. Full specification product coverage: TFT LCD display screen size covers 1.8-21.5 inches, resolution covers 480 × 320, 720P, 1080P, 2K, 4K, brightness can be customized (200-1500nit), suitable for direct/side entry backlight, meeting the display needs of different scenes;   2. Strict quality control: From backlight modules, LCD molecules, TFT array substrates to polarizers, all components are selected from high-quality brands in the industry, and the production process follows the ISO9001 quality system throughout. Each batch of TFT LCD displays undergoes multidimensional testing for brightness, contrast, response speed, stability, etc. Unqualified products will never leave the factory;   3. Professional technical services: With an experienced R&D and technical team, we can provide free TFT LCD display selection advice and customized design (such as brightness, resolution, interface) according to customers' scene needs (such as outdoor, industrial, automotive), while also providing technical support to solve various problems in product use;   4. Improve after-sales support: Exclusive discounts are available for bulk purchases. In case of quality issues, products can be returned or exchanged within 7 days without reason. Lifetime technical support and after-sales maintenance are provided, and timely supply services are provided to ensure that customer production progress is not affected.  

We take "light propagation path" as the core logic, starting from backlight emission, gradually dismantling the role of each module, and clearly explaining how TFT LCD displays achieve precise pixel control. The whole process is accompanied by popular interpretation, avoiding complex professional terms, so that readers with different knowledge backgrounds can understand.   （1） Step 1: Backlight module - the "light source heart" of TFT LCD display screen   As mentioned earlier, TFT LCD displays do not emit light themselves, and all light comes from the backlight module. This is the "first step" and the most fundamental step in the entire display process. The core function of the backlight module is to provide a uniform and stable white light source, laying the foundation for subsequent pixel color development. Its performance directly determines the brightness, uniformity, and power consumption of TFT LCD displays.     Core Detail Interpretation:   1. Backlight module composition: mainly includes LED beads (light source), light guide plate, diffusion film, and brightness enhancement film, among which LED beads are divided into direct type and side in type (currently the mainstream is side in type, thinner and lighter, with lower power consumption); The function of a light guide plate is to convert the point light source of LED beads into a surface light source, ensuring uniform distribution of light; Diffusion film and brightening film are used to improve the uniformity and brightness of light, reducing light loss.   2. Working logic: After the LED beads are powered on, they emit white light. The light enters the light guide plate and refracts through the microstructure of the light guide plate, diffusing the point light source into a uniform surface light source. After optimization through diffusion film and brightness enhancement film, the final output is a uniform and bright white backlight that illuminates the polarizer on the next layer.   Advantages of ESEN HK LIMITED: The TFT LCD display screen under ESEN HK LIMITED adopts high-quality LED beads and imported light guide plates, with backlight uniformity of over 95%. The brightness can be customized according to the scene (200-1500nit), and the backlight driving scheme is optimized. The power consumption is reduced by 15% -20% compared to ordinary TFT LCD display screens, which is suitable for outdoor, industrial and other multi scene needs.   （2） Step 2: Polarizer - the "directional filter" for light   The light emitted by the backlight module is "irregular polarized light" (which can be understood as "chaotic" light), which cannot be directly controlled by liquid crystal molecules. At this time, polarizing films (divided into lower polarizing film and upper polarizing film) are needed to play a "filtering" role, making the light become "unidirectional" polarized light, laying the foundation for the subsequent deflection control of liquid crystal molecules.   Core Detail Interpretation:   1. Polarizer (near the backlight module): Its function is to filter the irregular light emitted by the backlight module into linearly polarized light in a "single direction" (such as the horizontal direction). Only light that conforms to this direction can pass through, while light from other directions will be filtered out.   2. Upper polarizer (close to the observer): Its polarization direction is 90 ° perpendicular to the lower polarizer (compared to the horizontal direction of the lower polarizer and the vertical direction of the upper polarizer). Without the intervention of liquid crystal molecules, the filtered light from the lower polarizer will be completely blocked by the upper polarizer, and the TFT LCD display will appear "black" (no light passing through).   Key reminder: The polarization direction of the polarizer must be accurately aligned, otherwise it may cause excessive light loss, dark display, light leakage and other problems. ESEN HK LIMITED uses high-precision polarizer bonding technology in the production of TFT LCD displays, with an alignment accuracy of ± 0.01mm, effectively avoiding the above problems and ensuring stable display effects.   （3） Step 3: Liquid Crystal Molecular Layer - Precise Light Regulator   The liquid crystal molecular layer is the "core adjustment component" of TFT liquid crystal display screens, located between the upper and lower polarizing films. Its core function is to "control the amount of light transmitted" - by changing the deflection angle of the liquid crystal molecules, the amount of light transmitted can be adjusted to achieve different brightness displays, providing a basis for pixel color development.   Interpretation of Core Details (Popular Illustrations):   1. Characteristics of liquid crystal molecules: Liquid crystal molecules themselves have "anisotropy", which can be understood as "like small wooden sticks, they can freely deflect direction", and their deflection angle is controlled by external voltage - the higher the voltage, the greater the deflection angle; The smaller the voltage, the smaller the deflection angle; When there is no voltage, the liquid crystal molecules are in a natural alignment state.   2. Working logic: When the single directional polarized light filtered by the polarizer is irradiated onto the liquid crystal molecular layer, the liquid crystal molecules will "rotate" the polarization direction of the light (the rotation angle is consistent with their own deflection angle), and then the light will continue to propagate to the upper polarizer. Since the polarization direction of the upper polarizer is perpendicular to that of the lower polarizer, whether light can pass through the upper polarizer is entirely determined by the deflection angle of the liquid crystal molecules   ① When there is no voltage: the liquid crystal molecules naturally align and rotate the polarization direction of the light by 90 °, which is exactly the same as the polarization direction of the upper polarizer. The light can completely pass through, and at this time, the area appears in the "brightest" state;   ② When the maximum voltage is applied: the liquid crystal molecules deflect 90 ° and no longer rotate the polarization direction of the light. The light is perpendicular to the polarization direction of the upper polarizer, and the light cannot pass through at all. At this time, the area appears in the "darkest" (black) state;   ③ When an intermediate voltage is applied, the liquid crystal molecules deflect by a certain angle, and the angle of the polarization direction of the rotating light also changes accordingly. Part of the light can pass through the upper polarizer, and at this time, the area appears as "intermediate brightness" (gray).   ESEN HK LIMITED Optimization: ESEN HK LIMITED focuses on the liquid crystal molecular layer of TFT liquid crystal displays, using high-quality liquid crystal materials and optimizing the molecular arrangement process to increase the deflection response speed of liquid crystal molecules to within 5ms, effectively avoiding problems such as image ghosting and blurring, and adapting to dynamic display scenarios such as industrial monitoring and automotive control.   （4） Step 4: TFT Array Substrate - Precise Controller for Pixels   The first three steps have achieved "emission, filtering, and adjustment of light", but in order to present clear images, independent control of "each pixel" is also required - this is the core role of TFT array substrates. TFT (Thin Film Transistor) is equivalent to a "micro switch" for each pixel, which can accurately control the voltage of the liquid crystal molecules corresponding to each pixel, thereby achieving independent color development for each pixel. This is also the key to TFT LCD displays presenting high-definition images.   Interpretation of Core Details (Popular Illustrations):   1. Structure of TFT array substrate: The TFT array substrate is covered with densely packed TFT transistors, each corresponding to a pixel (such as a 1080P resolution TFT LCD display screen, which has 1920 × 1080 TFT transistors corresponding to the same number of pixels). Each TFT transistor is connected to an electrode and can independently output voltage to control the liquid crystal molecules in the corresponding area.   2. Work logic (precise control of pixels):   ① Signal input: The TFT array substrate receives external image signals (such as signals transmitted by computers and motherboards), converts the signals into corresponding voltage signals, and distributes them to each TFT transistor;   ② Independent control: Each TFT transistor applies precise voltage to the liquid crystal molecules in the corresponding area based on the received voltage signal, controlling the deflection angle of the liquid crystal molecules and thus controlling the light transmittance (brightness) of the pixel;   ③ Pixel combination: All pixels are independently controlled by TFT transistors to present different brightness levels, and then combined with color filters (to be added later) to form clear and complete color images. Finally, they are viewed by the observer through an upper polarizer.   Key supplement: The color TFT LCD display screen will also add a layer of color filter (RGB tri color filter) between the TFT array substrate and the upper polarizer, with each pixel corresponding to an RGB filter unit. By controlling the RGB tri color brightness ratio of each pixel, full-color display can be achieved - this is also the core reason why we can see color images.   Advantages of ESEN HK LIMITED: The TFT array substrate produced by ESEN HK LIMITED adopts high-precision photolithography technology, with high density of TFT transistors and fast response speed. It can achieve multiple resolutions such as 1080P, 2K, 4K, etc. At the same time, the circuit design is optimized to reduce power consumption and ensure the control accuracy of each pixel, presenting clearer and more delicate images.   （5） Complete workflow summary   In order to help everyone understand the entire working principle more clearly, we use a "step-by-step summary" approach to sort out the complete process of TFT LCD display from backlight to pixel color display, without complex terminology throughout the process:   1. Backlight emission: The LED beads of the backlight module are powered on and output uniform white backlight through a light guide plate, diffusion film, etc;   2. Light filtering: The lower polarizer filters the white backlight into polarized light in a single direction;   3. Light adjustment: Under external voltage control, the liquid crystal molecular layer deflects at different angles to adjust the amount of light transmitted;   4. Pixel control: Each TFT transistor on the TFT array substrate independently controls the liquid crystal molecule voltage of the corresponding pixel, achieving brightness adjustment for each pixel;   5. Color rendering imaging: Light passes through an upper polarizer and a color filter, and each pixel presents its corresponding color and brightness, combined to form a clear color image that is visible to the observer.

In modern society, bar shaped LCD screens have become an indispensable part of our lives. Bar shaped LCD screens play an important role in outdoor billboards, navigation devices, indoor televisions, computer monitors, and other fields. However, due to its unique display principle, bar shaped LCD screens have relatively weak resistance to ultraviolet radiation. Therefore, having UV resistance has become an important indicator for bar shaped LCD screens. Bar shaped LCD screen manufacturers will delve into the importance and implementation strategies of anti UV function for bar shaped LCD screens.   Firstly, we need to understand the impact of ultraviolet radiation on bar shaped LCD screens. Ultraviolet radiation is a high-energy light that can excite electrons and cause chemical reactions in liquid crystal molecules. This can lead to color distortion, reduced contrast, and even image residue in bar shaped LCD screens. Long term exposure to ultraviolet radiation can accelerate the oxidation and aging of liquid crystal materials, shortening the lifespan of display screens. Therefore, the anti UV function is crucial for the long-term stable operation of strip LCD screens.     In order to address the impact of ultraviolet radiation on strip LCD screens, manufacturers have adopted various strategies in the design and manufacturing process. Firstly, materials with UV resistance are used to make the outer layer and back panel of the display screen. These materials can effectively block the penetration of ultraviolet rays and reduce their impact on internal liquid crystal molecules. Secondly, apply an anti UV coating on the surface of the display screen. This coating can absorb and reflect ultraviolet rays, further reducing their intrusion into the interior of the display screen. In addition, some high-end products also adopt multi-layer protection design, which comprehensively blocks the invasion of ultraviolet rays through multiple protective layers.   In addition to the anti UV design of the product itself, proper use and maintenance are also key factors in ensuring the long-term stable operation of the strip LCD screen. During the installation process, it is necessary to ensure that the installation angle and position of the display screen can avoid direct sunlight and reduce the exposure time of ultraviolet rays. At the same time, regularly cleaning the surface of the display screen and maintaining cleanliness is also a necessary measure to prevent the influence of ultraviolet rays. If any abnormalities or color distortions are found in the image during use, they should be checked in a timely manner and corresponding maintenance measures should be taken.   In addition, users can also pay attention to the product's UV resistance performance indicators when choosing a bar shaped LCD screen. Understanding the UV resistance level and testing data of a product can better evaluate its ability to resist UV radiation. At the same time, choosing well-known brands and products that have been certified by authorities can also improve their reliability and stability. The anti UV function is of great significance for the long-term stable operation and service life of strip LCD screens. By combining multiple protective measures such as product design, proper use, and maintenance, we can effectively reduce the impact of ultraviolet radiation on strip LCD screens, ensuring their reliability and stability in various environments.

With the advancement of technology, in car devices are also constantly being upgraded. Among them, the car bar screen, as a new type of display device, brings drivers a brand new driving experience.   Car mounted strip screen is a long strip display screen, usually installed on the center console of a car. It has the characteristics of high definition, high brightness, and high contrast, which can provide drivers with clearer and more intuitive navigation, entertainment, and other information.     Compared with traditional car displays, car bar screens have a larger display area and more flexible installation methods. It can be customized according to the car model and the needs of the driver, meeting the needs of different groups of people. At the same time, the car bar screen also has stronger anti-interference ability and higher reliability, and can work normally in various harsh environments.   In addition to basic navigation and entertainment functions, car bar screens can also achieve more intelligent functions. For example, it can be connected to devices such as mobile phones and tablets to achieve functions such as voice control and gesture recognition, making it more convenient for drivers to operate the devices. In addition, personalized settings can be made according to the driver's habits and preferences, such as adjusting brightness, color, etc., to provide a more comfortable driving environment for the driver.   As a new type of display device, the car bar screen brings drivers a brand new driving experience. It not only has a larger display area and more flexible installation methods, but also has stronger anti-interference ability and higher reliability. At the same time, it can also achieve more intelligent functions, providing drivers with a more convenient, comfortable, and safe driving environment.

The resolution of a LCD screen has a significant impact on the display effect. Resolution refers to the number of pixels in the horizontal and vertical directions on a display screen, usually expressed in the form of "horizontal pixels x vertical pixels", such as 1920x1080 or 4K UHD (3840x2160). The following are the specific effects of resolution on the display performance of LCD screens:       LCD Bar Screen 1.jpg       1. Clarity: Higher resolution means more pixels, allowing for finer and clearer images to be displayed. High resolution display screens can present more details and textures, making images look more realistic and vivid.   2. Image size: Under a fixed screen size, higher resolution means denser pixels and smaller physical space occupied by each pixel. This may cause the image to appear smaller or require scaling to fit the screen. However, on larger display screens, high resolution can provide a larger visible area while maintaining image clarity.     3. Color expression: There is no direct relationship between resolution and color expression, but high-resolution displays typically provide better color levels and saturation. This is because more pixels can present color transitions and details more accurately.   4. Text readability: For applications that require displaying a large amount of text (such as office work, web browsing, etc.), high-resolution displays can provide clearer text display effects. At high resolution, the edges of text are smoother and the font is more delicate, thereby improving readability.   5. Gaming and audiovisual experience: For gaming and high-definition audiovisual content, high-resolution displays can provide a more realistic visual experience. Players and viewers can enjoy finer visuals, more realistic scenes, and smoother animation effects.  

1、 Display technology:   CRT monitors use cathode ray tube technology, which is an early display technology that uses an electron gun to emit an electron beam onto a fluorescent screen to display images.   Liquid crystal display (LCD) uses liquid crystal display technology, which utilizes the optical properties of liquid crystal materials to control the passage and obstruction of light, thereby displaying images on the screen.   2、 Display principle:   The working principle of CRT display is that the electron gun emits an electron beam, which is controlled by the magnetic field of the deflection coil to scan the pixels on the fluorescent screen, thereby exciting light and forming an image. The electron beam hitting the fluorescent screen will cause the fluorescent powder to emit light, forming pixel points.   The display principle of LCD screens is to control the arrangement of liquid crystal molecules, adjust the transmission and obstruction of light to achieve image display. The LCD panel consists of two glass substrates with a layer of liquid crystal material sandwiched between them. When current passes through the liquid crystal material, the arrangement direction of the liquid crystal molecules will change, thereby affecting the degree of light transmission and forming an image.   3、 Structure and appearance:   CRT displays are usually bulky and bulky because they contain components such as vacuum tubes, electron guns, deflection coils, and require high-voltage circuits to drive the electron guns.   LCD screens are relatively lightweight and have a relatively simple structure, mainly composed of LCD panels, backlight modules, and circuit boards. It does not require vacuum tubes and high-voltage circuits, so it is smaller in size and lighter in weight.     4、 Energy consumption and environmental protection:   CRT monitors, due to the need for high-voltage circuits and large size, usually consume a lot of electricity and are difficult to recycle after disposal, causing certain pressure on the environment.   LCD screens are relatively energy-efficient, compact in size, easy to recycle and dispose of, and have a minimal impact on the environment.   5、 Performance performance:   CRT displays typically outperform early LCD displays in terms of color performance, contrast, and brightness, especially in dark environments.   With the continuous advancement of technology, LCD displays have significantly improved their color performance, resolution, and refresh rate, and can now rival or even surpass CRT displays.

TFT refers to thin film transistors, which means that each liquid crystal pixel is driven by a thin film transistor integrated behind the pixel, enabling high-speed, high brightness, and high contrast display of screen information. It is currently one of the best LCD color display devices, with effects similar to CRT displays, and is a mainstream display device in industrial control such as automotive, medical, and military industries.     What is TFT LCD screen   TFT (Thin Film Transistor) refers to a thin film transistor, which means that each liquid crystal pixel is driven by a thin film transistor integrated behind the pixel, enabling high-speed, high brightness, and high contrast display of screen information. It is currently one of the best LCD color display devices, with effects similar to CRT displays, and is the mainstream display device on laptops and desktops. Each pixel of TFT is controlled by TFT integrated on itself, which is an active pixel. Therefore, not only can the speed be greatly improved, but the contrast and brightness are also greatly enhanced, and the resolution has also reached a high level.   TFT-LCD liquid crystal display screen is a thin film transistor type liquid crystal display screen, also known as "True Color" (TFT). TFT LCD is equipped with a semiconductor switch for each pixel, which can be directly controlled by dot pulses. Therefore, each node is relatively independent and can be continuously controlled, which not only improves the response speed of the display screen, but also accurately controls the display color level, making the color of TFT LCD more realistic. TFT is a thin-film transistor active matrix liquid crystal display device. TFT LCD displays are designed with a field-effect transistor at each pixel, making it easy to achieve true color and high-resolution LCD display devices. Nowadays, TFT type liquid crystals generally achieve 18 bit or more color (218 colors), and even reach 24 bit color; In terms of resolution, achieving VGA (640 × 480), SVGA (800 × 600), XGA (1024 × 768), SXGA (1280 × 1024), and even UXGA (1600 × 1200) has become a reality.  

The working principle of LCD screen:   In TN-LCD LCD display panels with a thickness of less than 1 centimeter, they are usually made of two large glass substrates with color filters, alignment films, etc. sandwiched inside, and two polarizing plates wrapped outside. They can determine the maximum luminous flux and color generation. A color filter is a filter composed of three colors: red, green, and blue, which are systematically made on a large glass substrate. Each pixel is composed of units (or sub pixels) of three colors. If there is a panel with a resolution of 1280 × 1024, it actually has 3840 × 1024 transistors and sub pixels.   The upper left corner (gray rectangle) of each sub-pixel is an opaque thin-film transistor, and a color filter can produce the three primary colors of RGB. Each interlayer contains grooves formed on electrodes and alignment films, and the upper and lower interlayers are filled with multiple layers of liquid crystal molecules (with a liquid crystal space of less than 5 × 10-6m). Within the same layer, although the positions of the liquid crystal molecules are irregular, their long axis orientations are parallel to the polarizing plate. On the other hand, between different layers, the long axes of liquid crystal molecules are continuously twisted 90 degrees along the parallel plane of the polarizing plate.     Among them, the orientation of the long axes of the two layers of liquid crystal molecules adjacent to the polarizing plate is consistent with the polarization direction of the adjacent polarizing plate. The liquid crystal molecules near the upper interlayer are arranged in the direction of the upper groove, while the liquid crystal molecules in the lower interlayer are arranged in the direction of the lower groove. Finally, it is packaged into a liquid crystal cell and connected to the driver IC, control IC, and printed circuit board. Under normal circumstances, when light shines from top to bottom, only a single angle of light can penetrate through. It is guided into the grooves of the upper interlayer through the upper polarizing plate, and then exits the lower polarizing plate through the twisted arrangement of liquid crystal molecules, forming a complete path of light penetration.   The interlayer of the LCD display is attached with two polarizing plates, and the arrangement and transmission angle of these two polarizing plates are the same as the groove arrangement of the upper and lower interlayers. When a certain voltage is applied to the liquid crystal layer, due to the influence of external voltage, the liquid crystal will change its initial state, no longer arranged in the normal way, and become upright. Therefore, the light passing through the liquid crystal will be absorbed by the second polarizing plate, and the entire structure will appear opaque, resulting in black on the display screen. When no voltage is applied to the liquid crystal layer, the liquid crystal is in its initial state and twists the direction of incident light by 90 degrees, allowing the incident light from the backlight to pass through the entire structure, resulting in white on the display screen. In order to achieve the desired color for each independent pixel on the panel, multiple cold cathode lamps must be used as the backlight source for the display.

We all know that newly purchased OLED screens are covered with a transparent protective film, and users should try not to remove it before assembly to avoid scratching the appearance of the LCD screen. When removing the protective film, the LCD screen will display bright lines or other abnormal displays, which is caused by static electricity during the removal of the protective film. After standing for a few seconds, the abnormal display will automatically disappear and it can be used normally.   Moisture is undoubtedly the "enemy" of OLED screens. In addition to avoiding drinking beverages and eating fruits near the OLED screen as much as possible, it is also important not to store the machine in a damp place, as severe moisture can damage the internal components of the OLED screen. It is worth noting that in winter and summer, when entering or leaving rooms with heating or air conditioning, large temperature differences can also cause "condensation". When users power on the LCD at this time, it may also cause corrosion of the LCD electrodes, resulting in sexual damage. We also recommend that the temperature change in your environment should not exceed 10 ℃/10min. Once water enters the screen, if you only notice fog on the surface of the screen before turning it on, gently wipe it off with a soft cloth and then turn it on. If moisture has entered the LCD, it should be placed in a warmer place, such as under a desk lamp, to gradually evaporate the moisture inside. During the rainy season, it is also important to regularly run the OLED screen for a period of time to heat the components and dissipate moisture. Additionally, a small bag of moisture-proof agent can be placed in the package containing the LCD screen to create a good home for it.          For screen maintenance, in addition to paying attention to the above issues, OLED screens have a much shorter lifespan compared to CRT screens, and their aging rate is also much faster. Therefore, we need to pay extra attention when using them regularly. For example, habits related to screen usage during prolonged periods of inconvenience can reduce unnecessary screen wear and tear. In addition, to delay the aging of OLED screens, attention should also be paid to avoiding direct sunlight for long periods of time, using moderate brightness/contrast as much as possible, and reducing long-term display of fixed patterns (to avoid excessive local aging). Another point is to regularly use specialized soft bristled brushes, eyeglass cloths, ear wash balls, etc. to wipe the screen. If necessary, isopropyl alcohol, alcohol, or a little water can be used to clean surface stains. These tips are very beneficial for OLED screens.

The difference between LCD dot matrix screen and segment code screen 1. Dot matrix LCD (dot matrix screen) is an array arranged according to certain rules, commonly including graphic dot matrix LCD modules. It is made up of Composed of many points, by controlling these points, the desired graphics or Chinese characters can be displayed, and the top, bottom, left, and right of the screen can be achieved Right scroll, animation function. For example, a 12864 dot matrix screen has 128 dots horizontally and 64 dots vertically, for a total of There are 128 * 64 points.     2. Segment code LCD (segment code screen), also known as pen segment LCD, refers to a fixed display screen that displays or does not display at a specified position and can only be used For simple display of characters and numbers, it mainly replaces LED digital tubes (consisting of 7 pen segments used to display numbers 0-9), The displays on calculators, clocks, and landline phones are all numerical and relatively simple. The main difference between segmented screens and dot matrix screens is that segmented screens can display numbers and characters, while dot matrix screens do not   It can only display numbers and also display images and Chinese characters, and segment code screens are much cheaper in price.

1. Jingda Display LCD is the full name of Liquid Crystal Display, which mainly includes several types of LCD displays such as TFT, UFB, TFD, STN, etc.   LED is the abbreviation for Light Emitting Diode. LED applications can be divided into two categories: one is LED display screens; The second is the application of LED single tube, including backlight LED, infrared LED, etc. As far as LED display screens are concerned, China's design and production technology level is basically synchronized with the international level.   2. Compared with LCD displays, LED displays have advantages in brightness, power consumption, viewing angle, and refresh rate. By utilizing LED technology, displays that are thinner, brighter, and clearer than LCDs can be manufactured. The power consumption ratio of LED to LCD is approximately 1:10, making LED more energy-efficient.     3. Jingda Display LED has a higher refresh rate and better performance in video. LED provides a viewing angle of up to 160 °, which can display various text, numbers, color images, and animation information. It can play color video signals such as TV, video, VCD, DVD, etc.   4. The single element reaction speed of the Jingda Display LED screen is 1000 times faster than that of the LCD screen, and it can also be taken care of under strong light and adapt to temperatures as low as minus 40 degrees Celsius. Simply put, LCD and LED are two different display technologies. LCD is a display screen composed of liquid crystals, while LED is a display screen composed of light-emitting diodes.   5. At present, the LED display screens on the market are not true LED displays in the true sense. More accurately, they are LED backlit LCD displays, and the LCD panel is still a traditional LCD display screen.   For LCD displays, the most important factors are their LCD panel and backlight type. LCD panels on the market generally use TFT panels, which are the same. The only difference between LED and LCD is their backlight types: LED backlight and CCFL backlight (also known as fluorescent lamps), which are diodes and cold cathode lamps, respectively.

Identification method of LCD character screen (LCD liquid crystal screen) Nowadays, the competition for LCD character screens (LCD screens) is becoming increasingly fierce, and the level of craftsmanship is also improving significantly   LCD character screen (LCD liquid crystal screen) manufacturers have raised the standards for raw materials, which affects production and inspection   The control of internal quality has been strengthened, resulting in a significant increase in the frequency of bad points   Reduced.     The method of detecting bad pixels on LCD character screens is relatively simple now, just need to   Adjust the brightness and contrast of the LCD screen to a high value (when the value is high, the image appears white) or   When the value is low (the screen will display all black), how many lights will be displayed on the screen at this time   Point or how many dark spots. If the number of these bad pixels does not exceed the specified standard range, even if one or more of them appear   Bad pixels are also a normal occurrence. But it's better not to be lower than the standard of A-level panels.

The difference between dot matrix screen and TFT screen   The dot matrix screen technology, taking full-color as an example, packages 192 LED chips in three colors in a module, which forms a unit board and a display screen. Lattice, itself a geometric term, is English for: lattice. It is a grid frame, similar to the meaning of a grid frame. Originally a spatial term, if taken out of a flat surface, it is not related to the arrangement of light beads on the display screen. Designing a display dot matrix refers to how many pixels can be displayed on the length and width of the display screen, or how many LEDs will emit light simultaneously on the length and width of the LED display screen. There is a deep connection with the mesh structure of our digital and analog circuits. The main products of dot matrix full-color are P6 and P7.62 specifications. Suitable for different places such as sports venues, commercial applications, banks, securities, postal services, schools, restaurants, hotels, entertainment, enterprises, etc.     TFT is a variant of LCD. TFT, Thin Film Transistor, is a type of active matrix liquid crystal display AM-LCD. TFT is equipped with a special light tube on the back of the liquid crystal, which can "actively" control each independent pixel on the screen. This is the origin of the so-called Active Matrix TFT (AcTIVeMatrixTFT), which can greatly improve the reaction time. Generally, the reaction time of TFT is relatively fast, about 80ms, while STN is 200ms. If you want to improve it, there will be flickering phenomenon. Moreover, due to the active matrix LCD of TFT, the arrangement of liquid crystals has memory, and will not immediately return to its original state after the current disappears. TFT also improves the phenomenon of STN flicker (water ripples) - blurring, effectively enhancing the ability to play dynamic images. Compared with STN, TFT has excellent color saturation, restoration ability, and higher contrast, but the disadvantage is that it consumes more power and has a higher cost.

Thin Film Transistor (TFT) refers to a device in which each liquid crystal pixel on a liquid crystal display is driven by an integrated thin-film transistor. Thus, it is possible to achieve high-speed, high brightness, and high contrast display of screen information. TFT-LCD (Thin Film Transistor Liquid Crystal Display) is one of the most common types of liquid crystal displays.     The basic structure of OLED is composed of a thin and transparent indium tin oxide (ITO) with semiconductor properties, connected to the positive electrode of electricity, and another metal cathode, forming a sandwich like structure. The entire structural layer includes: hole transport layer (HTL), light-emitting layer (EL), and electron transport layer (ETL). When power is supplied to an appropriate voltage, the positive electrode holes and cathode charges will combine in the luminescent layer, producing light. Depending on the formula, red, green, and blue RGB primary colors are produced, forming the basic colors. The characteristic of OLED is that it emits light on its own, unlike TFT LCD which requires backlighting, resulting in high visibility and brightness. Secondly, it has low voltage requirements and high power efficiency, fast response, light weight, thin thickness, simple structure, and low cost. Although OLED with better technology will replace LCD such as TFT in the future, organic light-emitting display technology still has shortcomings such as short service life and difficulty in screen enlargement.

The Chinese LCD display industry developed rapidly in the past few years, but now the industry market is gradually saturated. At present, global economic growth is slowing down, and the Chinese economy has entered a stage of "new normal" development. The LCD display industry is entering a painful period of transformation.   Year after year, in the blink of an eye, 2015 has come to an end. Looking back at 2015, the growth rate of the LCD display industry slowed down significantly, but it also steadily increased; Driven by the innovation driven strategy, technological added value is becoming the core competitiveness of products; High value-added products represented by small spacing are becoming increasingly popular, transitioning from emphasizing technology to emphasizing product value and experience; This year, frequent mergers and acquisitions occurred in the industry, gradually becoming the norm, and the number of "premium" acquisitions increased significantly; Affected by the national macroeconomic downturn, the industry market demand is cold, and large LED enterprises are facing increasing pressure in terms of scale and profits. The survival and development space of small and medium-sized LED enterprises is further compressed; In addition, the industry is also facing problems such as insufficient concentration, overcapacity, lack of innovation awareness, disorderly competition, prevalent price wars, and continuous reshuffling and bankruptcy waves.     From the initial era of huge profits to the era of low profits, the restructuring and reshuffling of the LED display industry have become increasingly intense, and the industry landscape is undergoing significant changes.   1. There is significant downward pressure on the national macroeconomic situation   The growth rate of China's GDP has been declining since 2012, with 7.7%, 7.7%, and 7.4% in the first half of 2012, 2013, and 2014, respectively. In the first half of 2015, China's GDP grew by 7.0% year-on-year, marking the end of the average high-speed growth of around 10% in the past 30 years and the entry of the economy into a new normal.   Affected by the downward trend of the national macro economy, the application of LED displays in government projects, urban landscapes, advertising media and other fields has been somewhat impacted. When the industry market demand is cold, small and medium-sized enterprises face survival difficulties, and large enterprises face profit growth bottlenecks.   2. There are many small and medium-sized enterprises, and the industry concentration is insufficient   In the early stages of the development of China's LCD display industry, the industry had low entry barriers and profitability. Many companies seize the opportunity to enter the LED display industry; Around 2008, under the influence of the Beijing Olympics, a large number of LED display related enterprises were directly or indirectly established; In recent years, more and more traditional display companies and other companies outside the industry have extended into the field of light-emitting diode displays   At present, there are numerous enterprises in the LED electronic display industry, with no less than 1000 of them, and the market competition is extremely fierce. Although industry consolidation and mergers and acquisitions have continued in recent years, to some extent promoting industry concentration, overall, industry concentration still needs to be improved. 3. Dragging along, constantly gathering the storm - 'You Sing My Debut'   There are so-called bankruptcies every year, especially this year. Affected by the industry environment, the industry situation this year is more severe than in previous years, resulting in many shortages   Small and medium-sized LED enterprises lacking core competitiveness have collapsed one after another. Failed enterprises can usually be divided into two categories: one is enterprises with homogeneous products and shoddy manufacturing, and the other is enterprises with blind expansion and broken capital chains.   Compared to 2014, there was an increasing trend of malfunctions in the LED display industry in 2015. Based on the current industry situation, the wave of reshuffling will continue. With the continuous promotion of reshuffling, industry resources will tilt towards technology and scale advantage enterprises, and the Matthew effect of the LED display industry will be further strengthened in the future.   4. Overcapacity, bottoming out prices, and increasing corporate income do not necessarily increase profits   After years of rapid development, China's LED display industry has encountered a serious problem of disorder, namely the surplus of homogeneous products of medium and low-end. With product homogenization and overcapacity, vicious competition dominated by low prices is bound to erupt.   Whether actively engaging in price wars or being forced to engage in price wars, the profits of enterprises will inevitably shrink. It is not surprising that companies do not increase profits when product prices bottom out.   Overall, with the advancement of technology and the emergence of economies of scale, product prices are bound to decline, which is caused by technological and scale advantages and cannot be confused with vicious price wars.   5. Low innovation awareness   The trend of "shanzhai" is prevalent in the LED display industry, with some companies sticking to their own ways and not thinking ahead. The phenomenon of "shanzhai" is particularly serious. Companies that imitate whatever is popular in the market may thrive for a while, but they are definitely those that persist in innovation and research and development.   At present, the situation in the LCD display industry is severe. To gain an advantage in the fierce market competition, enterprises must enhance their core competitiveness, and the source of core competitiveness is undoubtedly closely related to innovation. Innovation can only lead development when poverty is changed, change is meaningful, and universal principles are sustainable.

Generally speaking, OLED technology can be divided into active driving backplane (AMOLED), passive driving backplane (PMOLED), and integrated driving backplane (silicon-based OLED) according to different backplane driving methods. Among them, AMOLED displays have better quality and faster response speed, mainly targeting medium to large-sized displays with large production scales, including smartphone screens, tablet screens, and televisions. PMOLED has the characteristics of high brightness and low production cost, so it is mostly used in diversified customized product markets, mainly focusing on small and medium-sized display screens, such as medical and health, home applications, consumer electronics, car industrial control, security products, etc. Silicon based OLED is a cutting-edge display technology with high resolution and small size. It is applied to micro display panels, suitable for near eye display scenes, and can be used in electronic viewfinders, head mounted displays, etc. The specific comparison of the three technologies is as follows:     AMOLED technology uses independent thin-film transistor circuits to control each pixel, and through bonded external driver ICs, achieves continuous and independent pixel emission. AMOLED adopts an active driving method, with no duty cycle problem, and is not limited by the number of scanning electrodes, making it easy to achieve high-resolution, wide color gamut, and flexible display. The evaporation and packaging processes in AMOLED technology are complex, and the overall production cost is high, requiring large-scale investment. The main downstream application areas of AMOLED include mobile phones, wearable devices, car displays, laptops, televisions, etc.   PMOLED technology uses a matrix structure consisting of cathode and anode, where a horizontal group of display pixels share the same electrode and a vertical group of display pixels share another electrode with the same property. With the help of a bonded external driver IC, the pixels in the array are illuminated row by row or column by column in a scanning manner, and each pixel instantly emits high brightness light in short pulse mode. The production process of PMOLED technology is mature and can effectively reduce manufacturing costs. Currently, product sizes are within 5 inches, mostly concentrated in 3 inches and below. The main application areas of PMOLED include medical and health, home applications, consumer electronics, automotive industrial control, wearable products, security products, etc.   Silicon based OLED displays are made by integrating OLED devices onto single crystal silicon integrated circuit chips that have integrated video signal processing and pixel driver arrays. Unlike PMOLED and AMOLED display panels, which do not require external display driver chips through bonding links, the driving functions are integrated onto the silicon-based back board, thereby saving a lot of space. In addition to the general excellent characteristics of OLED devices, silicon-based OLEDs also have features such as small size, light weight, high resolution, and high contrast. Due to its complex process and high production cost, silicon-based OLEDs are currently mainly used in near eye display systems such as electronic viewfinders and head mounted display devices.