LCD display technology, the full name of which is Liquid Crystal Display, is a technology that uses the optical properties of liquid crystal materials to change the transmittance of light by controlling the electric field to achieve image display. The following is a detailed explanation of the working principle of LCD display technology: The structure of LCD display The LCD display is mainly composed of polarizers, liquid crystal layers, electrodes and backlight modules. The liquid crystal layer is located between two parallel glass substrates, on which there are many vertical and horizontal fine wires, which are used to control the arrangement direction of liquid crystal molecules by whether they are powered on or not. The working principle of LCD display The arrangement of liquid crystal molecules: In the natural state, liquid crystal molecules are long rods with their long axes roughly parallel. When liquid crystal is poured between two planes with fine grooves, the grooves on the two planes are perpendicular to each […]
2024-11-20
When choosing a TFT LCD display interface, you need to consider multiple factors, including the size, resolution, transmission speed, cost, compatibility, and application scenarios of the display. Here are some specific selection suggestions: Consider the size and resolution of the display Small-size display: Usually refers to a display below 3.5 inches with relatively low resolution. You can choose low-speed serial interfaces such as RGB, MCU, SPI, etc., which perform well at resolutions below 720P. Medium-size display: The size is between 3.5 inches and 10.1 inches, with a higher resolution. You can choose interfaces such as MIPI, LVDS, and EDP. The MIPI interface is more commonly used in vertical screens, the LVDS interface is more commonly used in horizontal screens, and the EDP interface is often used for high-resolution displays. Large-size display: Usually refers to a display above 10 inches. You can choose standard interfaces such as HDMI and VGA, which are easy and quick to use and can be used directly without conversion. Consider […]
2024-11-14
Choosing the right TFT LCD display requires a combination of factors to ensure that the selected screen can meet specific application needs and performance requirements. Here are some key steps and considerations: Clarify application requirements Usage environment: Determine the environment in which the display will be used, such as indoors, outdoors, in strong light environments or dim environments. This will directly affect the requirements for characteristics such as brightness, contrast, and anti-glare. Display content: Understand the type of content that needs to be displayed, such as text, images, videos, etc. This will help determine the required resolution, color performance, and response time. Interaction requirements: If the device requires touch screen functionality, consider the type of touch screen (such as capacitive, resistive, etc.) and sensitivity. Choose the appropriate size and resolution Screen size: Choose the appropriate screen size based on application requirements. For example, for portable devices, a smaller screen size may be more appropriate; for large display devices, a larger screen size is required. […]
2024-11-13
IPS (In-Plane Switching) screens and LCD (Liquid Crystal Display) screens are two different display technologies, each with unique features and advantages. Features and advantages of IPS screens Wide viewing angle: IPS screens have a wide viewing angle range, usually up to 178 degrees or close to 180 degrees. When viewing the screen from all angles, the color and brightness performance are relatively good, and there will be no obvious color distortion or uneven brightness when the viewing angle changes greatly. High color accuracy: IPS screens can present more realistic colors and details, have a high color gamut, and can reproduce a wider range of colors. They are suitable for professional fields with high color requirements, such as photography, design, and video production. Good contrast: IPS screens have relatively good contrast, which can produce deeper blacks and brighter whites, making the picture more layered. Fast response speed: Although the response speed of IPS screens is generally not as fast as some high-end LCD screens, it […]
2024-11-06
Changing the MIPI interface of the LCD screen to the QSPI interface involves a signal conversion process, which is usually not achieved by simply replacing the interface or connecting wires, but requires a special signal conversion method, device or control chip. The following are some recommended steps and precautions: Understand the interface characteristics MIPI interface: MIPI (Mobile Industry Processor Interface) is the abbreviation of the mobile industry processor interface and is an open standard developed by the MIPI Alliance for mobile application processors. The MIPI interface has the characteristics of high speed, low power consumption and scalability, and is widely used in LCD screens and other fields. QSPI interface: QSPI (Queued SPI) is an extension of the SPI interface launched by Motorola. It has a queue transmission mechanism and supports higher data transmission rates and a wider range of application scenarios. The QSPI interface is usually used to connect SPI FLASH memories with single, dual or quad data lines. Signal conversion method Use a […]
2024-10-29
Blanview lcd technology - Blanview lcd technology is its ultra-low power consumption: approximately 40% to 60% power savings compared to conventional transmissive displays. Transflective lcd technology - Transflective lcd technology has both the excellent reading performance of the reflective screen in outdoor sunlight and the excellent reading performance of the transmissive screen in irrelevant and low-light environments with backlight illumination. Reflective lcd technology - MIP (reflective screen) LCD features: ambient light and sunlight are used as light sources. Advantages: still clear under strong light, the stronger the light, the clearer the screen, and the backlight is turned on only when the light is insufficient to save power and reduce power consumption. Disadvantages are the colors are not bright enough and need to be supplemented by UI design. High brightness lcd - High brightness lcd is to increases the brightness of LED backlights on TFT LCD displays to overpower bright sunlight and eliminate glare. When it increases to about 800 to 1000 (1000 is the most […]
2024-10-23
The working principle of TFT LCD (Thin Film Transistor Liquid Crystal Display) is to control the display of each pixel on the screen based on thin film transistor technology. The following is a detailed analysis of its working principle: Basic structure The basic structure of TFT LCD display includes: Backlight module: As a light source provider, it is usually composed of LED lamp tubes, reflectors, light guide plates, diffusers and prisms. These components work together to evenly distribute light behind the LCD screen and provide basic lighting for image display. Liquid crystal module: It is composed of a layer of liquid crystal material sandwiched between two glass substrates. Liquid crystal molecules can change their arrangement direction under the action of electric field, thereby controlling the degree of light transmission. Color filter: Located in front of the liquid crystal module, it is used to filter white light into red, green and blue primary colors to provide rich colors for the image. Polarizer: It is […]
2024-10-21
The bar display screen used in cars needs to have the following characteristics: High brightness and high definition High brightness: The driving environment of cars is complex, including outdoor strong light, tunnel dark light and other lighting conditions, so the bar display screen needs to have high brightness to ensure that information can be clearly displayed under various lighting conditions. High definition: High-definition display screens can provide more delicate and realistic images and texts, enhancing the driver's visual experience. High reliability and stability Adapt to harsh environments: Cars may encounter various harsh environments such as high temperature, low temperature, humidity, vibration, etc. during driving. Bar displays need to have high reliability and stability to ensure that they can still work normally in these environments. Long life: Car displays usually need to run for a long time, so they need to have a long service life to reduce replacement frequency and maintenance costs. Energy saving and environmental protection Low power consumption: Energy-saving performance is crucial […]
2024-10-14
OLED (organic light-emitting diode) and AMOLED (active matrix organic light-emitting diode) are two different display technologies, each with its own advantages. Which one is better depends on the specific application scenario and user needs. Advantages of OLED Low power consumption: OLED screens have the characteristics of self-luminescence, that is, each pixel can emit light independently, without the need for a backlight, so it consumes almost no power when displaying black or dark colors, making the overall power consumption low. Wide viewing angle: The viewing angle range of OLED screens is very wide, generally up to about 170 degrees, so that the color and brightness can be consistent when viewing the screen at different angles. Fast response speed: The response speed of OLED screens is very fast, with a response time of only microseconds, which is suitable for displaying dynamic images and high-speed videos. Thin and light: OLED screens are made of organic materials, which are lighter and thinner than traditional LCD screens, making them […]
2024-10-10
Silicon-based OLED screen, also known as Micro OLED or OLEDoS, is a new display technology that combines semiconductor process technology and OLED technology. It uses single-crystal silicon wafers as the substrate to prepare OLED devices, has many advantages, and has been widely used in many fields. The following is a detailed analysis of the wide application of silicon-based OLED screens: 1.Military use The application of silicon-based OLED microdisplays in the military field is mainly reflected in three aspects: aiming, observation system, helmet system and simulation training system. Specifically: Each set of infrared thermal imagers, guns and artillery aiming systems requires 1~2 silicon-based OLED microdisplays. As a necessary information equipment for digital soldiers, the market size of helmet systems is expected to increase rapidly. Silicon-based OLED microdisplays can replace the currently widely used large-screen simulation training systems for simulation training. 2.Near-eye display devices Silicon-based OLED screens are one of the core components of near-eye display devices and are widely used in VR/AR, EVF and […]
2024-10-09
As an advanced display technology, the use conditions of silicon-based OLED screens involve many aspects, including physical environment, electrical characteristics, application scenarios, and compatibility with other components. The following is a detailed explanation of the use conditions of silicon-based OLED screens: Physical environment requirements Temperature range: Silicon-based OLED screens can usually operate in a wide temperature range. For example, some models of silicon-based OLED microdisplays can operate normally in a temperature range of -40℃ to 65℃ (reference article 3). This feature makes silicon-based OLED screens suitable for a variety of environments, including extreme temperature conditions. Humidity and dustproof: Although the silicon-based OLED screen itself has a certain degree of moisture and dust resistance, appropriate protection measures must still be taken in high humidity or dusty environments to ensure its long-term stable operation. Vibration and impact resistance: Since the silicon-based OLED screen uses single-crystal silicon as a substrate, it has a high mechanical strength and therefore has a certain degree of vibration and impact resistance. […]
2024-09-26
Different types of LCD displays LCD displays (Liquid Crystal Display) can be divided into many types according to their technical characteristics and application scenarios. Here are some of the main types of LCD displays: TN (Twisted Nematic) LCD display Features: relatively low price, fast response time, but small viewing angle and weak color expression. Application: commonly used in entry-level and mid-range monitors, laptop screens, etc. IPS (In-Plane Switching) LCD display Features: wide viewing angle (up to 178 degrees), accurate color, high color reproduction, and good contrast. Application: widely used in professional design, graphics processing, games, and fields that require high-quality color display. VA (Vertical Alignment) LCD display Features: high contrast, strong color expression, especially excellent black performance, but relatively slow response time. Application: commonly used in high-end TVs and computer monitors, especially suitable for watching movies and content with more dark scenes. TFT (Thin Film Transistor) LCD display Features: TFT is a major technology type of LCD, which controls the switching of liquid crystal […]
2024-09-19
TFT LCD displays and modules are an important part of electronic display technology. They combine thin film transistor (TFT) and liquid crystal display (LCD) technology to achieve high-quality image display. The following is a detailed explanation of TFT LCD displays and modules: TFT LCD Display 1.-Definition TFT LCD (Thin Film Transistor-Liquid Crystal Display) is a thin film transistor liquid crystal display, which is an active matrix liquid crystal display technology. It has a thin film transistor on each pixel to control the rotation of liquid crystal molecules to display images. Advantages High resolution: Since each pixel is controlled by an independent TFT, higher resolution can be achieved. High brightness: TFT LCD can provide higher brightness, making the image clearer and brighter. High contrast: By precisely controlling the rotation of liquid crystal molecules, TFT LCD can show higher contrast, making the image more layered. Bright colors: Support 16-bit true color display (65536 colors), natural color transition, and more vivid pictures. Application fields TFT LCD […]
2024-09-11
In the application scenarios of industrial display screens, LCD display screens and AMOLED display screens each have their own advantages and applicable situations, and it is impossible to generalize which one is better. The following is a detailed comparison of the two in industrial display screens: Advantages of LCD display screens Technology maturity and stability: LCD technology has been developed for decades, with high technology maturity, stable production process and reliable product quality. This enables LCD to operate stably for a long time in industrial environments and reduce failure rates. High durability: Industrial LCD screens usually use high temperature and vibration resistant materials to ensure that they can still work normally in harsh environments. This high durability makes LCD the first choice for many industrial application scenarios. Cost-effectiveness: Compared with AMOLED, LCD has a lower production cost, which makes LCD industrial display screens more competitive in price and suitable for cost-sensitive industrial applications. Wide viewing angle and color accuracy: Although the viewing angle range […]
2024-09-09
