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1. Power supply problem Power supply problems are one of the common reasons why the LCD screen does not display. The power cord may be loose or damaged, preventing power from being supplied to the screen properly. The power board or power line may be faulty, causing the power supply to fail to output the correct voltage to the LCD screen. The solution to this problem is to check that the power cord is tightly connected, replace the damaged cord, or have a professional repair the power board or ...
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TFT LCD (Thin-Film Transistor Liquid Crystal Display) is a type of liquid crystal display technology. Due to its high resolution, low power consumption and reliability, TFT LCD is widely used in many fields. Here are some major application areas and corresponding performance requirements:   Application fields   1. Personal computers and notebooks: used to display images, text and videos.   2. Mobile phones and tablets: TFT LCDs are also widely used in highly portable mobile ...
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1. Color distortion After the LCD screen is aging, the phenomenon of color distortion often occurs. This is because the backlight of the LCD screen and the aging of the liquid crystal layer cause color shift and distortion. The aging LCD screen will appear yellowish, bluish or reddish in color, which greatly reduces the display effect of the image. Aging LCD screens are also prone to color unevenness, causing certain areas to be noticeably darker or lighter. 2. Brightness drops After the LCD ...
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The main features of IPS LCD screen: 1. Fast response; 2. In terms of the size of the LCD screen, IPS has obvious advantages compared with the old LCD screen. For the same size LCD screen, the screen area using IPS technology is larger; 3. The IPS LCD has a large viewing angle, and the viewing angle can reach 178 degrees. The degree of color change caused by viewing from the front and from different angles is called the color distortion rate. The results show that the value obtained by the IP...
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LCD screen is a common display device in modern electronic products, and its response speed is crucial to user experience. Sometimes we may encounter the situation that the response speed of the LCD screen becomes slow, which brings troubles to our use. This article will discuss how to increase the refresh rate of a 0.96-inch LCD screen to improve its response speed and provide a better user experience. How to improve the refresh rate when the response speed of the 0.96-inch LCD screen becomes ...
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How to judge and detect the power supply voltage of the LCD screen, the power supply voltage of the LCD screen is the basis for its normal operation, and has an important impact on the display effect and the life of the device. Correctly judging and maintaining the power supply voltage of the LCD screen is the key to ensuring its normal operation and prolonging its service life. 1. Voltage measurement tool Before judging the power supply voltage of the LCD screen, we need to prepare some volta...
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To put it simply, the industrial touch screen can be directly clicked, which is convenient and quick. It is the tactile feedback function in the touch screen system of the industrial touch LCD display. Liquid crystal display is a flat and ultra-thin display device, which is composed of a certain number of color or black and white pixels, placed in front of the light source or reflective surface. The following is a brief introduction. The difference between industrial touch screen and LCD displa...
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Although the names of the LCD screen and the ordinary LCD screen are very similar, and it is difficult to distinguish the difference with the naked eye, there are still certain differences between them.   Difference 1: production principle The production principles of LCD screens and LCD screens are different. The LCD screen is made of liquid crystal material, and the liquid crystal molecules inside it will change the alignment direction with the change of the electric field, thereby con...
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LCD screens are now widely used in various fields, covering every corner of our daily life. As we all know, some LCD screens are large in size, such as tablet computers, household appliances, etc., and some are relatively small in size, such as handheld devices, smart wearables, etc.   1. Industrial handheld devices: such as infrared ranging, infrared thermal imager, temperature measurement, noise measurement, etc., the size of the LCD screen is between 2.0 inches and 5.0 inches. This typ...
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Although the oled screen and the lcd screen are both the same screen, the OLED screen and the lcd screen are two completely different screens. Now the mainstream screen types, whether for industrial use or mobile computer screens, mainly include lcd screen and oled screen. .   First, the working principle of the LCD screen is different from that of the OLED screen.   The LCD screen needs a backlight layer, a vertical polarizer, a positive circuit, a liquid crystal layer, a negative...
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