What are the mistakes of liquid crystal display wiping

The surface of LCD screen is much more fragile than ordinary CRT display, so it’s better to choose special screen cleaning cloth. This kind of screen wiping cloth has good water absorption and good dust absorption, dust can be easily absorbed on the cloth, and it will not stick to the screen again in repeated […]

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What are the taboos of LCD

The taboo aspects of LCD (including various LCD devices) can be divided into five parts The first taboo: water invasion Water is the first natural enemy of liquid crystal. The destructive power of water to LCD is amazing. Therefore, the LCD should be used in a relatively dry environment to prevent moisture from entering the […]

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The solution of LCD font virtual

Font blurring is also a common problem of LCD. The so-called font blurring problem is that when we use LCD, the font feels like a shadow, which is not as sharp as the normal font. In fact, in most cases, the font is empty because of the user’s own settings. To solve the problem of […]

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Common faults of LCD

1. The whole display is dead This is a relatively simple fault. Generally, there are two kinds of power supply inside the LCD extension and outside the equipment, and the power supply outside the equipment is more common. No matter what kind of power supply, its structure is much simpler than the power supply of […]

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How to choose LCD of medical equipment

1. Digital tube (LED display) It can only display digital results, but not waveform information. It has simple function and was used in early single parameter monitor. 2. CRT display This is a very common display. Its advantages are high resolution and low price, but its disadvantages are large volume, not easy to miniaturize, high […]

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How to clean TFT LCD

Methods of cleaning TFT LCD After using TFT LCD for a period of time, you will find that there is a layer of dust adsorbed on the display screen (it is more obvious when you turn off the LCD, and sometimes you will accidentally stick various water stains, which will greatly affect the visual effect. […]

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Common panel of LCD

The panel type is related to the LCD response time, color, viewing angle, contrast and other important factors. There are three common types of LCD panels: TN (twisted nematic), IPS (in plane switching) and VA (vertical alignment). TN screen: fast response time is the advantage TN screen is a common soft screen, which can press […]

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LCD common faults and maintenance

1、 Fault and maintenance white screen The white screen is caused by the normal backlight and the screen does not receive the signal from the main board correctly, which indicates that the high-voltage part is good. The white screen is caused by the t-con board on the upper part of the LCD stop working or […]

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Working principle analysis of LCD driver IC

The driving IC is actually a set of integrated circuit chip device, which is used to adjust and control the phase, peak value and frequency of the potential signal on the transparent electrode, establish the driving electric field, and finally realize the information display of liquid crystal. In the liquid crystal panel, the active matrix […]

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What are the characteristics of TFT LCD

TFT LCD is characterized by good brightness, high contrast, strong sense of hierarchy and bright color, but it also has the disadvantages of high power consumption and high cost. TFT LCD technology accelerates the development of mobile phone color screen. Many of the new generation of color screen mobile phones support 65536 color display, and […]

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