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>> LCD display features 24th,Oct,2018
The lcd display is also called the liquid crystal display. The English abbreviation is the LCD full name Liquid Crystal Display, which is a kind of flat display. Screen display for TVs and computers. The advantages of the lcd display are low power consumption, small size, and low radiation. The lcd liquid crystal display uses two electrodes to contain a three-layer structure of liquid crystal molecular solution, so that when the current passes through the liquid, the molecules are rearranged for imaging purposes. The lcd display uses two sheets of polarized material with a liquid solution between them. When the current passes through the liquid, the molecules are rearranged so that light cannot pass through them. Therefore, liquid crystal molecules allow both light to pass through and block light. At present, liquid crystal display (LCD) products are moving toward light, thin, short and small targets.
What is the traditional display mode of LCD display, such as CRT image tube display and LED display board, etc., are subject to factors such as high volume and power consumption, and can not meet the actual needs. The development of liquid crystal display technology is in line with the current trend of information products. LCD LCD display has the advantages of right angle display, low power consumption, small size, zero radiation, etc., so that users have the best visual environment.
At present, liquid crystal display technology is mainly divided into three technologies: TN, STN, and TFT. The TN type liquid crystal display technology is the most basic technology of liquid crystal display, and then other types of liquid crystal display can be said to be improved by using the TN type as the origin. The TFT type liquid crystal display is relatively complicated, and the main components include a fluorescent tube, a light guide plate, a polarizing plate, a filter plate, a glass liquid crystal display glass substrate, an alignment film, a liquid crystal material, a thin mode transistor, and the like.
1. The resolution of the LCD display can be very high. Generally, the ppi (pixels per inch) of the mobile phone can reach more than 300.
2. The LCD has more gray levels and can display a wider range of colors.
3, the display quality is high: because each point of the LCD screen keeps that color and brightness after receiving the signal, constant illumination, unlike the cathode ray tube display (CRT) needs to constantly refresh the highlights. Therefore, the liquid crystal display has high image quality and will never flicker, which minimizes eye strain.
LCD display features
4. There is no electromagnetic radiation: the display material of the traditional display screen is a phosphor, which is displayed by the electron beam striking the phosphor. The electron beam will generate strong electromagnetic radiation in the moment when it hits the phosphor, although there are many display products at present. In the treatment of radiation problems, more effective treatments have been carried out to minimize the amount of radiation, but it is difficult to eliminate them completely. Relatively speaking, the LCD screen has an inherent advantage in preventing radiation because it does not have radiation at all. In terms of electromagnetic wave prevention, the liquid crystal display also has its own unique advantages. It uses a strict sealing technology to enclose a small amount of electromagnetic waves from the driving circuit in the display screen. In order to dissipate heat, the ordinary display must be as internal as possible. The circuit is in contact with the air, so that the electromagnetic waves generated by the internal circuit are "leaky" to a large extent.
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