What does LCD display mean

Jun 14, 2021

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What does LCD display mean:


 


   LCD display is abbreviated as LCD in English, and its full name is Liquid Crystal Display. It is a type of flat-panel display used for the screen display of televisions and computers. The advantages of LCD displays are low power consumption, small size, and low radiation. The LCD display uses a liquid crystal solution in two pieces of polarized materials, and the crystals are rearranged to achieve the purpose of imaging when the current passes through the liquid.


 


LCD display




  The first feature of LCD is that it can work normally only if the liquid crystal is filled between two planes with fine grooves. The grooves on these two planes are perpendicular to each other (intersect at 90 degrees). Forced into a state of 90-degree twist. As the light travels along the direction of the molecular arrangement, the light is also twisted 90 degrees when passing through the liquid crystal. But when a voltage is applied to the liquid crystal, the molecules will be re-arranged vertically, so that the light can be directed out without any twisting.


 


The second characteristic of    LCD is that it relies on polarized filters and light itself. Natural light diverges randomly in all directions. Polarized filters are actually a series of increasingly thinner parallel lines. These lines form a net to block all the light that is not parallel to these lines. The line of the polarization filter is exactly perpendicular to the first one, so it can completely block the light that has been polarized. Only when the lines of the two filters are completely parallel, or the light itself has been twisted to match the second polarized filter, the light can penetrate.


 


The above content is an introduction to the meaning of the LCD display. The LCD display has very little radiation to the human body, the screen is soft and does not hurt the eyes, and it can protect our eyesight. The body is thin and saves space. Compared with the bulky CRT display, the LCD display only needs one-third of the space of the former, saves electricity, does not generate high temperature, and is a low power consumption product. If there is dust on the LCD display panel, you need to operate under the advice of professional maintenance personnel. Do not just find a rag or rough thing to wipe it. Improper operation can easily damage the display and cause damage to the LCD display panel. .


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