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LCD Monitor Works
Aug 25, 2016

Composition and working principle of LCD: LCD structure, whether it is a portable screen or Desktop LCD monitors, LCD screen is made up of different parts of the hierarchy. LCD monitor consists of two panels, 1mm thick, separated by containing liquid crystal material 5um evenly spaced. Because the liquid crystal material itself does not glow, so under the display are equipped with lamp as the light source, and in the back of the LCD screen has a backlight (or plate) and the reflective film, backlight consists of fluorescent substance, and can emit light, its main function is to provide uniform backlight.

Backlight light polarization filter and enters through the first layer contains thousands of liquid crystal droplets of the liquid crystal layer.

Droplets of liquid crystal layer is contained in tiny cell structure, one or more cells that form a pixel on the screen. Between the glass panels and liquid crystal materials are transparent electrode, the electrode is divided into rows and columns, on the intersection of a row and column, by changing the voltage changes the optical rotation of liquid crystal, liquid crystal material effect is similar to a small light valve.


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