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The Basic Knowledge Of LCD Liquid Crystal Display
Mar 24, 2017

Liquid crystal display (LCD) is a kind of passive shows that it can't, can only use the light of the surrounding environment. It displays only small energy patterns or characters. Because of low power consumption and miniaturization make LCD better display mode.

Liquid crystal display using liquid crystal material is a kind of duality of both liquid and solid organic matter, its rod structure in the liquid crystal box generally parallel arrangement, but under the effect of electric field can change its direction.

For positive TN LCD, when no voltage to the electrodes, the LCD is in "OFF" state, light energy through the LCD show white state; When ON the electrodes and voltage LCD is in "ON" state, the liquid crystal molecules are arranged along the direction of the electric field along the long axis, light can't through LCD, were black. Selectively on the electrode voltage, can show different patterns.

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