Liquid Crystal Display (LCD)

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Liquid Crystal Display (LCD)

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asked Jan 7, 2018 by anonymous

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Liquid Crystal Display (LCD)

LCD stands for Liquid Crystal Display.
It is a flat panel electronic display device which uses light modulating properties of liquid crystal.
LCD are raster format display.
LCD is made from electronic circuit, mirror, liquid crystal layer, positive and negative electrodes, polarizing films, TFT glass, glass cover etc.
TFT (thin film transistor) glass consists of many TFT’s.
LCD consists of large number of small pixels.
Pixels are in between two electrodes one is positive and second is negative electrode.
When no voltage is applied then liquid crystals are in random form or twisted form and when voltage is applied then they come in strengthen form.
Each pixel is consist of 3 colour i.e. red, green and blue (RGB).
Many pixels form a object using different intensities of colour of RGB.
LCD are use for computer monitor, television, watches, mobile phone, and other display devices.
LCD uses polarization of light and electric field to display objects.
There are two types of LCD one is active pixel display and second is passive pixel display.
Active pixel display consists of switch at each pixel and passive pixel display do not consist of switch at each pixel.

answered Jan 7, 2018 by anonymous

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asked Jan 28 by anonymous

Liquid Crystal Display (LCD)

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