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The International Commission on Illumination (CIE) was determined from a sample of the population range of colors that the human eye can discern and distinguish. Most devices refund (monitors, printers) are far from being able to reproduce this entire range of colors. The LCDs have made great strides in the quality of colors and their [...]

The screen LCD consists of two polarizes whose polarization directions make an angle of 90 ° on either side of a sandwich consisting of two sheets of glass enclosing the liquid crystals. At each interface with the LCD, a layer of polymer, typically a polyimide, grooved ensures the anchoring of molecules at rest. The two [...]