Liquid crystal display with patterned retardation films

Details Liquid crystal display with patterned retardation films Liquid crystal display with patterned retardation films

G - Physics

02

F

G02F 1/1335 (2006.01) G02B 5/20 (2006.01) G02B 5/22 (2006.01) G02F 1/13363 (2006.01) G02F 1/135 (2006.01) G02F 1/137 (2006.01)

Patent

CA 2137044

A multi-colored pixel for a twisted nematic liquid crystal display including red, green, and blue subpixels, wherein each subpixel includes a pair of substrates, a pair of polarizers, opposing electrodes, and a color personalized retardation film which compensates for the different wavelength of each color. The personalized retardation films of the different color subpixels results in elimination of the multi-gap approach and substantially eliminates the problem of different color leakages at different viewing angles, including normal. Also, one polymer based element, preferably a polyimide, functions as both a color filter and a retardation film in certain embodiments of this invention.

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