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G02F 1/137 (2006.01) G02F 1/13 (2006.01) G02F 1/1335 (2006.01) G02F 1/1347 (2006.01) G03B 21/132 (2006.01)
Patent
CA 1278080
PROJECTION-TYPE MULTI-COLOR LIQUID CRYSTAL DISPLAY DEVICE ABSTRACT OF THE DISCLOSURE A bright and large information capacity projection- type multi-color liquid crystal display can be realized by a display device comprising a liquid crystal panel having a plurality of layers of cholesteric-nematic phase transition type liquid crystals having a positive dielectric anisotropy and phase transition hysterisis when a voltage is applied. The liquid crystals are driven to be in homeotropic and forcalconic textures which are maintained when at a certain voltage is applied thereto. A desired color of the projected display can be obtained by selecting a thickness of the liquid crystal layer and a refractive index anisotropy of the liquid crystal of the liquid crystal layers.
544780
Iwasaki Masayuki
Mochizuki Akihiro
Onda Fumiyo
Yamagishi Yasuo
Yoshihara Toshiaki
Fujitsu Limited
Mcfadden Fincham
LandOfFree
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