Liquid-crystal display device

Details Liquid-crystal display device Liquid-crystal display device

1992-08-13

1993-05-11

Stoll, Robert L.

Optical: systems and elements

Optical computing without diffraction

25229901, 2522995, 359103, 359105, C09K 1954, G02F 113

Patent

active

052106306

ABSTRACT:
A liquid-crystal display device having a twisted nematic liquid-crystalline material is provided with a layer of an optically anisotropic material to obtain a colourless display device which is rich in contrast. The optically anisotropic material is a synthetic resin composition comprising a polymer network having a helicoidal order manufactured from a curable liquid-crystalline composition having a chiral dopant.

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patent: 4844569 (1989-07-01), Wada et al.
patent: 4913530 (1990-04-01), Ichimura et al.
patent: 4917471 (1990-04-01), Takao et al.

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