Liquid crystal display device with dielectric anisotropy

Details Liquid crystal display device with dielectric anisotropy Liquid crystal display device with dielectric anisotropy

1989-08-29

1991-10-15

Mintel, William

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 93, 359 92, 359 94, G02F 113

Patent

active

050568965

ABSTRACT:
Disclosed herein is a liquid crystal display device comprising (1) a liquid crystal cell wherein a liquid crystal layer comprising a liquid crystal component having positive dielectric anisotropy is sandwiched between a pair of substrates having at least one electrode, (2) a pair of polarizers arranged to sandwich the liquid crystal layer therebetween and (3) a birefringence layer provided between the liquid crystal layer and the polarizer on at least one side of the liquid crystal layer, wherein the angle formed between the maximum refractive index direction in the birefringence layer face and the direction of transmission axis or absorption axis of polarizer adjacent to the birefringence layer is not more than 5.degree..

REFERENCES:
patent: 4497542 (1985-02-01), Kaye
patent: 4653861 (1987-03-01), Kando et al.
patent: 4701028 (1987-10-01), Clerc et al.
patent: 4759612 (1988-07-01), Nakatsuka et al.
patent: 4813770 (1989-03-01), Clerc et al.
patent: 4844569 (1989-07-01), Wada et al.
patent: 4852976 (1989-08-01), Suzuki
patent: 4889412 (1989-12-01), Clerc et al.

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