Liquid crystal compensator satisfying nx>nz>ny having ny a

Details Liquid crystal compensator satisfying nx>nz>ny having ny a Liquid crystal compensator satisfying nx>nz>ny having ny a

1994-10-20

1996-09-24

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 63, G02F 11335, G02F 1133

Patent

active

055596185

ABSTRACT:
Disclosed is an optical compensatory sheet which has nx, ny and nz satisfying the condition of nx>nz>ny wherein nx, ny and nz represent main refractictive indices, and wherein the direction of nx is on the plane of the sheet, the direction of ny is inclined from the plane of the sheet and the direction of nz is inclined from the normal of the sheet, the directions of ny and nz crossing each other at a right angle, and a liquid crystal display provided with the optical compensatory sheet.

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Patent Abstracts of Japan, vol. 17, No. 553 (P-1625) 5 Oct. 1993 & JP-A-05 157 913 (Seiko Epson) 25 Jun. 1993.
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Patent Abstracts of Japan, vol. 16, No. 377 (P-1401) 12 Aug. 1992 & JP-A-04 120 512 (Asahi) 21 Apr. 1992.
Patent Abstracts of Japan, vol. 17, No. 416 (P-1584) 3 Aug. 1993 & JP-A-05 080 323 (NEC) 2 Apr. 1993.

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