Elliptically polarizing plate and liquid crystal display in whic

Details Elliptically polarizing plate and liquid crystal display in whic Elliptically polarizing plate and liquid crystal display in whic

1996-06-20

1998-08-11

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349117, 349118, G02F 11335

Patent

active

057934550

ABSTRACT:
Disclosed is an elliptically polarizing plate comprising a polarizing film and an optical compensatory sheet provided, in which the compensatory sheet has a direction of a minimum retardation inclined at 5 to 50 degrees from the normal of the sheet. A process for preparation of the elliptically polarizing plate, and a liquid crystal display provided with the elliptically polarizing plate are also disclosed.

REFERENCES:
patent: 4272694 (1981-06-01), Jacobs
patent: 4430650 (1984-02-01), Billard et al.
patent: 4678287 (1987-07-01), Buhrer
patent: 5189538 (1993-02-01), Arakawa
patent: 5245456 (1993-09-01), Yoshimi et al.
patent: 5326496 (1994-07-01), Iida et al.
patent: 5375006 (1994-12-01), Haas
patent: 5568290 (1996-10-01), Nakamura
Hecht, "Schaum's outline Series Theory and Problems of Optics", McGraw Hill Book Co., 1975, pp. 99-101.

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