Optical compensatory sheet

Details Optical compensatory sheet Optical compensatory sheet

1996-04-10

1997-05-20

Thomas, Alexander

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

428522, 359 76, 359 73, G02F 11335

Patent

active

056310510

ABSTRACT:
An optical compensatory sheet is composed of a transparent support, an orientation layer and an optically anisotropic layer. The orientation layer is a crosslinked polymer layer a surface of which has been subjected to rubbing treatment, and the optically anisotropic layer is made of a discotic liquid crystalline compound. A liquid crystal display is composed of a liquid crystal cell, a polarizing sheet arranged on each side of the cell, and the optical compensatory sheet provided between at least one side of the liquid crystal cell and the polarizing sheet. A color liquid crystal display has also the optical compensatory sheet.

REFERENCES:
patent: 5528400 (1996-06-01), Akarawa

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