Flat panel display containing black matrix polymer

Details Flat panel display containing black matrix polymer Flat panel display containing black matrix polymer

Filed on

1995-06-06

Date issued

1997-04-08

Examiner

Sikes, William L.

Patent Class

Liquid crystal cells, elements and systems

SubClass

Particular structure

SubSubClass

Having significant detail of cell structure only

Other Related Categories

G02F 11335

Type

Patent

Status

active

Patent number

056193572

Description

ABSTRACT:
A thin film transistor display that comprises a black matrix polymer layer, comprising a polymer having an optical density of at least about 0.8 per .mu.m and being self-absorbent of visible light and being selected from the group consisting of substituted and unsubstituted polyanilines, substituted and unsubstituted polyparaphenylenevinylenes, substituted and unsubstituted polythiophenes, substituted and unsubstituted polyazines, substituted and unsubstituted polyparaphenylenes, substituted and unsubstituted polyfuranes, substituted and unsubstituted polypyrroles, substituted and unsubstituted polyselenophene, substituted and unsubstituted poly-p-phenylene sulfides and substituted and unsubstituted polyacetylenes, and mixtures thereof, and copolymers thereof. The layer also comprises one or more pigments. The resistivity of the black matrix composite is 10E12 to 10E14 ohm cm.

REFERENCES:
patent: 4812387 (1989-03-01), Suzuki et al.
patent: 4837097 (1989-06-01), Narang et al.
patent: 5028481 (1991-07-01), Stramel
patent: 5121237 (1992-06-01), Ikeda et al.
patent: 5155777 (1992-10-01), Angelopoulos et al.
patent: 5202061 (1993-04-01), Angelopoulos et al.
patent: 5368991 (1994-11-01), Uchikawa et al.
patent: 5397863 (1995-03-01), Afzali-Ardakani et al.
33946 Polyaniline as a High Temperature Dye for Use as an Anti-Reflectivity Coat. Published in Research Disclosure, Jul. 1992, No. 339, Kenneth Mason Publications Ltd, England.

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