Polarizing sheet and liquid crystal display

Details Polarizing sheet and liquid crystal display Polarizing sheet and liquid crystal display

1996-10-02

1998-05-19

Wu, Shean C.

Compositions

Liquid crystal compositions

2522995, 349 96, 428 1, C09K 1952, G02F 113

Patent

active

057531404

ABSTRACT:
A polarizing sheet comprises a polarizing film interposed between a pair of protective films. The protective film comprises a cellulose ester of a lower fatty acid. The protective film has such heat moisture resistance that shrinkage ratio of the film in area is less than 10% after the film is left at 85.degree. C. and 90% RH for 500 hours. Further, the protective film has an equilibrium moisture content of less than 2.5 wt. % at 25.degree. C. and 65% RH. A liquid crystal display having the polarizing sheet is also disclosed.

REFERENCES:
patent: 3970362 (1976-07-01), Laliberte

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