Light control sheet and liquid crystal display device comprising

Details Light control sheet and liquid crystal display device comprising Light control sheet and liquid crystal display device comprising

1996-08-29

1998-06-16

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

359599, 430290, G02F 11335, G02B 502

Patent

active

057679355

ABSTRACT:
An optical filter for a liquid crystal display device, consisting of a polymer film which has two types of layers having different refractive index which exist alternately in a laminated state, in which a difference of refractive index between two types of layers is in the range between 0.01 and 0.1, an average thickness of each layer is at least 0.8 .mu.m and less than 2 .mu.m, and a thickness of the polymer film is in the range between 10 to 300 .mu.m, which filter can widen an angle of view of the liquid crystal display is greatly without the improvement of the liquid crystal cell, change of an addressing system or modification of the liquid crystal itself.

REFERENCES:
patent: 4929523 (1990-05-01), Kitayama et al.
patent: 5112722 (1992-05-01), Tsujino et al.
patent: 5157526 (1992-10-01), Kondo et al.
M. Honda et al., "A Novel Polymer Film that Controls Light Transmission", pp. 159-169. No Date Provided.

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