Reflective liquid crystal display device

Details Reflective liquid crystal display device Reflective liquid crystal display device

1996-04-02

1998-11-24

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 63, 349 73, 349 70, 349 40, 349 41, 349 85, 349117, G02F 11333, G02F 1136, G02F 11335, G02F 1133

Patent

active

058414967

ABSTRACT:
A reflective liquid crystal display device has a liquid crystal cell formed by laminating upper and lower orientation layers 11 and 21, upper and lower electrodes 14 and 24, upper and lower substrates 12 and 22, and upper and lower polarizers 13 and 23 arranged in order above and below a liquid crystal layer 10 so that they may face their counterparts respectively. The liquid crystal cell is provided with viewing angle dependence so that the light transmission ratio of the dark display section to the bright display section for the light incident at the required angle may be less than 2 at the required azimuth angle of the liquid crystal cell, and the direction of the required azimuth angle is aligned with the direction of the main light source incident into the liquid crystal cell.

REFERENCES:
patent: 4508428 (1985-04-01), Harada
patent: 5121235 (1992-06-01), Matino et al.
patent: 5128787 (1992-07-01), Blonder
patent: 5206633 (1993-04-01), Zalph
patent: 5291322 (1994-03-01), Itoh et al.
patent: 5440413 (1995-08-01), Kikuchi et al.
patent: 5523867 (1996-06-01), Akatsuka et al.

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