Field sequential Pi cell LCD with compensator

Details Field sequential Pi cell LCD with compensator Field sequential Pi cell LCD with compensator

1997-09-11

2000-08-22

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

349117, G02F 11335

Patent

active

061080586

ABSTRACT:
The object of this invention is to provide a liquid crystal display that is able to realize a sequential color illumination method, i.e. that can advantageously achieve a high resolution full color display with no need of any color filters. For the purpose of attaining the object above, this invention provides a liquid crystal display characterized by being provided with a display panel in which a phase compensation plate is disposed in front of a bend oriented liquid crystal cell with a cell gap of 7 .mu.m, said cell and phase compensation plate being inserted between two cross polarizers between a TFT active matrix driving each image element by dividing said display panel into elements in a matrix array, and a surface light source sequentially illuminating three color lights of red, green and blue on the rear fare of the display panel.

REFERENCES:
patent: 4611889 (1986-09-01), Buzak
patent: 4635051 (1987-01-01), Bos
patent: 5337068 (1994-08-01), Stewart et al.
patent: 5387920 (1995-02-01), Bos et al.

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