Liquid crystal display panel with a color layer having at least

Details Liquid crystal display panel with a color layer having at least Liquid crystal display panel with a color layer having at least

1993-09-17

1996-04-16

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 53, 359 68, 359 98, G02F 113, G02F 1133, G02F 11335

Patent

active

055088317

ABSTRACT:
A liquid crystal display panel has a liquid crystal layer arranged between a pair of glass plates and a color filter arranged on one of the plates. The color filter has two color regions within one picture element. The liquid crystal layer has first and second liquid crystal layers, each of the layers containing dichroic dyes. Many different colors can be produced by selectively combining the colors of the color filter and the colors of the liquid crystal layers. The first and second liquid crystal layers are arranged in a substantially close relationship with each other thereby to omit any intermediately located glass plate between the first and second liquid crystal layers.

REFERENCES:
patent: 4610507 (1986-09-01), Kamamori et al.
patent: 4877309 (1989-10-01), Takamatsu
patent: 4886343 (1989-12-01), Johnson
patent: 4953953 (1990-09-01), Fergason
patent: 5194973 (1993-03-01), Isogai et al.
patent: 5317431 (1994-05-01), Yoshida et al.

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