Liquid crystal display including a dye complementary to the liqu

Details Liquid crystal display including a dye complementary to the liqu Liquid crystal display including a dye complementary to the liqu

1988-10-27

1992-07-14

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 98, 359102, G02F 1137, G02F 113

Patent

active

051308347

ABSTRACT:
A liquid crystal display includes a pair of substrates and a liquid crystal composition sealed between the substrates. The liquid crystal composition has a twist angle set within a range of 180-300 degrees and a retardation set within a range of 0.45-0.7 .mu.m wherein when an electric field is applied, the liquid crystal display is in a dark state, while when the electrid field is not applied, the liquid crystal display is in a bright state. A dichromatic coloring matter is contained in the liquid crystal composition, and it has a hue complementary to that of an image color of the liquid-crystal display in the bright state.

REFERENCES:
patent: 4541693 (1985-09-01), Knoll et al.
patent: 4609255 (1986-09-01), Leenhouts et al.
patent: 4664482 (1987-05-01), Kando et al.
patent: 4930877 (1990-06-01), Kano et al.
"Electro-optical performance of a new, black-white and highly multiplexable liquid crystal display" (Appl. Phys. Lett. 50(5), Feb. 2, 1987).

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