Liquid crystal dazzle-free reflection mirror

Details Liquid crystal dazzle-free reflection mirror Liquid crystal dazzle-free reflection mirror

1985-08-06

1987-06-09

Corbin, John K.

350278, 350338, 350349, 350357, G02F 113, G02F 101, G02B 1700

Patent

active

046716173

ABSTRACT:
A liquid crystal type dazzle-free reflection mirror has a scattering type liquid crystal cell such as DSM liquid crystal switching the orientation of the liquid crystal molecular axis thereof between a random orientation and a regular orientation depending on an electric field applied thereto. At least one coloring filter cell such as guest-host liquid crystal provided at a front side of the scattering type liquid crystal cell to which light is incident and switching, depending on an electric field applied thereto, between two light transmitting states in which white light is transmitted and specific color light is transmitted more, respectively. A reflection mirror layer reflecting the light transmitted through the scattering type liquid crystal cell and the coloring filter cell is provided behind the scattering type liquid crystal cell so that a reflection image may be provided on the mirror surface.

REFERENCES:
patent: 3280701 (1961-09-01), Donnely
patent: 3967881 (1976-07-01), Moriyama
patent: 4274713 (1981-06-01), Krueger
patent: 4491390 (1985-01-01), Tong-Shen

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