Device with a scatter-free light valve

Details Device with a scatter-free light valve Device with a scatter-free light valve

1978-07-26

1981-06-23

Bauer, Edward S.

350331R, 350349, G02F 1133

Patent

active

042747139

ABSTRACT:
A device with a scatter-free light valve which may be used as a rear view mirror or a sun visor and is characterized by a pair of carrier plates extending parallel to each other to form a cell having a cavity with transparent conductive coatings facing the cavity which receives a layer that can be switched between different optical states, and a light sensitive element, which is electrically connected to the light valve to constantly change the light transmittance of the light valve in response to the intensity of light radiation sensed by the light sensitive element.

REFERENCES:
patent: 3694053 (1972-09-01), Kahn
patent: 3837730 (1974-09-01), Hatfield et al.
patent: 3912369 (1975-10-01), Kashnow
patent: 3961181 (1976-06-01), Golden
patent: 4025161 (1977-05-01), La Roche
patent: 4088392 (1978-05-01), Meyers
patent: 4093356 (1978-06-01), Bigelow

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