Light-shader

Details Light-shader Light-shader

1985-08-23

1988-09-20

Corbin, John K.

350276SL, G02B 2700

Patent

active

047720964

ABSTRACT:
An inventive light-shader can prevent reduction of contrast ratio of views in a display, generation of moires and devastion of images in the views. The light-shader is made up of a light-shading film and a light-transmissive substrate plate. The film includes a plurality of opaque walls standing along its thickness and defining corresponding light-transmissive cells. The light-transmissive substrate plate has one surface attached to one surface of the film and the other surface microscopically rugged. The light-shader is applicable to automotive television sets, computer displays, indicative plates of various meters of automotive vehicles, ships and airplanes, and the like.

REFERENCES:
patent: 2594081 (1952-04-01), Shlenker
patent: 3288990 (1966-11-01), Stahlhut
patent: 4342821 (1982-08-01), Galves et al.

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