Back-reflection type light diffusing apparatus

Details Back-reflection type light diffusing apparatus Back-reflection type light diffusing apparatus

1986-07-18

1987-06-16

Corbin, John K.

Illumination

Supported by vehicle structure

Condition responsive

362297, 362311, G02F 113, F21V 700, F21V 300, F21V 500

Patent

active

046732543

ABSTRACT:
A back-reflection type light diffusing apparatus of this invention is suitable for use in liquid crystal display panels or the like, and is formed by a light guiding plate. The light guiding plate has one surface which forms a first surface through which light is radiated while its opposite surface forms a second surface on which a light reflecting plate is mounted. The light reflecting plate is provided with non-reflecting portions disposed in such a manner that the area thereof increases the closer it gets to the light source so as to radiate light from the light radiating surface uniformly over its entire area.

REFERENCES:
patent: 4206501 (1980-06-01), Brooks
patent: 4487481 (1984-12-01), Suzawa
patent: 4502761 (1985-03-01), Knoll et al.

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