Light emissive panel unit

Details Light emissive panel unit Light emissive panel unit

1994-03-07

1999-01-26

Lazarus, Ira S.

Illumination

Light modifier

Refractor

362 27, 362331, 362339, F21V 502

Patent

active

058631143

ABSTRACT:
A light emissive panel unit includes a light source for emitting light, a prism plate into which the light emitted by the light source means incident, a part of the light being reflectable and another part of the light passing through the prism plate, and an adjusting element for partially adjusting an amount of light emitted from a surface of the prism plate.

REFERENCES:
patent: 4791540 (1988-12-01), Dreyer, Jr. et al.
patent: 4913529 (1990-04-01), Goldenberg et al.
patent: 5136480 (1992-08-01), Pristash et al.
patent: 5386347 (1995-01-01), Matsumoto
patent: 5394255 (1995-02-01), Yokota et al.
patent: 5408388 (1995-04-01), Kobayashi et al.
patent: 5414599 (1995-05-01), Kaneko et al.

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