Prism light guide luminaire

Details Prism light guide luminaire Prism light guide luminaire

1986-06-30

1988-06-14

Lee, John

Illumination

Supported by vehicle structure

Condition responsive

350 9632, 350259, 362 32, G02B 600

Patent

active

047507985

ABSTRACT:
The luminaire for a prism light guide system consists of a longitudinal hollow structure made of transparent dielectric material. The structure has inner and outer surfaces which are in octature, and at least a portion of one outer surface that has a light release mechanism. The light release mechanisms include a non-planar surface, a rough outer surface, or round corners in a corrugated outer surface. The luminaire can further include a device positioned within the hollow structure for increasing the divergence angle .theta. of the light. It can consist of a diffusion screen or a mirror. Some of the walls may also be covered by a reflective material to redirect any escaping light back into them.

REFERENCES:
patent: 2714816 (1955-08-01), Pennell
patent: 4260220 (1981-04-01), Whitehead
patent: 4459642 (1984-07-01), Mori
patent: 4615579 (1986-10-01), Whitehead

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