Lighting fixture with an improved light transmitting film

Details Lighting fixture with an improved light transmitting film Lighting fixture with an improved light transmitting film

1992-02-11

1992-09-01

Dority, Carroll B.

Illumination

Light source and modifier

Including selected wavelength modifier

359884, F21J 900

Patent

active

051434466

ABSTRACT:
An improved lighting fixture includes a light reflecting and/or light transmitting member for reflecting or transmitting visible light. A light transmitting film is disposed adjacent the light reflecting or transmitting member. The light transmitting film is formed of a glutarimide acrylic copolymer. The glutarimide acrylic copolymer film provides protection to the light reflecting and/or transmitting member from damaging effects of ultraviolet radiation and is substantially resistant to ultraviolet radiation.

REFERENCES:
patent: 3284625 (1966-11-01), Barnes
patent: 4380794 (1983-04-01), Lawson
patent: 4524104 (1985-06-01), Hagio et al.
patent: 4836642 (1989-06-01), Matsumoto et al.
patent: 4903180 (1990-02-01), Taylor
patent: 4971847 (1990-11-01), Freed

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