Self-luminous lighting system

Details Self-luminous lighting system Self-luminous lighting system

1979-04-18

1981-08-18

Walsh, Donald P.

Illumination

Light source or light source support and luminescent material

362263, 350345, F21V 916

Patent

active

042850290

ABSTRACT:
An elongated light-diffusive body having a trapezoidal cross-section encapsulates an axially elongated self-luminous light source. The body has a wide base, a narrow base, and slanted sides between the bases. Opening to its narrow base, the body has a longitudinal slot in which the light source fits. A substantially total reflector extends around the slanted sides and the narrow base, including the exposed portion of the light source, to reflect all the light toward the wide base. Distribution of the light emitted from the tube is changed as it leaves the wide base by a partially transmissive coating on the portion of the wide base through which light rays from the tube pass normal to the wide base.

REFERENCES:
patent: 2028241 (1936-01-01), Paul
patent: 4096550 (1978-06-01), Boller
patent: 4104627 (1978-08-01), Thuler
patent: 4126384 (1978-11-01), Goodman

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