Linear diffuse light source

Details Linear diffuse light source Linear diffuse light source

1988-07-08

1990-09-04

Lazarus, Ira S.

Illumination

Revolving

362255, 362339, 362800, F21V 800

Patent

active

049549316

ABSTRACT:
A light source providing a diffuse, uniform intensity of light over a length of the device. A prism of material having a relatively high index of refraction has a shape to capture light emitted longitudinally therein by light emitting diodes molded into the ends thereof. A window, such as a frosted surface of the prism, allows the light to be emitted from the prism. The window has a shape which tapers toward the light emitting diodes so that a linearly uniform amount or intensity of light is emitted along the length of the window.

REFERENCES:
patent: 3752974 (1973-08-01), Baker et al.
patent: 3761704 (1973-09-01), Takeichi et al.
patent: 4163883 (1979-08-01), Boulanger
patent: 4460940 (1984-07-01), Mori
patent: 4528617 (1985-07-01), Blackington
patent: 4585298 (1986-04-01), Mori
patent: 4751615 (1988-06-01), Abrams
patent: 4779166 (1988-10-01), Tanaka et al.

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