Lighting panel

Details Lighting panel Lighting panel

1994-03-15

1995-03-21

Bertsch, Richard A.

Illumination

Revolving

362 32, 385901, F21V 704

Patent

active

054002249

ABSTRACT:
A lighting panel having a polished major surface and a shaped major surface opposite the first major surface. The shaped major surface has a plurality of longitudinally extending grooves shaped to define, with the first major surface and sides, a plurality of light guides extending from the light receiving end. The light guides have polished hill portions for internally reflecting light striking the polished hill portions and transmitting light along the guides and the grooves having roughened valley portions for causing a portion of the light transmitted along the guides to project outwardly from the major surfaces with the light emitted from the roughened valley portions of the grooves having a uniform distribution across the panel.

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patent: 5227773 (1993-07-01), Wu et al.
patent: 5233679 (1993-08-01), Oyama

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