Indirectly illuminated sign

Details Indirectly illuminated sign Indirectly illuminated sign

1993-08-05

1995-07-04

Look, Edward K.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

362800, G09F 1304

Patent

active

054289122

ABSTRACT:
An internally illuminated sign having indirect illumination provided by light emitting diodes (LED). A plurality of LED's are mounted on a printed circuit board (PC board) and mounted within the sign. The PC board is offset to a side of the sign housing with the somewhat directional LED light source directed toward a reflector. The reflector is angled to convert the generally narrow directional light source of an LED into a substantially even, diffused and non-uniform light distribution pattern.

REFERENCES:
patent: 1524446 (1925-01-01), Meacher
patent: 3324290 (1967-06-01), Lasker
patent: 5018290 (1991-05-01), Kozek et al.
patent: 5105568 (1992-04-01), Branning
patent: 5136483 (1992-08-01), Schoniger
patent: 5151679 (1992-09-01), Dimmick
patent: 5299109 (1994-03-01), Grondal

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