LED light source with reflecting side wall

Details LED light source with reflecting side wall LED light source with reflecting side wall

2006-07-25

2006-07-25

Husar, Stephen F (Department: 2875)

Illumination

Plural light sources

With modifier

C362S240000, C362S247000, C362S545000, C362S800000

Reexamination Certificate

active

07080924

ABSTRACT:
A light emitting diode chip or chips array mounted on a substrate is surrounded by one or more side walls. The wall has an uneven reflecting surface to diverge the light emitted from the LED chip or chip array. The wall may have a triangular cross-section so that the emitted light diverges in all directions. When three double-sided reflecting walls surround three LED panels, the reflected light becomes omnidirectional hemispherically and can be used in a light bulb.

REFERENCES:
patent: 5384693 (1995-01-01), Schwaller et al.
patent: 5642933 (1997-07-01), Hitora

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