LED lamp assembly

Details LED lamp assembly LED lamp assembly

2007-07-06

2008-12-02

Ward, John A (Department: 2885)

Illumination

Plural light sources

With modifier

C362S240000, C362S247000, C362S301000, C362S302000

Reexamination Certificate

active

07458701

ABSTRACT:
An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective plate, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective plate defines at least one through hole, the LED passing through the corresponding through hole. The light reflective module includes a bottom reflective plate, at least two opposite reflective sidewalls, at least one light-shielding sheet extending at midsections from the opposing reflective sidewalls. The bottom reflective plate defines at least one first cutout, the at least one LED passing through the corresponding first cutout. The at least one light-shielding sheet defines a plurality of light holes and covers the corresponding LED. The LED lamp assembly has a uniform luminance.

REFERENCES:
patent: 4271408 (1981-06-01), Teshima et al.
patent: 6431728 (2002-08-01), Fredericks et al.
patent: 6491412 (2002-12-01), Bowman et al.
patent: 6729746 (2004-05-01), Suehiro et al.
patent: 6886982 (2005-05-01), Reynolds
patent: 7181378 (2007-02-01), Benitez et al.

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