LED lamp assembly

Details LED lamp assembly LED lamp assembly

2007-09-20

2010-02-02

Sember, Thomas M (Department: 2885)

Illumination

Plural light sources

With modifier

C362S240000, C362S241000, C362S097100, C362S301000

Reexamination Certificate

active

07654689

ABSTRACT:
An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective element, at least one light-shielding sheet 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 element defines at least one through hole, the LED passing through the corresponding through hole. The at least one light-shielding sheet corresponds to the at least one LED respectively. Each light-shielding sheet comprises a bottom reflective plate and a pair of opposite sidewalls extending from two opposite ends of the bottom reflective plate. A plurality of light holes is defined at ends of the bottom reflective plate adjacent to the two opposite sidewalls. The lamp cover is fixed on the opening of the housing. 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.
patent: 1224230 (2004-11-01), None

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