LED lamp with large light emitting angle

Details LED lamp with large light emitting angle LED lamp with large light emitting angle

2009-10-19

2011-11-01

Sawhney, Hargobind (Department: 2885)

Illumination

Plural light sources

With support

C362S294000, C362S218000, C362S373000

Reexamination Certificate

active

08047680

ABSTRACT:
An LED lamp includes a heat sink and a plurality of LED modules. The heat sink includes a base and a plurality of supporters extending from a top face of the base. Each supporter has an inclined supporting face facing an adjacent one of two opposite lateral sides of the base. Each LED module is mounted on an inclined supporting face of a corresponding supporter. The supporters have extending heights gradually increasing along a horizontal direction from the two opposite lateral sides toward a center of the base. Angles between the base and the supporting faces of the supporters are acute angles and gradually decrease along the horizontal direction from the two opposite lateral sides toward the center of the base.

REFERENCES:
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patent: 7329030 (2008-02-01), Wang
patent: 7682055 (2010-03-01), Shuai et al.
patent: 7726845 (2010-06-01), Zheng et al.
patent: 7726851 (2010-06-01), Shuai et al.
patent: 7854534 (2010-12-01), Liu
patent: 2009/0185374 (2009-07-01), Wu et al.
patent: WO 2008123711 (2008-10-01), None

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