LED illumination device

Details LED illumination device LED illumination device

2011-04-05

2011-04-05

Alavi, Ali (Department: 2875)

Illumination

Elongated source light unit or support

With ventilating or cooling means

C362S217100, C362S217080, C362S249020

Reexamination Certificate

active

07918580

ABSTRACT:
An LED illumination device includes a light source and a heat sink. The heat sink includes an elongated base and a plurality of fins extending from the base. The base has a heat-absorbing surface and an opposite heat-spreading surface. The fins extend upwardly from the heat-spreading surface. The light source is attached to the heat-absorbing surface, whereby heat generated by the light source is removed by the heat sink. The heat-absorbing surface is one of a convex surface and a concave surface, whereby light emitted from the light source is diverged or converged towards objects.

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patent: 7637638 (2009-12-01), Chen
patent: 7771090 (2010-08-01), Chang et al.
patent: 7815338 (2010-10-01), Siemiet et al.
patent: 201007462 (2008-01-01), None
patent: 101118883 (2008-02-01), None
patent: 201041338 (2008-03-01), None

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