Lighting device

Details Lighting device Lighting device

2007-01-09

2009-06-30

O'Shea, Sandra L (Department: 2875)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S218000, C362S264000, C362S373000, C362S547000, C362S800000, C361S720000

Reexamination Certificate

active

07553047

ABSTRACT:
A lighting device is provided. The lighting device includes a light source, a light source supporting member which has a surface to which the light source is attached, and a heat sink on an opposite surface of the light source supporting member, for dissipating heat generated by the light source. In addition, the heat sink includes a heat transfer member which protrudes from the surface of the light source supporting member; a plurality of first fins which are spaced apart from each other at intervals in a length direction of the heat transfer member, and are arranged parallel to the light source supporting member; and a plurality of second fins which are spaced apart from each other at intervals, surround outer portions of the first fins, and are arranged perpendicularly to the light source supporting member.

REFERENCES:
patent: 4613931 (1986-09-01), Messinger
patent: 5580164 (1996-12-01), Maddox et al.
patent: 2006/0092639 (2006-05-01), Livesay et al.
patent: 2007/0070629 (2007-03-01), Hulick et al.
patent: 2007/0121326 (2007-05-01), Nall et al.

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