LED engine of finned boxes for heat transfer
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United States of America Patent
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Jan 21, 2014
Grant Date -
Nov 10, 2011
app pub date -
Aug 14, 2009
filing date -
Jan 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A light emitting assembly (10) includes a heat sink (12) defined by a plurality of independent sections (14). Each section (14) includes walls (24, 26) extending transversely from the mounting surface (20) to define an open container. Light emitting diodes (52) are disposed at the bottom of each open container. Each section (14) includes first fins (32) extending outwardly from the walls (24, 26) and extending toward the first fins (32) of an adjacent section (14). In one embodiment, the sections (14) can be cantilevered to a planar surface (38) extending longitudinally across an end wall (24) of each section (14). In a second embodiment, the sections (14) can be interconnected by bridges (42) and then vertically mounted to a wall with a mounting bracket (44). The sections (14) can include second fins (34) extending from a heat transfer surface (22) facing opposite the mounting surface (20). The second fins (34) are disposed between the heat transfer surface (22) and the mounting bracket (44).
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