IP Library Granted Patent US 7,604,380
Granted Patent B2
US 7,604,380 · App. 11/770,538 · Granted Oct 20, 2009

Apparatus for using heat pipes in controlling temperature of an LED light unit

Assignee: Dialight Corporation
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Quick Facts
Patent No.
US 7,604,380
App. No.
11/770,538
Granted
Oct 20, 2009
Kind
B2
Abstract

A light emitting diode (LED) light unit is disclosed. For example, the LED light unit includes at least one support plate having one or more inner openings. At least one LED array may be coupled to an LED board. The LED light unit also includes at least one heat pipe coupled to the LED board, wherein said LED board is coupled to the at least one support plate.

Claims (5)

1. A light emitting diode (LED) light unit comprising:

a plurality of support plates, wherein each one of said plurality of support plates has one or more inner openings and each one of said plurality of support plates is stacked vertically and coupled to a center column;

at least one LED array coupled to an LED board;

a heat collector coupled to said LED board; and

at least one heat pipe coupled to said heat collector such that said at least one heat pipe is directly beneath and parallel to said at least one LED array, wherein said at least one heat pipe is coupled to one of said plurality of support plates, wherein said at least one heat pipe of an uppermost one of said plurality of support plates is located through and adjacent to said one or more inner openings of said uppermost one of said plurality of support plates and wherein said at least one heat pipe of each one of said plurality of support plates below said uppermost one of said plurality of support plates is located adjacent to said at least one heat pipe of said uppermost one of said plurality of support plates in a line radially inward.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Apr 24, 2026
From: HSBC UK BANK PLC
To: DIALIGHT CORPORATION
Reel/Frame 075458/0034 →
SECURITY INTEREST Recorded Apr 23, 2026
From: DIALIGHT CORPORATION
To: HSBC UK BANK PLC
Reel/Frame 075465/0389 →
SECURITY INTEREST Recorded Jul 21, 2022
From: DIALIGHT CORPORATION
To: HSBC UK BANK PLC, AS SECURITY AGENT
Reel/Frame 060803/0351 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2007
From: BURTON, THOMAS R.; CURRAN, JOHN W.; PECK, JOHN PATRICK; ZIMMER, KENNETH J.
To: DIALIGHT CORPORATION
Reel/Frame 019626/0977 →
Continuity (2)
Provisional Application 6081788000 · Jun 30, 2006
Related Publication 20080002410A1 · Jan 3, 2008