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US006815724B2
(12) United States Patent ao) Patent No.: us 6,815,724 B2
Dry (45) Date of Patent: Nov. 9,2004
(54) LIGHT EMITTING DIODE LIGHT SOURCE
(75) Inventor: Joel M. Dry, Winters, TX (US)
(73) Assignee: Optolum, Inc., Phoenix, AZ (US)
( * ) Notice: Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 10/430,698
(22) Filed: May 5, 2003
(65) Prior Publication Data
US 2003/0230765 Al Dec. 18, 2003
Related U.S. Application Data
(63) Continuation-in-part of application No. 10/156,810, filed on May 29, 2002, now Pat. No. 6,573,536.
(51) Int. CI.7 H01L 33/00
(52) U.S. CI 257/88; 362/555; 362/294;
362/373
(58) Field of Search 257/88; 362/555,
362/294, 373
(56) References Cited
U.S. PATENT DOCUMENTS
5,861,703 A * 1/1999 Losinski 310/330
