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US007798695B2
(12) United States Patent ao) Patent No.: Us 7,798,695 B2
Parker (45) Date of Patent: Sep. 21,2010
(54) LIGHT EMITTING PANEL ASSEMBLIES
(75) Inventor: Jeffery R. Parker, Richfield, OH (US)
(73) Assignee: Rambus International Ltd. (KY)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl.No.: 12/273,121
(22) Filed: Nov. 18, 2008
(65) Prior Publication Data
US 2009/0073719 Al Mar. 19, 2009
Related U.S. Application Data
(60) Division of application No. 11/504,204, filed on Aug. 15, 2006, now Pat. No. 7,703,967, which is a continuation of application No. 10/784,527, filed on Feb. 23, 2004, now Pat. No. 7,160,015, which is a division of application No. 09/256,275, filed on Feb. 23, 1999, now Pat. No. 6,712,481, which is a continuation-inpart of application No. 08/778,089, filed on Jan. 2, 1997, now Pat. No. 6,079,838, which is a division of application No. 08/495,176, filed on Jun. 27, 1995, now Pat. No. 5,613,751.
(51) Int. CI.
F21V 7/04 (2006.01)
(52) U.S. CI 362/607; 362/603; 362/617;
362/619
(58) Field of Classification Search 362/612,
362/613, 617, 619, 625, 603, 606, 607 See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
Light emitting assemblies include an optical conductor having at least one slot, cavity or hole in at least one side that defines at least one input surface for a light source having a light output distribution defined by a greater width component than height component. The optical conductor has a predetermined pattern of deformities that vary to cause a desired light output distribution to be emitted from a plurality of specific surface areas of the optical conductor.
13 Claims, 4 Drawing Sheets