The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 09, 2010
Filed:
Mar. 30, 2006
Applicants:
Jong-hoi Kim, Suwon-si, KR;
Won-yong Lee, Suwon-si, KR;
Young-chol Lee, Gunpo-si, KR;
Kye-hoon Lee, Suwon-si, KR;
Inventors:
Jong-hoi Kim, Suwon-si, KR;
Won-yong Lee, Suwon-si, KR;
Young-chol Lee, Gunpo-si, KR;
Kye-hoon Lee, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/28 (2006.01); G03B 21/26 (2006.01); G01D 11/28 (2006.01); F21V 7/00 (2006.01); H04N 5/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
An illumination unit and an image projection apparatus employing the same. The illumination unit includes: a first reflective surface reflecting light incident thereon; a light-emitting device generating and emitting illuminating light; and a second reflective surface reflecting light emitted from the light-emitting device to a light source surface that includes the light-emitting device.