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:
May. 03, 2011
Filed:
Dec. 04, 2006
Applicant:
Ju-seong Hwang, Cheonan-si, KR;
Inventor:
Ju-seong Hwang, Cheonan-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01); G03B 21/00 (2006.01); G03H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device comprises a light source unit comprising a plurality of light sources, a light mixing unit that is formed on the light source unit and comprises a light guiding part guiding light emitted from each light source, and a light mixing part mixing the guided light. A supporter supports the light mixing unit to be spaced from the light source unit. A small-sized optical device is provided having an enhanced light efficiency and a projection system having the same.