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. 01, 2012
Filed:
Aug. 13, 2008
Applicants:
Dong-hoon Kim, Seoul, KR;
Jin-sung Choi, Cheonan-si, KR;
Joong-hyun Kim, Suwon-si, KR;
Seung-hwan Chung, Anyang-si, KR;
Seung-mo Kim, Cheonan-si, KR;
Inventors:
Dong-Hoon Kim, Seoul, KR;
Jin-Sung Choi, Cheonan-si, KR;
Joong-Hyun Kim, Suwon-si, KR;
Seung-Hwan Chung, Anyang-si, KR;
Seung-Mo Kim, Cheonan-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical sheet () includes a base layer () and a light condensing pattern () formed on the base layer integrally with the base layer and including one or more peaks and one or more valleys. Each of the base layer and the light condensing pattern includes a continuous phase and a dispersed phase. The dispersed phase is stretched in a main stretching direction.