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:
Jun. 17, 2008
Filed:
Aug. 17, 2006
Applicants:
Yong-gwang Won, Yongin-si, KR;
Jeoung-gwen Lee, Suwon-si, KR;
Sung-yong Kang, Suwon-si, KR;
Jheen-hyeok Park, Seongnam-si, KR;
Inventors:
Yong-Gwang Won, Yongin-si, KR;
Jeoung-Gwen Lee, Suwon-si, KR;
Sung-Yong Kang, Suwon-si, KR;
Jheen-Hyeok Park, Seongnam-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light-guide plate includes an incident surface receiving light, an upper surface extended from a first side of the incident surface, a lower surface opposed to the upper surface and a plurality of first prisms protruding from the upper surface and spaced apart by a separation distance.