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. 05, 2015
Filed:
Jul. 14, 2011
Applicant:
Won-jae Joo, Seongnam-si, KR;
Inventor:
Won-Jae Joo, Seongnam-si, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03H 1/00 (2006.01); G02B 5/32 (2006.01); H01L 31/054 (2014.01); F24J 2/06 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/32 (2013.01); F24J 2/06 (2013.01); G02B 6/0076 (2013.01); Y02B 10/12 (2013.01); Y02B 10/20 (2013.01); Y02E 10/52 (2013.01); H01L 31/054 (2013.01); H01L 31/0549 (2013.01); Y10S 385/90 (2013.01);
Abstract
A solar light concentration plate comprises a plurality of holograms diffracting incident light wherein each of the plurality of the holograms has a thickness, at least one intermediate light guide plate disposed between the plurality of the holograms, and a pair of external light guide plates disposed on outer surfaces of outermost holograms of the plurality of the holograms, wherein at least one of the pair of the external light guide plates has an inner surface and an outer surface inclined relative to the inner surface.