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. 29, 2016
Filed:
Aug. 25, 2011
Applicants:
Yuki Tanuma, Kyoto, JP;
Tomoharu Horio, Kyoto, JP;
Tadatoshi Miwa, Kyoto, JP;
Hiroyuki Tajiri, Kyoto, JP;
Takumi Yamade, Kyoto, JP;
Inventors:
Yuki Tanuma, Kyoto, JP;
Tomoharu Horio, Kyoto, JP;
Tadatoshi Miwa, Kyoto, JP;
Hiroyuki Tajiri, Kyoto, JP;
Takumi Yamade, Kyoto, JP;
Assignee:
ROHM CO., LTD., Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/03 (2006.01); F21V 8/00 (2006.01); H01L 23/00 (2006.01); H01L 33/60 (2010.01);
U.S. Cl.
CPC ...
H05K 1/0306 (2013.01); G02B 6/0073 (2013.01); G02B 6/0031 (2013.01); G02B 6/0068 (2013.01); G02B 6/0083 (2013.01); H01L 24/29 (2013.01); H01L 24/48 (2013.01); H01L 33/60 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48227 (2013.01); H01L 2224/49107 (2013.01); H01L 2224/73265 (2013.01); H01L 2924/00014 (2013.01); H01L 2924/01014 (2013.01); H01L 2924/01078 (2013.01); H01L 2924/078 (2013.01); H01L 2924/12035 (2013.01); H01L 2924/12041 (2013.01); H05K 2201/017 (2013.01); H05K 2201/10106 (2013.01); H05K 2201/2054 (2013.01);
Abstract
An LED light source unit for a backlight of a liquid crystal display is provided. The light source unit includes a plurality of LED chips, an insulating substrate, and a metal film covering a principal surface of the substrate. The LED chips are mounted on the metal film. With this arrangement, brightness of the light source unit is enhanced.