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:
Sep. 17, 2013
Filed:
Oct. 25, 2010
Applicants:
Masanori Shimizu, Kyoto, JP;
Yoko Matsubayashi, Osaka, JP;
Hiroshi Yagi, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K 2/00 (2006.01); H05B 33/00 (2006.01); F21K 2/08 (2006.01);
U.S. Cl.
CPC ...
F21K 2/08 (2013.01);
Abstract
A backlight apparatus comprises a light source that is composed of a combination of a blue light emitting device, a green light emitting phosphor, and a red light emitting phosphor. The blue light emitting device has a peak intensity of a light emitting spectrum 3 to 19 times as high as the green light emitting phosphor.