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:
Jul. 14, 2015
Filed:
May. 25, 2012
Applicants:
Hiroki Sugiyama, Osaka, JP;
Hiroshi Kitano, Hyogo, JP;
Shigekazu Yamagishi, Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/20 (2006.01); G03B 33/12 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G03B 21/2013 (2013.01); G03B 33/12 (2013.01); H04N 9/3111 (2013.01); H04N 9/3161 (2013.01); H04N 9/3164 (2013.01);
Abstract
A lighting device configured to output light of predetermined color includes: a plurality of solid-state light sources including at least a first solid-state light source and a second solid-state light source; a drive section configured to drive each of the plurality of solid-state light sources individually; a first phosphor for excitation by first emission light emitted from the first solid-state light source; and a second phosphor for excitation by second emission light emitted from the second solid-state light source, and first fluorescence and second fluorescence are of different color.