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:
Dec. 08, 2015
Filed:
Jun. 23, 2014
Applicant:
Delta Electronics, Inc., Taoyuan Hsien, TW;
Inventors:
Keh-Su Chang, Taoyuan Hsien, TW;
Yen-I Chou, Taoyuan Hsien, TW;
Chi Chen, Taoyuan Hsien, TW;
Meng-Han Liu, Taoyuan Hsien, TW;
Bor Wang, Taoyuan Hsien, TW;
Assignee:
Delta Electronics, Inc., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/16 (2006.01); G03B 21/20 (2006.01); G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 26/008 (2013.01);
Abstract
Disclosed is a phosphor wheel including a substrate, a first phosphor region on the substrate, and a second phosphor region on the substrate. The first phosphor region and the second phosphor region are concentric patterns without any space between their interface. Moreover, the second phosphor region is set to surround the first phosphor region.