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. 14, 2017
Filed:
Sep. 01, 2016
Applicants:
Gerd O. Mueller, San Jose, CA (US);
Regina B. Mueller-mach, San Jose, CA (US);
Inventors:
Gerd O. Mueller, San Jose, CA (US);
Regina B. Mueller-Mach, San Jose, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); H01L 33/32 (2010.01); C09K 11/61 (2006.01); C09K 11/62 (2006.01); C09K 11/77 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); C09K 11/617 (2013.01); C09K 11/62 (2013.01); C09K 11/7774 (2013.01); H01L 33/32 (2013.01); H05B 33/0857 (2013.01); Y02B 20/181 (2013.01);
Abstract
Phosphor-converted light emitting diodes comprising a blue or near-UV emitting semiconductor device, a yellow-green phosphor, and a red phosphor exhibit incandescent-like dimming behavior in that the Correlated Color Temperature of a white light output decreases with reduced brightness.