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:
Oct. 04, 2016
Filed:
Jun. 05, 2014
Applicant:
Cree Huizhou Solid State Lighting Company Limited, Huizhou, CN;
Inventors:
Chi Keung Chan, Hong Kong, CN;
Xiang Fei, Guangdong, CN;
Assignee:
Cree, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/58 (2010.01); H01L 33/54 (2010.01);
U.S. Cl.
CPC ...
H01L 33/58 (2013.01); H01L 33/54 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/73265 (2013.01); H01L 2933/0091 (2013.01);
Abstract
LED devices are provided including an LED package including an LED and an optical element in an optical receiving relationship with the LED. The optical element has a higher light absorbing property at an exit surface away from the LED than at a bottom surface proximal to the LED. The optical element may include different epoxies, dye, and opaque particles. Methods for producing disclosed LED devices are also disclosed.