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:
Apr. 26, 2016
Filed:
Apr. 06, 2015
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Chien-Liang Liu, Hsinchu, TW;
Ming-Chi Hsu, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 25/075 (2006.01); H01L 33/50 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H01L 25/0753 (2013.01); H01L 2224/14 (2013.01); H01L 2933/0033 (2013.01); H01L 2933/0041 (2013.01);
Abstract
A method of tuning color temperature of light-emitting device having an overall color temperature, comprising: providing a carrier; disposing at least two LED units on the carrier, wherein there is a space formed between the two LED units, and the overall color temperature of the light-emitting device is positively correlated to the space; and setting a predetermined temperature for the overall color temperature by adjusting the space.