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:
Feb. 15, 2022
Filed:
Nov. 06, 2019
Applicant:
Ledvance Gmbh, Garching bei Munchen, DE;
Inventors:
Jing Lin, Guangdong, CN;
Junhao Yuan, Guangdong, CN;
Xiongqiang He, Guangdong, CN;
Shuting Chou, Guangdong, CN;
Assignee:
LEDVANCE GMBH, Garching Bei München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 25/075 (2006.01); H01L 33/62 (2010.01); H01L 33/52 (2010.01); F21K 9/232 (2016.01); F21Y 107/90 (2016.01); F21Y 113/13 (2016.01); F21Y 105/16 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
H01L 25/0753 (2013.01); F21K 9/232 (2016.08); H01L 33/52 (2013.01); H01L 33/62 (2013.01); F21Y 2105/16 (2016.08); F21Y 2107/90 (2016.08); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08);
Abstract
A light engine for a semiconductor lamp comprises a substrate and at least two groups of LED chips arranged on the substrate. The LED chips of a first group are adapted to emit light having a first color and the LED chips of a second group are adapted to emit light having a second color different from the first color