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:
May. 17, 2016
Filed:
Mar. 05, 2013
Applicant:
Osram Opto Semicondusctors Gmbh, Regensburg, DE;
Inventor:
Mikael Ahlstedt, München, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); C04B 37/00 (2006.01); C09K 11/02 (2006.01); H01L 25/13 (2006.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); C04B 37/00 (2013.01); C04B 37/008 (2013.01); C09K 11/025 (2013.01); H01L 25/13 (2013.01); H01L 33/505 (2013.01); C04B 2237/04 (2013.01); C04B 2237/12 (2013.01); H01L 2924/0002 (2013.01); H01L 2933/0041 (2013.01); Y10T 428/249984 (2015.04);
Abstract
A wavelength conversion element including at least two ceramic conversion segments each including a ceramic wavelength conversion substance and connected together in a matrix by a non-transparent connecting material, wherein each conversion segment emits light by absorbing primary radiation and re-emitting secondary radiation different from the primary radiation, and the light comprises the secondary radiation and a proportion of the primary radiation is less than or equal to 5%.