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. 14, 2017
Filed:
Mar. 02, 2013
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/195 (2006.01); C04B 35/44 (2006.01); C04B 35/626 (2006.01); C04B 35/628 (2006.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01); F21V 9/10 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7776 (2013.01); C04B 35/195 (2013.01); C04B 35/44 (2013.01); C04B 35/62675 (2013.01); C04B 35/62807 (2013.01); C04B 35/62813 (2013.01); C04B 35/62886 (2013.01); C09K 11/7774 (2013.01); C04B 2235/322 (2013.01); C04B 2235/326 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3222 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3229 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3256 (2013.01); C04B 2235/3258 (2013.01); C04B 2235/443 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/604 (2013.01); C04B 2235/661 (2013.01); C04B 2235/764 (2013.01); C04B 2235/80 (2013.01); C04B 2235/9607 (2013.01); H01L 33/502 (2013.01); Y02B 20/181 (2013.01);
Abstract
The present invention relates to a composite ceramic which comprises a conversion phosphor and a further material, characterized in that the further material has a negative coefficient of thermal expansion, and to a process for the preparation thereof. Furthermore, the present invention also relates to the use of the composite ceramic according to the invention as emission-converting material, preferably in a white light source, and to a light source, a lighting unit and a display device.