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. 21, 2023
Filed:
Feb. 14, 2020
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Alan Piquette, Kensington, NH (US);
Maxim N. Tchoul, Winchester, MA (US);
David W. Johnston, Exeter, NH (US);
Gertrud Kraeuter, Regensburg, DE;
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); C08K 3/013 (2018.01); C08G 77/18 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/02 (2013.01); C08G 77/18 (2013.01); C08K 3/013 (2018.01); H01L 33/502 (2013.01);
Abstract
The present invention is directed to a wavelength converter comprising a non-luminescent substrate layer, at least one polysiloxane layer, wherein at least one of the polysiloxane layers comprises a phosphor material. Furthermore, the present invention is directed to a method for preparing a wavelength converter, a light emitting device and a method for preparing a light emitting device.