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:
Jan. 26, 2021
Filed:
Feb. 06, 2019
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 33/00 (2010.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); H01L 33/50 (2013.01); H01L 33/501 (2013.01); H01L 33/504 (2013.01); H01L 33/508 (2013.01); H01L 2933/0041 (2013.01);
Abstract
The present invention is directed to a wavelength converter comprising: —a phosphor layer and—a filter layer, wherein the filter layer is directly attached to the phosphor layer and wherein the wavelength converter has an overall thickness of between 20 μm to 80 μm. Furthermore, the present invention is directed to a light emitting device assembly and methods for preparing a wavelength converter and methods for preparing a light emitting device assembly.