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:
Jul. 20, 2021
Filed:
May. 08, 2019
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
H01L 33/505 (2013.01); H01L 33/502 (2013.01); H01L 2933/0041 (2013.01); H01L 2933/0091 (2013.01);
Abstract
A multilayer ceramic converter with stratified scattering is disclosed. In an embodiment a ceramic wavelength converter assembly having a layered structure includes a phosphor layer, an upper barrier layer, and a lower barrier layer, wherein the phosphor layer is at least partially disposed between the upper barrier layer and the lower barrier layer.