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:
Jun. 17, 2025
Filed:
Feb. 05, 2020
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH, Regensburg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10H 20/851 (2025.01); C09K 11/77 (2006.01); H10H 20/01 (2025.01);
U.S. Cl.
CPC ...
H10H 20/8512 (2025.01); C09K 11/77347 (2021.01); H10H 20/851 (2025.01); H10H 20/8511 (2025.01); H10H 20/8513 (2025.01); H10H 20/8516 (2025.01); H10H 20/0361 (2025.01);
Abstract
A wavelength converter may include a phosphor layer and a filter layer where the filter layer may be directly attached to the phosphor layer. The wavelength converter may have an overall thickness ranging from 20 μm to 80 μm. A light emitting device assembly and methods for preparing a wavelength converter and methods for preparing a light emitting device assembly are also disclosed.