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:
Nov. 11, 2025
Filed:
Mar. 24, 2021
Applicant:
Ams-osram Ag, Premstätten, AT;
Inventors:
Assignee:
AMS-OSRAM AG, Premstätten, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01); G02B 5/20 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 5/281 (2013.01); G02B 5/207 (2013.01); H04N 23/55 (2023.01);
Abstract
An interference filter comprises a substrate, a filter stack and at least one absorption layer. The filter stack comprises alternating layers of optical coatings with different refractive indices arranged on the substrate. The at least one absorption layer is comprised of an optically absorbing material which is arranged on the substrate.