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. 10, 2025
Filed:
Aug. 17, 2020
3m Innovative Properties Company, St. Paul, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
An optical assembly including a first optical substrate including a first major surface; a multilayer polymeric optical film disposed on the first major surface of the first optical substrate and including a plurality of polymeric layers numbering greater than about 50 in total; and a first optical bonding layer having an average thickness of less than about 0.5 microns and disposed between, and making physical contact to, the first major surface of the first optical substrate and the multilayer polymeric optical film, the first optical bonding layer bonding the first optical substrate to the multilayer polymeric optical film and including a silanated amine.