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. 07, 2026
Filed:
Dec. 28, 2021
Nitto Denko Corporation, Ibaraki, JP;
NITTO DENKO CORPORATION, Ibaraki, JP;
Abstract
The present invention provides an optical laminate including a void-containing layer with high strength against peeling, a method for producing the optical laminate, an optical member including the optical laminate, an optical apparatus including the optical laminate, a method for producing the optical member, and a method for producing the optical apparatus. The optical laminate () or () of the present inventions includes: a void-containing layer (); and a hard layer () formed on the void-containing layer (), wherein the void-containing layer () has a void fraction ofvol % or more, the hard layer () includes at least one element selected from the group consisting of metal, metal oxide, silicon, silicon oxide and an organic-inorganic hybrid material, and hardness measured by pushing an indenter of a nano indenter into the hard layer () fornm is larger than hardness of the void-containing layer ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile