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:
Oct. 13, 2026
Filed:
Feb. 27, 2023
Nitto Denko Corporation, Ibaraki, JP;
NITTO DENKO CORPORATION, Osaka, JP;
Abstract
Provided are an optical laminate that can be reduced in thickness and that can maintain excellent optical performance, and a method of producing the optical laminate. The optical laminate according to an embodiment of the present invention includes: a transparent layer having a thickness of 20 μm or less; a porous layer directly arranged in a predetermined pattern on one surface of the transparent layer in a thickness direction, the porous layer having a refractive index of 1.25 or less; an adhesion layer arranged on a side of the transparent layer opposite to the porous layer, the adhesion layer being brought into contact with the transparent layer; and a pressure-sensitive adhesive layer arranged on a side of the transparent layer opposite to the adhesion layer, the pressure-sensitive adhesive layer covering the porous layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile