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:
Dec. 23, 2025
Filed:
Nov. 17, 2015
Dexerials Corporation, Tokyo, JP;
Shunichi Kajiya, Tokyo, JP;
DEXERIALS CORPORATION, Tokyo, JP;
Abstract
There is provided a new and improved optical body, optical film adhesive body, and method for manufacturing an optical body, in which a concave-convex structure of an optical film can be protected without the use of a protective film, the optical film can be made thinner, the handling properties can be improved, the occurrence of defects caused by a difference in the refractive index between an adhesive layer and the optical film can be minimized, and the optical film can be applied more firmly to the adherend, the optical body including: an optical film provided with first and second concave-convex structures; and a master film in which an average period of concavities and convexities of the first concave-convex structure is less than or equal to visible light wavelengths, and the master film is provided with a third concave-convex structure which has a reverse shape of the first concave-convex structure.