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. 01, 2020
Filed:
Mar. 15, 2018
Fujifilm Corporation, Tokyo, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the invention is to provide an optical laminate which has excellent workability in the production of a polarizing plate and is capable of suppressing the occurrence of cracks in the polarizing plate, a polarizing plate, a method of manufacturing the polarizing plate using the optical laminate, and an image display device having the polarizing plate. An optical laminate according to the invention has a polarizer, an optical anisotropic layer, and a masking layer in this order, and hardness HB of the masking layer and hardness HA of a layer adjacent to the optical anisotropic layer side of the masking layer satisfy Expression (1):×0.5≤×2  (1).