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. 31, 2019
Filed:
Apr. 21, 2017
Zeon Corporation, Chiyoda-ku, Tokyo, JP;
ZEON CORPORATION, Chiyoda-ku, Tokyo, JP;
Abstract
A film sensor member for disposing on a visually recognizing side of a linear polarizer in an image display device including the linear polarizer, the member including a transparent electroconductive layer, a λ/4 plate, and a λ/2 plate in this order from the visually recognizing side, wherein the λ/4 plate is formed of a first thermoplastic resin containing an amorphous polymer having a glass transition temperature of 150° C. or higher or a crystallizable polymer having a melting point of 250° C. or higher, the λ/2 plate includes, in this order, a first outer layer formed of a second thermoplastic resin, an intermediate layer formed of a third thermoplastic resin containing an ultraviolet absorber, and a second outer layer formed of a fourth thermoplastic resin, and the λ/2 plate has an NZ factor of 1.1 to 3.0.