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. 07, 2021
Filed:
Nov. 25, 2019
Fujifilm Corporation, Tokyo, JP;
Shinichi Morishima, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a phase difference plate for an organic EL display device having excellent light resistance, an organic EL display device, and a method for producing a phase difference plate. The phase difference plate for an organic EL display device of an embodiment of the present invention has a phase difference layer formed from a composition containing a polymer having a repeating unit A including a photo-alignment group and a polymerizable liquid crystal compound having reciprocal wavelength dispersion, in which the photo-alignment group includes a double bond structure of C═C or C═N.