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:
Nov. 19, 2024
Filed:
Feb. 14, 2023
Fujifilm Corporation, Tokyo, JP;
Toshihiro Konishi, Kanagawa, JP;
Taro Hashizume, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
Provided is a bendable organic EL display device in which change in tint at a bending portion before and after bending is small. The organic electroluminescent display device is a bendable organic electroluminescent display device including a circularly polarizing plate and a bendable organic EL display panel, in which the circularly polarizing plate includes a polarizer and a retardation layer from a viewing side, the retardation layer includes a first optically anisotropic layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending in a thickness direction, and the first optically anisotropic layer satisfies a predetermined requirement.