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:
Feb. 23, 2021
Filed:
Nov. 08, 2016
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Fumihiro Yonekawa, Tokyo, JP;
Yohei Mizuguchi, Tokyo, JP;
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Abstract
A light-emitting electrochemical cell has a light-emitting layer and electrodes and disposed on the respective surface thereof. The light-emitting layer includes an organic polymeric light-emitting material and an ionic compound represented by the general formula (1). The ring Adenotes an aromatic ring; X is S, C or P; Rdenotes R' or OR′, and R′ denotes an alkyl group; n denotes 0 or 1; B denotes O, ORor A, Rdenotes a saturated hydrocarbon group, and Adenotes an aromatic ring; the bond a is a single bond or a double bond; the bond a between B and X is a double bond and B is O; when X is P, the bond a between B and X is a single bond and B is ORor A; d is 1 or more; and Ydenotes a cation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile