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.

Date of Patent:
Apr. 03, 2018

Filed:

Dec. 03, 2015
Applicants:

Nippon Chemical Industrial Co., Ltd., Tokyo, JP;

Waseda University, Tokyo, JP;

Inventors:

Fumihiro Yonekawa, Tokyo, JP;

Tomo Sakanoue, Tokyo, JP;

Taishi Takenobu, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0039 (2013.01); H01L 51/004 (2013.01); H01L 51/005 (2013.01); H01L 51/0065 (2013.01); H01L 51/0087 (2013.01); H01L 51/502 (2013.01); H01L 51/5032 (2013.01);
Abstract

A light-emitting electrochemical cellincludes an emitting layerand electrodesand, one on each side of the emitting layer. The emitting layercontains a light-emitting material and an ionic compound. The ionic compound has general formula (1), wherein M is N or P; R, R, R, and Reach independently represent a C1-C20 saturated aliphatic group; and X is preferably an anion having a phosphoric ester bond or a sulfuric ester bond. The light-emitting material is preferably an organic light-emitting polymer, a metal complex, an organic low molecular compound, or a quantum dot.


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