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:
Aug. 23, 2016
Filed:
Feb. 15, 2013
National University Corporation Yamagata University, Yamagata, JP;
Yong-Jin Pu, Yonezawa, JP;
Takayuki Chiba, Yonezawa, JP;
Junji Kido, Yonezawa, JP;
Sei Satoh, Yonezawa, JP;
Kazushige Ideta, Yonezawa, JP;
NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY, Yamagata, JP;
Abstract
To provide an organic electroluminescent element that can attain efficiency improvement by forming an electron injection layer by a film that is stable and excellent in uniformity, and forming a charge generation layer capable of effectively exhibiting the function. In an organic electroluminescent element provided with at least one organic layer between a pair of electrodes, an electron injection layer comprising a ZnO-containing layer, and a charge generation layer containing an electron acceptor-containing film in contact with the cathode side thereof and an electron donor-containing film adjacent thereto are formed.