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. 10, 2020
Filed:
Aug. 08, 2014
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Joled Inc., Tokyo, JP;
Hironori Kawakami, Tokyo, JP;
Masakazu Funahashi, Chiba, JP;
Tadahiko Yoshinaga, Kanagawa, JP;
Hiroaki Toyoshima, Kanagawa, JP;
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
JOLED Inc., Tokyo, JP;
Abstract
An organic electroluminescence composition including two or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability; an organic electroluminescence composition including one or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability and a different compound having an electron transporting skeleton; and a material for organic electroluminescence devices, a solution of a material for organic electroluminescence devices and an organic electroluminescence device, each including the aromatic heterocyclic derivative.