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:
Apr. 05, 2016
Filed:
Mar. 27, 2012
Masanobu Tanaka, Ibaraki, JP;
Rui Ishikawa, Ibaraki, JP;
Ken Sakakibara, Ibaraki, JP;
Hideyuki Higashimura, Ibaraki, JP;
Masanobu Tanaka, Ibaraki, JP;
Rui Ishikawa, Ibaraki, JP;
Ken Sakakibara, Ibaraki, JP;
Hideyuki Higashimura, Ibaraki, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
An electronic device that serves as a high-brightness electroluminescent device includes a layer containing a polymer compound having one or more structural units selected from a structural unit represented by formula (1) and a structural unit represented by formula (7) as a charge injection layer and/or a charge transport layer: Wherein R, R, Rand Rrepresent certain groups; m1 and m5 represent an integer of 0 or more; when Rand Rare plurally present, they may be the same or different; and a hydrogen atom in formula (1) or (7) may be replaced with a substituent other than the certain groups.