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, 2015
Filed:
Jul. 29, 2011
Applicants:
Arihiro Yashiro, Tsukuba, JP;
Hideyuki Higashimura, Tsukuba, JP;
Rui Ishikawa, Chikusei, JP;
Masanobu Tanaka, Tsukuba, JP;
Inventors:
Arihiro Yashiro, Tsukuba, JP;
Hideyuki Higashimura, Tsukuba, JP;
Rui Ishikawa, Chikusei, JP;
Masanobu Tanaka, Tsukuba, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07C 211/56 (2006.01); C07C 211/63 (2006.01); C07F 9/54 (2006.01); C07F 9/572 (2006.01); C08G 61/12 (2006.01); C07D 209/86 (2006.01); C07F 5/02 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0035 (2013.01); C07C 211/56 (2013.01); C07C 211/63 (2013.01); C07D 209/86 (2013.01); C07F 5/025 (2013.01); C07F 9/5407 (2013.01); C07F 9/5442 (2013.01); C07F 9/5456 (2013.01); C07F 9/5728 (2013.01); C08G 61/12 (2013.01); H01L 51/5056 (2013.01); C08G 2261/1424 (2013.01); C08G 2261/312 (2013.01); C08G 2261/3162 (2013.01); C08G 2261/411 (2013.01); C08G 2261/512 (2013.01); C08G 2261/91 (2013.01); C08G 2261/92 (2013.01); C08G 2261/95 (2013.01); Y02E 10/549 (2013.01);
Abstract
The present invention provides: a layered structure having a substrate and a hole injection and/or hole transport layer comprising an aromatic compound having, on a side chain, at least one type of group having a cationic center;