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:
Jan. 04, 2011
Filed:
Mar. 25, 2005
Tetsuzo Miki, Ibaraki, JP;
Naohiro Tarumoto, Ibaraki, JP;
Yoshio Taniguchi, Nagano, JP;
Musubu Ichikawa, Nagano, JP;
Tetsuzo Miki, Ibaraki, JP;
Naohiro Tarumoto, Ibaraki, JP;
Yoshio Taniguchi, Nagano, JP;
Musubu Ichikawa, Nagano, JP;
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides an arylamine compound having a molecular weight of from 1500 to 6000 represented by the general formula (1): According to the present invention, there can be provided an arylamine compound having excellent hole injection and transporting characteristics and being capable of forming a stable thin film. By using the compound, emission efficiency and durability of conventional organic EL devices can remarkably be improved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile