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:
Jun. 09, 2015
Filed:
Apr. 04, 2012
Kazuki Nishimura, Sodegaura, JP;
Toshihiro Iwakuma, Sodegaura, JP;
Kenichi Fukuoka, Sodegaura, JP;
Chishio Hosokawa, Sodegaura, JP;
Jun Endo, Sodegaura, JP;
Nobuhiro Yabunouchi, Sodegaura, JP;
Hiroshi Yamamoto, Sodegaura, JP;
Kazuki Nishimura, Sodegaura, JP;
Toshihiro Iwakuma, Sodegaura, JP;
Kenichi Fukuoka, Sodegaura, JP;
Chishio Hosokawa, Sodegaura, JP;
Jun Endo, Sodegaura, JP;
Nobuhiro Yabunouchi, Sodegaura, JP;
Hiroshi Yamamoto, Sodegaura, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer. The host contains a substituted or unsubstituted polycyclic fused aromatic skeleton.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile