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. 25, 2013
Filed:
Dec. 19, 2011
Applicants:
Masahide Matsuura, Sodegaura, JP;
Chishio Hosokawa, Sodegaura, JP;
Toshihiro Iwakuma, Sodegaura, JP;
Keiko Yamamichi, Sodegaura, JP;
Inventors:
Masahide Matsuura, Sodegaura, JP;
Chishio Hosokawa, Sodegaura, JP;
Toshihiro Iwakuma, Sodegaura, JP;
Keiko Yamamichi, Sodegaura, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 33/26 (2010.01);
U.S. Cl.
CPC ...
Abstract
An organic EL deviceincluding a plurality of emitting layers () and () between a cathode () and () and an anode (), each of the emitting layers () and () made of a host material having a triplet energy gap of 2.52 eV or more and 3.7 eV or less, and a dopant having a light emitting property related to a triplet state, the dopant containing a metal complex with a heavy metal.