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:
Aug. 29, 2017
Filed:
Feb. 01, 2012
Applicants:
Sayaka Mizutani, Ibaraki, JP;
Takayasu Sado, Chiba, JP;
Hiroki Ishida, Chiba, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); C07D 235/18 (2006.01); C07D 235/26 (2006.01); C07D 239/36 (2006.01); C07D 403/10 (2006.01); C07D 403/14 (2006.01); C07D 471/04 (2006.01); C07D 487/04 (2006.01); C07D 513/04 (2006.01); C07D 401/04 (2006.01); C07D 235/02 (2006.01); C07D 401/10 (2006.01); C07D 403/04 (2006.01); C07D 405/10 (2006.01); C07D 239/70 (2006.01); C07D 417/04 (2006.01); C07D 473/28 (2006.01); C07D 487/06 (2006.01); C07D 493/04 (2006.01); C07F 5/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 235/02 (2013.01); C07D 235/18 (2013.01); C07D 235/26 (2013.01); C07D 239/36 (2013.01); C07D 239/70 (2013.01); C07D 401/04 (2013.01); C07D 401/10 (2013.01); C07D 403/04 (2013.01); C07D 403/10 (2013.01); C07D 403/14 (2013.01); C07D 405/10 (2013.01); C07D 417/04 (2013.01); C07D 471/04 (2013.01); C07D 473/28 (2013.01); C07D 487/04 (2013.01); C07D 487/06 (2013.01); C07D 493/04 (2013.01); C07D 513/04 (2013.01); C07F 5/02 (2013.01); C07F 5/025 (2013.01); H01L 51/0052 (2013.01); H01L 51/0053 (2013.01); H01L 51/0054 (2013.01); H01L 51/0067 (2013.01); H01L 51/0073 (2013.01); H01L 51/5072 (2013.01); H01L 51/5076 (2013.01);
Abstract
A specific nitrogen-containing heterocyclic compound having a urea structure, an electron transporting material containing the nitrogen-containing heterocyclic compound, and an organic electroluminescence device including a light emitting layer and an electron transporting layer between a cathode and an anode in which the electron transporting layer includes the electron transporting material or the nitrogen-containing heterocyclic derivative. An organic EL device exhibiting high emission efficiency even at low voltage and a material for organic EL devices are described.