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:
Apr. 05, 2016
Filed:
Dec. 05, 2012
Yumiko Mizuki, Chiba, JP;
Mitsunori Ito, Chiba, JP;
Tetsuya Inoue, Chiba, JP;
Kumiko Hibino, Chiba, JP;
Kazuki Nishimura, Chiba, JP;
Kei Yoshida, Chiba, JP;
Yumiko Mizuki, Chiba, JP;
Mitsunori Ito, Chiba, JP;
Tetsuya Inoue, Chiba, JP;
Kumiko Hibino, Chiba, JP;
Kazuki Nishimura, Chiba, JP;
Kei Yoshida, Chiba, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
A material for organic electroluminescence device having a specific central skeleton to which a cyano-substituted aromatic hydrocarbon group or a cyano-substituted heterocyclic group is bonded at its specific position is described. Further described is an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer include an light emitting layer and at least one layer of the organic thin film layer contains the material for organic electroluminescence device. The material for organic electroluminescence device realizes an organic electroluminescence device with good emission efficiency.