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. 12, 2018
Filed:
Sep. 27, 2013
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Yumiko Mizuki, Sodegaura, JP;
Nobuhiro Yabunouchi, Sodegaura, JP;
Takushi Shiomi, Sodegaura, JP;
Kazuki Nishimura, Sodegaura, JP;
Mitsuru Eida, Sodegaura, JP;
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Abstract
A material for organic electroluminescence device including a specific compound having a specific group in the central skeleton and an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer includes a light emitting layer and at least one layer of the organic thin film layer includes the material for organic electroluminescence device. The organic electroluminescence device has a long lifetime and the material for organic electroluminescence device realizes such a device.