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. 06, 2019
Filed:
Oct. 07, 2014
Kwansei Gakuin Educational Foundation, Nishinomiya, Hyogo, JP;
Jnc Corporation, Chiyoda-ku, Tokyo, JP;
Takuji Hatakeyama, Hyogo, JP;
Soichiro Nakatsuka, Hyogo, JP;
Kiichi Nakajima, Hyogo, JP;
Hiroki Hirai, Hyogo, JP;
Yohei Ono, Chiba, JP;
Kazushi Shiren, Chiba, JP;
Jingping Ni, Chiba, JP;
Takeshi Matsushita, Chiba, JP;
Toshiaki Ikuta, Chiba, JP;
KWANSEI GAKUIN EDUCATIONAL FOUNDATION, Nishinomiya, JP;
JNC CORPORATION, Tokyo, JP;
Abstract
A novel polycyclic aromatic compound in which plural aromatic rings are linked via boron atoms, oxygen atoms and the like is provided, and therefore, the range of selection of the material for organic electroluminescent elements can be widened. Also, an excellent organic electroluminescent element is provided by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element.