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. 09, 2022
Filed:
Aug. 25, 2017
Kwansei Gakuin Educational Foundation, Nishinomiya, JP;
SK Materials Jnc Co., Ltd., Gyeonggi-do, KR;
Takuji Hatakeyama, Sanda, JP;
Kohei Matsui, Sanda, JP;
Yusuke Watanabe, Sanda, JP;
Daisuke Baba, Ichihara, JP;
Yasuyuki Sasada, Ichihara, JP;
Motoki Yanai, Ichihara, JP;
Toshiaki Ikuta, Ichihara, JP;
Kwansei Gakuin Educational Foundation, Hyogo, JP;
SK Materials JNC Co., Ltd., Gyeonggi-do, KR;
Abstract
By providing a novel polycyclic aromatic compound in which a plurality of aromatic rings is linked via a nitrogen atom, a boron atom, or the like, options of a material for an organic EL element are increased. In addition, by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element, an excellent organic EL element is provided.