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. 14, 2022
Filed:
Apr. 27, 2016
Konica Minolta, Inc., Tokyo, JP;
Yasuo Miyata, Kanagawa, JP;
Taketo Namikawa, Tokyo, JP;
Takayuki Iijima, Shizuoka, JP;
Ryutaro Sugawara, Tokyo, JP;
Tetsuya Yamada, Kanagawa, JP;
Takatugu Suzuki, Tokyo, JP;
MERCK PATENT GMBH, Darmstadt, DE;
Abstract
In order to provide a novel π-conjugated compound capable of increasing the light-emission efficiency of an organic electroluminescence element, for example, this π-conjugated compound has a structure indicated by general formula (1). (In general formula (1): Z-Zeach independently indicate a hydrogen atom, a deuterium atom, an electron-donating group D, or an electron-withdrawing group A; at least out of two among Z-Zis an electron-donating group D and the other is an electron-withdrawing group A; and at least one ortho position combination Zand Z, Zand Z, Zand Z, Zand Z, Zand Z, or Zand Zamong Z-Zis one combination out of an electron-donating group D and an electron-donating group D, an electron-withdrawing group A and an electron-withdrawing group A, or an electron-donating group D and an electron-withdrawing group A.)