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:
Nov. 05, 2019
Filed:
Aug. 02, 2012
Koji Takaku, Kanagawa, JP;
Tetsu Kitamura, Kanagawa, JP;
Wataru Sotoyama, Kanagawa, JP;
Yasunori Yonekuta, Kanagawa, JP;
Toru Watanabe, Kanagawa, JP;
Toshihiro Ise, Kanagawa, JP;
Saki Takada, Kanagawa, JP;
Koji Takaku, Kanagawa, JP;
Tetsu Kitamura, Kanagawa, JP;
Wataru Sotoyama, Kanagawa, JP;
Yasunori Yonekuta, Kanagawa, JP;
Toru Watanabe, Kanagawa, JP;
Toshihiro Ise, Kanagawa, JP;
Saki Takada, Kanagawa, JP;
UDC Ireland Limited, Dublin, IE;
Abstract
An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn, Ac, L, L, L, ring Z, u1, q1, n1, m1, A, and Aare as defined herein.