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. 19, 2019
Filed:
Apr. 08, 2016
Sfc Co., Ltd., Cheongju, KR;
Young-hwan Park, Cheongju, KR;
Seo-Yeon Yoon, Seongnam, KR;
Jeong-Soo Kim, Hongseong, KR;
Yeon-Kwon Ryu, Cheongju, KR;
Jea-Geon Lim, Cheongju, KR;
Ji-Hwan Kim, Anyang, KR;
SFC CO., LTD., Cheongju, KR;
Abstract
Disclosed herein is an organic light-emitting diode, comprising an anode, a hole transport layer, a light-emitting layer including a host and a dopant, an electron transport layer, and a cathode in that order, wherein an electron-density-controlling layer including an anthracene derivative represented by the following Chemical Formula A is disposed between the light-emitting layer and the electron transport layer, and wherein an affinity A(eV) of the host of the light-emitting layer, an affinity A(eV) of the electron-density-controlling layer, and an affinity A(eV) of the electron transport layer satisfy an relationship of A≥A≥A.