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:
Dec. 20, 2022
Filed:
Jul. 11, 2018
Sfc Co., Ltd., Cheongju-si, KR;
Soon-Wook Cha, Cheongju-si, KR;
Sang-Woo Park, Cheongju-si, KR;
Jung-Ho Yoo, Cheongju-si, KR;
Yoona Shin, Cheongju-si, KR;
Yu-Rim Lee, Cheongju-si, KR;
Sung Woo Kim, Cheongju-si, KR;
Jiwon Lee, Cheongju-si, KR;
SFC CO., LTD., Cheongju-si, KR;
Abstract
The present invention relates to an organic light emitting diode comprising: a first electrode; a second electrode facing the first electrode; a hole injecting layer or a hole transport layer, which is interposed between the first electrode and the second electrode; and a light emitting layer, wherein the hole injecting layer or the hole transport layer comprises at least one type of amine compound represented by chemical formula A or chemical formula B, and the chemical formula A and the chemical formula B are the same as those included in the description of the invention.