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. 12, 2023
Filed:
Apr. 16, 2020
Lg Display Co., Ltd., Seoul, KR;
Heejun Park, Paju-si, KR;
Jeongdae Seo, Incheon, KR;
Seonkeun Yoo, Gunpo-si, KR;
Soyoung Jang, Seoul, KR;
Sunghoon Kim, Seoul, KR;
Sang-Hoon Hong, Seoul, KR;
Seong-Min Park, Seoul, KR;
Tae Wan Lee, Seoul, KR;
Sunjae Kim, Goyang-si, KR;
Dong Hun Lee, Seoul, KR;
Jeonghoe Heo, Seoul, KR;
Gwangyong Kim, Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.