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:
Sep. 17, 2024
Filed:
Sep. 28, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Jungsub Lee, Hwaseong-si, KR;
Hyunyoung Kim, Yongin-si, KR;
Jiyoung Lee, Hwaseong-si, KR;
Hyejin Jung, Hwaseong-si, KR;
Minje Kim, Suwon-si, KR;
Eung Do Kim, Seoul, KR;
Hyojeong Kim, Hwaseong-si, KR;
Hyosup Shin, Hwaseong-si, KR;
Seokgyu Yoon, Hwaseong-si, KR;
Youngki Lee, Asan-si, KR;
Kunwook Cho, Seoul, KR;
Hyeon Gu Cho, Yongin-si, KR;
Minsoo Choi, Seoul, KR;
Youngeun Choi, Jeonju-si, KR;
Hyein Jeong, Suwon-si, KR;
Jaejin Lyu, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4: Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.