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:
Mar. 09, 2021
Filed:
Oct. 23, 2018
Samsung Display Co., Ltd., Yongin-si, KR;
Dongkyu Seo, Suwon-si, KR;
Dongchan Kim, Gunpo-si, KR;
Jiyoung Moon, Gwangju-si, KR;
Yeongrong Park, Osan-si, KR;
Myungchul Yeo, Asan-si, KR;
Jihye Lee, Incheon, KR;
Hyungseok Jang, Hwaseong-si, KR;
Wonjong Kim, Suwon-si, KR;
Yoonhyeung Cho, Gyeonggi-do, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element.