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:
Apr. 14, 2025
Filed:
Dec. 09, 2018
Samsung Display Co., Ltd., Yongin-si, KR;
Junha Park, Gwacheon-si, KR;
Jang Yeol Baek, Yongin-si, KR;
Mun-Ki Sim, Seoul, KR;
Hyoyoung Lee, Suwon-si, KR;
Soo-Byung Ko, Yongin-si, KR;
Young Kook Kim, Suwon-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the organic layers includes a fused polycyclic compound in which a dibenzoheterocyclic derivative and a monoheterocyclic derivative containing at least one nitrogen atom as a ring-forming atom are connected via a linker to form a ring, thereby showing improved emission efficiency and improved device reliability.