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:
Nov. 04, 2025
Filed:
Jul. 12, 2022
Sfc Co., Ltd, Cheongju-si, KR;
Sung-Hoon Joo, Cheongju-si, KR;
Bong-Ki Shin, Cheongju-si, KR;
Ji-Hwan Kim, Cheongju-si, KR;
Kyung-Hwa Park, Cheongju-si, KR;
Hyeon-Jun Jo, Cheongju-si, KR;
Seong-Eun Woo, Cheongju-si, KR;
Sung-Eun Choi, Cheongju-si, KR;
Soo-Kyung Kang, Cheongju-si, KR;
SFC CO., LTD, Cheongju-si, KR;
Abstract
Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.