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:
Jun. 16, 2026
Filed:
Sep. 08, 2023
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Ji-Song Jun, Gyeonggi-do, KR;
Hong-Se Oh, Gyeonggi-do, KR;
Dong-Hyung Lee, Gyeonggi-do, KR;
Sang-Hee Cho, Gyeonggi-do, KR;
Du-Yong Park, Gyeonggi-do, KR;
Hyun-Woo Kang, Gyeonggi-do, KR;
Jin-Man Kim, Gyeonggi-do, KR;
Abstract
The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of host compounds and/or an organic electroluminescent compound according to the present disclosure as an organic electroluminescent material, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be provided.