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. 03, 2026
Filed:
Dec. 06, 2022
Applicant:
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Inventors:
Doo-Hyeon Moon, Gyeonggi-do, KR;
Sung-Woo Jang, Gyeonggi-do, KR;
Mi-Ja Lee, Gyeonggi-do, KR;
Kyoung-Jin Park, Gyeonggi-do, KR;
Du-Yong Park, Gyeonggi-do, KR;
Hyo-Soon Park, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 471/04 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 471/04 (2013.01); C09K 11/06 (2013.01); H10K 85/654 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02);
Abstract
A plurality of host materials containing at least one first host compound and at least one second host compound provides an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.
Quick Actions:
Moon, Doo-Hyeon. (2026). Plurality of host materials and organic electroluminescent device comprising the same (U.S. Patent No. 12787643). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12787643
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile