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:
Jul. 30, 2024
Filed:
May. 09, 2019
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Bitnari Kim, Gyeonggi-do, KR;
Su-Hyun Lee, Gyeonggi-do, KR;
Doo-Hyeon Moon, Gyeonggi-do, KR;
Hyo-Soon Park, Gyeonggi-do, KR;
Tae-Jun Han, Gyeonggi-do, KR;
Sang-Hee Cho, Gyeonggi-do, KR;
Abstract
The present disclosure relates to a plurality of host materials comprising a compound represented by formula 1 and a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials comprising a specific combination of compounds, it is possible to provide an organic electroluminescent device having long lifespan characteristics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile