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. 04, 2017
Filed:
Jun. 26, 2015
Rohm and Haas Electronic Materials Korea Ltd., Cheonan, KR;
Hee-Ryong Kang, Seoul, KR;
Hyun-Ju Kang, Gwangmyeong, KR;
Doo-Hyeon Moon, Hwaseong, KR;
Young-Mook Lim, Cheonan, KR;
Bitnari Kim, Cheonan, KR;
Nam-Kyun Kim, Yongin, KR;
Rohm and Haas Electronic Materials Korea Ltd., Cheonan-si, KR;
Abstract
The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present invention has high luminous efficiency, and thus can be used as a host in a light-emitting layer; and an organic electroluminescent device comprising the organic electroluminescent compounds of the present invention has long operating lifespan, provides improved current efficiency and power efficiency, and gives colors having high purity.