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:
Sep. 20, 2011
Filed:
Oct. 31, 2007
Seok-hwan Hwang, Suwon-si, KR;
Young-kook Kim, Suwon-si, KR;
Chang-ho Lee, Suwon-si, KR;
Seok-jong Lee, Suwon-si, KR;
Seung-gak Yang, Suwon-si, KR;
Hee-yeon Kim, Suwon-si, KR;
Seok-Hwan Hwang, Suwon-si, KR;
Young-Kook Kim, Suwon-si, KR;
Chang-Ho Lee, Suwon-si, KR;
Seok-Jong Lee, Suwon-si, KR;
Seung-Gak Yang, Suwon-si, KR;
Hee-Yeon Kim, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Giheung-Gu, Yongin, Gyunggi-Do, KR;
Abstract
A phenylcarbazole-based compound is represented by Formula 1, and has superior electric properties and charge transport abilities, and thus is useful as a hole injection material, a hole transport material, and/or an emitting material which is suitable for fluorescent and phosphorescent devices of all colors, including red, green, blue, and white colors. The phenylcarbazole-based compound is synthesized by reacting carbazole with diamine. The organic electroluminescent device manufactured using the phenylcarbazole-based compound has high efficiency, low voltage, high luminance, and a long lifespan.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile