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. 01, 2009
Filed:
Mar. 16, 2006
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;
Jung-han Shin, 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;
Jung-Han Shin, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
A difluoropyridine-based compound includes at least one difluoropyridine group in its molecule. The difluoropyridine-based compound may be used as an electron injection material, an electron transport material, or a hole blocking material in full-color fluorescent or phosphorescent devices. The difluoropyridine-based compound has good electrical characteristics and a high charge transport capability. The difluoropyridine-based compound may be used to produce an organic electroluminescent device with high efficiency, low voltage, improved brightness, and a long life expectancy.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile