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:
Aug. 20, 2013
Filed:
Mar. 27, 2008
Applicants:
Kyong Min Kang, Pyeongtaek-si, KR;
Deug Sang Lee, Pyeongtaek-si, KR;
Chang Jun Lee, Bucheon-si, KR;
Kyoung Moon Go, Pyeongtaek-si, KR;
Jong Soon Lee, Gwangmyeong-si, KR;
SE Hoon Kim, Pyeongtaek-si, KR;
Inventors:
Kyong Min Kang, Pyeongtaek-si, KR;
Deug Sang Lee, Pyeongtaek-si, KR;
Chang Jun Lee, Bucheon-si, KR;
Kyoung Moon Go, Pyeongtaek-si, KR;
Jong Soon Lee, Gwangmyeong-si, KR;
Se Hoon Kim, Pyeongtaek-si, KR;
Assignee:
Dongwoo Fine-Chem, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
Naphthylcarbazole derivatives are provided. The naphthylcarbazole derivatives are represented by Formula 1. Further provided are KL host materials, organic electroluminescent devices employing the host materials, and displays and lighting systems comprising the devices.