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:
Mar. 12, 2013
Filed:
Apr. 05, 2008
Applicants:
Kwang Choon Chung, Gyeonggi-do, KR;
Hyun-nam Cho, Gyeonggi-do, KR;
Ik-kyu Park, Gyeonggi-do, KR;
Ji-hoon Yoo, Gyeonggi-do, KR;
Ae-ran Hyun, Seoul, KR;
Yun-ho Jung, Gyeonggi-do, KR;
Inventors:
Kwang Choon Chung, Gyeonggi-do, KR;
Hyun-Nam Cho, Gyeonggi-do, KR;
Ik-Kyu Park, Gyeonggi-do, KR;
Ji-Hoon Yoo, Gyeonggi-do, KR;
Ae-Ran Hyun, Seoul, KR;
Yun-Ho Jung, Gyeonggi-do, KR;
Assignee:
Inktec Co., Ltd., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to new phosphaphenanthrene compounds with excellent light emitting property and an organic light emitting diode (OLED) using the same.