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:
Dec. 15, 2009
Filed:
Feb. 04, 2004
Applicants:
Seok-jong Lee, Suwon-si, KR;
Yong-joong Choi, Yongin-si, KR;
Inventors:
Seok-Jong Lee, Suwon-si, KR;
Yong-Joong Choi, Yongin-si, KR;
Assignee:
Samsung Mobile Display Co., Ltd., Yongin, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); C07D 235/00 (2006.01); C07D 221/02 (2006.01); C07D 401/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An emitting compound for an organic electroluminescent device, and an organic electroluminescent device using the same, supply an effective luminance, an efficient driving voltage, and color purity. The emitting compound has an imidazo-pyridine frame represented as in the following Formula 1: where Rto R, each of which is independent, refer to the functional groups recited herein.