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. 14, 2010
Filed:
Mar. 06, 2008
Applicants:
Sang-hoon Park, Seongnam-si, KR;
O-hyun Kwon, Yongin-si, KR;
Woon-jung Paek, Yongin-si, KR;
Inventors:
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 63/04 (2006.01); C07D 413/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a phenylphenoxazine- or phenylphenothiazine-based compound and an organic electroluminescent device using the same. The phenylphenoxazine- or phenylphenothiazine-based compound is easily prepared, easily dissolved, and has excellent hole injection properties and excellent thermal stability. Accordingly, the compound is suitable for an organic layer of the organic electroluminescent device, specifically, a hole injection layer or a hole transport layer. In addition, the compound is suitable for an organic pigment or an electronic material, such as a nonlinear optical material.