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:
Jan. 04, 2005
Filed:
Aug. 01, 2002
Applicants:
Chao-nan Kuo, Hsinchu Industrial Park, TW;
Mei-jung HU, Hsinchu Industrial Park, TW;
Sung-kuei Chiang, Hsinchu Industrial Park, TW;
Inventors:
Chao-Nan Kuo, Hsinchu Industrial Park, TW;
Mei-Jung Hu, Hsinchu Industrial Park, TW;
Sung-Kuei Chiang, Hsinchu Industrial Park, TW;
Assignee:
Ritek Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1102 ; C09K 1106 ;
U.S. Cl.
CPC ...
Abstract
A phosphorescent light emitting material, the material is a complex compound comprises a beta-diketonate ligand, a sulfoxide ligand and a triple charge rare earth group metal ion, the phosphorescent light emitting material has a following structure: