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. 11, 2011
Filed:
Dec. 28, 2007
Applicants:
Yun Chi, Hsinchu, TW;
Pi-tai Chou, Taipei, TW;
Sheng-yuan Chang, Hsinchu, TW;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); H05B 33/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a platinum complex as the following formula (I): wherein X, n, R, R, R,R, R, X, X, L, and Lare defined the same as the specification. The present invention also further provides an organic light-emitting device using the same. The complexes of the present invention exhibit enhanced emission quantum yields, and short phosphorescence radiative lifetimes in the range of several microseconds so as to be applied in high efficiency OLEDs.