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:
Jun. 07, 2011
Filed:
May. 17, 2005
Applicant:
Scott Watkins, Williamstown, AU;
Inventor:
Scott Watkins, Williamstown, AU;
Assignee:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); C07F 13/00 (2006.01); H01J 9/04 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device comprising an anode, a cathode, a light emissive layer located between the anode and the cathode, said light emissive layer comprising a compound for emitting light, said compound comprising a metal complex and X, said metal complex containing a metal (M) and a phosphorous atom that is coordinated directly to M, and an aryl or heteroaryl group Arthat is directly bonded to the phosphorous atom, where Aris substituted with X, and characterized in the X comprises an aryl or heteroaryl group.