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:
Nov. 11, 2014
Filed:
May. 16, 2005
Michael Frampton, Oxfordshire, GB;
Sophie Heidenhain, Cambourne, GB;
Annette Steudel, Cambridge, GB;
Jonthan N. G. Pillow, Cambridge, GB;
Scott Watkins, Williamstown, AU;
Nigel Male, Cambridge, GB;
Michael Frampton, Oxfordshire, GB;
Sophie Heidenhain, Cambourne, GB;
Annette Steudel, Cambridge, GB;
Jonthan N. G. Pillow, Cambridge, GB;
Scott Watkins, Williamstown, AU;
Nigel Male, Cambridge, GB;
CDT Oxford Ltd., Cambridgeshire, GB;
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 charged metal complex for emitting light and a counterion or counterions with sufficient charge to balance the change on the charged metal complex; characterized in that the counterion or counterions are substantially immobile so (that light output from the device is immediate, provided that the combined charged metal complex and counterion do not have General Formula: (I) or (II); where C—N is a cyclometallated liquid.