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:
May. 12, 2009
Filed:
Mar. 19, 2004
Electroluminescent device comprising a cross-linked hole transporting and electron blocking material
Applicants:
Brian Tierney, Cambridgeshire, GB;
Ilaria Grizzi, Cambridge, GB;
Clare Foden, Cambridge, GB;
Nalin Patel, Cambridge, GB;
Mark Leadbeater, Cambridge, GB;
Inventors:
Brian Tierney, Cambridgeshire, GB;
Ilaria Grizzi, Cambridge, GB;
Clare Foden, Cambridge, GB;
Nalin Patel, Cambridge, GB;
Mark Leadbeater, Cambridge, GB;
Assignee:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 35/24 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device comprising an anode, a cathode comprising barium, strontium or calcium, and a layer of organic semiconducting material between the anode and the cathode wherein a layer of hole transporting and electron blocking material is located between the anode and the layer of organic semiconducting material.