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. 10, 2005
Filed:
Nov. 22, 2000
Applicants:
Christopher G. Nice, Histon, GB;
Christopher J. Bright, St Ives. Huntingdon, GB;
Inventors:
Christopher G. Nice, Histon, GB;
Christopher J. Bright, St Ives. Huntingdon, GB;
Assignee:
Cambridge Display Technology Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J001/62 ; H01J063/04 ;
U.S. Cl.
CPC ...
Abstract
The use of a mixture comprising reactive oxygen species and reactive fluorine and/or chlorine species in the production of an organic light-emissive device, comprising an organic light emissive region provided between two electrodes such that charge carriers can move between the electrodes and the organic light emissive region, for etching the organic light-emissive region.