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:
Mar. 27, 2007
Filed:
Mar. 30, 2004
Applicants:
Lelia Cosimbescu, Rochester, NY (US);
Douglas R. Robello, Webster, NY (US);
Inventors:
Lelia Cosimbescu, Rochester, NY (US);
Douglas R. Robello, Webster, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H05B 33/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electroluminescent device comprises a cathode, an anode, and therebetween a layer containing a host material and an ethynyl compound of Formula (1):A-C≡C-B  (1)in an amount sufficient to stabilize the device wherein A and B represent independently selected fused carbocyclic ring groups.