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:
Apr. 25, 1995
Filed:
Feb. 24, 1994
Applicant:
Inventors:
Ching W Tang, Rochester, NY (US);
Charles H Weidner, Ontario, NY (US);
Dustin L Comfort, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
428690 ; 428691 ; 428917 ; 313501 ; 313504 ; 313506 ;
Abstract
Disclosed is a red-emitting organic electroluminescent device comprising in sequence an anode, an organic hole injecting and transporting zone, a doped luminescent zone, an electron transport zone and a cathode, characterized in that said doped luminescent zone is comprised of a fluorescent phthalocyanine compound capable of emitting a wavelength in the range of 660 to 780 nm.