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:
Jan. 19, 1988
Filed:
Feb. 11, 1987
Applicant:
Inventors:
Steven A VanSlyke, Rochester, NY (US);
Ching W Tang, Rochester, NY (US);
Luther C Roberts, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; H01J / ; H01L / ; C09K / ;
U.S. Cl.
CPC ...
428457 ; 25230116 ; 313498 ; 313504 ; 313506 ; 313507 ; 357-8 ; 4284111 ; 428461 ; 428515 ; 428917 ;
Abstract
An electroluminescent device is disclosed comprising in sequence, an anode, an organic hole injecting and transporting zone, an organic electron injecting and transporting zone, and a cathode. The organic hole injecting and transporting zone is comprised of a layer in contact with the anode containing a hole injecting porphyrinic compound and a layer containing a hole transporting aromatic tertiary amine interposed between the hole injecting layer and the electron injecting and transporting zone.
Published as:
US4720432A; EP0278758A2; JPS63295695A; EP0278758A3; CA1285638C; EP0278758B1; DE3879727D1; DE3879727T2; JP2597377B2;