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:
Nov. 18, 2008
Filed:
Jan. 13, 2005
Applicant:
Yoshitaka Kitamura, Kanagawa, JP;
Inventor:
Yoshitaka Kitamura, Kanagawa, JP;
Assignee:
Fujifilm Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01J 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a light emitting element comprising a pair of electrodes and one or more organic compound layers including a luminescent layer disposed between the pair of electrodes. In this structure, the luminescent layer includes at least one charge transport material and at least one light emitting material, and comprises a laminated structure having two or more laminates including a plurality of layers including the light emitting material in different concentrations.