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:
Oct. 01, 2002
Filed:
Oct. 30, 1998
Applicant:
Inventors:
Assignee:
Chemipro Kasei Kaisha, Limited, Koube, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/300 ; H05B 3/318 ;
U.S. Cl.
CPC ...
H05B 3/300 ; H05B 3/318 ;
Abstract
A multicolor organic EL element having a light emitting layer containing at least two organic dyes that can act as light emitting center (luminescence center), wherein at least one of said organic dyes is modified so as to change the colors of the light emitted from the element, and a method for manufacturing the element, and a display using the element.