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:
Sep. 19, 2000
Filed:
Dec. 16, 1997
Applicant:
Inventors:
Mitsufumi Codama, Ibaraki, JP;
Tetsushi Inoue, Chiba, JP;
Kenji Nakaya, Chiba, JP;
Osamu Onitsuka, Chiba, JP;
Michio Arai, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313504 ; 313512 ; 313506 ;
Abstract
An organic EL color display which can give off color light without recourse to a plurality of light emitting layers and be fabricated at low cost is built up of an organic EL color display comprising an organic EL light emitting device for emitting bluish green light, a blue transmitting layer, a green transmitting layer, a fluorescence converting layer that absorbs bluish green light and giving off light including red light, and a red transmitting layer.