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. 03, 1990
Filed:
Dec. 02, 1988
Kenji Kameyama, Yokohama, JP;
Seiichi Oseto, Yokohama, JP;
Yoshiyuki Kageyama, Yokohama, JP;
Hiroshi Deguchi, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electroluminescence multi-color display device in which two electroluminescence panels each comprising an electrode layer, an insulation layer and a luminescence layer laminated on a glass substrate so as to enable dot matrix display are appended to each other so that each of the glass substrates is situated to the outer side, wherein a film-like insulation member having a strip-like pattern made of electroconductive material formed on one surface thereof is used as a lead electrode for each of said electroluminescence panels and said lead electrode is used as a spacer between the two electroluminescence panels.