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:
Aug. 11, 1987
Filed:
Jan. 31, 1986
Yoshihiro Endo, Nara, JP;
Etsuo Mizukami, Nara, JP;
Hiroshi Kishishita, Nara, JP;
Hisashi Uede, Wakayama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A thin-film electroluminescent (EL) display panel comprises a thin-film EL layer, first and second dielectric layers, the thin-film EL layer being disposed between the dielectric layers, first and second metal oxide layers, and first and second electrodes, the first and second metal oxide layers being disposed respectively between the first and second dielectric layers, and the first and second electrodes. Preferably, at least one of the first and second metal oxide layers is made of Al.sub.2 O.sub.3, SiO.sub.2 or the like with a thickness of about 100-800.ANG. and at least one of the dielectric layers being about 1000-3000.ANG..