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:
Jun. 01, 2004
Filed:
Sep. 26, 2002
Junichiro Nakayama, Kyoto, JP;
Masanobu Tanaka, Tokyo, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A plasma information display element of the present invention includes a first substrate; a second substrate opposing the first substrate; a plurality of barrier ribs provided between the first substrate and the second substrate; and a plurality of discharge channels defined by the first substrate, the second substrate and the barrier ribs. The plasma information display element further includes: an anode and a cathode provided on one side of the first substrate that is closer to the second substrate; and a protective layer provided so as to cover the anode and the cathode, wherein the protective layer is a layer that contains (220)-oriented MgO and (200)-oriented MgO.