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:
May. 13, 2008
Filed:
Mar. 30, 2004
Yoshinobu Hirokado, Tokyo, JP;
Yoshinobu Hirokado, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A cold cathode light emitting device includes a plurality of first electrodes, a plurality of insulating layers, a plurality of second electrodes and a third electrode. The insulating layers are laminated on the first electrodes. The second electrodes are provided on the insulating layers to intersect the first electrodes. The third electrode emits light upon receipt of electrons. At least one hole is provided at intersections of the first electrodes and second electrodes. The hole has a first diameter d1 at a position where the insulating layers are in contact with the first electrodes and a second diameter d2 at a position where the insulating layers are in contact with the second electrodes, where d1 is smaller than d2. A nanofiber-structure layer is formed on the first electrodes in an opening portion having the first diameter d1, provided in the at least one hole on the side of the first electrodes.