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:
Feb. 28, 2012
Filed:
Feb. 29, 2008
Kazushi Nomura, Sagamihara, JP;
Ryoji Fujiwara, Chigasaki, JP;
Michiyo Nishimura, Sagamihara, JP;
Yoji Teramoto, Ebina, JP;
Shunsuke Murakami, Atsugi, JP;
Kazushi Nomura, Sagamihara, JP;
Ryoji Fujiwara, Chigasaki, JP;
Michiyo Nishimura, Sagamihara, JP;
Yoji Teramoto, Ebina, JP;
Shunsuke Murakami, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There is provided an electron source including: an insulating substrate; a first wiring that is arranged on the insulating substrate; a second wiring that is arranged on the insulating substrate and intersects with the first wiring; and an electron-emitting device having a cathode electrode provided with an electron-emitting member and a gate electrode arranged above the cathode electrode, which is arranged on the insulating substrate and is separated from an intersecting portion of the first wiring with the second wiring; wherein the first wiring is arranged on the second wiring via an insulating layer; the gate electrode is provided with a plurality of slit-like openings that is arranged in substantially parallel at intervals; and the opening is arranged so that an extended line in a longitudinal direction thereof intersects with the first wiring.