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. 24, 2014
Filed:
Feb. 23, 2011
Kanako Hirata, Osaka, JP;
Hiroyuki Hirakawa, Osaka, JP;
Ayae Nagaoka, Osaka, JP;
Yasuo Imura, Osaka, JP;
Tadashi Iwamatsu, Osaka, JP;
Kanako Hirata, Osaka, JP;
Hiroyuki Hirakawa, Osaka, JP;
Ayae Nagaoka, Osaka, JP;
Yasuo Imura, Osaka, JP;
Tadashi Iwamatsu, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Abstract
The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode and composed of insulating fine particles; and a second electrode formed on the insulating fine particle layer, wherein the insulating fine particle layer is provided with recesses formed in a surface thereof, the surface facing the second electrode, the recesses each having a depth smaller than a thickness of the insulating fine particle layer, and when a voltage is applied between the first electrode and the second electrode, electrons provided from the first electrode are accelerated in the insulating fine particle layer to be emitted though the second electrode.