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:
Jan. 16, 2007
Filed:
Jan. 04, 2005
Masahiro Deguchi, Hirataka, JP;
Masa-aki Suzuki, Osaka, JP;
Akira Taomoto, Kyotanabe, JP;
Toyokazu Ozaki, Nara, JP;
Motoshi Shibata, Nara, JP;
Masahiro Deguchi, Hirataka, JP;
Masa-aki Suzuki, Osaka, JP;
Akira Taomoto, Kyotanabe, JP;
Toyokazu Ozaki, Nara, JP;
Motoshi Shibata, Nara, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A principal object of the present invention is to provide efficiently an electron-emitting element. The electron-emitting element includes: (a) a substrate, (b) a lower electrode layer provided on the substrate, (c) an electron-emitting layer provided on the lower electrode layer, and (d) a control electrode layer so disposed as not to be in contact with the electron-emitting layer, wherein the electron-emitting layer includes an electron-emitting material for emitting electrons in an electric field, (1) the electron-emitting material being a porous body having a 3D-network structure skeleton, (2) the 3D-network structure skeleton being composed on an inner portion and a surface portion, (3) the surface portion comprising an electron-emitting component, (4) the inner portion being occupied by (i) at least one of an insulating material and a semiinsulating material, (ii) an empty space, or (iii) at least one of an insulating material and a semiinsulating material and an empty space.