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Patent Searching and Data


Title:
ELECTRON EMISSION ELEMENT, ELECTRON EMISSION DEVICE, CHARGE DEVICE, IMAGE FORMING DEVICE, ELECTRON RADIATION CURING DEVICE LIGHT-EMITTING DEVICE, IMAGE DISPLAY DEVICE, BLOWER DEVICE, COOLING DEVICE, AND MANUFACTURING METHOD FOR ELECTRON EMISSION ELEMENT
Document Type and Number:
WIPO Patent Application WO/2012/077558
Kind Code:
A1
Abstract:
An electron emission element (1) comprises an electrode substrate (2) and a thin film electrode (3), and emits electrons from the thin film electrode (3) by applying voltage between the electrode substrate (2) and the thin film electrode (3). Between the electrode substrate (2) and the thin film electrode (3) at least an electron acceleration layer (4) comprising insulating microparticles (5) is provided. The electrode substrate (2) is provided with recesses and protrusions, and openings (6) are formed in the thin film electrode (3) above the protrusions of the electrode substrate (2).

Inventors:
KANEKO, Toshihiro (())
金子 俊博 (())
IWAMATSU, Tadashi (())
Application Number:
JP2011/077699
Publication Date:
June 14, 2012
Filing Date:
November 30, 2011
Export Citation:
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Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町22番22号 Osaka, 〒5458522, JP)
KANEKO, Toshihiro (())
金子 俊博 (())
International Classes:
H01J1/312; F24F7/00; G02F1/13357; G03G15/02; G21K1/00; G21K5/04; H01J9/02; H01J31/12; H01J63/06; A61L9/22
Domestic Patent References:
WO2009066723A12009-05-28
Foreign References:
JPH11144607A1999-05-28
JP2002279892A2002-09-27
JP2010257717A2010-11-11
JP2011175843A2011-09-08
JP2011222452A2011-11-04
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (Daiwa Minamimorimachi Building, 2-6 Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, 〒5300041, JP)
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Claims: