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Title:
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, SELF-LUMINOUS DEVICE, IMAGE DISPLAY, BLOWER, COOLING DEVICE, CHARGING DEVICE, IMAGE FORMING DEVICE, ELECTRON BEAM CURING DEVICE, AND METHOD FOR MANUFACTURING ELECTRON EMITTING ELEMENT
Document Type and Number:
Japanese Patent JP2010267490
Kind Code:
A
Abstract:

To provide an electron emitting element which is improved in electron emission efficiency, for suppressing deterioration of an electron acceleration layer, and has a high mechanical strength.

The electron emitting element 1 includes the electron acceleration layer 4 between an electrode substrate 2 and a thin film electrode 3, and the electron acceleration layer 4 contains a binder component 15 in which insulating particulates 5 and conductive particulates 6 having the average particle diameter smaller than the average particle diameter of the insulating particulates 5 are dispersed. Then, in the electron acceleration layer 4, conductive particulates 6 are dispersed more on the thin film electrode 3 side.


Inventors:
NAGAOKA AYAE
HIRAKAWA HIROYUKI
IWAMATSU TADASHI
IMURA YASURO
Application Number:
JP2009117862A
Publication Date:
November 25, 2010
Filing Date:
May 14, 2009
Export Citation:
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Assignee:
SHARP KK
International Classes:
H01J1/312; B01J19/12; G03G15/02; H01J7/24; H01J9/02; H01J31/12
Domestic Patent References:
JPH01298623A1989-12-01
JPH08315722A1996-11-29
JPH11297190A1999-10-29
JP2001332168A2001-11-30
JP2002279892A2002-09-27
JP2005209396A2005-08-04
JP2004327084A2004-11-18
JP2005326080A2005-11-24
Attorney, Agent or Firm:
Kenzo Hara International Patent Office