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Title:
COLD CATHODE ELECTRON SOURCE AND MANUFACTURING METHOD THEREFOR AND LIGHT-EMITTING DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2013016504
Kind Code:
A
Abstract:

To provide a cold cathode electron source having a low emission start electrical field, and capable of obtaining a sufficient emission current.

In the cold cathode electron source having a cathode electrode and an electron emission part formed thereon, an activated metal oxide is used in the electron emission part. The part contributive to emission is formed anew in the metal oxide, and the part not contributive to emission or having an adverse effect is removed by the activation.


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Inventors:
TAKAI MIKIO
FUKUYAMA CHIEKO
TAKAOKA YOICHI
KAMISHIRO YOSHIMASA
TAKIMOTO MASATO
Application Number:
JP2012196274A
Publication Date:
January 24, 2013
Filing Date:
September 06, 2012
Export Citation:
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Assignee:
ISHIHARA SANGYO KAISHA
International Classes:
H01J1/304; H01J9/02; H01J31/12; H01J63/06
Domestic Patent References:
JP2006210049A2006-08-10
JP2004288561A2004-10-14
JP2000123714A2000-04-28
JP2006210162A2006-08-10
JP2006054087A2006-02-23
JP2001096499A2001-04-10
JP2001038804A2001-02-13
JP2006210049A2006-08-10
JP2004288561A2004-10-14
Foreign References:
WO2005014889A22005-02-17
Attorney, Agent or Firm:
Asamura patent office



 
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