FIELD EMISSION TYPE ELECTRON SOURCE ELEMENT, ELECTRON GUN AND CATHODE-RAY TUBE DEVICE USING THEM

Title:

FIELD EMISSION TYPE ELECTRON SOURCE ELEMENT, ELECTRON GUN AND CATHODE-RAY TUBE DEVICE USING THEM

Document Type and Number:

Japanese Patent JP2003016914

Kind Code:

A

Abstract:

To provide a field emission type electron source element for high performance color picture tube to which high resolution is required.

An electrode structure having a convergence effect is arranged proximity to the vicinity of an extraction electrode of a cold cathode electron source array part, whereby the convergence effect of emitted electron beams is enhanced to provide a satisfactory low-emittance characteristic. Consequently, an electron gun or display device having a high resolution characteristic can be realized.

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Inventors:

KOGA KEISUKE
KAWASE TORU
MURAI RYUICHI
YAMAUCHI MASAHIDE
FUJII KOJI
ITO TAKASHI

Application Number:

JP2001201633A

Publication Date:

January 17, 2003

Filing Date:

July 03, 2001

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD

International Classes:

H01J3/07; H01J1/304; H01J29/04; H01J29/48; H01J31/12; (IPC1-7): H01J1/304; H01J3/07; H01J29/04; H01J29/48; H01J31/12

Domestic Patent References:

JPH09512381A	1997-12-09
JPH06223706A	1994-08-12
JPH07192652A	1995-07-28
JPH09115426A	1997-05-02

Attorney, Agent or Firm:

Fumio Iwahashi (2 others)

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