Title:
IMAGE DISPLAY AND SPACER STRUCTURAL BODY PRODUCING METHOD
Document Type and Number:
WIPO Patent Application WO/2005/031786
Kind Code:
A1
Abstract:
An image display having a spacer structural body (22) between a first substrate (10) provided with a phosphor screen and a second substrate (12) provided with electron emission sources (18) so as to prevent damage to and contamination of the spacer and to enhance the breakdown voltage characteristic and display definition. The structural body (22) has a plate-shaped grid (24) opposed to the first and second substrates (10, 12) and having electron beam passing holes (26) opposed to the respective electron emission sources (18) and spacers (30) erected at least on one side of the grid (24). The spacer (30) has large-diameter first stages and small-diameter second stages alternated and extended from the grid (24) toward the extension end.
Inventors:
TAKAHASHI KEN (JP)
ISHIKAWA SATOSHI (JP)
NIKAIDO MASARU (JP)
ISHIKAWA SATOSHI (JP)
NIKAIDO MASARU (JP)
Application Number:
PCT/JP2004/013546
Publication Date:
April 07, 2005
Filing Date:
September 16, 2004
Export Citation:
Assignee:
TOSHIBA KK (JP)
TAKAHASHI KEN (JP)
ISHIKAWA SATOSHI (JP)
NIKAIDO MASARU (JP)
TAKAHASHI KEN (JP)
ISHIKAWA SATOSHI (JP)
NIKAIDO MASARU (JP)
International Classes:
H01J9/18; H01J9/24; H01J29/02; H01J29/86; H01J29/87; H01J31/12; (IPC1-7): H01J31/12; H01J9/24; H01J29/87
Foreign References:
| JP2003217479A | 2003-07-31 | |||
| JP2000311607A | 2000-11-07 | |||
| JP2003031125A | 2003-01-31 | |||
| JP2001266775A | 2001-09-28 |
Attorney, Agent or Firm:
Suzuye, Takehiko c/o SUZUYE & SUZUYE (7-2 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, JP)
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