JPH02131250U - - Google Patents
Info
- Publication number
- JPH02131250U JPH02131250U JP4081189U JP4081189U JPH02131250U JP H02131250 U JPH02131250 U JP H02131250U JP 4081189 U JP4081189 U JP 4081189U JP 4081189 U JP4081189 U JP 4081189U JP H02131250 U JPH02131250 U JP H02131250U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent display
- phosphor layer
- filament
- cover glass
- display tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 239000006059 cover glass Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第1図は本考案の第1の実施例の断面図、第2
図は本考案の第2の実施例の断面図、第3図は従
来の蛍光表示管の一例の断面図、第4図a,bは
従来の蛍光表示管の一例の電子の放出状態を示す
模式図及び蛍光体層への入射電子密度を示す特性
図、第5図a,bは従来の蛍光表示管の他の例の
電子の放出状態を示す模式図及び蛍光体層への入
射電子密度を示す特性図である。
1,1a,1b,1c,1d……導電膜、2…
…カバーガラス、3,3a,3b……導電端子、
4……陽極基板、5,5a,5b……蛍光体層、
6,6a,6b……フイラメント、7……グリツ
ド、8a,8b……リード端子、9……電子軌道
。
Fig. 1 is a sectional view of the first embodiment of the present invention;
The figure shows a sectional view of the second embodiment of the present invention, FIG. 3 shows a sectional view of an example of a conventional fluorescent display tube, and FIGS. 4a and 4b show electron emission states of an example of a conventional fluorescent display tube. A schematic diagram and a characteristic diagram showing the density of incident electrons on the phosphor layer. FIGS. FIG. 1, 1a, 1b, 1c, 1d... conductive film, 2...
...cover glass, 3, 3a, 3b...conductive terminal,
4... Anode substrate, 5, 5a, 5b... Phosphor layer,
6, 6a, 6b... filament, 7... grid, 8a, 8b... lead terminal, 9... electron orbit.
Claims (1)
制御するグリツトと、蛍光体層が塗布された陽極
と、内面に導電膜が形成されたカバーガラスとを
備えた蛍光表示管に於いて、個々に成分の異なる
導電膜を前記蛍光体層に対向して前記カバーガラ
スに複数配置した事を特徴とする蛍光表示管。 A filament that emits electrons and a filament that accelerates and
In a fluorescent display tube equipped with a grit to be controlled, an anode coated with a phosphor layer, and a cover glass with a conductive film formed on the inner surface, conductive films each having a different composition are opposed to the phosphor layer. A fluorescent display tube, characterized in that a plurality of fluorescent display tubes are arranged on the cover glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4081189U JPH02131250U (en) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4081189U JPH02131250U (en) | 1989-04-05 | 1989-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02131250U true JPH02131250U (en) | 1990-10-31 |
Family
ID=31550925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4081189U Pending JPH02131250U (en) | 1989-04-05 | 1989-04-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02131250U (en) |
-
1989
- 1989-04-05 JP JP4081189U patent/JPH02131250U/ja active Pending
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