JPS64256U - - Google Patents
Info
- Publication number
- JPS64256U JPS64256U JP9413587U JP9413587U JPS64256U JP S64256 U JPS64256 U JP S64256U JP 9413587 U JP9413587 U JP 9413587U JP 9413587 U JP9413587 U JP 9413587U JP S64256 U JPS64256 U JP S64256U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent display
- cover glass
- electrons
- display tube
- filament
- 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
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の一実施例の蛍光表示管を示す
斜視図、第２図は本考案の他の実施例の蛍光表示
管を示す断面図、第３図は従来の蛍光表示管を示
す断面図、第４図ａは従来の蛍光表示管の電子の
放出状態を示す断面図、第４図ｂは第４図ａにお
ける蛍光体層への入射電子密度を示す特性図、第
５図ａは従来のより改良された蛍光表示管の電子
の放出状態を示す断面図、第５図ｂは第５図ａに
おける蛍光体層への入射電子密度を示す特性図で
ある。
１，１′……導電膜、２……カバーガラス、３
，３′……導電端子、４……陽極基板、５，５′
……蛍光体層、６……フイラメント、７……グリ
ツド、８，８′……リード端子、９……抵抗、１
０……電子軌道。
Fig. 1 is a perspective view showing a fluorescent display tube according to one embodiment of the present invention, Fig. 2 is a sectional view showing a fluorescent display tube according to another embodiment of the present invention, and Fig. 3 is a conventional fluorescent display tube. 4a is a sectional view showing the electron emission state of a conventional fluorescent display tube, FIG. 4b is a characteristic diagram showing the density of electrons incident on the phosphor layer in FIG. 4a, and FIG. 5a 5 is a cross-sectional view showing the electron emission state of a conventional and improved fluorescent display tube, and FIG. 5b is a characteristic diagram showing the density of electrons incident on the phosphor layer in FIG. 5a. 1, 1'... Conductive film, 2... Cover glass, 3
, 3'... Conductive terminal, 4... Anode substrate, 5, 5'
... Phosphor layer, 6 ... Filament, 7 ... Grid, 8, 8' ... Lead terminal, 9 ... Resistor, 1
0...electron orbit.
Claims (1)
速及び制御を行うグリツドと、絶縁性基板上に蛍
光体が塗布された陽極と、透光性の導電膜が形成
されたカバーガラスとを備えた蛍光表示管におい
て、互いに電気的に絶縁され、かつ互いに異なる
電位が与えられる複数の導電膜が前記カバーガラ
スに形成されていることを特徴とする蛍光表示管
。 A fluorescent display comprising a filament that generates electrons, a grid that accelerates and controls the electrons, an anode that has a phosphor coated on an insulating substrate, and a cover glass that has a transparent conductive film formed on it. 1. A fluorescent display tube, wherein a plurality of conductive films that are electrically insulated from each other and applied with different potentials are formed on the cover glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9413587U JPS64256U (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9413587U JPS64256U (en) | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS64256U true JPS64256U (en) | 1989-01-05 |
Family
ID=30957301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9413587U Pending JPS64256U (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS64256U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS553200A (en) * | 1978-06-22 | 1980-01-10 | Wagner Electric Corp | Fluorescent light emitting device and method of controlling light emitting display |
| JPS60163353A (en) * | 1984-02-03 | 1985-08-26 | Nec Corp | Fluorescent character display tube |
-
1987
- 1987-06-19 JP JP9413587U patent/JPS64256U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS553200A (en) * | 1978-06-22 | 1980-01-10 | Wagner Electric Corp | Fluorescent light emitting device and method of controlling light emitting display |
| JPS60163353A (en) * | 1984-02-03 | 1985-08-26 | Nec Corp | Fluorescent character display tube |
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