JPH01172258U - - Google Patents
Info
- Publication number
- JPH01172258U JPH01172258U JP6878888U JP6878888U JPH01172258U JP H01172258 U JPH01172258 U JP H01172258U JP 6878888 U JP6878888 U JP 6878888U JP 6878888 U JP6878888 U JP 6878888U JP H01172258 U JPH01172258 U JP H01172258U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- base
- insulating layer
- indirectly heated
- light emitting
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の第１実施例を示す平面図、第
２図は第１図における右側面図、第３図は第１図
の―切断線における断面図、第４図は本考案
の第２実施例を示す側面図、第５図は従来の蛍光
表示管における傍熱形線状陰極の実装構造を説明
する図、第６図ａ，ｂは同じく従来の傍熱形線状
陰極の他の実装構造を説明する図である。
１０，２０…傍熱形線状陰極（陰極）、１１…
ヒータ芯線、１２…電気絶縁層、１３…陰極基体
、１４…熱電子放出物質層、１７ｂ…外部リード
、２０，３０…金属細線コイル（コイル）。
Fig. 1 is a plan view showing the first embodiment of the present invention, Fig. 2 is a right side view in Fig. 1, Fig. 3 is a sectional view taken along the cutting line - - of Fig. 1, and Fig. 4 is a plan view of the present invention. A side view showing the second embodiment, FIG. 5 is a diagram illustrating the mounting structure of an indirectly heated linear cathode in a conventional fluorescent display tube, and FIGS. FIG. 7 is a diagram illustrating another mounting structure. 10, 20...Indirectly heated linear cathode (cathode), 11...
Heater core wire, 12... Electric insulating layer, 13... Cathode base, 14... Thermionic emission material layer, 17b... External lead, 20, 30... Metal thin wire coil (coil).
Claims (1)
電気絶縁層と、該電気絶縁層の表面に形成した陰
極基体と、該陰極基体の表面に形成した熱電子放
出物質層とからなる傍熱形線状陰極が張設された
真空蛍光発光装置において、前記傍熱形線状陰極
の少なくとも一方の端部近傍の陰極基体が両端を
固定した金属細線コイルに取付けられ、該金属細
線コイルを介して陰極基体が外部リードに導通さ
れていることを特徴とする真空蛍光発光装置。 An indirectly heated wire consisting of a heater core wire, an electrical insulating layer formed on the surface of the heater core wire, a cathode base formed on the surface of the electrical insulating layer, and a thermionic emission material layer formed on the surface of the cathode base. In a vacuum fluorescent light emitting device in which a shaped cathode is stretched, the cathode base near at least one end of the indirectly heated linear cathode is attached to a thin metal wire coil having both ends fixed, and the cathode is connected to the cathode through the thin metal wire coil. A vacuum fluorescent light emitting device characterized in that a base is electrically connected to an external lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6878888U JPH01172258U (en) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6878888U JPH01172258U (en) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172258U true JPH01172258U (en) | 1989-12-06 |
Family
ID=31294091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6878888U Pending JPH01172258U (en) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106847A (en) * | 1990-08-27 | 1992-04-08 | Ise Electronics Corp | Light source tube for imaging apparatus |
-
1988
- 1988-05-26 JP JP6878888U patent/JPH01172258U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106847A (en) * | 1990-08-27 | 1992-04-08 | Ise Electronics Corp | Light source tube for imaging apparatus |