JPH0273047U - - Google Patents
Info
- Publication number
- JPH0273047U JPH0273047U JP15277588U JP15277588U JPH0273047U JP H0273047 U JPH0273047 U JP H0273047U JP 15277588 U JP15277588 U JP 15277588U JP 15277588 U JP15277588 U JP 15277588U JP H0273047 U JPH0273047 U JP H0273047U
- Authority
- JP
- Japan
- Prior art keywords
- grid
- anode
- display tube
- fluorescent display
- metal part
- 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 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000011521 glass Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図ａ，ｂは本考案の蛍光表示管の第１の実
施例のグリツドの平面図及びＡ―Ａ′線断面図、
第２図は本考案の蛍光表示管の第１の実施例のグ
リツドのメタル部の部分拡大平面図、第３図は本
考案の蛍光表示管の第２の実施例のグリツドのメ
タル部の部分拡大平面図、第４図ａ，ｂは従来の
蛍光表示管の一例のグリツドの平面図及びＢ―Ｂ
′線断面図である。
１……陽極基板、２……陽極、３……スペーサ
、４，１４……グリツド、５，１５……メツシユ
部、６，１６……メタル部、７……フイラメント
、８……フリツトガラス。
FIGS. 1a and 1b are a plan view and a sectional view taken along the line A-A' of the grid of the first embodiment of the fluorescent display tube of the present invention;
FIG. 2 is a partial enlarged plan view of the metal part of the grid of the first embodiment of the fluorescent display tube of the present invention, and FIG. 3 is a portion of the metal part of the grid of the second embodiment of the fluorescent display tube of the present invention. An enlarged plan view, FIGS. 4a and 4b are a plan view of a grid of an example of a conventional fluorescent display tube, and B-B
FIG. DESCRIPTION OF SYMBOLS 1... Anode substrate, 2... Anode, 3... Spacer, 4, 14... Grid, 5, 15... Mesh part, 6, 16... Metal part, 7... Filament, 8... Fritted glass.
Claims (1)
速制御するためのメツシユ状のグリツドと、電子
衝撃により発光する蛍光体層を塗布した陽極とを
有する蛍光表示管において、前記メツシユ状のグ
リツドの前記陽極との対向面を残した部分に切欠
きを有する平板状のメタル部を設け、該メタル部
を整形することにより、前記陽極と前記グリツド
との間隔を均一に保持するようにしたことを特徴
とする蛍光表示管。 In a fluorescent display tube having a filament as an electron emission source, a mesh-like grid for accelerating and controlling electrons, and an anode coated with a phosphor layer that emits light by electron impact, the anode of the mesh-like grid and A flat metal part having a notch is provided in a portion where the opposing surface remains, and the metal part is shaped to maintain a uniform distance between the anode and the grid. Fluorescent display tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15277588U JPH0273047U (en) | 1988-11-22 | 1988-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15277588U JPH0273047U (en) | 1988-11-22 | 1988-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273047U true JPH0273047U (en) | 1990-06-04 |
Family
ID=31428006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15277588U Pending JPH0273047U (en) | 1988-11-22 | 1988-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273047U (en) |
-
1988
- 1988-11-22 JP JP15277588U patent/JPH0273047U/ja active Pending