JPH02131253U - - Google Patents
Info
- Publication number
- JPH02131253U JPH02131253U JP4081289U JP4081289U JPH02131253U JP H02131253 U JPH02131253 U JP H02131253U JP 4081289 U JP4081289 U JP 4081289U JP 4081289 U JP4081289 U JP 4081289U JP H02131253 U JPH02131253 U JP H02131253U
- Authority
- JP
- Japan
- Prior art keywords
- insulating substrate
- filament
- glass
- anode
- fluorescent display
- 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
- 239000000758 substrate Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000006059 cover glass Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の一実施例の要部横断面図、第
２図は、第１図のＡ−Ａ′線断面図、第３図はフ
イラメント支持体の補強方法を示す従来の蛍光表
示管の一例の要部横断面図、第４図は従来の蛍光
表示管のフイラメント支持体の熱変形の一例を示
す断面図である。
１……絶縁基板、２……低融点ガラス、３……
フイラメント、４……グリツド、５……陽極、６
……蛍光体層、７，１７……フイラメント支持体
、８……カバーガラス、９……ガラス支柱、１０
……ゲツタ、１１……突起、Ｈ……フイラメント
−グリツド間ギヤツプ、Ｈ１……端部ギヤツプ、
Ｈ２……中央部ギヤツプ。
FIG. 1 is a cross-sectional view of a main part of an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line A-A' in FIG. 1, and FIG. 3 is a conventional fluorescent display showing a method for reinforcing a filament support. FIG. 4 is a sectional view showing an example of thermal deformation of a filament support of a conventional fluorescent display tube. 1...Insulating substrate, 2...Low melting point glass, 3...
Filament, 4... Grid, 5... Anode, 6
... Phosphor layer, 7, 17 ... Filament support, 8 ... Cover glass, 9 ... Glass support, 10
... getter, 11 ... protrusion, H ... filament-grid gap, H 1 ... end gap,
H2 ...Central gap.
Claims (1)
層を被覆した陽極と、該陽極に間隔をおいて張ら
れたフイラメントと、該フイラメントを支持固定
するフイラメント支持体と、前記陽極と前記フイ
ラメントの中間に配置されたグリツドと、前記絶
縁基板に封着され真空容器を構成するカバーガラ
スとを有する蛍光表示管において、前記絶縁基板
とカバーガラス間に両端に低融点ガラスを塗布し
たガラス支柱を設け前記絶縁基板と少くとも１個
の前記ガラス支柱でフイラメント支持体を固定し
たことを特徴とする蛍光表示管。 an insulating substrate, an anode provided on the insulating substrate and coated with a phosphor layer, a filament stretched on the anode at intervals, a filament support for supporting and fixing the filament, the anode and the filament. In a fluorescent display tube having a grid disposed in the middle thereof, and a cover glass sealed to the insulating substrate and forming a vacuum vessel, a glass column having low melting point glass coated at both ends is provided between the insulating substrate and the cover glass. A fluorescent display tube, characterized in that a filament support is fixed to the insulating substrate and at least one of the glass columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4081289U JPH02131253U (en) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4081289U JPH02131253U (en) | 1989-04-05 | 1989-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131253U true JPH02131253U (en) | 1990-10-31 |
Family
ID=31550927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4081289U Pending JPH02131253U (en) | 1989-04-05 | 1989-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686254U (en) * | 1993-05-27 | 1994-12-13 | 双葉電子工業株式会社 | Fluorescent tube |
-
1989
- 1989-04-05 JP JP4081289U patent/JPH02131253U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686254U (en) * | 1993-05-27 | 1994-12-13 | 双葉電子工業株式会社 | Fluorescent tube |