JPH02150654U - - Google Patents
Info
- Publication number
- JPH02150654U JPH02150654U JP5951189U JP5951189U JPH02150654U JP H02150654 U JPH02150654 U JP H02150654U JP 5951189 U JP5951189 U JP 5951189U JP 5951189 U JP5951189 U JP 5951189U JP H02150654 U JPH02150654 U JP H02150654U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- shield cover
- metal shield
- grid
- display section
- 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 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の第１の実施例の一部切欠き斜
視図、第２図は第１図の金属製シールドカバーの
断面図、第３図は本考案の第２の実施例の一部切
欠き斜視図、第４図は第３図の金属製シールドカ
バーの断面図、第５図は従来の蛍光表示管の一例
の一部切欠き斜視図、第６図は第５図の金属製シ
ールドカバーの断面図である。
１……ガラス基板、２……グリツド、３……表
示部、４……配線層、５……外部端子、６……フ
イラメント、７，１７……金属製シールドカバー
、８……駆動回路、９……金属ワイヤ、１０……
カバーガラス、１１……絶縁層、１２……ハーフ
エツチング、１３……整形部。
Fig. 1 is a partially cutaway perspective view of the first embodiment of the present invention, Fig. 2 is a sectional view of the metal shield cover of Fig. 1, and Fig. 3 is a part of the second embodiment of the invention. 4 is a sectional view of the metal shield cover shown in FIG. 3, FIG. 5 is a partially cutaway perspective view of an example of a conventional fluorescent display tube, and FIG. 6 is a sectional view of the metal shield cover shown in FIG. 5. FIG. DESCRIPTION OF SYMBOLS 1...Glass substrate, 2...Grid, 3...Display part, 4...Wiring layer, 5...External terminal, 6...Filament, 7, 17...Metal shield cover, 8...Drive circuit, 9...metal wire, 10...
cover glass, 11... insulating layer, 12... half etching, 13... shaping part.
Claims (1)
と、熱電子を放出するフイラメントと、放出され
た前記熱電子を制御するグリツドと、前記表示部
と前記グリツドとのうちの少くともいずれか一方
を駆動するための駆動回路を持ち、かつ、該駆動
回路を覆うような金属製シールドカバーを有した
蛍光表示管において、前記金属製シールドカバー
の少くとも一部にハーフエツチングを加えたこと
を特徴とした蛍光表示管。 A display section formed of a phosphor in the same vacuum container, a filament that emits thermoelectrons, a grid that controls the emitted thermoelectrons, and at least one of the display section and the grid. A fluorescent display tube having a drive circuit for driving the drive circuit and a metal shield cover covering the drive circuit, characterized in that at least a part of the metal shield cover is half-etched. fluorescent display tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5951189U JPH02150654U (en) | 1989-05-22 | 1989-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5951189U JPH02150654U (en) | 1989-05-22 | 1989-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150654U true JPH02150654U (en) | 1990-12-27 |
Family
ID=31586070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5951189U Pending JPH02150654U (en) | 1989-05-22 | 1989-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150654U (en) |
-
1989
- 1989-05-22 JP JP5951189U patent/JPH02150654U/ja active Pending