JPS61135030A - Fluorescent display tube - Google Patents
Fluorescent display tubeInfo
- Publication number
- JPS61135030A JPS61135030A JP25611384A JP25611384A JPS61135030A JP S61135030 A JPS61135030 A JP S61135030A JP 25611384 A JP25611384 A JP 25611384A JP 25611384 A JP25611384 A JP 25611384A JP S61135030 A JPS61135030 A JP S61135030A
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent display
- display tube
- phosphor
- filament
- glass substrate
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons
- H01J29/085—Anode plates, e.g. for screens of flat panel displays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/15—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は蛍光表示管に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a fluorescent display tube.
（従来の技術）
従来、情報処理の表示手段の一つとして蛍光表示管が用
いられてきた。(Prior Art) Conventionally, a fluorescent display tube has been used as one of the display means for information processing.
第５図は従来の蛍光表示管の第１の例の部分断面図でる
る。FIG. 5 is a partial sectional view of a first example of a conventional fluorescent display tube.
ガラス基板１の上に電極２が設けられ、その上に蛍光体
３が塗布されている。その上方にグリッド４．フィラメ
ント５が間隔をおいて置かれ、内面に透明導電膜７を有
するカバーガラス６とガラス基板１とで真空容器が形成
されている。表示の観測はカバーガラス６側から行われ
る。An electrode 2 is provided on a glass substrate 1, and a phosphor 3 is coated thereon. Grid 4 above it. A vacuum container is formed by a glass substrate 1 and a cover glass 6 having a transparent conductive film 7 on its inner surface, in which filaments 5 are placed at intervals. Observation of the display is performed from the cover glass 6 side.
第６図は従来の蛍光伐示管の第２の例の部分断面図でめ
る。FIG. 6 is a partial sectional view of a second example of a conventional fluorescent display tube.
ガラス基板１１の上に網目状の電極１２が設け
１られ、その上に蛍光体１３が塗布される。その
上にフィラメント１４、グリッド１５、透明導電膜１７
を有するカバーガラス１６が配置され、第１の例と同様
に真空容器が形成される。第２の例が第１の例と異なる
点は、表示の観測がガラス基板１１側から行われる゛こ
とである。従りて、電極１２は透明であることが必要で
、網目状に形成される。A mesh electrode 12 is provided on the glass substrate 11.
1, and a phosphor 13 is applied thereon. On top of that, a filament 14, a grid 15, a transparent conductive film 17
A cover glass 16 having the following properties is placed, and a vacuum container is formed in the same manner as in the first example. The second example differs from the first example in that the display is observed from the glass substrate 11 side. Therefore, the electrode 12 needs to be transparent and is formed in a mesh shape.
（発明が解決しようとする問題点）
上記のように、従来の蛍光表示管では部品点数が多く、
コスト高になるという欠点があった。(Problems to be solved by the invention) As mentioned above, conventional fluorescent display tubes have a large number of parts.
The disadvantage was that the cost was high.
本発明の目的は、グリッドを無くすことによシ部品点数
を減らし、よシ安価な蛍光表示管を提供することにある
。An object of the present invention is to reduce the number of parts by eliminating the grid, and to provide a fluorescent display tube that is less expensive.
（問題点を解決するための手段）
本発明の蛍光表示管は、ガラス基板と、該ガラス基板上
に設けられ蜂巣状、網目状もしくは細ひも状の形状を有
する電極と、該電極の上に設けられた蛍光体と、該蛍光
体の上方に該蛍光体と間隔をおいて保持される支持枠と
、該支持枠に取付けられたフィラメントと、該フィラメ
ントの上方に該フィラメントと間隔をおいた面を有し前
記ガラス基板と真空容器を形成するカバーガラスと、該
カバーガラスの内面に設けられかつ前記支持枠に電気的
に接続する透明導電膜とを含んで構成される。(Means for Solving the Problems) The fluorescent display tube of the present invention includes a glass substrate, an electrode provided on the glass substrate and having a honeycomb-like, mesh-like, or thin string-like shape; a support frame held above the phosphor at a distance from the phosphor; a filament attached to the support frame; The device includes a cover glass having a surface and forming a vacuum container with the glass substrate, and a transparent conductive film provided on the inner surface of the cover glass and electrically connected to the support frame.
（実施例） 次に、本発明の実施例について図面を用いて説明する。(Example) Next, embodiments of the present invention will be described using the drawings.
第１図は本発明の一実施例の部分断面図である。FIG. 1 is a partial cross-sectional view of one embodiment of the present invention.
ガラス基板２１の上に透明電極２２を形成する。A transparent electrode 22 is formed on a glass substrate 21.
第２図（ａ）〜ＩｃＩは第１図の透明電極の形状例を示
す平面図である。2(a) to IcI are plan views showing examples of the shape of the transparent electrode shown in FIG. 1. FIG.
透明電極２２は蜂巣状２２ａ、ひも状２２ｂ。The transparent electrode 22 has a honeycomb shape 22a and a string shape 22b.
網目状２２Ｃのいずれかの形に形成される。It is formed in any one of the mesh shapes 22C.
透明電極２２の上に蛍光体２３を塗布する。電極２２の
間に絶縁及び遮光のため、絶縁体３０【塗布することが
できる。蛍光体２３の上方に間隔をおいて支持枠２８ｔ
−設置し、支持枠２Ｂにフィラメント２５を取付ける。A phosphor 23 is applied onto the transparent electrode 22. An insulator 30 can be applied between the electrodes 22 for insulation and light shielding. Support frame 28t spaced above phosphor 23
- Install and attach the filament 25 to the support frame 2B.
第３図（ａｌ、 （ｂｌは第１図の支持枠とフィラメン
トの例の平面図である。FIG. 3 (al, (bl) is a plan view of the example of the support frame and filament of FIG. 1.
第３図１ａ１． ｌｂ）において、Ｘ印は支持枠へのフ
ィラメントの溶接点を示す。フィラメント２５は、［８
１図に示すように、１本の線を蛇行させながら溶接して
いっても良いし、あるいは［ｂ）図に示すように、多数
のフィラメントを平行に張っておいて、枠に溶接した後
切離しても良い。Figure 3 1a1. In lb), the X mark indicates the welding point of the filament to the support frame. The filament 25 is [8
As shown in Figure 1, one wire may be welded in a meandering manner, or as shown in Figure 1, many filaments may be stretched in parallel and then welded to the frame. It may be separated.
支持枠２８及びフィラメント２５の上方に間隔をおいて
カバーガラス２６を置き、ガラス基板２１とで真空容器
を形成せしめる。カバーガラス２６の内面には透明導電
体２７が設けられる。透明導電膜２７と支持枠２８とを
導体線２９で接続して同電位となるようにする。これに
より透明導を膜の電位が固定される。A cover glass 26 is placed above the support frame 28 and the filament 25 at a distance, and together with the glass substrate 21, a vacuum container is formed. A transparent conductor 27 is provided on the inner surface of the cover glass 26. The transparent conductive film 27 and the support frame 28 are connected by a conductor wire 29 so that they have the same potential. This fixes the potential of the transparent conducting membrane.
以上説明したように、本発明による蛍光表示管にはグリ
ッドが無い。即ち、グリッドを省略することにより部品
点数が減り、コストダウンが図れる。グリッドを省略す
ると、フィラメント２５からの電子の制御及び一様拡散
が困難となるので、フィラメント２５０本数を増すか、
網目状にするか、あるいは次に説明するような第３の電
極を設けることによ）対処する。As explained above, the fluorescent display tube according to the present invention does not have a grid. That is, by omitting the grid, the number of parts can be reduced and costs can be reduced. If the grid is omitted, it will be difficult to control and uniformly diffuse the electrons from the filament 25, so either increase the number of filaments 250 or
(by meshing or by providing a third electrode as described next).
第４図は本発明の第２の実施例の表示素子部分の平面図
である。FIG. 4 is a plan view of the display element portion of the second embodiment of the present invention.
第４図において、４１は日の字形の表示素子である。こ
の表示素子の外側と内側にＪ１３０を極４２．４３を設
ける。第３の電極４２．４３の電位を変えることによっ
て電子の制御を改善するこ′″””″′６・
：（発明の効果）
以上説明したように、本発明によれば、グリッドを無く
すことによシ部品点数を減らし、コストダウンが図れる
蛍光表示管が得られる。In FIG. 4, numeral 41 is a Japanese character-shaped display element. J130 and poles 42 and 43 are provided on the outside and inside of this display element. Improving the control of electrons by changing the potential of the third electrode 42,43
(Effects of the Invention) As described above, according to the present invention, a fluorescent display tube can be obtained in which the number of parts can be reduced by eliminating the grid, and the cost can be reduced.
平面図、第５図及び第６図はそれぞれ従来の蛍光表示管
の第１及び第２の例の部分断面図である。
１、 １１． ２１・・・・・・ガラス基板、２，１２
゜２２・・・・・・電極、３，１３．２３・・・・・・
蛍光体、４゜１４・・・・・・グリッド、５，１５．２
５・・・・・・フィラメント、６，１６．２６・・・・
・・カバーガラス、７゜１７．２７・・・・・・透明導
［膜％２９・・・・・・導体線、３０・・・・・・絶縁
体、４１・・・・・・表示素子、４２，４３−・・・・
第３の寛億。
ｆｉ図
（θ、’ （ｂ］
（Ｃ）茅ｚｒｆＥ
事３図The plan view, FIGS. 5 and 6 are partial cross-sectional views of first and second examples of conventional fluorescent display tubes, respectively. 1, 11. 21...Glass substrate, 2, 12
゜22... Electrode, 3,13.23...
Phosphor, 4゜14...Grid, 5,15.2
5...Filament, 6,16.26...
...Cover glass, 7゜17.27...Transparent conductor [film% 29...Conductor wire, 30...Insulator, 41...Display element , 42, 43-...
The third Kanbi. fi diagram (θ,' (b)
(C) Kaya zrfE thing 3 figure
Claims (2)
網目状もしくは細ひも状の形状を有する電極と、該電極
の上に設けられた蛍光体と、該蛍光体の上方に該蛍光体
と間隔をおいて保持される支持枠と、該支持枠に取付け
られたフィラメントと、該フィラメントの上方に該フィ
ラメントと間隔をおいた面を有し前記ガラス基板と真空
容器を形成するカバーガラスと、該カバーガラスの内面
に設けられかつ前記支持枠に電気的に接続する透明導電
膜とを含むことを特徴とする蛍光表示管。(1) a glass substrate and a honeycomb-like structure provided on the glass substrate;
an electrode having a mesh-like or thin string-like shape; a phosphor provided on the electrode; a support frame held above the phosphor at a distance from the phosphor; an attached filament, a cover glass having a surface above the filament and spaced from the filament and forming a vacuum container with the glass substrate; A fluorescent display tube comprising: a transparent conductive film connected to a transparent conductive film;
特許請求の範囲第（１）項記載の蛍光表示管。(2) A fluorescent display tube according to claim (1), wherein the filament is fixed to the support frame in a mesh pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25611384A JPS61135030A (en) | 1984-12-04 | 1984-12-04 | Fluorescent display tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25611384A JPS61135030A (en) | 1984-12-04 | 1984-12-04 | Fluorescent display tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61135030A true JPS61135030A (en) | 1986-06-23 |
Family
ID=17288072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25611384A Pending JPS61135030A (en) | 1984-12-04 | 1984-12-04 | Fluorescent display tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61135030A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0949650A2 (en) * | 1994-11-11 | 1999-10-13 | Sony Corporation | Light-emitting device |
-
1984
- 1984-12-04 JP JP25611384A patent/JPS61135030A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0949650A2 (en) * | 1994-11-11 | 1999-10-13 | Sony Corporation | Light-emitting device |
| EP0949650A3 (en) * | 1994-11-11 | 2000-03-01 | Sony Corporation | Light-emitting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4666415A (en) | Linear electrode construction for fluorescent display device and process for preparing same | |
| JPS61135030A (en) | Fluorescent display tube | |
| GB1388216A (en) | Flat fluorescent character display tubes | |
| US4293793A (en) | Fluorescent display tube | |
| JP6068066B2 (en) | Fluorescent display device and manufacturing method thereof | |
| JP2790073B2 (en) | Fluorescent display tube | |
| KR910007772Y1 (en) | Supporting device for an cathode for a flourescent display tube | |
| JP3030794B2 (en) | Fluorescent display tube and method of manufacturing the same | |
| JP2555114Y2 (en) | Fluorescent display tube | |
| JPH0438452Y2 (en) | ||
| JPS635168Y2 (en) | ||
| JPH01122553A (en) | Flat display | |
| JPH0513025A (en) | Fluorescent character display tube | |
| JP3586063B2 (en) | Fluorescent display tube | |
| KR920000071B1 (en) | Method of manufacturing fluorescent display tube | |
| KR940006306B1 (en) | Fluorescent display tube | |
| KR930005831Y1 (en) | Fluorescent display tube | |
| KR910005836Y1 (en) | Supporting device of cathode of flourescent display tube | |
| JPS63298941A (en) | Fluorescent character display tube | |
| JPS6161336A (en) | Manufacture of image display device | |
| JPS5846559A (en) | Manufacture of flat plate display device of electron beam acceleration type | |
| JPS6423863U (en) | ||
| JPS587020B2 (en) | Polar coordinate display fluorescent display tube | |
| JPS5968155A (en) | Plate-type cathode-ray tube | |
| JPH02227944A (en) | Fluorescent display device |