JPH0436047Y2 - - Google Patents
Info
- Publication number
- JPH0436047Y2 JPH0436047Y2 JP12179386U JP12179386U JPH0436047Y2 JP H0436047 Y2 JPH0436047 Y2 JP H0436047Y2 JP 12179386 U JP12179386 U JP 12179386U JP 12179386 U JP12179386 U JP 12179386U JP H0436047 Y2 JPH0436047 Y2 JP H0436047Y2
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent display
- display tube
- circuit board
- printed circuit
- wiring layer
- 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.)
- Expired
Links
- 239000006059 cover glass Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は蛍光表示装置に関する。[Detailed explanation of the idea] [Industrial application field] The present invention relates to a fluorescent display device.
従来の蛍光表示装置において蛍光表示管とプリ
ント基板との接続は、第３図に示すように、蛍光
表示管１に取付けられたリード端子１２をプリン
ト基板７上に形成された取付穴１３に半田付けす
ることにより行なわれ、外部駆動回路（図示省
略）に対して蛍光表示管１及びプリント基板７が
接続される。
In a conventional fluorescent display device, a fluorescent display tube and a printed circuit board are connected by soldering a lead terminal 12 attached to a fluorescent display tube 1 into a mounting hole 13 formed on a printed circuit board 7, as shown in FIG. The fluorescent display tube 1 and the printed circuit board 7 are connected to an external drive circuit (not shown).
上述した従来の蛍光表示装置においては、各電
極間の絶縁確保等のためリード端子間隔をある程
度確保する必要がある一方、プリント基板上の取
付穴も加工性等の理由から取付穴間隔をある程度
確保する必要がある。従つて、たとえばグラフイ
ツク表示用ドツトマトリツクス形蛍光表示装置の
如く表示セグメント数が非常に多い蛍光表示装置
では、端子数が数百にも及ぶためリード端子形成
による外形の必要以上の大形化を招く。また、数
百ものリード端子をプリント基板の取付穴に固定
することは極めて作業性が悪く大幅なコスト増加
を免れ得ない。
In the above-mentioned conventional fluorescent display device, it is necessary to maintain a certain distance between the lead terminals to ensure insulation between each electrode, and at the same time, it is necessary to maintain a certain distance between the mounting holes on the printed circuit board for reasons such as machinability. There is a need to. Therefore, in a fluorescent display device with a very large number of display segments, such as a dot matrix type fluorescent display device for graphic display, the number of terminals reaches several hundred, so it is difficult to make the external size larger than necessary by forming lead terminals. invite Further, fixing hundreds of lead terminals to the mounting holes of the printed circuit board is extremely inefficient and inevitably leads to a significant increase in cost.
本考案は、フイラメントと制御電極と陽極の電
極とを有しかつ陽極が形成される陽極基板とカバ
ーガラスとにより内部が真空に保持された蛍光表
示管と、前記蛍光表示管の配線層と外部駆動回路
との電気的接続を行なう配線回路が形成されかつ
前記蛍光表示管が固定されるプリント基板とから
構成される蛍光表示装置において、前記カバーガ
ラスより外方に延出する前記陽極基板の少なくと
も一対のフランジ部に前記配線層の接続端子を設
けた蛍光表示管と、この蛍光表示管の前記カバー
ガラスを挿通させる貫通穴を有し前記フランジ部
と接触する個所に前記フランジ部に設けた前記接
続端子と対応する配線層を有するプリント基板と
から構成される。また、前記蛍光表示管の前記フ
ランジ部に設けた前記接続端子と前記プリント基
板に設けた前記配線層との間に導電部材を配設し
て構成される。
The present invention provides a fluorescent display tube which has a filament, a control electrode, and an anode electrode, and whose interior is kept in a vacuum by an anode substrate on which an anode is formed and a cover glass, and a wiring layer and an exterior of the fluorescent display tube. In a fluorescent display device comprising a printed circuit board on which a wiring circuit for electrical connection with a drive circuit is formed and to which the fluorescent display tube is fixed, at least one of the anode substrates extends outward from the cover glass. A fluorescent display tube having a pair of flange portions provided with connection terminals for the wiring layer; and a fluorescent display tube having a through hole through which the cover glass of the fluorescent display tube is inserted, and the flange portion having a through hole provided in the flange portion at a location in contact with the flange portion. It consists of a printed circuit board having connection terminals and corresponding wiring layers. Further, a conductive member is disposed between the connection terminal provided on the flange portion of the fluorescent display tube and the wiring layer provided on the printed circuit board.
次に、本考案の実施例について図面を参照して
説明する。
Next, embodiments of the present invention will be described with reference to the drawings.
本考案の一実施例を示す第１図ａ，第１図ｂお
よび第１図ｃを参照すると、蛍光表示管１では第
１図ａに示すように、陽極基板２にスパツタリン
グ法によりアルミニウム等の導電性材料を用いて
配線層４が形成されている。配線層４は一方の端
部が蛍光表示管１の内部のフイラメント、陽極お
よび制御電極（図示省略）に各々独立に接続さ
れ、かつ残る一方の端部がカバーガラス６の外方
に延出された陽極基板２のフランジ部３において
銀等の導電性材料から成る端子５に接続されてい
る。一方、プリント基板７には第１図ｂに示すよ
うに、絶縁性基板８に蛍光表示管１の取付位置に
カバーガラス６の外径より僅かに大きな貫通穴１
０が形成されている。また、プリント基板１の配
線層９は、一方の端部が蛍光表示管１の端子５に
対応する位置にて終端しており、かつ残る一方の
端部が外部駆動回路（図示省略）に接続されるよ
うに終端されている。このように構成される蛍光
表示管１とプリント基板７とは第１図ｃに示すよ
うに、カバーガラス６が貫通穴１０を貫通し、か
つ蛍光表示管１の端子５とプリント基板７の配線
層９の終端部とが電気的に接続されるよう組合わ
されている。蛍光表示管１とプリント基板７との
電気的接続は機械的接触により行なわれる。しか
しながら、両者の電気的接続の信頼性を向上させ
るためには、第２図に示すように、蛍光表示管１
の端子５とプリント基板７の配線層９との間に弾
力性を有し、かつ蛍光表示管１とプリント基板７
との方向にのみ導電性を有する異方性導電部材１
１を配設すればよい。 Referring to FIG. 1a, FIG. 1b, and FIG. 1c showing one embodiment of the present invention, in the fluorescent display tube 1, as shown in FIG. A wiring layer 4 is formed using a conductive material. The wiring layer 4 has one end connected independently to a filament, an anode, and a control electrode (not shown) inside the fluorescent display tube 1, and the remaining end extends outside the cover glass 6. The flange portion 3 of the anode substrate 2 is connected to a terminal 5 made of a conductive material such as silver. On the other hand, as shown in FIG. 1b, the printed circuit board 7 has a through hole 1 slightly larger than the outer diameter of the cover glass 6 at the mounting position of the fluorescent display tube 1 in the insulating substrate 8.
0 is formed. Furthermore, one end of the wiring layer 9 of the printed circuit board 1 terminates at a position corresponding to the terminal 5 of the fluorescent display tube 1, and the remaining end is connected to an external drive circuit (not shown). It is terminated as shown. As shown in FIG. 1c, the fluorescent display tube 1 and the printed circuit board 7 configured in this manner have the cover glass 6 passing through the through hole 10, and the wiring between the terminal 5 of the fluorescent display tube 1 and the printed circuit board 7. The terminal portion of layer 9 is assembled so as to be electrically connected. Electrical connection between the fluorescent display tube 1 and the printed circuit board 7 is made by mechanical contact. However, in order to improve the reliability of the electrical connection between the two, as shown in FIG.
has elasticity between the terminal 5 of the terminal 5 and the wiring layer 9 of the printed circuit board 7, and has elasticity between the fluorescent display tube 1 and the printed circuit board 7
Anisotropic conductive member 1 having conductivity only in the direction of
1 may be provided.
なお、上記実施例において、蛍光表示管１の端
子５およびプリント基板７の配線層９の形成には
フオトエツチング法あるいはプリント印刷法が使
用される。この結果、端子５および配線層９のそ
れぞれの間隔は数十〜数百μm程度で充分な絶縁
性を確保できる。 In the above embodiment, the photo-etching method or the printing method is used to form the terminals 5 of the fluorescent display tube 1 and the wiring layer 9 of the printed circuit board 7. As a result, the distance between the terminals 5 and the wiring layer 9 is approximately several tens to several hundreds of μm, and sufficient insulation can be ensured.
以上説明したように本考案によれば、グラフイ
ツク表示用ドツトマトリツクス形蛍光表示装置の
如く、数百の端子が必要な場合でも端子形成のた
めに装置外形の大形化を招くことを防止できる。
また、プリント基板と蛍光表示管との接続に半田
付けを必要としないため、製造コストを低減する
ことができる。
As explained above, according to the present invention, even when hundreds of terminals are required, such as in a dot matrix type fluorescent display device for graphic display, it is possible to prevent the external size of the device from increasing due to terminal formation. .
Furthermore, since no soldering is required to connect the printed circuit board and the fluorescent display tube, manufacturing costs can be reduced.
第１図ａ，第１図ｂおよび第１図ｃは本考案の
一実施例の構成図、第２図は他の実施例の構成
図、第３図は従来の蛍光表示装置の一例を示す構
成図である。
１……蛍光表示管、２……陽極基板、３……フ
ランジ部、４……配線層、５……端子、６……カ
バーガラス、７……プリント基板、８……絶縁性
基板、９……配線層、１０……貫通穴、１１……
異方性導電部材。
Figures 1a, 1b, and 1c are block diagrams of one embodiment of the present invention, Figure 2 is a diagram of another embodiment, and Figure 3 is an example of a conventional fluorescent display device. FIG. DESCRIPTION OF SYMBOLS 1... Fluorescent display tube, 2... Anode substrate, 3... Flange part, 4... Wiring layer, 5... Terminal, 6... Cover glass, 7... Printed circuit board, 8... Insulating substrate, 9 ...Wiring layer, 10...Through hole, 11...
Anisotropic conductive member.
Claims (1)
しかつ陽極が形成される陽極基板とカバーガラ
スとにより内部が真空に保持された蛍光表示管
と、前記蛍光表示管の配線層と外部駆動回路と
の電気的接続を行なう配線回路が形成されかつ
前記蛍光表示管が固定されるプリント基板とか
ら構成される蛍光表示装置において、 前記カバーガラスより外方に延出する前記陽
極基板の少なくとも一対のフランジ部に前記配
線層の接続端子を設けた蛍光表示管と、この蛍
光表示管の前記カバーガラスを挿通させる貫通
穴を有し前記フランジ部と接触する個所に前記
フランジ部に設けた前記接続端子と対応する配
線層を有するプリント基板とから構成されるこ
とを特徴とする蛍光表示装置。 (2) 前記蛍光表示管の前記フランジ部に設けた前
記接続端子と前記プリント基板に設けた前記配
線層との間に導電部材を配設することを特徴と
する実用新案登録請求の範囲第１項記載の蛍光
表示装置。[Claims for Utility Model Registration] (1) A fluorescent display tube having a filament, a control electrode, and an anode electrode, the inside of which is kept in vacuum by an anode substrate on which an anode is formed, and a cover glass; In a fluorescent display device comprising a printed circuit board on which a wiring circuit for electrically connecting a wiring layer of a display tube and an external drive circuit is formed and to which the fluorescent display tube is fixed, A fluorescent display tube in which connecting terminals for the wiring layer are provided on at least one pair of flanges of the anode substrate to be removed, and a through hole through which the cover glass of the fluorescent display tube is inserted, and a portion in contact with the flange portions has a through hole through which the cover glass of the fluorescent display tube is inserted. A fluorescent display device comprising a printed circuit board having a wiring layer corresponding to the connection terminal provided on the flange portion. (2) Utility model registration claim 1, characterized in that a conductive member is disposed between the connection terminal provided on the flange portion of the fluorescent display tube and the wiring layer provided on the printed circuit board. Fluorescent display device as described in Section 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12179386U JPH0436047Y2 (en) | 1986-08-07 | 1986-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12179386U JPH0436047Y2 (en) | 1986-08-07 | 1986-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6328241U JPS6328241U (en) | 1988-02-24 |
| JPH0436047Y2 true JPH0436047Y2 (en) | 1992-08-26 |
Family
ID=31011389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12179386U Expired JPH0436047Y2 (en) | 1986-08-07 | 1986-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436047Y2 (en) |
-
1986
- 1986-08-07 JP JP12179386U patent/JPH0436047Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6328241U (en) | 1988-02-24 |
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