JPH0138621Y2 - - Google Patents
Info
- Publication number
- JPH0138621Y2 JPH0138621Y2 JP1983000653U JP65383U JPH0138621Y2 JP H0138621 Y2 JPH0138621 Y2 JP H0138621Y2 JP 1983000653 U JP1983000653 U JP 1983000653U JP 65383 U JP65383 U JP 65383U JP H0138621 Y2 JPH0138621 Y2 JP H0138621Y2
- Authority
- JP
- Japan
- Prior art keywords
- display tube
- printed circuit
- circuit board
- flat display
- spacers
- 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
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
【考案の詳細な説明】
本考案は平面形表示管を用いた表示装置の機械
的な構造に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the mechanical structure of a display device using a flat display tube.
一般に平面形表示管、例えば蛍光表示管、プラ
ズマデイスプレイパネル等は、金属製のピンリー
ドにてその電極端子が取り出された構造を持つて
いる。このピンリードは、表示管の基材に銀ペー
スト等をプリント、焼成して形成した端子部に半
田付によつて取付けられるのが普通である。ま
た、耐環境特性を高める為、半田付部分はエポキ
シ樹脂等をコートして保護されている。 Generally, flat display tubes such as fluorescent display tubes and plasma display panels have a structure in which electrode terminals are taken out using metal pin leads. This pin lead is usually attached by soldering to a terminal portion formed by printing and firing silver paste or the like on the base material of the display tube. In addition, to improve environmental resistance, the soldered parts are protected by coating with epoxy resin or the like.
この平面表示管は通常、表示管のドライバー素
子等と共にプリント基板に実装される。実装法
は、表示管から垂直に出ているピンリードをプリ
ント基板のスルーホールに通して半田付する方法
がとられる。ところで、プリント基板に実装され
た表示管は、ピンリードだけでも保持され得る
が、振動、衝撃等の機械的な力に対しては非常に
弱いため、表示管保持のためのスペーサが表示管
とプリント基板の間に入れられる。一般にスペー
サは表示管の長手方向の両端に入れられ、機械的
強度を確保している。 This flat display tube is usually mounted on a printed circuit board together with display tube driver elements and the like. The mounting method is to pass the pin leads extending vertically from the display tube through through holes in the printed circuit board and solder them. By the way, a display tube mounted on a printed circuit board can be held by pin leads alone, but it is very weak against mechanical forces such as vibrations and shocks, so a spacer for holding the display tube is used between the display tube and the printed circuit board. It is placed between the boards. Spacers are generally placed at both longitudinal ends of the display tube to ensure mechanical strength.
しかしながら、上記構造は温度変化に対して重
大な難点を持つていることが判明した。即ち、回
路部品の実装されたプリント基板は温度変化によ
るそり、たわみがすこぶる大きい。従つて、上記
の様に表示管の長手方向の両端にて表示管とプリ
ント基板をスペーサで固定した場合には、温度変
化と共に、中央部のピンリードに圧力や張力がか
かり、表示管の端子部とピンリードの半田付部分
を破壊してしまうのである。 However, it has been found that the above structure has significant drawbacks to temperature changes. That is, printed circuit boards on which circuit components are mounted are subject to considerable warpage and deflection due to temperature changes. Therefore, when the display tube and printed circuit board are fixed at both longitudinal ends of the display tube with spacers as described above, pressure and tension are applied to the pin leads in the center as the temperature changes, causing damage to the terminals of the display tube. This will destroy the soldered part of the pin lead.
本考案の目的は、振動、衝撃等の機械的な力に
対して強いことは勿論のこと、温度変化に対して
も、充分信頼性を確保し得る表示管の保持方法を
提供することにある。 The purpose of this invention is to provide a method for holding a display tube that is strong against mechanical forces such as vibrations and shocks, and is highly reliable against temperature changes. .
即ち、本考案は、平面形表示管を用いた装置に
おいて、平面形表示管の長手方向の両端部とさら
に中央部との少なくとも３ケ所において、平面形
表示管をプリント基板に固定すべくスペーサを設
けることによりその目的を達成したものである。 That is, the present invention provides spacers for fixing the flat display tube to a printed circuit board at at least three locations, at both ends of the flat display tube in the longitudinal direction and at the center. By providing this, this purpose was achieved.
第１図ａ，ｂは本考案の一実施例である。１は
平面形表示管、２はプリント基板である。プリン
ト基板には表示管のドライバー素子等の回路部品
が実装されるが、本図では省略している。３，４
は表示管の長手方向両端に位置するスペーサであ
り、５は中央部に位置するスペーサである。スペ
ーサはベーク材等が用いられ、両面接着テープあ
るいは接着材にて表示管及びプリント基板に固定
されている。 Figures 1a and 1b show an embodiment of the present invention. 1 is a flat display tube, and 2 is a printed circuit board. Circuit components such as display tube driver elements are mounted on the printed circuit board, but are omitted in this figure. 3,4
are spacers located at both longitudinal ends of the display tube, and 5 is a spacer located at the center. The spacer is made of baking material or the like, and is fixed to the display tube and printed circuit board with double-sided adhesive tape or adhesive.
今、仮に中央部のスペーサ５が無いものとする
と、プリント基板は温度変化により第１図ｃの破
線のごとく変形し、中央部のピンリード例えば６
に損傷を与えることになる。長さ約250mmの平面
形表示管を両端のスペーサ３，４のみで固定した
場合には、−20℃から＋55゜までの温度サイクルで
中央部のピンリードの接触不良が生じた。一方、
第１図ａ，ｂの本考案のごとく３ケのスペーサを
採用した場合には明らかにプリント基板の変形は
押えられ、上記と同じ平面表示管で、−40℃から
＋70℃までの温度サイクルにてもピンリード部に
対する損傷は全く発生していない。 Now, if there is no spacer 5 in the center, the printed circuit board will deform as shown by the broken line in Figure 1c due to temperature changes, and the pin lead in the center, for example,
It will cause damage to. When a flat display tube with a length of about 250 mm was fixed only with the spacers 3 and 4 at both ends, poor contact of the pin leads in the center occurred during temperature cycles from -20°C to +55°. on the other hand,
When three spacers are used as in the present invention shown in Figures 1a and b, the deformation of the printed circuit board can be clearly suppressed, and the same flat display tube as above can be used for temperature cycles from -40℃ to +70℃. However, no damage occurred to the pin leads.
以上のごとく、本考案は、平面形表示管を用い
た装置の耐環境特性を大きく向上させ得るもので
ある。 As described above, the present invention can greatly improve the environmental resistance of a device using a flat display tube.
第１図ａ，ｂは本考案の一実施例を示す平面図
および正面図。第１図ｃは従来技術の欠点を説明
するための概略図。
１……平面形表示管、２……プリント基板、
３，４，５……スペーサ、６……リード。
FIGS. 1a and 1b are a plan view and a front view showing an embodiment of the present invention. FIG. 1c is a schematic diagram for explaining the drawbacks of the prior art. 1... Flat display tube, 2... Printed circuit board,
3, 4, 5...spacer, 6...lead.
Claims (1)
面形表示管の長手方向の両端部と、さらに中央部
との少なくとも３ケ所にスペーサを配置し、かつ
前記スペーサにより前記平面形表示管とプリント
基板とを接着固定したことを特徴とする平面形表
示管を用いた装置。 In order to fix the flat display tube and the printed circuit board, spacers are arranged at at least three locations, at both ends of the flat display tube in the longitudinal direction and further at the center, and the spacers are used to secure the flat display tube and the printed circuit board. A device using a flat display tube, characterized in that a flat display tube is fixed with adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP65383U JPS59106170U (en) | 1983-01-07 | 1983-01-07 | Device using flat display tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP65383U JPS59106170U (en) | 1983-01-07 | 1983-01-07 | Device using flat display tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59106170U JPS59106170U (en) | 1984-07-17 |
| JPH0138621Y2 true JPH0138621Y2 (en) | 1989-11-17 |
Family
ID=30132402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP65383U Granted JPS59106170U (en) | 1983-01-07 | 1983-01-07 | Device using flat display tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59106170U (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612377A (en) * | 1979-07-09 | 1981-02-06 | Kureha Chem Ind Co Ltd | Novel thiazole derivative, its preparation, and drug for ulcer having andigestive action |
| JPS5755644U (en) * | 1980-09-18 | 1982-04-01 |
-
1983
- 1983-01-07 JP JP65383U patent/JPS59106170U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59106170U (en) | 1984-07-17 |
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