JPS61166518A - Inspecting method of circuit board for driving of liquid crystal display body - Google Patents
Inspecting method of circuit board for driving of liquid crystal display bodyInfo
- Publication number
- JPS61166518A JPS61166518A JP709085A JP709085A JPS61166518A JP S61166518 A JPS61166518 A JP S61166518A JP 709085 A JP709085 A JP 709085A JP 709085 A JP709085 A JP 709085A JP S61166518 A JPS61166518 A JP S61166518A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- circuit board
- display body
- driving
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims description 8
- 239000011521 glass Substances 0.000 abstract description 11
- 239000000758 substrate Substances 0.000 abstract description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 239000011651 chromium Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Liquid Crystal (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の属する利用分野〕
本発明は、液晶表示体駆動用回路基板の検査方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Application to which the Invention Pertains] The present invention relates to a method for inspecting a circuit board for driving a liquid crystal display.
第４図に示したように、従来の液晶表示体駆動用回路基
板４の検査はオシロスコープ１３による波形チェックで
ある。As shown in FIG. 4, the conventional inspection of the liquid crystal display driving circuit board 4 is a waveform check using an oscilloscope 13.
しかし、前述の従来技術では、出力波形が実際の液晶表
示体駆動状態の必要且つ十分な代用特性でなく、製品完
成後、最終的に液晶表示体駆動状態での検査を必要とし
た。また、オシロスコープでの検査は、端子１本毎に全
点数測定する為、多大な工数を要するという問題点を有
する。However, in the prior art described above, the output waveform does not have a necessary and sufficient substitute characteristic for the actual driving state of the liquid crystal display, and after the product is completed, it is necessary to finally inspect the driving state of the liquid crystal display. Furthermore, inspection using an oscilloscope has the problem of requiring a large amount of man-hours because all points are measured for each terminal.
本発明は、このような問題点を解決するものでその目的
とするところは、液晶表示体駆動用回路基板の電気特性
検査において、実使用の状態で判定し、且つ迅速に行え
る液晶表示体駆動用回路基板の検査方法を提供すること
である。The present invention is intended to solve these problems, and its purpose is to provide a method for driving a liquid crystal display that can be determined under actual conditions of use and that can be performed quickly in electrical characteristic testing of a circuit board for driving a liquid crystal display. An object of the present invention is to provide a method for inspecting a circuit board for use in the present invention.
本発明の液晶表示体駆動用回路基板の検査方法は、液晶
表示体駆動用回路基板を、液晶表示体端子部に接続させ
、液晶表示体の点灯状態により、前記回路・基板の検査
をすることを特徴とする。The method for inspecting a circuit board for driving a liquid crystal display of the present invention includes connecting the circuit board for driving a liquid crystal display to a terminal portion of the liquid crystal display, and inspecting the circuit/board based on the lighting state of the liquid crystal display. It is characterized by
本発明の上記構成によれば、クロム等の金属などの導電
体が、液晶表示体の端子部と同ピツチ。According to the above configuration of the present invention, the conductor such as metal such as chromium is arranged at the same pitch as the terminal portion of the liquid crystal display.
同幅で蒸着されたガラス基板上で、液晶表示体端子部と
液晶表示体駆動用回路基板端子部が組合された時と同じ
位置になるように両者をセツティングする。更にこの状
態で液晶表示体を固定して、液晶表示体駆動用回路基板
は次の被検査回路基板と交換できるようにするものであ
る。On a glass substrate having the same width, the liquid crystal display terminal section and the liquid crystal display driving circuit board terminal section are set in the same position as when they are assembled. Further, the liquid crystal display is fixed in this state, and the liquid crystal display driving circuit board can be replaced with the next circuit board to be inspected.
第１図は、本発明の実施例における上面図でありて、第
２図は正面図である。FIG. 1 is a top view of an embodiment of the present invention, and FIG. 2 is a front view.
これを動作するには、液晶表示体駆動用回路基板４を第
２図の様に符号１のチャック部に挿入し、符号２の固定
板に固定する。液晶表示体駆動用回路基板のアライメン
トマークをイメージセンサ５で捉え、モニター上に映し
出された画像を見ながら、Ｘ−Ｙテーブル３のＸ方向調
整マイクロメータヘッド７、Ｙ方向調整マイクロメータ
ヘッド６、及びθ方向調整ネジ８によりガラス基板上の
アライメントマークと合せる。前記実装済基板とガラス
基板の位置が合ったところで、符号５のＸ−Ｙテーブル
を下方に降し、前記回路基板４とガラス基板１１を接触
させる。To operate this, the liquid crystal display driving circuit board 4 is inserted into the chuck part 1 as shown in FIG. 2, and fixed to the fixing plate 2. The alignment mark of the circuit board for driving the liquid crystal display is captured by the image sensor 5, and while viewing the image displayed on the monitor, the X-direction adjustment micrometer head 7, the Y-direction adjustment micrometer head 6 of the X-Y table 3, and the θ direction adjusting screw 8 to align it with the alignment mark on the glass substrate. When the mounted board and the glass substrate are aligned, the X-Y table 5 is lowered to bring the circuit board 4 and the glass substrate 11 into contact.
第５図（α）、（Ａ）は、液晶表示体駆動用回路基板４
と液晶表示体１０の位置関係を示したものである。ガラ
ス基板１１上に蒸着されたクロムパターンを通して固定
枠９に固定された液晶表示体１０に信号が入り、液晶表
示体１０が点灯し、その点灯の状態により前記回路基板
４の良、不良を見分けることができる。なお、１２は導
電ゴムコネクターである。FIG. 5 (α) and (A) show the circuit board 4 for driving the liquid crystal display.
This shows the positional relationship between the liquid crystal display 10 and the liquid crystal display 10. A signal enters the liquid crystal display 10 fixed to the fixed frame 9 through the chrome pattern vapor-deposited on the glass substrate 11, the liquid crystal display 10 lights up, and the circuit board 4 is determined to be good or bad based on the lighting state. be able to. Note that 12 is a conductive rubber connector.
以上述べたように本発明によれば、オシロスコープによ
る波形チェックではなく、実際に液晶表示体を点灯させ
ることにより、液晶表示体駆動用回路基板の検査を実使
用の状態で行うことができ、且つ迅速な検査が可能とな
る効果を有する。As described above, according to the present invention, a liquid crystal display driving circuit board can be inspected in actual use by actually lighting up the liquid crystal display instead of checking the waveform with an oscilloscope, and This has the effect of enabling rapid testing.
第１図は本発明の検査方法の一実施例を示す上面図。
第２図は本発明の検査方法に用いる装置の一実施例を示
す正面図。
１・・・・・・チャック部
２・・・・・・固定板
５・・・・・−Ｘ−Ｙテーブル
４・・・・・・液晶表示体駆動用回路基板５・・・・・
・イメージセンナ
６・・・・・・Ｙ方向位置合せマイクロメータヘッド７
・・・・・・Ｘ方向位置合せマイクロメータヘッド８・
・・・・・θ方向位置合せネジ
９・・・・・・液晶表示体固定枠
１０・・・液晶表示体
第５図（α）、（Ａ）は、液晶表示体駆動用回路基板と
液晶表示体とガラス基板の位置関係を示す図である。
１１・・・ガラス基板
１２・・・導電ゴムコネクター
第４図は、従来の液晶表示体駆動用回路基板の検査方法
を示す図面。
１３・・・オシロスコープ
第１図
（Ｇ）
Ｈ
（ｂ）
第３図
第４図 ：・FIG. 1 is a top view showing an embodiment of the inspection method of the present invention. FIG. 2 is a front view showing an embodiment of the apparatus used in the inspection method of the present invention. 1...Chuck part 2...Fixing plate 5...-X-Y table 4...Liquid crystal display driving circuit board 5...
・Image sensor 6...Y direction positioning micrometer head 7
・・・・・・X direction positioning micrometer head 8・
...θ direction positioning screw 9 ... Liquid crystal display fixing frame 10 ... Liquid crystal display Figures 5 (α) and (A) show the circuit board for driving the liquid crystal display and the liquid crystal display. FIG. 3 is a diagram showing the positional relationship between a display body and a glass substrate. 11...Glass substrate 12...Conductive rubber connector FIG. 4 is a diagram showing a conventional method for inspecting a circuit board for driving a liquid crystal display. 13...Oscilloscope Figure 1 (G) H (b) Figure 3 Figure 4:・
Claims (1)
駆動回路を搭載した回路基板の電気特性検査において、
前記液晶表示体に前記駆動回路を搭載した回路基板を接
続させ、前記液晶表示体の駆動状態を目視により判定す
ることを特徴とする液晶表示体駆動用回路基板の検査方
法。In testing the electrical characteristics of circuit boards equipped with drive circuits that perform display when combined with liquid crystal displays,
A method for inspecting a circuit board for driving a liquid crystal display, comprising connecting a circuit board on which the driving circuit is mounted to the liquid crystal display, and visually determining a driving state of the liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP709085A JPS61166518A (en) | 1985-01-18 | 1985-01-18 | Inspecting method of circuit board for driving of liquid crystal display body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP709085A JPS61166518A (en) | 1985-01-18 | 1985-01-18 | Inspecting method of circuit board for driving of liquid crystal display body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61166518A true JPS61166518A (en) | 1986-07-28 |
Family
ID=11656378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP709085A Pending JPS61166518A (en) | 1985-01-18 | 1985-01-18 | Inspecting method of circuit board for driving of liquid crystal display body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61166518A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5329391A (en) * | 1992-05-20 | 1994-07-12 | Canon Kabushiki Kaisha | Process for fixing liquid crystal panel to fixing plate using height regulating pins which are removed after curing adhesive |
| JP2006266783A (en) * | 2005-03-23 | 2006-10-05 | Citizen Miyota Co Ltd | Device and method for circuit board inspection |
| US8253941B2 (en) * | 2006-05-09 | 2012-08-28 | Samsung Electronics Co., Ltd. | Apparatus for manufacturing display panel and method for manufacturing the same |
-
1985
- 1985-01-18 JP JP709085A patent/JPS61166518A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5329391A (en) * | 1992-05-20 | 1994-07-12 | Canon Kabushiki Kaisha | Process for fixing liquid crystal panel to fixing plate using height regulating pins which are removed after curing adhesive |
| US5587817A (en) * | 1992-05-20 | 1996-12-24 | Canon Kabushiki Kaisha | Liquid crystal panel unit having liquid crystal panel affixed to panel fixing using adhesive and height-regulating pins |
| JP2006266783A (en) * | 2005-03-23 | 2006-10-05 | Citizen Miyota Co Ltd | Device and method for circuit board inspection |
| US8253941B2 (en) * | 2006-05-09 | 2012-08-28 | Samsung Electronics Co., Ltd. | Apparatus for manufacturing display panel and method for manufacturing the same |
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