JPH08248370A - Cleaning method for lcd panel - Google Patents

Cleaning method for lcd panel

Info

Publication number
JPH08248370A
JPH08248370A JP7052493A JP5249395A JPH08248370A JP H08248370 A JPH08248370 A JP H08248370A JP 7052493 A JP7052493 A JP 7052493A JP 5249395 A JP5249395 A JP 5249395A JP H08248370 A JPH08248370 A JP H08248370A
Authority
JP
Japan
Prior art keywords
lcd panel
metal blade
cleaning
stage
cleaning unit
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.)
Granted
Application number
JP7052493A
Other languages
Japanese (ja)
Other versions
JP3108312B2 (en
Inventor
Teruyuki Kamitsuma
照幸 上妻
Kazunobu Kawamoto
和伸 川本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP07052493A priority Critical patent/JP3108312B2/en
Publication of JPH08248370A publication Critical patent/JPH08248370A/en
Application granted granted Critical
Publication of JP3108312B2 publication Critical patent/JP3108312B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Cleaning In General (AREA)

Abstract

PURPOSE: To enable cleaning a LCD panel with a metal blade of a fixed size independently of the size of a LCD panel and to clean by removing any foreign- matter attaching to a surface of a LCD panel. CONSTITUTION: A cleaning unit 13 is lowered by a cylinder 3 for a LCD panel 1 placed on a stage 2, when a metal blade is contacted with one end part of the panel 1, a speed control motor 5 is operated and the metal blade 4 is rotated. A stage 2 is moved by a pulse motor 10, when the metal blade reaches the other end part of the panel 1, the pulse motor is stopped, and a cleaning unit 13 is moved at a right angle to the stage moving direction by operating a pulse motor 6.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は液晶表示パネル(以下、
LCDパネルという)の清掃方法に関し、さらに詳しく
は、LCDパネルのサイズ変更に即時に対応できると共
に均一処理による品質の安定化、材料ロスの低減を図る
ことができるLCDパネルの清掃方法に関する。
BACKGROUND OF THE INVENTION The present invention relates to a liquid crystal display panel (hereinafter referred to as
More specifically, the present invention relates to a method for cleaning an LCD panel, which can immediately respond to a change in size of the LCD panel, stabilize quality by uniform processing, and reduce material loss.

【0002】[0002]

【従来の技術】従来より液晶ユニット製造工程、特に偏
光板貼付前のLCDパネルの清掃方法に関して種々の提
案がなされている。図4は従来のLCDパネルの清掃方
法を示す概略図である。図4に示すように、LCDパネ
ル22が清掃される位置まで搬送ベルト21により搬送
されると、シリンダー23は金属刃24がLCDパネル
22に接触するまで金属刃24を下降させる。続いて、
金属刃24はLCDパネル22の搬送方向と同一方向に
直進移動しながら(LCDパネルの搬送速度より速い速
度で)LCDパネル22の表面に付着している異物を除
去し、LCDパネル22の表面を清掃する。清掃終了
後、シリンダー23は金属刃24を上昇させてLCDパ
ネル22との接触を解除する。金属刃24が初期動作位
置に戻ると、次のLCDパネル22の清掃に対処する。
2. Description of the Related Art Conventionally, various proposals have been made regarding a manufacturing process of a liquid crystal unit, particularly a method of cleaning an LCD panel before attaching a polarizing plate. FIG. 4 is a schematic view showing a conventional LCD panel cleaning method. As shown in FIG. 4, when the LCD belt 22 is conveyed to the position where it is cleaned by the conveyor belt 21, the cylinder 23 lowers the metal blade 24 until the metal blade 24 contacts the LCD panel 22. continue,
The metal blade 24 removes foreign matters adhering to the surface of the LCD panel 22 while moving straight in the same direction as the carrying direction of the LCD panel 22 (at a speed faster than the carrying speed of the LCD panel), so that the surface of the LCD panel 22 is removed. to clean up. After the cleaning is completed, the cylinder 23 lifts the metal blade 24 to release the contact with the LCD panel 22. When the metal blade 24 returns to the initial operating position, the next cleaning of the LCD panel 22 is dealt with.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、従来の
LCDパネルの清掃方法では、LCDパネルのサイズが
変更する度に、そのサイズに対応した幅を有する金属刃
及び専用治具を用意する必要があるという問題がある。
さらに、従来のLCDパネルの清掃方法では、固定され
た金属刃をLCDパネルに対して一定方向に直進的に動
作させて清掃を行うのみであり、LCDパネルの表面に
付着した方向性のある異物を十分に除去するのは困難で
あるという問題がある。
However, in the conventional LCD panel cleaning method, every time the size of the LCD panel is changed, it is necessary to prepare a metal blade and a dedicated jig having a width corresponding to the size. There is a problem.
Further, in the conventional LCD panel cleaning method, only the fixed metal blade is moved straight in a certain direction with respect to the LCD panel to perform cleaning, and directional foreign matter adhered to the surface of the LCD panel. Is difficult to remove sufficiently.

【0004】本発明は、前記従来の問題点を解決すべく
なされたものであり、LCDパネルのサイズに関係な
く、同一寸法の金属刃でLCDパネルの清掃に対応でき
ると共にLCDパネルの表面に付着したいかなる異物で
も確実に除去して清掃することができるLCDパネルの
清掃方法を提供することを目的とする。
The present invention has been made in order to solve the above-mentioned conventional problems. Regardless of the size of the LCD panel, the metal blade of the same size can be used for cleaning the LCD panel and attached to the surface of the LCD panel. It is an object of the present invention to provide a method for cleaning an LCD panel, which can surely remove and clean any foreign matter.

【0005】[0005]

【課題を解決するための手段】本発明は、金属刃でLC
Dパネルの表面を清掃するLCDパネルの清掃方法にお
いて、少なくとも一枚の公転可能な金属刃と該金属刃に
公転駆動力を付与する駆動手段とを備えた清掃ユニット
の金属刃をLCDパネルの表面に接触させ、該金属刃を
前記駆動手段により公転させると共に前記LCDパネル
が載置されているステージをステージ移動手段により移
動させ、さらに該ステージ移動方向と略直角方向に前記
金属刃を清掃ユニット移動手段によりLCDパネルの表
面上を移動させることを特徴とするLCDパネルの清掃
方法に関する。
The present invention uses a metal blade for LC
In a method of cleaning an LCD panel for cleaning a surface of a D panel, a metal blade of a cleaning unit having at least one revolvable metal blade and a drive means for applying a revolving driving force to the metal blade is used. To move the metal blade in a cleaning unit in a direction substantially perpendicular to the stage moving direction, while rotating the metal blade by the driving means and moving the stage on which the LCD panel is mounted by the stage moving means. A method for cleaning an LCD panel, which comprises moving the LCD panel surface by means.

【0006】[0006]

【作用】本発明によれば、金属刃は駆動手段によりLC
Dパネルの表面上で公転運動すると共にステージ移動手
段及び清掃ユニット移動手段により直進運動も付加され
るので、任意の位置で異なる方向からの清掃が行われ
る。また、公転している金属刃に対してLCDパネルが
載置されているステージが移動し、その移動方向と略直
角方向に清掃ユニットも移動するので、ステージと同等
のサイズまでは機構、部品の変更なく清掃される。
According to the present invention, the metal blade is LC by the driving means.
Since the orbital motion is performed on the surface of the D panel and the rectilinear motion is also added by the stage moving unit and the cleaning unit moving unit, cleaning is performed from different directions at arbitrary positions. Further, since the stage on which the LCD panel is mounted moves with respect to the revolving metal blade, and the cleaning unit also moves in a direction substantially perpendicular to the moving direction, up to the same size as the stage, there is no mechanism or component Cleaned without change.

【0007】[0007]

【実施例】以下、図面を参照して本発明の実施例を詳細
に説明する。図1は本発明にかかるLCDパネルの清掃
方法に使用される清掃装置の概略正面図であり、図2は
図1の清掃装置の左側面図である。図1及び図2に示す
ように、本発明にかかるLCDパネルの清掃方法に使用
される清掃装置は、二枚の公転可能な金属刃4と該金属
刃4に公転駆動力を付与するスピードコントロールモー
ター5とを備えた清掃ユニット13と、この清掃ユニッ
ト13を昇降させるシリンダー3と、清掃ユニット13
を横方向に移動させるパルスモーター6とから構成され
る。スピードコントロールモーター5から金属刃4への
公転駆動力の伝達は、図3に示すように行われる。すな
わち、スピードコントロールモーター5の回転が歯車か
み合い部11及び12を介して清掃ユニット13の先端
に固定された金属刃4に伝達され、該金属刃4は公転動
作を行う。
Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic front view of a cleaning device used in a method for cleaning an LCD panel according to the present invention, and FIG. 2 is a left side view of the cleaning device of FIG. As shown in FIGS. 1 and 2, a cleaning device used in a method for cleaning an LCD panel according to the present invention includes two revolvable metal blades 4 and a speed control for imparting revolving driving force to the metal blades 4. A cleaning unit 13 including a motor 5, a cylinder 3 for moving the cleaning unit 13 up and down, and a cleaning unit 13
And a pulse motor 6 for moving the horizontal direction. Transmission of the revolution drive force from the speed control motor 5 to the metal blade 4 is performed as shown in FIG. That is, the rotation of the speed control motor 5 is transmitted to the metal blade 4 fixed to the tip of the cleaning unit 13 via the gear meshing portions 11 and 12, and the metal blade 4 revolves.

【0008】次に、上記構成からなる清掃装置を用い
て、本発明にかかるLCDパネルの清掃方法を図面を参
照しながら説明する。先ず、清掃ユニット移動用パルス
モーター6を動作させて先端に公転可能な金属刃4を有
する清掃ユニット13を図1のY方向に移動させ、清掃
ユニット13がステージ2上に載置されたLCDパネル
1の一端部の上方に到達した時にパルスモーター6を停
止する。そして、LCDパネル1に対して、シリンダー
3により清掃ユニット13を下降させ、その先端の金属
刃4がLCDパネル1の一端部に接触した時点で、スピ
ードコントロールモーター5を動作させて金属刃4の公
転動作を開始させる。なお、本実施例では、金属刃4の
刃先の角度はLCDパネル1の面に対して40°に設定
され、スピードコントロールモーター5の回転数はLC
Dパネル1の面の同一箇所で2回以上の清掃が行われる
ように設定されている。
Next, a method for cleaning an LCD panel according to the present invention using the cleaning device having the above structure will be described with reference to the drawings. First, the cleaning unit moving pulse motor 6 is operated to move the cleaning unit 13 having the revolvable metal blade 4 in the Y direction in FIG. 1, and the cleaning unit 13 is placed on the stage 2 LCD panel. The pulse motor 6 is stopped when it reaches above one end of the pulse motor 1. Then, the cleaning unit 13 is lowered by the cylinder 3 with respect to the LCD panel 1, and when the metal blade 4 at the tip thereof comes into contact with one end of the LCD panel 1, the speed control motor 5 is operated to operate the metal blade 4. Start the orbital motion. In this embodiment, the angle of the edge of the metal blade 4 is set to 40 ° with respect to the surface of the LCD panel 1, and the rotation speed of the speed control motor 5 is LC.
It is set so that the same portion of the surface of the D panel 1 is cleaned twice or more.

【0009】次に、公転している金属刃4がLCDパネ
ル1と接触し、かつ、その位置が固定された状態でステ
ージ移動用パルスモーター10を動作させて、これによ
り図2のX方向にステージ2を移動させる。すなわち、
ステージ2をLCDパネル1の辺と平行な方向に移動さ
せることにより、公転している金属刃4はLCDパネル
1の表面を清掃することができる。続いて、金属刃4が
相対的にLCDパネル1の他端部(エッジ)に到達した
時点でパルスモーター10を停止させ、代わりにパルス
モーター6を動作させて清掃ユニット13を上記ステー
ジ移動方向と略直角方向、すなわち図1のY方向に移動
させる。
Next, the stage moving pulse motor 10 is operated while the revolving metal blade 4 is in contact with the LCD panel 1 and its position is fixed, whereby the stage moving pulse motor 10 is moved in the X direction of FIG. Move stage 2 That is,
By moving the stage 2 in a direction parallel to the side of the LCD panel 1, the revolving metal blade 4 can clean the surface of the LCD panel 1. Subsequently, when the metal blade 4 relatively reaches the other end (edge) of the LCD panel 1, the pulse motor 10 is stopped, and instead the pulse motor 6 is operated to move the cleaning unit 13 to the stage moving direction. It is moved in a substantially perpendicular direction, that is, in the Y direction of FIG.

【0010】そして、金属刃4がLCDパネル1の別の
他端部に到達した時点で、パルスモーター6を停止させ
ると共にパルスモーター10を動作させてステージ2を
上記清掃ユニット移動方向と略直角方向、すなわち図2
のX方向と逆方向に移動させる。最後に、金属刃4がL
CDパネル1の残りの端部に到達した時点で、パルスモ
ーター10を停止させると共にパルスモーター6を動作
させて清掃ユニット13を上記ステージ移動方向と略直
角方向、すなわち図1のY方向と逆方向に移動させる。
これにより、金属刃4は出発地点の端部に戻り、LCD
パネル1の全面の清掃が完了する。なお、上述した清掃
工程とは逆回りの清掃工程を採用してもよい。
When the metal blade 4 reaches the other end of the LCD panel 1, the pulse motor 6 is stopped and the pulse motor 10 is operated to move the stage 2 in a direction substantially perpendicular to the cleaning unit moving direction. , Ie Figure 2
Move in the direction opposite to the X direction. Finally, the metal blade 4 is L
When the remaining end of the CD panel 1 is reached, the pulse motor 10 is stopped and the pulse motor 6 is operated to move the cleaning unit 13 in a direction substantially perpendicular to the stage moving direction, that is, in the direction opposite to the Y direction in FIG. Move to.
As a result, the metal blade 4 returns to the end of the starting point, and the LCD
Cleaning of the entire surface of panel 1 is completed. In addition, you may employ | adopt the cleaning process of the reverse rotation to the above-mentioned cleaning process.

【0011】清掃終了後は、スピードコントロールモー
ター5をOFFにし、金属刃4の公転動作が停止する。
そして、シリンダー3により清掃ユニット13を上昇さ
せて、金属刃4とLCDパネル1との接触を解除し、一
連の清掃動作が終了する。なお、金属刃4の刃先を最適
な状態に保持するために、金属刃4はパルスモーター6
とシリンダー3によりローラーブラシ7の位置まで移動
され、該ローラーブラシ7の回転により清掃される。
After the cleaning is completed, the speed control motor 5 is turned off to stop the revolution of the metal blade 4.
Then, the cylinder 3 raises the cleaning unit 13 to release the contact between the metal blade 4 and the LCD panel 1, and the series of cleaning operations is completed. In order to keep the cutting edge of the metal blade 4 in an optimum state, the metal blade 4 is a pulse motor 6
It is moved to the position of the roller brush 7 by the cylinder 3 and is cleaned by rotating the roller brush 7.

【0012】[0012]

【発明の効果】本発明によれば、金属刃を駆動手段によ
りLCDパネルの表面上で公転運動させると共にステー
ジ移動手段及び清掃ユニット移動手段により直進運動も
付加することにより、任意の位置で異なる方向からの清
掃が行われ、方向性のある付着異物を容易に除去するこ
とができる。したがって、均一処理による品質の安定
化、材料ロスの低減を図ることができる。また、公転し
ている金属刃に対してLCDパネルが載置されているス
テージを移動させ、さらにその移動方向と略直角方向に
清掃ユニットも移動させることにより、LCDパネルの
サイズが変更したとしてもステージの位置データを変更
することのみで対応でき、専用治具、金属刃の交換の必
要がなくなる。
According to the present invention, the metal blade is revolved on the surface of the LCD panel by the driving means, and the rectilinear movement is added by the stage moving means and the cleaning unit moving means. Since the cleaning is performed from the above, it is possible to easily remove the directional adhered foreign matter. Therefore, the quality can be stabilized and the material loss can be reduced by the uniform treatment. Moreover, even if the size of the LCD panel is changed by moving the stage on which the LCD panel is placed with respect to the revolving metal blade and further moving the cleaning unit in a direction substantially perpendicular to the moving direction. It can be handled only by changing the position data of the stage, eliminating the need to replace the dedicated jig and metal blade.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明にかかるLCDパネルの清掃方法に用い
られる清掃装置の概略正面図である。
FIG. 1 is a schematic front view of a cleaning device used in a method for cleaning an LCD panel according to the present invention.

【図2】図1の清掃装置の左側面図である。FIG. 2 is a left side view of the cleaning device of FIG.

【図3】図2に示される清掃ユニットの概略構成図であ
る。
FIG. 3 is a schematic configuration diagram of the cleaning unit shown in FIG.

【図4】従来のLCDパネルの清掃方法を示す説明図で
ある。
FIG. 4 is an explanatory diagram showing a conventional LCD panel cleaning method.

【符号の説明】[Explanation of symbols]

1 LCDパネル 2 ステージ 3 シリンダー 4 金属刃 5 スピードコントロールモーター 6 パルスモーター 10 パルスモーター 13 清掃ユニット 1 LCD panel 2 Stage 3 Cylinder 4 Metal blade 5 Speed control motor 6 Pulse motor 10 Pulse motor 13 Cleaning unit

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 金属刃でLCDパネルの表面を清掃する
LCDパネルの清掃方法において、少なくとも一枚の公
転可能な金属刃と該金属刃に公転駆動力を付与する駆動
手段とを備えた清掃ユニットの金属刃をLCDパネルの
表面に接触させ、該金属刃を前記駆動手段により公転さ
せると共に前記LCDパネルが載置されているステージ
をステージ移動手段により移動させ、さらに該ステージ
移動方向と略直角方向に前記金属刃を清掃ユニット移動
手段によりLCDパネルの表面上を移動させることを特
徴とするLCDパネルの清掃方法。
1. A method for cleaning an LCD panel surface using a metal blade, comprising: a cleaning unit including at least one revolving metal blade and a drive means for applying a revolution driving force to the metal blade. The metal blade is brought into contact with the surface of the LCD panel, the metal blade is revolved by the driving means, the stage on which the LCD panel is placed is moved by the stage moving means, and the direction substantially perpendicular to the stage moving direction. A method for cleaning an LCD panel, wherein the metal blade is moved on the surface of the LCD panel by a cleaning unit moving means.
JP07052493A 1995-03-13 1995-03-13 How to clean LCD panel Expired - Fee Related JP3108312B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07052493A JP3108312B2 (en) 1995-03-13 1995-03-13 How to clean LCD panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07052493A JP3108312B2 (en) 1995-03-13 1995-03-13 How to clean LCD panel

Publications (2)

Publication Number Publication Date
JPH08248370A true JPH08248370A (en) 1996-09-27
JP3108312B2 JP3108312B2 (en) 2000-11-13

Family

ID=12916246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07052493A Expired - Fee Related JP3108312B2 (en) 1995-03-13 1995-03-13 How to clean LCD panel

Country Status (1)

Country Link
JP (1) JP3108312B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009114807A1 (en) * 2008-03-13 2009-09-17 Mettler-Toledo Autochem, Inc. Window scraper for an optical instrument
CN101884981A (en) * 2010-06-10 2010-11-17 中国电子科技集团公司第四十五研究所 Wafer cleaning device
CN104971912A (en) * 2015-07-03 2015-10-14 天峨县科学技术情报研究所 Tile cleaning device
CN108526152A (en) * 2018-04-18 2018-09-14 肖叶 A kind of cleaning device for pharmaceutical equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7200062B2 (en) 2019-07-26 2023-01-06 日本電子株式会社 Charged particle beam device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009114807A1 (en) * 2008-03-13 2009-09-17 Mettler-Toledo Autochem, Inc. Window scraper for an optical instrument
US8468642B2 (en) 2008-03-13 2013-06-25 Mettler-Toledo Autochem, Inc. Window scraper for an optical instrument
CN101884981A (en) * 2010-06-10 2010-11-17 中国电子科技集团公司第四十五研究所 Wafer cleaning device
CN104971912A (en) * 2015-07-03 2015-10-14 天峨县科学技术情报研究所 Tile cleaning device
CN108526152A (en) * 2018-04-18 2018-09-14 肖叶 A kind of cleaning device for pharmaceutical equipment

Also Published As

Publication number Publication date
JP3108312B2 (en) 2000-11-13

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