JP2008158464A - Manufacturing method of thin liquid crystal display panel - Google Patents

Manufacturing method of thin liquid crystal display panel Download PDF

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JP2008158464A
JP2008158464A JP2006350441A JP2006350441A JP2008158464A JP 2008158464 A JP2008158464 A JP 2008158464A JP 2006350441 A JP2006350441 A JP 2006350441A JP 2006350441 A JP2006350441 A JP 2006350441A JP 2008158464 A JP2008158464 A JP 2008158464A
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liquid crystal
substrate
thin glass
thin
crystal display
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JP5215558B2 (en
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Yoshinori Seihikari
義則 正光
Osamu Sato
治 佐藤
Hidefumi Yamashita
英文 山下
Kaoru Furuta
薫 古田
Yuichi Momoi
優一 桃井
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LG Display Co Ltd
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LG Display Co Ltd
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Priority to KR1020070045950A priority patent/KR20080060124A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1341—Filling or closing of cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

Abstract

<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a thin liquid crystal display panel wherein waste of a substrate material is eliminated. <P>SOLUTION: The manufacturing method includes: a step for sticking and fixing reinforcement substrates 12 and 22 to a pair of thin glass substrates 11 and 21, respectively; a step for forming display control members on respective thin glass substrates of the pair of thin glass substrates to which the reinforcement substrates are stuck; a step for facing the pair of thin glass substrates to which the reinforcement substrates are stuck so that the thin glass substrates on which the display control members are formed are faced to inner sides, sticking and assembling the pair of thin glass substrates so as to fill a liquid crystal therebetween and sealing the thin glass substrates by using a sealing material; and a step for removing the reinforcement substrates from the pair of sealed thin glass substrates. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、薄板液晶表示パネルの製造方法、特に薄板にするための研磨による基板材料の無駄使いを無くしたものに関する。   The present invention relates to a method for manufacturing a thin liquid crystal display panel, and more particularly to a method for eliminating wasteful use of substrate material due to polishing to make a thin plate.

従来、薄板液晶表示パネル(例えばパネル厚約０.６ｍｍ)を製造するときは、それぞれ厚板ガラス基板(例えば板厚約０.６ｍｍ)を用いて、ＴＦＴ−アレイ工程でＴＦＴ−アレイ基板、カラーフィルタ(ＣＦ)工程でカラーフィルタ基板を作成し、間に液晶を挟むようにしてこれらの基板を貼り合わせ(組み立て工程)、１枚の基板に複数形成された薄板液晶表示パネルを分離(ブレイク工程)した後、各薄板液晶表示パネルを、表裏両側のガラス基板を薬液処理(エッチング)工程、または研磨工程により薄くしてパネル厚約０.６ｍｍの薄板液晶表示パネルを製造していた。これにより原材料となるガラスの半分が薬液処理工程または研磨工程で捨てられている。   Conventionally, when manufacturing a thin liquid crystal display panel (for example, a panel thickness of about 0.6 mm), a thick glass substrate (for example, a thickness of about 0.6 mm) is used for each TFT-array substrate, color filter in the TFT-array process. After creating color filter substrates in the (CF) process and bonding these substrates with the liquid crystal sandwiched between them (assembly process) After separating multiple thin liquid crystal display panels formed on one substrate (breaking process) Each thin liquid crystal display panel was thinned by a chemical treatment (etching) process or a polishing process on the front and back glass substrates to produce a thin liquid crystal display panel having a panel thickness of about 0.6 mm. As a result, half of the glass as a raw material is discarded in the chemical treatment process or the polishing process.

なお、一般の半導体素子基板の製造方法において、厚みの薄い部分を有する半導体素子基板に補強材を貼り付けて製造を行うものがある(例えば特許文献１参照)。   In addition, in a general method for manufacturing a semiconductor element substrate, there is a method in which a reinforcing material is attached to a semiconductor element substrate having a thin portion (for example, refer to Patent Document 1).

特開平６−２３０４３０号公報JP-A-6-230430

以上のように従来の薄板液晶表示パネルを製造方法では、厚板ガラス基板を薬液処理工程または研磨工程により削って薄くして製造していたので、原材料となるガラスが無駄に捨てられているという課題があった。   As described above, in the conventional method for manufacturing a thin liquid crystal display panel, a thick glass substrate is cut and thinned by a chemical treatment process or a polishing process, so that the glass as a raw material is wasted. was there.

この発明は、基板材料の無駄使いを無くした薄板液晶表示パネルの製造方法を提供することを目的とする。   It is an object of the present invention to provide a method for manufacturing a thin liquid crystal display panel that eliminates wasteful use of substrate materials.

この発明は、一対の薄板ガラス基板にそれぞれ補強基板を貼り合わせて固定する工程と、補強基板が貼り合わされた一対の薄板ガラス基板の各薄板ガラス基板にそれぞれ表示制御部品を形成する工程と、補強基板が貼り合わされた一対の薄板ガラス基板を表示制御部品が形成された薄板ガラス基板が内側になるように向かい合わせにして間に液晶を充填させるようにして貼り合わせて組み立て、シール材により封着する工程と、封着された一対の薄板ガラス基板からそれぞれ補強基板を取り外す工程と、を備えたことを特徴とする薄板液晶表示パネルの製造方法にある。   The present invention includes a step of bonding and fixing a reinforcing substrate to a pair of thin glass substrates, a step of forming display control components on each of the thin glass substrates of the pair of thin glass substrates to which the reinforcing substrate is bonded, A pair of thin glass substrates to which the substrates are bonded are face-to-face so that the thin glass substrate on which the display control component is formed faces inside, and the liquid crystal is filled in between them. And a step of removing the reinforcing substrate from the pair of sealed thin glass substrates, respectively, in a method of manufacturing a thin liquid crystal display panel.

この発明においては、薄板ガラス基板に補強基板を貼り合わせて製造を行い、補強基板はブレイク前に取り外されるため、再使用が可能で、基板材料の無駄使いを軽減できる。   In the present invention, a reinforcing substrate is bonded to a thin glass substrate for manufacturing, and the reinforcing substrate is removed before breaking, so that it can be reused and wasteful use of substrate material can be reduced.

実施の形態１．
図１はこの発明の一実施の形態による薄板液晶表示パネルの製造方法の製造工程を概略的に示す図である。以下、図に従って製造方法を説明する。まず(ａ)に示すように、一対の薄板ガラス基板である第１および第２薄板ガラス基板１１，２１と、第１および第２補強基板１２，２２を準備する。補強基板１２，２２はガラス基板又は金属板からなる。薄板ガラス基板１１，２１の板厚はそれぞれ例えば約０.３ｍｍ、補強基板１２，２２の板厚はそれぞれ例えば約１ｍｍである。 Embodiment 1 FIG.
FIG. 1 schematically shows a manufacturing process of a method for manufacturing a thin liquid crystal display panel according to an embodiment of the present invention. The manufacturing method will be described below with reference to the drawings. First, as shown to (a), the 1st and 2nd thin glass substrates 11 and 21 which are a pair of thin glass substrates, and the 1st and 2nd reinforcement substrates 12 and 22 are prepared. The reinforcing substrates 12 and 22 are made of a glass substrate or a metal plate. The thickness of the thin glass substrates 11 and 21 is about 0.3 mm, for example, and the thickness of the reinforcing substrates 12 and 22 is about 1 mm, for example.

次に(ｂ)に示すように、第１および第２薄板ガラス基板１１，２１にそれぞれ第１および第２補強基板１２，２２を貼り合わせて第１および第２貼合せ基板１０，２０を形成する。補強基板１２，２２は薄板ガラス基板１１，２１に例えば接着剤(図示省略)で貼り合わされる、または図２に示すように複数のクリップ１５で補強基板１２，２２を薄板ガラス基板１１，２１に重ねた状態で固定する(貼り合せ工程)。   Next, as shown in (b), the first and second laminated substrates 10 and 20 are formed by bonding the first and second reinforcing substrates 12 and 22 to the first and second thin glass substrates 11 and 21, respectively. To do. The reinforcing substrates 12 and 22 are bonded to the thin glass substrates 11 and 21 with, for example, an adhesive (not shown), or the reinforcing substrates 12 and 22 are attached to the thin glass substrates 11 and 21 with a plurality of clips 15 as shown in FIG. Fix in a stacked state (bonding process).

次に(ｃ)に示すように、第１および第２貼合せ基板１０，２０のそれぞれ第１および第２薄板ガラス基板１１，２１の一方の薄板ガラス基板に表示制御部品としてカラーフィルタ、共通電極、ブラックマトリックス等(共に図示省略)を形成するカラーフィルタ(ＣＦ)工程を施し((ｃ)では第１薄板ガラス基板１１側)、他方の薄板ガラス基板に表示制御部品としてデータラインやゲートライン等の信号配線、データラインとゲートラインとの交差部のＴＦＴやピクセル電極等(共に図示省略)を形成するＴＦＴ−アレイ工程を施す((ｃ)では第２薄板ガラス基板２１側)。通常、薄板液晶表示パネル複数個分の基板が１枚の薄板ガラス基板上に同時にそれぞれ形成される。   Next, as shown in (c), a color filter and a common electrode are provided as display control components on one of the first and second thin glass substrates 11 and 21 of the first and second laminated substrates 10 and 20, respectively. , A color filter (CF) process for forming a black matrix or the like (both not shown) (on the first thin glass substrate 11 side in (c)), a data line, a gate line, etc. as a display control component on the other thin glass substrate A TFT-array process for forming TFTs, pixel electrodes, and the like (both not shown) at the intersections of the signal lines and the data lines and the gate lines (the second thin glass substrate 21 side in (c)) is performed. Usually, substrates for a plurality of thin liquid crystal display panels are simultaneously formed on a single thin glass substrate.

次に(ｄ)に示すように、カラーフィルタ(ＣＦ)工程、ＴＦＴ−アレイ工程がそれぞれ施された第１および第２貼合せ基板１０，２０を、第１および第２薄板ガラス基板１１，２１が内側になるように向かい合わせにし、(ｅ)に示すように間に液晶(図示省略)を充填させるようにして貼り合わせて組み立て、一方の薄板ガラス基板の周縁部に形成されたシール材(図示省略)により封着する(組み立て工程)。   Next, as shown in (d), the first and second laminated glass substrates 11 and 21 that have been subjected to the color filter (CF) process and the TFT-array process are respectively connected to the first and second thin glass substrates 11 and 21. Are attached so as to face each other, and as shown in (e), the liquid crystal (not shown) is filled and bonded together to assemble the sealing material formed on the peripheral edge of one thin glass substrate ( Sealing is performed (assembly process).

次に(ｆ)に示すように、封着されて一体になった第１および第２貼合せ基板１０，２０の表裏両側の第１および第２補強基板１２，２２をそれぞれ取り外す(取り外し工程)。   Next, as shown in (f), the first and second reinforcing substrates 12 and 22 on both the front and back sides of the first and second bonded substrates 10 and 20 that are sealed and integrated are removed (removal step), respectively. .

次に(ｇ)に示すように、補強基板が取り外された第１および第２薄板ガラス基板１１，２１からなる薄板液晶表示パネル基板に、１個分の薄板液晶表示パネルごとに切り出すためのカットを入れた(スクラブ工程)後、１個分の薄板液晶表示パネルの切り出しを行う(ブレイク工程)。   Next, as shown in (g), a cut for cutting out each thin liquid crystal display panel for one thin liquid crystal display panel substrate made of the first and second thin glass substrates 11 and 21 from which the reinforcing substrate has been removed. After putting (scrub process), one thin liquid crystal display panel is cut out (break process).

なお、取り外した補強基板は、再度、補強基板として利用できる。また、１枚の薄板液晶表示パネル基板上に１個分の薄板液晶表示パネルを形成する場合でもこの発明は適用可能であり、その場合には図１の(ｇ)に示すスクラブ工程とブレイク工程はない。   The removed reinforcing substrate can be used again as a reinforcing substrate. The present invention can also be applied to the case where one thin liquid crystal display panel is formed on one thin liquid crystal display panel substrate. In this case, the scrubbing process and the breaking process shown in FIG. There is no.

この発明の一実施の形態による薄板液晶表示パネルの製造方法の製造工程を概略的に示す図である。It is a figure which shows schematically the manufacturing process of the manufacturing method of the thin-plate liquid crystal display panel by one Embodiment of this invention. この発明における薄板ガラス基板に補強基板を貼り合わせて固定する方法の一例を説明するための図である。It is a figure for demonstrating an example of the method of bonding and fixing a reinforcement board | substrate to the thin glass substrate in this invention.

符号の説明Explanation of symbols

１０ 第１貼合せ基板、１１ 第１薄板ガラス基板、１２ 第１補強基板、１５ クリップ、２０ 第２貼合せ基板、２１ 第２薄板ガラス基板、２２ 第２補強基板。   DESCRIPTION OF SYMBOLS 10 1st laminated substrate, 11 1st thin glass substrate, 12 1st reinforcement substrate, 15 clip, 20 2nd lamination substrate, 21 2nd thin glass substrate, 22 2nd reinforcement substrate.

Claims (6)

一対の薄板ガラス基板にそれぞれ補強基板を貼り合わせて固定する工程と、
補強基板が貼り合わされた一対の薄板ガラス基板の各薄板ガラス基板にそれぞれ表示制御部品を形成する工程と、
補強基板が貼り合わされた一対の薄板ガラス基板を表示制御部品が形成された薄板ガラス基板が内側になるように向かい合わせにして間に液晶を充填させるようにして貼り合わせて組み立て、シール材により封着する工程と、
封着された一対の薄板ガラス基板からそれぞれ補強基板を取り外す工程と、
を備えたことを特徴とする薄板液晶表示パネルの製造方法。 A step of bonding and fixing a reinforcing substrate to each of a pair of thin glass substrates;
Forming a display control component on each thin glass substrate of the pair of thin glass substrates to which the reinforcing substrate is bonded; and
A pair of thin glass substrates to which the reinforcing substrate is bonded are face-to-face so that the thin glass substrate on which the display control components are formed face inward, and the liquid crystal is filled in between them. Wearing process;
Removing each reinforcing substrate from the pair of sealed thin glass substrates;
A method for producing a thin liquid crystal display panel. 各薄板ガラス基板に薄板液晶表示パネル複数個分の基板が形成され、
補強基板が取り外された封着された薄板ガラス基板に１個分の薄板液晶表示パネルの基板ごとに切り出すためのカットを入れた後、１個分の薄板液晶表示パネルの基板を切り出す工程をさらに備えたことを特徴とする請求項１に記載の薄板液晶表示パネルの製造方法。 A substrate for a plurality of thin liquid crystal display panels is formed on each thin glass substrate,
A step of cutting the substrate for the thin liquid crystal display panel for one sheet after the cut to cut for each substrate of the thin liquid crystal display panel for one sheet is made on the sealed thin glass substrate from which the reinforcing substrate is removed; The method for manufacturing a thin liquid crystal display panel according to claim 1, comprising: 補強基板がガラス基板からなることを特徴とする請求項１または２に記載の薄板液晶表示パネルの製造方法。   The method for producing a thin liquid crystal display panel according to claim 1 or 2, wherein the reinforcing substrate is made of a glass substrate. 補強基板が金属板からなることを特徴とする請求項１または２に記載の薄板液晶表示パネルの製造方法。   The method for producing a thin liquid crystal display panel according to claim 1, wherein the reinforcing substrate is made of a metal plate. 補強基板が薄板ガラス基板に接着剤で貼り合わせて固定されることを特徴とする請求項１から４までのいずれか１項に記載の薄板液晶表示パネルの製造方法。   The method for producing a thin liquid crystal display panel according to any one of claims 1 to 4, wherein the reinforcing substrate is bonded and fixed to the thin glass substrate with an adhesive. 補強基板が薄板ガラス基板にクリップにより重ねた状態で固定されることを特徴とする請求項１から４までのいずれか１項に記載の薄板液晶表示パネルの製造方法。   The method for producing a thin liquid crystal display panel according to any one of claims 1 to 4, wherein the reinforcing substrate is fixed to the thin glass substrate in a state of being overlapped by a clip.
JP2006350441A 2006-12-26 2006-12-26 Manufacturing method of thin liquid crystal display panel Expired - Fee Related JP5215558B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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KR101377917B1 (en) 2012-08-17 2014-03-24 아사히 가라스 가부시키가이샤 Method for manufacturing member for electronic device, method for manufacturing electronic device, and member for electronic device
KR101377826B1 (en) 2012-11-22 2014-03-25 아사히 가라스 가부시키가이샤 Method for manufacturing member for electronic device, method for manufacturing electronic device, and member for electronic device
US9500890B2 (en) 2013-11-15 2016-11-22 Samsung Display Co., Ltd. Method of manufacturing device substrate and display device manufactured using the same

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KR101377917B1 (en) 2012-08-17 2014-03-24 아사히 가라스 가부시키가이샤 Method for manufacturing member for electronic device, method for manufacturing electronic device, and member for electronic device
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