JPS58106523A - Manufacture of multi-layer type liquid crystal display element - Google Patents
Manufacture of multi-layer type liquid crystal display elementInfo
- Publication number
- JPS58106523A JPS58106523A JP20573781A JP20573781A JPS58106523A JP S58106523 A JPS58106523 A JP S58106523A JP 20573781 A JP20573781 A JP 20573781A JP 20573781 A JP20573781 A JP 20573781A JP S58106523 A JPS58106523 A JP S58106523A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- liquid crystal
- crystal display
- display element
- scribe line
- 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
Classifications
-
- 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は多層型液晶表示素子の製造方法に関し２、特に
液晶組成物を充填するためのセルを製造する方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a multilayer liquid crystal display element2, and particularly to a method for manufacturing a cell for filling a liquid crystal composition.
液晶表示装置は、低電圧で駆動させることができる上消
費電力が少なくて済む、等の利点から各種電子機器の表
示装置として広く利用されている。2. Description of the Related Art Liquid crystal display devices are widely used as display devices for various electronic devices because of their advantages such as being able to be driven at low voltage and consuming less power.
しかし液晶表示装置は、ガラス基板等の透光性絶縁基板
に、情報の表示が可能になるように透明電極が形成され
、更に該透明電極に動作電圧を印加するためのリード線
が一体的に形成されている。However, in a liquid crystal display device, transparent electrodes are formed on a transparent insulating substrate such as a glass substrate so that information can be displayed, and lead wires for applying an operating voltage to the transparent electrodes are integrally formed. It is formed.
このように一つの基板平面内に電極及びリード線を他の
電極及びリード線と電気的に絶縁された状態で作製しな
ければならないため、電極パターンの形状は制限された
ものになり、複雑なパターンを表示させることはできず
情報量としては必ずしも充分とはいい難かった。In this way, electrodes and lead wires must be fabricated within one substrate plane while being electrically insulated from other electrodes and lead wires, which limits the shape of the electrode pattern and creates complex patterns. It was not possible to display patterns, and the amount of information was not necessarily sufficient.
上記のような欠点を補う一つの方法として、多層型液晶
表示装置が考案されている。第１図はこの種の多層型液
晶表示装置の断面を示し、２層に液晶表示装置が積層さ
れている。A multilayer liquid crystal display device has been devised as one method to compensate for the above-mentioned drawbacks. FIG. 1 shows a cross section of this type of multilayer liquid crystal display device, in which two layers of liquid crystal display devices are stacked.
同図において、第１層の液晶層１は上基板２と中基板３
間に挾持され、第２層の液晶層４は上記中基板３と下基
板５との間に挾持されている。」二記各基板２．３．５
の液晶組成物と対向する面には透明電極及びリード線６
．７．８．９が形成され、更に液晶組成物に配向性を付
与するための配向膜１０゜Ｉ＋、１２．１３が形成され
ている。該配向膜が形成された基板間は、シール材１４
．１５を介して液晶充填用の空間が確保され、図の如く
２層構造の液晶表示装置が作製される。In the same figure, the first liquid crystal layer 1 consists of an upper substrate 2 and a middle substrate 3.
A second liquid crystal layer 4 is sandwiched between the middle substrate 3 and the lower substrate 5. ” 2. Each board 2.3.5
Transparent electrodes and lead wires 6 are provided on the surface facing the liquid crystal composition.
．． 7, 8, and 9 are formed, and alignment films 10°I+ and 12.13 for imparting alignment to the liquid crystal composition are further formed. A sealing material 14 is provided between the substrates on which the alignment film is formed.
．． A space for filling the liquid crystal is secured through 15, and a two-layer liquid crystal display device is manufactured as shown in the figure.
ここで」二記多層型液晶表示素子の製造において、少な
くとも３枚の基板、即ち上基板、中基板、下基板をシー
ル材を介Ｌ７て積層する必要がある。捷だ各基板は通常
複数セル分を切り出すことができる大きい基板が用いら
れ、多層構造に積層された状態で各ユニットセルに分断
される。In manufacturing the multilayer liquid crystal display element described in Section 2, it is necessary to laminate at least three substrates, that is, an upper substrate, a middle substrate, and a lower substrate with a sealant interposed therebetween. Each shredded board is usually a large board that can be cut out into multiple cells, and the boards are laminated in a multilayer structure and then cut into unit cells.
従来の基板組立て作業は、大きい面積のガラス基板を用
いて、これらを多層構造に積層した後、１１１１１
各ユニ、／）に分断する方法が採られ、基板分断の手段
としては２つの方法が試みられている。一つはダイ７ン
グソウ等の湿式装置による方法であり、他の方法は特開
昭５６−６７８１９号公報に記載された方法である。即
ち中基板に予めスクライブ線を施こし、このような中基
板に上基板及び下基板を積層して多層構造とする。その
後」二下基板にスフライフ線を施こして寸ずこのスフラ
イフ線から」二下基板を切断し、最後に中基板のスクラ
イブ線から切断することによって個々の素子に分離して
いるＯ
前者の湿式装置ヲ利用して分断する場合には、湿式によ
っているためその後の乾燥処理等が煩雑であるばかりで
なく、分断速度も遅いという欠点があった。Conventional board assembly work uses large-area glass substrates, stacks them into a multilayer structure, and then divides them into 11,111 units, /). Two methods have been tried to divide the substrates. It is being One is a method using a wet device such as a dyeing saw, and the other method is a method described in Japanese Patent Application Laid-Open No. 56-67819. That is, a scribe line is formed in advance on the middle substrate, and an upper substrate and a lower substrate are laminated on the middle substrate to form a multilayer structure. After that, a ``Suflife wire'' is applied to the second lower substrate, and the second lower substrate is cut from the ``Suflife wire'' of the small substrate, and finally it is separated into individual elements by cutting from the scribe line of the middle substrate. When cutting using a device, there is a disadvantage that not only the subsequent drying process is complicated but also the cutting speed is slow because it is a wet process.
また後者の方法においては、積層工程の前に予め中基板
にスクライブ線を形成しているため、スクライブ線のみ
で分断されるような肉厚の薄い基板を利用することでき
ず、セル構造が厚くなる惧れがあり、また薄い基板を用
いた場合には作業中に破損を招く倶れがあって必ずしも
充分な歩留りが得られなかった。In addition, in the latter method, scribe lines are formed on the middle substrate before the lamination process, so it is not possible to use thin substrates that can be divided only by the scribe lines, and the cell structure is thick. Furthermore, when a thin substrate is used, there is a risk of damage during work, and a sufficient yield cannot necessarily be obtained.
本発明は上記従来の製造方法における欠点に鑑みてなさ
れたもので、作業性の良好な製造方法を提供するもので
、次に図面第２図（ａ）〜（ｅ）を用いて本発明の詳細
な説明する。The present invention has been made in view of the above-mentioned drawbacks of the conventional manufacturing method, and aims to provide a manufacturing method with good workability. Detailed explanation.
従来装置と同様に電極及び配向処理が施こされた上基板
２１と中基板２２が、まず第２図（ａ）に示す如くシー
ル材２３を介して液晶封入間隙を隔てて相対向させて接
着される。両基板２１及び２２が接着された後、中基板
２２の表面にダイヤモンド或いは超硬ローラを用いた乾
式ガラスカッタにてスクライブ線２４が形成される。中
基板２２は続いて第２図（ｂ）に示す如く、ブレーキン
グが行われて上記スクライブ線２４の部分から中基板２
２に分断線２５が形成される。即ち多層構造のセル内部
に配置されることになる中基板２２について、分断によ
るユニット化が容易になるように上又は下基板に積層さ
れた後ブレーキング捷で施こされる。The upper substrate 21 and the middle substrate 22, which have been subjected to electrode and alignment treatment in the same way as in the conventional device, are first bonded to each other with a liquid crystal filling gap in between, with a sealing material 23 in between, as shown in FIG. 2(a). be done. After both substrates 21 and 22 are bonded, scribe lines 24 are formed on the surface of the middle substrate 22 using a dry glass cutter using a diamond or carbide roller. Next, as shown in FIG. 2(b), the middle board 22 is braked to separate the middle board 2 from the scribe line 24.
A dividing line 25 is formed at 2. That is, the middle substrate 22 to be placed inside the multilayered cell is laminated on the upper or lower substrate and then subjected to a braking process so that it can be easily divided into units.
」二記中基板２２のブレーキング処理の後、中基板２２
を挾んで下基板２６が同様に第２図（ｃ）の如くシール
材２７を介して接着される。多層構造に積層された上記
基板は、第２図（ｄ）の如く上基板２１の表面にスクラ
イブ線２８が形成され、続いて該スクライブ線２８から
上基板２１がブレーキングされる。次に下基板２６の表
面にスクライブ線２９が形成され、該スクライブ線２９
から下基板２６がブレーキングされる。該下基板２６の
ブレーキングによって第２図（ｅ）の如くユニットセル
に分断され、第１図に示す多層構造液晶表示素子を作製
する。” After the braking process of the middle board 22, the middle board 22
The lower substrate 26 is similarly bonded with the sealing material 27 in between as shown in FIG. 2(c). In the multilayered substrates, a scribe line 28 is formed on the surface of the upper substrate 21 as shown in FIG. 2(d), and then the upper substrate 21 is braked from the scribe line 28. Next, a scribe line 29 is formed on the surface of the lower substrate 26, and the scribe line 29
The lower substrate 26 is then braked. By braking the lower substrate 26, it is divided into unit cells as shown in FIG. 2(e), thereby producing the multilayer structure liquid crystal display element shown in FIG.
上記実施例は中基板２２に上基板２１を積層した後、下
基板２６を積層した場合を挙げたが、逆に下基板２６を
先に積層してセルを作製することができる。In the above embodiment, the upper substrate 21 is laminated on the middle substrate 22, and then the lower substrate 26 is laminated thereon. However, conversely, the cell can be manufactured by laminating the lower substrate 26 first.
以上のように本発明によれば、基板分断時に乾式分断を
採用しているため、湿式分断に比べて乾燥等の作業を必
要とせず、仕上り素子の特性を損う要因を減少させるこ
とができる。また中基板は一方の基板に支持されるため
肉厚の薄い基板を利用することができ、上側表示素子、
下側表示素子における表示パターンの角度依存性視差の
小さい高品位の表示特性をもつ多層型液晶表示素子を得
ることができる。As described above, according to the present invention, since dry cutting is used when cutting the substrate, drying and other operations are not required compared to wet cutting, and factors that impair the characteristics of finished devices can be reduced. . In addition, since the middle substrate is supported by one substrate, a thin substrate can be used, and the upper display element,
A multilayer liquid crystal display element having high-quality display characteristics with small angle-dependent parallax of a display pattern in the lower display element can be obtained.
第１図は多層型液晶表示素子の断面図、第２図（ａ）〜
（ｅ）は本発明による一実施例の工程を説明するための
断面図である。
２１：」二基板 ２２°中基板 ２３．２７：シール材
２４．２８．２９ スクライブ線 ２５．ブレーキ
ングライン
代理人 弁理士 福 士 愛 彦Figure 1 is a cross-sectional view of a multilayer liquid crystal display element, Figure 2 (a) -
(e) is a cross-sectional view for explaining the process of one embodiment according to the present invention. 21: "Two substrates 22° middle substrate 23. 27: Sealing material 24. 28. 29 Scribe line 25. Braking Line Agent Patent Attorney Aihiko Fukushi
Claims (1)
夫々の基板間を接着層を介して液晶充填用空間を形成し
てなる多層型液晶表示素子の製造方法において、上又は
下基板の一方に接着層を介して中基板を積層し、該中基
板にスクライブ線を施こし更にブレーキングを行う工程
と、上記プレーキング工程の後に」二記中基板に上又は
下の一方の基板を接着層を介して積層する工程と、該積
層された基板にスクライブ線を施こし続いてブレーキン
グを行う工程と、他方の下又は上基板を接着層を介して
積層し、スクライブ線及びブレーキングを行って各単位
素子に分断する工程とからなることを特徴とする多層型
液晶表示素子の製造方法。1. At least one middle board is arranged between the upper and lower boards,
In a method for manufacturing a multilayer liquid crystal display element in which a liquid crystal filling space is formed between each substrate through an adhesive layer, an intermediate substrate is laminated on one of the upper or lower substrates through an adhesive layer; After the above-mentioned scribing step, a step of laminating one of the upper or lower substrates on the middle substrate via an adhesive layer, and a step of laminating the laminated substrate with an upper or lower substrate via an adhesive layer. It is characterized by consisting of a step of applying scribe lines and then applying braking, and a step of laminating the other lower or upper substrate via an adhesive layer, and applying scribe lines and braking to divide it into each unit element. A method for manufacturing a multilayer liquid crystal display element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20573781A JPS58106523A (en) | 1981-12-18 | 1981-12-18 | Manufacture of multi-layer type liquid crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20573781A JPS58106523A (en) | 1981-12-18 | 1981-12-18 | Manufacture of multi-layer type liquid crystal display element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58106523A true JPS58106523A (en) | 1983-06-24 |
Family
ID=16511824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20573781A Pending JPS58106523A (en) | 1981-12-18 | 1981-12-18 | Manufacture of multi-layer type liquid crystal display element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58106523A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102524A (en) * | 1987-10-16 | 1989-04-20 | Stanley Electric Co Ltd | Manufacture of multi-layer type liquid crystal cell |
| EP0924547A1 (en) * | 1997-12-22 | 1999-06-23 | Asulab S.A. | Method of fabrication of electro-optic cells, in particular with liquid crystals |
| JP2013064906A (en) * | 2011-09-20 | 2013-04-11 | Nippon Electric Glass Co Ltd | Manufacturing method of liquid crystal element |
-
1981
- 1981-12-18 JP JP20573781A patent/JPS58106523A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102524A (en) * | 1987-10-16 | 1989-04-20 | Stanley Electric Co Ltd | Manufacture of multi-layer type liquid crystal cell |
| EP0924547A1 (en) * | 1997-12-22 | 1999-06-23 | Asulab S.A. | Method of fabrication of electro-optic cells, in particular with liquid crystals |
| JP2013064906A (en) * | 2011-09-20 | 2013-04-11 | Nippon Electric Glass Co Ltd | Manufacturing method of liquid crystal element |
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