JPH05241170A - Production of liquid crystal display element - Google Patents
Production of liquid crystal display elementInfo
- Publication number
- JPH05241170A JPH05241170A JP4526692A JP4526692A JPH05241170A JP H05241170 A JPH05241170 A JP H05241170A JP 4526692 A JP4526692 A JP 4526692A JP 4526692 A JP4526692 A JP 4526692A JP H05241170 A JPH05241170 A JP H05241170A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- cell
- cell unit
- sealing material
- outer peripheral
- 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
- G02F1/1341—Filling or closing of cells
-
- 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
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は液晶表示素子の製造方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a liquid crystal display device.
【０００２】[0002]
【従来の技術】液晶表示素子は、一般に、複数の液晶セ
ルを採取できる面積の一対の透明基板をその各セル部に
それぞれその液晶封入領域を囲んで設けたシール材を介
して接着して複数の液晶セルが集合したセルユニットを
組立て、このセルユニットの表面（基板表面）の汚れを
拭き取り除去した後、セルユニットを各セルに分離し
て、各セルの液晶封入領域に液晶を注入する方法で製造
されている。2. Description of the Related Art Generally, a liquid crystal display element is formed by adhering a pair of transparent substrates each having an area capable of collecting a plurality of liquid crystal cells to each cell portion through a sealing material surrounding the liquid crystal enclosing area. A method of assembling a cell unit in which liquid crystal cells are assembled, wiping off the dirt on the surface (substrate surface) of the cell unit, separating the cell unit into cells, and injecting liquid crystal into the liquid crystal enclosing area of each cell. Is manufactured in.
【０００３】なお、上記一対の基板の各セル部にはそれ
ぞれ表示用の透明電極と配向膜が形成されている。ま
た、上記シール材には、その一辺を部分的に切欠して形
成した液晶注入口液晶注入口が設けられており、セル内
への液晶の注入は真空注入法によって行なわれ、前記液
晶注入口は液晶注入後に封止されている。A transparent electrode for display and an alignment film are formed on each cell portion of the pair of substrates. Further, the sealing material is provided with a liquid crystal injection port liquid crystal injection port formed by partially cutting one side thereof, and the liquid crystal is injected into the cell by a vacuum injection method. Is sealed after liquid crystal injection.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来
は、セルユニットの表面の汚れを手作業によって拭き取
っているため、ユニット表面の汚れを完全に除去するこ
とが難しいし、また汚れの除去に手間と時間がかかっ
て、これが液晶表示素子の製造コストを上昇させる要因
となっていた。However, conventionally, since the dirt on the surface of the cell unit is wiped off manually, it is difficult to completely remove the dirt on the surface of the unit, and it is troublesome to remove the dirt. This takes time, which has been a factor of increasing the manufacturing cost of the liquid crystal display element.
【０００５】本発明の目的は、セルユニットの表面の汚
れをほぼ完全にかつ能率良く除去することができ、しか
もユニット表面の汚れを除去する際に、液晶表示素子の
特性に影響を及ぼす物質をセル内に入り込ませてしまう
こともない、液晶表示素子の製造方法を提供することに
ある。The object of the present invention is to remove the stains on the surface of the cell unit almost completely and efficiently, and to remove the stains on the surface of the unit from the substances that affect the characteristics of the liquid crystal display element. An object of the present invention is to provide a method for manufacturing a liquid crystal display element, which does not allow it to enter the cell.
【０００６】[0006]
【課題を解決するための手段】本発明の液晶表示素子の
製造方法は、A method of manufacturing a liquid crystal display device according to the present invention comprises:
【０００７】複数の液晶セルを採取できる面積の一対の
透明基板を、その各セル部にそれぞれその液晶封入領域
を囲んで設けた一辺に液晶注入口を有するセル部シール
材と、基板外周部に設けた一辺に通気口を有する外周シ
ール材とを介して接着してなり、かつ少なくとも前記通
気口の近傍に位置するセル部の前記液晶注入口は前記外
周シール材の通気口形成辺に向き合わない側に設けたセ
ルユニットを組立てる工程と、前記通気口を封止剤によ
り封止して前記セルユニット内を密封する工程と、密封
した前記セルユニットの表面を洗浄液中で洗浄する工程
と、洗浄した前記セルユニットを各セルに分離する工程
と、前記セルの液晶封入領域に前記液晶注入口から液晶
を注入する工程と、液晶を注入したセルの液晶注入口を
封止する工程と、からなることを特徴とするものであ
る。A pair of transparent substrates each having an area capable of collecting a plurality of liquid crystal cells, a cell portion sealing member having a liquid crystal injection port on one side provided in each cell portion so as to surround the liquid crystal enclosing region, and a peripheral portion of the substrate. The liquid crystal injection port of the cell portion, which is adhered via an outer peripheral sealing material having a ventilation hole on one side provided and is at least near the ventilation hole, does not face the ventilation hole forming side of the outer peripheral sealing material. A step of assembling the cell unit provided on the side, a step of sealing the inside of the cell unit by sealing the vent hole with a sealant, a step of cleaning the surface of the sealed cell unit in a cleaning liquid, and a cleaning step. A step of separating the cell unit into each cell, a step of injecting liquid crystal from the liquid crystal injection port into a liquid crystal filling area of the cell, and a step of sealing the liquid crystal injection port of the cell in which the liquid crystal is injected, It is characterized in that Ranaru.
【０００８】[0008]
【作用】本発明によれば、セルユニットの表面を洗浄液
中で洗浄しているため、ユニット表面の汚れをほぼ完全
にかつ能率良く除去することができる。According to the present invention, since the surface of the cell unit is cleaned in the cleaning liquid, the dirt on the surface of the unit can be removed almost completely and efficiently.
【０００９】しかも、本発明では、セルユニットの外周
を一対の基板の外周部を接着する外周シール材によって
シールしておき、この外周シール材に設けた通気口を封
止してセルユニット内を密封した状態でセルユニットを
洗浄しているため、セルユニットを洗浄液中に浸して
も、セルユニットの内部に洗浄液が侵入してセル部に入
り込むことはない。なお、上記通気口は、一対の基板を
前記各シール材を介して接着する際に両基板間の余剰空
気を外部に逃がしてやるために設けている。In addition, in the present invention, the outer periphery of the cell unit is sealed by the outer peripheral sealing material that adheres the outer peripheral portions of the pair of substrates, and the vent hole provided in the outer peripheral sealing material is sealed so that the inside of the cell unit is sealed. Since the cell unit is cleaned in the sealed state, even if the cell unit is immersed in the cleaning liquid, the cleaning liquid does not enter the cell unit and enter the cell portion. The vent holes are provided to allow the excess air between the substrates to escape to the outside when the pair of substrates are bonded via the sealing materials.
【００１０】また、上記通気口を封止剤によって封止す
る場合、前記封止剤が発生するガスが封止剤の表面の周
囲に放出されるが、上記のように少なくとも通気口の近
傍に位置するセル部の液晶注入口を外周シール材の通気
口形成辺に向き合わない側に設けておけば、通気口付近
のセル部に前記封止剤からの放出ガスが入り込むことは
ない。When the vent hole is sealed with a sealant, the gas generated by the sealant is released around the surface of the sealant, but as described above, at least in the vicinity of the vent hole. If the liquid crystal injection port of the located cell portion is provided on the side that does not face the ventilation hole forming side of the outer peripheral sealing material, the gas released from the sealant will not enter the cell portion near the ventilation hole.
【００１１】したがって、本発明によれば、セルユニッ
トの表面を洗浄液中で洗浄してユニット表面の汚れを除
去するものでありながら、ユニット表面の汚れを除去す
る際に、液晶表示素子の特性に影響を及ぼす物質、つま
り上記洗浄液や通気口封止剤からの放出ガスをセル内に
入り込ませてしまうことはないから、特性の良好な液晶
表示素子を製造することができる。Therefore, according to the present invention, although the surface of the cell unit is cleaned in the cleaning liquid to remove the dirt on the surface of the unit, the characteristics of the liquid crystal display device can be improved when the dirt on the surface of the unit is removed. Since the substance that affects, that is, the cleaning liquid and the gas released from the vent sealant does not enter the cell, it is possible to manufacture a liquid crystal display device having excellent characteristics.
【００１２】[0012]
【実施例】以下、本発明の一実施例を図１〜図３を参照
して説明する。図１はセルユニットの一部切開平面図、
図２は製造された液晶セルの一部切開平面図、図３は液
晶表示素子の製造工程図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 is a partially cutaway plan view of the cell unit,
FIG. 2 is a partially cutaway plan view of the manufactured liquid crystal cell, and FIG. 3 is a manufacturing process drawing of the liquid crystal display element.
【００１３】まず、図１に示したセルユニットの構成を
説明すると、このセルユニットＡは、複数の液晶セルを
採取できる面積の一対の透明基板１，２を、その各セル
部Ｂにそれぞれその液晶封入領域ｂを囲んで設けた矩形
枠状のセル部シール材３と、基板外周部に設けた矩形枠
状の外周シール材５とを介して接着して構成されてい
る。なお、図示しないが、上記一対の基板１，２の各セ
ル部Ｂにはそれぞれ表示用の透明電極と配向膜が形成さ
れている。First, the structure of the cell unit shown in FIG. 1 will be described. In this cell unit A, a pair of transparent substrates 1 and 2 having an area capable of collecting a plurality of liquid crystal cells are provided in each cell portion B thereof. The liquid crystal encapsulation region b is surrounded by a rectangular frame-shaped cell sealing material 3 and a rectangular frame-shaped outer peripheral sealing material 5 provided on the outer peripheral portion of the substrate so as to be bonded to each other. Although not shown, a transparent electrode for display and an alignment film are formed on each cell portion B of the pair of substrates 1 and 2.
【００１４】上記各セル部Ｂのシール材３の一辺にはそ
れぞれ、このシール材３を部分的に欠落させて形成した
液晶注入口４が設けられており、また外周シール材５の
一辺には、このシール材３を部分的に欠落させて形成し
た通気口６が設けられている。この通気口６は、上記一
対の基板１，２を前記各シール材３，５を介して接着す
る際に、両基板１，２間の余剰空気を外部に逃がしてや
るために設けられており、この通気口６は、セルユニッ
トＡの組立て後に、封止剤７によって封止される。A liquid crystal injection port 4 formed by partially omitting the sealing material 3 is provided on one side of the sealing material 3 of each cell portion B, and one side of the outer peripheral sealing material 5 is provided. A ventilation port 6 formed by partially omitting the sealing material 3 is provided. The vent holes 6 are provided to allow excess air between the pair of substrates 1 and 2 to escape to the outside when the pair of substrates 1 and 2 are bonded to each other via the sealing materials 3 and 5. The vent hole 6 is sealed with a sealant 7 after the cell unit A is assembled.
【００１５】また、各セル部Ｂの液晶注入口４は、いず
れも、上記外周シール材５の通気口６を形成した辺に向
き合わない側に形成されている。なお、この実施例で
は、全てのセル部Ｂの液晶注入口４を、セル部シール材
３の四辺のうち、外周シール材５の通気口形成辺に対し
て直交する両側辺の一方に設けている。次に、液晶表示
素子の製造方法を説明すると、液晶表示素子は、図３の
製造工程図のように、上記構成のセルユニットＡを組立
てる工程と、このセルユニットＡの外周に設けられてい
る通気口６を封止剤７により封止してセルユニットＡ内
を密封する工程と、密封したセルユニットＡの表面を洗
浄液中で洗浄する工程と、洗浄したセルユニットＡを各
セルに分離する工程と、前記セルの液晶封入領域に液晶
注入口４から液晶を注入する工程と、液晶を注入したセ
ルの液晶注入口４を封止する工程と、によって製造す
る。The liquid crystal injection port 4 of each cell portion B is formed on the side that does not face the side of the outer peripheral sealing material 5 on which the ventilation port 6 is formed. In this embodiment, the liquid crystal injection ports 4 of all the cell parts B are provided on one of the four sides of the cell part sealing material 3 on both sides orthogonal to the ventilation hole forming side of the outer peripheral sealing material 5. There is. Next, a method of manufacturing the liquid crystal display element will be described. The liquid crystal display element is provided in the step of assembling the cell unit A having the above-described configuration and on the outer periphery of the cell unit A as shown in the manufacturing process diagram of FIG. A step of sealing the inside of the cell unit A by sealing the vent hole 6 with a sealant 7, a step of washing the surface of the sealed cell unit A in a washing liquid, and separating the washed cell unit A into cells. It is manufactured by a step, a step of injecting liquid crystal into the liquid crystal filling area of the cell from the liquid crystal inlet 4, and a step of sealing the liquid crystal inlet 4 of the cell in which the liquid crystal is injected.
【００１６】この製造方法を具体的に説明すると、上記
セルユニットＡは、各セル部Ｂに表示用の透明電極と配
向膜を形成した一対の基板１，２の一方に、セル部シー
ル材３と外周シール材５とをスクリーン印刷法等により
印刷し、両基板１，２を前記シール材３，５を介して接
着して組立てる。なお、前記シール材３，５には熱硬化
性樹脂を用い、両基板１，２の接着は、両基板１，２を
シール材３，５を介して重ね、基板間隙が所定の間隙に
なるように加圧するとともに、シール材３，５の硬化温
度に加熱してシール材３，５を硬化させる方法で行な
う。This cell manufacturing method will be described in detail. In the cell unit A, the cell portion sealing material 3 is provided on one of the pair of substrates 1 and 2 each having a transparent electrode for display and an alignment film formed on each cell portion B. Then, the outer peripheral sealing material 5 is printed by a screen printing method or the like, and the two substrates 1 and 2 are bonded to each other via the sealing materials 3 and 5 to be assembled. A thermosetting resin is used for the seal members 3 and 5, and the substrates 1 and 2 are adhered to each other by stacking the substrates 1 and 2 with the seal members 3 and 5 interposed therebetween so that the substrate gap becomes a predetermined gap. As described above, the pressure is applied, and the sealing materials 3 and 5 are cured by heating to the curing temperature of the sealing materials 3 and 5.
【００１７】この場合、両基板１，２間のセル部シール
材３で囲まれた領域（液晶封入領域）内の余剰空気は液
晶注入口４からセル部Ｂの外側に放出され、外周シール
材５で囲まれた領域内の余剰空気は通気口６からセルユ
ニットＡの外側に放出されるため、両基板１，２間の空
気圧が高くなることはなく、したがって、シール材３，
５を変形させることなく両基板１，２を接着することが
できる。In this case, the surplus air in the area surrounded by the cell sealing material 3 between the substrates 1 and 2 (liquid crystal filling area) is discharged from the liquid crystal inlet 4 to the outside of the cell B, and the outer peripheral sealing material is provided. Excess air in the area surrounded by 5 is discharged to the outside of the cell unit A from the vent 6, so that the air pressure between the substrates 1 and 2 does not increase, and therefore the sealing material 3,
Both substrates 1 and 2 can be bonded without deforming 5.
【００１８】また、上記セルユニットＡを組立てた後の
通気口６の封止は、通気口６に封止剤７を塗布し、この
封止剤７を硬化させて行なう。なお、この実施例では、
通気口６の封止を短時間で容易に行なうために、通気口
封止剤７として、揮発性溶剤を含んだ接着剤を用いてい
る。After assembling the cell unit A, the vent hole 6 is sealed by applying a sealant 7 to the vent hole 6 and curing the sealant 7. In this example,
In order to easily seal the vent hole 6 in a short time, an adhesive agent containing a volatile solvent is used as the vent hole sealant 7.
【００１９】この場合、通気口封止剤７が硬化するとき
に、封止剤７に含まれている揮発性溶剤が蒸発してガス
が発生し、このガスが封止剤７の表面の周囲に放出され
る。この場合、封止剤７からの放出ガスは、封止剤７の
周囲の狭い範囲に広がるだけであるが、セル部Ｂの液晶
注入口４が外周シール材５の通気口形成辺に向き合う方
向にあると、封止剤７からの放出ガスが、通気口６の近
傍に位置するセル部Ｂの液晶封入領域に液晶注入口４か
ら入り込んでしまう。In this case, when the vent sealant 7 hardens, the volatile solvent contained in the sealant 7 evaporates to generate gas, and this gas surrounds the surface of the sealant 7. Is released to. In this case, the gas released from the encapsulant 7 spreads only in a narrow range around the encapsulant 7, but the direction in which the liquid crystal injection port 4 of the cell part B faces the vent hole forming side of the outer peripheral sealing material 5. In this case, the gas released from the encapsulant 7 will enter the liquid crystal injection region 4 of the cell portion B located in the vicinity of the vent 6 from the liquid crystal injection port 4.
【００２０】しかし、この実施例では、上述したように
全てのセル部Ｂの液晶注入口４を外周シール材５の通気
口形成辺に向き合わない側に設けているため、通気口付
近のセル部Ｂに通気口封止剤７からの放出ガスが入り込
むことはない。However, in this embodiment, since the liquid crystal injection ports 4 of all the cell parts B are provided on the side not facing the ventilation hole formation side of the outer peripheral sealing material 5 as described above, the cell parts near the ventilation holes are formed. The gas released from the vent sealant 7 does not enter B.
【００２１】そして、セルユニットＡの通気口６を封止
した後は、セルユニットＡを洗浄液中に浸し、洗浄液中
でセルユニットＡの表面（基板１，２の表面）を洗浄し
て、セルユニット表面の汚れを除去する。なお、この洗
浄液中でのセルユニットＡの洗浄は、例えば超音波洗浄
によって行なう。After sealing the vent hole 6 of the cell unit A, the cell unit A is dipped in a cleaning liquid, and the surface of the cell unit A (the surfaces of the substrates 1 and 2) is cleaned in the cleaning liquid to Remove dirt on the surface of the unit. The cleaning of the cell unit A in this cleaning liquid is performed by, for example, ultrasonic cleaning.
【００２２】このように、セルユニットＡの表面を洗浄
液中で洗浄すると、ユニット表面の汚れがほぼ完全に除
去される。また、この液中洗浄によれば、多数のセルユ
ニットＡを同時にかつ短時間で洗浄できるから、ユニッ
ト表面の汚れを能率良く除去することができる。As described above, when the surface of the cell unit A is cleaned in the cleaning liquid, the dirt on the surface of the unit is almost completely removed. Further, according to this in-liquid cleaning, a large number of cell units A can be cleaned simultaneously and in a short time, so that the stains on the surface of the units can be efficiently removed.
【００２３】この場合、セルユニットＡの外周は一対の
基板１，２の外周部を接着する外周シール材５によって
シールされており、またこの外周シール材５に設けた通
気口６は通気口封止剤７によって封止されているため、
セルユニットＡを洗浄液中に浸しても、セルユニットＡ
の内部に洗浄液が侵入してセル部Ｂに入り込むことはな
い。In this case, the outer periphery of the cell unit A is sealed by an outer peripheral sealing material 5 for adhering the outer peripheral portions of the pair of substrates 1 and 2, and the vent hole 6 provided in the outer peripheral sealing material 5 is a vent hole seal. Since it is sealed with the stopper 7,
Even if the cell unit A is immersed in the cleaning liquid, the cell unit A
The cleaning liquid does not enter the inside of the cell and enter the cell part B.
【００２４】このようにしてセルユニットＡの表面を洗
浄した後は、必要に応じて、基板１，２の一方または両
方の表面に各セル部Ｂの縁取り枠や装飾模様等を印刷
し、この後、セルユニットＡを各セル部Ｂの境界に沿っ
て折断して、セルユニットＡを個々の液晶セルに分離す
る。After the surface of the cell unit A is washed in this way, an edge frame or a decorative pattern of each cell portion B is printed on the surface of one or both of the substrates 1 and 2, if necessary. After that, the cell unit A is broken along the boundary of each cell portion B to separate the cell unit A into individual liquid crystal cells.
【００２５】この後は、分離した各セルの液晶封入領域
に液晶注入口４から真空注入法によって液晶を注入し、
液晶を注入したセルの液晶注入口４を封止して、図２に
示した液晶表示素子を完成する。なお、図２において、
ＬＣはセル内に封入された液晶、８は液晶注入口４の封
止剤であり、この注入口封止剤８は紫外線硬化樹脂であ
る。After that, liquid crystal is injected from the liquid crystal injection port 4 into the liquid crystal filling area of each separated cell by a vacuum injection method,
The liquid crystal injection port 4 of the cell in which the liquid crystal is injected is sealed to complete the liquid crystal display element shown in FIG. In addition, in FIG.
LC is a liquid crystal sealed in the cell, 8 is a sealant for the liquid crystal injection port 4, and the injection port sealant 8 is an ultraviolet curable resin.
【００２６】すなわち、上記製造方法は、洗浄液中でセ
ルユニットＡの表面を洗浄してユニット表面の汚れを除
去するものであり、この製造方法によれば、従来の手作
業による拭き取りに比べて、ユニット表面の汚れをほぼ
完全にかつ能率良く除去することができる。That is, the above-mentioned manufacturing method cleans the surface of the cell unit A in a cleaning liquid to remove dirt on the surface of the unit. According to this manufacturing method, compared with the conventional manual wiping, The dirt on the surface of the unit can be removed almost completely and efficiently.
【００２７】しかも、上記製造方法では、セルユニット
Ａの外周を一対の基板１，２の外周部を接着する外周シ
ール材５によってシールしておき、この外周シール材５
に設けた通気口６を封止してセルユニットＡ内を密封し
た状態でセルユニットＡを洗浄しているため、セルユニ
ットＡを洗浄液中に浸しても、セルユニットＡの内部に
洗浄液が侵入してセル部Ｂに入り込むことはない。ま
た、上記通気口６を封止剤７により封止する場合、封止
剤７が発生するガスが封止剤７の表面の周囲に放出され
るが、上記のように各セル部Ｂの液晶注入口４を外周シ
ール材５の通気口形成辺に向き合わない側に設けておけ
ば、通気口６付近のセル部Ｂに封止剤７からの放出ガス
が入り込むことはない。Moreover, in the above manufacturing method, the outer circumference of the cell unit A is sealed by the outer circumference seal material 5 for adhering the outer circumference portions of the pair of substrates 1 and 2, and the outer circumference seal material 5 is used.
Since the cell unit A is washed in a state where the vent hole 6 provided in the cell unit A is sealed and the inside of the cell unit A is sealed, even if the cell unit A is immersed in the washing liquid, the washing liquid enters the inside of the cell unit A. Then, it does not enter the cell part B. Further, when the vent hole 6 is sealed with the sealant 7, the gas generated by the sealant 7 is released around the surface of the sealant 7, but as described above, the liquid crystal of each cell part B is If the inlet 4 is provided on the side of the outer peripheral sealing material 5 that does not face the side where the vent is formed, the gas released from the sealant 7 will not enter the cell portion B near the vent 6.
【００２８】したがって、上記製造方法によれば、セル
ユニットＡの表面を洗浄液中で洗浄してユニット表面の
汚れを除去するものでありながら、ユニット表面の汚れ
を除去する際に、液晶表示素子の特性に影響を及ぼす物
質、つまり上記洗浄液や通気口封止剤７からの放出ガス
をセル内に入り込ませてしまうことはないから、特性の
良好な液晶表示素子を製造することができる。Therefore, according to the above manufacturing method, the surface of the cell unit A is cleaned in the cleaning liquid to remove the dirt on the surface of the unit, but the dirt on the surface of the unit is removed when the dirt on the surface of the unit is removed. Since a substance that affects the characteristics, that is, the cleaning liquid or the gas released from the vent hole sealing agent 7 does not enter the cell, a liquid crystal display element having excellent characteristics can be manufactured.
【００２９】なお、上記実施例では、セルユニットＡの
各セル部Ｂの液晶注入口４を、セル部シール材３の四辺
のうち、外周シール材５の通気口形成辺に対して直交す
る両側辺の一方に設けているが、この液晶注入口４は、
例えば図４に示す他の実施例のように、外周シール材５
の通気口形成辺に対して逆向きに設けてもよく、このよ
うにすれば、通気口６付近のセル部Ｂに通気口封止剤７
からの放出ガスが入り込むのを、さらに確実に防ぐこと
ができる。In the above embodiment, the liquid crystal injection port 4 of each cell portion B of the cell unit A is provided on both sides of the four sides of the cell portion sealing material 3 which are orthogonal to the ventilation hole forming side of the outer peripheral sealing material 5. Although it is provided on one of the sides, this liquid crystal inlet 4 is
For example, as in another embodiment shown in FIG.
It may be provided in the opposite direction to the side where the vent hole is formed. By doing so, the vent hole sealant 7 is provided in the cell portion B near the vent hole 6.
It is possible to more reliably prevent the release gas from entering.
【００３０】また、上記実施例では、全てのセル部Ｂの
液晶注入口４を、外周シール材５の通気口形成辺に向き
合わない側に設けているが、通気口封止剤７から放出さ
れるガスは、上述したように封止剤７の周囲の限られた
範囲に広がるだけであり、したがって通気口封止剤７か
らの放出ガスが入り込むおそれのあるのは、通気口６の
近傍のセル部Ｂだけであるから、少なくとも通気口６の
近傍に位置するセル部Ｂの液晶注入口４を外周シール材
５の通気口形成辺に向き合わない側に設けておけば、他
のセル部Ｂの液晶注入口４の向きは任意でよい。Further, in the above embodiment, the liquid crystal injection ports 4 of all the cell parts B are provided on the side not facing the ventilation hole forming side of the outer peripheral sealing material 5, but are discharged from the ventilation hole sealing agent 7. As described above, the gas that spreads only spreads in a limited range around the sealant 7. Therefore, the gas released from the vent sealant 7 may enter the vicinity of the vent 6. Since only the cell portion B is provided, if the liquid crystal injection port 4 of the cell portion B located at least in the vicinity of the vent hole 6 is provided on the side that does not face the vent hole forming side of the outer peripheral seal material 5, the other cell portion B is not provided. The orientation of the liquid crystal injection port 4 may be arbitrary.
【００３１】[0031]
【発明の効果】本発明によれば、セルユニットの表面を
洗浄液中で洗浄しているため、ユニット表面の汚れをほ
ぼ完全にかつ能率良く除去することができる。According to the present invention, since the surface of the cell unit is cleaned in the cleaning liquid, the dirt on the surface of the unit can be removed almost completely and efficiently.
【００３２】しかも、本発明では、セルユニットの外周
を一対の基板の外周部を接着する外周シール材によって
シールしておき、この外周シール材に設けた通気口を封
止してセルユニット内を密封した状態でセルユニットを
洗浄しているため、セルユニットを洗浄液中に浸して
も、セルユニットの内部に洗浄液が侵入してセル部に入
り込むことはないし、また、少なくとも前記通気口の近
傍に位置するセル部の液晶注入口を外周シール材の通気
口形成辺に向き合わない側に設けているため、通気口封
止剤からの放出ガスが外周シール材の通気口付近のセル
部に入り込むこともない。In addition, in the present invention, the outer periphery of the cell unit is sealed by the outer peripheral sealing material that adheres the outer peripheral portions of the pair of substrates, and the vent hole provided in the outer peripheral sealing material is sealed so that the inside of the cell unit is sealed. Since the cell unit is washed in a sealed state, even if the cell unit is immersed in the washing liquid, the washing liquid does not enter the cell unit by entering the inside of the cell unit, and at least in the vicinity of the vent hole. Since the liquid crystal injection port of the located cell part is provided on the side that does not face the ventilation hole forming side of the outer peripheral sealing material, the gas released from the ventilation hole sealing agent should enter the cell part near the ventilation hole of the outer peripheral sealing material. Nor.
【００３３】したがって、本発明によれば、セルユニッ
トの表面を洗浄液中で洗浄してユニット表面の汚れを除
去するものでありながら、ユニット表面の汚れを除去す
る際に、液晶表示素子の特性に影響を及ぼす物質、つま
り上記洗浄液や通気口封止剤からの放出ガスがセル内に
入り込むのを防いで、特性の良好な液晶表示素子を製造
することができる。Therefore, according to the present invention, the surface of the cell unit is cleaned in the cleaning liquid to remove the dirt on the surface of the unit. It is possible to prevent a substance that has an influence, that is, a gas discharged from the cleaning liquid or the vent sealant from entering the cell, and to manufacture a liquid crystal display device having excellent characteristics.
【図１】本発明の一実施例を示すセルユニットの一部切
開平面図。FIG. 1 is a partially cutaway plan view of a cell unit showing an embodiment of the present invention.
【図２】製造された液晶表示素子の一部切開平面図。FIG. 2 is a partially cutaway plan view of the manufactured liquid crystal display element.
【図３】液晶表示素子の製造工程図。FIG. 3 is a manufacturing process diagram of a liquid crystal display element.
【図４】本発明の他の実施例を示すセルユニットの一部
切開平面図。FIG. 4 is a partially cutaway plan view of a cell unit showing another embodiment of the present invention.
Ａ…セルユニット、Ｂ…セル部、１，２…基板、３…セ
ル部シール材、４…液晶注入口、５…外周シール材、６
…通気口、７…通気口封止剤、８…注入口封止剤、ＬＣ
…液晶。A ... Cell unit, B ... Cell part, 1, 2 ... Substrate, 3 ... Cell part sealing material, 4 ... Liquid crystal injection port, 5 ... Perimeter sealing material, 6
... Vent hole, 7 ... Vent hole sealant, 8 ... Injection port sealant, LC
…liquid crystal.
Claims (1)
透明基板を、その各セル部にそれぞれその液晶封入領域
を囲んで設けた一辺に液晶注入口を有するセル部シール
材と、基板外周部に設けた一辺に通気口を有する外周シ
ール材とを介して接着してなり、かつ少なくとも前記通
気口の近傍に位置するセル部の前記液晶注入口は前記外
周シール材の通気口形成辺に向き合わない側に設けたセ
ルユニットを組立てる工程と、 前記通気口を封止剤により封止して前記セルユニット内
を密封する工程と、 密封した前記セルユニットの表面を洗浄液中で洗浄する
工程と、 洗浄した前記セルユニットを各セルに分離する工程と、 前記セルの液晶封入領域に前記液晶注入口から液晶を注
入する工程と、 液晶を注入したセルの液晶注入口を封止する工程と、か
らなることを特徴とする液晶表示素子の製造方法。1. A pair of transparent substrates each having an area capable of collecting a plurality of liquid crystal cells, a cell portion sealing material having a liquid crystal injection port on one side provided in each cell portion so as to surround the liquid crystal enclosing region, and a substrate outer periphery. The liquid crystal injection port of the cell portion, which is adhered via an outer peripheral sealing material having a ventilation hole on one side provided in the portion, and is located at least in the vicinity of the ventilation hole is on the ventilation hole forming side of the outer peripheral sealing material. A step of assembling the cell unit provided on the side not facing each other, a step of sealing the inside of the cell unit by sealing the vent hole with a sealant, and a step of cleaning the surface of the sealed cell unit in a cleaning liquid. A step of separating the washed cell unit into cells, a step of injecting liquid crystal into the liquid crystal filling area of the cell from the liquid crystal inlet, and a step of sealing the liquid crystal inlet of the cell in which the liquid crystal is injected The method of manufacturing a liquid crystal display element characterized by comprising a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4526692A JPH05241170A (en) | 1992-03-03 | 1992-03-03 | Production of liquid crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4526692A JPH05241170A (en) | 1992-03-03 | 1992-03-03 | Production of liquid crystal display element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05241170A true JPH05241170A (en) | 1993-09-21 |
Family
ID=12714499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4526692A Pending JPH05241170A (en) | 1992-03-03 | 1992-03-03 | Production of liquid crystal display element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05241170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001296533A (en) * | 2000-04-11 | 2001-10-26 | Stanley Electric Co Ltd | Method for manufacturing liquid crystal device |
-
1992
- 1992-03-03 JP JP4526692A patent/JPH05241170A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001296533A (en) * | 2000-04-11 | 2001-10-26 | Stanley Electric Co Ltd | Method for manufacturing liquid crystal device |
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