JPH07181507A - Liquid crystal display device and information transmission device having the liquid crystal display device - Google Patents

Liquid crystal display device and information transmission device having the liquid crystal display device

Info

Publication number
JPH07181507A
JPH07181507A JP5346524A JP34652493A JPH07181507A JP H07181507 A JPH07181507 A JP H07181507A JP 5346524 A JP5346524 A JP 5346524A JP 34652493 A JP34652493 A JP 34652493A JP H07181507 A JPH07181507 A JP H07181507A
Authority
JP
Japan
Prior art keywords
liquid crystal
display device
substrate
crystal display
substrates
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
Application number
JP5346524A
Other languages
Japanese (ja)
Inventor
Teruhiko Furushima
輝彦 古島
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP5346524A priority Critical patent/JPH07181507A/en
Publication of JPH07181507A publication Critical patent/JPH07181507A/en
Pending legal-status Critical Current

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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
    • G02F1/1341—Filling or closing of cells
    • G02F1/13415—Drop filling process

Abstract

PURPOSE:To eliminate the need for a washing stage and to obviate the degradation in display quality by preventing the sealing failure and leaking of liquid crystals. CONSTITUTION:The dropped liquid crystals are surely accepted in a liquid crystal reserving part 22 and the liquid crystals are injected into the spacing between substrates from a liquid crystal reserving part 22 without leaking when the liquid crystals are dropped into the liquid crystal reserving part 22. A dropped sealing material 9 is surely accepted in the liquid crystal reserving part 22 and prevents to leakage of the liquid crystals by hermetically sealed the injected liquid crystals when the sealing material 9 is dropped into the liquid crystal reserving part 22. Since the leakage of the liquid crystals is prevented in such a manner, the need for the washing stage and washing device for removing the leaking liquid crystals is eliminated and the production cost of the liquid crystal display device is reduced. Since the liquid crystal display device is surely sealed, there is no advance of the air and there is no deterioration of display quality.

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、一般的には、相対向す
る一対の基板間に液晶を挟持する液晶表示装置及び該液
晶表示装置を備えた情報伝達装置に係り、詳しくは一対
の基板間を閉塞するシール材の形状に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to a liquid crystal display device in which a liquid crystal is sandwiched between a pair of substrates facing each other, and an information transmission device equipped with the liquid crystal display device. The present invention relates to the shape of a sealing material that closes the space.

【０００２】[0002]

【従来の技術】従来より、液晶表示装置は種々提案され
ている。図１にその一例を示す。2. Description of the Related Art Conventionally, various liquid crystal display devices have been proposed. FIG. 1 shows an example thereof.

【０００３】図に示す液晶表示装置１は、ＴＦＴ基板
（第１の基板）２及びカラーフィルタＣＦ基板（第２の
基板）３を備えており、これらの基板２，３上には、ラ
ビング処理の施された配向膜がそれぞれ形成されている
（不図示）。そして、これらの基板２，３は所定間隙を
有して互いに対向するように配置されており、これらの
基板２，３の所定領域５（以下「表示部５」とする）を
囲繞するように、両基板間の間隙にはシール材６が配置
されている。The liquid crystal display device 1 shown in the figure comprises a TFT substrate (first substrate) 2 and a color filter CF substrate (second substrate) 3, and these substrates 2 and 3 are rubbed. Alignment films subjected to are formed respectively (not shown). The substrates 2 and 3 are arranged so as to face each other with a predetermined gap, and surround a predetermined region 5 (hereinafter referred to as “display unit 5”) of the substrates 2 and 3. A sealing material 6 is arranged in the gap between the two substrates.

【０００４】ところで、このシール材６の端縁とＣＦ基
板３の端縁とは一致しており、その部分には液晶注入用
の開口部７が形成されている。そして、液晶の注入は、
両基板２，３をシール材６にて貼り合わせて該シール材
６を硬化させた後に開口部７を利用してなされ、また開
口部７は、液晶注入後にエポキシ樹脂等の封口剤９によ
って閉塞されるようになっている（図２参照）。By the way, the edge of the sealing material 6 and the edge of the CF substrate 3 are aligned with each other, and an opening 7 for injecting liquid crystal is formed in that portion. And the injection of liquid crystal,
This is done by using the opening 7 after the substrates 2 and 3 are bonded together with the sealing material 6 and the sealing material 6 is cured, and the opening 7 is closed by the sealing agent 9 such as epoxy resin after the liquid crystal is injected. (See FIG. 2).

【０００５】[0005]

【発明が解決しようとする課題】しかし、上述従来例に
おいては、図２に示すように、シール材６の端縁がＣＦ
基板３の端縁よりも引っ込んでいる場合には種々の問題
があった。However, in the above conventional example, as shown in FIG. 2, the edge of the sealing material 6 is CF.
There are various problems when the substrate 3 is recessed from the edge.

【０００６】すなわち、かかる場合に開口部７を閉塞す
るには封口剤９を両基板２，３内に浸入させなければな
らないが、開口部７を完全に閉塞することは困難であ
り、封口材９とシール材６との間に隙間１０が生じるこ
とがあった。そして、このように隙間１０が生じた場合
には、液晶の配向特性の改善のためにアニール処理等を
して液晶表示装置１を加熱すると、液晶が隙間１０から
漏れ出てしまい、漏れ出た液晶が表示部５外の基板間に
進入してワイヤボンディングパッド（ＷＢＰ）を汚染し
てしまうおそれがあった。そして、このワイヤボンディ
ングパッドが汚染された場合には液晶除去のための洗浄
を必要として作業が煩雑になり、また使用する洗浄液に
よってはシール材６や封口剤９を膨潤させて液晶表示装
置１の信頼性を低下させてしまうという問題があった。That is, in such a case, the sealing agent 9 must be infiltrated into both the substrates 2 and 3 in order to close the opening 7, but it is difficult to completely close the opening 7 and the sealing material. A gap 10 was sometimes formed between the seal material 9 and the seal material 6. When the gap 10 is formed in this way, when the liquid crystal display device 1 is heated by performing an annealing treatment or the like to improve the alignment characteristic of the liquid crystal, the liquid crystal leaks from the gap 10 and leaks. The liquid crystal may enter between the substrates outside the display unit 5 to contaminate the wire bonding pad (WBP). When the wire bonding pad is contaminated, cleaning is required to remove the liquid crystal, which complicates the work. Further, depending on the cleaning liquid used, the sealing material 6 and the sealing agent 9 are swollen, so that the liquid crystal display device 1 can be cleaned. There was a problem of reducing reliability.

【０００７】また、このように隙間１０が生じている場
合には、液晶表示装置１を冷却する過程において表示部
５内に空気が入り込んでしまい、該装置の表示品質が劣
化するという問題もあった。Further, when the gap 10 is formed in this way, there is a problem that air enters the display portion 5 during the process of cooling the liquid crystal display device 1 and the display quality of the device is deteriorated. It was

【０００８】一方、ディスペンサによる滴下方式を用い
る場合には、開口部７に液晶を数滴滴下して注入を行う
が、滴下された液晶が開口部７より外側に逃げる量が多
くなると、注入される液晶の量が不足し、表示部５全体
に液晶が入らず、該装置の表示品質が劣化するという問
題もあった。また、漏出した液晶がワイヤボンディング
パッド等を汚染してしまい、上述と同様、洗浄を必要と
する等の問題があった。On the other hand, in the case of using the dropping method using a dispenser, a few drops of liquid crystal are dropped into the opening 7 for injection, but when the dropped liquid crystal escapes to the outside from the opening 7 more, it is injected. There is also a problem that the amount of the liquid crystal to be used is insufficient, the liquid crystal does not enter the entire display unit 5, and the display quality of the device deteriorates. Further, the leaked liquid crystal contaminates the wire bonding pad and the like, and there is a problem that cleaning is required as in the above case.

【０００９】そこで、本発明は、液晶を完全に注入する
と共に密封を完全にすることにより上記問題点を解消す
る液晶表示装置及び該液晶表示装置を備えた情報伝達装
置を提供することを目的とするものである。Therefore, it is an object of the present invention to provide a liquid crystal display device and an information transmission device equipped with the liquid crystal display device, which solve the above problems by completely injecting liquid crystal and completely sealing it. To do.

【００１０】[0010]

【課題を解決するための手段】本発明は、上述事情に鑑
みなされたものであって、その第１の発明にかかる液晶
表示装置は、所定間隙を有して互いに対向するように配
置された第１及び第２の基板と、これらの基板の所定領
域を囲繞するように該両基板間に配置されたシール材
と、これら基板間における前記所定領域内に注入された
液晶と、を備えた液晶表示装置において、前記第１の基
板を前記第２の基板よりも大きく形成し、前記シール材
を、その一部が前記第２の基板からはみ出すようにして
前記第１の基板上に閉パターンにて配置し、前記はみ出
したシール材の一部と前記第１の基板とによって、前記
両基板間に形成された間隙に連通される液晶溜め部を形
成し、かつ、該液晶溜め部が、滴下された液晶を前記両
基板間に形成された間隙に注入せしめた後に閉塞されて
なる、ことを特徴とする。The present invention has been made in view of the above circumstances, and the liquid crystal display device according to the first invention is arranged so as to face each other with a predetermined gap. A first and a second substrate, a sealing material disposed between the substrates so as to surround predetermined regions of the substrates, and a liquid crystal injected into the predetermined region between the substrates. In the liquid crystal display device, the first substrate is formed to be larger than the second substrate, and the sealing material has a closed pattern on the first substrate such that a part of the sealing material protrudes from the second substrate. And a part of the protruding sealing material and the first substrate form a liquid crystal reservoir communicating with a gap formed between the two substrates, and the liquid crystal reservoir is The dropped liquid crystal was formed between the substrates. Formed by closed after allowed injected into gap, characterized in that.

【００１１】また、第２の発明にかかる情報伝達装置
は、データ信号及び走査方式信号を出力するグラフィッ
クコントローラと、走査線アドレスデータ及び走査方式
信号を出力する走査信号制御回路と、表示データ及び走
査方式信号を出力する情報信号制御回路と、上記の液晶
表示装置と、を備えたことを特徴とする。An information transmitting apparatus according to a second aspect of the present invention is a graphic controller that outputs a data signal and a scanning method signal, a scanning signal control circuit that outputs scanning line address data and a scanning method signal, display data and scanning. An information signal control circuit for outputting a system signal and the above liquid crystal display device are provided.

【００１２】[0012]

【作用】以上構成に基づき、液晶溜め部に液晶を滴下す
ると、滴下された液晶は該液晶溜め部に確実に受け取ら
れて両基板間の間隙に注入される。また、液晶注入後
は、この液晶溜め部に封口剤を滴下すると、該滴下され
た封口剤は該液晶溜め部に確実に受け取られて液晶を密
封する。According to the above construction, when the liquid crystal is dropped into the liquid crystal reservoir, the dropped liquid crystal is surely received by the liquid crystal reservoir and injected into the gap between the substrates. Further, after the liquid crystal is injected, a sealing agent is dropped on the liquid crystal reservoir, and the dropped sealing agent is securely received by the liquid crystal reservoir to seal the liquid crystal.

【００１３】[0013]

【実施例】以下、図面に沿って、本発明の実施例につい
て説明する。なお、図１及び図２に示すものと同一部分
は同一符号を付して説明を省略する。Embodiments of the present invention will be described below with reference to the drawings. The same parts as those shown in FIGS. 1 and 2 are designated by the same reference numerals and the description thereof will be omitted.

【００１４】まず、本発明の第１実施例について、図３
乃至図５に沿って説明する。First, FIG. 3 shows the first embodiment of the present invention.
It will be described with reference to FIG.

【００１５】本実施例におけるＴＦＴ基板（第１の基
板）２はＣＦ基板（第２の基板）３よりも大きく形成さ
れており、ＴＦＴ基板２上には、表示部５を囲繞するよ
うに閉パターン状にシール材２１が塗布されている（図
３(a) 参照）。また、このシール材２１の一部はＣＦ基
板３からはみ出させて、はみ出したシール材の一部とＴ
ＦＴ基板２によって液晶溜め部２２を形成しており、か
かる液晶溜め部２２は、基板間に形成された間隙に連通
されている。なお、シール材２１の塗布はスクリーン印
刷法により行い、シール材２１には、スペーサを混合し
た紫外線硬化型エポキシ樹脂を用いている。また、シー
ル材２１の硬化は、シール材２１を塗布したＴＦＴ基板
２とＣＦ基板３とを位置合わせして貼り合わせた後に、
加圧しながら紫外線を照射することにより行っている。
そして、両基板２，３間の間隙は、スペーサによって６
μｍに保たれており、硬化された後のシール材２１は、
上記加圧によって印刷時の形状と比べて押し広げられた
ものとなっている。但し、ＣＦ基板３からはみ出してい
る部分のシール材２１は、加圧による影響を受けないこ
とから、印刷時の形状（幅２００μｍ、高さ２０μｍの
カマボコ型）に保たれている。The TFT substrate (first substrate) 2 in this embodiment is formed larger than the CF substrate (second substrate) 3, and the TFT substrate 2 is closed so as to surround the display section 5. The sealing material 21 is applied in a pattern (see FIG. 3 (a)). Further, a part of the sealing material 21 is made to protrude from the CF substrate 3, and a part of the protruding sealing material and T
A liquid crystal reservoir 22 is formed by the FT substrate 2, and the liquid crystal reservoir 22 is communicated with a gap formed between the substrates. The sealing material 21 is applied by a screen printing method, and the sealing material 21 is made of an ultraviolet curable epoxy resin mixed with a spacer. Further, the sealing material 21 is cured by aligning the TFT substrate 2 coated with the sealing material 21 and the CF substrate 3 and then bonding them together.
It is performed by irradiating ultraviolet rays while applying pressure.
Then, the gap between the two substrates 2 and 3 is 6 by the spacer.
The sealing material 21 after being hardened is
Due to the above-mentioned pressurization, it is expanded compared to the shape at the time of printing. However, since the sealing material 21 in the portion protruding from the CF substrate 3 is not affected by the pressure, the sealing material 21 is kept in the shape at the time of printing (bending shape of width 200 μm and height 20 μm).

【００１６】また、表示部５内への液晶の注入は、真空
中に液晶溜め部２２に液晶を滴下することにより行うよ
うになっており、封口処理は、液晶表示装置２０を大気
圧に戻して液晶溜め部２２に残っている液晶を除去し、
液晶溜め部２２に封口剤９を滴下して硬化させることに
より行うようになっている。なお、このようにして作製
された液晶表示装置９は、１００℃の温度で１時間のア
ニール処理が行われ、ＴＦＴ基板２の表示部５の不透明
部分をエッチングにより除去し、透過型の液晶表示装置
を完成される。Further, the liquid crystal is injected into the display unit 5 by dropping the liquid crystal into the liquid crystal reservoir 22 in a vacuum, and the sealing process returns the liquid crystal display device 20 to the atmospheric pressure. Liquid crystal remaining in the liquid crystal reservoir 22 is removed,
This is performed by dropping the sealing agent 9 into the liquid crystal reservoir 22 and curing it. The liquid crystal display device 9 manufactured in this manner is annealed at a temperature of 100 ° C. for 1 hour to remove the opaque portion of the display section 5 of the TFT substrate 2 by etching, and a transmissive liquid crystal display is displayed. The device is completed.

【００１７】ついで、上述実施例の作用について説明す
る。Next, the operation of the above embodiment will be described.

【００１８】いま、液晶溜め部２２に液晶を滴下する
と、滴下された液晶は液晶溜め部２２に確実に受け取ら
れて、該受け取られた液晶は表示部５内に注入される。
また、液晶溜め部２２に封口剤９を滴下すると、該滴下
された封口剤９は液晶溜め部２２に確実に受け取られ
て、該受け取られた封口剤９は表示部５内の液晶を密封
する。Now, when the liquid crystal is dropped onto the liquid crystal reservoir 22, the dropped liquid crystal is surely received by the liquid crystal reservoir 22, and the received liquid crystal is injected into the display unit 5.
Further, when the sealing agent 9 is dropped onto the liquid crystal reservoir 22, the dropped sealing agent 9 is reliably received by the liquid crystal reservoir 22, and the received sealing agent 9 seals the liquid crystal in the display unit 5. .

【００１９】ついで、上述実施例の効果について説明す
る。Next, the effect of the above embodiment will be described.

【００２０】本実施例によれば、滴下される液晶は液晶
溜め部２２に確実に受け取られて表示部５内に注入され
て液晶の注入時の漏れがない。また、液晶は封口剤９に
より確実に密封されるため、液晶表示装置の加熱に伴う
液晶漏出を防止できる。因に、本発明者は、液晶注入後
のアニール処理において液晶表示装置２０を加熱した
が、該アニール処理に伴う液晶漏出は全く発見されなか
った。また、液晶表示装置２０を１２０℃の温度で１０
時間保持したが、該加熱処理に伴う液晶漏出も全く発見
されなかった。このように液晶漏れがないため、上記従
来例にて述べたようなワイヤボンディングパッドの汚染
がなく、高品質の液晶表示装置を得ることができる。な
お、本実施例に係る液晶表示装置を、何ら洗浄すること
なく、６０℃９０％の高温高湿動作試験や、３０〜７０
℃、２０サイクルのヒートサイクルの信頼性試験を行っ
たが、不良は全く発見されなかった。一方、上述のよう
に液晶が確実に密封されて液晶漏出がないため、洗浄工
程が不要となり、製造工程や製造装置が簡略化されて液
晶表示装置の製造コストが易くなるという効果がある。
また、液晶表示装置の冷却に伴って空気が表示部内部に
進入するおそれもなく、それに伴う表示品質の劣化もな
い。According to this embodiment, the dropped liquid crystal is surely received by the liquid crystal reservoir 22 and injected into the display unit 5, so that there is no leakage when the liquid crystal is injected. Further, since the liquid crystal is surely sealed by the sealing agent 9, it is possible to prevent the liquid crystal from leaking due to heating of the liquid crystal display device. Incidentally, the present inventor heated the liquid crystal display device 20 in the annealing treatment after the liquid crystal injection, but no liquid crystal leakage due to the annealing treatment was found. In addition, the liquid crystal display device 20 is operated at a temperature of 120.degree.
After keeping for a while, no liquid crystal leakage due to the heat treatment was found. Since there is no liquid crystal leakage as described above, the wire bonding pad is not contaminated as described in the conventional example, and a high quality liquid crystal display device can be obtained. It should be noted that the liquid crystal display device according to the present embodiment was subjected to a high temperature and high humidity operation test at 60 ° C. and 90% without any cleaning, and 30 to 70
A heat cycle reliability test was performed at 20 ° C. for 20 cycles, but no defect was found at all. On the other hand, as described above, since the liquid crystal is reliably sealed and the liquid crystal does not leak, there is an effect that a cleaning process is unnecessary, the manufacturing process and the manufacturing apparatus are simplified, and the manufacturing cost of the liquid crystal display device is facilitated.
Further, there is no possibility that air will enter the inside of the display unit as the liquid crystal display device is cooled, and there will be no deterioration in display quality.

【００２１】また、上述のように注入時において液晶の
漏出がないことから、滴下する液晶の量が少量で済む。
具体的には、表示部５の寸法が１インチ程度であれば、
数ｍｇの液晶を滴下するだけでよい。したがって、表示
部５内において液晶の配置されない部分が生じたりし
て、液晶表示装置の表示品質が劣化してしまうこともな
い。Further, since the liquid crystal does not leak at the time of injection as described above, a small amount of liquid crystal can be dropped.
Specifically, if the size of the display unit 5 is about 1 inch,
Only a few mg of liquid crystal need be dropped. Therefore, the display quality of the liquid crystal display device will not be deteriorated due to a portion where the liquid crystal is not arranged in the display unit 5.

【００２２】なお、本実施例で用いたＴＦＴ基板２は、
活性層として単結晶Ｓｉを用いている。この単結晶Ｓｉ
については、多孔質Ｓｉを基体としてエピタキシャル成
長させて得られる薄膜が、液晶駆動回路及びその他の周
辺駆動回路を同時に同一基板上に作成することができる
ため、ＴＦＴ基板として良好である。このＴＦＴ基板の
作成手法については、特開平０３−１９４１１５号公報
に開示されている。また、本実施例は、アクティブマト
リックス方式、単純マトリックス方式等のいかなる方式
の液晶表示装置にも適用可能である。The TFT substrate 2 used in this embodiment is
Single crystal Si is used as the active layer. This single crystal Si
With regard to (2), a thin film obtained by epitaxially growing porous Si as a base is suitable as a TFT substrate because a liquid crystal drive circuit and other peripheral drive circuits can be simultaneously formed on the same substrate. A method of making this TFT substrate is disclosed in Japanese Patent Laid-Open No. 03-194115. Further, the present embodiment can be applied to a liquid crystal display device of any type such as an active matrix type and a simple matrix type.

【００２３】ついで、図４に沿って、本発明の他の実施
例について説明する。Next, another embodiment of the present invention will be described with reference to FIG.

【００２４】本実施例においては、ＴＦＴ基板を多数形
成し、複数の液晶表示装置を同時に製造している。In this embodiment, a large number of TFT substrates are formed and a plurality of liquid crystal display devices are manufactured at the same time.

【００２５】ＴＦＴ基板２には、石英ガラス上に多結晶
シリコンを形成すると共に、多結晶シリコン薄膜トラン
ジスタを作成した。また、このＴＦＴ基板２上には配向
膜を形成して配向処理を施し、さらに上述実施例にて述
べたシール材２１を複数形成して、同様に配向処理の施
されているＣＦ基板（不図示）を貼り付けた。なお、こ
のＣＦ基板は個別にカットされたものを用いた。そし
て、両基板を貼り合わせると共にシール材２１を硬化さ
せた後、液晶の注入を行った。注入に際しては、真空引
きをして１パネル毎に液晶溜め部２２に液晶を滴下し
た。さらに、封口処理後、各パネルを切断し、アニール
処理を行いパネルを完成させた。On the TFT substrate 2, polycrystalline silicon was formed on quartz glass and a polycrystalline silicon thin film transistor was prepared. In addition, an alignment film is formed on the TFT substrate 2 and subjected to an alignment treatment, and a plurality of sealing materials 21 described in the above-mentioned embodiment are formed, and a CF substrate (not formed) which is also subjected to the alignment treatment is formed. (Illustration) was pasted. The CF substrate was used by being cut individually. Then, after bonding both substrates and curing the sealing material 21, liquid crystal was injected. At the time of injection, the liquid crystal was dropped into the liquid crystal reservoir 22 for each panel by vacuuming. Further, after the sealing treatment, each panel was cut and annealed to complete the panel.

【００２６】本実施例によれば、上述実施例と同様の効
果が得られると共に、複数の液晶表示装置を同時に一基
板上で形成することができる。According to this embodiment, the same effect as that of the above-mentioned embodiment can be obtained, and a plurality of liquid crystal display devices can be simultaneously formed on one substrate.

【００２７】なお、上述各実施例においては、液晶溜め
部２２の形状を四角形としたが、もちろんこれに限る必
要はなく、その他の形状でもよい。最後に、上記液晶表
示装置２０の周辺機器について、図５に沿って簡単に説
明する。In each of the above-mentioned embodiments, the shape of the liquid crystal reservoir 22 is a quadrangle, but it need not be limited to this, and other shapes may be used. Finally, peripheral devices of the liquid crystal display device 20 will be briefly described with reference to FIG.

【００２８】本実施例に係る液晶表示装置２０には走査
信号印加回路４０２及び情報信号印加回路４０３が接続
されており、これらの回路４０２，４０３には、走査信
号制御回路４０４及び情報信号制御回路４０６、駆動制
御回路４０５、及びグラフィックコントローラ４０７が
順に接続されている。そして、駆動制御回路４０５を介
してグラフィックコントローラ４０７から走査信号制御
回路４０４及び情報信号制御回路４０６へは、データと
走査方式信号とが送信されるようになっている。このう
ちのデータは、これらの回路４０４，４０６によってア
ドレスデータと表示データとに変換され、また、他方の
走査方式信号は、そのまま走査信号印加回路４０２及び
情報信号印加回路４０３に送られるようになっている。
さらに、走査信号印加回路４０２は、アドレスデータに
よって決まる走査電極に走査方式信号によって決まる波
形の走査信号を印加し、また情報信号印加回路４０３
は、表示データによって送られる白又は黒の表示内容と
走査方式信号の２つによって決まる波形の情報信号を印
加するように構成されている。A scanning signal applying circuit 402 and an information signal applying circuit 403 are connected to the liquid crystal display device 20 according to this embodiment, and the scanning signal control circuit 404 and the information signal control circuit are connected to these circuits 402 and 403. The 406, the drive control circuit 405, and the graphic controller 407 are connected in order. Then, the data and the scanning method signal are transmitted from the graphic controller 407 to the scanning signal control circuit 404 and the information signal control circuit 406 via the drive control circuit 405. The data among these is converted into address data and display data by these circuits 404 and 406, and the other scanning method signal is sent to the scanning signal applying circuit 402 and the information signal applying circuit 403 as it is. ing.
Further, the scanning signal application circuit 402 applies a scanning signal having a waveform determined by the scanning method signal to the scanning electrode determined by the address data, and the information signal application circuit 403.
Is configured to apply an information signal having a waveform determined by two of the display content of white or black sent by the display data and the scanning method signal.

【００２９】[0029]

【発明の効果】以上説明したように、本発明によると、
滴下される液晶は液晶溜め部に確実に受け取られて注入
されるため、該注入時における液晶の漏出がない。ま
た、液晶は封口剤により確実に密封されるため、液晶表
示装置の加熱に伴う液晶漏出を防止できる。このように
液晶漏れがないため、上記従来例にて述べたようなワイ
ヤボンディングパッドの汚染がなく、高品質の液晶表示
装置を得ることができる。また、漏出液晶のための洗浄
工程が不要となり、製造工程や製造装置が簡略化されて
液晶表示装置の製造コストが易くなるという効果があ
る。さらに、液晶は封口材によって確実に密封されるた
め、液晶表示装置を冷却しても空気が表示部内部に進入
するおそれもない。As described above, according to the present invention,
Since the dropped liquid crystal is surely received and injected into the liquid crystal reservoir, the liquid crystal does not leak during the injection. Further, since the liquid crystal is surely sealed by the sealing agent, it is possible to prevent the liquid crystal from leaking due to heating of the liquid crystal display device. Since there is no liquid crystal leakage as described above, the wire bonding pad is not contaminated as described in the conventional example, and a high quality liquid crystal display device can be obtained. Further, there is an effect that a washing process for the leaked liquid crystal is not required, the manufacturing process and the manufacturing apparatus are simplified, and the manufacturing cost of the liquid crystal display device becomes easy. Furthermore, since the liquid crystal is reliably sealed by the sealing material, there is no possibility that air will enter the inside of the display unit even if the liquid crystal display device is cooled.

【００３０】一方、上述のように注入時において液晶の
漏出がないことから、滴下する液晶の量が少量で済む。
したがって、液晶表示装置の表示部内において液晶の配
置されない部分が生じたりして表示品質が劣化してしま
うようなこともない。On the other hand, since the liquid crystal does not leak at the time of injection as described above, a small amount of liquid crystal can be dropped.
Therefore, there is no possibility that the display quality is deteriorated due to a portion where the liquid crystal is not arranged in the display portion of the liquid crystal display device.

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

【図１】従来のシール形状等を説明するための図。FIG. 1 is a view for explaining a conventional seal shape and the like.

【図２】従来技術の問題点を説明するための図。FIG. 2 is a diagram for explaining a problem of the conventional technique.

【図３】本発明に用いられるシール材の形状等を説明す
るための図。FIG. 3 is a diagram for explaining the shape and the like of a sealing material used in the present invention.

【図４】複数の液晶表示装置を同時製造する方法を説明
するための図。FIG. 4 is a diagram for explaining a method of simultaneously manufacturing a plurality of liquid crystal display devices.

【図５】本発明に係る液晶表示装置の周辺機器を説明す
るための図。FIG. 5 is a diagram for explaining peripheral devices of the liquid crystal display device according to the present invention.

【符号の説明】[Explanation of symbols]

２ 第１の基板（ＴＦＴ基板） ３ 第２の基板（ＣＦ基板） ５ 所定領域（表示部） ２０ 液晶表示装置 ２１ シール剤 ２２ 液晶溜め部 ４０４ 走査信号制御回路 ４０６ 情報信号制御回路 ４０７ グラフィックコントローラ 2 First Substrate (TFT Substrate) 3 Second Substrate (CF Substrate) 5 Predetermined Area (Display) 20 Liquid Crystal Display 21 Sealant 22 Liquid Crystal Reservoir 404 Scanning Signal Control Circuit 406 Information Signal Control Circuit 407 Graphic Controller

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 所定間隙を有して互いに対向するように
配置された第１及び第２の基板と、これらの基板の所定
領域を囲繞するように該両基板間に配置されたシール材
と、これら基板間における前記所定領域内に注入された
液晶と、を備えた液晶表示装置において、 前記第１の基板を前記第２の基板よりも大きく形成し、 前記シール材を、その一部が前記第２の基板からはみ出
すようにして前記第１の基板上に閉パターンにて配置
し、 前記はみ出したシール材の一部と前記第１の基板とによ
って、前記両基板間に形成された間隙に連通される液晶
溜め部を形成し、かつ、 該液晶溜め部が、滴下された液晶を前記両基板間に形成
された間隙に注入せしめた後に閉塞されてなる、 液晶表示装置。1. A first substrate and a second substrate which are arranged so as to face each other with a predetermined gap, and a sealing material which is arranged between the two substrates so as to surround a predetermined region of these substrates. And a liquid crystal injected into the predetermined region between the substrates, wherein the first substrate is formed larger than the second substrate, and the sealing material is partly formed. Arranged in a closed pattern on the first substrate so as to protrude from the second substrate, and a gap formed between the two substrates by a part of the protruding sealing material and the first substrate. A liquid crystal display device, wherein a liquid crystal storage part communicating with the liquid crystal storage part is formed, and the liquid crystal storage part is closed after the dropped liquid crystal is injected into a gap formed between the substrates. 【請求項２】 データ信号及び走査方式信号を出力する
グラフィックコントローラと、 走査線アドレスデータ及び走査方式信号を出力する走査
信号制御回路と、 表示データ及び走査方式信号を出力する情報信号制御回
路と、 請求項１記載の液晶表示装置と、を備える、 ことを特徴とする情報伝達装置。2. A graphic controller that outputs a data signal and a scanning method signal, a scanning signal control circuit that outputs scanning line address data and a scanning method signal, and an information signal control circuit that outputs display data and a scanning method signal. An information transmission device comprising: the liquid crystal display device according to claim 1.
JP5346524A 1993-12-21 1993-12-21 Liquid crystal display device and information transmission device having the liquid crystal display device Pending JPH07181507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5346524A JPH07181507A (en) 1993-12-21 1993-12-21 Liquid crystal display device and information transmission device having the liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5346524A JPH07181507A (en) 1993-12-21 1993-12-21 Liquid crystal display device and information transmission device having the liquid crystal display device

Publications (1)

Publication Number Publication Date
JPH07181507A true JPH07181507A (en) 1995-07-21

Family

ID=18384011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5346524A Pending JPH07181507A (en) 1993-12-21 1993-12-21 Liquid crystal display device and information transmission device having the liquid crystal display device

Country Status (1)

Country Link
JP (1) JPH07181507A (en)

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