JPH04313728A - Production of liquid crystal display element - Google Patents
Production of liquid crystal display elementInfo
- Publication number
- JPH04313728A JPH04313728A JP2034291A JP2034291A JPH04313728A JP H04313728 A JPH04313728 A JP H04313728A JP 2034291 A JP2034291 A JP 2034291A JP 2034291 A JP2034291 A JP 2034291A JP H04313728 A JPH04313728 A JP H04313728A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- liquid crystal
- adhesive
- spacers
- crystal display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 125000006850 spacer group Chemical group 0.000 claims abstract description 61
- 230000001070 adhesive effect Effects 0.000 claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 230000016615 flocculation Effects 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 9
- 210000002858 crystal cell Anatomy 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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 element.
【０００２】0002
【従来の技術】従来、自動車の計器類、あるいはラップ
トップパソコン、ワープロ、時計等の表示として液晶表
示素子が多く採用されている。2. Description of the Related Art Conventionally, liquid crystal display elements have been widely used as displays for automobile instruments, laptop computers, word processors, clocks, and the like.
【０００３】これらの液晶表示素子では、基板間隔すな
わち液晶層の厚みを面内均一に保持するため、グラスフ
ァイバー、ビーズ等のスペーサを基板間に分散、保持す
ることが通常である。In these liquid crystal display elements, spacers such as glass fibers or beads are usually dispersed and held between the substrates in order to maintain the substrate spacing, that is, the thickness of the liquid crystal layer uniform within the plane.
【０００４】この様な場合、グラスファイバー等のスペ
ーサが単に散布されただけの場合には、電圧の印加等に
よってスペーサが移動し、液晶分子の配向方向を制御す
る配向制御膜を傷つけたり、スペーサが凝集したりし、
これによってコントラスト比の低下や表示品位の劣化の
原因になる。このため、このスペーサを基板に接着剤で
固定することが提案されている。In such a case, if spacers such as glass fibers are simply dispersed, the spacers may move due to the application of voltage, etc., and may damage the alignment control film that controls the alignment direction of liquid crystal molecules or damage the spacers. may aggregate,
This causes a decrease in contrast ratio and deterioration in display quality. For this reason, it has been proposed to fix this spacer to the substrate with an adhesive.
【０００５】また、このような基板に接着されたスぺー
サを製造するための方法としては以下のようなものが提
案されている。[0005] Furthermore, the following methods have been proposed for manufacturing spacers adhered to such substrates.
【０００６】すなわち、表面に接着剤を塗布するなどし
て、加熱することにより基板上に固定されるようにした
接着性スペーサを均一に散布（散布工程）した後、加熱
することによって、接着剤を自重により垂下させ、スペ
ーサを配向膜上に固定（固定工程）せしめるものである
。That is, after uniformly scattering (spraying step) adhesive spacers that are fixed on the substrate by applying an adhesive to the surface and then heating, the adhesive is The spacer is suspended by its own weight to fix the spacer on the alignment film (fixing process).
【０００７】この接着剤は、加熱昇温の過程で一旦、可
塑性を示す樹脂が好ましい。接着剤としては、配向制御
膜との接着性が強いものがよく、たとえば、配向制御膜
がポリイミド系の有機高分子の場合には、接着剤はエポ
キシ変成樹脂、ポリエステル系樹脂等を用いればよい。[0007] This adhesive is preferably a resin that once becomes plastic during the heating process. The adhesive should preferably be one that has strong adhesion to the alignment control film; for example, if the alignment control film is a polyimide-based organic polymer, an epoxy modified resin, polyester resin, etc. may be used as the adhesive. .
【０００８】[0008]
【発明の解決しようとする課題】しかし、従来の方法だ
と、接着性スペーサを基板上に散布した後、基板にスぺ
ーサを固定するための熱源まで搬送するため、基板の搬
送中に接着性スペーサが移動し、基板表面の配向制御膜
を傷つけたり、スペーサが凝集してしまったり、また異
物が混入したりし、これによってコントラスト比の低下
を起こして表示品位が劣化したり、液晶セルの基板のギ
ャップが不均一になったりする問題を有していた。[Problems to be Solved by the Invention] However, in the conventional method, the adhesive spacers are spread on the substrate and then transported to the heat source for fixing the spacers to the substrate, so it is difficult to bond the spacers while the substrate is being transported. The spacers may move, damaging the alignment control film on the substrate surface, causing the spacers to aggregate, or introducing foreign matter, which may cause a decrease in contrast ratio, deterioration of display quality, or damage to the liquid crystal cell. There was a problem that the gap between the substrates became uneven.
【０００９】[0009]
【課題を解決するための手段】本発明は前述の問題点を
解決すべくなされたものであり、一対の基板間にスペー
サ及び液晶層を挟持する液晶表示素子の製造方法におい
て、加熱することにより基板上に固定される接着性スペ
ーサを基板上に散布する散布工程と、これを加熱して少
なくとも一方の基板に接着、固定する固定工程とを有し
、散布工程と固定工程とが実質的に同時に行なわれるこ
とを特徴とする液晶表示素子の製造方法を提供するもの
である。[Means for Solving the Problems] The present invention has been made to solve the above-mentioned problems, and is directed to a method for manufacturing a liquid crystal display element in which a spacer and a liquid crystal layer are sandwiched between a pair of substrates. The method includes a dispersing step of dispersing adhesive spacers to be fixed on the substrate onto the substrate, and a fixing step of heating and adhering and fixing the adhesive spacers to at least one of the substrates, and the dispersing step and the fixing step are substantially the same. The present invention provides a method for manufacturing a liquid crystal display element characterized in that the manufacturing methods are performed simultaneously.
【００１０】図１、図２に、本発明の液晶表示素子の製
造方法の代表的な例を示す。図１において、１は接着性
スペーサ散布ノズルであり、２は接着性スペーサ散布ノ
ズルを動かし、基板６上に均一に接着性スペーサ５を散
布するためのアームである。また、３は散布された接着
性スペーサ５を基板上に固定するための熱源器であり、
その熱で、散布された接着性スペーサ５を基板６に固定
することができる。４は基板にまんべんなく熱が行き渡
るように熱源器３を動かすためのアームであり、接着性
スペーサ５の散布と同期させて動かすことが望ましい。FIGS. 1 and 2 show a typical example of the method for manufacturing a liquid crystal display element of the present invention. In FIG. 1, 1 is an adhesive spacer dispersing nozzle, and 2 is an arm for moving the adhesive spacer dispersing nozzle and uniformly dispersing adhesive spacers 5 on a substrate 6. Further, 3 is a heat source device for fixing the adhesive spacers 5 that have been dispersed on the substrate;
The spread adhesive spacers 5 can be fixed to the substrate 6 by the heat. Reference numeral 4 denotes an arm for moving the heat source device 3 so that heat is evenly distributed to the substrate, and it is desirable to move it in synchronization with the dispersion of the adhesive spacers 5.
【００１１】熱源器３は、基板６の下方から用いてもよ
いが、基板の上方から用いれば、基板６の表面のみを高
温化することができるため、基板６に熱ひずみが発生し
にくいうえ、基板６全体が高温化しないため、次工程へ
直ちに移すことができるので好ましい。The heat source device 3 may be used from below the substrate 6, but if it is used from above the substrate, only the surface of the substrate 6 can be heated up, so thermal strain is less likely to occur in the substrate 6. This is preferable because the temperature of the entire substrate 6 does not rise and the next process can be carried out immediately.
【００１２】さらに、熱源器３により散布後直ちに接着
性スペーサ５を基板６に固定化するので、次工程までの
移動の際に接着性スペーサ５が移動し、基板６上に設け
られた配向制御膜を傷つけたり、接着性スペーサ５が凝
集してしまったりすることがなく、また次工程の前にエ
アーカッター等によるブロー処理ができるため、異物を
除去することができ、液晶セルのギャップを均一に保つ
ことができる。Furthermore, since the adhesive spacers 5 are fixed on the substrate 6 immediately after being sprayed by the heat source device 3, the adhesive spacers 5 are moved during movement to the next process, and the orientation control provided on the substrate 6 is caused to move. There is no possibility of damaging the film or agglomeration of the adhesive spacer 5, and since blowing treatment with an air cutter etc. can be performed before the next process, foreign matter can be removed and the gap of the liquid crystal cell can be made uniform. can be kept.
【００１３】図２は加熱のための別の実施例を示したも
のであり、７は光源１０から、光ファイバー９により導
かれた光を集光するための集光装置であり、光の熱で散
布された接着性スペーサ５を基板６に固定することがで
きる。８は集光装置７を基板上にまんべんなく動かすた
めのアームであり、接着性スペーサの散布と同期させて
動かすことが望ましい。FIG. 2 shows another embodiment for heating, and 7 is a condensing device for condensing the light guided by the optical fiber 9 from the light source 10, and the heat of the light is used to condense the light. The dispersed adhesive spacers 5 can be fixed to the substrate 6. Reference numeral 8 denotes an arm for moving the light condensing device 7 evenly over the substrate, and it is desirable to move it in synchronization with the dispersion of adhesive spacers.
【００１４】集光装置７は、基板の下方から用いてもよ
いが、基板の上方から用いれば、基板６の表面のみを高
温化することができるため、基板６に熱ひずみが発生し
にくいうえ、基板６全体が高温化しないため、次工程へ
直ちに移すことができるので好ましい。The condensing device 7 may be used from below the substrate, but if it is used from above the substrate, only the surface of the substrate 6 can be heated to a high temperature, so thermal strain is less likely to occur in the substrate 6. This is preferable because the temperature of the entire substrate 6 does not rise and the next process can be carried out immediately.
【００１５】さらに、集光装置７により散布後直ちに接
着性スペーサ５を基板６に固定するので、次工程までの
移動の際に接着性スペーサ５が移動し、基板６上に設け
られた配向制御膜を傷つけたり、接着性スペーサ５が凝
集してしまったりすることがなく、また次工程の前にエ
アーカッター等によるブロー処理ができるため、異物を
除去することができ、液晶セルのギャップを均一に保つ
ことができる。Further, since the adhesive spacers 5 are fixed to the substrate 6 immediately after being sprayed by the light condensing device 7, the adhesive spacers 5 are moved during the movement to the next process, and the orientation control provided on the substrate 6 is prevented. There is no possibility of damaging the film or agglomeration of the adhesive spacer 5, and since blowing treatment with an air cutter etc. can be performed before the next process, foreign matter can be removed and the gap of the liquid crystal cell can be made uniform. can be kept.
【００１６】本発明で使用される接着性スペーサには、
予め基板に固定化させるための接着剤が表面に塗布され
ており、この接着剤は加熱昇温の過程で一旦、可塑性を
示す樹脂が好ましく、加熱で自重により、垂下し、基板
上の配向制御膜に直ちに固定化される。The adhesive spacer used in the present invention includes:
An adhesive is applied to the surface in advance to fix it to the substrate, and during the heating process, the adhesive, preferably a resin that exhibits plasticity, sag due to its own weight and control the orientation on the substrate. It is immediately immobilized on the membrane.
【００１７】本発明で使用されるスペーサは、市販の液
晶表示素子用のスペーサが使用でき、具体的には、ガラ
ス繊維、プラスチック粒子、セラミック粒子等が主成分
となっている。As the spacer used in the present invention, commercially available spacers for liquid crystal display elements can be used, and specifically, glass fibers, plastic particles, ceramic particles, etc. are the main components.
【００１８】本発明で使用される基板は、ガラス、プラ
スチック等の透明基板であれば良く、その内面使は、Ｉ
ＴＯ（Ｉｎ２Ｏ３−ＳｎＯ２）、ＳｎＯ２等の透明導電
膜による透明電極が形成されている。なお、この透明電
極には、このほか金属や導電ペースト等による低抵抗の
導電性材料の膜が細線状、格子状等に形成されていても
よい。The substrate used in the present invention may be any transparent substrate made of glass, plastic, etc., and its inner surface may be an I.
A transparent electrode is formed using a transparent conductive film such as TO (In2O3-SnO2) or SnO2. In addition, a film of a low-resistance conductive material such as metal or conductive paste may be formed on the transparent electrode in the form of thin lines, a grid, or the like.
【００１９】また基板上には配向制御膜として、ポリイ
ミド、ポリアミド、ポリビニルアルコール等の有機高分
子、ＳｉＯ２、ＴｉＯ２、Ａｌ２Ｏ３ 等の無機材料に
よる膜をラビングしたり、斜め蒸着したりした液晶を配
向させる膜があればよく、必要に応じて、１層でも良い
し、２層としてもよい。Further, as an alignment control film on the substrate, a film made of an organic polymer such as polyimide, polyamide, polyvinyl alcohol, or an inorganic material such as SiO2, TiO2, Al2O3 is rubbed or obliquely deposited to orient the liquid crystal. It is sufficient if there is a film, and it may be one layer or two layers as necessary.
【００２０】なお、電極と配向制御膜との間に基板間短
絡防止のためにＴｉＯ２、ＳｉＯ２、Ａｌ２Ｏ３の絶縁
膜を設けたりしてもよい。Note that an insulating film of TiO2, SiO2, or Al2O3 may be provided between the electrode and the alignment control film to prevent short circuit between the substrates.
【００２１】[0021]
実施例１
第１の基板として、ガラス基板上に設けられたＩＴＯの
電極をパターニングし、蒸着法によりＳｉＯ２による短
絡防止用の絶縁膜を形成し、ポリイミドのオーバーコー
トをスピンコートし、これをラビングして配向制御膜を
形成した基板を作成した。Example 1 As a first substrate, an ITO electrode provided on a glass substrate was patterned, an insulating film made of SiO2 for short circuit prevention was formed by vapor deposition, a polyimide overcoat was spin-coated, and this was rubbed. A substrate on which an alignment control film was formed was prepared.
【００２２】第２の基板として、ガラス基板上に設けら
れたＩＴＯの電極をパターニングし、蒸着法によりＳｉ
Ｏ２による短絡防止用の絶縁膜を形成し、ポリイミドの
オーバーコートをスピンコートし、これをラビングして
配向制御膜を形成した。これに図１に示すように接着性
スペーサ散布ノズル１をアーム４により基板６上のすみ
ずみまで動かしながら、加熱により接着性を示す接着剤
を予め表面に塗布してある接着性スペーサ５を散布した
。またこれに同期させてアーム４により熱源器３を動か
して接着性スペーサ５を加熱し、基板６上に固定した。As a second substrate, an ITO electrode provided on a glass substrate is patterned, and Si is deposited by vapor deposition.
An insulating film for preventing short circuits caused by O2 was formed, a polyimide overcoat was applied by spin coating, and this was rubbed to form an alignment control film. As shown in FIG. 1, the adhesive spacer dispersing nozzle 1 is moved to every corner of the substrate 6 by the arm 4, and adhesive spacers 5, whose surface has been coated with an adhesive that exhibits adhesive properties by heating, are sprayed. did. In addition, in synchronization with this, the heat source device 3 was moved by the arm 4 to heat the adhesive spacer 5 and fix it on the substrate 6.
【００２３】熱源器３を、ガラス基板の上方に位置させ
ることにより、ガラス基板の表面のみを高温化し、ガラ
ス基板に熱ひずみが発生しにくいうえ、基板６全体が高
温化しないため、次工程へ直ちに移すことができた。By positioning the heat source device 3 above the glass substrate, only the surface of the glass substrate is heated to a high temperature, so that thermal strain is less likely to occur on the glass substrate, and the entire substrate 6 is not heated to a high temperature, so that it is possible to proceed to the next process. I was able to move immediately.
【００２４】次いで、エアーカッターによるブロー処理
を行ない、基板６上の異物を除去し、基板を作成した。Next, a blow treatment was performed using an air cutter to remove foreign matter on the substrate 6, thereby producing a substrate.
【００２５】この２枚の基板の周辺をシ−ル材でシ−ル
して、液晶セルを形成し、この液晶セル内に誘電異方性
が正のネマチック液晶を注入して９０°ねじれの液晶層
となるようにし、注入口を封止した。さらに、この液晶
セルの両面に、一対の偏光板を配置して、液晶表示素子
を作製した。The peripheries of these two substrates are sealed with a sealant to form a liquid crystal cell, and a nematic liquid crystal with positive dielectric anisotropy is injected into the liquid crystal cell to create a 90° twisted structure. A liquid crystal layer was formed, and the injection port was sealed. Furthermore, a pair of polarizing plates were placed on both sides of this liquid crystal cell to produce a liquid crystal display element.
【００２６】この液晶表示素子は、熱源器３により散布
後直ちに接着性スペーサ５を基板６に固定したのでスペ
ーサが均一に散布されており、セルのギャップが均一で
色むらが少ないうえ、長時間駆動していてもスペーサの
移動がないため、配向制御膜を傷つけたり、電極周辺に
スペーサが凝集してしまいこれによってコントラスト比
か低下していくという表示品位の劣化がなかった。In this liquid crystal display element, the adhesive spacers 5 are fixed to the substrate 6 immediately after being sprayed by the heat source 3, so that the spacers are evenly spread, the cell gaps are uniform, there is little color unevenness, and it can be used for a long time. Since the spacers do not move even during driving, there is no deterioration in display quality such as damage to the alignment control film or aggregation of spacers around the electrodes, which lowers the contrast ratio.
【００２７】実施例２
実施例１において、図２に示したように、接着性スペー
サ散布ノズル１をアーム２により基板６上のすみずみま
で動かしながら接着性スペーサ５を散布し、また、これ
に同期させてアーム８により集光装置７を動かすことに
より接着性スペーサ５の加熱と固定を行なう以外は同様
に行なった。Example 2 In Example 1, as shown in FIG. 2, the adhesive spacer spraying nozzle 1 was moved by the arm 2 to every corner of the substrate 6 to spread adhesive spacers 5, and the adhesive spacers 5 were also spread thereon. The same procedure was performed except that the adhesive spacer 5 was heated and fixed by moving the condensing device 7 using the arm 8 in synchronization.
【００２８】集光装置７を、ガラス基板の上方に位置さ
せることにより、ガラス基板の表面のみを高温化し、ガ
ラス基板に熱ひずみが発生しにくいうえ、基板６全体が
高温化しないため、次工程へ直ちに移すことができた。By positioning the light condensing device 7 above the glass substrate, only the surface of the glass substrate is heated to a high temperature, so that thermal strain is less likely to occur on the glass substrate, and the temperature of the entire substrate 6 is not raised, so that the temperature of the next step can be increased. I was able to move immediately.
【００２９】この液晶表示素子は、実施例１により製造
されたものと同様に、スペーサが均一に散布されている
ため、セルのギャップが均一で色むらが少ないうえ、長
時間駆動していてもスペーサの移動がないため、配向制
御膜を傷つけたり、電極周辺にスペーサが凝集してしま
いこれによってコントラスト比か低下していくという表
示品位の劣化がなかった。In this liquid crystal display element, like the one manufactured in Example 1, the spacers are evenly distributed, so the cell gap is uniform, there is little color unevenness, and even when driven for a long time, the spacers are evenly distributed. Since the spacers do not move, there is no deterioration in display quality such as damage to the alignment control film or aggregation of the spacers around the electrodes, which lowers the contrast ratio.
【００３０】[0030]
【発明の効果】本発明では、熱源により直ちに接着性ス
ペーサを基板に固定化させるため、次工程までの移動の
際に接着性スペーサが移動し、配向制御膜を傷つけたり
、接着性スペーサが凝集してしまったりすることがなく
、また次工程の前にエアーカッター等のブロー処理がで
きるため、異物を除去することができ、これによってコ
ントラスト比の低下や表示品位の劣化や液晶セルのギャ
ップが不均一になったりするというおそれもない。[Effects of the Invention] In the present invention, since the adhesive spacer is immediately fixed to the substrate using a heat source, the adhesive spacer moves during transportation to the next process, which may damage the alignment control film or cause the adhesive spacer to aggregate. In addition, since blowing treatment with an air cutter etc. can be performed before the next process, foreign substances can be removed, thereby reducing contrast ratio, display quality deterioration, and liquid crystal cell gaps. There is no fear that it will become non-uniform.
【００３１】また熱源器や集光装置を、基板の上方に位
置させることにより、基板の表面のみを高温化できるの
で、基板に熱ひずみが発生しにくく、また基板全体が高
温化しないため次工程へ直ちに移すことができ、製造に
要する時間を短縮できるという利点もある。In addition, by positioning the heat source device and the light condensing device above the substrate, only the surface of the substrate can be heated to a high temperature, so that thermal strain is less likely to occur on the substrate, and the temperature of the entire substrate is not raised, so that it is possible to heat up the surface of the substrate. It also has the advantage of being able to be transferred immediately to another, reducing the time required for manufacturing.
【００３２】本発明は、本発明に効果を損しない範囲内
で公知の液晶表示素子に使用されている種々の構成を付
加してもよく、今後種々の応用が可能なものである。The present invention may be modified with various configurations used in known liquid crystal display elements within a range that does not impair the effects of the present invention, and various applications may be made in the future.
【図１】本発明の液晶表示素子の製造方法の１つの例の
概念図FIG. 1 is a conceptual diagram of one example of the method for manufacturing a liquid crystal display element of the present invention.
【図２】本発明の液晶表示素子の製造方法の他の例の概
念図[Fig. 2] Conceptual diagram of another example of the method for manufacturing a liquid crystal display element of the present invention
１ スペーサ散布ノズ
ル２、４、８ アーム1 Spacer spray nozzle 2, 4, 8 Arm
Claims (2)
する液晶表示素子の製造方法において、加熱することに
より基板上に固定される接着性スペーサを基板上に散布
する散布工程と、これを加熱して少なくとも一方の基板
に接着、固定する固定工程とを有し、散布工程と固定工
程とが実質的に同時に行なわれることを特徴とする液晶
表示素子の製造方法。1. A method for manufacturing a liquid crystal display element in which a spacer and a liquid crystal layer are sandwiched between a pair of substrates, comprising the steps of dispersing adhesive spacers, which are fixed onto the substrates by heating, onto the substrates; 1. A method for manufacturing a liquid crystal display element, comprising a fixing step of adhering and fixing to at least one substrate by heating, and characterized in that the spraying step and the fixing step are performed substantially simultaneously.
上に固定する加熱は基板の上方より行なうことを特徴と
する請求項１の液晶表示素子の製造方法。2. The method of manufacturing a liquid crystal display element according to claim 1, wherein in the fixing step, heating for fixing the adhesive spacer onto the substrate is performed from above the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3020342A JP3040499B2 (en) | 1991-01-22 | 1991-01-22 | Manufacturing method of liquid crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3020342A JP3040499B2 (en) | 1991-01-22 | 1991-01-22 | Manufacturing method of liquid crystal display element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04313728A true JPH04313728A (en) | 1992-11-05 |
| JP3040499B2 JP3040499B2 (en) | 2000-05-15 |
Family
ID=12024467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3020342A Expired - Lifetime JP3040499B2 (en) | 1991-01-22 | 1991-01-22 | Manufacturing method of liquid crystal display element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3040499B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230053A (en) * | 1994-07-12 | 2000-08-22 | Nippon Shokubai Co Ltd | Organic inorganic composite particle and its preparation and use |
| JP2005314706A (en) * | 1994-07-12 | 2005-11-10 | Nippon Shokubai Co Ltd | Organic inorganic composite particle, its production method and its use |
| US9224392B2 (en) | 2011-08-05 | 2015-12-29 | Kabushiki Kaisha Toshiba | Audio signal processing apparatus and audio signal processing method |
-
1991
- 1991-01-22 JP JP3020342A patent/JP3040499B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230053A (en) * | 1994-07-12 | 2000-08-22 | Nippon Shokubai Co Ltd | Organic inorganic composite particle and its preparation and use |
| JP2005314706A (en) * | 1994-07-12 | 2005-11-10 | Nippon Shokubai Co Ltd | Organic inorganic composite particle, its production method and its use |
| US9224392B2 (en) | 2011-08-05 | 2015-12-29 | Kabushiki Kaisha Toshiba | Audio signal processing apparatus and audio signal processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3040499B2 (en) | 2000-05-15 |
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