JP2000246007A - Method for deaerating highly viscous liquid - Google Patents
Method for deaerating highly viscous liquidInfo
- Publication number
- JP2000246007A JP2000246007A JP11049396A JP4939699A JP2000246007A JP 2000246007 A JP2000246007 A JP 2000246007A JP 11049396 A JP11049396 A JP 11049396A JP 4939699 A JP4939699 A JP 4939699A JP 2000246007 A JP2000246007 A JP 2000246007A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- desiccator
- defoaming
- viscosity liquid
- highly viscous
- 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
Landscapes
- Degasification And Air Bubble Elimination (AREA)
- Liquid Crystal (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、高粘度液体中に含
有される気泡の脱泡方法に関するもので、特に液晶表示
装置を構成するシール材料の脱泡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 for defoaming bubbles contained in a high-viscosity liquid, and more particularly to a method for defoaming a sealing material constituting a liquid crystal display device.
【０００２】[0002]
【従来の技術】図２は、従来の高粘度液体の脱泡装置を
示す断面図である。図２に示すように、従来の高粘度液
体の脱泡装置は、高粘度液体５１が入った容器５２、デ
シケータ５３内を減圧するためのポンプ５４、および高
粘度液体５１を撹拌して気泡５５を砕くための撹拌羽根
５６を備えている。高粘度液体５１中の気泡５５は、デ
シケータ５３内を減圧し、撹拌羽根５６をモーター５７
によって回転させることで消滅させている。2. Description of the Related Art FIG. 2 is a sectional view showing a conventional high-viscosity liquid defoaming apparatus. As shown in FIG. 2, a conventional high-viscosity liquid defoaming device includes a container 52 containing a high-viscosity liquid 51, a pump 54 for depressurizing the inside of a desiccator 53, and a bubble 55 by stirring the high-viscosity liquid 51. And a stirring blade 56 for crushing. Bubbles 55 in the high-viscosity liquid 51 reduce the pressure inside the desiccator 53 and cause the stirring blade 56 to
It has disappeared by rotating it.
【０００３】高粘度液体５１としては、液晶表示装置を
構成するシール材料を挙げることができる。このシール
材料としては、熱硬化性エポキシ樹脂を用いることが一
般的である。As the high-viscosity liquid 51, there can be mentioned a sealing material constituting a liquid crystal display device. Generally, a thermosetting epoxy resin is used as the sealing material.
【０００４】液晶表示装置の製造方法においては、一対
の基板をシール材料を介して貼り合わせ、加圧加熱する
ことでシール材料を硬化させている。このとき、十分に
脱泡したシール材料を用いる必要がある。In a method for manufacturing a liquid crystal display device, a pair of substrates are bonded together via a sealing material, and the sealing material is cured by heating under pressure. At this time, it is necessary to use a sufficiently defoamed sealing material.
【０００５】シール材料として、十分に脱泡していない
ものを用いて液晶表示装置を製造した場合、加圧加熱に
よってシール材料を硬化させた後も気泡跡がシール材料
中に残ってしまう。この気泡跡が残った場合、後に一対
の基板間に液晶を注入する際に、液晶を注入できなかっ
たり、気泡跡から液晶が流出したりという不具合が発生
する。[0005] When a liquid crystal display device is manufactured using a material that is not sufficiently defoamed as a sealing material, traces of air bubbles remain in the sealing material even after the sealing material is cured by pressurizing and heating. If the bubble traces remain, when the liquid crystal is subsequently injected between the pair of substrates, there occurs a problem that the liquid crystal cannot be injected or the liquid crystal flows out of the bubble traces.
【０００６】このような不具合を防ぐためには、シール
材料中から直径０．２ｍｍ以上の気泡をなくす必要があ
り、脱泡の精度を高くすることが重要となる。In order to prevent such a problem, it is necessary to eliminate bubbles having a diameter of 0.2 mm or more from the sealing material, and it is important to increase the accuracy of defoaming.
【０００７】[0007]
【発明が解決しようとする課題】上述したような撹拌羽
根を用いて高粘度液体を撹拌する脱泡方法では、定期的
に撹拌羽根に付着した高粘度液体を拭き取らなければな
らず、作業が煩雑なものとなってしまう。In the defoaming method of stirring a high-viscosity liquid using the stirring blade as described above, the high-viscosity liquid adhering to the stirring blade must be periodically wiped off, and the operation is difficult. It becomes complicated.
【０００８】ここで、石膏スラリーの脱泡方法として、
特開平９−３８４１３号公報に減圧しながら振動を与え
ることが記載されている。この方法では、本発明とは脱
泡する液体が全く異なる、つまり液体の粘度が異なるた
めに脱泡のしやすさが異なることを考慮しなければなら
ない。Here, as a method for defoaming the gypsum slurry,
Japanese Patent Application Laid-Open No. Hei 9-38413 describes that vibration is applied while reducing the pressure. In this method, it must be taken into account that the liquid to be defoamed is completely different from that of the present invention, that is, the easiness of defoaming is different because the viscosity of the liquid is different.
【０００９】さらには、石膏スラリーが直径１ｍｍ以上
の気泡を除去すればよいのに対し、本発明では上述のよ
うに直径０．２ｍｍ以上の気泡を除去しなければなら
ず、特開平９−３８４１３号公報に記載の脱泡方法をそ
のまま用いても、脱泡能力が不足しているのである。Furthermore, while the gypsum slurry only needs to remove air bubbles having a diameter of 1 mm or more, the present invention has to remove air bubbles having a diameter of 0.2 mm or more as described above. However, even if the defoaming method described in Japanese Patent Application Laid-Open Publication No. H10-15064 is used as it is, the defoaming ability is insufficient.
【００１０】本発明は、以上のような従来の問題点に鑑
みなされたものであって、液晶表示装置を構成するシー
ル材料の脱泡にも適用できる高粘度液体の脱泡方法を提
供することを目的としている。The present invention has been made in view of the above-mentioned conventional problems, and provides a method for defoaming a high-viscosity liquid which can be applied to defoaming of a sealing material constituting a liquid crystal display device. It is an object.
【００１１】[0011]
【課題を解決するための手段】前述した目的を達成する
ために、本発明の請求項１記載の高粘度液体の脱泡方法
は、高粘度液体中の気泡を減圧することによって除去す
る高粘度液体の脱泡方法において、前記減圧を、段階的
に真空度を変化させて行うことを特徴としている。In order to achieve the above-mentioned object, a method for defoaming a high-viscosity liquid according to the first aspect of the present invention comprises a method for removing high-viscosity liquid by reducing bubbles in the high-viscosity liquid. In the liquid defoaming method, the decompression is performed by changing the degree of vacuum in a stepwise manner.
【００１２】請求項２記載の高粘度液体の脱泡方法は、
請求項１記載の高粘度液体の脱泡方法において、真空度
を変化させる前に、大気圧に戻すことを特徴としてい
る。The method for defoaming a high-viscosity liquid according to claim 2 is as follows:
The method for defoaming a high-viscosity liquid according to claim 1, wherein the pressure is returned to the atmospheric pressure before the degree of vacuum is changed.
【００１３】本発明の高粘度液体の脱泡方法によれば、
段階的に真空度を変化させて減圧を行うことにより、い
きなり高真空度にすることによって高粘度液体が容器か
ら溢れることを防止できるとともに、高粘度液体の脱泡
に要する時間を短縮することができる。According to the method for defoaming a high viscosity liquid of the present invention,
By changing the degree of vacuum in a stepwise manner and reducing the pressure, it is possible to prevent the high-viscosity liquid from overflowing from the container by suddenly increasing the degree of vacuum, and to reduce the time required for defoaming the high-viscosity liquid. it can.
【００１４】真空度は段階的に高真空度にすることが好
ましく、最終段階の真空度での減圧は同一の真空度で複
数回繰り返すことが好ましい。The degree of vacuum is preferably increased stepwise, and the depressurization at the final stage of vacuum is preferably repeated a plurality of times at the same degree of vacuum.
【００１５】また、真空度を変化させる前に一度大気圧
に戻すことにより、減圧で脱泡しきれなかった気泡を消
滅させることができ、次の段階の減圧での脱泡効果を向
上させることができる。同一の真空度で複数回減圧を繰
り返す際にも、一度大気圧に戻すことが好ましい。Further, by returning the pressure once to the atmospheric pressure before changing the degree of vacuum, bubbles which could not be completely removed by the reduced pressure can be eliminated, and the defoaming effect at the next reduced pressure can be improved. Can be. Even when pressure reduction is repeated a plurality of times at the same degree of vacuum, it is preferable to return to the atmospheric pressure once.
【００１６】大気圧に戻す際には、単に大気解放するよ
りも、高粘度液体の上部の気泡に強制的にエアーを当て
ながら大気圧に戻すことにより、減圧で脱泡しきれなか
った気泡を消滅しやすくすることができる。When returning to atmospheric pressure, rather than simply releasing the gas to the atmosphere, by returning air pressure while forcibly applying air to the air bubbles above the high-viscosity liquid, air bubbles that could not be completely removed under reduced pressure are removed. It can be easily extinguished.
【００１７】[0017]
【発明の実施の形態】図１を用いて、本発明の実施の形
態について説明する。図１は、本発明に係る高粘度液体
の脱泡装置を示す断面図である。Embodiments of the present invention will be described with reference to FIG. FIG. 1 is a sectional view showing a high-viscosity liquid defoaming apparatus according to the present invention.
【００１８】本発明に係る高粘度液体の脱泡装置は、図
１に示すように、高粘度液体１を入れる容器２が固定治
具３によってデシケータ４内部に固定されており、デシ
ケータ４内部を減圧するためのポンプ５が配管６を介し
て接続されている。さらに、デシケータ４下部に振動を
与えるための振動手段７が配置されている。In the defoaming apparatus for a high-viscosity liquid according to the present invention, as shown in FIG. 1, a container 2 for holding a high-viscosity liquid 1 is fixed inside a desiccator 4 by a fixing jig 3. A pump 5 for reducing the pressure is connected via a pipe 6. Further, a vibrating means 7 for applying vibration to the lower part of the desiccator 4 is arranged.
【００１９】高粘度液体１としては、液晶表示装置を構
成するためのシール材料を用いる。シール材料として
は、熱硬化性エポキシ樹脂を用いる。高粘度液体１の粘
度としては、特に限定されるものではないが、前記熱硬
化性エポキシ樹脂であれば、粘度が５００００ｃｐｓ程
度である。As the high-viscosity liquid 1, a sealing material for forming a liquid crystal display device is used. A thermosetting epoxy resin is used as a sealing material. Although the viscosity of the high-viscosity liquid 1 is not particularly limited, the viscosity of the thermosetting epoxy resin is about 50,000 cps.
【００２０】高粘度液体１中に混入している気泡８の体
積は、大気圧下では極小であるが、デシケータ４内部を
減圧することで気泡８は膨張する。脱泡するためには、
最終的に１０の−２乗Ｔｏｒｒの真空度が必要となる。Although the volume of the bubbles 8 mixed in the high-viscosity liquid 1 is extremely small under the atmospheric pressure, the bubbles 8 expand when the pressure inside the desiccator 4 is reduced. To defoam,
Finally, a degree of vacuum of 10 −2 Torr is required.
【００２１】本実施の形態では、まず第１の減圧とし
て、１Ｔｏｒｒ程度で１分の減圧を行い、直径１ｍｍ程
度よりも大きい気泡８の脱泡を行う。第１の減圧によ
り、いきなり高真空度にすることによって高粘度液体１
が容器２から溢れることを防止している。In the present embodiment, first, as the first decompression, decompression is performed at about 1 Torr for one minute, and bubbles 8 having a diameter larger than about 1 mm are removed. The first decompression causes a sudden increase in the degree of vacuum to a high viscosity liquid 1.
Is prevented from overflowing from the container 2.
【００２２】次に、第２の減圧として、１０の−１乗Ｔ
ｏｒｒ程度の真空度で１０分の減圧を行う。このとき、
第１の減圧を行った後、一度加圧（大気解放）してから
第２の減圧を行うことが好ましい。Next, as the second decompression, 10 −1 T
The pressure is reduced for 10 minutes at a degree of vacuum of about orr. At this time,
After performing the first depressurization, it is preferable to pressurize (release to the atmosphere) once and then perform the second depressurization.
【００２３】この大気解放により、第１の減圧で脱泡し
きれなかった気泡８を消滅させることができ、第２の減
圧での脱泡効果を向上させることができる。大気解放時
間は、大気解放後１分程度放置することが好ましい。By releasing to the atmosphere, the bubbles 8 that could not be defoamed by the first reduced pressure can be eliminated, and the defoaming effect at the second reduced pressure can be improved. It is preferable that the air release time is about one minute after the air release.
【００２４】また、単に大気解放するよりも、エアー吹
き出し口９を容器２の上方に配置しておき、高粘度液体
１の上部の気泡８に強制的にエアーを当てながら大気圧
に戻すことにより、第１の減圧で脱泡しきれなかった気
泡８を消滅しやすくなる。このとき、高粘度液体１が容
器２から溢れないようにエアー圧を調節、例えば０．０
５〜０．２ｋｇｆ／ｃｍ2にする必要がある。Rather than simply releasing the air to the atmosphere, the air outlet 9 is disposed above the container 2 and the pressure is returned to the atmospheric pressure while forcibly applying air to the air bubbles 8 above the high-viscosity liquid 1. In addition, the bubbles 8 that could not be defoamed by the first reduced pressure are easily eliminated. At this time, the air pressure is adjusted so that the high-viscosity liquid 1 does not overflow from the container 2, for example, 0.0
It is necessary to be 5 to 0.2 kgf / cm 2 .
【００２５】次に、第３の減圧として、１０の−２乗Ｔ
ｏｒｒ程度の真空度で１０分の減圧を行う。第３の減圧
は４〜６回繰り返して行うことが好ましく、本実施の形
態では５回繰り返して行う。第３の減圧が３回以下の場
合、気泡８の脱泡効果が十分ではなく、７回以上の場
合、これ以上の脱泡効果がほとんどなく、あまり意味の
ない作業となる。Next, as a third decompression, 10 −2 T
The pressure is reduced for 10 minutes at a degree of vacuum of about orr. The third decompression is preferably performed repeatedly 4 to 6 times, and is performed 5 times in this embodiment. When the third depressurization is three or less, the defoaming effect of the bubbles 8 is not sufficient, and when the third depressurization is seven or more, there is almost no further defoaming effect, which is a very meaningless operation.
【００２６】このとき、第２の減圧を行った後、一度大
気解放してから第３の減圧を行うことが好ましい。ま
た、第３の減圧を繰り返す際にも、一度大気解放するこ
とが好ましい。大気解放の方法および時間は上述した通
りである。At this time, it is preferable that after the second decompression, the air is once released to the atmosphere and then the third decompression is performed. Also, when the third decompression is repeated, it is preferable to release the air once. The method and time of release to the atmosphere are as described above.
【００２７】第１〜第３の減圧を行う際には、デシケー
タ４に振動手段７によって振動を与えることが好まし
い。この振動によって気泡８を高粘度液体１の表面に浮
上させ、脱泡を促進させることができる。この振動は、
超音波のような微振動ではなく、高粘度液体１の気泡８
を破壊できるような振動、例えば０．１〜１０Ｈｚ程度
が好ましい。When the first to third pressure reductions are performed, it is preferable to apply vibration to the desiccator 4 by the vibration means 7. This vibration causes the bubbles 8 to float on the surface of the high-viscosity liquid 1 and promote defoaming. This vibration is
Bubbles 8 of high-viscosity liquid 1 instead of micro vibrations like ultrasonic waves
Is preferable, for example, about 0.1 to 10 Hz.
【００２８】ここで、比較例として、１０の−１乗Ｔｏ
ｒｒ程度の真空度で１２０分の減圧を行う。比較例で
は、本実施の形態と同等の脱泡効果が得られるように脱
泡条件を設定している。本実施の形態および比較例の脱
泡時間を表１に示す。Here, as a comparative example, 10 -1 power To
The pressure is reduced for 120 minutes at a degree of vacuum of about rr. In the comparative example, the defoaming conditions are set so as to obtain the same defoaming effect as in the present embodiment. Table 1 shows the defoaming times of the present embodiment and the comparative example.
【００２９】[0029]
【表１】 本実施の形態によれば、比較例と同等の脱泡効果を得る
場合、表１に示すように、脱泡に要する時間を約半分に
することができる。[Table 1] According to the present embodiment, when the same defoaming effect as that of the comparative example is obtained, as shown in Table 1, the time required for defoaming can be reduced to about half.
【００３０】[0030]
【発明の効果】以上の説明のように、本発明の高粘度液
体の脱泡方法によれば、段階的に真空度を変化させて減
圧を行うことにより、高粘度液体が容器から溢れること
を防止できるとともに、高粘度液体の脱泡に要する時間
を短縮することができる。As described above, according to the high-viscosity liquid defoaming method of the present invention, the high-viscosity liquid overflows from the container by changing the degree of vacuum and reducing the pressure stepwise. In addition to the above, the time required for defoaming the high-viscosity liquid can be reduced.
【００３１】真空度は段階的に高真空度にすることが好
ましく、最終段階の真空度での減圧は同一の真空度で複
数回繰り返すことが好ましい。The degree of vacuum is preferably increased stepwise, and the depressurization at the final stage of vacuum is preferably repeated a plurality of times at the same degree of vacuum.
【００３２】また、真空度を変化させる前に一度大気圧
に戻すことにより、減圧で脱泡しきれなかった気泡を消
滅させることができ、次の段階の減圧での脱泡効果を向
上させることができる。同一の真空度で複数回減圧を繰
り返す際にも、一度大気圧に戻すことが好ましい。Further, by returning the pressure once to the atmospheric pressure before changing the degree of vacuum, it is possible to eliminate the bubbles that could not be completely removed by the reduced pressure, and to improve the defoaming effect at the next reduced pressure. Can be. Even when pressure reduction is repeated a plurality of times at the same degree of vacuum, it is preferable to return to the atmospheric pressure once.
【００３３】大気圧に戻す際には、高粘度液体の上部の
気泡に強制的にエアーを当てながら大気圧に戻すことに
より、減圧で脱泡しきれなかった気泡を消滅しやすくす
ることができる。When the pressure is returned to the atmospheric pressure, by returning the pressure to the atmospheric pressure while forcibly applying air to the air bubbles above the high-viscosity liquid, the air bubbles that cannot be completely removed by the reduced pressure can be easily eliminated. .
【図１】本発明に係る高粘度液体の脱泡装置を示す断面
図である。FIG. 1 is a cross-sectional view showing a high-viscosity liquid defoaming apparatus according to the present invention.
【図２】従来の高粘度液体の脱泡装置を示す断面図であ
る。FIG. 2 is a cross-sectional view illustrating a conventional high-viscosity liquid defoaming apparatus.
１ 高粘度液体 ２ 容器 ３ 固定治具 ４ デシケータ ５ ポンプ ６ 配管 ７ 振動手段 ８ 気泡 ９ エアー吹き出し口 ５１ 高粘度液体 ５２ 容器 ５３ デシケータ ５４ ポンプ ５５ 気泡 ５６ 撹拌羽根 ５７ モーター REFERENCE SIGNS LIST 1 high-viscosity liquid 2 container 3 fixing jig 4 desiccator 5 pump 6 piping 7 vibrating means 8 air bubble 9 air outlet 51 high-viscosity liquid 52 container 53 desiccator 54 pump 55 air bubble 56 stirring blade 57 motor
Claims (2)
って除去する高粘度液体の脱泡方法において、 前記減圧を、段階的に真空度を変化させて行うことを特
徴とする高粘度液体の脱泡方法。1. A defoaming method for a high-viscosity liquid, wherein bubbles in the high-viscosity liquid are removed by reducing the pressure, wherein the decompression is performed by changing the degree of vacuum in a stepwise manner. Defoaming method.
ことを特徴とする請求項１記載の高粘度液体の脱泡方
法。2. The method for defoaming a high-viscosity liquid according to claim 1, wherein the pressure is returned to the atmospheric pressure before changing the degree of vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11049396A JP2000246007A (en) | 1999-02-26 | 1999-02-26 | Method for deaerating highly viscous liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11049396A JP2000246007A (en) | 1999-02-26 | 1999-02-26 | Method for deaerating highly viscous liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000246007A true JP2000246007A (en) | 2000-09-12 |
Family
ID=12829886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11049396A Pending JP2000246007A (en) | 1999-02-26 | 1999-02-26 | Method for deaerating highly viscous liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000246007A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003295203A (en) * | 2002-03-25 | 2003-10-15 | Lg Phillips Lcd Co Ltd | Container for removing bubble from sealant and device for removing bubble from sealant using the same |
| KR100731041B1 (en) * | 2002-06-14 | 2007-06-22 | 엘지.필립스 엘시디 주식회사 | Liquid crystal deaeration apparatus and method using it |
| KR100875185B1 (en) * | 2002-06-14 | 2008-12-22 | 엘지디스플레이 주식회사 | Liquid crystal degassing apparatus and degassing method |
| US8017186B2 (en) * | 2006-08-17 | 2011-09-13 | Semiconductor Energy Laboratory Co., Ltd. | Film forming method, discharging droplet method and droplet discharging device |
| KR101192775B1 (en) | 2005-12-29 | 2012-10-18 | 엘지디스플레이 주식회사 | Apparatus for filling sealant into syringe, and method of manufacturing liquid crystal display device using the same |
| WO2013002177A1 (en) * | 2011-06-28 | 2013-01-03 | 積水化学工業株式会社 | Sealant for liquid crystal dropping technique, method for producing sealant for liquid crystal dropping technique, vertical conducting material, and liquid crystal display element |
| CN113763832A (en) * | 2021-09-17 | 2021-12-07 | 利亚德光电股份有限公司 | Preparation method of LED display module |
| CN114690488A (en) * | 2022-04-15 | 2022-07-01 | 邯郸市富亚电子技术有限公司 | Method for enhancing sealing performance of flexible liquid crystal display frame |
-
1999
- 1999-02-26 JP JP11049396A patent/JP2000246007A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003295203A (en) * | 2002-03-25 | 2003-10-15 | Lg Phillips Lcd Co Ltd | Container for removing bubble from sealant and device for removing bubble from sealant using the same |
| KR100731041B1 (en) * | 2002-06-14 | 2007-06-22 | 엘지.필립스 엘시디 주식회사 | Liquid crystal deaeration apparatus and method using it |
| KR100875185B1 (en) * | 2002-06-14 | 2008-12-22 | 엘지디스플레이 주식회사 | Liquid crystal degassing apparatus and degassing method |
| KR101192775B1 (en) | 2005-12-29 | 2012-10-18 | 엘지디스플레이 주식회사 | Apparatus for filling sealant into syringe, and method of manufacturing liquid crystal display device using the same |
| US8017186B2 (en) * | 2006-08-17 | 2011-09-13 | Semiconductor Energy Laboratory Co., Ltd. | Film forming method, discharging droplet method and droplet discharging device |
| WO2013002177A1 (en) * | 2011-06-28 | 2013-01-03 | 積水化学工業株式会社 | Sealant for liquid crystal dropping technique, method for producing sealant for liquid crystal dropping technique, vertical conducting material, and liquid crystal display element |
| JP5119374B1 (en) * | 2011-06-28 | 2013-01-16 | 積水化学工業株式会社 | Sealing agent for liquid crystal dropping method, manufacturing method of sealing agent for liquid crystal dropping method, vertical conduction material, and liquid crystal display element |
| CN103229094A (en) * | 2011-06-28 | 2013-07-31 | 积水化学工业株式会社 | Sealant for liquid crystal dropping technique, method for producing sealant for liquid crystal dropping technique, vertical conducting material, and liquid crystal display element |
| CN103229094B (en) * | 2011-06-28 | 2014-11-05 | 积水化学工业株式会社 | Sealant for liquid crystal dropping technique, method for producing sealant for liquid crystal dropping technique, vertical conducting material, and liquid crystal display element |
| CN113763832A (en) * | 2021-09-17 | 2021-12-07 | 利亚德光电股份有限公司 | Preparation method of LED display module |
| CN113763832B (en) * | 2021-09-17 | 2024-01-30 | 利亚德光电股份有限公司 | Preparation method of LED display module |
| CN114690488A (en) * | 2022-04-15 | 2022-07-01 | 邯郸市富亚电子技术有限公司 | Method for enhancing sealing performance of flexible liquid crystal display frame |
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