JP2001133794A - Lcdパネルの滴下工法用シール剤 - Google Patents
Lcdパネルの滴下工法用シール剤Info
- Publication number
- JP2001133794A JP2001133794A JP31066399A JP31066399A JP2001133794A JP 2001133794 A JP2001133794 A JP 2001133794A JP 31066399 A JP31066399 A JP 31066399A JP 31066399 A JP31066399 A JP 31066399A JP 2001133794 A JP2001133794 A JP 2001133794A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- sealant
- weight
- less
- lcd panel
- 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
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 title abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 238000000691 measurement method Methods 0.000 claims abstract description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000000565 sealant Substances 0.000 claims description 26
- 230000004580 weight loss Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003822 epoxy resin Substances 0.000 description 13
- 229920000647 polyepoxide Polymers 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000001723 curing Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910021642 ultra pure water Inorganic materials 0.000 description 3
- 239000012498 ultrapure water Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003708 ampul Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000013008 thixotropic agent Substances 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- QUZSUMLPWDHKCJ-UHFFFAOYSA-N bisphenol A dimethacrylate Chemical compound C1=CC(OC(=O)C(=C)C)=CC=C1C(C)(C)C1=CC=C(OC(=O)C(C)=C)C=C1 QUZSUMLPWDHKCJ-UHFFFAOYSA-N 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- -1 epoxysilane Chemical compound 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 229940079865 intestinal antiinfectives imidazole derivative Drugs 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical compound S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
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
- G02F1/1339—Gaskets; Spacers; Sealing 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
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)
- Liquid Crystal (AREA)
- Sealing Material Composition (AREA)
Abstract
空中でアウトガスの殆ど発生しない、LCDパネル製造
の滴下工法用シール剤の提供。 【解決手段】 液晶の比抵抗値の対数の低下量に関し、
発明の詳細な説明に記載の測定方法Aに従って測定され
た値が、該比抵抗値の対数の8%以下となり、かつ、該
液晶の相転移温度の変化量に関し、発明の詳細な説明に
記載の測定方法Bに従って測定された値が、0.5℃以
下となる、光硬化成分、熱硬化成分及び光硬化剤を含有
する、LCDパネルの滴下工法用シール剤。
Description
工法なる手段が知られており、この方法で用いられるシ
ール剤としては、例えば、特開平9−5759号公報記
載のものがある。しかし、これまでのシール剤を用いる
と、シール剤から液晶への汚染がある等の理由から、得
られるパネルの信頼性も低いのが実状であった。
への汚染が極めて少なく、好ましくは真空中でアウトガ
スの殆ど発生しない、LCDパネル製造の滴下工法用シ
ール剤を提供することである。
値の対数の低下量に関し、発明の詳細な説明に記載の測
定方法Aに従って測定された値が、該比抵抗値の対数の
8%以下となり、かつ、該液晶の相転移温度の変化量に
関し、発明の詳細な説明に記載の測定方法Bに従って測
定された値が、0.5℃以下となる、光硬化成分、熱硬
化成分及び光硬化剤を含有する、LCDパネルの滴下工
法用シール剤に関する。
の減量に関し、発明の詳細な説明に記載の測定方法Cに
従って測定された値が、それぞれ0.05重量%以下及
び0.5重量%以下となる、前記シール剤に関する。
光硬化成分は、特に限定されないが、シール剤に用いら
れている既知の、例えば紫外線硬化成分が使用しうる。
好ましくは、使用液晶との極性が背反し、分子量が比較
的大きい(好ましくは400〜1000の範囲)オリゴ
マーである。例えば、ビスフェノールA型エポキシ樹脂
とアクリル酸(又はメタクリル酸)との反応生成物であ
る、部分アクリル化(又は部分メタクリル化)エポキシ
樹脂が挙げられる。部分アクリル化(又は部分メタクリ
ル化)エポキシ樹脂は、例えば、ビスフェノールA型エ
ポキシ樹脂とアクリル酸(又はメタクリル酸)との反応
生成物である部分アクリル化(又は部分メタクリル化)
エポキシ樹脂が挙げられる。この樹脂は、ビスフェノー
ルA型エポキシ樹脂とアクリル酸(又はメタクリル酸)
を、常法に従い、塩基性触媒の存在下で、エポキシ基2
当量に対してカルボン酸基0.9〜1.1当量を反応さ
せることにより得られる。次いで、この反応生成物に、
重量比で約4倍のトルエンと、同量の純水を加え、60
〜80℃で1時間撹拌した後、静置して有機層と水層と
に分離し、水層は除去する。この操作を3〜5回繰り返
し、最後に有機層を回収し残存するトルエンを真空蒸留
により除去して水可溶イオン性物質を低減化処理した部
分アクリル化(又は部分メタクリル化)エポキシ樹脂を
精製する。上述のビスフェノールA型エポキシ樹脂の具
体例として、例えば、エピコート828、834、10
01、1004〔油化シエルエポキシ(株)製〕、エピ
クロン850、860、4055〔(大日本インキ化学
工業(株)製〕等が挙げられる。これら原料樹脂の中
で、水可溶イオン性物質の低減化処理(以下、高純度化
処理という)を行った樹脂が好ましく、例えばエピクロ
ン850S〔(大日本インキ化学工業(株)製〕等が好
適である。
硬化成分は、特に限定されないが、シール剤に用いられ
ている既知のものが使用しうる。例えば、ビスフェノー
ルA型エポキシ樹脂(好ましくは分子量が400以上の
もの)が挙げられる。ビスフェノールA型エポキシ樹脂
の具体例として、例えば、エピコート828、834、
1001、1004〔油化シエルエポキシ(株)製〕、
エピクロン850、860、4055〔(大日本インキ
化学工業(株)製〕等が挙げられる。これら原料樹脂の
中で、水可溶イオン性物質の低減化処理(以下、高純度
化処理という)を行った樹脂が好ましく、例えばエピク
ロン850S、860〔(大日本インキ化学工業(株)
製〕等が好適である。
開始剤は、特に限定されず、様々なものが使用されう
る。好ましくは、使用液晶と相溶性が乏しく、またそれ
自身での光照射時の分解物もガス化しないようなもので
ある。例えば、次の化合物が挙げられ、EYレジン K
R−02(ライトケミカル(株)製)という商品名で入
手可能である:
合、潜在性エポキシ硬化剤を含有することが好ましい。
潜在性硬化剤として、反応温度でガス化しにくいものが
より好ましく、具体的には、イ)メタフェニレンジアミ
ン、ジアミノジフェニルメタン、ジアミノジフェニルス
ルフォン等の芳香族アミン類、ロ)ジシアンジアミド、
ハ)キュアゾールOR、キュアゾールCN、キュアゾー
ルAZINE(四国化成工業(株)製)に代表されるイ
ミダゾール誘導体及びニ)有機酸ジヒドラジド等が挙げ
られる。特に、特殊有機酸ジヒドラジド、具体的にはア
ミキュア−VDH、−LDH、−UDH〔味の素
(株)〕が好ましい。潜在性硬化剤についての高純度化
処理方法としては、メタノール、メタノールと有機
溶剤の混合溶液、メタノールと純水の混合溶液のいず
れかを用いて加温しながら溶解し、充分な撹拌を加えた
後、濾過操作を繰り返し、乾燥して精製する方法を用い
ることができる。
合してもよい。この無機充填剤として具体的には、合成
シリカ、タルク等を挙げることができる。この成分につ
いても必要に応じて高純度化処理を行うが、この方法と
しては純水を用いた洗浄を繰り返すことで所望の精製品
を得ることができる。配合液の濃度を調製する揺変剤、
接着性を改良するためのカップリング剤、添加剤、所定
のギャップを確保するためのスペーサー等を配合しても
よい。揺変剤としては、具体的には、無水珪酸、接着性
改良のためのシランカップリング剤としては、ビニルシ
ラン、エポキシシラン、アミノシラン、メルカプトシラ
ン等の単独又は組み合わせ、添加剤としては、主として
ブタジエン−アクリルニトリル共重合体の変性オリゴマ
ー等、ギャップ出しのスペーサーとしては、所定のサイ
ズに調整されたポリマービーズ等が、例として挙げられ
る。
物質の含有量が、イオン電導度で20μS/cm以下である
ことが好ましく、15μS/cm以下であることがより好ま
しい。このイオン電導度は、例えば(株)堀場製作所製
の導電率計を用いて測定される。また、本発明に係るシ
ール剤は、粘度が200,000〜1,000,000
mPa・sの範囲にあることが好ましい。ここで、この粘度
は、25℃下で、例えば、東機産業EH型粘度を用いて
測定したものである。
に従ってシール剤を液晶に入れたときに、液晶の比抵抗
値の対数の低下量に関しては、硬化物及び液体につい
て、前記比抵抗値の対数の8%以下となり、かつ、前記
液晶の相転移温度の変化量に関しては、0.5℃以下と
なるシール剤を用いる点にある。
る。この瓶を100℃オーブンに1時間投入しその後放
置して室温(25℃)に戻ってから液体電極に液晶部分
を入れ、10Vの電圧をかけ、10分後の液晶(硬化物
及び液体について)の比抵抗値(Ωcm)を測定する。な
お、本発明においては、東陽テクニカ比抵抗測定装置、
エレクトロメーター6517(ケースレー社製)、液体
電極 LE21(安藤電気製)を使用した。本発明に係
る「液晶の比抵抗値の対数の低下量」は、次式に従って
算出される。
る。この瓶を100℃オーブンに1時間投入しその後放
置して室温(25℃)に戻ってからDSCセルに液晶部
分を入れ昇温速度10℃/分で測定しピーク温度を測定
する。なお、本発明においては、熱分析装置 DT−4
0(島津製作所製)を使用した。
を液晶に添加した場合の、この液晶の比抵抗値の対数の
低下量は、比抵抗値の対数の5%以下となるのが好まし
く、2%以下となるのがより好ましく、1%以下となる
ことが特に好ましい。また、測定方法Bに従い、本発明
に従うシール剤を液晶に添加した場合の、この液晶の相
転移温度の変化量が、0.3℃以下となるのが好まし
い。
ル剤が、以下の測定方法Cに従った測定値が、室温下で
の減量は0.05重量%以下であり、150℃下での減
量は0.5重量%以下であるものである。
150℃で1時間置いた後の重量減少率を測定する。な
お、本発明においては、サーモプラス TG8120
(リガク製)を使用した。
は、元の重量に対して0.02重量%以下であることが
好ましく、0.01重量%以下であることがより好まし
い。そして、150℃下での減量は、元の重量に対して
0.2重量%以下であることが好ましく、0.1重量%
以下であることがより好ましい。
げる。ただし、本発明は、下記例に限定されるものでは
なく、また、下記例以外の態様については、当業者が、
使用する液晶との関係で上記測定方法に従い試験を行え
ば容易に実施可能である。
3のシール剤を作製した。なお、部分部分メタクリルエ
ポキシ樹脂は、特開平5−295087号公報の合成例
で調製されたものを用いた。そして、これら成分は、下
記のように高純度処理を施したものである。部分メタク
リル化エポキシ樹脂に関しては、最終洗浄時の処理純水
の電気伝導度が一定値に低下するまで、超純水により繰
り返し洗浄した。最後に、150℃、2500Paで1時
間減圧処理を行い、アウトガス成分を除去した。また、
エピクロン860及び850Sに関しては、150℃、
2500Paで1時間減圧処理を行ってアウトガス成分を
除去した。ACRエポキシR−1415に関しては、最
終洗浄時の処理純水の電気伝導度が一定値に低下するま
で、超純水により繰り返し洗浄した。最後に、150
℃、2500Paで1時間減圧処理を行い、アウトガス成
分を除去した。また、ジシクロペンチニルアクリレート
に関しては、160℃、133Paで減圧蒸留を行った。
ビスフェノールAジメタクリレートに関しては、最終洗
浄時の処理純水の電気伝導度が一定値に低下するまで、
超純水により繰り返し洗浄した。最後に、150℃、2
500Paで1時間減圧処理を行い、アウトガス成分を除
去した。アミキュアーVDHに関しては、メタノールで
加温溶解し300メッシュフィルター処理後、再結晶処
理を行い、60℃、133Paで減圧乾燥処理を行った。
3のシール剤を用いたパネル製造法を説明する。まず、
工程に示すように、実施例1〜3のシール剤{使用直
前に、ギャップ剤PF−50(5μm)を1重量%添
加}を、塗布幅0.3mm、高さ30μmで、ガラス上に
ディスペンス塗布した。その後、工程に示すように、
液晶(ZLI−4792)を所定量滴下し、その後、工
程に示すように、減圧下(13.3Pa)でガラスを貼
り合わせた。そして、工程に示すように、貼り合わせ
たものを真空より取り出し、数分間で5μmまでギャッ
プ出しを行った。そして、工程に示すように、紫外線
を照射(2000mJ)した後、圧締ジグなしで120℃
で60分加熱することにより本硬化させて、パネルを得
た。
い、接着強度や配向異常試験等を行い、その結果を表1
に示す。このように、本発明に係るシール剤は、LCD
パネル、例えば低電圧駆動TFTパネル、垂直配向TF
Tパネルの製造に適したものである。
である。
Claims (2)
- 【請求項1】 液晶の比抵抗値の対数の低下量に関し、
発明の詳細な説明に記載の測定方法Aに従って測定され
た値が、該比抵抗値の対数の8%以下となり、かつ、該
液晶の相転移温度の変化量に関し、発明の詳細な説明に
記載の測定方法Bに従って測定された値が、0.5℃以
下となる、光硬化成分、熱硬化成分及び光硬化剤を含有
する、LCDパネルの滴下工法用シール剤。 - 【請求項2】 室温下及び150℃下での減量に関し、
発明の詳細な説明に記載の測定方法Cに従って測定され
た値が、それぞれ0.05重量%以下及び0.5重量%
以下となる、請求項1記載のシール剤。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31066399A JP3583326B2 (ja) | 1999-11-01 | 1999-11-01 | Lcdパネルの滴下工法用シール剤 |
US10/058,439 US20030147034A1 (en) | 1999-11-01 | 2002-01-28 | Sealing agent for LC dropping method for LCD panels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31066399A JP3583326B2 (ja) | 1999-11-01 | 1999-11-01 | Lcdパネルの滴下工法用シール剤 |
US10/058,439 US20030147034A1 (en) | 1999-11-01 | 2002-01-28 | Sealing agent for LC dropping method for LCD panels |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001133794A true JP2001133794A (ja) | 2001-05-18 |
JP3583326B2 JP3583326B2 (ja) | 2004-11-04 |
Family
ID=29252692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31066399A Expired - Fee Related JP3583326B2 (ja) | 1999-11-01 | 1999-11-01 | Lcdパネルの滴下工法用シール剤 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20030147034A1 (ja) |
JP (1) | JP3583326B2 (ja) |
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JP6497809B2 (ja) | 2015-07-21 | 2019-04-10 | 日本化薬株式会社 | 液晶シール剤及びそれを用いた液晶表示セル |
TWI682991B (zh) | 2015-07-21 | 2020-01-21 | 日商日本化藥股份有限公司 | 液晶密封劑及使用該液晶密封劑的液晶顯示單元 |
TW201704437A (zh) | 2015-07-21 | 2017-02-01 | 日本化藥股份有限公司 | 液晶密封劑及使用該液晶密封劑的液晶顯示單元 |
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