JP2020509127A - フレキシブルディスプレイ素子基板用ポリイミドフィルム - Google Patents
フレキシブルディスプレイ素子基板用ポリイミドフィルム Download PDFInfo
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- JP2020509127A JP2020509127A JP2019546832A JP2019546832A JP2020509127A JP 2020509127 A JP2020509127 A JP 2020509127A JP 2019546832 A JP2019546832 A JP 2019546832A JP 2019546832 A JP2019546832 A JP 2019546832A JP 2020509127 A JP2020509127 A JP 2020509127A
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- Prior art keywords
- polyimide film
- polyimide
- temperature
- thermal expansion
- film according
- 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.)
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- 229920001721 polyimide Polymers 0.000 title claims abstract description 153
- 239000000758 substrate Substances 0.000 title claims abstract description 47
- 239000004642 Polyimide Substances 0.000 claims description 84
- 239000002243 precursor Substances 0.000 claims description 59
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 27
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 27
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 25
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000006116 polymerization reaction Methods 0.000 claims description 16
- 239000003960 organic solvent Substances 0.000 claims description 15
- 238000002834 transmittance Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- NNJMFJSKMRYHSR-UHFFFAOYSA-N 4-phenylbenzoic acid Chemical compound C1=CC(C(=O)O)=CC=C1C1=CC=CC=C1 NNJMFJSKMRYHSR-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
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- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
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- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
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- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 150000004986 phenylenediamines Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- UOHMMEJUHBCKEE-UHFFFAOYSA-N prehnitene Chemical compound CC1=CC=C(C)C(C)=C1C UOHMMEJUHBCKEE-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 description 1
- ZIKLJUUTSQYGQI-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxypropoxy)propane Chemical compound CCOCC(C)OCC(C)OCC ZIKLJUUTSQYGQI-UHFFFAOYSA-N 0.000 description 1
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 1
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 1
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- DRLRGHZJOQGQEC-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl acetate Chemical compound COC(C)COC(C)COC(C)=O DRLRGHZJOQGQEC-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- DZLUPKIRNOCKJB-UHFFFAOYSA-N 2-methoxy-n,n-dimethylacetamide Chemical compound COCC(=O)N(C)C DZLUPKIRNOCKJB-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
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- ZWXPDGCFMMFNRW-UHFFFAOYSA-N N-methylcaprolactam Chemical compound CN1CCCCCC1=O ZWXPDGCFMMFNRW-UHFFFAOYSA-N 0.000 description 1
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- CCAFPWNGIUBUSD-UHFFFAOYSA-N diethyl sulfoxide Chemical compound CCS(=O)CC CCAFPWNGIUBUSD-UHFFFAOYSA-N 0.000 description 1
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical class COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
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- 239000012776 electronic material Substances 0.000 description 1
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- FLYALNGHRYLLJG-UHFFFAOYSA-N ethyl acetate 2-[2-(2-hydroxyethoxy)ethoxy]ethanol Chemical compound C(C)(=O)OCC.C(COCCOCCO)O FLYALNGHRYLLJG-UHFFFAOYSA-N 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
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- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
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- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
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- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G73/101—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents
- C08G73/1014—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents in the form of (mono)anhydrid
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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Abstract
Description
Claims (11)
- 100〜350℃区間の熱膨張係数(A)と
350〜450℃区間の熱膨張係数(B)が、
0<B/A<2を満足する
ポリイミドフィルム。 - 100〜350℃区間の熱膨張係数(A)と
350〜450℃区間の熱膨張係数(B)が、
0<B−A<1を満足する
請求項1に記載のポリイミドフィルム。 - 前記ポリイミドフィルムは、ポリイミド前駆体溶液を最終硬化温度450℃以上で硬化させて製膜された
請求項1または2に記載のポリイミドフィルム。 - 前記ポリイミドフィルムは、
4,4'−パラフェニレンジアミン(pPDA)1molに対して、
3,3',4,4'−ビフェニルカルボン酸二無水物(s−BPDA)1mol未満のmol比で重合され、
無水フタル酸(PA)を添加して末端が封止されたポリイミドで製造され、
350℃以上の温度で熱膨張係数(CTE)が正(+)の値を有する
請求項1から3のいずれか1項に記載のポリイミドフィルム。 - 前記3,3',4,4'−ビフェニルカルボン酸二無水物(s−BPDA)及び4,4'−パラフェニレンジアミン(pPDA)のmol比が、
0.98:1〜0.99:1である
請求項4に記載のポリイミドフィルム。 - 前記無水フタル酸(PA)を含む末端封止剤が、
4,4'−パラフェニレンジアミン(pPDA)1molに対して
0.02〜0.025mol比で重合される
請求項4または5に記載のポリイミドフィルム。 - 前記ポリイミドフィルムの透過度が、70%以上である
請求項1から6のいずれか1項に記載のポリイミドフィルム。 - 1次昇温後、冷却されたポリイミドフィルムを50℃から450℃に2次昇温時に測定された熱膨張係数(CTE)は、
0以上7ppm/℃以下の値を有する
請求項1から7のいずれか1項に記載のポリイミドフィルム。 - 重合溶媒に4,4'−パラフェニレンジアミン(pPDA)1molに対して、3,3',4,4'−ビフェニルカルボン酸二無水物(s−BPDA)を1mol未満に含む重合成分及び末端封止剤として無水フタル酸(PA)を添加してポリイミド前駆体を製造する段階と、
前記ポリイミド前駆体及び有機溶媒を含むポリイミド前駆体溶液を製造する段階と、
前記ポリイミド前駆体溶液を基板上に塗布する段階と、
前記塗布されたポリイミド前駆体溶液を乾燥及び加熱する段階と、
を含む
請求項1から8のいずれか1項に記載のポリイミドフィルムの製造方法。 - 前記ポリイミド前駆体溶液の乾燥及び加熱を通じる硬化工程において、
最終硬化温度が450℃以上である
請求項9に記載のポリイミドフィルムの製造方法。 - 請求項1から請求項8のうち何れか一項に記載のポリイミドフィルムを基板として含む
フレキシブルディスプレイ素子。
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KR10-2017-0112323 | 2017-09-04 | ||
KR1020170172005A KR20190071195A (ko) | 2017-12-14 | 2017-12-14 | 플렉서블 디스플레이 소자 기판용 폴리이미드 필름 |
KR10-2017-0172005 | 2017-12-14 | ||
PCT/KR2018/009818 WO2019045376A1 (ko) | 2017-09-04 | 2018-08-27 | 플렉서블 디스플레이 소자 기판용 폴리이미드 필름 |
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JP2023029234A (ja) * | 2021-08-20 | 2023-03-03 | エスケイシー・カンパニー・リミテッド | ポリアミド-イミド系フィルム、その製造方法、並びにそれを含むカバーウィンドウおよびディスプレイ装置 |
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