JP2022504001A - フレキシブル素子製造用積層体及びそれを用いたフレキシブル素子の製造方法 - Google Patents
フレキシブル素子製造用積層体及びそれを用いたフレキシブル素子の製造方法 Download PDFInfo
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 2
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 125000005647 linker group Chemical group 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
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- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 125000005004 perfluoroethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 2
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- DRLRGHZJOQGQEC-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl acetate Chemical compound COC(C)COC(C)COC(C)=O DRLRGHZJOQGQEC-UHFFFAOYSA-N 0.000 description 1
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- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 1
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- 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
- 0 C*(CC(CCC(C1)C(O)O2)C(O3)=O)(CC[C@]1C2=O)C3=O Chemical compound C*(CC(CCC(C1)C(O)O2)C(O3)=O)(CC[C@]1C2=O)C3=O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-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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- 239000004962 Polyamide-imide Substances 0.000 description 1
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- 125000004018 acid anhydride group Chemical group 0.000 description 1
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- 125000003172 aldehyde group Chemical group 0.000 description 1
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- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000002521 alkyl halide group Chemical group 0.000 description 1
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- 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 compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
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- 125000003700 epoxy group Chemical group 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- 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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
また、本発明は、前記積層体を用いて製造されたフレキシブル素子を提供する。
また、本発明は、前記積層体を用いて製造されたフレキシブルディスプレイを提供する。
本発明のさらなる課題は、前記積層体を用いるフレキシブル素子の製造方法を提供するところにある。
一実施例によれば、Xが、下記化学式3aから化学式3kの4価の有機基から選択されるものである。
一実施例によれば、Yが、下記化学式4aから化学式4kから選択される2価の有機基である。
一実施例によれば、前記剥離力調節層が、下記化学式5の反復構造を含むポリイミドを含みうる。
一実施例によれば、前記可撓性基板層が、ポリイミドを含みうる。
一実施例によれば、前記剥離力調節層の厚さが、0.1~3.5μである。
本発明は、また、前記積層体を使用してフレキシブル素子を製造する方法を提供する。
一実施例によれば、前記フレキシブル素子は、フレキシブルディスプレイ装置である。
ここで、化学構造式に表示された*は、連結部品を示す。
一実施例によれば、前記剥離力調節層に含まれたポリイミドは、下記化学式5の反復構造を含みうる。
前記剥離力調節層の硬化工程は、200~300℃の温度で熱処理によって進行しうる。
PDA(p-フェニレンジアミン)0.095molを窒素雰囲気下でDEAc(N,N-ジエチルアセトアミド)100gに溶解させた後、PMDA(ピロメリット酸無水物)0.0917molと追加溶媒としてDEAc 80gとを添加して、48時間反応させて、ポリアミド酸溶液を製造した。前記ポリアミド酸溶液を適正濃度で希釈して、ガラス基板上に1μの厚さにコーティングした後、250℃で硬化して、剥離力調節層を製造した。
TFMB(2,2'-ビス(トリフルオロメチル)-4,4'-ジアミノビフェニル)0.0666 molを窒素雰囲気下でDEAc 70gに溶解させた後、PMDA 0.033mol及びBPDA 0.033molを追加溶媒としてDEAc 150gと共に添加して、48時間反応させて、ポリアミド酸溶液を製造した。
<実施例2から実施例4>
<屈折率の測定>
剥離力調節層と可撓性基板層とのポリイミドの550nmの波長光に対するTEモードとTMモードとの屈折率をMetricon社の2010Mプリズム結合器を用いて測定した。
前記測定された屈折率に基づいて数式1の△n値を計算して、下記表1に示した。
積層体の剥離力は、積層体を幅10mm及び長さ100mmの長方形にカッティングした後、カッティングした可撓性基板の端部を握って50mm/minの速度で取り外す場合に入る力をTexture Analyzer(TA、XT plus、Stable microsystems)を用いて測定した。
屈折率及び剥離力の測定結果を表1に示した。
Claims (15)
- 前記化学式1のテトラカルボン酸二無水物を含む二無水物の総モル数が、前記化学式2の構造を有するジアミンを含むジアミンの総モル数よりも小さい、請求項2から5の何れか一項に記載のフレキシブル素子製造用積層体。
- 前記ジアミンの総モル数に対して、前記二無水物の総モル数が100:95~99である、請求項6に記載のフレキシブル素子製造用積層体。
- 前記可撓性基板層が、ポリイミドを含む、請求項1から7の何れか一項に記載のフレキシブル素子製造用積層体。
- 前記剥離力調節層の550nmの波長光に対するTEモード屈折率とTMモード屈折率との平均値が、1.65~1.75である、請求項1から8の何れか一項に記載のフレキシブル素子製造用積層体。
- 前記可撓性基板層の550nmの波長光に対するTEモード屈折率とTMモード屈折率との平均値が、1.55~1.65未満である、請求項1から9の何れか一項に記載のフレキシブル素子製造用積層体。
- 前記剥離力調節層の厚さが、0.1~3.5μである、請求項1から10の何れか一項に記載のフレキシブル素子製造用積層体。
- 請求項1から請求項11のうち何れか一項に記載のフレキシブル素子製造用積層体を使用してフレキシブル素子を製造する方法。
- キャリア基板層上に剥離力調節層製造用ポリイミド前駆体組成物をコーティングした後、200~300℃の温度で硬化させて剥離力調節層を形成する段階と、
前記剥離力調節層上に可撓性基板製造用組成物をコーティング及び硬化して可撓性基板層を形成する段階と、
前記可撓性基板層上に素子を形成する段階と、
前記素子が形成された可撓性基板を前記剥離力調節層が形成されたキャリア基板から剥離する段階と、を含み、
前記剥離力調節層と前記可撓性基板層は、下記数式1で定義されるΔn値が0.05以上を満足する、フレキシブル素子の製造方法:
[数式1]
n1:前記剥離力調節層の550nmの波長光に対するTEモード屈折率とTMモード屈折率との平均値であり、
n2:前記可撓性基板層の550nmの波長光に対するTEモード屈折率とTMモード屈折率との平均値である。 - 前記可撓性基板層を前記剥離力調節層がコーティングされたキャリア基板から剥離する場合に、剥離力が0.1N/cm以下である、請求項13に記載のフレキシブル素子の製造方法。
- 前記フレキシブル素子が、フレキシブルディスプレイ装置である、請求項13または14に記載のフレキシブル素子の製造方法。
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