WO2016052255A1 - Method for manufacturing tft substrate, organic el display device, method for manufacturing organic el display device, liquid crystal display device, and method for manufacturing liquid crystal display device - Google Patents
Method for manufacturing tft substrate, organic el display device, method for manufacturing organic el display device, liquid crystal display device, and method for manufacturing liquid crystal display device Download PDFInfo
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- WO2016052255A1 WO2016052255A1 PCT/JP2015/076662 JP2015076662W WO2016052255A1 WO 2016052255 A1 WO2016052255 A1 WO 2016052255A1 JP 2015076662 W JP2015076662 W JP 2015076662W WO 2016052255 A1 WO2016052255 A1 WO 2016052255A1
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- NWAHZAIDMVNENC-UHFFFAOYSA-N octahydro-1h-4,7-methanoinden-5-yl methacrylate Chemical compound C12CCCC2C2CC(OC(=O)C(=C)C)C1C2 NWAHZAIDMVNENC-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- QHGUPRQTQITEPO-UHFFFAOYSA-N oxan-2-yl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCO1 QHGUPRQTQITEPO-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- CSVRUJBOWHSVMA-UHFFFAOYSA-N oxolan-2-yl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCO1 CSVRUJBOWHSVMA-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 1
- 125000005440 p-toluyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C(*)=O)C([H])([H])[H] 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000001484 phenothiazinyl group Chemical class C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical class C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000005767 propoxymethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])[#8]C([H])([H])* 0.000 description 1
- 229940116423 propylene glycol diacetate Drugs 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000005394 sealing glass Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 125000005463 sulfonylimide group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229940066767 systemic antihistamines phenothiazine derivative Drugs 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- XKXIQBVKMABYQJ-UHFFFAOYSA-M tert-butyl carbonate Chemical group CC(C)(C)OC([O-])=O XKXIQBVKMABYQJ-UHFFFAOYSA-M 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 1
- MCZDHTKJGDCTAE-UHFFFAOYSA-M tetrabutylazanium;acetate Chemical compound CC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC MCZDHTKJGDCTAE-UHFFFAOYSA-M 0.000 description 1
- JCJNUSDBRRKQPC-UHFFFAOYSA-M tetrahexylazanium;hydroxide Chemical compound [OH-].CCCCCC[N+](CCCCCC)(CCCCCC)CCCCCC JCJNUSDBRRKQPC-UHFFFAOYSA-M 0.000 description 1
- MRYQZMHVZZSQRT-UHFFFAOYSA-M tetramethylazanium;acetate Chemical compound CC([O-])=O.C[N+](C)(C)C MRYQZMHVZZSQRT-UHFFFAOYSA-M 0.000 description 1
- IEVVGBFMAHJELO-UHFFFAOYSA-M tetramethylazanium;benzoate Chemical compound C[N+](C)(C)C.[O-]C(=O)C1=CC=CC=C1 IEVVGBFMAHJELO-UHFFFAOYSA-M 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003627 tricarboxylic acid derivatives Chemical class 0.000 description 1
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/32—Amides; Substituted amides
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
-
- C11D2111/22—
Definitions
- the interlayer insulating film in the display device is desired to have high transparency. Yes. Further, in order to improve the tact time in the manufacturing process of the TFT substrate, it is desired to improve the sensitivity of the interlayer insulating film. Further, as the definition of the panel increases, the resolution of the interlayer insulating film needs to be improved. In order to satisfy these various characteristics, an increasing number of panel manufacturers apply a chemically amplified interlayer insulating film to organic EL display devices and liquid crystal display devices. As a photosensitive resin composition used for the above-mentioned chemically amplified interlayer insulating film, for example, the one described in Patent Document 1 is known.
- a stripping composition that does not contain dimethyl sulfoxide for example, a stripping composition described in Patent Document 2 is known.
- Step 3 Step of forming a resist layer using the resist composition on the inorganic film
- Step 4 Step of developing the resist layer with exposure and aqueous developer
- Step 5 The inorganic film through the developed resist layer
- Step 6 Step of removing the resist layer by using a stripping solution composition represented by the following composition b:
- component A a polymer component containing polymer 1 having structural unit a1 having a group in which an acid group is protected by an acid-decomposable group, as component B, as a photoacid generator, as component C, as a molecular weight of 1,000
- component A a polymer component containing polymer 1 having structural unit a1 having a group in which an acid group is protected by an acid-decomposable group
- component B as a photoacid generator
- component C as a molecular weight of 1,000
- the following cross-linking agent and component D contain an organic solvent, and component A does not contain a structural unit a2 having a crosslinkable group in all polymer components, or with
- the molecular weight of the polymer component is a polystyrene-reduced weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) using tetrahydrofuran (THF) as a solvent.
- radical polymerizable monomer used for forming the structural unit having a protected carboxyl group represented by the above formula (a1-10) a commercially available one may be used, or one synthesized by a known method Can also be used. For example, it can be synthesized by the synthesis method described in paragraphs 0037 to 0040 of JP2011-212494A.
- R 220 represents a hydrogen atom or a methyl group
- R 221 represents a single bond or a divalent linking group
- R 222 represents a halogen atom or a linear or branched chain having 1 to 5 carbon atoms.
- A represents an integer of 1 to 5
- b represents an integer of 0 to 4
- a + b is 5 or less.
- these R222 may mutually differ or may be the same.
- the polymer 1 includes a structural unit containing an epoxy group. In more detail, the following are mentioned.
- R 301 represents a divalent linking group having 1 to 13 carbon atoms
- R 302 represents a hydrogen atom or a methyl group
- a wavy line part represents a structural unit having a crosslinkable group (a2 ) In the main chain.
- the structural unit (a2) containing a crosslinkable group is not contained in all polymer components or is 5 mol% or less, preferably 0, based on all structural units in all polymer components. Only included in proportions exceeding mol%. Generation of an etching resist residue is suppressed by the combination with a specific stripping solution composition within the above numerical range.
- 0 mol% may be sufficient, it is preferable to set it as 1 mol% or more, for example, and it is more preferable to set it as 5 mol% or more. Within the above numerical range, the properties of the cured film obtained from the curable composition will be good.
- a blocked isocyanate compound in the curable composition, can also be preferably employed as a crosslinking agent.
- the blocked isocyanate compound is not particularly limited as long as the isocyanate group has a chemically protected blocked isocyanate group, but is a compound having two or more blocked isocyanate groups in one molecule from the viewpoint of curability. It is preferable.
- a blocked isocyanate compound having a molecular weight of 1,000 or less, preferably 100 or more, more preferably 140 or more is used as a crosslinking agent.
- the resist material applied on the inorganic film of the present invention is not particularly limited, and a known resist material is used.
- a positive type, a negative type, and a positive / negative type photoresist can be mentioned, and a positive type resist material is preferable.
- Specific examples of the positive resist include vinyl cinnamate-based, cyclized polyisobutylene-based, azo-novolak resin-based, diazoketone-novolak resin-based, and resists described in JP2013-15694A.
- Specific examples of the negative resist include azide-cyclized polyisoprene, azido-phenol resin, and chloromethyl polystyrene.
- R 1 to R 3 each independently represent a hydrogen atom or an alkyl group, R 1 and R 2 , or R 1 and R 3 may be linked to form a ring, and R 4 is an alkylene
- R 5 represents a hydrogen atom or an alkyl group
- n represents an integer of 1 to 4.
- Component I amine compound is contained in the stripping composition in an amount of 5 to 70% by mass, preferably 5 to 50% by mass.
- the reaction to the resist on the inorganic film can be promoted, the dissolution behavior can be accelerated, and the peelability of the resist layer can be improved.
- the influence of the peeling liquid of the lower layer cured film (organic film) is reduced, the resistance to the peeling liquid is improved, and the cured film surface after peeling the resist layer on the inorganic film The residue of the resist layer can be reduced.
- a plurality of amine compounds can be used in combination, and in that case, the content is calculated by adding all the amine compounds.
Abstract
Description
ジメチルスルホキシドは多くの有機化合物・無機化合物を良く溶かす安全性の高い溶剤である一方、難分解性有機硫黄化合物であり、急性毒性は低いものの、細胞組織への浸透性が高いことが知られている。また熱分解や微生物分解により、ジメチルスルホキシドは毒性の高い悪臭物質ジメチルスルフィド(DMS)に分解されることがある。ジメチルスルフィドは自然界に低濃度で存在するが、ジメチルスルホキシドの還元によって局所的に高濃度でジメチルスルフィドが発生すると、生体に対する高い毒性が懸念される。これらの背景により、ジメチルスルホキシドを使用しない剥離液の使用が増加している。 In paragraph 0237 of
While dimethyl sulfoxide is a highly safe solvent that dissolves many organic and inorganic compounds well, it is a hardly decomposable organic sulfur compound, and although it has low acute toxicity, it is known to have high permeability to cellular tissues. Yes. Moreover, dimethyl sulfoxide may be decomposed into highly toxic malodorous substance dimethyl sulfide (DMS) by thermal decomposition or microbial decomposition. Although dimethyl sulfide exists in nature at a low concentration, when dimethyl sulfide is locally generated at a high concentration by reduction of dimethyl sulfoxide, there is a concern about high toxicity to a living body. Due to these backgrounds, the use of stripping solutions that do not use dimethyl sulfoxide is increasing.
さらに、本発明は、上記硬化性組成物の硬化感度に優れ、得られる硬化膜が剥離液耐性に優れる、TFT基板の製造方法を提供することを目的とする。
本発明は、さらに、このようなTFT基板の製造方法を用いた有機EL表示装置、及び、液晶表示装置の製造方法を提供することを目的とする。 The problem to be solved by the present invention is to provide a method for producing a TFT substrate with less etching resist residue on the surface of the cured film (organic film) after the etching resist layer on the inorganic film is peeled and removed using a stripping solution composition. Is to provide.
Furthermore, this invention aims at providing the manufacturing method of a TFT substrate which is excellent in the curing sensitivity of the said curable composition, and the cured film obtained is excellent in peeling solution tolerance.
Another object of the present invention is to provide an organic EL display device using such a method for manufacturing a TFT substrate and a method for manufacturing a liquid crystal display device.
<1> 少なくとも下記の工程1~工程6をこの順で含むTFT基板の製造方法、
工程1:下記組成aで表される硬化性組成物を用いて、TFT素子を備える基板上に有機膜を形成する工程
工程2:上記有機膜上の少なくとも一部に無機膜を形成する工程
工程3:上記無機膜上にレジスト組成物を用いてレジスト層を形成する工程
工程4:上記レジスト層を露光及び水性現像液により現像する工程
工程5:現像された上記レジスト層を介して上記無機膜をエッチングする工程
工程6:上記レジスト層を下記組成bで表される剥離液組成物を用いて剥離除去する工程
組成a:
成分Aとして、酸基が酸分解性基で保護された基を有する構成単位a1を有する重合体1を含有する重合体成分、成分Bとして、光酸発生剤、成分Cとして、分子量1,000以下の架橋剤、及び、成分Dとして、有機溶剤を含有し、成分Aが架橋性基を有する構成単位a2を全重合体成分中に含まないか、全重合体成分中の全構成単位に対して5モル%以下の割合で含み、成分Cの含有量が組成物の全有機固形分中の7~30質量%である、
組成b:
成分Iとして、アミン化合物、並びに、成分IIとして、下記式II-1及び/又は下記式II-2で表される化合物を含有し、成分Iの含有量が剥離液組成物の全量に対して5~70質量%であり、成分I及び式II-1で表される化合物の含有量合計が剥離液組成物の全量に対して50~100質量%である The above-described problems of the present invention have been solved by means described in the following <1>, <10>, <11>, <12>, and <13>. It is described below together with <2> to <9> which are preferred embodiments.
<1> A method of manufacturing a TFT substrate including at least the
Step 1: A step of forming an organic film on a substrate having a TFT element using a curable composition represented by the following composition a. Step 2: A step of forming an inorganic film on at least a part of the organic film. 3: Step of forming a resist layer using the resist composition on the inorganic film Step 4: Step of developing the resist layer with exposure and aqueous developer Step 5: The inorganic film through the developed resist layer Step 6: Step of removing the resist layer by using a stripping solution composition represented by the following composition b:
As component A, a polymer
Composition b:
Component I contains an amine compound, and Component II contains a compound represented by the following formula II-1 and / or formula II-2, and the content of component I is based on the total amount of the stripping composition. 5 to 70% by mass, and the total content of the component I and the compound represented by Formula II-1 is 50 to 100% by mass with respect to the total amount of the stripping composition.
<3> 上記剥離液組成物において、式II-2で表される化合物が、ジエチレングリコールモノブチルエーテル、ジプロプレングリコールモノメチルエーテル、又は、これらの混合物である、<1>又は<2>に記載のTFT基板の製造方法、
<4> 上記剥離液組成物中の上記アミン化合物がヒドロキシ基を有するアミン化合物である、<1>~<3>のいずれか1つに記載のTFT基板の製造方法、
<5> 上記ヒドロキシ基を有するアミン化合物が、下記式I-1で表される化合物である、<4>に記載のTFT基板の製造方法、 <2> In the above stripping composition, the compound represented by Formula II-1 is N-methylpyrrolidone, 1- (hydroxymethyl) -2-pyrrolidinone, dimethylacetamide, N-methylformamide, dimethylformamide, or The method for producing a TFT substrate according to <1>, which is a mixture of these,
<3> The TFT according to <1> or <2>, wherein the compound represented by the formula II-2 in the release liquid composition is diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, or a mixture thereof. Substrate manufacturing method,
<4> The method for producing a TFT substrate according to any one of <1> to <3>, wherein the amine compound in the stripping composition is an amine compound having a hydroxy group,
<5> The method for producing a TFT substrate according to <4>, wherein the amine compound having a hydroxy group is a compound represented by the following formula I-1.
<7> 上記架橋剤が、分子内に2個以上のエポキシ基又はオキセタニル基を有する化合物、ブロックイソシアネート化合物、及び、アルコキシメチル基含有架橋剤よりなる群から選ばれた少なくとも1種である、<1>~<6>のいずれか1つに記載のTFT基板の製造方法、
<8> 上記重合体1の構成単位a1が、酸基がアセタールの形で保護された基を有する構成単位である、<1>~<7>のいずれか1つに記載のTFT基板の製造方法、
<9> 上記光酸発生剤が、オキシムスルホネート化合物、イミドスルホネート化合物及びオニウム塩化合物よりなる群から選ばれた少なくとも1種である、<1>~<8>のいずれか1つに記載のTFT基板の製造方法、
<10> <1>~<9>のいずれか1つに記載のTFT基板の製造方法を含む、有機EL表示装置の製造方法、
<11> <1>~<9>のいずれか1つに記載のTFT基板の製造方法を含む、液晶表示装置の製造方法、
<12> <10>に記載の有機EL表示装置の製造方法により製造された有機EL表示装置、
<13> <11>に記載の液晶表示装置の製造方法により製造された液晶表示装置。 <6> The amine compound having a hydroxy group is selected from the group consisting of monoethanolamine, N-propanolamine, monoisopropanolamine, 2- (2-aminoethoxy) ethanol, monomethylethanolamine, and N, N-diethylhydroxylamine. The method for producing a TFT substrate according to <4> or <5>, which is at least one selected
<7> The crosslinking agent is at least one selected from the group consisting of a compound having two or more epoxy groups or oxetanyl groups in the molecule, a blocked isocyanate compound, and an alkoxymethyl group-containing crosslinking agent. 1> to <6>, a manufacturing method of the TFT substrate according to any one of
<8> The production of a TFT substrate according to any one of <1> to <7>, wherein the structural unit a1 of the
<9> The TFT according to any one of <1> to <8>, wherein the photoacid generator is at least one selected from the group consisting of an oxime sulfonate compound, an imide sulfonate compound, and an onium salt compound. Substrate manufacturing method,
<10> A method for producing an organic EL display device, comprising the method for producing a TFT substrate according to any one of <1> to <9>,
<11> A method for producing a liquid crystal display device, comprising the method for producing a TFT substrate according to any one of <1> to <9>,
<12> An organic EL display device manufactured by the method for manufacturing an organic EL display device according to <10>,
<13> A liquid crystal display device manufactured by the method for manufacturing a liquid crystal display device according to <11>.
本明細書において、数値範囲が「~」のように表される場合、その数値範囲はその前後に記載される下限値及び上限値を含む範囲を意味する。また、本発明における有機EL素子とは、有機エレクトロルミネッセンス素子のことをいう。
本明細書における化合物の表記において、「基(原子団)」は、置換及び無置換の記載のない表記は、無置換の基と共に置換基を有する基をも包含するものである。例えば「アルキル基」とは、置換基を有さないアルキル基(無置換アルキル基)のみならず、置換基を有するアルキル基(置換アルキル基)をも包含するものである。
また、本明細書における化学構造式は、水素原子を省略した簡略構造式で記載される場合もある。
なお、本明細書中において、“(メタ)アクリレート”はアクリレート及びメタクリレートを表し、“(メタ)アクリル”はアクリル及びメタクリルを表し、“(メタ)アクリロイル”はアクリロイル及びメタクリロイルを表す。
また、本発明において、「成分A:酸基が酸分解性基で保護された基を有する構成単位a1を有する重合体1を含有する重合体成分」等を、単に「成分A」等ともいう。
また、本発明において、「質量%」と「重量%」とは同義であり、「質量部」と「重量部」とは同義である。
また、本発明において、好ましい態様の2以上の組み合わせは、より好ましい態様である。 Hereinafter, the present invention will be described in detail.
In this specification, when a numerical range is expressed as “to”, the numerical range means a range including a lower limit value and an upper limit value described before and after the numerical range. The organic EL element in the present invention refers to an organic electroluminescence element.
In the description of the compound in the present specification, the “group (atomic group)” includes a group having a substituent as well as an unsubstituted group. For example, the “alkyl group” includes not only an alkyl group having no substituent (unsubstituted alkyl group) but also an alkyl group having a substituent (substituted alkyl group).
In addition, the chemical structural formula in this specification may be expressed as a simplified structural formula in which a hydrogen atom is omitted.
In the present specification, “(meth) acrylate” represents acrylate and methacrylate, “(meth) acryl” represents acryl and methacryl, and “(meth) acryloyl” represents acryloyl and methacryloyl.
In the present invention, “component A: polymer
In the present invention, “mass%” and “wt%” are synonymous, and “part by mass” and “part by weight” are synonymous.
Moreover, in this invention, the combination of 2 or more of a preferable aspect is a more preferable aspect.
本発明のTFT基板の製造方法は、少なくとも下記の工程1~工程6をこの順で含むTFT基板の製造方法である。
工程1:下記組成aで表される硬化性組成物を用いて、TFT素子を備える基板上に有機膜層を形成する工程
工程2:上記有機膜上の少なくとも一部に無機膜を形成する工程
工程3:上記無機膜上にレジスト組成物を用いてレジスト層を形成する工程
工程4:上記レジスト層を露光及び水性現像液により現像する工程
工程5:現像された上記レジスト層を介して上記無機膜をエッチングする工程
工程6:上記レジスト層を下記組成bで表される剥離液組成物を用いて剥離除去する工程
工程1において、組成aは、成分Aとして、酸基が酸分解性基で保護された基を有する構成単位a1を有する重合体1を含有する重合体成分、成分Bとして、光酸発生剤、成分Cとして、分子量1,000以下の架橋剤、及び、成分Dとして、有機溶剤を含有し、成分Aが架橋性基を有する構成単位a2を全重合体成分中に含まないか、全重合体成分中の全構成単位に対して5モル%以下の割合で含み、成分Cの含有量が組成物の全有機固形分中の7~30質量%である、硬化性組成物であり、
工程6において、組成bは、成分Iとして、アミン化合物、並びに、成分IIとして、下記式II-1及び/又は下記式II-2で表される化合物を含有し、成分Iの含有量が剥離液組成物の全量に対して5~70質量%であり、成分I及び式II-1で表される化合物の含有量合計が剥離液組成物の全量に対して50~100質量%である、剥離液組成物である。 <Manufacturing method of TFT substrate>
The TFT substrate manufacturing method of the present invention is a TFT substrate manufacturing method including at least the following
Step 1: A step of forming an organic film layer on a substrate having a TFT element using a curable composition represented by the following composition a. Step 2: A step of forming an inorganic film on at least a part of the organic film. Step 3: A step of forming a resist layer on the inorganic film using a resist composition Step 4: A step of developing the resist layer with exposure and an aqueous developer Step 5: The inorganic layer through the developed resist layer Step 6: Etching Film Step 6: Step of Stripping and Removing the Resist Layer Using a Stripping Solution Composition Represented by Composition b below In
In
本発明のTFT基板の製造方法は、以下の(工程1)~(工程6)の6つの製造工程を必須工程として、この順で含有する。ただし、これ以外の工程が途中に含まれることを排除するものではない。以下に上記の必須工程を順に説明する。 Hereinafter, the present invention will be described in detail.
The manufacturing method of the TFT substrate of the present invention includes the following six manufacturing steps (step 1) to (step 6) as essential steps in this order. However, it is not excluded that other steps are included in the middle. Hereinafter, the essential steps will be described in order.
(組成aで表される硬化性組成物)
「組成aで示される硬化性組成物」は、いわゆる化学増幅型の感光性ポジ型硬化性組成物であって、以下の成分A~Dを必須成分として含有する。
成分Aとして、酸基が酸分解性基で保護された基を有する構成単位a1を有する重合体1を含有する重合体成分、
成分Bとして、光酸発生剤
成分Cとして、分子量1,000以下の架橋剤、及び、
成分Dとして、有機溶剤
かつ、上記の硬化性組成物において、成分Aが架橋性基を有する構成単位a2を全重合体成分中に含まないか、全重合体成分中の全構成単位に対して5モル%以下の、好ましくは0モル%を超える割合で含み、成分Cの含有量が組成物の全有機固形分中の7~30質量%である。
以下説明の便宜上、「成分Aとしての、酸基が酸分解性基で保護された基を有する構成単位a1を有する重合体1を含有する重合体成分」を「成分A」のようにも表記し、「成分B」、「成分C」、及び「成分D」についても同様とする。
以下に、上記の成分A~成分Dについて順に説明する。 (Step 1) Step of forming an organic film layer on a substrate provided with a TFT element using a curable composition represented by the following composition a (curable composition represented by composition a)
The “curable composition represented by the composition a” is a so-called chemical amplification type photosensitive positive curable composition containing the following components A to D as essential components.
As a component A, a polymer component containing a
As component B, photoacid generator As component C, a crosslinking agent having a molecular weight of 1,000 or less, and
Component D is an organic solvent, and in the above curable composition, Component A does not contain a structural unit a2 having a crosslinkable group in all polymer components, or is based on all structural units in all polymer components. It is contained in a proportion of 5 mol% or less, preferably more than 0 mol%, and the content of component C is 7 to 30% by mass in the total organic solid content of the composition.
Hereinafter, for convenience of explanation, “polymer
Hereinafter, the components A to D will be described in order.
成分Aは、露光により生じる触媒量の酸性物質の作用により、その重合体成分に含まれる重合体1中の酸基が酸分解性基で保護された基を有する構成単位a1が脱保護反応を受け酸基となる。この酸基により、硬化反応が可能となる。
以下に構成単位a1の好ましい態様について説明する。 (Component A: Polymer
Component A is composed of a structural unit a1 having a group in which the acid group in the
Hereinafter, preferred embodiments of the structural unit a1 will be described.
本発明で使用される硬化性組成物は、重合体成分を含有し、この重合体成分は、必須成分として、(成分A)酸基が酸分解性基で保護された基を有する構成単位を有する重合体1を含有する。
なお、本発明において、「酸基が酸分解性基で保護された基を有する構成単位a1」を「(a1)酸基が酸分解性基で保護された基を有する構成単位」ともいう。 (
The curable composition used in the present invention contains a polymer component, and this polymer component includes, as an essential component, (Component A) a structural unit having a group in which an acid group is protected with an acid-decomposable group. The
In the present invention, “structural unit a1 having a group in which an acid group is protected with an acid-decomposable group” is also referred to as “(a1) structural unit having a group in which an acid group is protected with an acid-decomposable group”.
本発明で使用される硬化性組成物は、下記(1)及び(2)の少なくとも一方を満たす重合体を含む重合体成分を含有することが好ましい。
(1)(a1)酸基が酸分解性基で保護された基を有する構成単位及び(a2)架橋性基を有する構成単位を有する重合体
(2)(a1)酸基が酸分解性基で保護された基を有する構成単位を有する重合体、及び、(a2)架橋性基を有する構成単位を有する重合体
ただし、成分Aは、架橋性基を有する構成単位a2を全重合体成分中に含まないか、又は、全重合体成分に含まれる重合体の全構成単位に対して5モル%以下の、好ましくは0モル%を超える割合で含む。
本発明で使用される硬化性組成物は、さらに、これら以外の重合体を含んでいてもよい。本発明における成分Aは、特に述べない限り、上記(1)及び/又は(2)に加え、必要に応じて添加される他の重合体を含めたものを意味するものとする。 The curable composition used in the present invention may further contain a polymer other than the
It is preferable that the curable composition used by this invention contains the polymer component containing the polymer which satisfy | fills at least one of following (1) and (2).
(1) (a1) a polymer having a structural unit having an acid group protected with an acid-decomposable group and (a2) a structural unit having a crosslinkable group (2) (a1) an acid group having an acid-decomposable group And (a2) a polymer having a structural unit having a crosslinkable group. However, Component A includes the structural unit a2 having a crosslinkable group in all polymer components. Or 5 mol% or less, preferably more than 0 mol%, based on all the structural units of the polymer contained in all polymer components.
The curable composition used in the present invention may further contain a polymer other than these. Unless otherwise stated, component A in the present invention means those including other polymers added as needed in addition to the above (1) and / or (2).
なお、「(メタ)アクリル酸及び/又はそのエステルに由来する構成単位」を「アクリル系構成単位」ともいう。また、「(メタ)アクリル酸」は、「メタクリル酸及び/又はアクリル酸」を意味するものとする。 Component A is preferably an addition polymerization type resin, and more preferably a polymer containing a structural unit derived from (meth) acrylic acid and / or an ester thereof. In addition, you may have structural units other than the structural unit derived from (meth) acrylic acid and / or its ester, for example, the structural unit derived from styrene, the structural unit derived from a vinyl compound, etc.
The “structural unit derived from (meth) acrylic acid and / or its ester” is also referred to as “acrylic structural unit”. Further, “(meth) acrylic acid” means “methacrylic acid and / or acrylic acid”.
成分Aは、(a1)酸基が酸分解性基で保護された基を有する構成単位を少なくとも有する重合体1を含む。成分Aが構成単位(a1)を有する重合体を含むことにより、極めて高感度な化学増幅型の硬化性組成物とすることができる。
本発明における「酸基が酸分解性基で保護された基」は、酸基及び酸分解性基として公知のものを使用でき、特に限定されない。具体的な酸基としては、カルボキシル基、及び、フェノール性水酸基が好ましく挙げられる。また、酸分解性基としては、酸により比較的分解し易い基(例えば、後述する式(a1-10)で表される基のエステル構造、テトラヒドロピラニルエステル基、又は、テトラヒドロフラニルエステル基等のアセタール系官能基)や酸により比較的分解し難い基(例えば、tert-ブチルエステル基等の第三級アルキル基、tert-ブチルカーボネート基等の第三級アルキルカーボネート基)を用いることができる。 <Structural unit (a1)>
Component A includes (a1)
As the “group in which the acid group is protected with an acid-decomposable group” in the present invention, those known as an acid group and an acid-decomposable group can be used, and are not particularly limited. Specific examples of the acid group preferably include a carboxyl group and a phenolic hydroxyl group. Examples of the acid-decomposable group include groups that are relatively easily decomposed by an acid (for example, an ester structure of a group represented by the formula (a1-10) described later, a tetrahydropyranyl ester group, or a tetrahydrofuranyl ester group). An acetal functional group) or a group that is relatively difficult to decompose with an acid (for example, a tertiary alkyl group such as a tert-butyl ester group or a tertiary alkyl carbonate group such as a tert-butyl carbonate group) can be used.
以下、酸分解性基で保護された保護カルボキシル基を有する構成単位(a1-1)と、酸分解性基で保護された保護フェノール性水酸基を有する構成単位(a1-2)について、順にそれぞれ説明する。 (A1) A structural unit having a group in which an acid group is protected with an acid-decomposable group is a structural unit having a protected carboxyl group in which a carboxyl group is protected with an acid-decomposable group (“protection protected with an acid-decomposable group” A structural unit having a protected phenolic hydroxyl group in which a phenolic hydroxyl group is protected with an acid-decomposable group (having a protected phenolic hydroxyl group protected with an acid-decomposable group). It is also preferably referred to as a “structural unit”.
Hereinafter, the structural unit (a1-1) having a protected carboxyl group protected with an acid-decomposable group and the structural unit (a1-2) having a protected phenolic hydroxyl group protected with an acid-decomposable group will be described in order. To do.
上記酸分解性基で保護された保護カルボキシル基を有する構成単位(a1-1)は、カルボキシル基を有する構成単位のカルボキシル基が、以下で詳細に説明する酸分解性基によって保護された保護カルボキシル基を有する構成単位である。
上記酸分解性基で保護された保護カルボキシル基を有する構成単位(a1-1)に用いることができる上記カルボキシル基を有する構成単位としては、特に制限はなく公知の構成単位を用いることができる。例えば、不飽和モノカルボン酸、不飽和ジカルボン酸、不飽和トリカルボン酸などの、分子中に少なくとも1個のカルボキシル基を有する不飽和カルボン酸等に由来する構成単位(a1-1-1)や、エチレン性不飽和基と酸無水物由来の構造とを共に有する構成単位(a1-1-2)が挙げられる。
以下、上記カルボキシル基を有する構成単位として用いられる(a1-1-1)分子中に少なくとも1個のカルボキシル基を有する不飽和カルボン酸等に由来する構成単位と、(a1-1-2)エチレン性不飽和基と酸無水物由来の構造とを共に有する構成単位について、それぞれ順に説明する。 <(A1-1) Structural unit having a protected carboxyl group protected with an acid-decomposable group>
The structural unit (a1-1) having a protected carboxyl group protected with an acid-decomposable group is a protected carboxyl in which the carboxyl group of the structural unit having a carboxyl group is protected by an acid-decomposable group described in detail below. A structural unit having a group.
The structural unit having a carboxyl group that can be used for the structural unit (a1-1) having a protected carboxyl group protected by the acid-decomposable group is not particularly limited, and a known structural unit can be used. For example, a structural unit (a1-1-1) derived from an unsaturated carboxylic acid having at least one carboxyl group in the molecule, such as an unsaturated monocarboxylic acid, an unsaturated dicarboxylic acid, or an unsaturated tricarboxylic acid, And a structural unit (a1-1-2) having both an ethylenically unsaturated group and a structure derived from an acid anhydride.
Hereinafter, (a1-1-1) used as a structural unit having a carboxyl group, a structural unit derived from an unsaturated carboxylic acid having at least one carboxyl group in the molecule, and (a1-1-2) ethylene The structural units having both the unsaturated group and the structure derived from the acid anhydride will be described in order.
上記分子中に少なくとも1個のカルボキシル基を有する不飽和カルボン酸等に由来する構成単位(a1-1-1)として本発明で用いられる不飽和カルボン酸としては以下に挙げるようなものが用いられる。すなわち、不飽和モノカルボン酸としては、例えば、アクリル酸、メタクリル酸、クロトン酸、α-クロロアクリル酸、けい皮酸、2-(メタ)アクリロイロキシエチルコハク酸、2-(メタ)アクリロイロキシエチルヘキサヒドロフタル酸、2-(メタ)アクリロイロキシエチルフタル酸などが挙げられる。また、不飽和ジカルボン酸としては、例えば、マレイン酸、フマル酸、イタコン酸、シトラコン酸、メサコン酸などが挙げられる。また、カルボキシル基を有する構成単位を得るために用いられる不飽和多価カルボン酸は、その酸無水物であってもよい。具体的には、無水マレイン酸、無水イタコン酸、無水シトラコン酸などが挙げられる。また、不飽和多価カルボン酸は、多価カルボン酸のモノ(2-メタクリロイロキシアルキル)エステルであってもよく、例えば、コハク酸モノ(2-アクリロイロキシエチル)、コハク酸モノ(2-メタクリロイロキシエチル)、フタル酸モノ(2-アクリロイロキシエチル)、フタル酸モノ(2-メタクリロイロキシエチル)などが挙げられる。さらに、不飽和多価カルボン酸は、その両末端ジカルボキシポリマーのモノ(メタ)アクリレートであってもよく、例えば、ω-カルボキシポリカプロラクトンモノアクリレート、ω-カルボキシポリカプロラクトンモノメタクリレートなどが挙げられる。また、不飽和カルボン酸としては、アクリル酸-2-カルボキシエチルエステル、メタクリル酸-2-カルボキシエチルエステル、マレイン酸モノアルキルエステル、フマル酸モノアルキルエステル、4-カルボキシスチレン等も用いることができる。
中でも、現像性の観点から、上記分子中に少なくとも1個のカルボキシル基を有する不飽和カルボン酸等に由来する構成単位(a1-1-1)を形成するためには、アクリル酸、メタクリル酸、2-(メタ)アクリロイロキシエチルコハク酸、2-(メタ)アクリロイロキシエチルヘキサヒドロフタル酸、2-(メタ)アクリロイロキシエチルフタル酸、又は、不飽和多価カルボン酸の無水物等を用いることが好ましく、アクリル酸、メタクリル酸、2-(メタ)アクリロイロキシエチルヘキサヒドロフタル酸、を用いることがより好ましい。
上記分子中に少なくとも1個のカルボキシル基を有する不飽和カルボン酸等に由来する構成単位(a1-1-1)は、1種単独で構成されていてもよいし、2種以上で構成されていてもよい。 <(A1-1-1) A structural unit derived from an unsaturated carboxylic acid having at least one carboxyl group in the molecule>
Examples of the unsaturated carboxylic acid used in the present invention as the structural unit (a1-1-1) derived from an unsaturated carboxylic acid having at least one carboxyl group in the molecule include those listed below. . That is, examples of the unsaturated monocarboxylic acid include acrylic acid, methacrylic acid, crotonic acid, α-chloroacrylic acid, cinnamic acid, 2- (meth) acryloyloxyethyl succinic acid, and 2- (meth) acryloyl. Examples include loxyethyl hexahydrophthalic acid and 2- (meth) acryloyloxyethyl phthalic acid. Examples of the unsaturated dicarboxylic acid include maleic acid, fumaric acid, itaconic acid, citraconic acid, and mesaconic acid. Moreover, the acid anhydride may be sufficient as unsaturated polyhydric carboxylic acid used in order to obtain the structural unit which has a carboxyl group. Specific examples include maleic anhydride, itaconic anhydride, citraconic anhydride, and the like. Further, the unsaturated polyvalent carboxylic acid may be a mono (2-methacryloyloxyalkyl) ester of a polyvalent carboxylic acid, such as succinic acid mono (2-acryloyloxyethyl), succinic acid mono (2 -Methacryloyloxyethyl), mono (2-acryloyloxyethyl) phthalate, mono (2-methacryloyloxyethyl) phthalate and the like. Further, the unsaturated polyvalent carboxylic acid may be a mono (meth) acrylate of a dicarboxy polymer at both terminals, and examples thereof include ω-carboxypolycaprolactone monoacrylate and ω-carboxypolycaprolactone monomethacrylate. As the unsaturated carboxylic acid, acrylic acid-2-carboxyethyl ester, methacrylic acid-2-carboxyethyl ester, maleic acid monoalkyl ester, fumaric acid monoalkyl ester, 4-carboxystyrene and the like can also be used.
Among them, from the viewpoint of developability, in order to form the structural unit (a1-1-1) derived from an unsaturated carboxylic acid having at least one carboxyl group in the molecule, acrylic acid, methacrylic acid, 2- (meth) acryloyloxyethyl succinic acid, 2- (meth) acryloyloxyethyl hexahydrophthalic acid, 2- (meth) acryloyloxyethyl phthalic acid, anhydride of unsaturated polyvalent carboxylic acid, etc. It is preferable to use acrylic acid, methacrylic acid, and 2- (meth) acryloyloxyethyl hexahydrophthalic acid.
The structural unit (a1-1-1) derived from an unsaturated carboxylic acid or the like having at least one carboxyl group in the molecule may be composed of one kind alone or two or more kinds. May be.
エチレン性不飽和基と酸無水物由来の構造とを共に有する構成単位(a1-1-2)は、エチレン性不飽和基を有する構成単位中に存在する水酸基と酸無水物とを反応させて得られたモノマーに由来する単位であることが好ましい。
上記酸無水物としては、公知のものが使用でき、具体的には、無水マレイン酸、無水コハク酸、無水イタコン酸、無水フタル酸、テトラヒドロ無水フタル酸、ヘキサヒドロ無水フタル酸、無水クロレンド酸等の二塩基酸無水物;無水トリメリット酸、無水ピロメリット酸、ベンゾフェノンテトラカルボン酸無水物、ビフェニルテトラカルボン酸無水物などの酸無水物が挙げられる。これらの中では、現像性の観点から、無水フタル酸、テトラヒドロ無水フタル酸、又は、無水コハク酸が好ましい。
上記酸無水物の水酸基に対する反応率は、現像性の観点から、好ましくは10~100モル%、より好ましくは30~100モル%である。 <(A1-1-2) Structural unit having both an ethylenically unsaturated group and a structure derived from an acid anhydride>
The structural unit (a1-1-2) having both an ethylenically unsaturated group and a structure derived from an acid anhydride is obtained by reacting a hydroxyl group present in the structural unit having an ethylenically unsaturated group with an acid anhydride. A unit derived from the obtained monomer is preferred.
As the acid anhydride, known ones can be used, and specifically, maleic anhydride, succinic anhydride, itaconic anhydride, phthalic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, chlorendic anhydride, etc. Dibasic acid anhydrides; acid anhydrides such as trimellitic anhydride, pyromellitic anhydride, benzophenonetetracarboxylic anhydride, biphenyltetracarboxylic anhydride, and the like. Among these, phthalic anhydride, tetrahydrophthalic anhydride, or succinic anhydride is preferable from the viewpoint of developability.
The reaction rate of the acid anhydride with respect to the hydroxyl group is preferably 10 to 100 mol%, more preferably 30 to 100 mol% from the viewpoint of developability.
上記酸分解性基で保護された保護カルボキシル基を有する構成単位(a1-1)に用いることができる上記酸分解性基としては上述の酸分解性基を用いることができる。
これらの酸分解性基の中でもカルボキシル基がアセタールの形で保護された保護カルボキシル基であることが、感光性樹脂組成物の基本物性、特に感度やパターン形状、コンタクトホールの形成性、感光性樹脂組成物の保存安定性の観点から好ましい。さらに酸分解性基の中でもカルボキシル基が下記式(a1-10)で表されるアセタールの形で保護された保護カルボキシル基であることが、感度の観点からより好ましい。なお、カルボキシル基が下記式(a1-10)で表されるアセタールの形で保護された保護カルボキシル基である場合、保護カルボキシル基の全体としては、-(C=O)-O-CR101R102(OR103)の構造となっている。 -Acid-decomposable group that can be used for the structural unit (a1-1)-
As the acid-decomposable group that can be used for the structural unit (a1-1) having a protected carboxyl group protected by the acid-decomposable group, the above-mentioned acid-decomposable groups can be used.
Among these acid-decomposable groups, it is a protected carboxyl group in which the carboxyl group is protected in the form of an acetal. Basic properties of the photosensitive resin composition, in particular, sensitivity and pattern shape, contact hole formation, photosensitive resin It is preferable from the viewpoint of the storage stability of the composition. Furthermore, among the acid-decomposable groups, the carboxyl group is more preferably a protected carboxyl group protected in the form of an acetal represented by the following formula (a1-10) from the viewpoint of sensitivity. When the carboxyl group is a protected carboxyl group protected in the form of an acetal represented by the following formula (a1-10), the entire protected carboxyl group is — (C═O) —O—CR 101 R The structure is 102 (OR 103 ).
上記直鎖状又は分岐鎖状のアルキル基としては、炭素数1~12であることが好ましく、炭素数1~6であることがより好ましく、炭素数1~4であることが更に好ましい。具体的には、メチル基、エチル基、n-プロピル基、i-プロピル基、n-ブチル基、i-ブチル基、sec-ブチル基、tert-ブチル基、n-ペンチル基、ネオペンチル基、n-ヘキシル基、テキシル基(2,3-ジメチル-2-ブチル基)、n-ヘプチル基、n-オクチル基、2-エチルヘキシル基、n-ノニル基、n-デシル基等を挙げることができる。 In the above formula (a1-10), when R 101 , R 102 and R 103 represent an alkyl group, the alkyl group may be linear, branched or cyclic.
The linear or branched alkyl group preferably has 1 to 12 carbon atoms, more preferably 1 to 6 carbon atoms, and still more preferably 1 to 4 carbon atoms. Specifically, methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, i-butyl group, sec-butyl group, tert-butyl group, n-pentyl group, neopentyl group, n Examples include -hexyl group, texyl group (2,3-dimethyl-2-butyl group), n-heptyl group, n-octyl group, 2-ethylhexyl group, n-nonyl group, n-decyl group and the like.
上記ハロゲン原子としては、フッ素原子、塩素原子、臭素原子、ヨウ素原子が例示され、これらの中でも、フッ素原子又は塩素原子が好ましい。
また、上記アリール基としては、炭素数6~20のアリール基が好ましく、炭素数6~12のアリール基がより好ましい。具体的には、フェニル基、α-メチルフェニル基、ナフチル基等が例示でき、アリール基で置換されたアルキル基全体、すなわち、アラルキル基としては、ベンジル基、α-メチルベンジル基、フェネチル基、ナフチルメチル基等が例示できる。
上記アルコキシ基としては、炭素数1~6のアルコキシ基が好ましく、炭素数1~4のアルコキシ基がより好ましく、メトキシ基又はエトキシ基が更に好ましい。
また、上記アルキル基がシクロアルキル基である場合、上記シクロアルキル基は置換基として炭素数1~10の直鎖状又は分岐鎖状のアルキル基を有していてもよく、アルキル基が直鎖状又は分岐鎖状のアルキル基である場合には、置換基として炭素数3~12のシクロアルキル基を有していてもよい。
これらの置換基は、上記置換基で更に置換されていてもよい。 The alkyl group may have a substituent, and examples of the substituent include a halogen atom, an aryl group, and an alkoxy group. When it has a halogen atom as a substituent, R 101 , R 102 and R 103 become a haloalkyl group, and when it has an aryl group as a substituent, R 101 , R 102 and R 103 become an aralkyl group.
Examples of the halogen atom include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom, and among these, a fluorine atom or a chlorine atom is preferable.
The aryl group is preferably an aryl group having 6 to 20 carbon atoms, and more preferably an aryl group having 6 to 12 carbon atoms. Specific examples include a phenyl group, an α-methylphenyl group, a naphthyl group, and the like, and examples of the entire alkyl group substituted with an aryl group, that is, an aralkyl group include a benzyl group, an α-methylbenzyl group, a phenethyl group, A naphthylmethyl group etc. can be illustrated.
The alkoxy group is preferably an alkoxy group having 1 to 6 carbon atoms, more preferably an alkoxy group having 1 to 4 carbon atoms, and still more preferably a methoxy group or an ethoxy group.
Further, when the alkyl group is a cycloalkyl group, the cycloalkyl group may have a linear or branched alkyl group having 1 to 10 carbon atoms as a substituent, and the alkyl group is a linear chain. Or a branched alkyl group, it may have a cycloalkyl group having 3 to 12 carbon atoms as a substituent.
These substituents may be further substituted with the above substituents.
R3は、アルキル基又はアリール基を表し、炭素数1~10のアルキル基が好ましく、1~6のアルキル基がより好ましい。
Xは、単結合又はアリーレン基を表し、単結合が好ましい。 When R 1 and R 2 are alkyl groups, alkyl groups having 1 to 10 carbon atoms are preferred. When R 1 and R 2 are aryl groups, a phenyl group is preferred. R 1 and R 2 are preferably each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
R 3 represents an alkyl group or an aryl group, preferably an alkyl group having 1 to 10 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms.
X represents a single bond or an arylene group, and a single bond is preferable.
L1はカルボニル基が好ましい。
R122~R128は、水素原子が好ましい。 R 121 is preferably a hydrogen atom or a methyl group.
L 1 is preferably a carbonyl group.
R 122 to R 128 are preferably hydrogen atoms.
上記酸分解性基で保護された保護フェノール性水酸基を有する構成単位(a1-2)は、フェノール性水酸基を有する構成単位が、以下で詳細に説明する酸分解性基によって保護された保護フェノール性水酸基を有する構成単位である。 <(A1-2) Structural unit having a protected phenolic hydroxyl group protected with an acid-decomposable group>
The structural unit (a1-2) having a protected phenolic hydroxyl group protected with an acid-decomposable group is a protected phenolic group in which the structural unit having a phenolic hydroxyl group is protected by an acid-decomposable group described in detail below. A structural unit having a hydroxyl group.
上記フェノール性水酸基を有する構成単位としては、ヒドロキシスチレン系構成単位やノボラック系の樹脂における構成単位が挙げられるが、これらの中では、ヒドロキシスチレン又はα-メチルヒドロキシスチレンに由来する構成単位が、感度の観点から好ましい。また、フェノール性水酸基を有する構成単位として、下記式(a1-20)で表される構成単位も、感度の観点から好ましい。 <(A1-2-1) Structural unit having phenolic hydroxyl group>
Examples of the structural unit having a phenolic hydroxyl group include a hydroxystyrene-based structural unit and a structural unit in a novolac-based resin. Among these, a structural unit derived from hydroxystyrene or α-methylhydroxystyrene is sensitive. From the viewpoint of In addition, as a structural unit having a phenolic hydroxyl group, a structural unit represented by the following formula (a1-20) is also preferable from the viewpoint of sensitivity.
また、R221は単結合又は2価の連結基を表す。単結合である場合には、感度を向上させることができ、更に硬化膜の透明性を向上させることができるので好ましい。R221の2価の連結基としてはアルキレン基が例示でき、R221がアルキレン基である具体例としては、メチレン基、エチレン基、プロピレン基、イソプロピレン基、n-ブチレン基、イソブチレン基、tert-ブチレン基、ペンチレン基、イソペンチレン基、ネオペンチレン基、ヘキシレン基等が挙げられる。中でも、R221が単結合、メチレン基、又は、エチレン基であることが好ましい。また、上記2価の連結基は、置換基を有していてもよく、置換基としては、ハロゲン原子、水酸基、アルコキシ基等が挙げられる。また、aは1~5の整数を表すが、本発明の効果の観点や、製造が容易であるという点から、aは1又は2であることが好ましく、aが1であることがより好ましい。
また、ベンゼン環における水酸基の結合位置は、R221と結合している炭素原子を基準(1位)としたとき、4位に結合していることが好ましい。
R222はそれぞれ独立に、ハロゲン原子又は炭素数1~5の直鎖若しくは分岐鎖状のアルキル基を表す。具体的には、フッ素原子、塩素原子、臭素原子、メチル基、エチル基、プロピル基、イソプロピル基、n-ブチル基、イソブチル基、tert-ブチル基、ペンチル基、イソペンチル基、ネオペンチル基等が挙げられる。中でも製造が容易であるという点から、塩素原子、臭素原子、メチル基又はエチル基であることが好ましい。
また、bは0又は1~4の整数を表す。 In the above formula (a1-20), R 220 represents a hydrogen atom or a methyl group, and is preferably a methyl group.
R 221 represents a single bond or a divalent linking group. A single bond is preferable because the sensitivity can be improved and the transparency of the cured film can be further improved. As the divalent linking group for R 221 may be exemplified alkylene groups, specific examples R 221 is an alkylene group, a methylene group, an ethylene group, a propylene group, isopropylene group, n- butylene group, isobutylene group, tert -Butylene group, pentylene group, isopentylene group, neopentylene group, hexylene group and the like. Among these, R 221 is preferably a single bond, a methylene group, or an ethylene group. The divalent linking group may have a substituent, and examples of the substituent include a halogen atom, a hydroxyl group, and an alkoxy group. A represents an integer of 1 to 5, but a is preferably 1 or 2 and more preferably 1 from the viewpoint of the effects of the present invention and the ease of production. .
Further, the bonding position of the hydroxyl group in the benzene ring is preferably bonded to the 4-position when the carbon atom bonded to R 221 is defined as the reference (first position).
R 222 each independently represents a halogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms. Specifically, fluorine atom, chlorine atom, bromine atom, methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl group, tert-butyl group, pentyl group, isopentyl group, neopentyl group, etc. It is done. Among these, a chlorine atom, a bromine atom, a methyl group, or an ethyl group is preferable from the viewpoint of easy production.
B represents 0 or an integer of 1 to 4;
上記酸分解性基で保護された保護フェノール性水酸基を有する構成単位(a1-2)に用いることができる上記酸分解性基としては、上記酸分解性基で保護された保護カルボキシル基を有する構成単位(a1-1)に用いることができる上記酸分解性基と同様に、公知のものを使用でき、特に限定されない。酸分解性基の中でもアセタールで保護された保護フェノール性水酸基を有する構成単位であることが、硬化性組成物の基本物性、特に感度やパターン形状、硬化性組成物の保存安定性、コンタクトホールの形成性の観点から好ましい。さらに、酸分解性基の中でもフェノール性水酸基が上記式(a1-10)で表されるアセタールの形で保護された保護フェノール性水酸基であることが、感度の観点からより好ましい。なお、フェノール性水酸基が上記式(a1-10)で表されるアセタールの形で保護された保護フェノール性水酸基である場合、保護フェノール性水酸基の全体としては、-Ar-O-CR101R102(OR103)の構造となっている。なお、Arはアリーレン基を表す。 -Acid-decomposable group that can be used for the structural unit (a1-2)-
The acid-decomposable group that can be used in the structural unit (a1-2) having a protected phenolic hydroxyl group protected by the acid-decomposable group includes a structure having a protected carboxyl group protected by the acid-decomposable group Similar to the acid-decomposable group that can be used for the unit (a1-1), known ones can be used and are not particularly limited. Among the acid-decomposable groups, the structural unit having a protected phenolic hydroxyl group protected with acetal is a basic physical property of the curable composition, particularly sensitivity and pattern shape, storage stability of the curable composition, contact hole It is preferable from the viewpoint of formability. Furthermore, among the acid-decomposable groups, the phenolic hydroxyl group is more preferably a protected phenolic hydroxyl group protected in the form of an acetal represented by the above formula (a1-10) from the viewpoint of sensitivity. When the phenolic hydroxyl group is a protected phenolic hydroxyl group protected in the form of an acetal represented by the above formula (a1-10), the entire protected phenolic hydroxyl group is —Ar—O—CR 101 R 102. The structure is (OR 103 ). Ar represents an arylene group.
これらの中で、4-ヒドロキシフェニルメタクリレートの1-アルコキシアルキル保護体、4-ヒドロキシフェニルメタクリレートのテトラヒドロピラニル保護体が透明性の観点から好ましい。 Examples of the radical polymerizable monomer used to form a structural unit having a protected phenolic hydroxyl group in which the phenolic hydroxyl group is protected in the form of an acetal include, for example, paragraph 0042 of JP2011-215590A And the like.
Among these, a 1-alkoxyalkyl protector of 4-hydroxyphenyl methacrylate and a tetrahydropyranyl protector of 4-hydroxyphenyl methacrylate are preferable from the viewpoint of transparency.
上記構成単位(a1)を有する重合体が、実質的に、構成単位(a2)を有しない場合、構成単位(a1)は、該構成単位(a1)を有する重合体中、20~100モル%が好ましく、30~90モル%がより好ましい。
上記構成単位(a1)を有する重合体が、下記構成単位(a2)を有する場合、構成単位(a1)は、該構成単位(a1)と構成単位(a2)とを有する重合体中、感度の観点から3~70モル%が好ましく、10~60モル%がより好ましい。また、特に上記構成単位(a1)が、カルボキシル基がアセタールの形で保護された保護カルボキシル基を有する構成単位である場合、20~50モル%が好ましい。
なお、本発明において、「構成単位」の含有量をモル比で規定する場合、当該「構成単位」は「モノマー単位」と同義であるものとする。また、本発明において当該「モノマー単位」は、高分子反応等により重合後に修飾されていてもよい。以下においても同様である。 -Preferred embodiment of the structural unit (a1)-
When the polymer having the structural unit (a1) does not substantially have the structural unit (a2), the structural unit (a1) is 20 to 100 mol% in the polymer having the structural unit (a1). It is preferably 30 to 90 mol%.
When the polymer having the structural unit (a1) has the following structural unit (a2), the structural unit (a1) has a sensitivity in the polymer having the structural unit (a1) and the structural unit (a2). From the viewpoint, it is preferably 3 to 70 mol%, more preferably 10 to 60 mol%. In particular, when the structural unit (a1) is a structural unit having a protected carboxyl group in which the carboxyl group is protected in the form of an acetal, 20 to 50 mol% is preferable.
In the present invention, when the content of the “structural unit” is defined in terms of molar ratio, the “structural unit” is synonymous with the “monomer unit”. In the present invention, the “monomer unit” may be modified after polymerization by a polymer reaction or the like. The same applies to the following.
成分A中の重合体1は、架橋性基を有する構成単位(a2)を有する重合体であってもよい。上記架橋性基は、加熱処理で硬化反応を起こす基であれば特に限定はされない。好ましい架橋性基を有する構成単位の態様としては、エポキシ基、オキセタニル基、-NH-CH2-O-R(Rは水素原子又は炭素数1~20のアルキル基を表す。)で表される基及びエチレン性不飽和基よりなる群から選ばれた少なくとも1つを含む構成単位が挙げられ、エポキシ基、及び、オキセタニル基よりなる群から選ばれた少なくとも1種であることが好ましい。その中でも、本発明で使用される硬化性組成物は、上記重合体1が、エポキシ基を含む構成単位を含むことがより好ましい。より詳細には、以下のものが挙げられる。 <(A2) Structural unit having a crosslinkable group>
The
成分Aは、エポキシ基及び/又はオキセタニル基を有する構成単位(構成単位(a2-1))を有する重合体を含有することが好ましい。上記3員環の環状エーテル基はエポキシ基とも呼ばれ、4員環の環状エーテル基はオキセタニル基とも呼ばれる。
上記エポキシ基及び/又はオキセタニル基を有する構成単位(a2-1)は、1つの構成単位中にエポキシ基又はオキセタニル基を少なくとも1つ有していればよく、1つ以上のエポキシ基及び1つ以上オキセタニル基、2つ以上のエポキシ基、又は、2つ以上のオキセタニル基を有していてもよく、特に限定されないが、エポキシ基及び/又はオキセタニル基を合計1~3つ有することが好ましく、エポキシ基及び/又はオキセタニル基を合計1又は2つ有することがより好ましく、エポキシ基又はオキセタニル基を1つ有することが更に好ましい。 <(A2-1) Structural Unit Having Epoxy Group and / or Oxetanyl Group>
Component A preferably contains a polymer having a structural unit (structural unit (a2-1)) having an epoxy group and / or an oxetanyl group. The 3-membered cyclic ether group is also called an epoxy group, and the 4-membered cyclic ether group is also called an oxetanyl group.
The structural unit (a2-1) having an epoxy group and / or oxetanyl group may have at least one epoxy group or oxetanyl group in one structural unit, one or more epoxy groups and one It may have an oxetanyl group, two or more epoxy groups, or two or more oxetanyl groups, and is not particularly limited, but preferably has a total of 1 to 3 epoxy groups and / or oxetanyl groups, It is more preferable to have one or two epoxy groups and / or oxetanyl groups in total, and it is even more preferable to have one epoxy group or oxetanyl group.
オキセタニル基を有する構成単位を形成するために用いられるラジカル重合性単量体の具体例としては、例えば、特開2001-330953号公報の段落0011~0016に記載のオキセタニル基を有する(メタ)アクリル酸エステルなどが挙げられる。
上記エポキシ基及び/又はオキセタニル基を有する構成単位(a2-1)を形成するために用いられるラジカル重合性単量体の具体例としては、メタクリル酸エステル構造を含有するモノマー、アクリル酸エステル構造を含有するモノマーであることが好ましい。 Specific examples of the radical polymerizable monomer used for forming the structural unit having an epoxy group include, for example, glycidyl acrylate, glycidyl methacrylate, glycidyl α-ethyl acrylate, and glycidyl α-n-propyl acrylate. Glycidyl α-n-butyl acrylate, 3,4-epoxybutyl acrylate, 3,4-epoxybutyl methacrylate, 3,4-epoxycyclohexylmethyl acrylate, 3,4-epoxycyclohexyl methacrylate Methyl, α-ethylacrylic acid-3,4-epoxycyclohexylmethyl, o-vinylbenzyl glycidyl ether, m-vinylbenzyl glycidyl ether, p-vinylbenzyl glycidyl ether, described in paragraphs 0031 to 0035 of Japanese Patent No. 4168443 Alicyclic epoch Compounds containing shea skeleton, and the like.
Specific examples of the radical polymerizable monomer used for forming the structural unit having an oxetanyl group include, for example, a (meth) acryl having an oxetanyl group described in paragraphs 0011 to 0016 of JP-A No. 2001-330953. Examples include acid esters.
Specific examples of the radical polymerizable monomer used for forming the structural unit (a2-1) having the epoxy group and / or oxetanyl group include a monomer having a methacrylic ester structure and an acrylic ester structure. It is preferable that it is a monomer to contain.
上記架橋性基を有する構成単位(a2)の1つとして、エチレン性不飽和基を有する構成単位(a2-2)が挙げられる(以下、「構成単位(a2-2)」ともいう。)。上記エチレン性不飽和基を有する構成単位(a2-2)としては、側鎖にエチレン性不飽和基を有する構成単位が好ましく、末端にエチレン性不飽和基を有し、炭素数3~16の側鎖を有する構成単位がより好ましく、下記式(a2-2-1)で表される側鎖を有する構成単位が更に好ましい。 <(A2-2) Structural unit having an ethylenically unsaturated group>
One example of the structural unit (a2) having a crosslinkable group is a structural unit (a2-2) having an ethylenically unsaturated group (hereinafter also referred to as “structural unit (a2-2)”). The structural unit (a2-2) having an ethylenically unsaturated group is preferably a structural unit having an ethylenically unsaturated group in the side chain, having an ethylenically unsaturated group at the terminal, and having 3 to 16 carbon atoms. A structural unit having a side chain is more preferred, and a structural unit having a side chain represented by the following formula (a2-2-1) is more preferred.
本発明で用いる共重合体は、-NH-CH2-O-R(Rは水素原子又は炭素数1~20のアルキル基を表す。)で表される基を有する構成単位(a2-3)も好ましい。構成単位(a2-3)を有することで、緩やかな加熱処理で硬化反応を起こすことができ、諸特性に優れた硬化膜を得ることができる。ここで、Rは炭素数1~20のアルキル基が好ましく、炭素数1~9のアルキル基がより好ましく、炭素数1~4のアルキル基が更に好ましい。また、アルキル基は、直鎖、分岐又は環状のアルキル基のいずれであってもよいが、直鎖又は分岐のアルキル基であることが好ましい。構成単位(a2)は、下記式(a2-30)で表される基を有する構成単位であることがより好ましい。 <A structural unit having a group represented by (a2-3)-NH—CH 2 —O—R (R represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms)>
The copolymer used in the present invention is a structural unit (a2-3) having a group represented by —NH—CH 2 —O—R (R represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms). Is also preferable. By having the structural unit (a2-3), a curing reaction can be caused by a mild heat treatment, and a cured film having excellent characteristics can be obtained. Here, R is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 9 carbon atoms, and still more preferably an alkyl group having 1 to 4 carbon atoms. The alkyl group may be a linear, branched or cyclic alkyl group, but is preferably a linear or branched alkyl group. The structural unit (a2) is more preferably a structural unit having a group represented by the following formula (a2-30).
R32の具体例としては、メチル基、エチル基、n-ブチル基、i-ブチル基、シクロヘキシル基、及び、n-ヘキシル基を挙げることができる。中でも、i-ブチル基、n-ブチル基、メチル基が好ましい。 R 32 is preferably an alkyl group having 1 to 9 carbon atoms, and more preferably an alkyl group having 1 to 4 carbon atoms. The alkyl group may be a linear, branched or cyclic alkyl group, but is preferably a linear or branched alkyl group.
Specific examples of R 32 include a methyl group, an ethyl group, an n-butyl group, an i-butyl group, a cyclohexyl group, and an n-hexyl group. Of these, i-butyl group, n-butyl group and methyl group are preferable.
成分Aとして、上記の架橋性基を含む構成単位(a2)は、全重合体成分中に含まれないか、全重合体成分中の全構成単位に対して5モル%以下の、好ましくは0モル%を超える割合でしか含まれない。
上記の数値の範囲内であると、特定の剥離液組成物との組み合わせにより、エッチングレジスト残渣の発生が抑制される。 -Preferred embodiment of the structural unit (a2)-
As component A, the structural unit (a2) containing a crosslinkable group is not contained in all polymer components or is 5 mol% or less, preferably 0, based on all structural units in all polymer components. Only included in proportions exceeding mol%.
Generation of an etching resist residue is suppressed by the combination with a specific stripping solution composition within the above numerical range.
本発明において、成分A中の重合体1は、上記構成単位(a1)及び/又は(a2)に加えて、これら以外の他の構成単位(a3)を有していてもよい。これらの構成単位は、上記重合体成分(1)及び/又は(2)が含んでいてもよい。また、上記重合体成分(1)又は(2)とは別に、実質的に構成単位(a1)及び構成単位(a2)を含まずに他の構成単位(a3)を有する重合体成分を有していてもよい。 <(A3) Other structural units>
In the present invention, the
本発明で用いられる酸基としては、カルボン酸基、スルホンアミド基、ホスホン酸基、スルホン酸基、フェノール性水酸基、スルホンアミド基、スルホニルイミド基、並びに、これらの酸基の酸無水物基、及び、これらの酸基を中和し塩構造とした基等が例示され、カルボン酸基及び/又はフェノール性水酸基を少なくとも有することが好ましい。上記塩としては、特に制限はないが、アルカリ金属塩、アルカリ土類金属塩、及び、有機アンモニウム塩が好ましく例示できる。
本発明で用いられる酸基を有する構成単位は、スチレン化合物に由来する構成単位や、ビニル化合物に由来する構成単位、(メタ)アクリル酸及び/又はそのエステルに由来する構成単位であることがより好ましい。
本発明では、特に、カルボキシル基を有する構成単位、又は、フェノール性水酸基を有する構成単位を含有することが、感度の観点で好ましい。 The polymer contained in Component A preferably has a structural unit having an acid group as the other structural unit (a3). When the polymer has an acid group, the polymer easily dissolves in an alkaline developer, and the effects of the present invention are more effectively exhibited. The acid group in the present invention means a proton dissociable group having a pKa of less than 10.5. The acid group is usually incorporated into the polymer as a structural unit having an acid group using a monomer capable of forming an acid group. By including such a structural unit having an acid group in the polymer, the polymer tends to be easily dissolved in an alkaline developer.
Examples of the acid group used in the present invention include a carboxylic acid group, a sulfonamide group, a phosphonic acid group, a sulfonic acid group, a phenolic hydroxyl group, a sulfonamide group, a sulfonylimide group, and acid anhydride groups of these acid groups, And the group etc. which neutralized these acid groups and made it into salt structure are illustrated, and it is preferable to have at least a carboxylic acid group and / or a phenolic hydroxyl group. Although there is no restriction | limiting in particular as said salt, An alkali metal salt, alkaline-earth metal salt, and organic ammonium salt can illustrate preferably.
The structural unit having an acid group used in the present invention is more preferably a structural unit derived from a styrene compound, a structural unit derived from a vinyl compound, (meth) acrylic acid and / or an ester thereof. preferable.
In the present invention, it is particularly preferable from the viewpoint of sensitivity to contain a structural unit having a carboxyl group or a structural unit having a phenolic hydroxyl group.
このような重合体としては、側鎖にカルボキシル基を有する樹脂が好ましい。例えば、特開昭59-44615号、特公昭54-34327号、特公昭58-12577号、特公昭54-25957号、特開昭59-53836号、特開昭59-71048号の各公報に記載されているような、メタクリル酸共重合体、アクリル酸共重合体、イタコン酸共重合体、クロトン酸共重合体、マレイン酸共重合体、部分エステル化マレイン酸共重合体等、並びに側鎖にカルボキシル基を有する酸性セルロース誘導体、水酸基を有するポリマーに酸無水物を付加させたもの等が挙げられ、更に側鎖に(メタ)アクリロイル基を有する高分子重合体も好ましいものとして挙げられる。 In the present invention, apart from the
As such a polymer, a resin having a carboxyl group in the side chain is preferable. For example, JP-A-59-44615, JP-B-54-34327, JP-B-58-12777, JP-B-54-25957, JP-A-59-53836, JP-A-59-71048 As described, methacrylic acid copolymer, acrylic acid copolymer, itaconic acid copolymer, crotonic acid copolymer, maleic acid copolymer, partially esterified maleic acid copolymer, etc., and side chain Examples thereof include acidic cellulose derivatives having a carboxyl group, those obtained by adding an acid anhydride to a polymer having a hydroxyl group, and high molecular polymers having a (meth) acryloyl group in the side chain.
その他にも、特開平7-207211号公報、特開平8-259876号公報、特開平10-300922号公報、特開平11-140144号公報、特開平11-174224号公報、特開2000-56118号公報、特開2003-233179号公報、特開2009-52020号公報等に記載の公知の高分子化合物を使用することができる。
これらの重合体は、1種類のみ含んでいてもよいし、2種類以上含んでいてもよい。 For example, benzyl (meth) acrylate / (meth) acrylic acid copolymer, 2-hydroxyethyl (meth) acrylate / benzyl (meth) acrylate / (meth) acrylic acid copolymer, described in JP-A-7-140654 2-hydroxypropyl (meth) acrylate / polystyrene macromonomer / benzyl methacrylate / methacrylic acid copolymer, 2-hydroxy-3-phenoxypropyl acrylate / polymethyl methacrylate macromonomer / benzyl methacrylate / methacrylic acid copolymer, 2 -Hydroxyethyl methacrylate / polystyrene macromonomer / methyl methacrylate / methacrylic acid copolymer, 2-hydroxyethyl methacrylate / polystyrene macromonomer / benzyl methacrylate / methacrylic acid Copolymer and the like.
In addition, JP-A-7-207211, JP-A-8-259876, JP-A-10-300922, JP-A-11-140144, JP-A-11-174224, JP-A-2000-56118 Known polymer compounds described in JP-A-2003-233179, JP-A-2009-52020, and the like can be used.
These polymers may contain only 1 type and may contain 2 or more types.
成分Aにおける重合体1の分子量は、ポリスチレン換算重量平均分子量で、1,000~200,000であることが好ましく、2,000~50,000であることがより好ましい。上記の数値範囲内であると、諸特性が良好である。数平均分子量Mnと重量平均分子量Mwとの比(分散度、Mw/Mn)は1.0~5.0が好ましく、1.5~3.5がより好ましい。 -Molecular weight of
The molecular weight of the
また、成分Aにおける重合体1の合成法についても、様々な方法が知られているが、一例を挙げると、少なくとも上記構成単位(a1)及び上記構成単位(a3)を形成するために用いられるラジカル重合性単量体を含むラジカル重合性単量体混合物を有機溶剤中、ラジカル重合開始剤を用いて重合することにより合成することができる。また、いわゆる高分子反応で合成することもできる。 -Production Method of
Various methods for synthesizing the
本発明で使用される硬化性組成物は、(成分B)光酸発生剤を含有する。
本発明で使用される光酸発生剤としては、波長300nm以上、好ましくは波長300~450nmの活性光線に感応し、酸を発生する化合物が好ましいが、その化学構造に制限されるものではない。また、波長300nm以上の活性光線に直接感応しない光酸発生剤についても、増感剤と併用することによって波長300nm以上の活性光線に感応し、酸を発生する化合物であれば、増感剤と組み合わせて好ましく用いることができる。本発明で使用される光酸発生剤としては、pKaが4以下の酸を発生する光酸発生剤が好ましく、pKaが3以下の酸を発生する光酸発生剤がより好ましく、pKaが2以下の酸を発生する光酸発生剤が最も好ましい。 (Component B: Photoacid generator)
The curable composition used in the present invention contains (Component B) a photoacid generator.
The photoacid generator used in the present invention is preferably a compound that reacts with actinic rays having a wavelength of 300 nm or more, preferably 300 to 450 nm, and generates an acid, but is not limited to its chemical structure. Further, a photoacid generator that is not directly sensitive to an actinic ray having a wavelength of 300 nm or more can also be used as a sensitizer if it is a compound that reacts with an actinic ray having a wavelength of 300 nm or more and generates an acid when used in combination with the sensitizer It can be preferably used in combination. The photoacid generator used in the present invention is preferably a photoacid generator that generates an acid having a pKa of 4 or less, more preferably a photoacid generator that generates an acid having a pKa of 3 or less, and a pKa of 2 or less. Most preferred is a photoacid generator that generates an acid.
R21のアルキル基としては、炭素数1~10の、直鎖状又は分岐状アルキル基が好ましい。R21のアルキル基は、炭素数6~11のアリール基、炭素数1~10のアルコキシ基、又は、シクロアルキル基(7,7-ジメチル-2-オキソノルボルニル基などの有橋式脂環基を含む、好ましくはビシクロアルキル基等)で置換されてもよい。
R21のアリール基としては、炭素数6~11のアリール基が好ましく、フェニル基又はナフチル基がより好ましい。R21のアリール基は、炭素数1~10のアルキル基、炭素数1~10のアルコキシ基又はハロゲン原子で置換されてもよい。 Any group may be substituted, and the alkyl group in R 21 may be linear, branched or cyclic. Acceptable substituents are described below.
The alkyl group for R 21 is preferably a linear or branched alkyl group having 1 to 10 carbon atoms. The alkyl group represented by R 21 is an aryl group having 6 to 11 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or a cycloalkyl group (7,7-dimethyl-2-oxonorbornyl group or the like). It may be substituted with a cyclic group, preferably a bicycloalkyl group or the like.
As the aryl group for R 21, an aryl group having 6 to 11 carbon atoms is preferable, and a phenyl group or a naphthyl group is more preferable. The aryl group of R 21 may be substituted with an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or a halogen atom.
Xとしてのアルコキシ基は、炭素数1~4の直鎖状又は分岐状アルコキシ基が好ましい。
Xとしてのハロゲン原子は、塩素原子又はフッ素原子が好ましい。
m4は、0又は1が好ましい。上記式(E2)中、m4が1であり、Xがメチル基であり、Xの置換位置がオルト位であり、R42が炭素数1~10の直鎖状アルキル基、7,7-ジメチル-2-オキソノルボルニルメチル基、又は、p-トルイル基である化合物が特に好ましい。 The alkyl group as X is preferably a linear or branched alkyl group having 1 to 4 carbon atoms.
The alkoxy group as X is preferably a linear or branched alkoxy group having 1 to 4 carbon atoms.
The halogen atom as X is preferably a chlorine atom or a fluorine atom.
m4 is preferably 0 or 1. In the above formula (E2), m4 is 1, X is a methyl group, the substitution position of X is the ortho position, R 42 is a linear alkyl group having 1 to 10 carbon atoms, 7,7-dimethyl A compound having a -2-oxonorbornylmethyl group or a p-toluyl group is particularly preferable.
X1としては、炭素数1~5のアルコキシ基が好ましく、メトキシ基がより好ましい。
n4としては、0~2の整数が好ましく、0又は1が特に好ましい。 R 43 in the above formula (B3) is methyl group, ethyl group, n-propyl group, n-butyl group, n-octyl group, trifluoromethyl group, pentafluoroethyl group, perfluoro-n-propyl group, A perfluoro-n-butyl group, a p-tolyl group, a 4-chlorophenyl group or a pentafluorophenyl group is preferred, and an n-octyl group is particularly preferred.
X 1 is preferably an alkoxy group having 1 to 5 carbon atoms, and more preferably a methoxy group.
n4 is preferably an integer of 0 to 2, particularly preferably 0 or 1.
X101は-O-、-S-、-NH-、-NR105-、-CH2-、-CR106H-、又は、-CR105R107-を表し、R105~R107はアルキル基、又は、アリール基を表す。
R121~R124はそれぞれ独立に、水素原子、ハロゲン原子、アルキル基、アルケニル基、アルコキシ基、アミノ基、アルコキシカルボニル基、アルキルカルボニル基、アリールカルボニル基、アミド基、スルホ基、シアノ基、又は、アリール基を表す。R121~R124のうち2つは、それぞれ互いに結合して環を形成してもよい。
R121~R124としてはそれぞれ独立に、水素原子、ハロゲン原子、又は、アルキル基が好ましく、また、R121~R124のうち少なくとも2つが互いに結合してアリール基を形成する態様もまた、好ましく挙げられる。中でも、R121~R124がいずれも水素原子である態様が感度の観点から好ましい。
既述の官能基は、いずれも、更に置換基を有していてもよい。 In the above formula (OS-1), R 101 represents a hydrogen atom, alkyl group, alkenyl group, alkoxy group, alkoxycarbonyl group, acyl group, carbamoyl group, sulfamoyl group, sulfo group, cyano group, aryl group, or hetero Represents an aryl group. R102 represents an alkyl group or an aryl group.
X 101 represents —O—, —S—, —NH—, —NR 105 —, —CH 2 —, —CR 106 H—, or —CR 105 R 107 —, wherein R 105 to R 107 are alkyl groups. Or an aryl group.
R 121 to R 124 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group, an amino group, an alkoxycarbonyl group, an alkylcarbonyl group, an arylcarbonyl group, an amide group, a sulfo group, a cyano group, or Represents an aryl group. Two of R 121 to R 124 may be bonded to each other to form a ring.
R 121 to R 124 are each independently preferably a hydrogen atom, a halogen atom or an alkyl group, and an embodiment in which at least two of R 121 to R 124 are bonded to each other to form an aryl group is also preferable. Can be mentioned. Among these, an embodiment in which R 121 to R 124 are all hydrogen atoms is preferable from the viewpoint of sensitivity.
Any of the aforementioned functional groups may further have a substituent.
これらの中でも、上記式(OS-1)及び上記式(OS-2)におけるR101がシアノ基、又は、アリール基である態様がより好ましく、上記式(OS-2)で表され、R101がシアノ基、フェニル基又はナフチル基である態様が最も好ましい。 In the above formula (OS-2), R 101 , R 102 and R 121 to R 124 have the same meanings as those in the formula (OS-1), and preferred examples thereof are also the same.
Among these, an embodiment in which R 101 in the above formula (OS-1) and the above formula (OS-2) is a cyano group or an aryl group is more preferable, represented by the above formula (OS-2), wherein R 101 The embodiment in which is a cyano group, a phenyl group or a naphthyl group is most preferred.
上記式(OS-3)~(OS-5)中、R22、R25及びR28におけるアルキル基としては、置換基を有していてもよい総炭素数1~30のアルキル基であることが好ましい。
また、上記式(OS-3)~(OS-5)中、R22、R25及びR28におけるアリール基としては、置換基を有してもよい総炭素数6~30のアリール基が好ましい。
また、上記式(OS-3)~(OS-5)中、R22、R25及びR28におけるヘテロアリール基としては、置換基を有してもよい総炭素数4~30のヘテロアリール基が好ましい。
上記式(OS-3)~(OS-5)中、R22、R25及びR28におけるヘテロアリール基は、少なくとも1つの環が複素芳香環であればよく、例えば、複素芳香環とベンゼン環とが縮環していてもよい。 In the above formulas (OS-3) to (OS-5), the alkyl group, aryl group or heteroaryl group in R 22 , R 25 and R 28 may have a substituent.
In the above formulas (OS-3) to (OS-5), the alkyl group in R 22 , R 25 and R 28 is an alkyl group having 1 to 30 carbon atoms which may have a substituent. Is preferred.
In the above formulas (OS-3) to (OS-5), the aryl group in R 22 , R 25 and R 28 is preferably an aryl group having 6 to 30 carbon atoms which may have a substituent. .
In the above formulas (OS-3) to (OS-5), the heteroaryl group in R 22 , R 25 and R 28 is a heteroaryl group having a total of 4 to 30 carbon atoms which may have a substituent. Is preferred.
In the above formulas (OS-3) to (OS-5), at least one of the heteroaryl groups in R 22 , R 25 and R 28 may be a heteroaromatic ring, such as a heteroaromatic ring and a benzene ring. And may be condensed.
上記式(OS-3)~(OS-5)中、化合物中に2以上存在するR23、R26及びR29のうち、1つ又は2つがアルキル基、アリール基又はハロゲン原子であることが好ましく、1つがアルキル基、アリール基又はハロゲン原子であることがより好ましく、1つがアルキル基であり、かつ残りが水素原子であることが特に好ましい。 In the above formulas (OS-3) to (OS-5), R 23 , R 26 and R 29 are preferably a hydrogen atom, an alkyl group or an aryl group, and more preferably a hydrogen atom or an alkyl group. .
In the above formulas (OS-3) to (OS-5), one or two of R 23 , R 26 and R 29 present in the compound may be an alkyl group, an aryl group or a halogen atom. More preferably, one is an alkyl group, an aryl group or a halogen atom, more preferably one is an alkyl group and the rest is a hydrogen atom.
上記式(OS-3)~(OS-5)において、X1~X3を環員として含む環は、5員環又は6員環である。
上記式(OS-3)~(OS-5)中、n1~n3はそれぞれ独立に、1又は2を表し、X1~X3がOである場合、n1~n3はそれぞれ独立に、1であることが好ましく、また、X1~X3がSである場合、n1~n3はそれぞれ独立に、2であることが好ましい。 In the above formulas (OS-3) to (OS-5), X 1 to X 3 each independently represents O or S, and is preferably O.
In the above formulas (OS-3) to (OS-5), the ring containing X 1 to X 3 as a ring member is a 5-membered ring or a 6-membered ring.
In the formulas (OS-3) to (OS-5), n 1 to n 3 each independently represents 1 or 2, and when X 1 to X 3 are O, n 1 to n 3 are each independently In addition, it is preferably 1, and when X 1 to X 3 are S, n 1 to n 3 are each independently preferably 2.
R24、R27及びR30におけるアルキル基、アルキルオキシ基、スルホン酸基、アミノスルホニル基及びアルコキシスルホニル基は、置換基を有していてもよい。
上記式(OS-3)~(OS-5)中、R24、R27及びR30におけるアルキル基としては、置換基を有していてもよい総炭素数1~30のアルキル基であることが好ましい。
上記式(OS-3)~(OS-5)中、R24、R27及びR30におけるアルキルオキシ基としては、置換基を有してもよい総炭素数1~30のアルキルオキシ基であることが好ましい。 In the above formulas (OS-3) to (OS-5), R 24 , R 27 and R 30 each independently represent a halogen atom, alkyl group, alkyloxy group, sulfonic acid group, aminosulfonyl group or alkoxysulfonyl group. To express. Among them, R 24 , R 27 and R 30 are preferably each independently an alkyl group or an alkyloxy group.
The alkyl group, alkyloxy group, sulfonic acid group, aminosulfonyl group and alkoxysulfonyl group in R 24 , R 27 and R 30 may have a substituent.
In the above formulas (OS-3) to (OS-5), the alkyl group in R 24 , R 27 and R 30 is an alkyl group having 1 to 30 carbon atoms which may have a substituent. Is preferred.
In the above formulas (OS-3) to (OS-5), the alkyloxy group in R 24 , R 27 and R 30 is an alkyloxy group having 1 to 30 carbon atoms which may have a substituent. It is preferable.
また、上記式(OS-3)~(OS-5)のそれぞれの置換基について、特開2011-221494号公報の段落0092~0109に記載の(OS-3)~(OS-5)の置換基の好ましい範囲も同様に好ましい。 In the above formulas (OS-3) to (OS-5), m 1 to m 3 each independently represents an integer of 0 to 6, preferably an integer of 0 to 2, preferably 0 or 1. More preferably, it is particularly preferably 0.
In addition, for each substituent of the above formulas (OS-3) to (OS-5), the substitution of (OS-3) to (OS-5) described in paragraphs 0092 to 0109 of JP2011-221494A The preferred range of groups is likewise preferred.
また、成分Bは、1種単独で使用してもよいし、2種以上を併用することもできる。 In the curable composition used in the present invention, (Component B) the photoacid generator is preferably used in an amount of 0.1 to 10 parts by mass with respect to 100 parts by mass of the total organic solid content in the curable composition. More preferably, 0.5 to 5 parts by mass are used.
Moreover, the component B may be used individually by 1 type, and can also use 2 or more types together.
本発明で使用する硬化性組成物には、光酸発生剤の他に、増感剤を加えることもできる。
増感剤は、活性光線又は放射線を吸収して励起状態となる。励起状態となった増感剤は、成分Cとの相互作用により、電子移動、エネルギー移動、発熱などの作用が生じ、酸発生を開始・促進できる。
本発明において用いることができる典型的な増感剤としては、クリベロ〔J. V. Crivello, Adv. in Polymer Sci., 62, 1 (1984)〕に開示しているものが挙げられ、具体的には、ピレン、ペリレン、アクリジンオレンジ、チオキサントン、2-クロロチオキサントン、ベンゾフラビン、N-ビニルカルバゾール、9,10-ジブトキシアントラセン、アントラキノン、クマリン、ケトクマリン、フェナントレン、カンファーキノン、フェノチアジン誘導体などを挙げることができる。増感剤は、光酸発生剤に対し、50~200質量%の割合で添加することが好ましい。 <Sensitizer>
In addition to the photoacid generator, a sensitizer can be added to the curable composition used in the present invention.
The sensitizer absorbs actinic rays or radiation and enters an excited state. The sensitizer in the excited state is capable of initiating / promoting acid generation due to interaction with the component C such as electron transfer, energy transfer, and heat generation.
Typical sensitizers that can be used in the present invention include those disclosed in Crivello [JV Crivello, Adv. In Polymer Sci., 62, 1 (1984)]. Examples include pyrene, perylene, acridine orange, thioxanthone, 2-chlorothioxanthone, benzoflavine, N-vinylcarbazole, 9,10-dibutoxyanthracene, anthraquinone, coumarin, ketocoumarin, phenanthrene, camphorquinone, and phenothiazine derivatives. The sensitizer is preferably added in a proportion of 50 to 200% by mass with respect to the photoacid generator.
本発明に使用する硬化性組成物は、成分Cとして、分子量1,000以下、好ましくは100以上、より好ましくは140以上、の低分子架橋剤を含む。架橋剤を添加することにより、本発明において使用する硬化性組成物により得られる有機膜の剥離液耐性を向上させることができる。
架橋剤としては、熱によって架橋反応が起こるものであれば制限なく使用できる(ただし、成分Aは除かれる。)。例えば、以下に述べる分子内に2個以上のエポキシ基又はオキセタニル基を有する化合物、ブロックイソシアネート化合物(保護されたイソシナト基を有する化合物)、アルコキシメチル基含有化合物、又は、少なくとも1個のエチレン性不飽和二重結合(エチレン性不飽和基)を有する化合物等が例示でき、これらのいずれか1種以上の架橋剤を添加することが好ましい。 (Component C: Crosslinker having a molecular weight of 1,000 or less)
The curable composition used in the present invention contains, as Component C, a low molecular crosslinking agent having a molecular weight of 1,000 or less, preferably 100 or more, more preferably 140 or more. By adding a crosslinking agent, it is possible to improve the resistance of the organic film obtained from the curable composition used in the present invention.
Any crosslinking agent can be used without limitation as long as it causes a crosslinking reaction by heat (however, component A is excluded). For example, a compound having two or more epoxy groups or oxetanyl groups in the molecule described below, a blocked isocyanate compound (a compound having a protected isosinato group), an alkoxymethyl group-containing compound, or at least one ethylenic group. Examples thereof include compounds having a saturated double bond (ethylenically unsaturated group), and it is preferable to add any one or more of these crosslinking agents.
以下に、本発明において好ましく使用される上記の架橋剤について説明する。 In the present invention, the crosslinking agent is at least one selected from the group consisting of a compound having two or more epoxy groups or oxetanyl groups in the molecule, a blocked isocyanate compound, and an alkoxymethyl group-containing crosslinking agent. Is preferred.
Hereinafter, the above-mentioned crosslinking agent preferably used in the present invention will be described.
架橋剤として、多官能の小員環環状エーテル化合物が挙げられる。すなわち、1分子内に、エポキシ基及び/又はオキセタニル基を2個以上有する化合物であることを意味する。この化合物の分子量は、分子量1,000以下であり、好ましくは100以上、より好ましくは140以上、である。この低分子の架橋剤に、分子量1,000以上5,000未満のオリゴマー、又は、分子量が5,000以上の高分子の架橋剤を少量併用してもよい。 <Compound having two or more epoxy groups or oxetanyl groups in the molecule>
Examples of the crosslinking agent include polyfunctional small ring cyclic ether compounds. That is, it means a compound having two or more epoxy groups and / or oxetanyl groups in one molecule. The molecular weight of this compound is 1,000 or less, preferably 100 or more, more preferably 140 or more. A small amount of an oligomer having a molecular weight of 1,000 or more and less than 5,000 or a polymer crosslinking agent having a molecular weight of 5,000 or more may be used in combination with this low-molecular crosslinking agent.
これらは市販品として入手できる。例えば、デナコールEX-611、EX-612、EX-614、EX-614B、EX-622、EX-512、EX-521、EX-411、EX-421、EX-313、EX-314、EX-321、EX-211、EX-212、EX-810、EX-811、EX-850、EX-851、EX-821、EX-830、EX-832、EX-841、EX-911、EX-941、EX-920、EX-931、EX-212L、EX-214L、EX-216L、EX-321L、EX-850L、DLC-201、DLC-203、DLC-204、DLC-205、DLC-206、DLC-301、DLC-402(以上ナガセケムテック製)、セロキサイド2021P、2081、3000、EHPE3150、エポリードGT400、セルビナースB0134、B0177((株)ダイセル)、などが挙げられる。
これらは1種単独又は2種以上を組み合わせて使用することができる。 Specific examples of the compound having two or more epoxy groups in the molecule include aliphatic epoxy compounds.
These are available as commercial products. For example, Denacol EX-611, EX-612, EX-614, EX-614B, EX-622, EX-512, EX-521, EX-411, EX-421, EX-313, EX-314, EX-321 , EX-211, EX-212, EX-810, EX-811, EX-850, EX-851, EX-821, EX-830, EX-832, EX-841, EX-911, EX-941, EX -920, EX-931, EX-212L, EX-214L, EX-216L, EX-321L, EX-850L, DLC-201, DLC-203, DLC-204, DLC-205, DLC-206, DLC-301 DLC-402 (manufactured by Nagase Chemtech), Celoxide 2021P, 2081, 3000, EHPE3150, D Lead GT400, Serubinasu B0134, B0177 ((Ltd.) Daicel), and the like.
These can be used alone or in combination of two or more.
本発明において、硬化性組成物では、架橋剤として、ブロックイソシアネート系化合物も好ましく採用できる。ブロックイソシアネート化合物は、イソシアネート基が化学的に保護されたブロックイソシアネート基を有する化合物であれば特に制限はないが、硬化性の観点から、1分子内に2以上のブロックイソシアネート基を有する化合物であることが好ましい。ブロックイソシアネート化合物もその分子量が、1,000以下であり、好ましくは100以上、より好ましくは140以上、である化合物を架橋剤として使用する。
なお、本発明におけるブロックイソシアネート基とは、熱によりイソシアネート基を生成することが可能な基であり、例えば、ブロック剤とイソシアネート基とを反応させイソシアネート基を保護した基が好ましく例示できる。また、上記ブロックイソシアネート基は、90℃~250℃の熱によりイソシアネート基を生成することが可能な基であることが好ましい。
また、ブロックイソシアネート化合物としては、その骨格は特に限定されるものではなく、1分子中にイソシアネート基を2個有するものであればどのようなものでもよく、脂肪族、脂環族又は芳香族のポリイソシアネートであってよいが、例えば2,4-トリレンジイソシアネート、2,6-トリレンジイソシアネート、イソホロンジイソシアネート、1,6-ヘキサメチレンジイソシアネート、1,3-トリメチレンジイソシアネート、1,4-テトラメチレンジイソシアネート、2,2,4-トリメチルヘキサメチレンジイソシアネート、2,4,4-トリメチルヘキサメチレンジイソシアネート、1,9-ノナメチレンジイソシアネート、1,10-デカメチレンジイソシアネート、1,4-シクロヘキサンジイソシアネート、2,2’-ジエチルエーテルジイソシアネート、ジフェニルメタン-4,4’-ジイソシアネート、o-キシレンジイソシアネート、m-キシレンジイソシアネート、p-キシレンジイソシアネート、メチレンビス(シクロヘキシルイソシアネート)、シクロヘキサン-1,3-ジメチレンジイソシアネート、シクロヘキサン-1,4-ジメチレレンジイソシアネート、1,5-ナフタレンジイソシアネート、p-フェニレンジイソシアネート、3,3’-メチレンジトリレン-4,4’-ジイソシアネート、4,4’-ジフェニルエーテルジイソシアネート、テトラクロロフェニレンジイソシアネート、ノルボルナンジイソシアネート、水素化1,3-キシリレンジイソシアネート、水素化1,4-キシリレンジイソシアネート等のイソシアネート化合物及びこれらの化合物から派生するプレポリマー型の骨格の化合物を好適に用いることができる。これらの中でも、トリレンジイソシアネート(TDI)やジフェニルメタンジイソシアネート(MDI)、ヘキサメチレンジイソシアネート(HDI)、イソホロンジイソシアネート(IPDI)が特に好ましい。 <Block isocyanate compound>
In the present invention, in the curable composition, a blocked isocyanate compound can also be preferably employed as a crosslinking agent. The blocked isocyanate compound is not particularly limited as long as the isocyanate group has a chemically protected blocked isocyanate group, but is a compound having two or more blocked isocyanate groups in one molecule from the viewpoint of curability. It is preferable. A blocked isocyanate compound having a molecular weight of 1,000 or less, preferably 100 or more, more preferably 140 or more is used as a crosslinking agent.
In addition, the blocked isocyanate group in this invention is a group which can produce | generate an isocyanate group with a heat | fever, For example, the group which reacted the blocking agent and the isocyanate group and protected the isocyanate group can illustrate preferably. The blocked isocyanate group is preferably a group capable of generating an isocyanate group by heat at 90 ° C. to 250 ° C.
Further, the skeleton of the blocked isocyanate compound is not particularly limited and may be any as long as it has two isocyanate groups in one molecule, and may be aliphatic, alicyclic or aromatic. Polyisocyanates may be used, for example, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, isophorone diisocyanate, 1,6-hexamethylene diisocyanate, 1,3-trimethylene diisocyanate, 1,4-tetramethylene Diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate, 1,9-nonamethylene diisocyanate, 1,10-decamethylene diisocyanate, 1,4-cyclohexane diisocyanate, 2, '-Diethyl ether diisocyanate, diphenylmethane-4,4'-diisocyanate, o-xylene diisocyanate, m-xylene diisocyanate, p-xylene diisocyanate, methylene bis (cyclohexyl isocyanate), cyclohexane-1,3-dimethylene diisocyanate, cyclohexane-1, 4-dimethylene diisocyanate, 1,5-naphthalene diisocyanate, p-phenylene diisocyanate, 3,3′-methylene ditolylene-4,4′-diisocyanate, 4,4′-diphenyl ether diisocyanate, tetrachlorophenylene diisocyanate, norbornane diisocyanate, Isocyanate compounds such as hydrogenated 1,3-xylylene diisocyanate and hydrogenated 1,4-xylylene diisocyanate And prepolymer-type skeleton compounds derived from these compounds can be suitably used. Among these, tolylene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate (HDI), and isophorone diisocyanate (IPDI) are particularly preferable.
上記ブロックイソシアネート化合物のブロック構造を形成するブロック剤としては、オキシム化合物、ラクタム化合物、フェノール化合物、アルコール化合物、アミン化合物、活性メチレン化合物、ピラゾール化合物、メルカプタン化合物、イミダゾール系化合物、イミド系化合物等を挙げることができる。これらの中でも、オキシム化合物、ラクタム化合物、フェノール化合物、アルコール化合物、アミン化合物、活性メチレン化合物、ピラゾール化合物から選ばれるブロック剤が特に好ましい。 Examples of the matrix structure of the blocked isocyanate compound in the curable composition used in the present invention include biuret type, isocyanurate type, adduct type, and bifunctional prepolymer type.
Examples of the blocking agent that forms the block structure of the blocked isocyanate compound include oxime compounds, lactam compounds, phenol compounds, alcohol compounds, amine compounds, active methylene compounds, pyrazole compounds, mercaptan compounds, imidazole compounds, and imide compounds. be able to. Among these, a blocking agent selected from oxime compounds, lactam compounds, phenol compounds, alcohol compounds, amine compounds, active methylene compounds, and pyrazole compounds is particularly preferable.
上記ラクタム化合物としてはε-カプロラクタム、γ-ブチロラクタム等が例示できる。
上記フェノール化合物としては、フェノール、ナフトール、クレゾール、キシレノール、ハロゲン置換フェノール等が例示できる。
上記アルコール化合物としては、メタノール、エタノール、プロパノール、ブタノール、シクロヘキサノール、エチレングリコールモノアルキルエーテル、プロピレングリコールモノアルキルエーテル、乳酸アルキル等が例示できる。
上記アミン化合物としては、1級アミン及び2級アミンが挙げられ、芳香族アミン、脂肪族アミン、脂環族アミンいずれでもよく、アニリン、ジフェニルアミン、エチレンイミン、ポリエチレンイミン等が例示できる。
上記活性メチレン化合物としては、マロン酸ジエチル、マロン酸ジメチル、アセト酢酸エチル、アセト酢酸メチル等が例示できる。上記ピラゾール化合物としては、ピラゾール、メチルピラゾール、ジメチルピラゾール等が例示できる。
上記メルカプタン化合物としては、アルキルメルカプタン、アリールメルカプタン等が例示できる。 Examples of the oxime compound include oxime and ketoxime, and specific examples include acetoxime, formaldoxime, cyclohexane oxime, methyl ethyl ketone oxime, cyclohexanone oxime, and benzophenone oxime.
Examples of the lactam compound include ε-caprolactam and γ-butyrolactam.
Examples of the phenol compound include phenol, naphthol, cresol, xylenol, and halogen-substituted phenol.
Examples of the alcohol compound include methanol, ethanol, propanol, butanol, cyclohexanol, ethylene glycol monoalkyl ether, propylene glycol monoalkyl ether, and alkyl lactate.
As said amine compound, a primary amine and a secondary amine are mentioned, Any of an aromatic amine, an aliphatic amine, and an alicyclic amine may be sufficient, An aniline, diphenylamine, ethyleneimine, polyethyleneimine etc. can be illustrated.
Examples of the active methylene compound include diethyl malonate, dimethyl malonate, ethyl acetoacetate, methyl acetoacetate and the like. Examples of the pyrazole compound include pyrazole, methylpyrazole, dimethylpyrazole and the like.
Examples of the mercaptan compound include alkyl mercaptans and aryl mercaptans.
アルコキシメチル基含有化合物としては、アルコキシメチル化メラミン、アルコキシメチル化ベンゾグアナミン、アルコキシメチル化グリコールウリル及びアルコキシメチル化尿素等が好ましい。これらは、それぞれメチロール化メラミン、メチロール化ベンゾグアナミン、メチロール化グリコールウリル、又は、メチロール化尿素のメチロール基をアルコキシメチル基に変換することにより得られる。このアルコキシメチル基の種類については特に限定されるものではなく、例えば、メトキシメチル基、エトキシメチル基、プロポキシメチル基、ブトキシメチル基等を挙げることができるが、アウトガスの発生量の観点から、メトキシメチル基が特に好ましい。
これらの化合物のうち、アルコキシメチル化メラミン、アルコキシメチル化ベンゾグアナミン、アルコキシメチル化グリコールウリルが好ましい化合物として挙げられ、透明性の観点から、アルコキシメチル化グリコールウリルが特に好ましい。
アルコキシメチル基含有架橋剤もその分子量が、1,000以下であり、好ましくは100以上、より好ましくは140以上、である化合物を硬化性組成物に使用する。
これらアルコキシメチル基含有化合物は、市販品として入手可能であり、例えば、サイメル300、301、303、370、325、327、701、266、267、238、1141、272、202、1156、1158、1123、1170、1174、UFR65、300(以上、三井サイアナミッド(株)製)、ニカラックMX-750、-032、-706、-708、-40、-31、-270、-280、-290、ニカラックMS-11、ニカラックMW-30HM、-100LM、-390、(以上、(株)三和ケミカル製)などを好ましく使用することができる。 <Alkoxymethyl group-containing crosslinking agent>
As the alkoxymethyl group-containing compound, alkoxymethylated melamine, alkoxymethylated benzoguanamine, alkoxymethylated glycoluril, alkoxymethylated urea and the like are preferable. These can be obtained by converting the methylol group of methylolated melamine, methylolated benzoguanamine, methylolated glycoluril, or methylolated urea to an alkoxymethyl group, respectively. The type of the alkoxymethyl group is not particularly limited, and examples thereof include a methoxymethyl group, an ethoxymethyl group, a propoxymethyl group, and a butoxymethyl group. From the viewpoint of outgas generation amount, A methyl group is particularly preferred.
Among these compounds, alkoxymethylated melamine, alkoxymethylated benzoguanamine, and alkoxymethylated glycoluril are preferable compounds, and alkoxymethylated glycoluril is particularly preferable from the viewpoint of transparency.
The alkoxymethyl group-containing crosslinking agent also has a molecular weight of 1,000 or less, preferably 100 or more, more preferably 140 or more, in the curable composition.
These alkoxymethyl group-containing compounds are available as commercial products. For example, Cymel 300, 301, 303, 370, 325, 327, 701, 266, 267, 238, 1141, 272, 202, 1156, 1158, 1123 1170, 1174, UFR65, 300 (manufactured by Mitsui Cyanamid Co., Ltd.), Nicarax MX-750, -032, -706, -708, -40, -31, -270, -280, -290, Nicarak MS -11, Nicalac MW-30HM, -100LM, -390 (manufactured by Sanwa Chemical Co., Ltd.) and the like can be preferably used.
本発明で使用する組成aを有する硬化性組成物は、成分Dとして、有機溶剤を含有する。組成aを有する硬化性組成物は、必須成分である成分A、成分B、及び、成分Cと、後述の任意成分とを、これらが溶解する有機溶剤を使用して、これらの成分が溶解した溶液として調製することが好ましい。
成分Dとしては、公知の有機溶剤を用いることができ、エチレングリコールモノアルキルエーテル類、エチレングリコールジアルキルエーテル類、エチレングリコールモノアルキルエーテルアセテート類、プロピレングリコールモノアルキルエーテル類、プロピレングリコールジアルキルエーテル類、プロピレングリコールモノアルキルエーテルアセテート類、ジエチレングリコールジアルキルエーテル類、ジエチレングリコールモノアルキルエーテルアセテート類、ジプロピレングリコールモノアルキルエーテル類、ブチレングリコールジアセテート類、ジプロピレングリコールジアルキルエーテル類、ジプロピレングリコールモノアルキルエーテルアセテート類、アルコール類、エステル類、ケトン類、アミド類、ラクトン類等が例示できる。これらの有機溶剤の具体例としては、特開2009-098616号公報の段落0062を参照できる。 (Component D: Organic solvent)
The curable composition having the composition a used in the present invention contains an organic solvent as the component D. In the curable composition having the composition a, the components A, B and C, which are essential components, and the optional components described below were dissolved in an organic solvent in which these components were dissolved. It is preferable to prepare it as a solution.
As the component D, known organic solvents can be used. Ethylene glycol monoalkyl ethers, ethylene glycol dialkyl ethers, ethylene glycol monoalkyl ether acetates, propylene glycol monoalkyl ethers, propylene glycol dialkyl ethers, propylene Glycol monoalkyl ether acetates, diethylene glycol dialkyl ethers, diethylene glycol monoalkyl ether acetates, dipropylene glycol monoalkyl ethers, butylene glycol diacetates, dipropylene glycol dialkyl ethers, dipropylene glycol monoalkyl ether acetates, alcohol Examples are esters, esters, ketones, amides, lactones, etc. That. As specific examples of these organic solvents, reference can be made to paragraph 0062 of JP-A-2009-098616.
本発明に用いることができる溶剤は、1種単独、又は、2種以上を併用することができる。沸点の異なる溶剤を併用することも好ましい。
本発明で使用する硬化性組成物における溶剤の含有量は、塗布に適した粘度に調整するという観点から、感光性組成物の全固形分100質量部あたり、100~3,000質量部であることが好ましく、200~2,000質量部であることがより好ましく、250~1,000質量部であることが更に好ましい。
硬化性組成物の固形分濃度としては、3~50質量%が好ましく、20~40質量%であることがより好ましい。 The boiling point of the organic solvent is preferably 100 ° C. to 300 ° C., more preferably 120 ° C. to 250 ° C. from the viewpoint of applicability.
The solvent which can be used for this invention can be used individually by 1 type or in combination of 2 or more types. It is also preferred to use solvents having different boiling points in combination.
The content of the solvent in the curable composition used in the present invention is 100 to 3,000 parts by mass per 100 parts by mass of the total solid content of the photosensitive composition from the viewpoint of adjusting the viscosity to be suitable for coating. It is preferably 200 to 2,000 parts by mass, more preferably 250 to 1,000 parts by mass.
The solid content concentration of the curable composition is preferably 3 to 50% by mass, and more preferably 20 to 40% by mass.
本発明に使用する硬化性組成物は、塩基性化合物を含有してもよい。
塩基性化合物としては、化学増幅硬化性組成物で用いられるものの中から任意に選択して使用することができる。例えば、脂肪族アミン、芳香族アミン、複素環式アミン、第四級アンモニウムヒドロキシド、カルボン酸の第四級アンモニウム塩等が挙げられる。これらの具体例としては、特開2011-221494号公報の段落0204~0207に記載の化合物が挙げられる。 (Basic compound)
The curable composition used in the present invention may contain a basic compound.
The basic compound can be arbitrarily selected from those used in the chemically amplified curable composition. Examples include aliphatic amines, aromatic amines, heterocyclic amines, quaternary ammonium hydroxides, quaternary ammonium salts of carboxylic acids, and the like. Specific examples thereof include compounds described in paragraphs 0204 to 0207 of JP2011-221494A.
芳香族アミンとしては、例えば、アニリン、ベンジルアミン、N,N-ジメチルアニリン、ジフェニルアミンなどが挙げられる。
複素環式アミンとしては、例えば、ピリジン、2-メチルピリジン、4-メチルピリジン、2-エチルピリジン、4-エチルピリジン、2-フェニルピリジン、4-フェニルピリジン、N-メチル-4-フェニルピリジン、4-ジメチルアミノピリジン、イミダゾール、ベンズイミダゾール、4-メチルイミダゾール、2-フェニルベンズイミダゾール、2,4,5-トリフェニルイミダゾール、ニコチン、ニコチン酸、ニコチン酸アミド、キノリン、8-オキシキノリン、ピラジン、ピラゾール、ピリダジン、プリン、ピロリジン、ピペリジン、ピペラジン、モルホリン、4-メチルモルホリン、N-シクロヘキシル-N’-[2-(4-モルホリニル)エチル]チオ尿素、1,5-ジアザビシクロ[4.3.0]-5-ノネン、1,8-ジアザビシクロ[5.3.0]-7-ウンデセン、ブタン-1,2,3,4-テトラカルボン酸テトラキス(1,2,2,6,6-ペンタメチル-4-ピペリジニル)などが挙げられる。
第四級アンモニウムヒドロキシドとしては、例えば、テトラメチルアンモニウムヒドロキシド、テトラエチルアンモニウムヒドロキシド、テトラ-n-ブチルアンモニウムヒドロキシド、テトラ-n-ヘキシルアンモニウムヒドロキシドなどが挙げられる。
カルボン酸の第四級アンモニウム塩としては、例えば、テトラメチルアンモニウムアセテート、テトラメチルアンモニウムベンゾエート、テトラ-n-ブチルアンモニウムアセテート、テトラ-n-ブチルアンモニウムベンゾエートなどが挙げられる。
これらの中でも、複素環式アミンが好ましく、N-シクロヘキシル-N’-[2-(4-モルホリニル)エチル]チオ尿素が特に好ましい。 Specific examples of the aliphatic amine include trimethylamine, diethylamine, triethylamine, di-n-propylamine, tri-n-propylamine, di-n-pentylamine, tri-n-pentylamine, diethanolamine, triethanolamine, and the like. Examples include ethanolamine, dicyclohexylamine, and dicyclohexylmethylamine.
Examples of the aromatic amine include aniline, benzylamine, N, N-dimethylaniline, diphenylamine and the like.
Examples of the heterocyclic amine include pyridine, 2-methylpyridine, 4-methylpyridine, 2-ethylpyridine, 4-ethylpyridine, 2-phenylpyridine, 4-phenylpyridine, N-methyl-4-phenylpyridine, 4-dimethylaminopyridine, imidazole, benzimidazole, 4-methylimidazole, 2-phenylbenzimidazole, 2,4,5-triphenylimidazole, nicotine, nicotinic acid, nicotinamide, quinoline, 8-oxyquinoline, pyrazine, Pyrazole, pyridazine, purine, pyrrolidine, piperidine, piperazine, morpholine, 4-methylmorpholine, N-cyclohexyl-N ′-[2- (4-morpholinyl) ethyl] thiourea, 1,5-diazabicyclo [4.3.0 ] -5-Nonene, 1,8-di And azabicyclo [5.3.0] -7-undecene, butane-1,2,3,4-tetracarboxylic acid tetrakis (1,2,2,6,6-pentamethyl-4-piperidinyl) and the like.
Examples of the quaternary ammonium hydroxide include tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetra-n-butylammonium hydroxide, tetra-n-hexylammonium hydroxide, and the like.
Examples of the quaternary ammonium salt of carboxylic acid include tetramethylammonium acetate, tetramethylammonium benzoate, tetra-n-butylammonium acetate, tetra-n-butylammonium benzoate and the like.
Among these, heterocyclic amines are preferable, and N-cyclohexyl-N ′-[2- (4-morpholinyl) ethyl] thiourea is particularly preferable.
硬化性組成物における塩基性化合物の含有量は、硬化性組成物中の全有機固形分100質量部に対して、0.001~3質量部であることが好ましく、0.05~0.5質量部であることがより好ましい。 The basic compounds that can be used in the present invention may be used singly or in combination of two or more.
The content of the basic compound in the curable composition is preferably 0.001 to 3 parts by mass with respect to 100 parts by mass of the total organic solid content in the curable composition, and 0.05 to 0.5 More preferably, it is part by mass.
本発明で使用する硬化性組成物は、その他の成分として、界面活性剤を含有してもよい。
界面活性剤としては、アニオン系、カチオン系、ノニオン系、又は、両性のいずれでも使用することができるが、好ましい界面活性剤はノニオン系界面活性剤である。界面活性剤としては、ノニオン系界面活性剤が好ましく、フッ素系界面活性剤がより好ましい。
本発明に用いることができる界面活性剤としては、例えば、市販品である、メガファックF142D、同F172、同F173、同F176、同F177、同F183、同F479、同F482、同F554、同F780、同F781、同F781-F、同R30、同R08、同F-472SF、同BL20、同R-61、同R-90(DIC(株)製)、フロラードFC-135、同FC-170C、同FC-430、同FC-431、Novec FC-4430(住友スリーエム(株)製)、アサヒガードAG7105,7000,950,7600、サーフロンS-112、同S-113、同S-131、同S-141、同S-145、同S-382、同SC-101、同SC-102、同SC-103、同SC-104、同SC-105、同SC-106(旭硝子(株)製)、エフトップEF351、同352、同801、同802(三菱マテリアル電子化成(株)製)、フタージェント250(ネオス(株)製)が挙げられる。また、上記以外にも、KP(信越化学工業(株)製)、ポリフロー(共栄社化学(株)製)、エフトップ(三菱マテリアル電子化成(株)製)、メガファック(DIC(株)製)、フロラード(住友スリーエム(株)製)、アサヒガード、サーフロン(旭硝子(株)製)、PolyFox(OMNOVA社製)等の各シリーズを挙げることができる。 <Surfactant>
The curable composition used in the present invention may contain a surfactant as another component.
As the surfactant, any of anionic, cationic, nonionic, or amphoteric surfactants can be used, but a preferred surfactant is a nonionic surfactant. As the surfactant, nonionic surfactants are preferable, and fluorine-based surfactants are more preferable.
As the surfactant that can be used in the present invention, for example, commercially available products such as MegaFuck F142D, F172, F173, F176, F177, F183, F479, F482, F554, and F780 are commercially available. F781, F781-F, R30, R08, F-472SF, BL20, R-61, R-90 (manufactured by DIC Corporation), Florard FC-135, FC-170C, FC-430, FC-431, Novec FC-4430 (manufactured by Sumitomo 3M Limited), Asahi Guard AG7105, 7000, 950, 7600, Surflon S-112, S-113, S-131, S -141, S-145, S-382, SC-101, SC-102, SC-103, SC-104, SC-1 05, SC-106 (manufactured by Asahi Glass Co., Ltd.), F-top EF351, 352, 801, 802 (manufactured by Mitsubishi Materials Denka Kasei), and Footgent 250 (manufactured by Neos Co., Ltd.). . In addition to the above, KP (manufactured by Shin-Etsu Chemical Co., Ltd.), Polyflow (manufactured by Kyoeisha Chemical Co., Ltd.), F-Top (manufactured by Mitsubishi Materials Denka Kasei Co., Ltd.), MegaFuck (manufactured by DIC Corporation) , FLORARD (manufactured by Sumitomo 3M Co., Ltd.), Asahi Guard, Surflon (manufactured by Asahi Glass Co., Ltd.), PolyFox (manufactured by OMNOVA), and the like.
式Wにおけるpとqとの和(p+q)は、p+q=100、すなわち、100質量%であることが好ましい。
上記共重合体の重量平均分子量(Mw)は、1,500以上5,000以下がより好ましい。 L W is preferably a branched alkylene group represented by the following formula W-2. R W5 in Formula W-2 represents an alkyl group having 1 to 4 carbon atoms, and is preferably an alkyl group having 1 to 3 carbon atoms in terms of compatibility and wettability to the coated surface. More preferred is an alkyl group of 3.
The sum (p + q) of p and q in Formula W is preferably p + q = 100, that is, 100% by mass.
The weight average molecular weight (Mw) of the copolymer is more preferably from 1,500 to 5,000.
界面活性剤は、1種類のみ含んでいてもよいし、2種類以上含んでいてもよい。2種類以上含む場合は、その合計量が上記範囲となることが好ましい。 The content of the surfactant in the curable composition used in the present invention is preferably 0.001 to 5.0 parts by mass with respect to 100 parts by mass in the total solid content of the photosensitive composition, More preferred is 0.01 to 2.0 parts by mass.
Only one type of surfactant may be included, or two or more types of surfactants may be included. When two or more types are included, the total amount is preferably within the above range.
本発明で使用する硬化性組成物は、上記の成分の他に、酸化防止剤を含有してもよい。なお、酸化防止剤は、上述した成分K以外の化合物である。酸化防止剤としては、公知の酸化防止剤を含有することができる。酸化防止剤を添加することにより、硬化膜の着色を防止できる、又は、分解による膜厚減少を低減でき、また、耐熱透明性に優れるという利点がある。
このような酸化防止剤としては、例えば、リン系酸化防止剤、アミド類、ヒドラジド類、ヒンダードフェノール系酸化防止剤、アスコルビン酸類、硫酸亜鉛、糖類、亜硝酸塩、亜硫酸塩、チオ硫酸塩、ヒドロキシルアミン誘導体などを挙げることができる。これらの中では、硬化膜の着色、膜厚減少の観点から特にヒンダードフェノール系酸化防止剤、リン系酸化防止剤が好ましく、ヒンダードフェノール系酸化防止剤が最も好ましい。これらは1種単独で用いてもよいし、2種以上を混合してもよい。
好ましい市販品として、アデカスタブAO-60、アデカスタブAO-80(以上、(株)ADEKA製)、イルガノックス1098及びイルガノックス1035(以上、BASF社製)を挙げることができる。
酸化防止剤の含有量は、特に制限はないが、感光性組成物の全固形分に対して、0.1~10質量%であることが好ましく、0.2~5質量%であることがより好ましく、0.5~4質量%であることが更に好ましい。 <Antioxidant>
The curable composition used in the present invention may contain an antioxidant in addition to the above components. The antioxidant is a compound other than the component K described above. As an antioxidant, a well-known antioxidant can be contained. By adding an antioxidant, there is an advantage that coloring of the cured film can be prevented, or a decrease in film thickness due to decomposition can be reduced, and heat resistant transparency is excellent.
Examples of such antioxidants include phosphorus antioxidants, amides, hydrazides, hindered phenol antioxidants, ascorbic acids, zinc sulfate, sugars, nitrites, sulfites, thiosulfates, hydroxyls. An amine derivative etc. can be mentioned. Among these, hindered phenolic antioxidants and phosphorus antioxidants are particularly preferable from the viewpoints of coloring of the cured film and reduction in film thickness, and hindered phenolic antioxidants are most preferable. These may be used individually by 1 type and may mix 2 or more types.
Preferable commercially available products include ADK STAB AO-60, ADK STAB AO-80 (above, manufactured by ADEKA), Irganox 1098, and Irganox 1035 (above, manufactured by BASF).
The content of the antioxidant is not particularly limited, but is preferably 0.1 to 10% by mass, and preferably 0.2 to 5% by mass with respect to the total solid content of the photosensitive composition. More preferably, it is 0.5 to 4% by mass.
本発明で使用する硬化性組成物は、解像性及び皮膜特性向上などの観点から、バインダーポリマーを含有していてもよい。
バインダーポリマーとしては、特に制限はなく、公知のものを用いることができるが、線状有機ポリマーを用いることが好ましい。このような線状有機ポリマーとしては、公知のものを任意に使用できる。好ましくは水現像あるいは弱アルカリ水現像を可能とするために、水あるいは弱アルカリ水に可溶性又は膨潤性である線状有機ポリマーが選択される。線状有機ポリマーは、皮膜形成剤としてだけでなく、水、弱アルカリ水あるいは有機溶剤現像剤としての用途に応じて選択使用される。例えば、水可溶性有機ポリマーを用いると水現像が可能になる。このような線状有機ポリマーとしては、側鎖にカルボン酸基を有するラジカル重合体、例えば特開昭59-44615号公報、特公昭54-34327号公報、特公昭58-12577号公報、特公昭54-25957号公報、特開昭54-92723号公報公報、特開昭59-53836号公報、特開昭59-71048号公報に記載されているもの、すなわち、カルボキシ基を有するモノマーを単独あるいは共重合させた樹脂、酸無水物を有するモノマーを単独あるいは共重合させ酸無水物ユニットを加水分解若しくはハーフエステル化若しくはハーフアミド化させた樹脂、エポキシ樹脂を不飽和モノカルボン酸及び酸無水物で変性させたエポキシアクリレート等が挙げられる。カルボキシ基を有するモノマーとしては、アクリル酸、メタクリル酸、イタコン酸、クロトン酸、マレイン酸、フマル酸、4-カルボキシスチレン等が挙げられ、酸無水物を有するモノマーとしては、無水マレイン酸等が挙げられる。
また、同様に側鎖にカルボン酸基を有する酸性セルロース誘導体がある。この他に水酸基を有する重合体に環状酸無水物を付加させたものなどが有用である。
本発明で使用する硬化性組成物中におけるバインダーポリマーの含有量は、特に制限はないが、感光性組成物の全固形分に対して、0~25質量%であることが好ましく、0~10質量%であることがより好ましく、0~2質量%であることがより好ましい。 <Binder polymer>
The curable composition used in the present invention may contain a binder polymer from the viewpoint of improving resolution and film properties.
There is no restriction | limiting in particular as a binder polymer, Although a well-known thing can be used, It is preferable to use a linear organic polymer. As such a linear organic polymer, a well-known thing can be used arbitrarily. Preferably, a linear organic polymer that is soluble or swellable in water or weak alkaline water is selected to enable water development or weak alkaline water development. The linear organic polymer is selected and used not only as a film forming agent but also according to the use as water, weak alkaline water or an organic solvent developer. For example, when a water-soluble organic polymer is used, water development becomes possible. Examples of such linear organic polymers include radical polymers having a carboxylic acid group in the side chain, such as JP-A-59-44615, JP-B-54-34327, JP-B-58-12777, and JP-B-sho. No. 54-25957, JP-A-54-92723, JP-A-59-53836, JP-A-59-71048, ie, a monomer having a carboxy group alone or Copolymerized resin, acid anhydride monomer alone or copolymerized, acid anhydride unit hydrolyzed, half esterified or half amidated, epoxy resin unsaturated monocarboxylic acid and acid anhydride Examples include modified epoxy acrylate. Examples of the monomer having a carboxy group include acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, fumaric acid, and 4-carboxystyrene. Examples of the monomer having an acid anhydride include maleic anhydride. It is done.
Similarly, there is an acidic cellulose derivative having a carboxylic acid group in the side chain. In addition, those obtained by adding a cyclic acid anhydride to a polymer having a hydroxyl group are useful.
The content of the binder polymer in the curable composition used in the present invention is not particularly limited, but is preferably 0 to 25% by mass with respect to the total solid content of the photosensitive composition, and is preferably 0 to 10%. The content is more preferably mass%, more preferably 0 to 2 mass%.
本発明で使用する硬化性組成物には、必要に応じて、上述した以外にも、可塑剤、熱酸発生剤、酸増殖剤等のその他の成分を添加することができる。これらの成分については、例えば、特開2009-98616号公報、特開2009-244801号公報に記載のもの、その他公知のものを用いることができる。また、“高分子添加剤の新展開((株)日刊工業新聞)”に記載の各種紫外線吸収剤や、金属不活性化剤等を本発明で使用する硬化性組成物に添加してもよい。 <Other ingredients>
In addition to the above-described components, other components such as a plasticizer, a thermal acid generator, and an acid proliferating agent can be added to the curable composition used in the present invention. As these components, for example, those described in JP2009-98616A, JP2009-244801A, and other known ones can be used. Further, various ultraviolet absorbers described in “New Development of Polymer Additives (Nikkan Kogyo Shimbun Co., Ltd.)”, metal deactivators and the like may be added to the curable composition used in the present invention. .
TFT基板とは、TFT素子を備える基板を意味する。TFT基板には、有機EL表示装置、液晶表示装置に使用されるTFT基板が含まれる。 <Manufacturing method of TFT substrate>
A TFT substrate means a substrate provided with TFT elements. The TFT substrate includes TFT substrates used in organic EL display devices and liquid crystal display devices.
工程1:上記組成aで表される硬化性組成物を用いて、TFT素子を備える基板上に有機膜層を形成する工程
工程2:上記有機膜上の少なくとも一部に無機膜層を形成する工程
工程3:上記無機膜上にレジスト組成物を用いてレジスト層を形成する工程
工程4:上記レジスト層を露光及び水性現像液により現像する工程
工程5:現像された上記レジスト層を介して上記無機膜をエッチングする工程
工程6:上記レジスト層を下記組成bで表される剥離液組成物を用いて剥離除去する工程
上記の各工程を順に以下に説明する。 The manufacturing method of the TFT substrate of the present invention includes the following
Step 1: A step of forming an organic film layer on a substrate having a TFT element using the curable composition represented by the composition a. Step 2: An inorganic film layer is formed on at least a part of the organic film. Step Step 3: Step of forming a resist layer on the inorganic film using a resist composition Step 4: Step of developing the resist layer with exposure and aqueous developer Step 5: Above the developed resist layer Step of etching inorganic film Step 6: Step of stripping and removing the resist layer using a stripping solution composition represented by the following composition b The above steps will be described in order below.
工程1は、有機膜を形成する工程であり、「有機膜形成工程」ともいう。
「TFT素子を備える基板」は前述の通りである。「上記組成aで表される硬化性組成物を用いて」とは、上記の「硬化性組成物を塗設することにより」を意味する。有機膜とは、炭素原子を含む硬化性組成物から得られる薄膜を意味し、連続した膜及びパターン化された膜の両者を含み、層間絶縁膜や保護膜なども含まれる。
本発明において有機膜層形成工程は、以下の(1)~(5)のサブ工程を含むことが好ましい。
(サブ工程1)上記組成aで表される硬化性組成物をTFT素子を備える基板上に塗布する工程
(サブ工程2)塗布された硬化性組成物から溶剤を除去する工程
(サブ工程3)溶剤が除去された硬化性組成物を活性光線により露光する工程
(サブ工程4)露光された硬化性組成物を水性現像液により現像する工程
(サブ工程5)現像された硬化性組成物を熱硬化するポストベーク工程
上記の(サブ工程1)~(サブ工程5)を以下に順に説明する。 <Step 1: Step of forming an organic film layer on a substrate including a TFT element using the curable composition represented by the composition a>
The “substrate having TFT elements” is as described above. “Using the curable composition represented by the composition a” means “by applying a curable composition”. The organic film means a thin film obtained from a curable composition containing carbon atoms, and includes both a continuous film and a patterned film, and includes an interlayer insulating film and a protective film.
In the present invention, the organic film layer forming step preferably includes the following sub-steps (1) to (5).
(Sub process 1) The process of apply | coating the curable composition represented by the said composition a on a board | substrate provided with a TFT element (Sub process 2) The process of removing a solvent from the apply | coated curable composition (Sub process 3) Step of exposing the curable composition from which the solvent has been removed with actinic rays (Sub-step 4) Step of developing the exposed curable composition with an aqueous developer (Sub-step 5) Heating the developed curable composition Post-bake process for curing The above-mentioned (sub-process 1) to (sub-process 5) will be described in order below.
基板への塗布方法は特に限定されず、例えば、スリットコート法、スプレー法、ロールコート法、回転塗布法、流延塗布法、スリットアンドスピン法等の方法を用いることができる。さらに、特開2009-145395号公報に記載されているような、所謂プリウェット法を適用することも可能である。
適用したときの湿潤膜の膜厚は特に限定されず、用途に応じた膜厚で塗布することができるが、0.5~10μmの範囲であることが好ましい。 In the coating step (sub-step 1), the curable composition represented by the composition a is applied onto a substrate including a TFT element to form a wet film containing a solvent. Before applying the curable composition to the substrate, it is preferable to perform substrate cleaning such as alkali cleaning or plasma cleaning, and it is more preferable to treat the substrate surface with hexamethyldisilazane after substrate cleaning. By performing this treatment, the adhesiveness of the curable composition to the substrate tends to be improved. The method for treating the substrate surface with hexamethyldisilazane is not particularly limited, and examples thereof include a method in which the substrate is exposed to hexamethyldisilazane vapor.
The coating method on the substrate is not particularly limited, and for example, a slit coating method, a spray method, a roll coating method, a spin coating method, a casting coating method, a slit and spin method, or the like can be used. Furthermore, it is also possible to apply a so-called pre-wet method as described in JP-A-2009-145395.
The thickness of the wet film when applied is not particularly limited, and can be applied with a film thickness according to the application, but is preferably in the range of 0.5 to 10 μm.
活性光線の露光光源としては、低圧水銀灯、高圧水銀灯、超高圧水銀灯、ケミカルランプ、LED光源エキシマレーザー発生装置などを用いることができ、g線(436nm)、i線(365nm)、h線(405nm)などの波長範囲300nm以上450nm以下の波長を有する活性光線が好ましく使用できる。また、必要に応じて長波長カットフィルター、短波長カットフィルター、バンドパスフィルターのような分光フィルターを通して照射光を調整することもできる。
露光装置としては、ミラープロジェクションアライナー、ステッパー、スキャナー、プロキシミティ、コンタクト、マイクロレンズアレイ、レーザー露光、など各種方式の露光機を用いることができる。
酸触媒の生成した領域において、上記の分解反応を加速させるために、露光後加熱処理:Post Exposure Bake(以下、「PEB」ともいう。)を行うことができる。PEBにより、酸分解性基からのカルボキシル基又はフェノール性水酸基の生成を促進させることができる。PEBを行う場合の温度範囲は、30℃以上130℃以下であることが好ましく、40℃以上110℃以下がより好ましく、50℃以上100℃以下が特に好ましい。
ただし、本発明における酸分解性基は、酸分解の活性化エネルギーが低く、露光による酸発生剤由来の酸により容易に分解し、カルボキシル基又はフェノール性水酸基などを生じるため、必ずしもPEBを行うことなく、現像によりポジ画像が形成される。 In the exposure step (Sub-step 3), the substrate provided with the coating film is irradiated with actinic rays through a mask having a predetermined pattern. In this step, acid is generated by the decomposition of the photoacid generator in the exposed area. By the catalytic action of the generated acid, the acid-decomposable group contained in the coating film component is decomposed to generate an acidic group such as a carboxyl group or a phenolic hydroxyl group.
As an exposure light source for actinic rays, a low-pressure mercury lamp, a high-pressure mercury lamp, an ultra-high pressure mercury lamp, a chemical lamp, an LED light source excimer laser generator, etc. can be used, and g-line (436 nm), i-line (365 nm), h-line (405 nm). Actinic rays having a wavelength range of 300 nm to 450 nm can be preferably used. Moreover, irradiation light can also be adjusted through spectral filters, such as a long wavelength cut filter, a short wavelength cut filter, and a band pass filter, as needed.
As the exposure apparatus, various types of exposure machines such as a mirror projection aligner, a stepper, a scanner, a proximity, a contact, a microlens array, and a laser exposure can be used.
In order to accelerate the decomposition reaction in the region where the acid catalyst is generated, post-exposure heat treatment: Post Exposure Bake (hereinafter also referred to as “PEB”) can be performed. PEB can promote the formation of a carboxyl group or a phenolic hydroxyl group from an acid-decomposable group. The temperature range in performing PEB is preferably 30 ° C. or higher and 130 ° C. or lower, more preferably 40 ° C. or higher and 110 ° C. or lower, and particularly preferably 50 ° C. or higher and 100 ° C. or lower.
However, the acid-decomposable group in the present invention has a low activation energy for acid decomposition and is easily decomposed by an acid derived from an acid generator by exposure to generate a carboxyl group or a phenolic hydroxyl group. Instead, a positive image is formed by development.
現像工程で使用する現像液には、塩基性化合物が含まれることが好ましい。塩基性化合物としては、例えば、水酸化リチウム、水酸化ナトリウム、水酸化カリウムなどのアルカリ金属水酸化物類;炭酸ナトリウム、炭酸カリウムなどのアルカリ金属炭酸塩類;重炭酸ナトリウム、重炭酸カリウムなどのアルカリ金属重炭酸塩類;テトラメチルアンモニウムヒドロキシド、テトラエチルアンモニウムヒドロキシド、コリンヒドロキシド等のアンモニウムヒドロキシド類;ケイ酸ナトリウム、メタケイ酸ナトリウムなどの水溶液を使用することができる。また、上記アルカリ類の水溶液にメタノールやエタノールなどの水溶性有機溶剤や界面活性剤を適当量添加した水溶液を現像液として使用することもできる。
好ましい現像液として、テトラエチルアンモニウムヒドロキシドの0.4%水溶液、0.5%水溶液、0.7%水溶液、2.38%水溶液を挙げることができる。
現像液のpHは、好ましくは10.0~14.0である。
現像時間は、適宜選択することができ、好ましくは30~500秒間であり、また、現像の手法は液盛り法、ディップ法等のいずれでもよい。現像後は、流水洗浄を、通常、30~300秒間行い、所望のパターンを形成させることができる。現像の後に、リンス工程を行うこともできる。リンス工程では、現像後の基板を純水などで洗うことにより、付着している現像液の除去、現像残渣の除去を行う。リンス方法は公知の方法を用いることができる。例えばシャワーリンスやディップリンスなどを挙げることができる。 In the developing step (sub-step 4), the
The developer used in the development step preferably contains a basic compound. Examples of the basic compound include alkali metal hydroxides such as lithium hydroxide, sodium hydroxide and potassium hydroxide; alkali metal carbonates such as sodium carbonate and potassium carbonate; alkalis such as sodium bicarbonate and potassium bicarbonate Metal bicarbonates; ammonium hydroxides such as tetramethylammonium hydroxide, tetraethylammonium hydroxide and choline hydroxide; aqueous solutions such as sodium silicate and sodium metasilicate can be used. An aqueous solution obtained by adding an appropriate amount of a water-soluble organic solvent such as methanol or ethanol or a surfactant to the alkaline aqueous solution can also be used as a developer.
Preferred examples of the developer include a 0.4% aqueous solution, a 0.5% aqueous solution, a 0.7% aqueous solution, and a 2.38% aqueous solution of tetraethylammonium hydroxide.
The pH of the developer is preferably 10.0 to 14.0.
The development time can be selected as appropriate, and is preferably 30 to 500 seconds, and the development method may be either a liquid piling method or a dipping method. After development, washing with running water is usually performed for 30 to 300 seconds to form a desired pattern. A rinsing step can also be performed after development. In the rinsing step, the developed substrate and the development residue are removed by washing the developed substrate with pure water or the like. A known method can be used as the rinsing method. For example, a shower rinse, a dip rinse, etc. can be mentioned.
なお、ポストベークに先立ち、パターンを形成した基板に活性光線により全面再露光(ポスト露光)した後、ポストベークすることにより未露光部分に存在する光酸発生剤から酸を発生させ、架橋工程を促進する触媒として機能させることができ、膜の硬化反応を促進することができる。ポスト露光工程を含む場合の好ましい露光量としては、100~3,000mJ/cm2が好ましく、100~500mJ/cm2が特に好ましい。 Prior to post-baking, post-baking can be performed after baking at a relatively low temperature (addition of a middle baking process). When performing the middle baking process, it is preferable to post-bake at a high temperature of 200 ° C. or higher after heating at 90 to 150 ° C. for 1 to 60 minutes. Further, middle baking and post baking can be performed in three or more stages. The taper angle of the pattern can be adjusted by devising such middle baking and post baking. A known heating method such as a hot plate, an oven, or an infrared heater can be used for these heating.
Prior to post-baking, the entire surface of the patterned substrate was re-exposed with actinic rays (post-exposure), and then post-baked to generate an acid from the photoacid generator present in the unexposed portion, thereby performing a crosslinking step. It can function as a catalyst to promote, and can accelerate the curing reaction of the film. The preferred exposure amount in the case of including a post-exposure step, preferably 100 ~ 3,000mJ / cm 2, particularly preferably 100 ~ 500mJ / cm 2.
本発明において無機膜形成工程には、公知の成膜法、真空蒸着法、分子線エピタキシャル成長法、イオンクラスタービーム法、低エネルギーイオンビーム法、イオンプレーティング法、CVD(化学気相成長; chemical vapor deposition)法、スパッタリング法、大気圧プラズマ法などを用いることができる。
また、この無機膜形成工程に使用される無機膜は、上記有機膜層上の少なくとも一部に形成され、例えばクロム膜、モリブデン膜、モリブデン合金膜、タンタル膜、タンタル合金膜、タングステン膜、タングステン合金膜、酸化錫をドープした酸化インジウム(ITO、IZO)膜や酸化錫膜、Ni、Cu、Fe、Al、Tiなどのメタル膜;石英(SiOx)、ガラス、窒化珪素膜、シリコン、窒化シリコン、ポリシリコン、酸化シリコン、アモルファスシリコン膜、IGZO(イグゾ;Indium Gallium Zinc Oxygen)などの酸化物半導体膜などを用いることができる。
このように、「無機膜」は、炭素原子を含まず、無機原子のみにより構成された薄層を意味し、酸化インジウムスズ(ITO)膜、メタル膜、シリコン窒化膜(SiNx)及び酸化ケイ素膜よりなる群から選ばれた無機膜層であることが好ましく、ITO膜又はSiNx膜であることがより好ましい。 <Step 2: Step of forming an inorganic film on at least a part of the organic film (inorganic film forming step)>
In the present invention, the inorganic film forming step includes a known film formation method, vacuum deposition method, molecular beam epitaxial growth method, ion cluster beam method, low energy ion beam method, ion plating method, CVD (chemical vapor deposition; chemical vapor deposition). deposition) method, sputtering method, atmospheric pressure plasma method and the like can be used.
The inorganic film used in the inorganic film forming step is formed on at least a part of the organic film layer, for example, a chromium film, a molybdenum film, a molybdenum alloy film, a tantalum film, a tantalum alloy film, a tungsten film, tungsten Alloy film, tin oxide doped indium oxide (ITO, IZO) film, tin oxide film, metal film such as Ni, Cu, Fe, Al, Ti; quartz (SiOx), glass, silicon nitride film, silicon, silicon nitride An oxide semiconductor film such as polysilicon, silicon oxide, amorphous silicon film, IGZO (Indium Gallium Zinc Oxygen), or the like can be used.
As described above, the “inorganic film” means a thin layer that does not contain carbon atoms and is composed only of inorganic atoms, such as indium tin oxide (ITO) film, metal film, silicon nitride film (SiN x ), and silicon oxide. An inorganic film layer selected from the group consisting of films is preferable, and an ITO film or SiNx film is more preferable.
無機膜上へのレジスト形成工程は、無機膜層上にレジスト組成物を適用する工程及び適用されたレジスト組成物から溶剤を除去する工程を含むことが好ましい。
無機膜上にレジスト組成物を適用する工程では、無機膜上に上記レジスト組成物を塗布して溶剤を含む湿潤膜とすることが好ましい。基板への塗布方法は特に限定されず、例えば、インクジェット法、スリットコート法、スプレー法、ロールコート法、回転塗布法、流延塗布法、スリットアンドスピン法等の方法を用いることができる。さらに、特開2009-145395号公報に記載されているような、所謂プリウェット法を適用することも可能である。
塗布したときのウエット膜厚は特に限定されるものではなく、用途に応じた膜厚で塗布することができるが、通常は0.5~10μmの範囲で使用される。
また、適用されたレジスト組成物から溶剤を除去する工程では、適用された上記の膜から、減圧(バキューム)及び/又は加熱により、溶剤を除去して基板上に乾燥塗膜を形成させる。溶剤除去工程の加熱条件は、好ましくは70~130℃で30~300秒間程度である。温度と時間が上記範囲である場合、パターンの密着性がより良好で、且つ残渣もより低減できる傾向にある。 <Step 3: Step of forming a resist layer on the inorganic film using a resist composition (resist layer forming step)>
The resist forming step on the inorganic film preferably includes a step of applying the resist composition on the inorganic film layer and a step of removing the solvent from the applied resist composition.
In the step of applying the resist composition on the inorganic film, it is preferable to apply the resist composition on the inorganic film to form a wet film containing a solvent. The coating method on the substrate is not particularly limited, and for example, a method such as an inkjet method, a slit coating method, a spray method, a roll coating method, a spin coating method, a casting coating method, a slit and spin method can be used. Furthermore, it is also possible to apply a so-called pre-wet method as described in JP-A-2009-145395.
The wet film thickness when applied is not particularly limited, and can be applied with a film thickness according to the application, but it is usually used in the range of 0.5 to 10 μm.
In the step of removing the solvent from the applied resist composition, the solvent is removed from the applied film by vacuum (vacuum) and / or heating to form a dry coating film on the substrate. The heating conditions for the solvent removal step are preferably 70 to 130 ° C. and about 30 to 300 seconds. When the temperature and time are in the above ranges, the pattern adhesiveness is better and the residue tends to be further reduced.
本発明の無機膜上のレジスト層の露光工程では、得られた塗膜に波長300nm~450nmの活性光線を照射する。活性光線による露光光源としては、低圧水銀灯、高圧水銀灯、超高圧水銀灯、ケミカルランプ、LED光源、エキシマレーザー発生装置などを用いることができ、g線(436nm)、i線(365nm)、h線(405nm)などの波長300nm以上450nm以下の波長を有する活性光線が好ましく使用でき、波長300~440nmがより好ましく使用できる。また、必要に応じて長波長カットフィルター、短波長カットフィルター、バンドパスフィルターのような分光フィルターを通して照射光を調整することもできる。露光装置としては、ミラープロジェクションアライナー、ステッパー、スキャナー、プロキシミティ、コンタクト、マイクロレンズアレイ、レーザー露光、など各種方式の露光機を用いることができる。さらに本発明では、必要に応じて、露光後加熱処理:Post Exposure Bake(以下、「PEB」ともいう。)を行うこともできる。
また、本発明の無機膜上のレジスト層の現像工程は、前述の方法で行うことができる。さらに、上記現像工程後、下記エッチング工程前に、上記レジストパターンをポストベークして熱硬化させる工程を行うことも可能である。 <Step 4: Step of exposing the resist layer (exposure step) and Step of developing with aqueous developer (development step)>
In the exposure process of the resist layer on the inorganic film of the present invention, the obtained coating film is irradiated with actinic rays having a wavelength of 300 nm to 450 nm. As an exposure light source using actinic light, a low-pressure mercury lamp, a high-pressure mercury lamp, an ultrahigh-pressure mercury lamp, a chemical lamp, an LED light source, an excimer laser generator, etc. can be used, g-line (436 nm), i-line (365 nm), h-line Actinic rays having a wavelength of not less than 300 nm and not more than 450 nm can be preferably used, and a wavelength of 300 to 440 nm can be more preferably used. Moreover, irradiation light can also be adjusted through spectral filters, such as a long wavelength cut filter, a short wavelength cut filter, and a band pass filter, as needed. As the exposure apparatus, various types of exposure machines such as a mirror projection aligner, a stepper, a scanner, a proximity, a contact, a microlens array, and a laser exposure can be used. Furthermore, in the present invention, post-exposure heat treatment: Post Exposure Bake (hereinafter also referred to as “PEB”) can be performed as necessary.
Moreover, the development process of the resist layer on the inorganic film of the present invention can be performed by the above-described method. Furthermore, it is possible to perform a step of post-baking and thermosetting the resist pattern after the developing step and before the etching step described below.
本発明のTFT基板の製造方法は、上記で形成されたレジストパターンをマスクとして無機膜層をエッチングする工程を含む。上記レジストパターンをマスクとして上記無機膜層をエッチングする方法としては特に制限はなく、ウェットエッチング、ドライエッチング等、公知の方法を用いることができる。 <Step 5: Etching the inorganic film through the developed resist layer>
The manufacturing method of the TFT substrate of the present invention includes a step of etching the inorganic film layer using the resist pattern formed above as a mask. The method for etching the inorganic film layer using the resist pattern as a mask is not particularly limited, and a known method such as wet etching or dry etching can be used.
無機膜層上のレジスト層の剥離除去工程では、アミン化合物(成分I)と下記式(II-1)及び/又は下記式(II-2)で表される化合物とを特定の割合で含有する剥離液組成物により、無機膜上のレジスト層を剥離除去する。 <Step 6: Step of peeling and removing the resist layer with a stripping composition represented by the following composition b (peeling and removing step)>
In the step of removing the resist layer on the inorganic film layer, the amine compound (component I) and the compound represented by the following formula (II-1) and / or the following formula (II-2) are contained in a specific ratio. The resist layer on the inorganic film is peeled and removed with the stripping solution composition.
レジスト層の剥離除去工程で使用される剥離液組成物は、成分Iとしてアミン化合物を含有する。中でも、レジスト層の剥離除去性及び下層の無機膜の信頼性の観点から、ヒドロキシ基を有するアミン化合物であることが好ましい。上記ヒドロキシ基を有するアミン化合物としては、以下の(I-1)で表される構造を有するアミン化合物であることが特に好ましい。 (Component I: amine compound)
The stripping solution composition used in the resist layer stripping step contains an amine compound as Component I. Among these, an amine compound having a hydroxy group is preferable from the viewpoints of the strippability of the resist layer and the reliability of the underlying inorganic film. The amine compound having a hydroxy group is particularly preferably an amine compound having a structure represented by the following (I-1).
ヒドロキシアルキル基のヒドロキシル基はいくつあってもよいが、1つの置換基中に、1つ又は2つが好ましく、1つがより好ましい。R6~R8がアルキル基又はヒドロキシアルキル基であるとき、隣接するもの同士が結合して環を形成していてもよい。上記の環は、5員環又は6員環が好ましい。また、R6~R8中のヒドロキシアルキル基の数は、1つ又は2つであることが好ましい。 In the formula, R 6 to R 8 each independently represents a hydrogen atom, an alkyl group, a hydroxy group or a hydroxyalkyl group, and at least one of R 6 to R 8 represents a hydroxyalkyl group or a hydroxyl group. Note that when R 6 to R 8 are alkyl groups, or a preferred carbon number range of the alkyl group of the hydroxyalkyl group is 1 to 5 as in R 1 to R 5 above.
There may be any number of hydroxyl groups in the hydroxyalkyl group, but one or two is preferable in one substituent, and one is more preferable. When R 6 to R 8 are an alkyl group or a hydroxyalkyl group, adjacent ones may be bonded to form a ring. The ring is preferably a 5-membered ring or a 6-membered ring. The number of hydroxyalkyl groups in R 6 to R 8 is preferably 1 or 2.
レジスト層の剥離除去工程で使用される剥離液組成物は、成分IIとして下記式(II-1)及び/又は下記式(II-2)で表される化合物を含有する。 <Compound represented by the following formula (II-1) and / or the following formula (II-2)>
The stripping solution composition used in the resist layer stripping step contains, as Component II, a compound represented by the following formula (II-1) and / or the following formula (II-2).
上記のアルキル基の炭素数は、1~5であることが好ましく、また、アルキレン基の炭素数は、2~5であることが好ましい。上記の環は、5~6員環であることが好ましく、ピロリドン環であることが更に好ましい。 In the formula, R 1 to R 3 each independently represent a hydrogen atom or an alkyl group, R 1 and R 2 , or R 1 and R 3 may be linked to form a ring, and R 4 is an alkylene group R 5 represents a hydrogen atom or an alkyl group, and n represents an integer of 1 to 4.
The alkyl group preferably has 1 to 5 carbon atoms, and the alkylene group preferably has 2 to 5 carbon atoms. The ring is preferably a 5- to 6-membered ring, more preferably a pyrrolidone ring.
式(II-1)で表される化合物としては、N-メチルピロリドン、1-(ヒドロキシメチル)-2-ピロリジノン、アセトアミド、N-メチルアセトアミド、ジメチルアセトアミド、N-エチルアセトアミド、N,N-ジエチルアセトアミド、N-メチルホルムアミド、ジメチルホルムアミド、N-エチルホルムアミド、N,N-ジエチルホルムアミドが好ましく、N-メチルピロリドン、1-(ヒドロキシメチル)-2-ピロリジノン、ジメチルアセトアミド、N-メチルホルムアミド、ジメチルホルムアミド、又は、これらの混合物がより好ましい。
上記式(II-1)で表される化合物は、単独で使用しても、複数種を併用することもでき、その場合は上記式(II-1)で表される化合物を全て合算して含有量を計算する。 <Compound represented by the above formula (II-1)>
Examples of the compound represented by the formula (II-1) include N-methylpyrrolidone, 1- (hydroxymethyl) -2-pyrrolidinone, acetamide, N-methylacetamide, dimethylacetamide, N-ethylacetamide, N, N-diethyl. Acetamide, N-methylformamide, dimethylformamide, N-ethylformamide, N, N-diethylformamide are preferred, N-methylpyrrolidone, 1- (hydroxymethyl) -2-pyrrolidinone, dimethylacetamide, N-methylformamide, dimethylformamide Or a mixture thereof is more preferred.
The compounds represented by the above formula (II-1) can be used alone or in combination, and in that case, all the compounds represented by the above formula (II-1) are added together. Calculate the content.
式(II-2)で表される化合物としては、エチレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル、エチレングリコールモノプロピルエーテル、エチレングリコールモノブチルエーテル、プロピレングリコールモノメチルエーテル、プロピレングリコールモノエチルエーテル、プロピレングリコールモノプロピルエーテル、プロピレングリコールモノブチルエーテル、ジエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノプロピルエーテル、ジエチレングリコールモノブチルエーテル、ジプロピレングリコールモノメチルエーテル、ジプロピレングリコールモノエチルエーテル、ジプロピレングリコールモノプロピルエーテル、ジプロピレングリコールモノブチルエーテル、トリエチレングリコールモノメチルエーテル、トリエチレングリコールモノエチルエーテル、トリエチレングリコールモノプロピルエーテル、トリエチレングリコールモノブチルエーテル、トリプロピレングリコールモノメチルエーテル、トリプロピレングリコールモノエチルエーテル、トリプロピレングリコールモノプロピルエーテル、及びトリプロピレングリコールモノブチルエーテル等が挙げられるが、これら例示に限定されるものでない。中でも、ジエチレングリコールモノブチルエーテル、ジプロプレングリコールモノメチルエーテル、又は、これらの混合物が、高防食能であるなどの観点から更に好ましい。
上記式(II-2)で表される化合物は、単独で使用しても、複数種を併用することもでき、その場合は上記式(II-2)で表される化合物を全て合算して含有量を計算する。 <Compound represented by formula (II-2)>
Examples of the compound represented by the formula (II-2) include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monoethyl ether Propyl ether, propylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monopropyl ether, diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, dipropylene glycol monopropyl ether, dipropylene glycol Monobutyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, triethylene glycol monopropyl ether, triethylene glycol monobutyl ether, tripropylene glycol monomethyl ether, tripropylene glycol monoethyl ether, tripropylene glycol monopropyl ether, and Although tripropylene glycol monobutyl ether etc. are mentioned, it is not limited to these illustrations. Among these, diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, or a mixture thereof is more preferable from the viewpoint of high anticorrosive ability.
The compounds represented by the above formula (II-2) can be used alone or in combination, and in that case, all the compounds represented by the above formula (II-2) are added together. Calculate the content.
本発明で使用するレジスト層の剥離除去工程で使用される剥離液組成物に含まれるその他の化合物としては、水、メチルエチルケトン、メチルイソブチルケトン、シクロヘキサノン、シクロヘペンタノン、メチルプロピルケトン、2-ヒドロキシイソ酪酸メチル、γ-ブチロラクトン等が好ましく、水がより好ましい。
また、本発明の剥離液は、上記成分以外に、半導体基板上の金属に対するインヒビター(防食剤)、界面活性剤、消泡剤などを含んでもよい。界面活性剤としては、公知のノニオン界面活性剤、カチオン界面活性剤、両性界面活性剤などから、適宜選択して用いることができる。防食剤としては、アゾール類などの含窒素化合物、含硫黄系防食剤、糖系防食剤、エチレンジアミン4酢酸などのキレート剤として公知の化合物などを適宜選択して用いることができる。消泡剤としては、アセチレンアルコール、シリコーンオイルなどの公知のものが適宜使用可能である。 <Other compounds>
Other compounds contained in the stripping composition used in the resist layer stripping step used in the present invention include water, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, cyclohepentanone, methyl propyl ketone, 2-hydroxy Methyl isobutyrate, γ-butyrolactone and the like are preferable, and water is more preferable.
In addition to the above components, the stripping solution of the present invention may contain an inhibitor (anticorrosive agent), a surfactant, an antifoaming agent and the like for the metal on the semiconductor substrate. The surfactant can be appropriately selected from known nonionic surfactants, cationic surfactants, amphoteric surfactants, and the like. As the anticorrosive, a known compound as a chelating agent such as nitrogen-containing compounds such as azoles, sulfur-containing anticorrosives, sugar-based anticorrosives, and ethylenediaminetetraacetic acid can be appropriately selected and used. As the antifoaming agent, known ones such as acetylene alcohol and silicone oil can be used as appropriate.
本発明の液晶表示装置は、本発明のTFT基板の製造方法を含有することを特徴とする。また、本発明の有機EL表示装置は、本発明のTFT基板の製造方法を含有することを特徴とする。
本発明の製造方法により製造される液晶表示装置としては、上記の硬化性組成物により形成される平坦化膜や層間絶縁膜などの有機膜を含み、上記の剥離液組成物を用いてレジスト層が剥離除去されること以外は特に制限されず、様々な構造をとる公知の液晶表示装置を挙げることができる。
例えば、本発明の製造方法が対象とする液晶表示装置が具備するTFT(Thin-Film Transistor;薄膜トランジスタ)の具体例としては、アモルファスシリコン-TFT、低温ポリシリコン-TFT、酸化物半導体TFT等が挙げられる。
また、本発明の液晶表示装置が取りうる液晶駆動方式としてはTN(Twisted Nematic)方式、VA(Vertically Alignment)方式、IPS(In-Plane-Switching)方式、FFS(Fringe Field Switching)方式、OCB(Optical Compensated Bend)方式などが挙げられる。 (Liquid crystal display device)
The liquid crystal display device of the present invention includes the method for producing a TFT substrate of the present invention. Moreover, the organic EL display device of the present invention is characterized by containing the method for producing a TFT substrate of the present invention.
The liquid crystal display device manufactured by the manufacturing method of the present invention includes an organic film such as a flattening film or an interlayer insulating film formed from the above curable composition, and a resist layer using the above stripping solution composition There is no particular limitation except that is removed and removed, and known liquid crystal display devices having various structures can be given.
For example, specific examples of TFT (Thin-Film Transistor) included in the liquid crystal display device targeted by the manufacturing method of the present invention include amorphous silicon-TFT, low-temperature polysilicon-TFT, oxide semiconductor TFT, and the like. It is done.
Further, liquid crystal driving methods that the liquid crystal display device of the present invention can take are TN (Twisted Nematic) method, VA (Vertical Alignment) method, IPS (In-Plane-Switching) method, FFS (Fringe Field Switching) method, OCB (OCB). (Optical Compensated Bend) method.
また、本発明の液晶表示装置が取りうる液晶配向膜の具体的な配向方式としてはラビング配向法、光配向法などが挙げられる。また、特開2003-149647号公報や特開2011-257734号公報に記載のPSA(Polymer Sustained Alignment)技術によってポリマー配向支持されていてもよい。
また、本発明で使用する硬化性樹脂組成物及び本発明の硬化膜は、上記用途に限定されず種々の用途に使用することができる。例えば、平坦化膜や層間絶縁膜以外にも、カラーフィルターの保護膜や、液晶表示装置における液晶層の厚みを一定に保持するためのスペーサーや固体撮像素子においてカラーフィルター上に設けられるマイクロレンズ等に好適に用いることができる。 In the panel configuration, the cured film of the present invention can also be used in a COA (Color Filter on Array) type liquid crystal display device. For example, the organic insulating film (115) disclosed in JP-A-2005-284291 and JP-A-2005 -346054 can be used as the organic insulating film (212).
Specific examples of the alignment method of the liquid crystal alignment film that can be taken by the liquid crystal display device of the present invention include a rubbing alignment method and a photo alignment method. Further, the polymer orientation may be supported by a PSA (Polymer Sustained Alignment) technique described in JP-A Nos. 2003-149647 and 2011-257734.
Moreover, the curable resin composition used in the present invention and the cured film of the present invention are not limited to the above-mentioned applications, and can be used for various applications. For example, in addition to the planarization film and interlayer insulating film, a protective film for the color filter, a spacer for keeping the thickness of the liquid crystal layer in the liquid crystal display device constant, a microlens provided on the color filter in the solid-state imaging device, etc. Can be suitably used.
ガラス基板6上にボトムゲート型のTFT1を形成し、このTFT1を覆う状態でSi3N4からなる絶縁膜3が形成されている。絶縁膜3に、ここでは図示を省略したコンタクトホールを形成した後、このコンタクトホールを介してTFT1に接続される配線2(高さ1.0μm)が絶縁膜3上に形成されている。配線2は、TFT1間又は、後の工程で形成される有機EL素子とTFT1とを接続するためのものである。
さらに、配線2の形成による凹凸を平坦化するために、配線2による凹凸を埋め込む状態で絶縁膜3上に平坦化層4が形成されている。
平坦化膜4上には、ボトムエミッション型の有機EL素子が形成されている。すなわち、平坦化膜4上に、ITOからなる第一電極5が、コンタクトホール7を介して配線2に接続させて形成されている。また、第一電極5は、有機EL素子の陽極に相当する。
第一電極5の周縁を覆う形状の絶縁膜8が形成されており、この絶縁膜8を設けることによって、第一電極5とこの後の工程で形成する第二電極との間のショートを防止することができる。
さらに、図1には図示していないが、所望のパターンマスクを介して、正孔輸送層、有機発光層、電子輸送層を順次蒸着して設け、次いで、基板上方の全面にAlからなる第二電極を形成し、封止用ガラス板と紫外線硬化型エポキシ樹脂を用いて貼り合わせることで封止し、各有機EL素子にこれを駆動するためのTFT1が接続されてなるアクティブマトリックス型の有機EL表示装置が得られる。 FIG. 1 is a conceptual diagram of an example of an organic EL display device. A schematic cross-sectional view of a substrate in a bottom emission type organic EL display device is shown, and a
A bottom
Further, in order to flatten the unevenness due to the formation of the
On the
An insulating film 8 having a shape covering the periphery of the
Further, although not shown in FIG. 1, a hole transport layer, an organic light emitting layer, and an electron transport layer are sequentially deposited through a desired pattern mask, and then a first layer made of Al is formed on the entire surface above the substrate. An active matrix organic material in which two electrodes are formed and sealed by bonding using a sealing glass plate and an ultraviolet curable epoxy resin, and each organic EL element is connected to a
バックライトの光源としては、特に限定されず公知の光源を用いることができる。例えば白色LED、青色・赤色・緑色などの多色LED、蛍光灯(冷陰極管)、有機ELなどを挙げることができる。
また、液晶表示装置は、3D(立体視)型のものとしたり、タッチパネル型のものとしたりすることも可能である。さらにフレキシブル型にすることも可能であり、特開2011-145686号公報の第2相間絶縁膜(48)や、特開2009-258758号公報の相間絶縁膜(520)として用いることができる。 FIG. 2 is a conceptual cross-sectional view showing an example of the active matrix type liquid
The light source of the backlight is not particularly limited, and a known light source can be used. For example, a white LED, a multicolor LED such as blue, red, and green, a fluorescent lamp (cold cathode tube), and an organic EL can be used.
Further, the liquid crystal display device can be a 3D (stereoscopic) type or a touch panel type. Further, it can be made flexible, and can be used as the second interphase insulating film (48) of JP 2011-145686 A or the interphase insulating film (520) of JP 2009-258758 A.
本発明の有機EL表示装置は、上記のように、本発明のTFT基板の製造方法を含む製造方法により製造されることを特徴とする。
本発明の有機EL表示装置の製造方法は、上記のTFT基板の製造方法で製造される有機膜及び無機膜を含有すること以外は特に制限されず、有機膜として、好ましくは、化学増幅型のポジ型硬化性組成物を用いて形成される平坦化膜や層間絶縁膜を有し、無機膜として、好ましくは、酸化インジウムスズ(ITO)膜、メタル膜、シリコン窒化膜(SiNx)及び酸化ケイ素膜よりなる群から選ばれた無機膜層を有すること以外は特に制限されず、様々な構造をとる公知の各種有機EL表示装置の製造方法に適用される。
例えば、本発明の有機EL表示装置の製造方法を適用する対象において、TFT(Thin-Film Transistor;薄膜トランジスター)の具体例としては、アモルファスシリコン-TFT、低温ポリシリコン-TFT、酸化物半導体TFT等が挙げられる。 (Organic EL display device)
As described above, the organic EL display device of the present invention is manufactured by a manufacturing method including the manufacturing method of the TFT substrate of the present invention.
The manufacturing method of the organic EL display device of the present invention is not particularly limited except that it contains the organic film and the inorganic film manufactured by the above-described TFT substrate manufacturing method, and the organic film is preferably a chemically amplified type. It has a flattening film and an interlayer insulating film formed using a positive curable composition, and as an inorganic film, preferably an indium tin oxide (ITO) film, a metal film, a silicon nitride film (SiN x ), and an oxidation film The method is not particularly limited except that it has an inorganic film layer selected from the group consisting of silicon films, and can be applied to various known methods for manufacturing organic EL display devices having various structures.
For example, in a target to which the method for manufacturing an organic EL display device of the present invention is applied, specific examples of TFT (Thin-Film Transistor) include amorphous silicon-TFT, low-temperature polysilicon-TFT, oxide semiconductor TFT, etc. Is mentioned.
MATHF:メタクリル酸テトラヒドロフラン-2-イル(合成品)
MAEVE:メタクリル酸1-エトキシエチル(和光純薬工業(株)製)
MACHOE:1-(シクロヘキシルオキシ)エチルメタクリレート(合成品)
MATHP:メタクリル酸テトラヒドロ-2H-ピラン-2-イル(新中村化学工業(株)製)
PHSEVE:p-ヒドロキシスチレンの1-エトキシエチル基保護体(合成品)
GMA:グリシジルメタクリレート(和光純薬工業(株)製)
OXE-30:メタクリル酸(3-エチルオキセタン-3-イル)メチル(大阪有機化学工業(株)製)
NBMA:n-ブトキシメチルアクリルアミド(三菱レイヨン(株)製)
MAA:メタクリル酸(和光純薬工業(株)製)
HOMeSt:p-ヒドロキシ-α-メチルスチレン(三井化学(株)製)
HEMA:メタクリル酸2-ヒドロキシエチル(和光純薬工業(株)製)
MMA:メタクリル酸メチル(和光純薬工業(株)製)
St:スチレン(和光純薬工業(株)製)
DCPM:ジシクロペンタニルメタクリレート(日立化成工業(株)製)
V-601:ジメチル-2,2’-アゾビス(2-メチルプロピオネート)(和光純薬工業(株)製)
V-65:2,2’-アゾビス(2,4-ジメチルバレロニトリル)(和光純薬工業(株)製)
MEDG:ジエチレングリコールエチルメチルエーテル(東邦化学工業(株)製、ハイソルブEDM-S)
PGMEA:メトキシプロピルアセテート(昭和電工(株)製) In the following synthesis examples, the following symbols represent the following compounds, respectively.
MATHF: tetrahydrofuran-2-yl methacrylate (synthetic product)
MAEVE: 1-ethoxyethyl methacrylate (manufactured by Wako Pure Chemical Industries, Ltd.)
MACHOE: 1- (cyclohexyloxy) ethyl methacrylate (synthetic product)
MATHP: Tetrahydro-2H-pyran-2-yl methacrylate (manufactured by Shin-Nakamura Chemical Co., Ltd.)
PHSEVE: 1-ethoxyethyl group protected product of p-hydroxystyrene (synthetic product)
GMA: Glycidyl methacrylate (manufactured by Wako Pure Chemical Industries, Ltd.)
OXE-30: Methacrylic acid (3-ethyloxetane-3-yl) methyl (Osaka Organic Chemical Industry Co., Ltd.)
NBMA: n-butoxymethylacrylamide (Mitsubishi Rayon Co., Ltd.)
MAA: Methacrylic acid (manufactured by Wako Pure Chemical Industries, Ltd.)
HOMeSt: p-hydroxy-α-methylstyrene (manufactured by Mitsui Chemicals, Inc.)
HEMA: 2-hydroxyethyl methacrylate (manufactured by Wako Pure Chemical Industries, Ltd.)
MMA: Methyl methacrylate (Wako Pure Chemical Industries, Ltd.)
St: Styrene (Wako Pure Chemical Industries, Ltd.)
DCPM: Dicyclopentanyl methacrylate (manufactured by Hitachi Chemical Co., Ltd.)
V-601: Dimethyl-2,2′-azobis (2-methylpropionate) (manufactured by Wako Pure Chemical Industries, Ltd.)
V-65: 2,2′-azobis (2,4-dimethylvaleronitrile) (manufactured by Wako Pure Chemical Industries, Ltd.)
MEDG: Diethylene glycol ethyl methyl ether (Hisolv EDM-S, manufactured by Toho Chemical Industry Co., Ltd.)
PGMEA: Methoxypropyl acetate (manufactured by Showa Denko KK)
メタクリル酸(86g、1mol)を15℃に冷却しておき、カンファースルホン酸(4.6g,0.02mol)添加した。その溶液に、2-ジヒドロフラン(71g、1mol、1.0当量)を滴下した。1時間撹拌した後に、飽和炭酸水素ナトリウム(500mL)を加え、酢酸エチル(500mL)で抽出し、硫酸マグネシウムで乾燥後、不溶物をろ過後40℃以下で減圧濃縮し、残渣の黄色油状物を減圧蒸留して沸点(bp.)54~56℃/3.5mmHg留分のメタクリル酸テトラヒドロ-2H-フラン-2-イル(MATHF)125gを無色油状物として得た(収率80%)。 <Synthesis of MATHF>
Methacrylic acid (86 g, 1 mol) was cooled to 15 ° C., and camphorsulfonic acid (4.6 g, 0.02 mol) was added. To the solution, 2-dihydrofuran (71 g, 1 mol, 1.0 equivalent) was added dropwise. After stirring for 1 hour, saturated sodium hydrogen carbonate (500 mL) was added, extracted with ethyl acetate (500 mL), dried over magnesium sulfate, filtered to insoluble matter and concentrated under reduced pressure at 40 ° C. or lower to give a yellow oily residue. Distillation under reduced pressure afforded 125 g of tetrahydro-2H-furan-2-yl methacrylate (MATHF) as a colorless oily substance (yield 80%) at a boiling point (bp.) Of 54 to 56 ° C./3.5 mmHg.
3つ口フラスコにMEDG(89g)を入れ、窒素雰囲気下において90℃に昇温した。その溶液にMAA(全単量体成分中の10mol%となる量)、HEMA(全単量体成分中の15mol%となる量)、MATHF(全単量体成分中の40mol%となる量)、MMA(全単量体成分中の15mol%となる量)、GMA(全単量体成分中の3mol%に相当)、St(全単量体成分中の17mol%に相当)、V-65(全単量体成分の合計100mol%に対して3mol%に相当)を溶解させ、2時間かけて滴下した。滴下終了後2時間撹拌し、反応を終了させた。それにより重合体A-1を得た。なお、MEDGとその他の成分の合計量の比を60:40とした。即ち、固形分濃度40質量%の重合体溶液を調製した。
使用するモノマーの種類、重合開始剤等を下記表に示す通りに変更し、他の重合体A2~A18を合成した。仕込み単量体の組成を表1及び表2に示す。 <Synthesis Example of Polymer A-1>
MEDG (89 g) was placed in a three-necked flask and heated to 90 ° C. in a nitrogen atmosphere. MAA (amount to be 10 mol% in all monomer components), HEMA (amount to be 15 mol% in all monomer components), MATHF (amount to be 40 mol% in all monomer components) MMA (amount corresponding to 15 mol% in all monomer components), GMA (corresponding to 3 mol% in all monomer components), St (corresponding to 17 mol% in all monomer components), V-65 (Equivalent to 3 mol% with respect to 100 mol% in total of all monomer components) was dissolved and added dropwise over 2 hours. After completion of the dropwise addition, the reaction was terminated by stirring for 2 hours. Thereby, a polymer A-1 was obtained. The ratio of the total amount of MEDG and other components was 60:40. That is, a polymer solution having a solid content of 40% by mass was prepared.
The types of monomers used, polymerization initiators, etc. were changed as shown in the following table, and other polymers A2 to A18 were synthesized. Tables 1 and 2 show the compositions of the charged monomers.
固形分濃度は、以下の式により算出できる。
固形分濃度:モノマー重量/(モノマー重量+溶剤重量)×100(単位:質量%)
また、開始剤として、V-601を用いた場合は反応温度を90℃とし、V-65を用いた場合は反応温度を70℃とした。 In the above table, the numerical values without particular units are in mol%. Moreover, the numerical value of a polymerization initiator is mol% when a monomer component is 100 mol%.
The solid content concentration can be calculated by the following equation.
Solid content concentration: monomer weight / (monomer weight + solvent weight) × 100 (unit: mass%)
When V-601 was used as an initiator, the reaction temperature was 90 ° C., and when V-65 was used, the reaction temperature was 70 ° C.
下記表記載の固形分比となるように、重合体成分、光酸発生剤、架橋剤、増感剤、塩基性化合物、アルコキシシラン化合物、界面活性剤、及びその他の成分を溶剤(MEDG)に固形分濃度20%になるまで溶解混合し、口径0.2μmのポリテトラフルオロエチレン製フィルターでろ過して、各種実施例及び比較例の硬化性組成物を得た。なお、表中の添加量は、質量%である。 <Preparation of curable composition>
The polymer component, photoacid generator, crosslinking agent, sensitizer, basic compound, alkoxysilane compound, surfactant, and other components in the solvent (MEDG) so as to have the solid content ratio shown in the following table It melt-mixed until it became 20% of solid content concentration, and it filtered with the filter made from a polytetrafluoroethylene with a diameter of 0.2 micrometer, and obtained the curable composition of various Examples and a comparative example. In addition, the addition amount in a table | surface is the mass%.
<重合体成分>
A-1~A-18:上記合成例に従って合成した重合体 The details of the abbreviations indicating the respective compounds used in Examples and Comparative Examples are as follows.
<Polymer component>
A-1 to A-18: Polymer synthesized according to the above synthesis example
B-1:下記に示す構造(合成例を後述する。) <Photo acid generator>
B-1: Structure shown below (synthesis example will be described later)
1-アミノ-2-ナフトール塩酸塩4.0gをN-メチルピロリドン16gに懸濁させ、炭酸水素ナトリウム3.4gを添加後、4,4-ジメチル-3-オキソ吉草酸メチル4.9gを滴下し、窒素雰囲気下120℃で2時間加熱した。放冷後、反応混合液に水、酢酸エチルを添加して分液し、有機相を硫酸マグネシウムで乾燥し、ろ過、濃縮して粗B-1Aを得た。粗B-1Aをシリカゲルカラムクロマトグラフィー精製して、中間体B-1Aを1.7g得た。
B-1A(1.7g)とp-キシレン(6mL)を混合し、p-トルエンスルホン酸一水和物0.23gを添加して140℃で2時間加熱した。放冷後、反応混合液に水、酢酸エチルを添加して分液し、有機相を硫酸マグネシウムで乾燥後、ろ過、濃縮して粗B-1Bを得た。
THF(2mL)と粗B-1B全量を混合し、氷冷下2M塩酸/THF溶液6.0mL、次いで亜硝酸イソペンチル(0.84g)を滴下し、室温(25℃)まで昇温後2時間撹拌した。得られた反応混合物に水、酢酸エチルを添加して分液し、有機層を水で洗浄後、硫酸マグネシウムで乾燥し、ろ過、濃縮して中間体粗B-1Cを得た。
中間体粗B-1C全量をアセトン(10mL)と混合し、氷冷下でトリエチルアミン(1.2g)、p-トルエンスルホニルクロリド(1.4g)を添加後、室温まで昇温して1時間撹拌した。得られた反応混合液に水、酢酸エチルを添加して分液し、有機相を硫酸マグネシウムで乾燥後、ろ過、濃縮して粗B-1を得た。粗B-1を冷メタノールでリスラリー後、ろ過、乾燥してB-1(1.2g)を得た。
なお、B-1の1H-NMRスペクトル(300MHz、CDCl3)は、δ=8.5-8.4(m,1H),8.0-7.9(m,4H),7.7-7.6(m,2H),7.6-7.5(m,1H),7.4(d.2H),2.4(s,3H),1.4(s,9H)であった。 <Synthesis of B-1>
4.0 g of 1-amino-2-naphthol hydrochloride is suspended in 16 g of N-methylpyrrolidone, 3.4 g of sodium bicarbonate is added, and then 4.9 g of
B-1A (1.7 g) and p-xylene (6 mL) were mixed, 0.23 g of p-toluenesulfonic acid monohydrate was added, and the mixture was heated at 140 ° C. for 2 hours. After allowing to cool, water and ethyl acetate were added to the reaction mixture and the phases were separated. The organic phase was dried over magnesium sulfate, filtered and concentrated to obtain crude B-1B.
THF (2 mL) and the entire amount of crude B-1B were mixed, and 2 mL hydrochloric acid / THF solution 6.0 mL was added dropwise under ice cooling, followed by dropwise addition of isopentyl nitrite (0.84 g), and the temperature was raised to room temperature (25 ° C.) for 2 hours. Stir. Water and ethyl acetate were added to the obtained reaction mixture for liquid separation, and the organic layer was washed with water, dried over magnesium sulfate, filtered and concentrated to obtain a crude intermediate B-1C.
The total amount of intermediate crude B-1C was mixed with acetone (10 mL), triethylamine (1.2 g) and p-toluenesulfonyl chloride (1.4 g) were added under ice cooling, and the mixture was warmed to room temperature and stirred for 1 hour. did. Water and ethyl acetate were added to the obtained reaction mixture to separate it, and the organic phase was dried over magnesium sulfate, filtered and concentrated to obtain crude B-1. Crude B-1 was reslurried with cold methanol, filtered and dried to obtain B-1 (1.2 g).
The 1 H-NMR spectrum (300 MHz, CDCl 3 ) of B-1 is δ = 8.5-8.4 (m, 1H), 8.0-7.9 (m, 4H), 7.7. -7.6 (m, 2H), 7.6-7.5 (m, 1H), 7.4 (d. 2H), 2.4 (s, 3H), 1.4 (s, 9H) there were.
2-ナフトール(10g)、クロロベンゼン(30mL)の懸濁溶液に塩化アルミニウム(10.6g)、2-クロロプロピオニルクロリド(10.1g)を添加し、混合液を40℃に加熱して2時間反応させた。氷冷下、反応液に4NHCl水溶液(60mL)を滴下し、酢酸エチル(50mL)を添加して分液した。有機層に炭酸カリウム(19.2g)を加え、40℃で1時間反応させた後、2NHCl水溶液(60mL)を添加して分液し、有機層を濃縮後、結晶をジイソプロピルエーテル(10mL)でリスラリーし、ろ過、乾燥してケトン化合物(6.5g)を得た。
得られたケトン化合物(3.0g)、メタノール(30mL)の懸濁溶液に酢酸(7.3g)、50質量%ヒドロキシルアミン水溶液(8.0g)を添加し、加熱還流した。放冷後、水(50mL)を加え、析出した結晶をろ過、冷メタノール洗浄後、乾燥してオキシム化合物(2.4g)を得た。
得られたオキシム化合物(1.8g)をアセトン(20mL)に溶解させ、氷冷下トリエチルアミン(1.5g)、p-トルエンスルホニルクロリド(2.4g)を添加し、室温に昇温して1時間反応させた。反応液に水(50mL)を添加し、析出した結晶をろ過後、メタノール(20mL)でリスラリーし、ろ過、乾燥してB-2(2.3g)を得た。
なお、B-2の1H-NMRスペクトル(300MHz、CDCl3)は、δ=8.3(d,1H),8.0(d,2H),7.9(d,1H),7.8(d,1H),7.6(dd,1H),7.4(dd,1H)7.3(d,2H),7.1(d.1H),5.6(q,1H),2.4(s,3H),1.7(d,3H)であった。 <Synthesis of B-2>
Aluminum chloride (10.6 g) and 2-chloropropionyl chloride (10.1 g) were added to a suspension of 2-naphthol (10 g) and chlorobenzene (30 mL), and the mixture was heated to 40 ° C. for 2 hours. I let you. Under ice-cooling, 4N HCl aqueous solution (60 mL) was added dropwise to the reaction solution, and ethyl acetate (50 mL) was added for liquid separation. Potassium carbonate (19.2 g) was added to the organic layer, reacted at 40 ° C. for 1 hour, 2N HCl aqueous solution (60 mL) was added and separated, and the organic layer was concentrated, and the crystals were diluted with diisopropyl ether (10 mL). The slurry was reslurried, filtered and dried to obtain a ketone compound (6.5 g).
Acetic acid (7.3 g) and a 50 mass% aqueous hydroxylamine solution (8.0 g) were added to a suspension of the obtained ketone compound (3.0 g) and methanol (30 mL), and the mixture was heated to reflux. After allowing to cool, water (50 mL) was added, and the precipitated crystals were filtered, washed with cold methanol, and dried to obtain an oxime compound (2.4 g).
The obtained oxime compound (1.8 g) was dissolved in acetone (20 mL), triethylamine (1.5 g) and p-toluenesulfonyl chloride (2.4 g) were added under ice cooling, and the temperature was raised to room temperature. Reacted for hours. Water (50 mL) was added to the reaction solution, and the precipitated crystals were filtered, reslurried with methanol (20 mL), filtered and dried to obtain B-2 (2.3 g).
Note that the 1 H-NMR spectrum (300 MHz, CDCl 3 ) of B-2 is δ = 8.3 (d, 1H), 8.0 (d, 2H), 7.9 (d, 1H), 7. 8 (d, 1H), 7.6 (dd, 1H), 7.4 (dd, 1H) 7.3 (d, 2H), 7.1 (d.1H), 5.6 (q, 1H) , 2.4 (s, 3H), 1.7 (d, 3H).
撹拌器及び温度計を装着したセパラブルフラスコにN―ヒドロキシナフタルイミドナトリウム塩 33.6g、4-ジメチルアミノピリジン 0.72g、テトラヒドロフラン 300ミリリットルを仕込み、室温25℃下で撹拌し溶解させた。次いで、(+)10-カンファースルホニルクリライド 42gを加えて3時間撹拌した後、トリエチルアミン 15gを加えた後、室温下で10時間撹拌した。次いで、蒸留水 300ミリリットル中に反応溶液を入れ、析出した沈殿をろ別した。この沈殿をアセトンとヘキサンを用いて再沈殿処理を数回繰り返し、B-5(12g)を得た。 <Synthesis of B-5>
A separable flask equipped with a stirrer and a thermometer was charged with 33.6 g of N-hydroxynaphthalimide sodium salt, 0.72 g of 4-dimethylaminopyridine, and 300 ml of tetrahydrofuran, and dissolved by stirring at room temperature of 25 ° C. Next, 42 g of (+) 10-camphorsulfonyl chloride was added and stirred for 3 hours, and then 15 g of triethylamine was added, followed by stirring at room temperature for 10 hours. Subsequently, the reaction solution was put into 300 ml of distilled water, and the deposited precipitate was separated by filtration. This precipitation was reprecipitated several times using acetone and hexane to obtain B-5 (12 g).
C-1:デナコールEX-321L(ナガセケムテックス(株)製)
C-2:セロキサイド2021P((株)ダイセル製)
C-3:アロンオキセタンOXT-221(東亞合成(株)製)
C-4:デュラネート17B-60P(旭化成ケミカルズ(株)製)
C-5:タケネートB-870N(三井化学(株)製)
C-6:ニカラックMW-100LM((株)三和ケミカル製) [(C) Crosslinking agent]
C-1: Denacol EX-321L (manufactured by Nagase ChemteX Corporation)
C-2: Celoxide 2021P (manufactured by Daicel Corporation)
C-3: Aron Oxetane OXT-221 (manufactured by Toagosei Co., Ltd.)
C-4: Duranate 17B-60P (Asahi Kasei Chemicals Corporation)
C-5: Takenate B-870N (Mitsui Chemicals)
C-6: Nikarac MW-100LM (manufactured by Sanwa Chemical Co., Ltd.)
(増感剤)
E-1:9,10-ジブトキシアントラセン(川崎化成工業(株)製) [Other ingredients]
(Sensitizer)
E-1: 9,10-Dibutoxyanthracene (manufactured by Kawasaki Kasei Kogyo Co., Ltd.)
F-1:下記構造の化合物(DSP五協フード&ケミカル(株)製) (Basic compound)
F-1: Compound having the following structure (made by DSP Gokyo Food & Chemical Co., Ltd.)
F-3:2,4,5-トリフェニルイミダゾール(東京化成工業(株)製)
F-4:アデカスタブLA-52((株)ADEKA製) F-2: Diazabicyclononene (manufactured by Tokyo Chemical Industry Co., Ltd.)
F-3: 2,4,5-triphenylimidazole (manufactured by Tokyo Chemical Industry Co., Ltd.)
F-4: ADK STAB LA-52 (manufactured by ADEKA Corporation)
G-1:γ-グリシドキシプロピルトリメトキシシラン(KBM-403:信越化学工業(株)製)
G-2:ビス(トリエトキシシリルプロピル)テトラスルフィド(KBE-846、信越化学工業(株)製)
G-3:デシルトリメトキシシラン(KBM-3103、信越化学工業(株)製) (Alkoxysilane compound)
G-1: γ-glycidoxypropyltrimethoxysilane (KBM-403: manufactured by Shin-Etsu Chemical Co., Ltd.)
G-2: Bis (triethoxysilylpropyl) tetrasulfide (KBE-846, manufactured by Shin-Etsu Chemical Co., Ltd.)
G-3: Decyltrimethoxysilane (KBM-3103, manufactured by Shin-Etsu Chemical Co., Ltd.)
H-1:下記構造式で示されるパーフルオロアルキル基含有ノニオン界面活性剤(F-554,DIC(株)製) (Surfactant)
H-1: Perfluoroalkyl group-containing nonionic surfactant represented by the following structural formula (F-554, manufactured by DIC Corporation)
I-1:イルガノックス1035(BASF製) (Other additives)
I-1: Irganox 1035 (manufactured by BASF)
表3~表10に示す硬化性組成物により、TFT基板上に有機膜を形成した後、無機膜として、ITO又はSiNxのいずれかを形成し、さらにレジスト層を形成した、実施例1~84及び比較例1~68の試料を調製した。続いてこれらの各実施例又は各比較例の試料について、表11~18に示す組成を有する剥離液組成物により、レジスト層の剥離除去を行って、レジスト層残渣(エッチング残渣)の評価を行った。
使用した剥離液組成物は下記のように調製した。また、感度、剥離液耐性、及び、エッチング残渣は、後記のように評価した。 <Examples 1 to 84 and Comparative Examples 1 to 68>
Examples 1 to 84, in which an organic film was formed on a TFT substrate with the curable compositions shown in Tables 3 to 10, and then either ITO or SiNx was formed as an inorganic film, and a resist layer was further formed. Samples of Comparative Examples 1 to 68 were prepared. Subsequently, with respect to the samples of these Examples or Comparative Examples, the resist layer was stripped and removed by the stripping solution compositions having the compositions shown in Tables 11 to 18, and the resist layer residue (etching residue) was evaluated. It was.
The stripping solution composition used was prepared as follows. In addition, sensitivity, stripping solution resistance, and etching residue were evaluated as described below.
下記表記載の比率となるように、アミン化合物、(II-1)で表される化合物、下記式(II-2)で表される化合物、水を混合して、各種実施例及び比較例の剥離液組成物を得た。なお、表中の添加量は、質量%である。 <Preparation of stripping solution composition>
A mixture of an amine compound, a compound represented by (II-1), a compound represented by the following formula (II-2), and water so that the ratio described in the following table was obtained. A stripping solution composition was obtained. In addition, the addition amount in a table | surface is the mass%.
S-1-1:モノエタノールアミン
S-1-2:N-プロパノールアミン
S-1-3:モノイソプロパノールアミン
S-1-4:2-(2-アミノエトキシエタノール)
S-1-5:モノメチルエタノールアミン
S-1-6:N,N-ジエチルヒドロキシルアミン
S-1-7:トリエチレンテトラミン
S-2-1:N-メチルピロリドン
S-2-2:1-(ヒドロキシメチル)-2-ピロリジノン
S-2-3:ジメチルアセトアミド
S-2-4:N-メチルホルムアミド
S-2-5:ジメチルホルムアミド
S-3-1:ジエチレングリコールモノブチルエーテル
S-3-2:ジプロプレングリコールメチルエーテル The details of the abbreviations indicating the respective compounds used in Examples and Comparative Examples are as follows.
S-1-1: monoethanolamine S-1-2: N-propanolamine S-1-3: monoisopropanolamine S-1-4: 2- (2-aminoethoxyethanol)
S-1-5: Monomethylethanolamine S-1-6: N, N-diethylhydroxylamine S-1-7: Triethylenetetramine S-2-1: N-methylpyrrolidone S-2-2: 1- ( Hydroxymethyl) -2-pyrrolidinone S-2-3: Dimethylacetamide S-2-4: N-Methylformamide S-2-5: Dimethylformamide S-3-1: Diethylene glycol monobutyl ether S-3-2: Diproprene Glycol methyl ether
ガラス基板(EAGLE XG、10cm×10cm、0.7mm厚(コーニング社製))を、ヘキサメチルジシラザン(HMDS)蒸気下に30秒曝し、各硬化性組成物をスピンコート塗布した後、90℃/120秒ホットプレート上でプリベークして溶剤を揮発させ、膜厚3.0μmの硬化性組成物層を形成した。
次に、得られた硬化性組成物層を、キヤノン(株)製 MPA 5500CF(高圧水銀灯)を用いて、所定のマスクを介して露光した。そして、露光後の硬化性組成物層を、アルカリ現像液(0.4%のテトラメチルアンモニウムヒドロキシド水溶液)で23℃/60秒間現像した後、超純水で20秒リンスした。これらの操作により5μmのホールを解像する時の最適i線露光量(Eopt)を感度とした。感度の数値が小さいほど好ましく、A、B及びCが実用上問題のないレベルである。
A:150mJ/cm2未満
B:150mJ/cm2以上、250mJ/cm2未満
C:250mJ/cm2以上、450mJ/cm2未満
D:450mJ/cm2以上、800mJ/cm2未満
E:800mJ/cm2以上、もしくはホールを解像できなかった <Evaluation of sensitivity>
A glass substrate (EAGLE XG, 10 cm × 10 cm, 0.7 mm thickness (manufactured by Corning)) was exposed to hexamethyldisilazane (HMDS) vapor for 30 seconds, and each curable composition was applied by spin coating, followed by 90 ° C. / 120 seconds Prebaked on a hot plate to volatilize the solvent to form a curable composition layer having a thickness of 3.0 μm.
Next, the obtained curable composition layer was exposed through a predetermined mask using MPA 5500CF (high-pressure mercury lamp) manufactured by Canon Inc. The curable composition layer after the exposure was developed with an alkali developer (0.4% tetramethylammonium hydroxide aqueous solution) at 23 ° C./60 seconds, and then rinsed with ultrapure water for 20 seconds. The optimum i-line exposure (Eopt) when resolving a 5 μm hole by these operations was taken as the sensitivity. The smaller the numerical value of sensitivity, the better, and A, B, and C are levels that are not problematic in practice.
A: 150mJ / cm 2 less B: 150mJ / cm 2 or more, 250 mJ / cm 2 less than C: 250mJ / cm 2 or more, 450 mJ / cm 2 less than D: 450mJ / cm 2 or more, 800 mJ / cm 2 less than E: 800 mJ / cm 2 or more, or the hole could not be resolved
ガラス基板(EAGLE XG、10cm×10cm、0.7mm厚(コーニング社製))を、ヘキサメチルジシラザン(HMDS)蒸気下に30秒曝し、各硬化性組成物をスピンコート塗布した後、90℃/120秒ホットプレート上でプリベークして溶剤を揮発させ、膜厚3μmの硬化性組成物層を形成した。続いて超高圧水銀灯を用いて積算照射量が300mJ/cm2(照度:20mW/cm2、i線)となるように全面露光し、その後、この基板をオーブンにて230℃で30分加熱して硬化膜を得た。
得られた硬化膜の膜厚(T1)を測定した。そして、この硬化膜が形成された基板を60℃に温度制御された表11~表18に記載の剥離液中に2分間浸漬させた後、浸漬後の硬化膜の膜厚(t1)を測定し、浸漬による膜厚変化率{|t1-T1|/T1}×100〔%〕を算出した。結果を下記表に示す。変化率は小さいほど好ましく、A、B及びCが実用上問題のないレベルである。
A:2%未満
B:2%以上3%未満
C:3%以上4%未満
D:4%以上6%未満
E:6%以上 <Evaluation of stripping solution resistance>
A glass substrate (EAGLE XG, 10 cm × 10 cm, 0.7 mm thickness (manufactured by Corning)) was exposed to hexamethyldisilazane (HMDS) vapor for 30 seconds, and each curable composition was applied by spin coating, followed by 90 ° C. / 120 seconds Prebaked on a hot plate to volatilize the solvent to form a curable composition layer having a thickness of 3 μm. Subsequently, the whole surface was exposed using an ultra-high pressure mercury lamp so that the integrated irradiation amount was 300 mJ / cm 2 (illuminance: 20 mW / cm 2 , i-line), and then the substrate was heated in an oven at 230 ° C. for 30 minutes. Thus, a cured film was obtained.
The film thickness (T 1 ) of the obtained cured film was measured. Then, the substrate on which this cured film was formed was immersed in the stripping solution described in Tables 11 to 18 whose temperature was controlled at 60 ° C. for 2 minutes, and then the thickness (t 1 ) of the cured film after immersion was determined. The film thickness change rate {| t 1 −T 1 | / T 1 } × 100 [%] by immersion was calculated. The results are shown in the table below. The smaller the change rate, the better. A, B, and C are at a level causing no practical problem.
A: Less than 2% B: 2% or more and less than 3% C: 3% or more and less than 4
ガラス基板(EAGLE XG、10cm×10cm、0.7mm厚(コーニング社製))を、ヘキサメチルジシラザン(HMDS)蒸気下に30秒曝し、各硬化性組成物をスピンコート塗布した後、90℃/120秒ホットプレート上でプリベークして溶剤を揮発させ、膜厚3μmの硬化性組成物層を形成した。続いて超高圧水銀灯を用いて積算照射量が300mJ/cm2(照度:20mW/cm2、i線)となるように全面露光し、その後、この基板をオーブンにて230℃で30分加熱して硬化膜を得た。
さらに上記硬化性組成物層の上に透明電極(ITO)薄膜を成膜し、さらにITOの上にエッチングレジスト組成物(AZ ELECTRONICS MATERIALS製 AZ-1500)をスピンコート塗布した後、90℃/120秒ホットプレート上でプリベークして溶剤を揮発させ、膜厚1.3μmのエッチングレジスト層を形成した。次に、得られたエッチングレジスト層を、10μmライン/10μmスペースを再現することのできるマスクを介して、超高圧水銀灯を用いて積算照射量40mJ/cm2(照度:20mW/cm2、i線)露光した後、アルカリ現像液(2.38%のテトラメチルアンモニウムヒドロキシド水溶液)で23℃/60秒間現像し、続けて超純水で60秒リンスした。さらに得られた基板をITOエッチャント(3.4%シュウ酸水溶液)に50℃/120秒浸漬した。得られた基板を40℃に温度制御された表11~表18に記載の剥離液中に120秒間浸漬させた後、超純水で10秒リンスした。これらの操作により得られた基板を光学顕微鏡で観察し、上記硬化性組成物層表面のエッチングレジストの残渣を観察した。その結果を下記表に示した。残渣の個数が少ないほど好ましく、A、B及びCが実用上問題のないレベルである。
A:エッチングレジストが剥離でき、10cm×10cm基板内の上記硬化性組成物層表面のエッチングレジストの残渣が無い
B:エッチングレジストが剥離でき、10cm×10cm基板内の上記硬化性組成物層表面のエッチングレジストの残渣が1~2個
C:エッチングレジストが剥離でき、10cm×10cm基板内の上記硬化性組成物層表面のエッチングレジストの残渣が3~5個
D:エッチングレジストが剥離でき、10cm×10cm基板内の上記硬化性組成物層表面のエッチングレジストの残渣が6~9個
E:エッチングレジストが剥離でき、10cm×10cm基板内の上記硬化性組成物層表面のエッチングレジストの残渣が10個以上
F:エッチングレジストが剥離できない <Etching resist residue (etching residue) and peelability evaluation: ITO>
A glass substrate (EAGLE XG, 10 cm × 10 cm, 0.7 mm thickness (manufactured by Corning)) was exposed to hexamethyldisilazane (HMDS) vapor for 30 seconds, and each curable composition was applied by spin coating, followed by 90 ° C. / 120 seconds Prebaked on a hot plate to volatilize the solvent to form a curable composition layer having a thickness of 3 μm. Subsequently, the whole surface was exposed using an ultra-high pressure mercury lamp so that the integrated irradiation amount was 300 mJ / cm 2 (illuminance: 20 mW / cm 2 , i-line), and then the substrate was heated in an oven at 230 ° C. for 30 minutes. Thus, a cured film was obtained.
Further, a transparent electrode (ITO) thin film was formed on the curable composition layer, and an etching resist composition (AZ-1500 made by AZ ELECTRONICS MATERIALS) was spin-coated on ITO, and then 90 ° C./120 Pre-baked on a second hot plate to volatilize the solvent to form an etching resist layer having a thickness of 1.3 μm. Next, the obtained etching resist layer is subjected to an integrated irradiation amount of 40 mJ / cm 2 (illuminance: 20 mW /
A: The etching resist can be removed, and there is no residue of the etching resist on the surface of the curable composition layer in the 10 cm × 10 cm substrate. B: The etching resist can be removed, and the surface of the curable composition layer in the 10 cm × 10 cm substrate. Etching resist residue is 1 to 2 pieces C: The etching resist can be peeled off, and the etching resist residue on the surface of the curable composition layer in the 10 cm × 10 cm substrate is 3 to 5 pieces D: The etching resist can be peeled off and 10 cm × 6 to 9 etching resist residues on the surface of the curable composition layer in the 10 cm substrate E: The etching resist can be peeled off, and 10 etching resist residues on the surface of the curable composition layer in the 10 cm × 10 cm substrate can be removed. F: Etching resist cannot be removed
ガラス基板(EAGLE XG、10cm×10cm、0.7mm厚(コーニング社製))を、ヘキサメチルジシラザン(HMDS)蒸気下に30秒曝し、各硬化性組成物をスピンコート塗布した後、90℃/120秒ホットプレート上でプリベークして溶剤を揮発させ、膜厚3μmの硬化性組成物層を形成した。続いて超高圧水銀灯を用いて積算照射量が300mJ/cm2(照度:20mW/cm2、i線)となるように全面露光し、その後、この基板をオーブンにて230℃で30分加熱して硬化膜を得た。
さらに上記硬化性組成物層の上に無機絶縁膜(SiNx)薄膜を成膜し、さらにSiNxの上にエッチングレジスト組成物(AZ ELECTRONICS MATERIALS製 AZ-1500)をスピンコート塗布した後、90℃/120秒ホットプレート上でプリベークして溶剤を揮発させ、膜厚1.3μmのエッチングレジスト層を形成した。次に、得られたエッチングレジスト層を、10μmライン/10μmスペースを再現することのできるマスクを介して、超高圧水銀灯を用いて積算照射量40mJ/cm2(照度:20mW/cm2、i線)露光した後、アルカリ現像液(2.38%のテトラメチルアンモニウムヒドロキシド水溶液)で23℃/60秒間現像し、続けて超純水で60秒リンスした。さらに得られた基板をITOエッチャント(3.4%シュウ酸水溶液)に50℃/120秒浸漬した。得られた基板を40℃に温度制御された表11~表18に記載の剥離液中に120秒間浸漬させた後、超純水で10秒リンスした。これらの操作により得られた基板を光学顕微鏡で観察し、上記硬化性組成物層表面のエッチングレジストの残渣を観察した。その結果を上記の表に示した。残渣の個数が少ないほど好ましく、A、B及びCが実用上問題のないレベルである。A~Fのレベルは、ITOに対する上記のA~Fと同じである。 <Etching Resist Residue (Etching Residue) and Stripping Removability Evaluation: SiNx>
A glass substrate (EAGLE XG, 10 cm × 10 cm, 0.7 mm thickness (manufactured by Corning)) was exposed to hexamethyldisilazane (HMDS) vapor for 30 seconds, and each curable composition was applied by spin coating, followed by 90 ° C. / 120 seconds Prebaked on a hot plate to volatilize the solvent to form a curable composition layer having a thickness of 3 μm. Subsequently, the whole surface was exposed using an ultra-high pressure mercury lamp so that the integrated irradiation amount was 300 mJ / cm 2 (illuminance: 20 mW / cm 2 , i-line), and then the substrate was heated in an oven at 230 ° C. for 30 minutes. Thus, a cured film was obtained.
Further, an inorganic insulating film (SiNx) thin film is formed on the curable composition layer, and an etching resist composition (AZ-1500 made by AZ ELECTRONICS MATERIALS) is spin-coated on SiNx, followed by 90 ° C. / Pre-baking was performed on a hot plate for 120 seconds to volatilize the solvent, and an etching resist layer having a film thickness of 1.3 μm was formed. Next, the obtained etching resist layer is subjected to an integrated irradiation dose of 40 mJ / cm 2 (illuminance: 20 mW / cm 2 , i-line) using an ultrahigh pressure mercury lamp through a mask capable of reproducing a 10 μm line / 10 μm space. After exposure, the resist film was developed with an alkali developer (2.38% tetramethylammonium hydroxide aqueous solution) at 23 ° C./60 seconds, and then rinsed with ultrapure water for 60 seconds. Further, the obtained substrate was immersed in an ITO etchant (3.4% oxalic acid aqueous solution) at 50 ° C./120 seconds. The obtained substrate was immersed in a stripping solution described in Table 11 to Table 18 controlled at 40 ° C. for 120 seconds and then rinsed with ultrapure water for 10 seconds. The board | substrate obtained by these operation was observed with the optical microscope, and the residue of the etching resist of the said curable composition layer surface was observed. The results are shown in the above table. The smaller the number of residues, the better. A, B, and C are at a level that does not cause any practical problems. The levels of A to F are the same as A to F above for ITO.
加えて、本発明のTFT基板の製造方法では、硬化性組成物から得られる硬化膜は、感度も高く、剥離液耐性に優れるというメリットがある。 As is apparent from the above results, the combination of the curable composition and the stripping solution composition is excellent in the stripping solution resistance of the cured film (organic insulating film) of the curable composition and removes the etching resist on the inorganic film from the stripping solution composition. It has been found that there is little etching resist residue on the surface of the cured film after peeling by etching, and the etching resist can be peeled well.
In addition, in the method for producing a TFT substrate of the present invention, the cured film obtained from the curable composition has the advantages of high sensitivity and excellent stripping solution resistance.
特許第3321003号公報の図1に記載のアクティブマトリクス型液晶表示装置において、層間絶縁膜として硬化膜17を以下のようにして形成し、実施例101の液晶表示装置を得た。すなわち、実施例1の硬化性組成物を用い、層間絶縁膜として硬化膜17を形成した。さらに硬化膜17の上層の画素電極4をエッチングレジストを介してパターニングを行い、前記エッチングレジストを実施例1の剥離液組成物を用いて剥離除去した。 <Example 101>
In the active matrix liquid crystal display device described in FIG. 1 of Japanese Patent No. 3321003, a cured
実施例101と以下の塗布プロセスのみ変更して、同様の液晶表示装置を得た。すなわち、実施例1の硬化性組成物をスリットコート法にて塗布した後、90℃/120秒ホットプレート上で加熱により溶剤を除去し、膜厚3.0μmの硬化性組成物層を形成した。得られた塗膜は、平坦でムラの無い良好な面状であった。また液晶表示装置としての性能も実施例103と同様に良好であった。 <Example 102>
A liquid crystal display device similar to that of Example 101 was changed to obtain the same liquid crystal display device. That is, after applying the curable composition of Example 1 by the slit coat method, the solvent was removed by heating on a hot plate at 90 ° C./120 seconds to form a curable composition layer having a thickness of 3.0 μm. . The obtained coating film was flat and had a good surface shape without unevenness. Further, the performance as a liquid crystal display device was as good as in Example 103.
薄膜トランジスター(TFT)を用いた有機EL表示装置を以下の方法で作製した(図1参照)。
ガラス基板6上にボトムゲート型のTFT1を形成し、このTFT1を覆う状態でSi3N4から成る絶縁膜3を形成した。次に、この絶縁膜3に、ここでは図示を省略したコンタクトホールを形成した後、このコンタクトホールを介してTFT1に接続される配線2(高さ1.0μm)を絶縁膜3上に形成した。この配線2は、TFT1間又は、後の工程で形成される有機EL素子とTFT1とを接続するためのものである。 <Example 103>
An organic EL display device using a thin film transistor (TFT) was produced by the following method (see FIG. 1).
A bottom
硬化性組成物を塗布する際の塗布性は良好で、露光、現像、焼成の後に得られた硬化膜には、しわやクラックの発生は認められなかった。さらに、配線2の平均段差は500nm、作製した平坦化膜4の膜厚は2,000nmであった。 Further, in order to flatten the unevenness due to the formation of the
The applicability when applying the curable composition was good, and no wrinkles or cracks were observed in the cured film obtained after exposure, development and firing. Furthermore, the average step of the
2:配線
3:絶縁膜
4:平坦化膜
5:第一電極
6:ガラス基板
7:コンタクトホール
8:絶縁膜
10:液晶表示装置
12:バックライトユニット
14,15:ガラス基板
16:TFT
17:硬化膜
18:コンタクトホール
19:ITO透明電極
20:液晶
22:カラーフィルター 1: TFT (Thin Film Transistor)
2: Wiring 3: Insulating film 4: Flattened film 5: First electrode 6: Glass substrate 7: Contact hole 8: Insulating film 10: Liquid crystal display device 12:
17: Cured film 18: Contact hole 19: ITO transparent electrode 20: Liquid crystal 22: Color filter
Claims (13)
- 少なくとも下記の工程1~工程6をこの順で含むTFT基板の製造方法。
工程1:下記組成aで表される硬化性組成物を用いて、TFT素子を備える基板上に有機膜を形成する工程
工程2:前記有機膜上の少なくとも一部に無機膜を形成する工程
工程3:前記無機膜上にレジスト組成物を用いてレジスト層を形成する工程
工程4:前記レジスト層を露光及び水性現像液により現像する工程
工程5:現像された前記レジスト層を介して前記無機膜をエッチングする工程
工程6:前記レジスト層を下記組成bで表される剥離液組成物を用いて剥離除去する工程
組成a:
成分Aとして、酸基が酸分解性基で保護された基を有する構成単位a1を有する重合体1を含有する重合体成分、
成分Bとして、光酸発生剤、
成分Cとして、分子量1,000以下の架橋剤、及び、
成分Dとして、有機溶剤を含有し、
成分Aが架橋性基を有する構成単位a2を全重合体成分中に含まないか、全重合体成分中の全構成単位に対して5モル%以下の割合で含み、
成分Cの含有量が硬化性組成物の全有機固形分中の7~30質量%である
組成b:
成分Iとして、アミン化合物、並びに、
成分IIとして、下記式II-1及び/又は下記式II-2で表される化合物を含有し、
成分Iの含有量が剥離液組成物の全量に対して5~70質量%であり、
成分I及び式II-1で表される化合物の含有量合計が剥離液組成物の全量に対して50~100質量%である
Step 1: A step of forming an organic film on a substrate having a TFT element using a curable composition represented by the following composition a. Step 2: A step of forming an inorganic film on at least a part of the organic film. 3: Step of forming a resist layer using a resist composition on the inorganic film Step 4: Step of developing the resist layer with exposure and aqueous developer Step 5: The inorganic film through the developed resist layer Step 6: Step of removing the resist layer using a stripping solution composition represented by the following composition b:
As a component A, a polymer component containing a polymer 1 having a structural unit a1 having a group in which an acid group is protected with an acid-decomposable group,
As component B, a photoacid generator,
As component C, a crosslinking agent having a molecular weight of 1,000 or less, and
Component D contains an organic solvent,
Component A does not contain structural unit a2 having a crosslinkable group in all polymer components, or contains it in a proportion of 5 mol% or less with respect to all structural units in all polymer components,
Composition b in which the content of component C is 7 to 30% by mass in the total organic solid content of the curable composition:
As component I, an amine compound, and
Component II contains a compound represented by the following formula II-1 and / or the following formula II-2,
The content of component I is 5 to 70% by mass with respect to the total amount of the stripping composition,
The total content of the compound represented by Component I and Formula II-1 is 50 to 100% by mass with respect to the total amount of the stripping composition.
- 前記剥離液組成物において、式II-1で表される化合物が、N-メチルピロリドン、1-(ヒドロキシメチル)-2-ピロリジノン、ジメチルアセトアミド、N-メチルホルムアミド、ジメチルホルムアミド、又は、これらの混合物である、請求項1に記載のTFT基板の製造方法。 In the stripping composition, the compound represented by Formula II-1 is N-methylpyrrolidone, 1- (hydroxymethyl) -2-pyrrolidinone, dimethylacetamide, N-methylformamide, dimethylformamide, or a mixture thereof. The method for producing a TFT substrate according to claim 1, wherein
- 前記剥離液組成物において、式II-2で表される化合物が、ジエチレングリコールモノブチルエーテル、ジプロプレングリコールモノメチルエーテル、又は、これらの混合物である、請求項1又は2に記載のTFT基板の製造方法。 The method for producing a TFT substrate according to claim 1 or 2, wherein in the stripping composition, the compound represented by Formula II-2 is diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, or a mixture thereof.
- 前記剥離液組成物中の前記アミン化合物がヒドロキシ基を有するアミン化合物である、請求項1~3のいずれか1項に記載のTFT基板の製造方法。 The method for producing a TFT substrate according to any one of claims 1 to 3, wherein the amine compound in the stripping composition is an amine compound having a hydroxy group.
- 前記ヒドロキシ基を有するアミン化合物が、下記式I-1で表される化合物である、請求項4に記載のTFT基板の製造方法。
- 前記ヒドロキシ基を有するアミン化合物が、モノエタノールアミン、N-プロパノールアミン、モノイソプロパノールアミン、2-(2-アミノエトキシ)エタノール、モノメチルエタノールアミン、及び、N,N-ジエチルヒドロキシルアミンよりなる群から選ばれた少なくとも1種である、請求項4又は5に記載のTFT基板の製造方法。 The amine compound having a hydroxy group is selected from the group consisting of monoethanolamine, N-propanolamine, monoisopropanolamine, 2- (2-aminoethoxy) ethanol, monomethylethanolamine, and N, N-diethylhydroxylamine. The method for producing a TFT substrate according to claim 4, wherein the TFT substrate is at least one kind.
- 前記架橋剤が、分子内に2個以上のエポキシ基又はオキセタニル基を有する化合物、ブロックイソシアネート化合物、及び、アルコキシメチル基含有架橋剤よりなる群から選ばれた少なくとも1種である、請求項1~6のいずれか1項に記載のTFT基板の製造方法。 The crosslinking agent is at least one selected from the group consisting of a compound having two or more epoxy groups or oxetanyl groups in the molecule, a blocked isocyanate compound, and an alkoxymethyl group-containing crosslinking agent. 7. The method for producing a TFT substrate according to any one of 6 above.
- 前記重合体1の構成単位a1が、酸基がアセタールの形で保護された基を有する構成単位である、請求項1~7のいずれか1項に記載のTFT基板の製造方法。 The method for producing a TFT substrate according to any one of claims 1 to 7, wherein the structural unit a1 of the polymer 1 is a structural unit having a group in which an acid group is protected in the form of an acetal.
- 前記光酸発生剤が、オキシムスルホネート化合物、イミドスルホネート化合物及びオニウム塩化合物よりなる群から選ばれた少なくとも1種である、請求項1~8のいずれか1項に記載のTFT基板の製造方法。 The method for producing a TFT substrate according to any one of claims 1 to 8, wherein the photoacid generator is at least one selected from the group consisting of an oxime sulfonate compound, an imide sulfonate compound and an onium salt compound.
- 請求項1~9のいずれか1項に記載のTFT基板の製造方法を含む、有機EL表示装置の製造方法。 A method for manufacturing an organic EL display device, comprising the method for manufacturing a TFT substrate according to any one of claims 1 to 9.
- 請求項1~9のいずれか1項に記載のTFT基板の製造方法を含む、液晶表示装置の製造方法。 A method for producing a liquid crystal display device, comprising the method for producing a TFT substrate according to any one of claims 1 to 9.
- 請求項10に記載の有機EL表示装置の製造方法により製造された有機EL表示装置。 An organic EL display device manufactured by the method for manufacturing an organic EL display device according to claim 10.
- 請求項11に記載の液晶表示装置の製造方法により製造された液晶表示装置。 A liquid crystal display device manufactured by the method for manufacturing a liquid crystal display device according to claim 11.
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KR20130098909A (en) * | 2012-02-28 | 2013-09-05 | 후지필름 가부시키가이샤 | Photo-curable resin composition, method for manufacturing cured film, cured film, organic el device and liquid crystal display |
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2015
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- 2015-09-18 CN CN201580049453.6A patent/CN106687865B/en not_active Expired - Fee Related
- 2015-09-18 WO PCT/JP2015/076662 patent/WO2016052255A1/en active Application Filing
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KR20180014407A (en) * | 2016-07-30 | 2018-02-08 | 엘지디스플레이 주식회사 | Flexible display device and method of manufacturing the same |
KR102592992B1 (en) | 2016-07-30 | 2023-10-23 | 엘지디스플레이 주식회사 | Flexible display device and method of manufacturing the same |
Also Published As
Publication number | Publication date |
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CN106687865A (en) | 2017-05-17 |
CN106687865B (en) | 2020-01-03 |
KR101848330B1 (en) | 2018-04-12 |
JP6250830B2 (en) | 2017-12-20 |
TWI673578B (en) | 2019-10-01 |
KR20170039731A (en) | 2017-04-11 |
TW201614397A (en) | 2016-04-16 |
JPWO2016052255A1 (en) | 2017-04-27 |
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