WO2022260283A1 - 감광성 수지 조성물, 이를 이용한 감광성 수지막, 컬러필터 및 디스플레이 장치 - Google Patents
감광성 수지 조성물, 이를 이용한 감광성 수지막, 컬러필터 및 디스플레이 장치 Download PDFInfo
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- WO2022260283A1 WO2022260283A1 PCT/KR2022/006318 KR2022006318W WO2022260283A1 WO 2022260283 A1 WO2022260283 A1 WO 2022260283A1 KR 2022006318 W KR2022006318 W KR 2022006318W WO 2022260283 A1 WO2022260283 A1 WO 2022260283A1
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- WIPO (PCT)
- Prior art keywords
- photosensitive resin
- resin composition
- substituted
- unsubstituted
- formula
- Prior art date
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- 239000011342 resin composition Substances 0.000 title claims abstract description 79
- 229920005989 resin Polymers 0.000 title claims abstract description 75
- 239000011347 resin Substances 0.000 title claims abstract description 75
- 150000001875 compounds Chemical class 0.000 claims abstract description 82
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 55
- 150000003573 thiols Chemical class 0.000 claims abstract description 37
- 239000011230 binding agent Substances 0.000 claims abstract description 35
- 239000001055 blue pigment Substances 0.000 claims abstract description 22
- 239000003086 colorant Substances 0.000 claims abstract description 22
- 239000003999 initiator Substances 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 229920005822 acrylic binder Polymers 0.000 claims description 20
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 17
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 16
- 239000004094 surface-active agent Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 125000000524 functional group Chemical group 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- KQIGMPWTAHJUMN-UHFFFAOYSA-N 3-aminopropane-1,2-diol Chemical compound NCC(O)CO KQIGMPWTAHJUMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 description 45
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 30
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- 239000002270 dispersing agent Substances 0.000 description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 10
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- 230000000694 effects Effects 0.000 description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 7
- 125000005843 halogen group Chemical group 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
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- 230000008569 process Effects 0.000 description 7
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
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- 229920001577 copolymer Polymers 0.000 description 6
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- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 5
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
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- 239000012965 benzophenone Substances 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
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- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
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- 239000011521 glass Substances 0.000 description 4
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- 229940017219 methyl propionate Drugs 0.000 description 4
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- 239000000243 solution Substances 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
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- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 3
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- VVBLNCFGVYUYGU-UHFFFAOYSA-N 4,4'-Bis(dimethylamino)benzophenone Chemical compound C1=CC(N(C)C)=CC=C1C(=O)C1=CC=C(N(C)C)C=C1 VVBLNCFGVYUYGU-UHFFFAOYSA-N 0.000 description 2
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
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- 239000007983 Tris buffer Substances 0.000 description 2
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
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- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 2
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 description 1
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- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
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- UFOIOXZLTXNHQH-UHFFFAOYSA-N oxolane-2,3,4,5-tetracarboxylic acid Chemical compound OC(=O)C1OC(C(O)=O)C(C(O)=O)C1C(O)=O UFOIOXZLTXNHQH-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- LYXOWKPVTCPORE-UHFFFAOYSA-N phenyl-(4-phenylphenyl)methanone Chemical compound C=1C=C(C=2C=CC=CC=2)C=CC=1C(=O)C1=CC=CC=C1 LYXOWKPVTCPORE-UHFFFAOYSA-N 0.000 description 1
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- 229920001515 polyalkylene glycol Polymers 0.000 description 1
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- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
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- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 239000000376 reactant Substances 0.000 description 1
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- 238000004381 surface treatment Methods 0.000 description 1
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- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 1
- HWCKGOZZJDHMNC-UHFFFAOYSA-M tetraethylammonium bromide Chemical compound [Br-].CC[N+](CC)(CC)CC HWCKGOZZJDHMNC-UHFFFAOYSA-M 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 238000000411 transmission spectrum Methods 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- KOZCZZVUFDCZGG-UHFFFAOYSA-N vinyl benzoate Chemical compound C=COC(=O)C1=CC=CC=C1 KOZCZZVUFDCZGG-UHFFFAOYSA-N 0.000 description 1
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Images
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Definitions
- the present disclosure relates to a photosensitive resin composition, a photosensitive resin film prepared using the same, a color filter including the photosensitive resin film, and a display device including the color filter.
- a liquid crystal display device one of the display devices, has advantages of light weight, thinness, low cost, low power consumption drive, and excellent compatibility with integrated circuits, and its use range is expanding for notebook computers, monitors, and TV images.
- Such a liquid crystal display device includes a color filter in which unit pixels in which sub-pixels of red (R), green (G), and blue (B) corresponding to three primary colors of light are aggregated are repeatedly formed.
- R red
- G green
- B blue
- the color filter is made of red (R), green (G), and blue (B) dyes or pigments, and these dye materials serve to change the white light of the backlight unit into respective colors. Color characteristics are improved as the spectrum of the dye material has no unnecessary wavelengths other than the required absorption wavelength and has a narrow absorption band. In addition, it should have excellent heat resistance, light resistance, and chemical resistance that does not fade or change color under ultraviolet, acid, and base conditions exposed during the etching process of the color resist.
- One embodiment is to provide a photosensitive resin composition capable of suppressing generation of sublimable foreign substances, minimizing peeling problems, and securing pattern properties even in harsh environments of high temperature and high humidity.
- Another embodiment is to provide a photosensitive resin film prepared using the photosensitive resin composition.
- Another embodiment is to provide a color filter including the photosensitive resin film.
- Another embodiment is to provide a display device including the color filter.
- One embodiment of the present invention is (A) a binder resin; (B) a photopolymerizable compound; (C) a photopolymerization initiator; (D) a colorant comprising a blue pigment; (E) a solvent; (F) thiol-based compounds; and (G) a silane coupling agent, wherein the thiol-based compound and the silane coupling agent are each independently included in an amount of 0.1% by weight or more and less than 0.3% by weight based on the total amount of the photosensitive resin composition.
- the thiol-based compound and the silane coupling agent may be included in a weight ratio of 1:1 to 2:1.
- the thiol-based compound may include at least two or more functional groups represented by Formula 1 below at the terminal.
- L 1 and L 2 are each independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C3 to C20 cycloalkylene group, a substituted or unsubstituted C6 to C20 arylene group, or a substituted or unsubstituted C3 to C20 arylene group. It is a C2 to C20 heteroarylene group.
- the thiol-based compound may be represented by Formula 1-1 below.
- L 1 and L 2 are each independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C3 to C20 cycloalkylene group, a substituted or unsubstituted C6 to C20 arylene group, or a substituted or unsubstituted C3 to C20 arylene group. It is a C2 to C20 heteroarylene group,
- u1 and u2 are each independently an integer of 0 or 1.
- the silane coupling agent may be an amino-based silane coupling agent.
- the amino-based silane coupling agent may be represented by Formula 2 below.
- R 1 to R 3 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C1 to C20 alkoxy group,
- R 4 and R 5 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C6 to C20 aryl group,
- L 3 is a substituted or unsubstituted C1 to C20 alkylene group.
- the binder resin may include an acrylic binder resin, a cardo-based binder resin, or a combination thereof.
- the binder resin is an acrylic binder resin, and the acrylic binder resin may have a weight average molecular weight of 5000 g/mol to 15000 g/mol.
- the binder resin is an acrylic binder resin, and the acrylic binder resin may have an acid value of 80 mgKOH/g to 130 mgKOH/g.
- the photosensitive resin composition may include 5% to 20% by weight of the binder resin based on the total amount of the photosensitive resin composition; 1% to 10% by weight of the photopolymerizable compound; 0.1% to 10% by weight of the photopolymerization initiator; 5% to 50% by weight of the colorant; 30% to 70% by weight of the solvent; 0.1% to 0.29% by weight of the thiol-based compound; and 0.1 wt % to 0.29 wt % of the silane coupling agent.
- the photosensitive resin composition may include malonic acid; 3-amino-1,2-propanediol; leveling agent; fluorine-based surfactants; or a combination thereof.
- Another embodiment provides a photosensitive resin film prepared using the photosensitive resin composition.
- Another embodiment provides a color filter including the photosensitive resin film.
- Another embodiment provides a display device including the color filter.
- the photosensitive resin composition according to one embodiment can suppress sublimation in a high-temperature, high-humidity environment and at the same time secure pattern properties.
- Example 1 is a photograph of a pattern prepared from the photosensitive resin composition according to Example 1.
- Example 2 is a photograph of a pattern prepared from the photosensitive resin composition according to Example 2.
- substituted to “substituted” means that one or more hydrogen atoms in the functional group of the present invention is a halogen atom (F, Br, Cl or I), a hydroxyl group, a nitro group, a cyano group, an amino group ( NH 2 , NH(R 200 ) or N(R 201 )(R 202 ), wherein R 200 , R 201 and R 202 are the same or different from each other, and are each independently a C1 to C10 alkyl group), an amidino group, A hydrazine group, a hydrazone group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alicyclic organic group, a substituted or unsubstituted ary
- alkyl group means a C1 to C20 alkyl group, specifically means a C1 to C15 alkyl group
- cycloalkyl group means a C3 to C20 cycloalkyl group, specifically C3 to C18 cycloalkyl group
- alkoxy group means a C1 to C20 alkoxy group, specifically means a C1 to C18 alkoxy group
- aryl group means a C6 to C20 aryl group, and specifically means a C6 to C20 alkoxy group.
- alkenyl group means a C2 to C20 alkenyl group, specifically means a C2 to C18 alkenyl group
- alkylene group means a C1 to C20 alkylene group, specifically C1 to C18 alkylene group
- arylene group means a C6 to C20 arylene group, specifically a C6 to C16 arylene group.
- (meth)acrylate means both “acrylate” and “methacrylate”
- (meth)acrylic acid means “acrylic acid” and “methacrylic acid”. Which means both are possible.
- “combination” means mixing or copolymerization. Further, “copolymerization” means block copolymerization or random copolymerization, and “copolymer” means block copolymer or random copolymer.
- cardo-based resin refers to a resin in which at least one functional group selected from the group consisting of Chemical Formulas 3-1 to 3-11 is included in the backbone of the resin.
- One embodiment is (A) a binder resin; (B) a photopolymerizable compound; (C) a photopolymerization initiator; (D) a colorant comprising a blue pigment; (E) a solvent; (F) thiol-based compounds; and (G) a silane coupling agent, wherein the thiol-based compound and the silane coupling agent are each independently included in an amount of 0.1% by weight or more and less than 0.3% by weight based on the total amount of the photosensitive resin composition.
- the cause of the sublimable foreign matter is often a dispersant or pigment applied in the pigment dispersion, which is caused by a decrease in the stability of the pigment dispersion.
- a method of changing a pigment or a dispersant for securing stability of a pigment dispersion (conventional method)
- a general silane coupling agent there is an effect of enhancing adhesion with the substrate, but there is a limitation in that the effect of controlling sublimable foreign substances does not appear.
- the present inventors clearly recognized the limitations of the conventional methods as described above, and after numerous trials and errors, introduced an appropriate amount of an amino-based silane coupling agent and, due to the *-NH group in the structure of the amino-based silane coupling agent, in the pigment dispersion. Dispersion stability was secured, and since the silane group strengthened the adhesive force between the glass and the binder resin in the photoresist, the peeling property could also be satisfied at the same time.
- the photosensitive resin composition according to an embodiment includes a silane coupling agent, and at this time, the silane coupling agent is included in an amount of 0.1% by weight or more and less than 0.3% by weight relative to the total amount of the photosensitive resin composition, so that sublimable foreign substances are generated in a high temperature and high humidity environment. and peeling issues can be solved.
- the silane coupling agent is included in an amount of 0.3% by weight or more relative to the total amount of the photosensitive resin composition, it is impossible to secure CD sensitivity, and when the silane coupling agent is included in an amount of less than 0.1% by weight based on the total amount of the photosensitive resin composition, the content of the silane coupling agent is too insignificant, resulting in a silane couple.
- the desired effect may not be realized due to the addition of a ring agent.
- the silane coupling agent may be included in an amount of 0.1% to 0.29% by weight based on the total amount of the photosensitive resin composition.
- the silane coupling agent may be an amino-based silane coupling agent. If the silane coupling agent is not an amino-based silane coupling agent, generation of sublimable foreign substances in a high-temperature, high-humidity environment may not be suppressed or it may be difficult to solve the peeling problem.
- the amino-based silane coupling agent may refer to a silane coupling agent including a *-NR (R is a hydrogen atom or a C1 to C20 alkyl group) group, and may be represented by Formula 2 below.
- R is a hydrogen atom or a C1 to C20 alkyl group
- R 1 to R 3 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C1 to C20 alkoxy group,
- R 4 and R 5 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C6 to C20 aryl group,
- L 3 is a substituted or unsubstituted C1 to C20 alkylene group.
- At least one of R 4 and R 5 may be a hydrogen atom.
- amino-based silane coupling agent also has a structure different from that of Chemical Formula 2, it may not be effective in suppressing generation of sublimable foreign substances and exfoliation in a high-temperature, high-humidity environment.
- the silane coupling agent specifically the amino-based silane coupling agent represented by Formula 2, can solve sublimable foreign matter and peeling issues in a high-temperature, high-humidity environment, but has side effects such as reduced CD sensitivity and reduced chemical resistance. , Therefore, a thiol-based compound described later must be used as an amplifying agent.
- the photosensitive resin composition according to an embodiment includes a thiol-based compound in an amount of 0.1% by weight or more and less than 0.3% by weight based on the total amount of the photosensitive resin composition, thereby improving side effects caused by the use of the silane coupling agent, that is, reduction in CD sensitivity. Furthermore, the uniformity of the pattern edge portion can be secured by controlling the content of the thiol-based compound within the above range. In addition, through the use of the thiol-based compound, it is possible to greatly reduce the curing shrinkage rate and at the same time have a great effect on preventing a decrease in luminance.
- the thiol-based compound When the thiol-based compound is included in an amount of 0.3% by weight or more relative to the total amount of the photosensitive resin composition, it is impossible to secure pattern uniformity, and when the thiol-based compound is included in an amount of less than 0.1% by weight based on the total amount of the photosensitive resin composition, the content of the thiol-based compound is so insignificant that thiol The desired effect may not be realized due to the addition of the system compound.
- the thiol-based compound may be included in an amount of 0.1% to 0.29% by weight based on the total amount of the photosensitive resin composition.
- the thiol-based compound may have 2 to 10, for example, 2 to 4 thiol groups (-SH) at the terminal depending on its structure.
- the thiol-based compound may include at least two or more functional groups represented by Formula 1 below at the terminal.
- L 1 and L 2 are each independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C3 to C20 cycloalkylene group, a substituted or unsubstituted C6 to C20 arylene group, or a substituted or unsubstituted C3 to C20 arylene group. It is a C2 to C20 heteroarylene group.
- the thiol-based compound may be represented by Formula 1-1 below.
- L 1 and L 2 are each independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C3 to C20 cycloalkylene group, a substituted or unsubstituted C6 to C20 arylene group, or a substituted or unsubstituted C3 to C20 arylene group. It is a C2 to C20 heteroarylene group,
- u1 and u2 are each independently an integer of 0 or 1.
- L 1 and L 2 may each independently be a single bond or a substituted or unsubstituted C1 to C20 alkylene group.
- sulfur-containing compound examples include pentaerythritol tetrakis (3-mercaptopropionate) represented by the following formula (1a), trimethylolpropane tris (3-mercaptopropionate) represented by the following formula (1b) -Mercaptopropionate) (trimethylolpropane tris (3-mercaptopropionate)), pentaerythritol tetrakis (mercaptoacetate) represented by the following formula 1c, trimethylolpropane tris represented by the following formula 1d 2-mercaptoacetate) (trimethylolpropane tris (2-mercaptoacetate)), glycol di-3-mercaptopropionate represented by Formula 1e (Glycol di-3-mercaptopropionate), and any combination thereof selected from the group consisting of can take one
- the thiol-based compound and the silane coupling agent may be included in a weight ratio of 1:1 to 2:1.
- the thiol-based compound and the silane coupling agent are included in a weight ratio of 1:1 to 1:2 while being included in an amount of 0.1% to 0.3% by weight relative to the total amount of the photosensitive resin composition according to one embodiment, in a high-temperature, high-humidity environment Effects of suppression of generation of sublimation foreign matter, suppression of exfoliation, minimization of decrease in CD sensitivity, and improvement of chemical resistance and pattern properties can be realized at the same time.
- the binder resin may include an acrylic binder resin, a cardo-based binder resin, or a combination thereof.
- the acrylic binder resin is a copolymer of a first ethylenically unsaturated monomer and a second ethylenically unsaturated monomer copolymerizable therewith, and includes one or more acrylic repeating units.
- the first ethylenically unsaturated monomer is an ethylenically unsaturated monomer containing at least one carboxy group, and specific examples thereof include acrylic acid, methacrylic acid, maleic acid, itaconic acid, fumaric acid, or combinations thereof.
- the first ethylenically unsaturated monomer may be included in an amount of 5 wt % to 50 wt %, for example, 10 wt % to 40 wt %, based on the total amount of the acrylic binder resin.
- the second ethylenically unsaturated monomer may be an aromatic vinyl compound such as styrene, ⁇ -methylstyrene, vinyltoluene, or vinylbenzylmethyl ether; Methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, 2-hydroxy butyl (meth)acrylate, benzyl (meth)acrylate, unsaturated carboxylic acid ester compounds such as cyclohexyl (meth)acrylate and phenyl (meth)acrylate; Unsaturated carboxylic acid amino alkyl ester compounds, such as 2-aminoethyl (meth)acrylate and 2-dimethylaminoethyl (meth)acrylate; carboxylic acid vinyl ester compounds such as vinyl acetate and vinyl benzoate; unsaturated carboxylic acid glycidyl ester compounds such as glycid
- acrylic binder resin examples include (meth)acrylic acid/benzyl methacrylate copolymer, (meth)acrylic acid/benzyl methacrylate/styrene copolymer, (meth)acrylic acid/benzyl methacrylate/2-hydroxyethyl methacrylate.
- acrylate copolymer, (meth)acrylic acid/benzyl methacrylate/styrene/2-hydroxyethyl methacrylate copolymer, etc. but are not limited thereto, and may be used alone or in combination of two or more thereof. have.
- the photosensitive resin composition according to the embodiment may include an acrylic binder resin.
- the acrylic binder resin may have a weight average molecular weight of 5,000 g/mol to 15,000 g/mol.
- the photosensitive resin composition has excellent physical and chemical properties, appropriate viscosity, and excellent adhesion to a substrate when manufacturing a color filter.
- the acid value of the acrylic binder resin may be 80 mgKOH/g to 130 mgKOH/g.
- the acid value of the acrylic binder resin is within the above range, the pixel pattern resolution is excellent.
- the photosensitive resin composition according to the embodiment may be a cardo-based binder resin or a mixture of the acrylic-based binder resin and the cardo-based binder resin.
- the cardo-based binder resin may be represented by Formula 3 below.
- R 101 and R 102 are each independently a hydrogen atom or a substituted or unsubstituted (meth)acryloyloxy alkyl group
- R 103 and R 104 are each independently a hydrogen atom, a halogen atom or a substituted or unsubstituted C1 to C20 alkyl group;
- Z 1 is a single bond, O, CO, SO 2 , CR 107 R 108 , SiR 109 R 110 (where R 107 to R 110 are each independently a hydrogen atom or a substituted or unsubstituted C1 to C20 alkyl group) or the following any one of the linking groups represented by Formulas 3-1 to 3-11;
- Z 2 is an acid anhydride residue or an acid dianhydride residue
- z1 and z2 are each independently an integer of 0 to 4.
- the cardo-based binder resin may have a weight average molecular weight of 500 g/mol to 50,000 g/mol, such as 1,000 g/mol to 30,000 g/mol.
- a weight average molecular weight of the cardo-based binder resin is within the above range, a pattern can be well formed without residue during manufacture of the light shielding layer, there is no loss of film thickness during development, and a good pattern can be obtained.
- the cardo-based binder resin may include a functional group represented by Chemical Formula 4 at at least one of both terminals.
- Z 3 may be represented by Formulas 4-1 to 4-7 below.
- R h and R i are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, an ester group or an ether group.
- R j is O, S, NH, a substituted or unsubstituted C1 to C20 alkylene group, a C1 to C20 alkylamine group, or a C2 to C20 alkenylamine group.
- the cardo-based binder resin may be, for example, fluorene-containing compounds such as 9,9-bis(4-oxiranylmethoxyphenyl)fluorene; Benzenetetracarboxylic dianhydride, naphthalenetetracarboxylic dianhydride, biphenyltetracarboxylic dianhydride, benzophenonetetracarboxylic dianhydride, pyromellitic dianhydride, cyclobutanetetracarboxylic dianhydride, anhydride compounds such as rylene tetracarboxylic di-anhydride, tetrahydrofurantetracarboxylic di-anhydride, and tetrahydrophthalic anhydride; Glycol compounds, such as ethylene glycol, propylene glycol, and polyethylene glycol; alcohol compounds such as methanol, ethanol, propanol, n-butanol, cyclohexanol, and benzy
- the photosensitive resin composition has excellent developability and good sensitivity during photocuring, so that fine pattern formation is excellent.
- the binder resin may be included in an amount of 5 wt % to 20 wt %, for example, 7 wt % to 15 wt %, based on the total amount of the photosensitive resin composition.
- the binder resin is included within the above range, it is possible to obtain excellent surface smoothness due to excellent developability and improved crosslinking property during manufacture of the color filter.
- the photopolymerizable compound may be a monofunctional or multifunctional ester of (meth)acrylic acid having at least one ethylenically unsaturated double bond.
- the photopolymerizable compound has the ethylenically unsaturated double bond, so that it can form a pattern having excellent heat resistance, light resistance and chemical resistance by causing sufficient polymerization during exposure in the pattern forming process.
- the photopolymerizable compound examples include ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, neopentyl glycol di (meth)acrylate, 1,4-butanediol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, bisphenol A di(meth)acrylate, pentaerythritol di(meth)acrylate, Pentaerythritol tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, pentaerythritol hexa(meth)acrylate, dipentaerythritol di(meth)acrylate, dipentaerythritol tri(meth)acrylate Latex, dipentaerythritol penta(meth)
- Examples of commercially available products of the photopolymerizable compound are as follows.
- Examples of monofunctional esters of (meth)acrylic acid include Aronix M- 101® , M- 111® , and M- 114® from Toagosei Chemical Industry Co., Ltd.; KAYARAD TC-110S ® of Nippon Kayaku Co., Ltd., the same TC-120S ® , etc.; Osaka Yuki Kagaku Kogyo Co., Ltd.'s V- 158® , V- 2311® , etc. are mentioned.
- Examples of the bifunctional ester of (meth)acrylic acid include Aronix M- 210® , M- 240® , and M- 6200® of Toagosei Chemical Industry Co., Ltd.; KAYARAD HDDA ® from Nippon Kayaku Co., Ltd., HX-220 ® , R-604 ® , etc.; Examples include V- 260® , V- 312® , and V-335 HP® of Osaka Yuki Kagaku Kogyo Co., Ltd.
- Examples of the trifunctional ester of (meth)acrylic acid include Aronix M- 309® , M- 400® , M- 405® , M- 450® , and M from Toagosei Chemical Industry Co., Ltd. -710 ® , copper M-8030 ® , copper M-8060 ® , etc.; KAYARAD TMPTA ® from Nippon Kayaku Co., Ltd., Copper DPCA-20 ® , Copper-30 ® , Copper-60 ® , Copper-120 ® , etc.; V-295 ® , Dong-300 ® , Dong-360 ® , Dong-GPT ® , Dong-3PA ® , Dong-400 ® and the like of Osaka Yuki Kayaku Kogyo Co., Ltd. These products may be used alone or in combination of two or more.
- the photopolymerizable compound may be used after being treated with an acid anhydride to impart better developability.
- the photopolymerizable compound may be included in an amount of 1 wt % to 10 wt %, for example, 3 wt % to 8 wt %, based on the total amount of the photosensitive resin composition.
- the photopolymerizable compound is included within the above range, sufficient curing occurs during exposure in the pattern forming process, resulting in excellent reliability and excellent developability with an alkaline developer.
- the photopolymerization initiator is an initiator generally used in photosensitive resin compositions, for example, an acetophenone-based compound, a benzophenone-based compound, a thioxanthone-based compound, a benzoin-based compound, a triazine-based compound, an oxime-based compound, or a combination thereof.
- an acetophenone-based compound for example, an acetophenone-based compound, a benzophenone-based compound, a thioxanthone-based compound, a benzoin-based compound, a triazine-based compound, an oxime-based compound, or a combination thereof.
- acetophenone-based compound examples include 2,2'-diethoxy acetophenone, 2,2'-dibutoxy acetophenone, 2-hydroxy-2-methylpropiophenone, p-t-butyltrichloro acetophenone, p-t -Butyldichloroacetophenone, 4-chloroacetophenone, 2,2'-dichloro-4-phenoxyacetophenone, 2-methyl-1-(4-(methylthio)phenyl)-2-morpholinopropane-1 -one, 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)-butan-1-one, etc. are mentioned.
- benzophenone-based compound examples include benzophenone, benzoyl benzoic acid, methyl benzoyl benzoate, 4-phenyl benzophenone, hydroxy benzophenone, acrylated benzophenone, 4,4'-bis(dimethylamino)benzophenone, 4,4 '-bis(diethylamino)benzophenone, 4,4'-dimethylaminobenzophenone, 4,4'-dichlorobenzophenone, 3,3'-dimethyl-2-methoxybenzophenone, and the like.
- thioxanthone-based compound examples include thioxanthone, 2-methylthioxanthone, isopropyl thioxanthone, 2,4-diethyl thioxanthone, 2,4-diisopropyl thioxanthone, 2- Chlorothioxanthone etc. are mentioned.
- benzoin-based compound examples include benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether, and benzyldimethylketal.
- triazine-based compound examples include 2,4,6-trichloro-s-triazine, 2-phenyl 4,6-bis(trichloromethyl)-s-triazine, 2-(3', 4'- Dimethoxystyryl) -4,6-bis (trichloromethyl) -s-triazine, 2- (4'-methoxynaphthyl) -4,6-bis (trichloromethyl) -s-triazine, 2-(p-methoxyphenyl)-4,6-bis(trichloromethyl)-s-triazine, 2-(p-tolyl)-4,6-bis(trichloromethyl)-s-triazine, 2-biphenyl 4,6-bis(trichloromethyl)-s-triazine, bis(trichloromethyl)-6-styryl-s-triazine, 2-(naphtho-1-yl)-4, 6-bis(trichloromethyl
- Examples of the oxime-based compound include O-acyloxime-based compounds, 2-(o-benzoyloxime)-1-[4-(phenylthio)phenyl]-1,2-octanedione, 1-(o-acetyloxime) )-1-[9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]ethanone, O-ethoxycarbonyl- ⁇ -oxyamino-1-phenylpropan-1-one etc. can be used.
- O-acyloxime compound examples include 1,2-octanedione, 2-dimethylamino-2-(4-methylbenzyl)-1-(4-morpholin-4-yl-phenyl)-butane- 1-one, 1-(4-phenylsulfanylphenyl)-butane-1,2-dione 2-oxime-O-benzoate, 1-(4-phenylsulfanylphenyl)-octane-1,2-dione 2 -Oxime-O-benzoate, 1-(4-phenylsulfanylphenyl)-octan-1-one oxime-O-acetate, 1-(4-phenylsulfanylphenyl)-butan-1-one oxime-O- Acetate etc. are mentioned.
- a carbazole-based compound As the photopolymerization initiator, a carbazole-based compound, a diketone compound, a sulfonium borate-based compound, a diazo-based compound, an imidazole-based compound, a biimidazole-based compound, a fluorene-based compound, and the like may be used in addition to the above compounds.
- the photopolymerization initiator may be used together with a photosensitizer that causes a chemical reaction by absorbing light, becoming excited, and then transferring the energy thereto.
- photosensitizer examples include tetraethylene glycol bis-3-mercapto propionate, pentaerythritol tetrakis-3-mercapto propionate, dipentaerythritol tetrakis-3-mercapto propionate, and the like. can be heard
- the photopolymerization initiator may be included in an amount of 0.1 wt % to 10 wt %, for example, 0.1 wt % to 5 wt %, based on the total amount of the photosensitive resin composition.
- excellent reliability can be obtained due to sufficient curing during exposure in the pattern forming process, excellent heat resistance, light resistance and chemical resistance of the pattern, excellent resolution and adhesion, and due to the unreacted initiator A decrease in transmittance can be prevented.
- the photosensitive resin composition according to one embodiment includes a colorant, and the colorant includes a blue pigment.
- the blue pigment may include epsilon blue pigment.
- the blue pigment includes both "epsilon blue pigment” and "blue-hybrid pigment of 'epsilon blue pigment' and 'Xanthene violet dye'" can do. In this case, it is more helpful in improving the luminance than in the case of using the Xansen-based violet dye alone.
- including epsilon blue pigment may be advantageous in maintaining low transmittance in a wavelength range of 400 nm to 450 nm. That is, in the present specification, the blue-hybrid blue pigment dispersion may mean a blue pigment dispersion in which the epsilon blue pigment is dispersed and the xanxen-based violet dye is mixed.
- the epsilon blue pigment is C.I. Pigment Blue 15:6 or the like.
- the blue pigment may be a derivative combined with an organic polymer.
- the blue pigment may be included in the photosensitive resin composition in the form of a pigment dispersion.
- the pigment dispersion may include a solid pigment, a solvent, and a dispersant for uniformly dispersing the pigment in the solvent.
- the solid content of the pigment is 1% to 20% by weight, such as 8% to 20% by weight, such as 8% to 15% by weight, such as 10% to 20% by weight, such as 10% to 20% by weight, based on the total amount of the pigment dispersion. 15% by weight.
- a nonionic dispersing agent As the dispersing agent, a nonionic dispersing agent, an anionic dispersing agent, a cationic dispersing agent, and the like may be used.
- the dispersant include polyalkylene glycols and esters thereof, polyoxyalkylenes, polyhydric alcohol esters, alkylene oxide adducts, alcohol alkylene oxide adducts, sulfonic acid esters, sulfonic acid salts, carboxylic acid esters, and carboxylic acids. salts, alkylamide alkylene oxide adducts, alkyl amines, and the like, and these may be used alone or in combination of two or more.
- DISPERBYK-101 for example, commercially available products of the dispersant include DISPERBYK-101, DISPERBYK-130, DISPERBYK-140, DISPERBYK-160, DISPERBYK-161, DISPERBYK-162, DISPERBYK-163, DISPERBYK-164, DISPERBYK-165, DISPERBYK from BYK.
- the dispersing agent may be included in an amount of 1% to 20% by weight based on the total amount of the pigment dispersion.
- an appropriate viscosity can be maintained, and thus the photosensitive resin composition has excellent dispersibility, thereby maintaining optical, physical and chemical qualities during product application.
- Ethylene glycol acetate, ethyl cellosolve, propylene glycol methyl ether acetate, ethyl lactate, polyethylene glycol, cyclohexanone, propylene glycol methyl ether, and the like may be used as the solvent forming the pigment dispersion.
- the colorant including the blue pigment may be included in an amount of 5 wt% to 50 wt%, for example, 10 wt% to 45 wt%, for example, 15 wt% to 40 wt%, based on the total amount of the photosensitive resin composition.
- the colorant is included within the above range, it is advantageous to secure a process margin, and the color gamut and contrast ratio are excellent.
- the colorant may further include a dye represented by the following Chemical Formula 5 in addition to the blue pigment.
- the dye represented by the following Chemical Formula 5 has a spectral characteristic of strongly absorbing light in a very narrow region of 400 nm to 450 nm and is soluble in organic solvents. It has high solubility, and when a photosensitive resin composition containing the same as a colorant is used, a color filter having excellent color reproducibility can be manufactured.
- the very narrow region of 400 nm to 450 nm is the Blue Light Hazard Area, and the higher the transmittance in the wavelength range of 400 nm to 450 nm, the more difficult it is to implement high color coordinates (lowering Bx).
- the lower the transmittance in the wavelength region of the easier it is to implement high-color coordinates (lowering Bx). Since the transmittance in the wavelength range of 400 nm to 450 nm is proportional to the area of the lower part of the transmittance graph, it can be easily confirmed whether the transmittance is high or low by checking the transmittance spectrum. Furthermore, a photosensitive resin film prepared using a composition containing a dye represented by Formula 5 as a colorant has high color gamut and low reflectance.
- M is Cu, Co, VO, Zn, Pt or In;
- R 14 to R 17 are each independently a halogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C20 heteroaryl group,
- R 6 to R 13 are each independently a hydrogen atom or a halogen atom.
- the substitution positions of the substituents (*-L 4 -R 14 , *-L 5 -R 15 , *-L 6 -R 16 and *-L 7 -R 17 ) are ortho, Coming to the para (para) position among meta (meta) and para (para) may be advantageous in increasing the absorbance in a narrow wavelength range of 400 nm to 450 nm.
- the dye represented by Chemical Formula 1 in which the substitution position of the substituents is para shows very strong absorbance at 400 nm to 450 nm, for example, 400 nm to 435 nm, a composition containing the dye as a colorant has a low Bx and a color at the same time. Reproducibility, color stability, light fastness, etc. may be excellent.
- the dye represented by Chemical Formula 5 may have maximum absorption in a wavelength range of 400 nm to 435 nm.
- the compound represented by Chemical Formula 5 may be represented by any one of Chemical Formulas 5-1 to 5-14, but is not necessarily limited thereto.
- M is Cu, Co, VO, Zn, Pt or In.
- the dye represented by Chemical Formula 5 may be included in a smaller amount than the phthalocyanine-based dye described below.
- the dye represented by Chemical Formula 5 and the phthalocyanine-based dye may be included in a weight ratio of 1:1.1 to 1:2. It may be more advantageous to improve durability such as heat resistance and chemical resistance (while maintaining a low Bx) when the dye represented by Formula 5 is included in a smaller amount than the phthalocyanine-based dye, specifically included in the weight ratio.
- the dye represented by Chemical Formula 5 may be included in an amount of 1 wt% to 10 wt%, for example, 5 wt% to 10 wt%, based on the total amount of the photosensitive resin composition according to one embodiment.
- the photosensitive resin composition according to an embodiment may further include a phthalocyanine-based dye represented by the following Chemical Formula 6 in addition to the blue pigment and the dye represented by Chemical Formula 5.
- R 17 to R 32 are each independently a halogen atom, a substituted or unsubstituted C1 to C20 alkoxy group, or a substituted or unsubstituted C6 to C20 aryloxy group.
- At least one of R 17 to R 20 and at least one of R 25 to R 28 may be a C6 to C20 aryloxy group substituted with a halogen atom
- at least one of R 21 to R 24 and R 29 to At least one of R 32 may be a C6 to C20 aryloxy group substituted with a C6 to C10 aryl group.
- any one of R 18 and R 19 and any one of R 26 and R 27 may be a C6 to C20 aryloxy group substituted with a halogen atom, and any one of R 22 and R 23 and R 30 And any one of R 31 may be a C6 to C20 aryloxy group substituted with a C6 to C10 aryl group.
- the phthalocyanine-based dye represented by Chemical Formula 6 is like this, it has the best compatibility with the dye represented by Chemical Formula 5, effectively improving durability such as heat resistance and chemical resistance (while maintaining a low Bx). can conceive
- the phthalocyanine-based dye may be included in an amount of 5 wt% to 20 wt%, for example, 5 wt% to 15 wt%, based on the total amount of the photosensitive resin composition according to one embodiment. When included in the above range, it is possible to easily achieve high color coordinates having low transmittance in the wavelength range of 400 nm to 450 nm.
- the solvent materials that have compatibility with the thiol-based compound, the silane coupling agent, the colorant, the binder resin, the photopolymerizable compound, and the photopolymerization initiator but do not react may be used.
- the solvent examples include alcohols such as methanol and ethanol; ethers such as dichloroethyl ether, n-butyl ether, diisoamyl ether, methylphenyl ether, and tetrahydrofuran; glycol ethers such as ethylene glycol monomethyl ether and ethylene glycol monoethyl ether; Cellosolve acetates, such as methyl cellosolve acetate, ethyl cellosolve acetate, and diethyl cellosolve acetate; carbitols such as methyl ethyl carbitol, diethyl carbitol, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol dimethyl ether, diethylene glycol methyl ethyl ether, and diethylene glycol diethyl ether; propylene glycol alkyl ether acetates such as propylene glycol methyl ether acetate and
- ketones such as cyclohexanone; glycol ethers such as ethylene glycol monoethyl ether; ethylene glycol alkyl ether acetates such as ethyl cellosolve acetate; esters such as 2-hydroxy ethyl propionate; carbitols such as diethylene glycol monomethyl ether; Propylene glycol alkyl ether acetates such as propylene glycol monomethyl ether acetate and propylene glycol propyl ether acetate may be used.
- the solvent may be included in the remaining amount, for example, 30 wt% to 70 wt%, for example, 30 wt% to 60 wt%, for example 40 wt% to 70 wt%, based on the total amount of the photosensitive resin composition.
- the photosensitive resin composition has an appropriate viscosity, and thus processability in manufacturing the color filter is excellent.
- the photosensitive resin composition includes malonic acid; 3-amino-1,2-propanediol; A silane-based coupling agent containing a vinyl group or a (meth)acryloxy group; leveling agent; fluorine-based surfactants; or a combination thereof.
- the photosensitive resin composition may further include a silane-based coupling agent having a reactive substituent such as a vinyl group, a carboxyl group, a methacryloxy group, an isocyanate group, or an epoxy group in order to improve adhesion to a substrate.
- a silane-based coupling agent having a reactive substituent such as a vinyl group, a carboxyl group, a methacryloxy group, an isocyanate group, or an epoxy group in order to improve adhesion to a substrate.
- silane-based coupling agent examples include trimethoxysilyl benzoic acid, ⁇ methacryloxypropyl trimethoxysilane, vinyl triacetoxysilane, vinyl trimethoxysilane, ⁇ isocyanate propyl triethoxysilane, ⁇ glycidoxy propyl trimethoxysilane, ⁇ -epoxycyclohexyl)ethyltrimethoxysilane, and the like, and these may be used alone or in combination of two or more.
- the silane-based coupling agent may be included in an amount of 0.01 part by weight to 10 parts by weight based on 100 parts by weight of the photosensitive resin composition. When the silane-based coupling agent is included within the above range, adhesion, storability, and the like are excellent.
- the photosensitive resin composition may further include a surfactant, such as a fluorine-based surfactant, to improve coating properties and prevent defect formation, if necessary.
- a surfactant such as a fluorine-based surfactant
- the fluorochemical surfactant may be used in an amount of 0.001 part by weight to 5 parts by weight based on 100 parts by weight of the photosensitive resin composition.
- the fluorine-based surfactant is included within the above range, coating uniformity is secured, stains do not occur, and wettability to a glass substrate is excellent.
- antioxidants and stabilizers may be further added to the photosensitive resin composition within a range that does not impair physical properties.
- a photosensitive resin film prepared using the photosensitive resin composition according to the embodiment is provided.
- a process of forming a pattern in the photosensitive resin film is as follows.
- a color filter including the photosensitive resin layer is provided.
- a display device including the color filter is provided.
- Photosensitive resin compositions according to Examples 1 to 6 and Comparative Examples 1 to 13 were prepared by mixing the components mentioned below in the composition shown in Table 1 below.
- a photosensitive resin composition was prepared by filtering the product three times to remove impurities.
- Acrylic binder resin SP-RY-25, Showadenko Co.
- Oxime-based initiator (Samyang Corporation; SPI03)
- Pentaerythritol tetrakis(3-mercaptopropionate) (PEMP-20P, SC Organic Chemical Co., Ltd.)
- Fluorinated surfactant F-554, DIC Co.
- the photosensitive resin compositions prepared in Examples 1 to 6 and Comparative Examples 1 to 13 were applied to a thickness of 1 ⁇ m to 3 ⁇ m on a degreased and washed glass substrate having a thickness of 1 mm at 250 rpm to 350 rpm, and , dried on a hot plate at 90° C. for 2 minutes to obtain a coating film. Subsequently, the entire surface exposure was performed on the coating film using a high-pressure mercury lamp with a dominant wavelength of 365 nm under the condition of 40 mJ / cm 2 , and then developed using a developer (Daxin, CD821 solution diluted) in a developing machine, Pattern formation was completed by drying for 20 minutes in a hot air circulation drying furnace at 240 ° C.
- the size of the wide 100 ⁇ m pattern was measured by zooming the completed pattern 500 times through an optical microscope. At this time, the wide size of the pattern was set at the level of 104 ⁇ 105 ⁇ m as the target.
- the photosensitive resin composition according to one embodiment can solve sublimable foreign matter and exfoliation issues in a high-temperature, high-humidity environment by including an amino-based silane coupling agent, and the amino-based silane coupling agent CD sensitivity reduction and poor chemical resistance, problems caused by use, were improved by using a thiol-based compound as an amplifier while controlling the content of the amino-based silane coupling agent, and also controlling the content of the thiol-based compound Through this, it can be confirmed that the uniformity (patternability) of the pattern edge portion can also be secured.
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Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 실시예 6 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 | 비교예 7 | 비교예 8 | 비교예 9 | 비교예 10 | 비교예 11 | 비교예 12 | 비교예 13 | ||
(A) 바인더 수지 | 10.65 | 11.11 | 10.65 | 10.65 | 10.65 | 10.56 | 11.00 | 10.83 | 10.90 | 10.90 | 10.90 | 10.90 | 10.90 | 10.81 | 10.62 | 10.06 | 10.56 | 10.56 | 10.56 | |
(B) 광중합성 화합물 | 4.26 | 4.45 | 4.26 | 4.26 | 4.26 | 4.26 | 4.40 | 4.34 | 4.37 | 4.37 | 4.37 | 4.37 | 4.37 | 4.33 | 4.26 | 4.03 | 4.26 | 4.26 | 4.26 | |
(C) 광중합 개시제 | 1.21 | 0.68 | 1.21 | 1.21 | 1.21 | 1.21 | 1.25 | 1.23 | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 | 1.23 | 1.21 | 1.76 | 1.21 | 1.21 | 1.21 | |
(D) 착색제 | (D-1) | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 |
(D-2) | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | 5.35 | |
(E) 용매 | 52.29 | 52.02 | 52.37 | 52.22 | 52.19 | 52.34 | 52.08 | 52.18 | 52.14 | 52.14 | 52.14 | 52.14 | 52.14 | 52.20 | 52.31 | 52.64 | 52.13 | 52.43 | 52.21 | |
(F) 티올계 화합물 | 0.17 | 0.29 | 0.13 | 0.26 | 0.28 | 0.15 | - | 0.15 | - | - | - | - | - | - | - | 0.08 | 0.3 | 0.1 | 0.1 | |
(G) 실란커플링제 | (G-1) | 0.17 | 0.18 | 0.13 | 0.13 | 0.14 | 0.15 | - | - | - | - | - | 0.09 | - | 0.17 | 0.34 | 0.17 | 0.2 | 0.09 | 0.32 |
(G-2) | - | - | - | - | - | - | - | - | 0.09 | - | - | - | - | - | - | - | - | - | - | |
(G-3) | - | - | - | - | - | - | - | - | - | 0.09 | - | - | - | - | - | - | - | - | - | |
(G-4) | - | - | - | - | - | - | - | - | - | - | 0.09 | - | - | - | - | - | - | - | - | |
(G-5) | - | - | - | - | - | - | - | - | - | - | - | - | 0.09 | - | - | - | - | - | - | |
(H) 기타 첨가제 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
박리(peeling) 특성 | Sublimation 특성 | CD | 패턴균일성 | 내화학성(del(E*)) | |
실시예 1 | O | O | 104.5 | O | 1.8 |
실시예 2 | O | O | 105.2 | O | 1.2 |
실시예 3 | O | O | 103.8 | O | 2.1 |
실시예 4 | O | O | 105.5 | O | 1.8 |
실시예 5 | O | O | 105.5 | O | 1.7 |
실시예 6 | O | O | 104.4 | O | 1.9 |
비교예 1 | X | X | 104.5 | O | 1.7 |
비교예 2 | X | X | 110.2 | X | 1.1 |
비교예 3 | △ | X | 103.8 | O | 1.8 |
비교예 4 | △ | X | 103.5 | O | 2.1 |
비교예 5 | X | X | 103.8 | O | 1.9 |
비교예 6 | △ | O | 101.5 | O | 2.5 |
비교예 7 | X | X | 102.5 | O | 1.8 |
비교예 8 | O | O | 99.7 | O | 2.9 |
비교예 9 | O | O | 92.5 | O | 3.4 |
비교예 10 | O | O | 101.7 | O | 2.1 |
비교예 11 | O | O | 106.2 | X | 1.5 |
비교예 12 | △ | O | 104.2 | O | 2.2 |
비교예 13 | O | O | 100.5 | O | 2.7 |
Claims (14)
- (A) 바인더 수지;(B) 광중합성 화합물;(C) 광중합 개시제;(D) 청색 안료를 포함하는 착색제;(E) 용매;(F) 티올계 화합물; 및(G) 실란커플링제;를 포함하고,상기 티올계 화합물 및 실란커플링제는 각각 독립적으로 감광성 수지 조성물 총량 대비 0.1 중량% 이상 0.3 중량% 미만으로 포함되는 감광성 수지 조성물.
- 제1항에 있어서,상기 티올계 화합물 및 실란커플링제는 1:1 내지 2:1의 중량비로 포함되는 감광성 수지 조성물.
- 제1항에 있어서,상기 실란커플링제는 아미노계 실란커플링제인 감광성 수지 조성물.
- 제1항에 있어서,상기 바인더 수지는 아크릴계 바인더 수지, 카도계 바인더 수지 또는 이들의 조합을 포함하는 감광성 수지 조성물.
- 제7항에 있어서,상기 바인더 수지는 아크릴계 바인더 수지이고, 상기 아크릴계 바인더 수지는 5000 g/mol 내지 15000 g/mol의 중량평균분자량을 가지는 감광성 수지 조성물.
- 제7항에 있어서,상기 바인더 수지는 아크릴계 바인더 수지이고, 상기 아크릴계 바인더 수지는 80 mgKOH/g 내지 130 mgKOH/g의 산가를 가지는 감광성 수지 조성물.
- 제1항에 있어서,상기 감광성 수지 조성물은 감광성 수지 조성물 총량에 대해,상기 바인더 수지 5 중량% 내지 20 중량%;상기 광중합성 화합물 1 중량% 내지 10 중량%;상기 광중합 개시제 0.1 중량% 내지 10 중량%;상기 착색제 5 중량% 내지 50 중량%;상기 용매 30 중량% 내지 70 중량%;상기 티올계 화합물 0.1 중량% 내지 0.29 중량%; 및상기 실란커플링제 0.1 중량% 내지 0.29 중량%을 포함하는 감광성 수지 조성물.
- 제1항에 있어서,상기 감광성 수지 조성물은 말론산; 3-아미노-1,2-프로판디올; 레벨링제; 불소계 계면활성제; 또는 이들의 조합을 더 포함하는 감광성 수지 조성물.
- 제1항 내지 제11항 중 어느 한 항의 감광성 수지 조성물을 이용하여 제조되는 감광성 수지막.
- 제12항의 감광성 수지막을 포함하는 컬러필터.
- 제13항의 컬러필터를 포함하는 디스플레이 장치.
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KR20180063060A (ko) * | 2015-09-30 | 2018-06-11 | 도레이 카부시키가이샤 | 네가티브형 감광성 수지 조성물, 경화막, 경화막을 구비하는 소자 및 표시 장치, 및 그의 제조 방법 |
KR20180121511A (ko) * | 2016-03-18 | 2018-11-07 | 도레이 카부시키가이샤 | 네가티브형 감광성 수지 조성물, 경화막, 경화막을 구비하는 표시 장치, 및 그의 제조 방법 |
JP2019178307A (ja) * | 2018-03-30 | 2019-10-17 | 太陽インキ製造株式会社 | 硬化性樹脂組成物、ドライフィルム、硬化物、および、電子部品 |
JP2019210453A (ja) * | 2018-06-05 | 2019-12-12 | 東洋インキScホールディングス株式会社 | 顔料分散剤、顔料組成物、カラーフィルタ用着色組成物およびカラーフィルタ |
JP2021047388A (ja) * | 2019-09-20 | 2021-03-25 | 東洋インキScホールディングス株式会社 | カラーフィルタ用感光性着色組成物及びカラーフィルタ |
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- 2022-05-03 JP JP2023518760A patent/JP2023542981A/ja active Pending
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KR20180063060A (ko) * | 2015-09-30 | 2018-06-11 | 도레이 카부시키가이샤 | 네가티브형 감광성 수지 조성물, 경화막, 경화막을 구비하는 소자 및 표시 장치, 및 그의 제조 방법 |
KR20180121511A (ko) * | 2016-03-18 | 2018-11-07 | 도레이 카부시키가이샤 | 네가티브형 감광성 수지 조성물, 경화막, 경화막을 구비하는 표시 장치, 및 그의 제조 방법 |
JP2019178307A (ja) * | 2018-03-30 | 2019-10-17 | 太陽インキ製造株式会社 | 硬化性樹脂組成物、ドライフィルム、硬化物、および、電子部品 |
JP2019210453A (ja) * | 2018-06-05 | 2019-12-12 | 東洋インキScホールディングス株式会社 | 顔料分散剤、顔料組成物、カラーフィルタ用着色組成物およびカラーフィルタ |
JP2021047388A (ja) * | 2019-09-20 | 2021-03-25 | 東洋インキScホールディングス株式会社 | カラーフィルタ用感光性着色組成物及びカラーフィルタ |
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