KR102171901B1 - 액정 매질 - Google Patents
액정 매질 Download PDFInfo
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- KR102171901B1 KR102171901B1 KR1020157018532A KR20157018532A KR102171901B1 KR 102171901 B1 KR102171901 B1 KR 102171901B1 KR 1020157018532 A KR1020157018532 A KR 1020157018532A KR 20157018532 A KR20157018532 A KR 20157018532A KR 102171901 B1 KR102171901 B1 KR 102171901B1
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 126
- 239000000975 dye Substances 0.000 claims description 130
- 150000001875 compounds Chemical class 0.000 claims description 61
- 125000004432 carbon atom Chemical group C* 0.000 claims description 41
- 125000003118 aryl group Chemical group 0.000 claims description 29
- 125000000217 alkyl group Chemical group 0.000 claims description 27
- 229910052731 fluorine Inorganic materials 0.000 claims description 27
- 229910052801 chlorine Inorganic materials 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 125000003545 alkoxy group Chemical group 0.000 claims description 18
- 125000001072 heteroaryl group Chemical group 0.000 claims description 15
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 125000006413 ring segment Chemical group 0.000 claims description 7
- 125000000304 alkynyl group Chemical group 0.000 claims description 6
- 125000004104 aryloxy group Chemical group 0.000 claims description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 125000003302 alkenyloxy group Chemical group 0.000 claims description 5
- 125000005309 thioalkoxy group Chemical group 0.000 claims description 5
- 229930192627 Naphthoquinone Natural products 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 150000002791 naphthoquinones Chemical class 0.000 claims description 4
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 claims description 4
- 125000004414 alkyl thio group Chemical group 0.000 claims description 3
- 150000004056 anthraquinones Chemical class 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 239000007850 fluorescent dye Substances 0.000 claims description 3
- 125000005553 heteroaryloxy group Chemical group 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims description 2
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 claims description 2
- BIGSSBUECAXJBO-UHFFFAOYSA-N terrylene Chemical group C12=C3C4=CC=C2C(C=25)=CC=CC5=CC=CC=2C1=CC=C3C1=CC=CC2=CC=CC4=C21 BIGSSBUECAXJBO-UHFFFAOYSA-N 0.000 claims description 2
- -1 azo compound Chemical class 0.000 claims 3
- DPOPAJRDYZGTIR-UHFFFAOYSA-N Tetrazine Chemical compound C1=CN=NN=N1 DPOPAJRDYZGTIR-UHFFFAOYSA-N 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 claims 1
- 150000003254 radicals Chemical class 0.000 description 21
- 239000000203 mixture Substances 0.000 description 18
- 238000002834 transmittance Methods 0.000 description 13
- 239000004642 Polyimide Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 229920001721 polyimide Polymers 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000001392 ultraviolet--visible--near infrared spectroscopy Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004988 Nematic liquid crystal Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004737 colorimetric analysis Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000005281 excited state Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 0 CCC(C1(CC)c2c(*)c(*)c(-c3nc4c(*)c(*)c(C)c(*)c4[n]33)c4c22)(c5c(C)c(*)c(C6(CC)c7c(C)c(*)c(-c8nc(c(*)c(*)c(*)c9*)c9[n]88)c9c77)c%10c5c1c(*)c(*)c%10C6(CC)c7c(*)c(*)c9C8=O)c2c(*)c(C)c4C3=O Chemical compound CCC(C1(CC)c2c(*)c(*)c(-c3nc4c(*)c(*)c(C)c(*)c4[n]33)c4c22)(c5c(C)c(*)c(C6(CC)c7c(C)c(*)c(-c8nc(c(*)c(*)c(*)c9*)c9[n]88)c9c77)c%10c5c1c(*)c(*)c%10C6(CC)c7c(*)c(*)c9C8=O)c2c(*)c(C)c4C3=O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000001000 anthraquinone dye Substances 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 125000004475 heteroaralkyl group Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical class [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004905 tetrazines Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
- C09K19/606—Perylene dyes
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
- C09K19/3068—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers chain containing -COO- or -OCO- groups
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- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
- C09K19/3068—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers chain containing -COO- or -OCO- groups
- C09K2019/3078—Cy-Cy-COO-Ph-Cy
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- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
- C09K19/3001—Cyclohexane rings
- C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
- C09K19/3068—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers chain containing -COO- or -OCO- groups
- C09K2019/3083—Cy-Ph-COO-Ph
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1011—Condensed systems
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
- C09K2211/1033—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom with oxygen
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- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
- C09K2211/1048—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms with oxygen
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- C09K2219/00—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used
- C09K2219/13—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used used in the technical field of thermotropic switches
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- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
Abstract
Description
Claims (16)
- 최장-파장 흡수 최대치(longest-wave absorption maximum)가 600 nm를 초과한 파장에서 존재하는 릴렌(rylene) 구조를 갖는 하나 이상의 이색성(dichroic) 염료 F를 포함하는 액정 매질로서,
상기 액정 매질은 하나 이상의 하기 화학식 (I)의 화합물 및 하나 이상의 하기 화학식 (II)의 화합물을 포함하고,
상기 이색성 염료 F는 하기 화학식 (F-I) 내지 (F-V)의 화합물로부터 선택되는,
액정 매질:
화학식 (I)
[상기 식에서,
R11은 각각의 경우에, 동일하거나 상이하게, H, F, Cl, CN, NCS, R1-O-CO-, R1-CO-O-, 탄소수 1 내지 10의 알킬, 알콕시 또는 티오알콕시 기, 또는 탄소수 2 내지 10의 알켄일, 알켄일옥시 또는 티오알켄일옥시 기이고, 이때 상기 언급된 기에서 하나 이상의 H 원자는 F, Cl 또는 CN으로 대체될 수 있고, 상기 언급된 기에서 하나 이상의 CH2 기는 O, S, -O-CO- 또는 -CO-O-로 대체될 수 있고,
R1은 각각의 경우에, 동일하거나 상이하게, 탄소수 1 내지 10의 알킬 기이고, 여기서 하나 이상의 수소 원자는 F 또는 Cl로 대체될 수 있고, 하나 이상의 CH2 기는 O 또는 S로 대체될 수 있고,
Z11은 각각의 경우에, 동일하거나 상이하게, -CO-O-, -O-CO-, -CF2-CF2-, -CF2-O-, -O-CF2-, -CH2-CH2-, -CH=CH-, -CF=CF-, -CF=CH-, -CH=CF-, -C≡C-, -OCH2-, -CH2O- 및 단일 결합으로부터 선택되고,
A11은
으로부터 선택되고,
X는 각각의 경우에, 동일하거나 상이하게, F, Cl, CN 또는 탄소수 1 내지 10의 알킬, 알콕시 또는 알킬티오 기로부터 선택되며, 이때 상기 언급된 기에서 하나 이상의 수소 원자는 F 또는 Cl로 대체될 수 있고, 상기 언급된 기에서 하나 이상의 CH2 기는 O 또는 S로 대체될 수 있다]
화학식 (II)
[상기 식에서,
R21 및 R22는 각각의 경우에, 동일하거나 상이하게, H, F, Cl, CN, NCS, R1-O-CO-, R1-CO-O-, 탄소수 1 내지 10의 알킬, 알콕시 또는 티오알콕시 기, 또는 탄소수 2 내지 10의 알켄일, 알켄일옥시 또는 티오알켄일옥시 기로부터 선택되며, 이때 상기 언급된 기에서 하나 이상의 H 원자는 F, Cl 또는 CN으로 대체될 수 있고, 상기 언급된 기에서 하나 이상의 CH2 기는 O, S, -O-CO- 또는 -CO-O-로 대체될 수 있고,
R1은 각각의 경우에, 동일하거나 상이하게, 탄소수 1 내지 10의 알킬 기이고, 여기서 하나 이상의 수소 원자는 F 또는 Cl로 대체될 수 있고, 하나 이상의 CH2 기는 O 또는 S로 대체될 수 있고,
Z11 및 Z22는 각각의 경우에, 동일하거나 상이하게, -CO-O-, -O-CO-, -CF2-CF2-, -CF2-O-, -O-CF2-, -CH2-CH2-, -CH=CH-, -CF=CF-, -CF=CH-, -CH=CF-, -C≡C-, -OCH2-, -CH2O- 및 단일 결합으로부터 선택되고,
A21, A22 및 A23은 각각의 경우에, 동일하거나 상이하게,
로부터 선택되고,
X는 각각의 경우에, 동일하거나 상이하게, F, Cl, CN 또는 탄소수 1 내지 10의 알킬, 알콕시 또는 알킬티오 기로부터 선택되며, 이때 상기 언급된 기에서 하나 이상의 수소 원자는 F 또는 Cl로 대체될 수 있고, 상기 언급된 기에서 하나 이상의 CH2 기는 O 또는 S로 대체될 수 있고,
화학식 (II)의 화합물은 2개 이상의 플루오린 치환기를 갖는다]
화학식 (F-I)
화학식 (F-II)
화학식 (F-III)
화학식 (F-IV)
화학식 (F-V)
[상기 식에서,
n은, 화학식 (F-I) 및 (F-II)의 경우에 1, 2, 3, 4, 5, 6, 7 및 8로부터 선택되고, 화학식 (F-III) 내지 (F-V)의 경우에 0, 1, 2, 3, 4, 5, 6, 7 및 8로부터 선택되고;
ZF1은 각각의 경우에, 동일하거나 상이하게, 단일 결합, -C(=O)O-, -OC(=O)-, -C(=O)S-, -SC(=O)- , -CF2- -CF2-CF2-, -CF2O-, -OCF2- 및 -0-로부터 선택되고;
RF1은 각각의 경우에, 동일하거나 상이하게, 탄소수 1 내지 10의 알킬 또는 알콕시 기, 또는 탄소수 2 내지 10의 알켄일 또는 알킨일 기, 또는 탄소수 3 내지 10의 사이클로알킬 기로부터 선택되되, 상기 기들은 하나 이상의 라디칼 RFA, 또는 하나 이상의 라디칼 RFA로 치환될 수 있는 6 내지 30개의 방향족 고리 원자를 갖는 아릴 또는 헤테로아릴 기로 치환될 수 있고;
RF2, RF3, RF4, RF5 및 RF6은 각각의 경우에, 동일하거나 상이하게, H, F, Cl, Br, ORFA, OCH2RFA, SRFA, SCH2RFA, C(=O)ORFA, 탄소수 1 내지 10의 알킬 또는 알콕시 기, 또는 탄소수 2 내지 10의 알켄일 또는 알킨일 기, 또는 탄소수 3 내지 10의 사이클로알킬 기로부터 선택되되, 상기 기들은 하나 이상의 라디칼 RFA, 또는 하나 이상의 라디칼 RFA로 치환될 수 있는 6 내지 30개의 방향족 고리 원자를 갖는 아릴 또는 헤테로아릴 기, 또는 하나 이상의 라디칼 RFA로 치환될 수 있는 6 내지 30개의 방향족 고리 원자를 갖는 아르알킬 기, 또는 하나 이상의 라디칼 RFA로 치환될 수 있는 6 내지 30개의 방향족 고리 원자를 갖는 아릴옥시 또는 헤테로아릴옥시 기로 치환될 수 있고;
RFA는 각각의 경우에, 동일하거나 상이하게, F, Cl, Br, -OCF2RFB, -CF2O-RFB, 탄소수 1 내지 10의 알킬 또는 알콕시 기, 또는 탄소수 2 내지 10의 알켄일 또는 알킨일 기, 또는 탄소수 3 내지 10의 사이클로알킬 기로부터 선택되되, 상기 기들은 하나 이상의 라디칼 RFB, 또는 하나 이상의 라디칼 RFB로 치환될 수 있는 6 내지 30개의 방향족 고리 원자를 갖는 아릴 또는 헤테로아릴 기로 치환될 수 있고;
RFB는 각각의 경우에, 동일하거나 상이하게, F 또는 탄소수 1 내지 20의 지방족, 방향족 또는 헤테로방향족 유기 라디칼로부터 선택된다]. - 제 1 항에 있어서,
상기 염료 F의 이방성(anisotropy)의 정도 R이 0.4보다 큰 것을 특징으로 하는, 액정 매질. - 제 1 항에 있어서,
상기 이색성 염료 F가 580 내지 2000 nm 파장 범위의 광을 흡수하는 것을 특징으로 하는, 액정 매질. - 제 1 항에 있어서,
상기 이색성 염료 F가 0.1 중량% 내지 10 중량%의 농도로 존재하는 것을 특징으로 하는, 액정 매질. - 제 1 항에 있어서,
상기 이색성 염료 F가 형광성 염료인 것을 특징으로 하는, 액정 매질. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 액정 매질이, 상기 이색성 염료 F 외에, 2개 또는 3개의 추가의 이색성 염료를 포함하되, 상기 2개 또는 3개의 추가의 이색성 염료 중 적어도 하나가 녹색 내지 황색 광을 흡수하고, 상기 2개 또는 3개의 추가의 이색성 염료 중 다른 적어도 하나는 청색 광을 흡수하는 것을 특징으로 하는, 액정 매질. - 제 1 항에 있어서,
상기 액정 매질이, 상기 이색성 염료 F 외에, 아조 화합물, 안트라퀴논, 메틴 화합물, 아조메틴 화합물, 메로시아닌 화합물, 나프토퀴논, 테트라진, 페릴렌, 터릴렌, 쿼터릴렌, 고급 릴렌 및 피로메텐으로부터 선택되는 하나 이상의 추가의 이색성 염료를 포함하는 것을 특징으로 하는, 액정 매질. - 제 1 항에 있어서,
상기 릴렌 염료의 부류로부터 선택되는 이색성 염료를 전적으로(exclusively) 포함하는 것을 특징으로 하는 액정 매질. - 제 1 항에 있어서,
3 초과의 유전 이방성(dielectric anisotropy)을 갖는 것을 특징으로 하는 액정 매질. - 삭제
- 제 1 항 내지 제 5 항 및 제 9 항 내지 제 12 항 중 어느 한 항에 있어서,
게스트-호스트 유형의 액정(LC) 장치에 사용하기 위한 액정 매질. - 제 1 항 내지 제 5 항 및 제 9 항 내지 제 12 항 중 어느 한 항에 따른 액정 매질의 제조 방법으로서,
먼저, 이색성 염료 없이 액정 매질의 추가의 성분들을 혼합하고, 이어서 상기 액정 매질에 이색성 염료를 첨가하고 용해시키는 것을 특징으로 하는, 방법. - 스위칭 층에 제 1 항 내지 제 5 항 및 제 9 항 내지 제 12 항 중 어느 한 항에 따른 하나 이상의 액정 매질을 함유하는, 게스트-호스트 유형의 전기적으로 스위칭 가능한 LC 장치.
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CN104837959B (zh) | 2017-09-19 |
JP2016505671A (ja) | 2016-02-25 |
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US9701905B2 (en) | 2017-07-11 |
CN104837959A (zh) | 2015-08-12 |
TWI613280B (zh) | 2018-02-01 |
JP6527465B2 (ja) | 2019-06-05 |
EP2931839A1 (en) | 2015-10-21 |
EP2931839B1 (en) | 2017-11-01 |
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