JP7451544B2 - 発光素子溶媒、それを含む発光素子インクおよび表示装置の製造方法 - Google Patents
発光素子溶媒、それを含む発光素子インクおよび表示装置の製造方法 Download PDFInfo
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- JP7451544B2 JP7451544B2 JP2021546386A JP2021546386A JP7451544B2 JP 7451544 B2 JP7451544 B2 JP 7451544B2 JP 2021546386 A JP2021546386 A JP 2021546386A JP 2021546386 A JP2021546386 A JP 2021546386A JP 7451544 B2 JP7451544 B2 JP 7451544B2
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- 239000002904 solvent Substances 0.000 title claims description 296
- 238000000034 method Methods 0.000 title claims description 45
- 238000004519 manufacturing process Methods 0.000 title claims description 37
- 125000000524 functional group Chemical group 0.000 claims description 149
- 239000000126 substance Substances 0.000 claims description 128
- 239000004065 semiconductor Substances 0.000 claims description 78
- 230000005684 electric field Effects 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 27
- 238000006317 isomerization reaction Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 12
- 230000001154 acute effect Effects 0.000 claims description 11
- 125000006729 (C2-C5) alkenyl group Chemical group 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims description 9
- 238000007697 cis-trans-isomerization reaction Methods 0.000 claims description 8
- 125000006730 (C2-C5) alkynyl group Chemical group 0.000 claims description 7
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 claims description 5
- 125000001033 ether group Chemical group 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 125000005907 alkyl ester group Chemical group 0.000 claims description 3
- 125000005011 alkyl ether group Chemical group 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007363 ring formation reaction Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 164
- 238000005192 partition Methods 0.000 description 44
- 239000000463 material Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 14
- 238000009835 boiling Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical group C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 7
- 230000009257 reactivity Effects 0.000 description 6
- DMLAVOWQYNRWNQ-YPKPFQOOSA-N (Z)-azobenzene Chemical group C1=CC=CC=C1\N=N/C1=CC=CC=C1 DMLAVOWQYNRWNQ-YPKPFQOOSA-N 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- 238000007641 inkjet printing Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- DMLAVOWQYNRWNQ-BUHFOSPRSA-N (E)-azobenzene Chemical group C1=CC=CC=C1\N=N\C1=CC=CC=C1 DMLAVOWQYNRWNQ-BUHFOSPRSA-N 0.000 description 4
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007149 pericyclic reaction Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 3
- TYHJXGDMRRJCRY-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) tin(4+) Chemical compound [O-2].[Zn+2].[Sn+4].[In+3] TYHJXGDMRRJCRY-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000004720 dielectrophoresis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 102100022052 Cyclin N-terminal domain-containing protein 1 Human genes 0.000 description 1
- 101000900815 Homo sapiens Cyclin N-terminal domain-containing protein 1 Proteins 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 125000002009 alkene group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000003049 inorganic solvent Substances 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- 238000006142 intramolecular cycloaddition reaction Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C09D11/322—Pigment inks
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- C09D11/00—Inks
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- C09D11/36—Inkjet printing inks based on non-aqueous solvents
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- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
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- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- H—ELECTRICITY
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
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- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
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- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Description
[化学構造式1]
[化学構造式2]
[化学構造式3]
[化学構造式4]
前記化学構造式2~4において、前記R1およびR2は前記化学構造式1で表されるが、前記化学構造式1において、前記R1のn値(n1)とR2のn値(n2)の合計は2~6の範囲を有する。
[化学構造式7]
[化学構造式8]
[化学構造式9]
[化学構造式5]
[化学構造式6]
前記化学構造式5および6において、前記R1およびR2は前記化学構造式1で表されるが、前記化学構造式1において、前記R1のn値(n1)とR2のn値(n2)の合計は2~6の範囲を有する。
ッド、ナノワイヤ、ナノチューブなどの形状を有することができる。例示的な実施形態で、発光素子30は、円筒形またはロッド形(rod)であってもよい。ただし、発光素子30の形態はこれに限定されるものではなく、正六面体、直六面体、六角柱型など、多様な形態を有することができる。後述する発光素子30に含まれる複数の半導体は前記一方向に沿って順次配置されたり、積層された構造を有することができる。
150、Pは、第1素子溶媒101を形成し、第2異性体152の第3官能基150、P’は、第2素子溶媒102を形成することができる。
[構造式1]
X1-P-X2
(ここで、Pは第3官能基150であり、X1は第1官能基110、X2は第2官能基120である。)
[化学反応式1]
[化学反応式2]
[化学反応式3]
[化学反応式4]
[化学反応式5]
[化学反応式6]
[化学反応式7]
[化学構造式1]
[化学構造式2]
[化学構造式3]
[化学構造式4]
[化学構造式5]
[化学構造式6]
[化学構造式7]
[化学構造式8]
[化学構造式9]
[化学構造式10]
[化学構造式11]
[化学反応式8]
Claims (16)
- 第1電極および第2電極が形成された対象基板上に第1素子溶媒および前記第1素子溶媒内に分散した発光素子を含む素子インクを噴射するステップ;
前記第1素子溶媒が有する分子構造の異性体構造を有する第2素子溶媒を形成し、前記第1電極および前記第2電極上に前記発光素子を定着させるステップ;および
前記第2素子溶媒を除去するステップを含み、
前記発光素子は、無機発光ダイオードであり、
前記第1素子溶媒は、
下記化学構造式1で表される第1官能基および第2官能基;および
異性体構造を有する少なくとも一つの二重結合を含み、前記第1官能基と前記第2官能基が結合された第3官能基を含み、
前記発光素子を定着させるステップで、第2素子溶媒の粘度は前記第1素子溶媒の粘度より小さい値を有する、表示装置の製造方法。
[化学構造式1]
(前記化学構造式1において、前記nは1~5の整数であり、前記R 3 はC 1 -C 5 のアルキル基、C 2 -C 5 のアルケニル基、C 2 -C 5 のアルキニル基、C 1 -C 5 のアルキルエーテル基、C 2 -C 5 のアルケニルエーテル基およびC 2 -C 5 のアルキルエステル基のいずれか一つである。) - 前記第1素子溶媒は、前記第3官能基が、前記二重結合が照射される光によってシス-トランス異性化反応して前記第2素子溶媒を形成する、請求項1に記載の表示装置の製造方法。
- 前記第1素子溶媒は、下記化学構造式2~4で表される化合物の少なくともいずれか一つを含む、請求項2に記載の表示装置の製造方法。
[化学構造式2]
[化学構造式3]
[化学構造式4]
(前記化学構造式2~4において、前記R1およびR2は前記化学構造式1で表され、前記化学構造式1において、前記R1のn値(n1)とR2のn値(n2)の合計は2~6の範囲を有する。) - 前記第1素子溶媒は、下記化学構造式7~9で表される少なくともいずれか一つを含む、請求項3に記載の表示装置の製造方法。
[化学構造式7]
[化学構造式8]
[化学構造式9]
- 前記第1素子溶媒は、前記第3官能基が、前記二重結合が電子環化反応して前記第2素子溶媒を形成する、請求項1に記載の表示装置の製造方法。
- 前記第1素子溶媒は、下記化学構造式5および6で表される化合物の少なくともいずれか一つを含む、請求項5に記載の表示装置の製造方法。
[化学構造式5]
[化学構造式6]
(前記化学構造式5および6において、前記R1およびR2は前記化学構造式1で表され、前記化学構造式1において、前記R1のn値(n1)とR2のn値(n2)の合計は2~6の範囲を有する。) - 前記第1素子溶媒は粘度が7cp~15cpの範囲を有し、
前記第2素子溶媒は、粘度が5cp以下である、請求項1に記載の表示装置の製造方法。 - 前記発光素子を定着させるステップは、
前記第2素子溶媒上に電界を形成するステップ;および
前記電界により前記発光素子の配向方向が整列されるステップを含む、請求項1に記載の表示装置の製造方法。 - 前記発光素子は、一方向に延びた形状を有し、
前記発光素子が延びた前記一方向と、前記第1電極および前記第2電極が延びた方向がなす鋭角は88°~90°の範囲を有する、請求項8に記載の表示装置の製造方法。 - 半導体結晶を含む発光素子が分散する発光素子溶媒であって、
前記発光素子溶媒は、下記化学構造式1で表される第1官能基および第2官能基;および
異性体構造を有する少なくとも一つの二重結合を含み、前記第1官能基および前記第2官能基が結合された第3官能基を含み、
下記化学構造式2~6で表される化合物の少なくともいずれか一つを含み、
前記発光素子は、無機発光ダイオードであり、
前記発光素子溶媒は前記第3官能基を含む第1素子溶媒を形成し、
前記第1素子溶媒は、前記第3官能基が異性化反応して粘度が低い第2素子溶媒を形成する、発光素子溶媒。
[化学構造式1]
(前記化学構造式1において、前記nは1~5の整数であり、前記R3はC1-C5のアルキル基、C2-C5のアルケニル基、C2-C5のアルキニル基、C1-C5のアルキルエーテル基、C2-C5のアルケニルエーテル基およびC2-C5のアルキルエステル基のいずれか一つである。)
[化学構造式2]
[化学構造式3]
[化学構造式4]
[化学構造式5]
[化学構造式6]
(前記化学構造式2~6において、前記R1およびR2は前記化学構造式1で表され、前記化学構造式1において、前記R1のn値(n1)とR2のn値(n2)の合計は2~6の範囲を有する。) - 前記発光素子溶媒は、下記化学構造式7~11で表される化合物の少なくともいずれか一つを含む、請求項10に記載の発光素子溶媒。
[化学構造式7]
[化学構造式8]
[化学構造式9]
[化学構造式10]
[化学構造式11]
- 前記発光素子溶媒は、前記化学構造式7~9で表される化合物の少なくともいずれか一つを含み、
前記第3官能基は、シス-トランス異性化反応して前記第2素子溶媒を形成する、請求項11に記載の発光素子溶媒。 - 前記発光素子溶媒は、前記化学構造式10および11で表される化合物の少なくともいずれか一つを含み、
前記第3官能基は、電子環化反応して前記第2素子溶媒を形成する、請求項11に記載の発光素子溶媒。 - 半導体結晶および前記半導体結晶の外周面を囲む絶縁膜を含む発光素子;および
少なくとも一つの前記発光素子が分散した発光素子溶媒を含み、
前記発光素子溶媒は、
下記化学構造式1で表される第1官能基および第2官能基;および
異性体構造を有する少なくとも一つの二重結合を含み、前記第1官能基および前記第2官能基が結合された第3官能基を含み、
下記化学構造式2~6で表される化合物の少なくともいずれか一つを含み、
前記発光素子は、無機発光ダイオードであり、
前記発光素子溶媒は、前記第3官能基を含む第1素子溶媒を形成し、
前記第1素子溶媒は、前記第3官能基が異性化反応して粘度が低い第2素子溶媒を形成する、発光素子インク。
[化学構造式1]
(前記化学構造式1において、前記nは1~5の整数であり、前記R3はC1-C5のアルキル基、C2-C5のアルケニル基、C2-C5のアルキニル基、C1-C5のアルキルエーテル基、C2-C5のアルケニルエーテル基およびC2-C5のアルキルエステル基のいずれか一つである。)
[化学構造式2]
[化学構造式3]
[化学構造式4]
[化学構造式5]
[化学構造式6]
(前記化学構造式2~6において、前記R1およびR2は前記化学構造式1で表され、前記化学構造式1において、前記R1のn値(n1)とR2のn値(n2)の合計は2~6の範囲を有する。) - 前記発光素子溶媒は、下記化学構造式7~11で表される化合物の少なくともいずれか一つを含む、請求項14に記載の発光素子インク。
[化学構造式7]
[化学構造式8]
[化学構造式9]
[化学構造式10]
[化学構造式11]
- 前記半導体結晶は、
第1導電型にドーピングされた第1導電型半導体;
前記第1導電型と異なる極性を有する第2導電型にドーピングされた第2導電型半導体;および
前記第1導電型半導体と前記第2導電型半導体の間に形成される活性層を含む、請求項15に記載の発光素子インク。
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