JP7340548B2 - 複数のホスト材料及びこれを含む有機エレクトロルミネセンスデバイス - Google Patents
複数のホスト材料及びこれを含む有機エレクトロルミネセンスデバイス Download PDFInfo
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- JP7340548B2 JP7340548B2 JP2020571491A JP2020571491A JP7340548B2 JP 7340548 B2 JP7340548 B2 JP 7340548B2 JP 2020571491 A JP2020571491 A JP 2020571491A JP 2020571491 A JP2020571491 A JP 2020571491A JP 7340548 B2 JP7340548 B2 JP 7340548B2
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- 239000000463 material Substances 0.000 title claims description 86
- 150000001875 compounds Chemical class 0.000 claims description 64
- 125000003118 aryl group Chemical group 0.000 claims description 56
- 125000001072 heteroaryl group Chemical group 0.000 claims description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims description 28
- 239000001257 hydrogen Substances 0.000 claims description 28
- 150000002431 hydrogen Chemical class 0.000 claims description 21
- 125000002950 monocyclic group Chemical group 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 12
- 125000000732 arylene group Chemical group 0.000 claims description 11
- 125000001424 substituent group Chemical group 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 125000004306 triazinyl group Chemical group 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- -1 benzoxazole derivative compounds Chemical class 0.000 description 73
- 239000010410 layer Substances 0.000 description 64
- 125000005104 aryl silyl group Chemical group 0.000 description 26
- 125000001769 aryl amino group Chemical group 0.000 description 25
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 24
- 229910052805 deuterium Inorganic materials 0.000 description 24
- 125000000217 alkyl group Chemical group 0.000 description 23
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 description 21
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 20
- 229910052736 halogen Inorganic materials 0.000 description 19
- 150000002367 halogens Chemical class 0.000 description 19
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 18
- 125000000753 cycloalkyl group Chemical group 0.000 description 17
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- 229910052717 sulfur Inorganic materials 0.000 description 15
- 239000002019 doping agent Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 125000003545 alkoxy group Chemical group 0.000 description 11
- 125000005549 heteroarylene group Chemical group 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 235000010290 biphenyl Nutrition 0.000 description 10
- 239000004305 biphenyl Substances 0.000 description 10
- 125000005842 heteroatom Chemical group 0.000 description 10
- 125000003282 alkyl amino group Chemical group 0.000 description 9
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 9
- 125000001624 naphthyl group Chemical group 0.000 description 9
- 238000000151 deposition Methods 0.000 description 8
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 8
- 125000006822 tri(C1-C30) alkylsilyl group Chemical group 0.000 description 8
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 230000005525 hole transport Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 125000000392 cycloalkenyl group Chemical group 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 125000003367 polycyclic group Chemical group 0.000 description 6
- 238000007738 vacuum evaporation Methods 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 5
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 4
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 125000001041 indolyl group Chemical group 0.000 description 4
- 125000004593 naphthyridinyl group Chemical group N1=C(C=CC2=CC=CN=C12)* 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 125000004076 pyridyl group Chemical group 0.000 description 4
- 125000000714 pyrimidinyl group Chemical group 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 125000005878 benzonaphthofuranyl group Chemical group 0.000 description 3
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 125000005493 quinolyl group Chemical group 0.000 description 3
- AYJJTPLDSZAGGA-UHFFFAOYSA-N 2-ethyl-7-methyl-5-(4-methylphenyl)-1,3,4,4a,5,9b-hexahydroindeno[1,2-c]pyridine Chemical class C1N(CC)CCC2C1C1=CC=C(C)C=C1C2C1=CC=C(C)C=C1 AYJJTPLDSZAGGA-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- FBVBNCGJVKIEHH-UHFFFAOYSA-N [1]benzofuro[3,2-b]pyridine Chemical class C1=CN=C2C3=CC=CC=C3OC2=C1 FBVBNCGJVKIEHH-UHFFFAOYSA-N 0.000 description 2
- WIUZHVZUGQDRHZ-UHFFFAOYSA-N [1]benzothiolo[3,2-b]pyridine Chemical class C1=CN=C2C3=CC=CC=C3SC2=C1 WIUZHVZUGQDRHZ-UHFFFAOYSA-N 0.000 description 2
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 2
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 2
- 238000010549 co-Evaporation Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 125000005956 isoquinolyl group Chemical group 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 229910052762 osmium Inorganic materials 0.000 description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 2
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 2
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 125000003226 pyrazolyl group Chemical group 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 125000001425 triazolyl group Chemical group 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 1
- ZDPDDOIOIKNGEJ-UHFFFAOYSA-N 11h-indeno[1,2-h]quinoline Chemical group C1=CC=NC2=C3CC4=CC=CC=C4C3=CC=C21 ZDPDDOIOIKNGEJ-UHFFFAOYSA-N 0.000 description 1
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 1
- HIYWOHBEPVGIQN-UHFFFAOYSA-N 1h-benzo[g]indole Chemical group C1=CC=CC2=C(NC=C3)C3=CC=C21 HIYWOHBEPVGIQN-UHFFFAOYSA-N 0.000 description 1
- CUFNKYGDVFVPHO-UHFFFAOYSA-N Azulene Natural products C1=CC=CC2=CC=CC2=C1 CUFNKYGDVFVPHO-UHFFFAOYSA-N 0.000 description 1
- 125000000739 C2-C30 alkenyl group Chemical group 0.000 description 1
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- TXCDCPKCNAJMEE-UHFFFAOYSA-N Dibenzofuran Natural products C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- CWDFYKZZCSEOPO-UHFFFAOYSA-N [1]benzothiolo[2,3-h]quinoline Chemical class C1=CC=NC2=C3C4=CC=CC=C4SC3=CC=C21 CWDFYKZZCSEOPO-UHFFFAOYSA-N 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000004947 alkyl aryl amino group Chemical group 0.000 description 1
- 125000004448 alkyl carbonyl group Chemical group 0.000 description 1
- 125000005107 alkyl diaryl silyl group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000005129 aryl carbonyl group Chemical group 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000004604 benzisothiazolyl group Chemical group S1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000004603 benzisoxazolyl group Chemical group O1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000002047 benzodioxolyl group Chemical group O1OC(C2=C1C=CC=C2)* 0.000 description 1
- 125000005874 benzothiadiazolyl group Chemical group 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- ZDZHCHYQNPQSGG-UHFFFAOYSA-N binaphthyl group Chemical group C1(=CC=CC2=CC=CC=C12)C1=CC=CC2=CC=CC=C12 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 description 1
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 description 1
- 125000000259 cinnolinyl group Chemical group N1=NC(=CC2=CC=CC=C12)* 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 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
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 125000005105 dialkylarylsilyl group Chemical group 0.000 description 1
- 125000005299 dibenzofluorenyl group Chemical group C1(=CC=CC2=C3C(=C4C=5C=CC=CC5CC4=C21)C=CC=C3)* 0.000 description 1
- 150000004826 dibenzofurans Chemical class 0.000 description 1
- IYYZUPMFVPLQIF-ALWQSETLSA-N dibenzothiophene Chemical class C1=CC=CC=2[34S]C3=C(C=21)C=CC=C3 IYYZUPMFVPLQIF-ALWQSETLSA-N 0.000 description 1
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene sulfoxide Natural products C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000000469 dry deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000003838 furazanyl group Chemical group 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- AWJUIBRHMBBTKR-UHFFFAOYSA-N iso-quinoline Natural products C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 1
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000002183 isoquinolinyl group Chemical class C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 125000004957 naphthylene group Chemical group 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 150000002829 nitrogen Chemical group 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 1
- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000005551 pyridylene group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical class N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 125000005415 substituted alkoxy group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 125000005346 substituted cycloalkyl group Chemical group 0.000 description 1
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 1
- 125000005247 tetrazinyl group Chemical group N1=NN=NC(=C1)* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000004665 trialkylsilyl group Chemical group 0.000 description 1
- 125000005106 triarylsilyl group Chemical group 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
-
- H—ELECTRICITY
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Description
Arは、置換又は非置換(C6~C30)アリール、或いは窒素、酸素、及び硫黄のうちの少なくとも1つを含有する置換又は非置換(3~30員)ヘテロアリールを表し;
L1は、単結合、置換又は非置換(C6~C30)アリーレン、或いは置換又は非置換(3~30員)ヘテロアリーレンを表し;
X1~X8は、それぞれ独立して、水素、重水素、ハロゲン、シアノ、カルボキシル、ニトロ、ヒドロキシル、置換又は非置換(C1~C30)アルキル、置換又は非置換(C3~C30)シクロアルキル、置換又は非置換(C3~C30)シクロアルケニル、置換又は非置換(3~7員)ヘテロシクロアルキル、置換又は非置換(C6~C30)アリール、置換又は非置換(3~30員)ヘテロアリール、-NR5R6、又は-SiR7R8R9を表すか;或いは隣接したX1~X8のうちの隣接したものが互いに結合して環を形成することができ;但し、X1及びX2、X2及びX3、X3及びX4、X4及びX5、X5及びX6、X6及びX7、並びにX7及びX8のうちの少なくとも一対が互いに結合して環を形成することができ、環が1~5個の単環式環を有し;
R5~R9は、それぞれ独立して、水素、重水素、ハロゲン、シアノ、カルボキシル、ニトロ、ヒドロキシル、置換又は非置換(C1~C30)アルキル、置換又は非置換(C3~C30)シクロアルキル、置換又は非置換(C3~C30)シクロアルケニル、置換又は非置換(3~7員)ヘテロシクロアルキル、置換又は非置換(C6~C30)アリール、或いは置換又は非置換(3~30員)ヘテロアリールを表すか;或いはR5~R9のうちの隣接するものが互いに結合して環を形成することができる);及び
Xは、-N=、-NR10-、-O-、又は-S-を表し;
Yは、-N=、-NR11-、-O-、又は-S-を表し;但し、Xが-N=を表すとき、Yは、-NR11-、-O-、又は-S-を表し、Xが-NR10-を表すとき、Yは、-N=、-O-、又は-S-を表し;
HArは、窒素原子を含有する置換又は非置換(3~30員)ヘテロアリールを表し;
L2は、単結合、置換又は非置換(C6~C30)アリーレン、或いは置換又は非置換(3~30員)ヘテロアリーレンを表し;
R1は、置換又は非置換(C6~C30)アリール、或いは置換又は非置換(3~30員)ヘテロアリールを表し;
R2~R4は、それぞれ独立して、水素、重水素、ハロゲン、シアノ、置換又は非置換(C1~C30)アルキル、置換又は非置換(C6~C30)アリール、置換又は非置換(3~30員)ヘテロアリール、置換又は非置換(C3~C30)シクロアルキル、置換又は非置換(C1~C30)アルコキシ、置換又は非置換トリ(C1~C30)アルキルシリル、置換又は非置換ジ(C1~C30)アルキル(C6~C30)アリールシリル、置換又は非置換(C1~C30)アルキルジ(C6~C30)アリールシリル、置換又は非置換トリ(C6~C30)アリールシリル、置換又は非置換モノ-又はジ-(C1~C30)アルキルアミノ、置換又は非置換モノ-又はジ-(C6~C30)アリールアミノ、或いは置換又は非置換(C1~C30)アルキル(C6~C30)アリールアミノを表すか;或いはR2~R4のうちの隣接するものが互いに結合して環を形成することができ;
R10及びR11は、それぞれ独立して、水素、重水素、ハロゲン、シアノ、置換又は非置換(C1~C30)アルキル、置換又は非置換(C6~C30)アリール、置換又は非置換(3~30員)ヘテロアリール、置換又は非置換(C3~C30)シクロアルキル、置換又は非置換(C1~C30)アルコキシ、置換又は非置換トリ(C1~C30)アルキルシリル、置換又は非置換ジ(C1~C30)アルキル(C6~C30)アリールシリル、置換又は非置換(C1~C30)アルキルジ(C6~C30)アリールシリル、置換又は非置換トリ(C6~C30)アリールシリル、置換又は非置換モノ-又はジ-(C1~C30)アルキルアミノ、置換又は非置換モノ-又はジ-(C6~C30)アリールアミノ、或いは置換又は非置換(C1~C30)アルキル(C6~C30)アリールアミノを表し;
a’は1の整数を表し;b’及びc’は、それぞれ独立して、1又は2の整数を表し;d’は1~4の整数を表し;b’、c’、及びd’がそれぞれ独立して2以上の整数である場合、R2~R4のそれぞれは同一であるか又は異なり得る)。
ホスト材料として本開示の化合物の特定の組合せを含むことによって、従来の有機エレクトロルミネセンスデバイスと比較してより高い発光効率及び/又はより長い寿命特性を有する有機エレクトロルミネセンスデバイスを提供すること、及びこれを使用するディスプレイ装置又は証明装置を製造することが可能である。
R104~R107は、それぞれ独立して、水素、重水素、ハロゲン、非置換の又は重水素及び/若しくはハロゲンで置換された(C1~C30)アルキル、置換又は非置換(C3~C30)シクロアルキル、置換又は非置換(C6~C30)アリール、置換又は非置換(3~30員)ヘテロアリール、シアノ、或いは置換又は非置換(C1~C30)アルコキシを表すか;或いは隣接するR104~R107と結合して、ベンゼンと一緒に環、例えば置換又は非置換ナフタレン、置換又は非置換フルオレン、置換又は非置換ジベンゾチオフェン、置換又は非置換ジベンゾフラン、置換又は非置換インデノピリジン、置換又は非置換ベンゾフロピリジン、或いは置換又は非置換ベンゾチエノピリジン環を形成することができ;
R201~R211は、それぞれ独立して、水素、重水素、ハロゲン、非置換の又は重水素及び/若しくはハロゲンで置換された(C1~C30)アルキル、置換又は非置換(C3~C30)シクロアルキル、或いは置換又は非置換(C6~C30)アリールを表すか;或いは隣接するR201~R211と結合して環を形成することができ;及び
n’は1~3の整数を表す。
本開示によるOLEDを以下の通り作製した。OLED(ジオマテック株式会社、日本)のためのガラス基板上の透明電極酸化インジウムスズ(ITO)薄膜(10Ω/sq)をトリクロロエチレン、アセトン、エタノール及び蒸留水で超音波洗浄し、その後、次いでイソプロパノール中に保存した。ITO基板を真空蒸着装置の基板ホルダーに装着した。化合物HI-1を真空蒸着装置のセル中に導入し、その後、装置のチャンバー内の圧力を次に10-6torrに制御した。その後、セルに電流を印加して、上記の導入した材料を蒸発させ、それによってITO基板上に厚さ80nmの第1の正孔注入層を形成した。次に、化合物HI-2を真空蒸着装置の別のセルに導入し、セルに電流を流して蒸着させ、それにより第1の正孔注入層上に厚さ5nmの第2の正孔注入層を形成した。次いで、化合物HT-1を真空蒸着装置の別のセルに導入し、セルに電流を流して蒸発させて、これにより第2の正孔注入層に厚さ10nmの第1の正孔輸送層を形成した。次いで、化合物HT-2を真空蒸着装置の別のセルに導入し、セルに電流を流して蒸発させ、それにより第1の正孔輸送層上に厚さ60nmの第2の正孔輸送層を形成した。正孔注入層及び正孔輸送層を形成した後、以下の通り発光層をその上に形成した。表1に示される第1のホスト化合物及び第2のホスト化合物をホストとして真空蒸着装置の2つのセル内にそれぞれ導入し、ドーパントとして化合物D-39を別のセル内に導入した。2つのホスト材料を1:1の比で蒸発させ、同時にドーパント材料を異なる比で蒸発させて、ホスト及びドーパントの総量に基づいて3重量%のドープ量で蒸着し、40nmの厚さの発光層を第2の正孔輸送層上に形成した。次に、化合物ET-1及び化合物EI-1を2つの他のセル内において1:1の比で蒸発させて、35nmの厚さの電子輸送層を発光層上に蒸着した。電子輸送層上に厚さ2nmの電子注入層として化合物EI-1を蒸着した後、電子注入層上に別の真空蒸着装置によって厚さ80nmのAlカソードを蒸着した。このように、OLEDを製造した。
表1に記載された第1のホスト化合物及び第2のホスト化合物を真空蒸着装置内の2つのセル内ではなく1つのセル内で蒸着したこと以外、デバイス実施例2の場合と同じ方法でOLEDを製造した。
化合物D-39の代わりに化合物D-78をドーパントとして使用したこと以外、デバイス実施例2の場合と同じ方法でOLEDを製造した。
以下の表1に示される第2のホスト化合物のみを2つのホスト化合物の代わりに使用したこと以外、デバイス実施例1の場合と同じ方法でOLEDを製造した。
Claims (4)
- 第1のホスト材料及び第2のホスト材料を含む複数のホスト材料であって、前記第1のホスト材料は、下記の式1:
Arは、酸素を少なくとも1つ含有する非置換(3~30員)ヘテロアリールを表し;
L1は、単結合又は非置換(C6)アリーレンを表し;
X1~X8は、それぞれ独立して、水素、シアノ、又は置換又は非置換(C12)アリールを表すか;或いはX1~X8のうちの隣接したものが互いに結合して環を形成することができ;但し、X1及びX2、X2及びX3、X3及びX4、X4及びX5、X5及びX6、X6及びX7、並びにX7及びX8のうちの少なくとも一対が互いに結合して環を形成することができ、前記環が1~5個の単環式環を有する)により表される化合物を含み、;及び
前記第2のホスト材料は、下記の式2:
Xは、-N=を表し;
Yは、-O-を表し;
HArは、置換トリアジニルを表し、HArにおける前記置換トリアジニルの置換基は、それぞれ独立して、非置換(13員)ヘテロアリール及び非置換(C6~C12)アリールからなる群から選択される少なくとも1つであり;
L2は、単結合を表し、
R1は、非置換(C6)アリールを表し、
R2~R4は、水素を表し;
a’は1の整数を表し;b’及びc’は、2の整数を表し;d’は4の整数を表す)により表される化合物を含む、第1のホスト材料及び第2のホスト材料を含む複数のホスト材料。 - アノードと、カソードと、前記アノードと前記カソードとの間の少なくとも1つの発光層とを含む有機エレクトロルミネセンスデバイスであって、前記発光層の前記少なくとも1つの層は、請求項1に記載の複数のホスト材料を含む、有機エレクトロルミネセンスデバイス。
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US20240065096A1 (en) * | 2020-12-30 | 2024-02-22 | Samsung Sdi Co., Ltd. | Composition for organic optoelectronic device, organic optoelectronic device, and display device |
CN113372289A (zh) * | 2021-05-25 | 2021-09-10 | 上海传勤新材料有限公司 | 一种含有菲并唑类化合物的有机电子材料及其制备方法和应用 |
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