JP6945457B2 - 複数のホスト材料及びそれを含む有機電界発光デバイス - Google Patents
複数のホスト材料及びそれを含む有機電界発光デバイス Download PDFInfo
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- JP6945457B2 JP6945457B2 JP2017565295A JP2017565295A JP6945457B2 JP 6945457 B2 JP6945457 B2 JP 6945457B2 JP 2017565295 A JP2017565295 A JP 2017565295A JP 2017565295 A JP2017565295 A JP 2017565295A JP 6945457 B2 JP6945457 B2 JP 6945457B2
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- substituted
- unsubstituted
- aryl
- host
- alkyl
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- 239000000463 material Substances 0.000 title description 37
- 150000001875 compounds Chemical class 0.000 claims description 71
- 125000003118 aryl group Chemical group 0.000 claims description 38
- -1 dehydrogen Chemical class 0.000 claims description 34
- 239000002019 doping agent Substances 0.000 claims description 26
- 125000001072 heteroaryl group Chemical group 0.000 claims description 21
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 125000002950 monocyclic group Chemical group 0.000 claims description 12
- 125000000732 arylene group Chemical group 0.000 claims description 11
- 125000005842 heteroatom Chemical group 0.000 claims description 11
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000004429 atom Chemical group 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 9
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 9
- 125000003367 polycyclic group Chemical group 0.000 claims description 9
- 125000005104 aryl silyl group Chemical group 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 125000002723 alicyclic group Chemical group 0.000 claims description 6
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 6
- 125000005549 heteroarylene group Chemical group 0.000 claims description 6
- 125000004076 pyridyl group Chemical group 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 claims description 5
- 125000001769 aryl amino group Chemical group 0.000 claims description 5
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 5
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 5
- 125000005493 quinolyl group Chemical group 0.000 claims description 5
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 claims description 5
- 125000000739 C2-C30 alkenyl group Chemical group 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000000304 alkynyl group Chemical group 0.000 claims description 4
- 125000005129 aryl carbonyl group Chemical group 0.000 claims description 4
- 125000004306 triazinyl group Chemical group 0.000 claims description 4
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 3
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 125000006822 tri(C1-C30) alkylsilyl group Chemical group 0.000 claims description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 2
- 125000003282 alkyl amino group Chemical group 0.000 claims description 2
- 125000004414 alkyl thio group Chemical group 0.000 claims description 2
- 125000005110 aryl thio group Chemical group 0.000 claims description 2
- 125000004104 aryloxy group Chemical group 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 125000003107 substituted aryl group Chemical group 0.000 claims description 2
- 125000005346 substituted cycloalkyl group Chemical group 0.000 claims description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims 3
- 229910052805 deuterium Inorganic materials 0.000 claims 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims 1
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 125000000547 substituted alkyl group Chemical group 0.000 claims 1
- 239000010410 layer Substances 0.000 description 83
- 238000002347 injection Methods 0.000 description 20
- 239000007924 injection Substances 0.000 description 20
- 125000004432 carbon atom Chemical group C* 0.000 description 15
- 230000005525 hole transport Effects 0.000 description 10
- 238000007740 vapor deposition Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 9
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000012044 organic layer Substances 0.000 description 5
- 0 *CC(C(*)(C*)*(CCC=C1I)=C1c1c2*)c1c(*)c(*)c2I Chemical compound *CC(C(*)(C*)*(CCC=C1I)=C1c1c2*)c1c(*)c(*)c2I 0.000 description 4
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-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
- 235000010290 biphenyl Nutrition 0.000 description 4
- 239000004305 biphenyl Substances 0.000 description 4
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 4
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 4
- 125000001624 naphthyl group Chemical group 0.000 description 4
- 125000004957 naphthylene group Chemical group 0.000 description 4
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 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
- 229910001507 metal halide Inorganic materials 0.000 description 3
- 150000005309 metal halides Chemical class 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 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
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 150000004770 chalcogenides Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 125000005567 fluorenylene group Chemical group 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 125000002883 imidazolyl group Chemical group 0.000 description 2
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 2
- 125000005956 isoquinolyl group Chemical group 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 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
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Chemical group 0.000 description 2
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 125000003373 pyrazinyl group Chemical group 0.000 description 2
- 125000003226 pyrazolyl group Chemical group 0.000 description 2
- 125000000168 pyrrolyl group Chemical group 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000011593 sulfur Chemical group 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 125000005247 tetrazinyl group Chemical group N1=NN=NC(=C1)* 0.000 description 2
- 125000003831 tetrazolyl group Chemical group 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 125000001425 triazolyl group Chemical group 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 125000006835 (C6-C20) arylene group Chemical group 0.000 description 1
- 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 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 description 1
- 125000004972 1-butynyl group Chemical group [H]C([H])([H])C([H])([H])C#C* 0.000 description 1
- 125000006017 1-propenyl group Chemical group 0.000 description 1
- 125000000530 1-propynyl group Chemical group [H]C([H])([H])C#C* 0.000 description 1
- MYKQKWIPLZEVOW-UHFFFAOYSA-N 11h-benzo[a]carbazole Chemical group C1=CC2=CC=CC=C2C2=C1C1=CC=CC=C1N2 MYKQKWIPLZEVOW-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- 125000000069 2-butynyl group Chemical group [H]C([H])([H])C#CC([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 1
- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 1
- 125000000474 3-butynyl group Chemical group [H]C#CC([H])([H])C([H])([H])* 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 101100451713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) HTL1 gene Proteins 0.000 description 1
- 229910003564 SiAlON Inorganic materials 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000006193 alkinyl group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical group 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000005566 carbazolylene group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 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
- 238000000576 coating method Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 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
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000005105 dialkylarylsilyl group Chemical group 0.000 description 1
- 125000004986 diarylamino group Chemical group 0.000 description 1
- 150000004826 dibenzofurans Chemical class 0.000 description 1
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000012153 distilled water Substances 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
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 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
- 239000003205 fragrance Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 150000002430 hydrocarbons Chemical class 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
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 238000007733 ion plating Methods 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
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 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
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000005551 pyridylene group Chemical group 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 125000005017 substituted alkenyl group Chemical group 0.000 description 1
- 125000004426 substituted alkynyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 125000004665 trialkylsilyl group Chemical group 0.000 description 1
- 125000005106 triarylsilyl group Chemical group 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
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Description
L1は、置換もしくは非置換(C6−C30)アリーレンを表し、
Arは、置換もしくは非置換(C6−C60)アリールを表し、
R1〜R10は、各々独立して、水素、重水素、ハロゲン、シアノ、置換もしくは非置換(C1−C30)アルキル、置換もしくは非置換(C2−C30)アルケニル、置換もしくは非置換(C2−C30)アルキニル、置換もしくは非置換(C3−C30)シクロアルキル、置換もしくは非置換(C6−C60)アリール、置換もしくは非置換(3−30員)ヘテロアリール、置換もしくは非置換トリ(C1−C30)アルキルシリル、置換もしくは非置換トリ(C6−C30)アリールシリル、置換もしくは非置換ジ(C1−C30)アルキル(C6−C30)アリールシリル、または置換もしくは非置換モノもしくはジ(C6−C30)アリールアミノを表すか、あるいは、隣接する置換基(複数可)に連結されて、置換もしくは非置換の単環式もしくは多環式の(C3−C30)脂環式もしくは芳香族環を形成してもよく、その炭素原子(複数可)は、窒素、酸素、及び硫黄から選択される少なくとも1個のヘテロ原子で置き換えられてもよく、
隣接する置換基(複数可)に連結することによって形成される(ヘテロ)芳香族環は、ベンゼン、シクロペンタジエン、インドール、インデン、ベンゾフラン、及びベンゾチオフェンからなる群から選択され、(C1−C10)アルキルまたは(C6−C15)アリールで置換されてもよく、
ヘテロアリールは、B、N、O、S、Si、及びPから選択される少なくとも1個のヘテロ原子を含み、
aは、1〜4の整数を表し、bは、1〜7の整数を表し、a及びbが各々独立して2以上の整数を表す場合、R9及びR10の各々は、同じであっても異なってもよく、
複数のホスト化合物の少なくとも第2のホスト化合物は、以下の式2によって表され、
L2は、単結合、置換もしくは非置換窒素含有(5〜18員)ヘテロアリーレン、または置換もしくは非置換(C6−C30)アリーレンを表し、
Maは、置換もしくは非置換窒素含有(5〜30員)ヘテロアリールを表し、
R11及びR12は、各々独立して、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、置換もしくは非置換(C1−C30)アルキル、置換もしくは非置換(C3−C30)シクロアルキル、置換もしくは非置換(C3−C30)シクロアルケニル、置換もしくは非置換(3〜7員)ヘテロシクロアルキル、置換もしくは非置換(C6−C30)アリール、置換もしくは非置換(3〜30員)ヘテロアリール、−NR13R14、または−SiR15R16R17を表し、
R13〜R17は、各々独立して、置換もしくは非置換(C6−C30)アリール、または置換もしくは非置換(3〜30員)ヘテロアリールを表し、
ヘテロアリール(アリーレン)及びヘテロシクロアルキルは、B、N、O、S、Si、及びPから選択される少なくとも1個のヘテロ原子を含み、かつ
c及びdは、1〜6の整数を表し、c及びdが各々独立して2以上の整数を表す場合、R11及びR12の各々は、同じであっても異なってもよい。
本開示の複数のホスト化合物を含むOLEDデバイスを、以下のように製造した。有機電界発光デバイス(OLED)(Geomatec)用のガラス基板上の透明電極インジウムスズ酸化物(ITO)薄膜(10Ω/sq)を、アセトン、エタノール、及び蒸留水での連続超音波洗浄に供し、次いで、イソプロパノール中で保管した。その後、ITO基板を真空蒸着装置の基板ホルダ上に載置した。化合物HILを真空蒸着装置のセル内へ導入し、次いで、装置のチャンバ内の圧力を10−6トルに制御し、電流をセルに印加することにより蒸着させ、それにより、90nmの厚さを有する第1の正孔注入層をITO基板上に形成した。その後、次いで、化合物HITLを真空蒸着装置の別のセル内へ導入し、電流をセルに印加することにより蒸着させ、それにより、5nmの厚さを有する第2の正孔注入層を第1の正孔注入層上に形成した。化合物HTL1を真空蒸着装置の1つのセル内へ導入し、電流をセルに印加することにより蒸着させ、それにより、10nmの厚さを有する第1の正孔輸送層を第2の正孔注入層上に形成した。次いで、以下の表1に示される化合物HTL(化合物HTL5)を真空蒸着装置の別のセル内へ導入し、電流をセルに印加することにより蒸着させ、それにより、60nmの厚さを有する第2の正孔輸送層を第1の正孔輸送層上に形成した。正孔注入層及び正孔輸送層を形成した後に、次いで、発光層を、以下のように蒸着させた。ホスト材料として、以下の表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、真空蒸着装置の2つのセル内へそれぞれ導入した。化合物D−71を、ドーパントとして別のセル内へ導入した。2つのホスト化合物を同じ1:1の比率で蒸着させた一方、ホスト及びドーパントの総量に基づいて2重量%のドーピング量でドーパントが蒸着されて、第2の正孔輸送層上に40nmの厚さを有する発光層を形成するように、ドーパントをホスト化合物とは異なる比率で蒸着させた。次に、化合物ETL及び化合物EILを、真空蒸着装置の別の2つのセル上で、1:1の割合で蒸発させて、35nmの厚さを有する電子輸送層を発光層上に形成した。電子輸送層上に2nmの厚さを有する化合物EILを電子注入層として蒸着させた後、次いで、80nmの厚さを有するAlカソードを別の真空蒸着装置により電子注入層上に蒸着させた。このように、OLEDデバイスを製造した。
OLEDデバイスを、表1に示される化合物のみを第1のホスト、第2のホスト、及び化合物HTLとして使用したことを除いて、デバイス実施例1−1と同じ様式で製造した。
OLEDデバイスを、表1に示される化合物のみを第1のホスト、第2のホスト、及び化合物HTLとして使用し、80nmの厚さを有する第1の正孔注入層(HIL)を形成し、30nmの厚さを有する電子輸送層(ETL)を形成し、かつドーピング量を3重量%に変更したことを除いて、デバイス実施例1−1と同じ様式で製造した。
OLEDデバイスを、表2に示される化合物のみを第1のホスト、第2のホスト、及び化合物HTLとして使用し、化合物D−134をドーパントとして使用したことを除いて、デバイス実施例1−1と同じ様式で製造した。寿命は、5,000ニット及び定電流での輝度が100%から99%に低減されるのにかかる時間である。
Claims (6)
- アノードとカソードとの間に配置された少なくとも1つの発光層を備える有機電界発光デバイスであって、前記発光層が、ホスト及びリン光ドーパントを含み、前記ホストが、複数のホスト化合物を含み、前記複数のホスト化合物の少なくとも第1のホスト化合物が、以下の式1によって表され、
L1が、置換もしくは非置換(C6−C30)アリーレンを表し、
Arが、置換もしくは非置換(C6−C60)アリールを表し、
R1〜R8が、各々独立して、水素または重水素を表すか、あるいは、隣接する置換基(複数可)に連結されて、非置換のベンゼン環、非置換のベンゾチオフェン環または非置換のベンゾフラン環を形成してもよく、
R 9 及びR10が、各々独立して、水素または重水素を表し、
aが、1〜4の整数を表し、bが、1〜7の整数を表し、a及びbが各々独立して2以上の整数を表す場合、R9及びR10の各々が、同じであっても異なってもよく、
前記複数のホスト化合物の少なくとも第2のホスト化合物が、以下の式2によって表され、
L2が、単結合、置換もしくは非置換窒素含有(5〜18員)ヘテロアリーレン、または置換もしくは非置換(C6−C30)アリーレンを表し、
Maが、置換トリアジニル、置換ピリミジニル、置換ピリジル、置換キナゾリニル、置換キノキサリニルまたは置換キノリルを表し、
R11及びR12が、各々独立して、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、置換もしくは非置換(C1−C30)アルキル、置換もしくは非置換(C3−C30)シクロアルキル、置換もしくは非置換(C3−C30)シクロアルケニル、置換もしくは非置換(3〜7員)ヘテロシクロアルキル、置換もしくは非置換(C6−C30)アリール、置換もしくは非置換(3〜30員)ヘテロアリール、−NR13R14、または−SiR15R16R17を表し、
R13〜R17が、各々独立して、置換もしくは非置換(C6−C30)アリール、または置換もしくは非置換(3〜30員)ヘテロアリールを表し、
前記置換もしくは非置換(3〜30員)ヘテロアリール及び前記置換もしくは非置換(3〜7員)ヘテロシクロアルキルが、環骨格原子としてB、N、O、S、Si、及びPから選択される少なくとも1個のヘテロ原子を含み、前記置換もしくは非置換窒素含有(5〜18員)ヘテロアリーレンが、環骨格原子として少なくとも1個の窒素原子を含み、かつ
c及びdが、1〜6の整数を表し、c及びdが各々独立して2以上の整数を表す場合、R11及びR12の各々が、同じであっても異なってもよい、有機電界発光デバイス。 - 式1のArが、置換もしくは非置換(C6−C20)アリールを表す、請求項1に記載の有機電界発光デバイス。
- R1〜R10が、各々独立して、水素を表す、請求項1に記載の有機電界発光デバイス。
- 式1及び2の前記置換アルキル、前記置換シクロアルキル、前記置換シクロアルケニル、前記置換ヘテロシクロアルキル、前記置換アリール、前記置換アリーレン、前記置換ヘテロアリール、前記置換ヘテロアリーレン、及び前記置換の単環式もしくは多環式の脂環式もしくは芳香族環の前記置換基が、各々独立して、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、(C1−C30)アルキル、ハロ(C1−C30)アルキル、(C2−C30)アルケニル、(C2−C30)アルキニル、(C1−C30)アルコキシ、(C1−C30)アルキルチオ、(C3−C30)シクロアルキル、(C3−C30)シクロアルケニル、(3〜7員)ヘテロシクロアルキル、(C6−C30)アリールオキシ、(C6−C30)アリールチオ、非置換もしくは(C6−C30)アリールで置換された(3〜30員)ヘテロアリール、非置換もしくは(3〜30員)ヘテロアリールで置換された(C6−C30)アリール、トリ(C1−C30)アルキルシリル、トリ(C6−C30)アリールシリル、ジ(C1−C30)アルキル(C6−C30)アリールシリル、(C1−C30)アルキルジ(C6−C30)アリールシリル、アミノ、モノもしくはジ(C1−C30)アルキルアミノ、モノもしくはジ(C6−C30)アリールアミノ、(C1−C30)アルキル(C6−C30)アリールアミノ、(C1−C30)アルキルカルボニル、(C1−C30)アルコキシカルボニル、(C6−C30)アリールカルボニル、ジ(C6−C30)アリールボロニル、ジ(C1−C30)アルキルボロニル、(C1−C30)アルキル(C6−C30)アリールボロニル、(C6−C30)アリール(C1−C30)アルキル、及び(C1−C30)アルキル(C6−C30)アリールからなる群から選択される少なくとも1つである、請求項1に記載の有機電界発光デバイス。
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