JP6530227B2 - 化合物、発光素子、発光装置、電子機器、及び照明装置 - Google Patents
化合物、発光素子、発光装置、電子機器、及び照明装置 Download PDFInfo
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- JP6530227B2 JP6530227B2 JP2015086447A JP2015086447A JP6530227B2 JP 6530227 B2 JP6530227 B2 JP 6530227B2 JP 2015086447 A JP2015086447 A JP 2015086447A JP 2015086447 A JP2015086447 A JP 2015086447A JP 6530227 B2 JP6530227 B2 JP 6530227B2
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- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 6
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- 150000002366 halogen compounds Chemical class 0.000 description 4
- 238000004770 highest occupied molecular orbital Methods 0.000 description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 4
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- IVXLJSCOBUIFEN-UHFFFAOYSA-N 3-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]phenanthro[9,10-b]pyrazine Chemical compound O1C(C)(C)C(C)(C)OB1C1=CC=CC(C=2N=C3C4=CC=CC=C4C4=CC=CC=C4C3=NC=2)=C1 IVXLJSCOBUIFEN-UHFFFAOYSA-N 0.000 description 3
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- RJZCLASWUWAWSQ-UHFFFAOYSA-N [6-(9,9-dimethylfluoren-2-yl)dibenzothiophen-4-yl]boronic acid Chemical compound C12=CC=CC(B(O)O)=C2SC2=C1C=CC=C2C1=CC=C2C3=CC=CC=C3C(C)(C)C2=C1 RJZCLASWUWAWSQ-UHFFFAOYSA-N 0.000 description 3
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- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 3
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- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 230000006872 improvement 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
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- CECAIMUJVYQLKA-UHFFFAOYSA-N iridium 1-phenylisoquinoline Chemical compound [Ir].C1=CC=CC=C1C1=NC=CC2=CC=CC=C12.C1=CC=CC=C1C1=NC=CC2=CC=CC=C12.C1=CC=CC=C1C1=NC=CC2=CC=CC=C12 CECAIMUJVYQLKA-UHFFFAOYSA-N 0.000 description 1
- AOZVYCYMTUWJHJ-UHFFFAOYSA-K iridium(3+) pyridine-2-carboxylate Chemical compound [Ir+3].[O-]C(=O)C1=CC=CC=N1.[O-]C(=O)C1=CC=CC=N1.[O-]C(=O)C1=CC=CC=N1 AOZVYCYMTUWJHJ-UHFFFAOYSA-K 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- CMLCVSPDRZVSRT-UHFFFAOYSA-N n,9-diphenyl-n-(9,9'-spirobi[fluorene]-2-yl)carbazol-3-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C3=CC=CC=C3N(C=3C=CC=CC=3)C2=CC=1)C1=CC=C(C=2C(=CC=CC=2)C23C4=CC=CC=C4C4=CC=CC=C43)C2=C1 CMLCVSPDRZVSRT-UHFFFAOYSA-N 0.000 description 1
- WOYDRSOIBHFMGB-UHFFFAOYSA-N n,9-diphenyl-n-(9-phenylcarbazol-3-yl)carbazol-3-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C3=CC=CC=C3N(C=3C=CC=CC=3)C2=CC=1)C1=CC=C(N(C=2C=CC=CC=2)C=2C3=CC=CC=2)C3=C1 WOYDRSOIBHFMGB-UHFFFAOYSA-N 0.000 description 1
- NCCYEOZLSGJEDF-UHFFFAOYSA-N n,n,9-triphenyl-10h-anthracen-9-amine Chemical compound C12=CC=CC=C2CC2=CC=CC=C2C1(C=1C=CC=CC=1)N(C=1C=CC=CC=1)C1=CC=CC=C1 NCCYEOZLSGJEDF-UHFFFAOYSA-N 0.000 description 1
- CRWAGLGPZJUQQK-UHFFFAOYSA-N n-(4-carbazol-9-ylphenyl)-4-[2-[4-(n-(4-carbazol-9-ylphenyl)anilino)phenyl]ethenyl]-n-phenylaniline Chemical compound C=1C=C(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=CC=1C=CC(C=C1)=CC=C1N(C=1C=CC(=CC=1)N1C2=CC=CC=C2C2=CC=CC=C21)C1=CC=CC=C1 CRWAGLGPZJUQQK-UHFFFAOYSA-N 0.000 description 1
- AJNJGJDDJIBTBP-UHFFFAOYSA-N n-(9,10-diphenylanthracen-2-yl)-n,9-diphenylcarbazol-3-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C(C=3C=CC=CC=3)=C3C=CC=CC3=C(C=3C=CC=CC=3)C2=CC=1)C1=CC=C(N(C=2C=CC=CC=2)C=2C3=CC=CC=2)C3=C1 AJNJGJDDJIBTBP-UHFFFAOYSA-N 0.000 description 1
- KUGSVDXBPQUXKX-UHFFFAOYSA-N n-[9,10-bis(2-phenylphenyl)anthracen-2-yl]-n,9-diphenylcarbazol-3-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C(C=3C(=CC=CC=3)C=3C=CC=CC=3)=C3C=CC=CC3=C(C=3C(=CC=CC=3)C=3C=CC=CC=3)C2=CC=1)C1=CC=C(N(C=2C=CC=CC=2)C=2C3=CC=CC=2)C3=C1 KUGSVDXBPQUXKX-UHFFFAOYSA-N 0.000 description 1
- COVCYOMDZRYBNM-UHFFFAOYSA-N n-naphthalen-1-yl-9-phenyl-n-(9-phenylcarbazol-3-yl)carbazol-3-amine Chemical compound C1=CC=CC=C1N1C2=CC=C(N(C=3C=C4C5=CC=CC=C5N(C=5C=CC=CC=5)C4=CC=3)C=3C4=CC=CC=C4C=CC=3)C=C2C2=CC=CC=C21 COVCYOMDZRYBNM-UHFFFAOYSA-N 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- GTUJJVSZIHQLHA-XPWFQUROSA-N pApA Chemical compound C1=NC2=C(N)N=CN=C2N1[C@@H]([C@@H]1O)O[C@H](COP(O)(O)=O)[C@H]1OP(O)(=O)OC[C@H]([C@@H](O)[C@H]1O)O[C@H]1N1C(N=CN=C2N)=C2N=C1 GTUJJVSZIHQLHA-XPWFQUROSA-N 0.000 description 1
- JZRYQZJSTWVBBD-UHFFFAOYSA-N pentaporphyrin i Chemical compound N1C(C=C2NC(=CC3=NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 JZRYQZJSTWVBBD-UHFFFAOYSA-N 0.000 description 1
- 150000005359 phenylpyridines Chemical class 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- HRGDZIGMBDGFTC-UHFFFAOYSA-N platinum(2+) Chemical compound [Pt+2] HRGDZIGMBDGFTC-UHFFFAOYSA-N 0.000 description 1
- 229920000078 poly(4-vinyltriphenylamine) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- VLRICFVOGGIMKK-UHFFFAOYSA-N pyrazol-1-yloxyboronic acid Chemical compound OB(O)ON1C=CC=N1 VLRICFVOGGIMKK-UHFFFAOYSA-N 0.000 description 1
- 125000005548 pyrenylene group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- JIIYLLUYRFRKMG-UHFFFAOYSA-N tetrathianaphthacene Chemical compound C1=CC=CC2=C3SSC(C4=CC=CC=C44)=C3C3=C4SSC3=C21 JIIYLLUYRFRKMG-UHFFFAOYSA-N 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 125000005730 thiophenylene group Chemical group 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- QGJSAGBHFTXOTM-UHFFFAOYSA-K trifluoroerbium Chemical compound F[Er](F)F QGJSAGBHFTXOTM-UHFFFAOYSA-K 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000004704 ultra performance liquid chromatography Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
-
- 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
- H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/90—Multiple hosts in the emissive layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
-
- 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
- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electroluminescent Light Sources (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
本実施の形態では、本発明の一態様の化合物について説明する。
一般式(G1)で表される化合物は、合成スキーム(A−1)のようにして合成することができる。すなわち、ジベンゾ[f,h]キノキサリン誘導体の、ハロゲン化合物又はトリフラート基を有する化合物(a1)と、フルオレニル基が結合したジベンゾチオフェニレン基もしくはジベンゾフラニレン基を有するアリール誘導体の、ボロン酸又は有機ホウ素化合物(a2)とを、パラジウム触媒を用いた鈴木・宮浦反応によりカップリングすることで、一般式(G1)で表される化合物を得ることができる。
一般式(G1)で表される化合物は、合成スキーム(A−2)のようにして合成することもできる。すなわち、ジベンゾ[f,h]キノキサリニル基が結合したアリール誘導体の、ハロゲン化合物又はトリフラート基を持つ化合物(a3)と、フルオレニル基が結合したジベンゾチオフェン誘導体もしくはジベンゾフラン誘導体の、ボロン酸又は有機ホウ素化合物(a4)とを、パラジウム触媒を用いた鈴木・宮浦反応によりカップリングすることでも、一般式(G1)で表される化合物を得ることができる。
本実施の形態では、本発明の一態様の発光素子について図1を用いて説明する。
図1(A)に示す発光素子は、第1の電極201及び第2の電極205の間にEL層203を有する。本実施の形態では、第1の電極201が陽極として機能し、第2の電極205が陰極として機能する。
以下に、それぞれの層に用いることができる材料を例示する。なお、各層は、単層に限られず、二層以上積層してもよい。
陽極として機能する電極(本実施の形態では第1の電極201)は、導電性を有する金属、合金、導電性化合物等を1種又は複数種用いて形成することができる。特に、仕事関数の大きい(4.0eV以上)材料を用いることが好ましい。例えば、インジウムスズ酸化物(ITO:Indium Tin Oxide)、珪素もしくは酸化珪素を含有したインジウムスズ酸化物、インジウム亜鉛酸化物、酸化タングステン及び酸化亜鉛を含有した酸化インジウム、グラフェン、金、白金、ニッケル、タングステン、クロム、モリブデン、鉄、コバルト、銅、パラジウム、チタン、又は金属材料の窒化物(例えば、窒化チタン)等が挙げられる。
陰極として機能する電極(本実施の形態では第2の電極205)は、導電性を有する金属、合金、導電性化合物などを1種又は複数種用いて形成することができる。特に、仕事関数が小さい(3.8eV以下)材料を用いることが好ましい。例えば、元素周期表の第1族又は第2族に属する元素(例えば、リチウム、セシウム等のアルカリ金属、カルシウム、ストロンチウム等のアルカリ土類金属、マグネシウム等)、これら元素を含む合金(例えば、Mg−Ag、Al−Li)、ユーロピウム、イッテルビウム等の希土類金属、これら希土類金属を含む合金、アルミニウム、銀等を用いることができる。
発光層303は、発光物質を含む層である。本実施の形態では、発光層303が、ゲスト材料と、ゲスト材料を分散するホスト材料とを含み、該ホスト材料として本発明の一態様の化合物を用いる場合を例に挙げて説明する。本発明の一態様の化合物は、発光物質が蛍光性化合物や、赤色〜緑色の範囲に含まれる光を発する燐光性化合物である場合の発光層のホスト材料として好適である。
発光層303に用いることができる蛍光性化合物の一例を挙げる。例えば、青色系の発光材料として、N,N’−ビス(3−メチルフェニル)−N,N’−ビス[3−(9−フェニル−9H−フルオレン−9−イル)フェニル]ピレン−1,6−ジアミン(略称:1,6mMemFLPAPrn)、N,N’−ビス(ジベンゾフラン−4−イル)−N,N’−ジフェニルピレン−1,6−ジアミン(略称:1,6FrAPrn−II)、N,N’−ビス[4−(9H−カルバゾール−9−イル)フェニル]−N,N’−ジフェニルスチルベン−4,4’−ジアミン(略称:YGA2S)、4−(9H−カルバゾール−9−イル)−4’−(10−フェニル−9−アントリル)トリフェニルアミン(略称:YGAPA)、4−(10−フェニル−9−アントリル)−4’−(9−フェニル−9H−カルバゾール−3−イル)トリフェニルアミン(略称:PCBAPA)等が挙げられる。また、緑色系の発光材料として、N−(9,10−ジフェニル−2−アントリル)−N,9−ジフェニル−9H−カルバゾール−3−アミン(略称:2PCAPA)、N−[9,10−ビス(1,1’−ビフェニル−2−イル)−2−アントリル]−N,9−ジフェニル−9H−カルバゾール−3−アミン(略称:2PCABPhA)、N−(9,10−ジフェニル−2−アントリル)−N,N’,N’−トリフェニル−1,4−フェニレンジアミン(略称:2DPAPA)、N−[9,10−ビス(1,1’−ビフェニル−2−イル)−2−アントリル]−N,N’,N’−トリフェニル−1,4−フェニレンジアミン(略称:2DPABPhA)、9,10−ビス(1,1’−ビフェニル−2−イル)−N−[4−(9H−カルバゾール−9−イル)フェニル]−N−フェニルアントラセン−2−アミン(略称:2YGABPhA)、N,N,9−トリフェニルアントラセン−9−アミン(略称:DPhAPhA)等が挙げられる。また、黄色系の発光材料として、ルブレン、5,12−ビス(1,1’−ビフェニル−4−イル)−6,11−ジフェニルテトラセン(略称:BPT)等が挙げられる。また、赤色系の発光材料として、N,N,N’,N’−テトラキス(4−メチルフェニル)テトラセン−5,11−ジアミン(略称:p−mPhTD)、7,14−ジフェニル−N,N,N’,N’−テトラキス(4−メチルフェニル)アセナフト[1,2−a]フルオランテン−3,10−ジアミン(略称:p−mPhAFD)等が挙げられる。
正孔輸送層302は、正孔輸送性の高い物質を含む層である。
電子輸送層304は、電子輸送性の高い物質を含む層である。
正孔注入層301は、正孔注入性の高い物質を含む層である。
電子注入層305は、電子注入性の高い物質を含む層である。
電荷発生領域は、正孔輸送性の高い有機化合物に電子受容体(アクセプター)が添加された構成であっても、電子輸送性の高い有機化合物に電子供与体(ドナー)が添加された構成であってもよい。また、これらの両方の構成が積層されていてもよい。
本実施の形態では、本発明の一態様の発光装置について図2及び図3を用いて説明する。
本実施の形態では、本発明の一態様の電子機器及び照明装置の一例について、図4及び図6を用いて説明する。
本実施例では、下記構造式(100)に示される2−{3−[6−(9,9−ジメチルフルオレン−2−イル)ジベンゾチオフェン−4−イル]フェニル}ジベンゾ[f,h]キノキサリン(略称:2mFDBtPDBq)の合成方法について説明する。
1H NMR(DMSO−d6,500MHz):δ=1.27(s,6H),7.24−7.30(m,2H),7.36(dd,J1=6.5Hz,J2=1.0Hz,1H),7.66−7.95(m,15H),8.50(dd,J1=8.0Hz,J1=1.5Hz,1H),8.53(dd,J1=7.5Hz,J1=1.0Hz,1H),8.82(d,J1=8.5Hz,1H),8.85(d,J1=8.0Hz,1H),8.90(st,J1=2.0Hz,1H),9.13(dd,J1=8.0Hz,J1=1.0Hz,1H),9.25(dd,J1=8.0Hz,J2=1.0Hz,1H),9.73(s,1H)
ステップ1の合成スキームを(C−1)に示す。
ステップ2の合成スキームを(C−2)に示す。
本実施例では、下記構造式(112)に示される2−(3−{3−[6−(9,9−ジメチルフルオレン−2−イル)ジベンゾチオフェン−4−イル]フェニル}フェニル)ジベンゾ[f,h]キノキサリン(略称:2mDBtBPDBq−VIII)の合成方法について説明する。
ステップ1の合成スキームを(D−1)に示す。
ステップ2の合成スキームを(D−2)に示す。
ステップ3の合成スキームを(D−3)に示す。
ステップ4の合成スキームを(D−4)に示す。
ステップ5の合成スキームを(D−5)に示す。
1H NMR(DMSO−d6,500MHz):δ=1.31(s,6H),7.22−7.28(m,2H),7.43(dd,J1=6.0Hz,J2=2.0Hz,1H),7.63−7.88(m,15H),7.96(d,J1=7.5Hz,2H),8.28(s,1H),8.47−8.52(m,3H),8.78(s,1H),8.86(dd,J1=8.5Hz,J2=3.5Hz,2H),9.14(dd,J1=8.0Hz,J2=1.0Hz,1H),9.28(dd,J1=8.0Hz,J2=1.0Hz,1H),9.77(s,1H)
ステップ1の合成スキームを(E−1)に示す。
ステップ2の合成スキームを(E−2)に示す。
ガラス基板1100上に、珪素を含むインジウム錫酸化物(ITSO)膜をスパッタリング法にて成膜することで、陽極として機能する第1の電極1101を形成した。なお、その膜厚は110nmとし、電極面積は2mm×2mmとした。
比較発光素子2は、発光層1113及び電子輸送層1114以外は発光素子1と同様に作製した。ここでは、発光素子1と異なる点のみ詳述する。
比較発光素子3は、発光層1113及び電子輸送層1114以外は発光素子1と同様に作製した。ここでは、発光素子1と異なる点のみ詳述する。
発光素子4は、発光層1113以外は発光素子1と同様に作製した。ここでは、発光素子1と異なる点のみ詳述する。
比較発光素子5は、発光層1113及び電子輸送層1114以外は比較発光素子2と同様に作製した。ここでは、比較発光素子2と異なる点のみ詳述する。
発光素子6は、発光層1113及び電子輸送層1114以外は発光素子1と同様に作製した。ここでは、発光素子1と異なる点のみ詳述する。
比較発光素子7bは、発光層1113及び電子輸送層1114以外は発光素子1と同様に作製した。ここでは、発光素子1と異なる点のみ詳述する。
発光素子8は、発光層1113以外は発光素子6と同様に作製した。ここでは、発光素子6と異なる点のみ詳述する。
203 EL層
203a 第1のEL層
203b 第2のEL層
205 第2の電極
207 中間層
301 正孔注入層
302 正孔輸送層
303 発光層
304 電子輸送層
305 電子注入層
310 携帯情報端末
312 表示パネル
313 ヒンジ
315 筐体
320 携帯情報端末
322 表示部
325 非表示部
330 携帯情報端末
333 表示部
335 筐体
336 筐体
337 情報
339 操作ボタン
340 携帯情報端末
345 携帯情報端末
351 筐体
355 情報
356 情報
357 情報
358 表示部
401 支持基板
403 発光素子
405 封止基板
407 封止材
409a 第1の端子
409b 第2の端子
411a 光取り出し構造
411b 光取り出し構造
413 平坦化層
415 空間
417 補助配線
419 絶縁層
421 第1の電極
423 EL層
425 第2の電極
501 支持基板
503 発光素子
504 発光素子
505 封止基板
506 乾燥剤
507 封止材
509 FPC
511 第1の絶縁層
513 第2の絶縁層
515 空間
517 引き出し配線
519 隔壁
521 第1の電極
523 EL層
525 第2の電極
531 ブラックマトリクス
533 カラーフィルタ
535 オーバーコート層
541a トランジスタ
541b トランジスタ
542 トランジスタ
543 トランジスタ
551 発光部
551a 発光部
551b 発光部
552 駆動回路部
553 駆動回路部
561 第1の電極
563 EL層
565 第2の電極
1100 ガラス基板
1101 第1の電極
1103 第2の電極
1111 正孔注入層
1112 正孔輸送層
1113 発光層
1114 電子輸送層
1115 電子注入層
7100 テレビジョン装置
7101 筐体
7102 表示部
7103 スタンド
7111 リモコン操作機
7200 コンピュータ
7201 本体
7202 筐体
7203 表示部
7204 キーボード
7205 外部接続ポート
7206 ポインティングデバイス
7300 携帯型ゲーム機
7301a 筐体
7301b 筐体
7302 連結部
7303a 表示部
7303b 表示部
7304 スピーカ部
7305 記録媒体挿入部
7306 操作キー
7307 接続端子
7308 センサ
7400 携帯電話機
7401 筐体
7402 表示部
7403 操作ボタン
7404 外部接続ポート
7405 スピーカ
7406 マイク
7500 タブレット型端末
7501a 筐体
7501b 筐体
7502a 表示部
7502b 表示部
7503 軸部
7504 電源
7505 操作キー
7506 スピーカ
7601 照明装置
7602 照明装置
7603 卓上照明装置
7604 面状照明装置
7701 照明部
7703 支柱
7705 支持台
Claims (11)
- 式(G0)で表される化合物。
(式中、Aは、置換もしくは無置換のジベンゾチオフェニレン基、又は、置換もしくは無置換のジベンゾフラニレン基を表し、Xは、置換もしくは無置換のフルオレニル基を表し、Eは、置換もしくは無置換のジベンゾ[f,h]キノキサリニル基を表し、Arは、置換もしくは無置換のフェニレン基、又は、置換もしくは無置換のビフェニルジイル基を表す。) - 式(G1)で表される化合物。
(式中、Aは、置換もしくは無置換のジベンゾチオフェニレン基、又は、置換もしくは無置換のジベンゾフラニレン基を表し、Xは、置換もしくは無置換のフルオレニル基を表し、R11〜R19は、それぞれ独立に、水素、炭素数1〜6のアルキル基、又は置換もしくは無置換の炭素数6〜13のアリール基を表し、Arは、置換もしくは無置換のフェニレン基、又は、置換もしくは無置換のビフェニルジイル基を表す。) - 式(G2)で表される化合物。
(式中、Zは、酸素又は硫黄を表し、R11〜R19は、それぞれ独立に、水素、炭素数1〜4のアルキル基、又は置換もしくは無置換の炭素数6〜13のアリール基を表し、R21〜R27のうち少なくともいずれか一が、置換もしくは無置換のフルオレニル基を表し、その他はそれぞれ独立に、水素、炭素数1〜6のアルキル基、又は置換もしくは無置換の炭素数6〜13のアリール基を表し、Arは、置換もしくは無置換のフェニレン基、又は、置換もしくは無置換のビフェニルジイル基を表す。) - 式(G3)で表される化合物。
(式中、Zは、酸素又は硫黄を表し、Xは、置換もしくは無置換のフルオレニル基を表し、R11〜R19、及びR21〜R26は、それぞれ独立に、水素、炭素数1〜6のアルキル基、又は置換もしくは無置換の炭素数6〜13のアリール基を表し、Arは、置換もしくは無置換のフェニレン基、又は、置換もしくは無置換のビフェニルジイル基を表す。) - 請求項1乃至4のいずれか一項において、
前記置換もしくは無置換のフルオレニル基は、置換もしくは無置換の9,9−ジアルキルフルオレニル基である、化合物。 - 式(G4)で表される化合物。
(式中、Zは、酸素又は硫黄を表し、R11〜R19、R21〜R26、及びR31〜R37は、それぞれ独立に、水素、炭素数1〜6のアルキル基、又は、置換もしくは無置換の炭素数6〜13のアリール基を表し、R41及びR42は、それぞれ独立に、水素、又は、炭素数1〜6のアルキル基を表し、Arは、置換もしくは無置換のフェニレン基、又は、置換もしくは無置換のビフェニルジイル基を表す。) - 請求項6において、
前記R41及び前記R42は、メチル基である、化合物。 - 一対の電極間に、請求項1乃至7のいずれか一項に記載の化合物を有する発光素子。
- 請求項8に記載の発光素子と、
トランジスタ又は基板と、を有する、発光装置。 - 請求項9に記載の発光装置と、
マイク、スピーカ、又は外部接続端子と、を有する、電子機器。 - 請求項9に記載の発光装置と、
支柱、筐体、又はカバーと、を有する、照明装置。
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JP6392041B2 (ja) | 2013-09-12 | 2018-09-19 | 株式会社半導体エネルギー研究所 | 有機化合物、発光素子、ディスプレイモジュール、照明モジュール、発光装置、表示装置、電子機器及び照明装置 |
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