JP5864372B2 - 複素環化合物、発光素子、発光装置、電子機器及び照明装置 - Google Patents
複素環化合物、発光素子、発光装置、電子機器及び照明装置 Download PDFInfo
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- JP5864372B2 JP5864372B2 JP2012151310A JP2012151310A JP5864372B2 JP 5864372 B2 JP5864372 B2 JP 5864372B2 JP 2012151310 A JP2012151310 A JP 2012151310A JP 2012151310 A JP2012151310 A JP 2012151310A JP 5864372 B2 JP5864372 B2 JP 5864372B2
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- BHQBDOOJEZXHPS-UHFFFAOYSA-N ctk3i0272 Chemical group C1=CC=CC=C1C(C(=C(C=1C=CC=CC=1)C(=C1C=2C=CC=CC=2)C=2C3=CC=CC=C3C(C=3C4=CC=CC=C4C(C=4C(=C(C=5C=CC=CC=5)C(C=5C=CC=CC=5)=C(C=5C=CC=CC=5)C=4C=4C=CC=CC=4)C=4C=CC=CC=4)=C4C=CC=CC4=3)=C3C=CC=CC3=2)C=2C=CC=CC=2)=C1C1=CC=CC=C1 BHQBDOOJEZXHPS-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 150000002390 heteroarenes Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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- 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
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- 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
- UMFJAHHVKNCGLG-UHFFFAOYSA-N n-Nitrosodimethylamine Chemical compound CN(C)N=O UMFJAHHVKNCGLG-UHFFFAOYSA-N 0.000 description 1
- VZYZZKOUCVXTOJ-UHFFFAOYSA-N n-[4-[4-(n-(9,9-dimethylfluoren-2-yl)anilino)phenyl]phenyl]-9,9-dimethyl-n-phenylfluoren-2-amine Chemical group C1=C2C(C)(C)C3=CC=CC=C3C2=CC=C1N(C=1C=CC(=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=C2C(C)(C)C3=CC=CC=C3C2=CC=1)C1=CC=CC=C1 VZYZZKOUCVXTOJ-UHFFFAOYSA-N 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-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
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000001225 nuclear magnetic resonance method Methods 0.000 description 1
- VVRQVWSVLMGPRN-UHFFFAOYSA-N oxotungsten Chemical class [W]=O VVRQVWSVLMGPRN-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
- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 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
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- KBBSSGXNXGXONI-UHFFFAOYSA-N phenanthro[9,10-b]pyrazine Chemical group C1=CN=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 KBBSSGXNXGXONI-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000078 poly(4-vinyltriphenylamine) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 150000002909 rare earth metal compounds Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 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
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 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
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-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
- 125000001544 thienyl group Chemical group 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000002834 transmittance Methods 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
- FPZZZGJWXOHLDJ-UHFFFAOYSA-N trihexylphosphane Chemical compound CCCCCCP(CCCCCC)CCCCCC FPZZZGJWXOHLDJ-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- GWDUZCIBPDVBJM-UHFFFAOYSA-L zinc;2-(2-hydroxyphenyl)-3h-1,3-benzothiazole-2-carboxylate Chemical compound [Zn+2].OC1=CC=CC=C1C1(C([O-])=O)SC2=CC=CC=C2N1.OC1=CC=CC=C1C1(C([O-])=O)SC2=CC=CC=C2N1 GWDUZCIBPDVBJM-UHFFFAOYSA-L 0.000 description 1
- QEPMORHSGFRDLW-UHFFFAOYSA-L zinc;2-(2-hydroxyphenyl)-3h-1,3-benzoxazole-2-carboxylate Chemical compound [Zn+2].OC1=CC=CC=C1C1(C([O-])=O)OC2=CC=CC=C2N1.OC1=CC=CC=C1C1(C([O-])=O)OC2=CC=CC=C2N1 QEPMORHSGFRDLW-UHFFFAOYSA-L 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
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- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/10—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
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- 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
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/20—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
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- 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
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- 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
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
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- C09K2211/1018—Heterocyclic compounds
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- C09K2211/10—Non-macromolecular compounds
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- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1092—Heterocyclic compounds characterised by ligands containing sulfur as the only heteroatom
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- H10K50/00—Organic light-emitting devices
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- Electroluminescent Light Sources (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
本実施の形態では、本発明の一態様の複素環化合物について説明する。
はじめに合成スキーム(A−1)を以下に示す。
以下では、一般式(G1)で表される複素環化合物の別の合成方法について説明する。はじめに、Aのホウ素化合物を原料に用いる場合の、合成スキーム(B−1)を以下に示す。
本実施の形態では、本発明の一態様の化合物を発光層に用いた発光素子について図1を用いて説明する。
本実施の形態は複数の発光ユニットを積層した構成の発光素子(以下、タンデム型素子、または積層型素子という)の態様について、図2を参照して説明する。この発光素子は、第1の電極と第2の電極との間に複数の発光ユニットを有する発光素子である。
本実施の形態では、本発明の一態様として、ジベンゾ[f,h]キノリン環と正孔輸送骨格とがアリーレン基を介して結合した化合物をホスト材料として用い、他の2種類以上の有機化合物を発光層に用いた発光素子について説明する。
本実施の形態では、本発明の一態様であるジベンゾ[f,h]キノリン環と正孔輸送骨格とがアリーレン基を介して結合した化合物を用いた発光装置について図4を用いて説明する。
本実施の形態では、本発明の一態様の、発光素子を有する発光装置について図5を用いて説明する。なお、図5(A)は、発光装置を示す上面図、図5(B)は図5(A)をA−B及びC−Dで切断した断面図である。
本実施の形態では、上記実施の形態に示す本発明の一態様の発光装置を含む電子機器について説明する。電子機器としては、ビデオカメラ、デジタルカメラ等のカメラ、ゴーグル型ディスプレイ、ナビゲーションシステム、音響再生装置(カーオーディオ、オーディオコンポ等)、コンピュータ、ゲーム機器、携帯情報端末(モバイルコンピュータ、携帯電話、携帯型ゲーム機又は電子書籍等)、記録媒体を備えた画像再生装置(具体的には、Digital Versatile Disc(DVD)等の記録媒体を再生し、その画像を表示しうる表示装置を備えた装置)などが挙げられる。これらの電子機器の具体例を図7に示す。
2−[3−(ジベンゾチオフェン−4−イル)フェニル]ジベンゾ[f,h]キノリン(略称:2mDBTPDBQu−II)の合成スキームを(C−1)に示す。
1H NMR(CDCl3,300MHz):δ=7.48−7.51(m、2H)、7.61−7.89(m、9H)、8.16(d、J=8.4Hz、1H)、8.22−8.25(m、2H)、8.44(d、J=7.8Hz、1H)、8.60−8.72(m、3H)、8.79(s、1H)、8.97(d、J=8.7Hz、1H)、9.57−9.60(m、1H)。
まず、基板1100上に、珪素若しくは酸化珪素を含有した酸化インジウム−酸化スズ化合物(ITO−SiO2、以下ITSOと略記する。)をスパッタリング法にて成膜し、第1の電極1101を形成した。なお、用いたターゲットの組成比は、In2O3:SnO2:SiO2=85:10:5[重量%]とした。また、第1の電極1101の膜厚は、110nmとし、電極面積は2mm×2mmとした。ここで、第1の電極1101は、発光素子の陽極として機能する電極である。
発光素子1における発光層1113に対応する比較発光素子2における発光層1113を、4−[3−(トリフェニレン−2−イル)フェニル]ジベンゾチオフェン(略称:mDBTPTp−II)と、4、4’−ジ(1−ナフチル)−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:PCBNBB)と、ビス(3,5−ジメチル−2−フェニルピラジナト)(ジピバロイルメタナト)イリジウム(III)(略称:[Ir(mppr−Me)2(dpm)])と、を共蒸着することで形成した。ここで、mDBTPTp−II(略称)、PCBNBB(略称)、及び[Ir(mppr−Me)2(dpm)](略称)の重量比は、0.8:0.2:0.05(=mDBTPTp−II:PCBNBB:[Ir(mppr−Me)2(dpm)])となるように調節した。また、発光層1113の膜厚は40nmとした。
発光素子1における発光層1113に対応する比較発光素子3における発光層1113を、2−[3−(ジベンゾチオフェン−4−イル)フェニル]ジベンゾ[f,h]キノリン(略称:2mDBTPDBQu−II)と、4−フェニル−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:PCBA1BP)と、トリス(2−フェニルピリジナト−N,C2’)イリジウム(III)(略称:[Ir(ppy)3])と、を共蒸着することで形成した。ここで、2mDBTPDBQu−II(略称)、PCBA1BP(略称)、及び[Ir(ppy)3](略称)の重量比は、0.8:0.2:0.06(=2mDBTPDBQu−II:PCBA1BP:[Ir(ppy)3])となるように調節した。また、発光層1113の膜厚は30nmとした。
上記実施例2で用いた4−フェニル−4’−(9−フェニルフルオレン−9−イル)トリフェニルアミン(略称:BPAFLP)の合成方法について具体的に説明する。BPAFLPの構造を以下に示す。
100mL三口フラスコにて、マグネシウム1.2g(50mmol)を、減圧下で30分加熱撹拌し、マグネシウムを活性化させた。これを室温に冷ましてフラスコ内を窒素雰囲気にした後、ジブロモエタン数滴を加えて発泡、発熱するのを確認した。ここにジエチルエーテル10mL中に溶かした2−ブロモビフェニルを12g(50mmol)ゆっくり滴下した後、2.5時間加熱還流撹拌してグリニヤール試薬とした。
100mL三口フラスコへ、9−(4−ブロモフェニル)−9−フェニルフルオレン3.2g(8.0mmol)、4−フェニル−ジフェニルアミン2.0g(8.0mmol)、ナトリウム tert−ブトキシド1.0g(10mmol)、ビス(ジベンジリデンアセトン)パラジウム(0)23mg(0.04mmol)を加え、フラスコ内の雰囲気を窒素置換した。この混合物へ、脱水キシレン20mLを加えた。この混合物を、減圧下で攪拌しながら脱気した後、トリ(tert−ブチル)ホスフィン(10wt%ヘキサン溶液)0.2mL(0.1mmol)を加えた。この混合物を、窒素雰囲気下、110℃で2時間加熱撹拌し、反応させた。
1H NMR(CDCl3,300MHz):δ(ppm)=6.63−7.02(m,3H)、7.06−7.11(m,6H)、7.19−7.45(m,18H)、7.53−7.55(m,2H)、7.75(d,J=6.9,2H)。
上記実施例2で用いた4−フェニル−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:PCBA1BP)の合成方法について具体的に説明する。PCBA1BPの構造を以下に示す。
ステップ1における4−ブロモジフェニルアミンの合成スキームを下記(E−1)に示す。
ステップ2−1における3−ブロモ−9−フェニル−9H−カルバゾールの合成スキームを下記(E−2−1)に示す。
ステップ2−2における9−フェニル−9H−カルバゾール−3−ボロン酸の合成スキームを下記(E−2−2)に示す。
ステップ3における4−(9−フェニル−9H−カルバゾール−3−イル)ジフェニルアミン(略称:PCBA)の合成スキームを下記(E−3)に示す。
ステップ4における4−フェニル−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:PCBA1BP)の合成スキームを下記(E−4)に示す。
1H NMR(DMSO−d6,300MHz):δ(ppm)=7.05−7.20(m,7H)、7.28−7.78(m,21H)、8.34(d,J=7.8Hz,1H)、8.57(s,1H)。
2−{3−[3−(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]キノリン(略称:2mDBTBPDBQu−II)の合成スキームを(F−1)に示す。
1H NMR(CDCl3,300MHz):δ=7.43−7.51(m、2H)、7.60−7.85(m、12H)、8.13(d、J=8.7Hz、1H)、8.18−8.23(m、3H)、8.35(d、J=7.8Hz、1H)、8.59−8.71(m、4H)、8.94(d、J=8.7Hz、1H)、9.58(dd、J=1.5Hz、8.4Hz、1H)。
まず、基板1100上に、珪素若しくは酸化珪素を含有した酸化インジウム−酸化スズ化合物(ITO−SiO2、以下ITSOと略記する。)をスパッタリング法にて成膜し、第1の電極1101を形成した。なお、用いたターゲットの組成比は、In2O3:SnO2:SiO2=85:10:5[重量%]とした。また、第1の電極1101の膜厚は、110nmとし、電極面積は2mm×2mmとした。ここで、第1の電極1101は、発光素子の陽極として機能する電極である。
発光素子4における発光層1113に対応する比較発光素子5における発光層1113を、4−[3−(トリフェニレン−2−イル)フェニル]ジベンゾチオフェン(略称:mDBTPTp−II)と、4、4’−ジ(1−ナフチル)−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:PCBNBB)と、(アセチルアセトナト)ビス(6−tert−ブチル−4−フェニルピリミジナト)イリジウム(III)(略称:[Ir(tBuppm)2(acac)])と、を共蒸着することで形成した。ここで、mDBTPTp−II(略称)、PCBNBB(略称)、及び[Ir(tBuppm)2(acac)](略称)の重量比は、0.8:0.2:0.05(=mDBTPTp−II:PCBNBB:[Ir(tBuppm)2(acac)])となるように調節した。また、発光層1113の膜厚は40nmとした。
101 第1の電極
102 EL層
103 第2の電極
111 正孔注入層
112 正孔輸送層
113 発光層
114 電子輸送層
115 電子注入層
201 第1の電極
202 第2の電極
203 EL層
204 発光層
205 燐光性化合物
206 第1の有機化合物
207 第2の有機化合物
301 第1の電極
303 第2の電極
311 第1の発光ユニット
312 第2の発光ユニット
313 電荷発生層
401 ソース側駆動回路
402 画素部
403 ゲート側駆動回路
404 封止基板
405 シール材
407 空間
408 配線
410 素子基板
411 スイッチング用TFT
412 電流制御用TFT
413 第1の電極
414 絶縁物
416 発光層
417 第2の電極
418 発光素子
423 nチャネル型TFT
424 pチャネル型TFT
450B 発光素子
450G 発光素子
450R 発光素子
451 反射電極
452 半透過・半反射電極
453a 透明導電層
453b 透明導電層
454B 発光層
454G 発光層
454R 発光層
455 EL層
501 基板
502 第1の電極
503 第2の電極
504 EL層
505 絶縁層
506 隔壁層
611 筐体
612 支持台
613 表示部
614 スピーカー部
615 ビデオ入力端子
621 本体
622 筐体
623 表示部
624 キーボード
625 外部接続ポート
626 ポインティングデバイス
631 本体
632 筐体
633 表示部
634 音声入力部
635 音声出力部
636 操作キー
637 外部接続ポート
638 アンテナ
641 本体
642 表示部
643 筐体
644 外部接続ポート
645 リモコン受信部
646 受像部
647 バッテリー
648 音声入力部
649 操作キー
650 接眼部
701 筐体
702 液晶層
703 バックライト
704 筐体
705 ドライバIC
706 端子
801 筐体
802 光源
901 照明装置
902 テレビ装置
1100 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
1114a 第1の電子輸送層
1114b 第2の電子輸送層
1115 電子注入層
Claims (14)
- 一般式(G0)で表される構造を有する複素環化合物。
- 一般式(G1)で表される構造を有する複素環化合物。
- 一般式(G2−1)で表される構造を有する複素環化合物。
- 一般式(G2−2)で表される構造を有する複素環化合物。
- 請求項3に記載の前記Arまたは請求項4に記載の前記Arが、置換または無置換のフェニレン基、置換または無置換のビフェニルジイル基のいずれかである複素環化合物。
- 請求項3に記載の前記Arまたは請求項4に記載の前記Arが、置換または無置換のフェニレン基である複素環化合物。
- 請求項3に記載の前記Arまたは請求項4に記載の前記Arが、置換または無置換のm−フェニレン基である複素環化合物。
- 一般式(G3−1)で表される構造を有する複素環化合物。
- 一般式(G3−2)で表される構造を有する複素環化合物。
- 一対の電極間に、
請求項1乃至請求項9のいずれか一に記載の複素環化合物を有する発光素子。 - 一対の電極間に発光層を有し、
前記発光層は請求項1乃至請求項9のいずれか一に記載の複素環化合物を有する発光素子。 - 請求項10または請求項11に記載の発光素子を有する発光装置。
- 請求項10または請求項11に記載の発光素子を有する電子機器。
- 請求項10または請求項11に記載の発光素子を有する照明装置。
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JP2014143412A (ja) * | 2012-12-28 | 2014-08-07 | Semiconductor Energy Lab Co Ltd | 発光素子、発光装置、電子機器、及び照明装置 |
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KR102027953B1 (ko) | 2019-10-02 |
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US20130009543A1 (en) | 2013-01-10 |
US20160226004A1 (en) | 2016-08-04 |
US9309223B2 (en) | 2016-04-12 |
US9843000B2 (en) | 2017-12-12 |
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TWI550056B (zh) | 2016-09-21 |
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