JP4578175B2 - メチン化合物からなる有機電界発光素子用材料、それを利用した有機電界発光素子及び新規メチン化合物 - Google Patents
メチン化合物からなる有機電界発光素子用材料、それを利用した有機電界発光素子及び新規メチン化合物 Download PDFInfo
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- JP4578175B2 JP4578175B2 JP2004238149A JP2004238149A JP4578175B2 JP 4578175 B2 JP4578175 B2 JP 4578175B2 JP 2004238149 A JP2004238149 A JP 2004238149A JP 2004238149 A JP2004238149 A JP 2004238149A JP 4578175 B2 JP4578175 B2 JP 4578175B2
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- organic electroluminescent
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- 238000003618 dip coating Methods 0.000 description 1
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- 239000004210 ether based solvent Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
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- 150000002430 hydrocarbons Chemical group 0.000 description 1
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- LHJOPRPDWDXEIY-UHFFFAOYSA-N indium lithium Chemical compound [Li].[In] LHJOPRPDWDXEIY-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- VOFUROIFQGPCGE-UHFFFAOYSA-N nile red Chemical compound C1=CC=C2C3=NC4=CC=C(N(CC)CC)C=C4OC3=CC(=O)C2=C1 VOFUROIFQGPCGE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 150000007978 oxazole derivatives Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 description 1
- FYNROBRQIVCIQF-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole-5,6-dione Chemical class C1=CN=C2C(=O)C(=O)N=C21 FYNROBRQIVCIQF-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical class C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 150000003252 quinoxalines Chemical class 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- OPSWAWSNPREEFQ-UHFFFAOYSA-K triphenoxyalumane Chemical compound [Al+3].[O-]C1=CC=CC=C1.[O-]C1=CC=CC=C1.[O-]C1=CC=CC=C1 OPSWAWSNPREEFQ-UHFFFAOYSA-K 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- WGWZJNILGYTDHU-UHFFFAOYSA-K tris(3,5-dimethylphenoxy)alumane Chemical compound CC=1C=C([O-])C=C(C1)C.[Al+3].CC=1C=C([O-])C=C(C1)C.CC=1C=C([O-])C=C(C1)C WGWZJNILGYTDHU-UHFFFAOYSA-K 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
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Landscapes
- Electroluminescent Light Sources (AREA)
- Pyrane Compounds (AREA)
Description
また、本発明(請求項3記載の発明)は、請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層が、発光層である請求項2記載の有機電界発光素子を提供するものである。
また、本発明(請求項4記載の発明)は、請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層が、正孔注入輸送層である請求項2記載の有機電界発光素子を提供するものである。
また、本発明(請求項5記載の発明)は、請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層が、電子注入輸送層である請求項2記載の有機電界発光素子を提供するものである。
また、本発明(請求項7記載の発明)は、上記発光層が、多環芳香族化合物、発光性有機金属錯体及びトリアリールアミン誘導体からなる群から選択される少なくとも一種を含有する請求項2〜6のいずれか一項に記載の有機電界発光素子を提供するものである。
また、本発明(請求項8記載の発明)は、有機薄膜層の少なくとも一層中に、請求項1記載の有機電界発光素子用材料の一種又は二種以上を、0.1〜40重量%含有する請求項2〜7のいずれか一項に記載の有機電界発光素子を提供するものである。
また、本発明(請求項9記載の発明)は、下記一般式(IX)で表されることを特徴とする新規メチン化合物を提供するものである。
下記一般式(VIII)で表される化合物は、前記一般式(I)におけるYが前記一般式(II)で表される原子団で、前記一般式(II)におけるL1が前記一般式(VI)で表されるアリールアミノ基である。下記一般式(IX)で表される化合物は、前記一般式(I)におけるZが前記一般式(III)で表される原子団で、前記一般式(III)におけるL6が前記一般式(VII)で表されるアリールアミノ基である。下記一般式(X)で表される化合物は、前記一般式(I)におけるYが前記一般式(II)で表される原子団で、前記一般式(II)におけるL1が前記一般式(VI)で表されるアリールアミノ基であり、且つ、前記一般式(I)におけるZが前記一般式(III)で表される原子団で、前記一般式(III)におけるL6が前記一般式(VII)で表されるアリールアミノ基である。
もよく、あるいは複数併用してもよい。
[式中、Qは置換又は未置換の8−キノリノラート配位子を表す]
(Q)2 −Al−O−L 一般式(b)
[式中、Qは置換8−キノリノラート配位子を表し、O−Lはフェノラート配位子であり、Lはフェニル部分を含む炭素数6〜24の炭化水素基を表す]
(Q)2 −Al−O−Al−(Q)2 一般式(c)
[式中、Qは置換8−キノリノラート配位子を表す]
下記合成ルートにより、以下の手順で化合物(1)を合成した。
下記合成ルートにより、以下の手順で化合物(2)を合成した。
下記合成ルートにより、以下の手順で化合物(3)を合成した。
先ず、下記合成ルートにより、以下の手順で化合物(A)を合成した。
下記合成ルートにより、以下の手順で化合物(5)を合成した。
王水蒸気によりパターン化した厚さ130nmのITO透明電極(陽極)を有するガラス基板を、アセトン、基板洗浄剤、蒸留水、イソプロピルアルコールの順で超音波洗浄した。該ガラス基板を、更にUV/オゾン洗浄した後、蒸着装置のホルダーに固定した。蒸着槽を10-6 Torr程度に減圧し、ITO透明電極上に、TPD[N,N'−ビス(3−メチルフェニル)−N,N'−ジフェニルベンジジン]を膜厚約50nm蒸着した後、Alq[トリス(8−ヒドロキシキノリナト)アルミニウム]中に、表1記載の試料化合物が1重量%となるように、蒸着速度を調整して、厚み30nmの有機薄膜を積層した。次いで、該有機薄膜上にパターニングしたマスクを設置して発光面積が5mm×5mmとなるようにし、フッ化リチウム、続いてアルミニウムをそれぞれ0.5nm、150nmの厚みで蒸着して有機EL素子を作製した。この有機EL素子を、KEITHLEY社製ソースメータ2400型を用い直流電圧を印加して発光させ、その輝度をTOPCON社製の輝度計BM−9型を用いて、発光波長を浜松ホトニクス社製マルチチャンネル検出器PMA−11型を用いてそれぞれ測定した。結果を表1に示す。
実施例1と同様に、ITO透明電極を洗浄後、蒸着装置の基板ホルダーに固定した。蒸着槽を10-6 Torr程度に減圧し、ITO透明電極上に、TPD[N,N'−ビス(3−メチルフェニル)−N,N'−ジフェニルベンジジン]を膜厚約30nm、表2記載の試料化合物を膜厚約40nm、Alq.[トリス(8−ヒドロキシキノリナト)アルミニウム]を膜厚60nmで、この順に蒸着した。次いで、実施例1と同様に、陰極を蒸着して有機EL素子を作製した。得られた有機EL素子について、実施例1と同様の測定を行った。その結果を表2に示す。
PVK[ポリ(N−ビニルカルバゾール)]21mg、PBD[2−(4−ビフェニルイル)−5−(4−tert−ブチルフェニル)−1,3,4−オキサジアゾール]9mg、及び表3記載の試料化合物1mgを、1,2−ジクロロエタン3mlに溶解し、実施例1と同様に洗浄したITO基板にスピンコートして有機薄膜を積層した。有機薄膜の膜厚は約60nmであった。次いで、実施例1と同様に陰極を蒸着して有機EL素子を作製した。得られた有機EL素子について、実施例1と同様の測定を行った。その結果を表3に示す。
2 :陽極
3 :正孔注入輸送層
3a:正孔注入輸送成分
4 :発光層
4a:発光成分
5 :電子注入輸送層
5'' :電子注入輸送層
5a:電子注入輸送成分
6 :陰極
7 :電源
Claims (9)
- 一対の電極間に発光層を含む一層以上の有機薄膜層を有し、該有機薄膜層の少なくとも一層が、請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層であることを特徴とする有機電界発光素子。
- 請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層が、発光層である請求項2記載の有機電界発光素子。
- 請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層が、正孔注入輸送層である請求項2記載の有機電界発光素子。
- 請求項1記載の有機電界発光素子用材料を一種又は二種以上含有する層が、電子注入輸送層である請求項2記載の有機電界発光素子。
- 請求項1記載の有機電界発光素子用材料の一種又は二種以上含有する層が、バインダー樹脂中に該有機電界発光素子用材料が分散されている層である請求項2〜5のいずれか一項に記載の有機電界発光素子。
- 上記発光層が、多環芳香族化合物、発光性有機金属錯体及びトリアリールアミン誘導体からなる群から選択される少なくとも一種を含有する請求項2〜6のいずれか一項に記載の有機電界発光素子。
- 有機薄膜層の少なくとも一層中に、請求項1記載の有機電界発光素子用材料の一種又は二種以上を、0.1〜40重量%含有する請求項2〜7のいずれか一項に記載の有機電界発光素子。
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JPH04278954A (ja) * | 1991-03-07 | 1992-10-05 | Toray Ind Inc | ポジ型フォトレジスト組成物 |
JPH0867873A (ja) * | 1994-08-29 | 1996-03-12 | Pioneer Electron Corp | 有機エレクトロルミネッセンス素子 |
JPH09208610A (ja) * | 1996-02-06 | 1997-08-12 | Nippon Kanko Shikiso Kenkyusho:Kk | 光重合開始系増感剤 |
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WO1999040086A1 (fr) * | 1998-02-03 | 1999-08-12 | Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo | Derives de pyranne et leur utilisation |
JP2001220577A (ja) * | 1999-03-09 | 2001-08-14 | Hayashibara Biochem Lab Inc | ピラン誘導体 |
JP2001052869A (ja) * | 1999-08-11 | 2001-02-23 | Hayashibara Biochem Lab Inc | 有機電界発光素子 |
JP2001294585A (ja) * | 2000-04-11 | 2001-10-23 | Hayashibara Biochem Lab Inc | ベンゾピラン誘導体 |
JP2004131427A (ja) * | 2002-10-10 | 2004-04-30 | Asahi Denka Kogyo Kk | 新規メチン化合物及びそれを利用した機能性薄膜 |
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