JP6244359B2 - 新規な化合物及びこれを含む有機電界発光素子 - Google Patents
新規な化合物及びこれを含む有機電界発光素子 Download PDFInfo
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- JP6244359B2 JP6244359B2 JP2015521527A JP2015521527A JP6244359B2 JP 6244359 B2 JP6244359 B2 JP 6244359B2 JP 2015521527 A JP2015521527 A JP 2015521527A JP 2015521527 A JP2015521527 A JP 2015521527A JP 6244359 B2 JP6244359 B2 JP 6244359B2
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- 150000001454 anthracenes Chemical class 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- YCOXTKKNXUZSKD-UHFFFAOYSA-N as-o-xylenol Natural products CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229940126208 compound 22 Drugs 0.000 description 1
- 229940126540 compound 41 Drugs 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 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
- 238000003618 dip coating Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 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
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002962 imidazol-1-yl group Chemical group [*]N1C([H])=NC([H])=C1[H] 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
- 125000003406 indolizinyl group Chemical group C=1(C=CN2C=CC=CC12)* 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- SNHMUERNLJLMHN-UHFFFAOYSA-N iodobenzene Chemical compound IC1=CC=CC=C1 SNHMUERNLJLMHN-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 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
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- RENRQMCACQEWFC-UGKGYDQZSA-N lnp023 Chemical compound C1([C@H]2N(CC=3C=4C=CNC=4C(C)=CC=3OC)CC[C@@H](C2)OCC)=CC=C(C(O)=O)C=C1 RENRQMCACQEWFC-UGKGYDQZSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000012736 patent blue V Nutrition 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000003373 pyrazinyl 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
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000246 pyrimidin-2-yl group Chemical group [H]C1=NC(*)=NC([H])=C1[H] 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 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
- 238000005406 washing Methods 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
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
Classifications
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- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
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- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
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- Optics & Photonics (AREA)
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- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Description
X2は、N又はCR6であり;
Y1乃至Y4は、それぞれ独立に、N又はCR7であり、この時、複数個のCR7は、互いに、同一又は異なっており、
但し、Y1乃至Y4のうちの少なくとも1つは、CR7であり、これは、隣接する基と縮合して下記化学式2で示される縮合環を形成し;
R1乃至R7は、それぞれ独立に、水素、重水素、ハロゲン、シアノ、置換もしくは非置換のC1〜C40のアルキル基、置換もしくは非置換のC3〜C40のシクロアルキル基、置換もしくは非置換の核原子数3乃至40のヘテロシクロアルキル基、置換もしくは非置換のC6〜C60のアリール基、置換もしくは非置換の核原子数5乃至60のヘテロアリール基、置換もしくは非置換のC1〜C40のアルキルオキシ基、置換もしくは非置換のC6〜C60のアリールオキシ基、置換もしくは非置換のC1〜C40のアルキルシリル基、置換もしくは非置換のC6〜C60のアリールシリル基、置換もしくは非置換のC1〜C40のアルキルボロン基、置換もしくは非置換のC6〜C60のアリールボロン基、置換もしくは非置換のC6〜C60のアリールホスフィン基、置換もしくは非置換のC6〜C60のアリールホスフィンオキシド基、及び置換もしくは非置換のC6〜C60のアリールアミン基からなる群から選択され、又は、隣接した基と縮合環を形成する基であり、
この時、R1乃至R7のアルキル基、シクロアルキル基、ヘテロシクロアルキル基、アリール基、ヘテロアリール基、アルキルオキシ基、アリールオキシ基、アルキルシリル基、アリールシリル基、アルキルボロン基、アリールボロン基、アリールホスフィン基、アリールホスフィンオキシド基、及びアリールアミン基は、それぞれ独立に、重水素、ハロゲン、シアノ、C1〜C40のアルキル基、C3〜C40のシクロアルキル基、核原子数3乃至40のヘテロシクロアルキル基、C6〜C60のアリール基、核原子数5乃至60のヘテロアリール基、C1〜C40のアルキルオキシ基、C6〜C60のアリールオキシ基、C6〜C60のアリールボラン基、C6〜C60のアリールシリル基、C1〜C40のアルキルシリル基、C6〜C60のアリールシリル基、C1〜C40のアルキルボロン基、C6〜C60のアリールボロン基、C6〜C60のアリールホスフィン基、C6〜C60のアリールホスフィンオキシド基、及びC6〜C60のアリールアミン基からなる群から選択される1つ以上の置換基で置換されることができ;
式中、点線は、化学式1で示される化合物との縮合部位を示し;
X3は、O、S、Se、N(Ar1)、C(Ar2)(Ar3)、及びSi(Ar4)(Ar5)からなる群から選択され;
Ar1乃至Ar5は、それぞれ独立に、置換もしくは非置換のC1〜C40のアルキル基、置換もしくは非置換のC3〜C40のシクロアルキル基、置換もしくは非置換の核原子数3乃至40のヘテロシクロアルキル基、置換もしくは非置換のC6〜C60のアリール基、置換もしくは非置換の核原子数5乃至60のヘテロアリール基、置換もしくは非置換のC1〜C40のアルキルオキシ基、置換もしくは非置換のC6〜C60のアリールオキシ基、置換もしくは非置換のC1〜C40のアルキルシリル基、置換もしくは非置換のC6〜C60のアリールシリル基、置換もしくは非置換のC1〜C40のアルキルボロン基、置換もしくは非置換のC6〜C60のアリールボロン基、置換もしくは非置換のC6〜C60のアリールホスフィン基、置換もしくは非置換のC6〜C60のアリールホスフィンオキシド基、及び置換もしくは非置換のC6〜C60のアリールアミン基からなる群から選択され;
この時、前記Ar1乃至Ar5のアルキル基、シクロアルキル基、ヘテロシクロアルキル基、アリール基、ヘテロアリール基、アルキルオキシ基、アリールオキシ基、アルキルシリル基、アリールシリル基、アルキルボロン基、アリールボロン基、アリールホスフィン基、アリールホスフィンオキシド基、及びアリールアミン基は、それぞれ独立に、重水素、ハロゲン、シアノ、C1〜C40のアルキル基、C3〜C40のシクロアルキル基、核原子数3乃至40のヘテロシクロアルキル基、C6〜C60のアリール基、核原子数5乃至60のヘテロアリール基、C1〜C40のアルキルオキシ基、C6〜C60のアリールオキシ基、C6〜C60のアリールボラン基、C6〜C60のアリールシリル基、C1〜C40のアルキルシリル基、C6〜C60のアリールシリル基、C1〜C40のアルキルボロン基、C6〜C60のアリールボロン基、C6〜C60のアリールホスフィン基、C6〜C60のアリールホスフィンオキシド基、及びC6〜C60のアリールアミン基からなる群から選択される1つ以上の置換基で置換されることができ;
Y5乃至Y8は、それぞれ独立に、N又はCR8であり、この時、複数個のCR8は、互いに、同一又は異なっており;
R8は、水素、重水素、ハロゲン、シアノ、置換もしくは非置換のC1〜C40のアルキル基、置換もしくは非置換のC3〜C40のシクロアルキル基、置換もしくは非置換の核原子数3乃至40のヘテロシクロアルキル基、置換もしくは非置換のC6〜C60のアリール基、置換もしくは非置換の核原子数5乃至60のヘテロアリール基、置換もしくは非置換のC1〜C40のアルキルオキシ基、置換もしくは非置換のC6〜C60のアリールオキシ基、置換もしくは非置換のC1〜C40のアルキルシリル基、置換もしくは非置換のC6〜C60のアリールシリル基、置換もしくは非置換のC1〜C40のアルキルボロン基、置換もしくは非置換のC6〜C60のアリールボロン基、置換もしくは非置換のC6〜C60のアリールホスフィン基、置換もしくは非置換のC6〜C60のアリールホスフィンオキシド基、及び置換もしくは非置換のC6〜C60のアリールアミン基からなる群から選択され、又は、隣接した基と縮合環を形成する基であり、
この時、R8のアルキル基、シクロアルキル基、ヘテロシクロアルキル基、アリール基、ヘテロアリール基、アルキルオキシ基、アリールオキシ基、アルキルシリル基、アリールシリル基、アルキルボロン基、アリールボロン基、アリールホスフィン基、アリールホスフィンオキシド基、及びアリールアミン基は、それぞれ独立に、重水素、ハロゲン、シアノ、C1〜C40のアルキル基、C3〜C40のシクロアルキル基、核原子数3乃至40のヘテロシクロアルキル基、C6〜C60のアリール基、核原子数5乃至60のヘテロアリール基、C1〜C40のアルキルオキシ基、C6〜C60のアリールオキシ基、C6〜C60のアリールボラン基、C6〜C60のアリールシリル基、C1〜C40のアルキルシリル基、C6〜C60のアリールシリル基、C1〜C40のアルキルボロン基、C6〜C60のアリールボロン基、C6〜C60のアリールホスフィン基、C6〜C60のアリールホスフィンオキシド基、及びC6〜C60のアリールアミン基からなる群から選択される1つ以上の置換基で置換されることができる。
また、本発明に係る化合物を、正孔注入層、正孔輸送層及び/又は発光層に含む有機電界発光素子は、発光性能、駆動電圧、寿命、効率などを大きく向上させ、さらには、フルカラーディスプレィパネルなどに効果的に適用することができる。
本発明に係る新規な化合物は、インドール系モイエティ(Indole Moiety)、インダゾール系モイエティ(Indazole Moiety)又はベンズイミダゾール系モイエティ(Benzimidazole Moiety)などに、インドール系モイエティなどが融合(Fused)して基本骨格を成し、このような基本骨格に種々の置換体が結合されている化合物であって、前記化学式1で示されることを特徴とする。このような化学式1で示される化合物は、従来、有機EL素子用材料[例えば、4,4−ジカルバゾールビフェニル(4,4−dicarbazolybiphenyl)](以下、「CBP」と記する)より高い分子量を有し、熱的安定性が高く、かつ正孔注入能、正孔輸送能、発光能などに優れている。従って、前記化学式1で示される化合物を、有機電界発光素子に含む場合、素子の駆動電圧、効率などが向上できる。
前記R1乃至R5は、それぞれ独立に、水素、置換もしくは非置換のC1〜C40のアルキル基、置換もしくは非置換のC6〜C60のアリール基、置換もしくは非置換の核原子数5乃至60のヘテロアリール基、及び置換もしくは非置換のC6〜C60のアリールアミン基からなる群から選択されることが好ましい。
Y1乃至Y4は、それぞれ独立に、N又はCR7であり、この時、複数個のCR7は、互いに、同一又は異なっており、
R7は、化学式1における定義と同じであり、
Y5乃至Y8は、それぞれ独立に、化学式1における定義と同じであり、この時、複数個のY5は、互いに、同一又は異なっており、複数個のY6は、互いに、同一又は異なっており、複数個のY7は、互いに、同一又は異なっており、複数個のY8は、互いに、同一又は異なっている。
<ステップ1>5−(2−ニトロフェニル)−1H−ベンゾ[d]イミダゾールの合成
1H-NMR: δ 7.68(m, 2H), 8.02(m, 5H), 8.14(s, 1H), 8.45(s, 1H)
<ステップ1>5−(2−ニトロフェニル)−1H−ベンゾ[d][1,2,3]トリアゾールの合成
1H-NMR: δ 7.68(m, 2H), 7.92(t, 1H), 8.03(m, 3H), 8.20(s, 1H)
<ステップ1>5−(2−ニトロフェニル)ベンゾ[d]オキサゾールの合成
1H-NMR: δ 7.65(t, 1H), 7.88(m, 4H), 8.12(m, 3H)
<ステップ1>6−(2−ニトロフェニル)ベンゾ[d]チアゾールの合成
1H-NMR: δ 7.72(m, 2H), 7.92(m, 3H), 8.35(s, 1H), 9.28(s, 1H)
<ステップ1>5−(2−ニトロフェニル)−1H−ベンゾ[d]イミダゾールの合成
準備例1の<ステップ1>と同様にして化合物5−(2−ニトロフェニル)−1H−ベンゾ[d]イミダゾールを得た。
<ステップ1>5−(2−ニトロフェニル)−1H−ベンゾ[d][1,2,3]トリアゾールの合成
<ステップ1>5−(2−ニトロフェニル)−2−フェニルベンゾ[d]オキサゾールの合成
1H-NMR: δ 7.34(m, 2H), 7.66(m, 2H), 7.95(m, 4H), 8.18(d, 1H), 9.50(s, 1H)
<ステップ1>6−(2−ニトロフェニル)−2−フェニルベンゾ[d]チアゾールの合成
1H-NMR: δ 7.45(m, 3H), 7.68(t, 1H), 7.78(m, 2H), 7.93(t, 1H), 8.03(m, 4H), 8.36(s, 1H)
<ステップ1>5−(2−ニトロフェニル)−2−フェニル−1H−ベンゾ[d]イミダゾールの合成
1H-NMR: δ 7.51(m, 3H), 7.67(m, 2H), 8.03(m, 5H), 8.32(m, 2H), 8.45(s, 1H)
GC−Mass(理論値:513.20g/mol、測定値:513g/mol)
GC−Mass(理論値:513.20g/mol、測定値:513g/mol)
GC−Mass(理論値:359.42g/mol、測定値:359g/mol)
GC−Mass(理論値:361.40g/mol、測定値:361g/mol)
GC−Mass(理論値:514.58g/mol、測定値:514g/mol)
GC−Mass(理論値:514.58g/mol、測定値:514g/mol)
GC−Mass(理論値:360.41g/mol、測定値:360g/mol)
GC−Mass(理論値:362.39g/mol、測定値:362g/mol)
GC−Mass(理論値:439.47g/mol、測定値:439g/mol)
GC−Mass(理論値:515.56g/mol、測定値:515g/mol)
GC−Mass(理論値:439.47g/mol、測定値:439g/mol)
GC−Mass(理論値:515.56g/mol、測定値:515g/mol)
GC−Mass(理論値:455.53g/mol、測定値:455g/mol)
GC−Mass(理論値:531.63g/mol、測定値:531g/mol)
GC−Mass(理論値:455.53g/mol、測定値:455g/mol)
GC−Mass(理論値:531.63g/mol、測定値:531g/mol)
GC−Mass(理論値:514.58g/mol、測定値:514g/mol)
GC−Mass(理論値:666.77g/mol、測定値:666g/mol)
GC−Mass(理論値:590.67g/mol、測定値:590g/mol)
GC−Mass(理論値:512.60g/mol、測定値:512g/mol)
GC−Mass(理論値:514.58g/mol、測定値:514g/mol)
GC−Mass(理論値:666.77g/mol、測定値:666g/mol)
GC−Mass(理論値:590.67g/mol、測定値:590g/mol)
GC−Mass(理論値:512.60g/mol、測定値:512g/mol)
GC−Mass(理論値:515.57g/mol、測定値:515g/mol)
GC−Mass(理論値:667.76g/mol、測定値:667g/mol)
GC−Mass(理論値:591.66g/mol、測定値:591g/mol)
GC−Mass(理論値:513.59g/mol、測定値:513g/mol)
GC−Mass(理論値:515.57g/mol、測定値:515g/mol)
GC−Mass(理論値:667.76g/mol、測定値:667g/mol)
GC−Mass(理論値:591.66g/mol、測定値:591g/mol)
GC−Mass(理論値:513.59g/mol、測定値:513g/mol)
GC−Mass(理論値:515.56g/mol、測定値:515g/mol)
GC−Mass(理論値:667.76g/mol、測定値:667g/mol)
GC−Mass(理論値:591.66g/mol、測定値:591g/mol)
GC−Mass(理論値:513.59g/mol、測定値:513g/mol)
GC−Mass(理論値:515.56g/mol、測定値:515g/mol)
GC−Mass(理論値:667.76g/mol、測定値:667g/mol)
GC−Mass(理論値:591.66g/mol、測定値:591g/mol)
GC−Mass(理論値:513.59g/mol、測定値:513g/mol)
GC−Mass(理論値:531.63g/mol、測定値:531g/mol)
GC−Mass(理論値:683.82g/mol、測定値:683g/mol)
GC−Mass(理論値:607.73g/mol、測定値:607g/mol)
GC−Mass(理論値:529.65g/mol、測定値:529g/mol)
GC−Mass(理論値:531.63g/mol、測定値:531g/mol)
GC−Mass(理論値:683.82g/mol、測定値:683g/mol)
GC−Mass(理論値:607.73g/mol、測定値:607g/mol)
GC−Mass(理論値:529.65g/mol、測定値:529g/mol)
GC−Mass(理論値:590.67g/mol、測定値:590g/mol)
GC−Mass(理論値:742.87g/mol、測定値:742g/mol)
GC−Mass(理論値:666.77g/mol、測定値:666g/mol)
GC−Mass(理論値:588.70g/mol、測定値:588g/mol)
GC−Mass(理論値:590.67g/mol、測定値:590g/mol)
GC−Mass(理論値:742.87g/mol、測定値:742g/mol)
GC−Mass(理論値:666.77g/mol、測定値:666g/mol)
GC−Mass(理論値:588.70g/mol、測定値:588g/mol)
合成例1で合成された化合物Inv−1を、常法で高純度昇華精製を行った後、以下の過程に応じて有機EL素子を製作した。
実施例1における発光層の形成時にホスト材料として使用された化合物Inv−1の代わりに、合成例2乃至56でそれぞれ合成された化合物Inv−2〜Inv−56を使用する以外は、実施例1と同様にして有機EL素子を製造した。
実施例1における発光層の形成時に発光ホスト材料として使用された化合物Inv−1の代わりに、CBP(4,4−ジカルバゾールビフェニル)を使用する以外は、実施例1と同様にして有機EL素子を製作した。使用されたCBPの構造は、実施例1における構造と同様である。
実施例1乃至56及び比較例1においてそれぞれ製造された有機EL素子について、電流密度10mA/cm2での駆動電圧、電流効率及び発光ピークを測定し、その結果を表1A,表1Bに示す。
Claims (5)
- 下記化3乃至化8のうちから選択されるいずれか1つで示されるものである発光化合物:
X2は、N又はCR6であり;
X3は、N(Ar1)であり;
Ar1は、C6〜C60のアリール基、核原子数5乃至60のヘテロアリール基、および下記置換基A10〜A12、A19〜A23、A33〜A36、A39、およびA40からなる群から選択され、
Y1乃至Y4は、それぞれ独立に、CR7であり、この時、複数個のCR7は、互いに、同一又は異なっており、
Y5乃至Y8は、それぞれ独立に、CR8であり、この時、複数個のCR8は、互いに、同一又は異なっており;
X1が、NR1の時、R1はC6〜C60のアリール基、核原子数5乃至60のヘテロアリール基、および下記置換基A10〜A12、A19〜A23、A33〜A36、A39、およびA40からなる群から選択され、
R6乃至R8は、それぞれ独立に、水素、重水素、C6〜C60のアリール基、および、核原子数5乃至60のヘテロアリール基からなる群から選択され、
この時、前記R1、R6乃至R8および、Ar1のアリール基、および、ヘテロアリール基は、それぞれ独立に、重水素、C6〜C60のアリール基、核原子数5乃至60のヘテロアリール基からなる群から選択される1つ以上の置換基で置換可能なものである。)
- 前記R1、及びAr1は、それぞれ独立に、下記置換基A1〜A9、A13〜A18、A24〜A32、A37、およびA38からなる群から選択されるものであることを特徴とする請求項1に記載の発光化合物:
- 陽極、陰極、及び前記陽極と前記陰極との間に介在した1層以上の有機物層を含む有機電界発光素子であって、
前記有機物層のうちの少なくとも1つは、請求項1または2に記載の発光化合物を含むものであることを特徴とする有機電界発光素子。 - 前記化合物を含む1層以上の有機物層は、正孔注入層、正孔輸送層、及び発光層からなる群から選択されることを特徴とする請求項3に記載の有機電界発光素子。
- 前記化合物は、発光層のホストであることを特徴とする請求項4に記載の有機電界発光素子。
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JP (1) | JP6244359B2 (ja) |
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KR101671932B1 (ko) * | 2013-06-20 | 2016-11-03 | 제일모직 주식회사 | 유기 광전자 소자용 화합물, 이를 포함하는 유기 광전자 소자 및 상기 유기 광전자 소자를 포함하는 표시장치 |
KR101571597B1 (ko) * | 2013-08-05 | 2015-11-24 | 주식회사 두산 | 유기 화합물 및 이를 포함하는 유기 전계 발광 소자 |
KR101641409B1 (ko) * | 2014-01-23 | 2016-07-20 | 주식회사 두산 | 유기 화합물 및 이를 포함하는 유기 전계 발광 소자 |
KR101708097B1 (ko) * | 2014-10-22 | 2017-02-17 | 주식회사 두산 | 유기 전계 발광 소자 |
KR20170016701A (ko) * | 2015-08-04 | 2017-02-14 | 주식회사 두산 | 유기 발광 화합물 및 이를 이용한 유기 전계 발광 소자 |
KR102642199B1 (ko) | 2016-04-07 | 2024-03-05 | 삼성디스플레이 주식회사 | 유기 발광 소자 |
US10968226B2 (en) * | 2017-06-23 | 2021-04-06 | Universal Display Corporation | Organic electroluminescent materials and devices |
CN107266385A (zh) * | 2017-06-26 | 2017-10-20 | 上海道亦化工科技有限公司 | 一种芴类有机电致发光化合物及其有机电致发光器件 |
KR20200041422A (ko) * | 2018-10-11 | 2020-04-22 | 삼성디스플레이 주식회사 | 유기 전계 발광 소자 및 유기 전계 발광 소자용 아민 화합물 |
CN116710454A (zh) | 2021-01-25 | 2023-09-05 | 默克专利有限公司 | 用于有机电致发光器件的含氮化合物 |
CN113929635B (zh) * | 2021-11-09 | 2023-08-22 | 沈阳药科大学 | 1,6-二苯基-1H-苯并[d][1,2,3]三唑类化合物及其制备方法与用途 |
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DE676196C (de) | 1936-08-21 | 1939-05-30 | I G Farbenindustrie Akt Ges | Verfahren zur Herstellung von Imidazolverbindungen |
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JP2001222086A (ja) | 2000-02-09 | 2001-08-17 | Mitsubishi Paper Mills Ltd | 写真用分光増感色素 |
US7713452B2 (en) | 2004-12-30 | 2010-05-11 | Essilor International Compagnie Generale D'optique | Compounds that absorb ultraviolet light, methods of their preparation and optical lenses containing them |
JP5219076B2 (ja) | 2008-09-09 | 2013-06-26 | 国立大学法人 奈良先端科学技術大学院大学 | フォトクロミック化合物及び追記型光記録分子材料 |
KR20100131271A (ko) * | 2009-06-05 | 2010-12-15 | 덕산하이메탈(주) | 카바졸과 플루오렌이 결합하여 고리를 형성한 화합물 및 이를 이용한 유기전기소자, 그 단말 |
KR101408515B1 (ko) * | 2009-07-01 | 2014-06-17 | 주식회사 엘지화학 | 신규한 화합물 및 이를 이용한 유기 전자 소자 |
KR20110113297A (ko) * | 2010-04-09 | 2011-10-17 | 다우어드밴스드디스플레이머티리얼 유한회사 | 신규한 유기 전자재료용 화합물 및 이를 포함하는 유기 전계 발광 소자 |
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CN102146077B (zh) | 2011-01-13 | 2014-10-01 | 上海大学 | 芴并咪唑衍生物及其制备方法 |
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JP2015523377A (ja) | 2015-08-13 |
US10236451B2 (en) | 2019-03-19 |
US20150171344A1 (en) | 2015-06-18 |
WO2014010810A1 (ko) | 2014-01-16 |
KR20140007610A (ko) | 2014-01-20 |
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