JP6287027B2 - 電界発光素子 - Google Patents
電界発光素子 Download PDFInfo
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- JP6287027B2 JP6287027B2 JP2013211736A JP2013211736A JP6287027B2 JP 6287027 B2 JP6287027 B2 JP 6287027B2 JP 2013211736 A JP2013211736 A JP 2013211736A JP 2013211736 A JP2013211736 A JP 2013211736A JP 6287027 B2 JP6287027 B2 JP 6287027B2
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- 239000010410 layer Substances 0.000 claims description 51
- 150000001875 compounds Chemical class 0.000 claims description 43
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000003545 alkoxy group Chemical group 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 125000000623 heterocyclic group Chemical group 0.000 claims description 10
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 8
- 125000005843 halogen group Chemical group 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 8
- 125000005647 linker group Chemical group 0.000 claims description 7
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 7
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- 125000004104 aryloxy group Chemical group 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 125000004149 thio group Chemical group *S* 0.000 claims 1
- 239000000463 material Substances 0.000 description 41
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 21
- 238000002347 injection Methods 0.000 description 21
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- 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 6
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- 239000002985 plastic film Substances 0.000 description 2
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- 238000005019 vapor deposition process Methods 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 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
- YZVWKHVRBDQPMQ-UHFFFAOYSA-N 1-aminopyrene Chemical class C1=C2C(N)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 YZVWKHVRBDQPMQ-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical class C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- BRSRUYVJULRMRQ-UHFFFAOYSA-N 1-phenylanthracene Chemical class C1=CC=CC=C1C1=CC=CC2=CC3=CC=CC=C3C=C12 BRSRUYVJULRMRQ-UHFFFAOYSA-N 0.000 description 1
- XFYQEBBUVNLYBR-UHFFFAOYSA-N 12-phthaloperinone Chemical class C1=CC(N2C(=O)C=3C(=CC=CC=3)C2=N2)=C3C2=CC=CC3=C1 XFYQEBBUVNLYBR-UHFFFAOYSA-N 0.000 description 1
- CYSPWCARDHRYJX-UHFFFAOYSA-N 9h-fluoren-1-amine Chemical class C12=CC=CC=C2CC2=C1C=CC=C2N CYSPWCARDHRYJX-UHFFFAOYSA-N 0.000 description 1
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- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000799 K alloy Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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- 229910000861 Mg alloy Inorganic materials 0.000 description 1
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- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- JHYLKGDXMUDNEO-UHFFFAOYSA-N [Mg].[In] Chemical compound [Mg].[In] JHYLKGDXMUDNEO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- RGKMZNDDOBAZGW-UHFFFAOYSA-N aluminum calcium Chemical compound [Al].[Ca] RGKMZNDDOBAZGW-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- YUENFNPLGJCNRB-UHFFFAOYSA-N anthracen-1-amine Chemical class C1=CC=C2C=C3C(N)=CC=CC3=CC2=C1 YUENFNPLGJCNRB-UHFFFAOYSA-N 0.000 description 1
- 125000005577 anthracene group Chemical group 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
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- 238000000429 assembly Methods 0.000 description 1
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- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
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- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
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- 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
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- XDCVFPZJEDYBRG-UHFFFAOYSA-N perylen-1-amine Chemical group C1=CC(C=2C(N)=CC=C3C=2C2=CC=C3)=C3C2=CC=CC3=C1 XDCVFPZJEDYBRG-UHFFFAOYSA-N 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
- CXZOCEZMGWOOFD-UHFFFAOYSA-N phenanthren-1-amine Chemical class C1=CC2=CC=CC=C2C2=C1C(N)=CC=C2 CXZOCEZMGWOOFD-UHFFFAOYSA-N 0.000 description 1
- 150000002987 phenanthrenes Chemical class 0.000 description 1
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- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
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- 229920000548 poly(silane) polymer Polymers 0.000 description 1
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- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 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
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- 239000011734 sodium Substances 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003518 tetracenes Chemical class 0.000 description 1
- 125000001544 thienyl group Chemical group 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
- 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
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000001771 vacuum deposition 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
- 238000001947 vapour-phase growth Methods 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
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Landscapes
- Electroluminescent Light Sources (AREA)
Description
(一般式(I)において、X1〜X24は、それぞれ独立に、水素原子、置換または無置換のアリール基、置換または無置換の複素環基、置換または無置換のアルキル基、アルコキシ基、芳香族アミノ基、シリル基、ハロゲン原子、シアノ基、ニトロ基、ヒドロキシル基、チオール基の何れかを表すが、X1〜X10の何れか1箇所と、X11〜X24の何れか1箇所とは、連結基Lを介して連結されている。連結基Lは、単結合、置換または無置換のアリーレン基、置換または無置換の複素環基、置換または無置換のアルキレン基、芳香族アミノ基を示す。)
(一般式(I)において、X1〜X24は、それぞれ独立に、水素原子、置換または無置換のアリール基、置換または無置換の複素環基、置換または無置換のアルキル基、アルコキシ基、芳香族アミノ基、シリル基、ハロゲン原子、シアノ基、ニトロ基、ヒドロキシル基、チオール基の何れかを表すが、X1〜X10の何れか1箇所と、X11〜X24の何れか1箇所とは、連結基Lを介して連結されている。連結基Lは、単結合、置換または無置換のアリーレン基、置換または無置換の複素環基、置換または無置換のアルキレン基、芳香族アミノ基を示す。)
本発明の化合物a−4、a−17、b−5、c−1、e−2について、既知の下記アントラセン二量体z−1、z−2、z−3とEgの大きさを比較した。評価には、トルエン希薄溶液中での吸収スペクトルの吸収末端から推定した値を用いた。a−4、a−17、b−5、c−1、e−2については、それぞれ2.93eV、2.96eV、2.82eV、2.97eV、2.91eVであり、z−1、z−2、z−3については、それぞれ2.75eV、2.78eV、2.79eVであった。色純度に優れた一般的な青色発光材料のEgは2.78〜2.8eVであるから、本発明の化合物は、色純度に優れた青色発光素子のホスト材料として理想的なEgを有することが示された。
ガラス基板上にRFスパッタ法で、ITO透明電極薄膜を100nmの厚さに成膜し、パターニングした。このITO透明電極付きガラス基板を、中性洗剤、アセトン、エタノールを用いて超音波洗浄し、煮沸エタノール中から引き上げて乾燥した。透明電極表面をUV/O3洗浄した後、真空蒸着装置の基板ホルダーに固定して、槽内を1×10−4Pa以下まで減圧した。
化合物a−4を化合物a−17に代えた以外は実施例2と同様に電界発光素子を作製した。
化合物a−4を化合物b−5に代えた以外は実施例2と同様に電界発光素子を作製した。
化合物a−4を化合物c−1に代えた以外は実施例2と同様に電界発光素子を作製した。
化合物a−4を化合物z−1に代えた以外は実施例2と同様に電界発光素子を作製した。
2 基板
3 陽極
4 正孔注入層
5 正孔輸送層
6 発光層
7 電子輸送層
8 電子注入層
9 陰極
.
Claims (3)
- 陽極と陰極との間に、発光層を含む、複数の有機層が狭持された電界発光素子において、前記複数の有機層のうち、少なくとも1層が、下記一般式(I)の化合物を含むことを特徴とする電界発光素子。
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