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    • 5. 发明申请
    • ORGANIC ELECTROLUMINESCENT DEVICE
    • 有机电致发光器件
    • US20120161107A1
    • 2012-06-28
    • US12737099
    • 2009-06-09
    • Norimasa YokoyamaShigeru KusanoShuichi Hayashi
    • Norimasa YokoyamaShigeru KusanoShuichi Hayashi
    • H01L51/54
    • C07D401/14C07D213/22H01L51/0059H01L51/0067H01L51/0072H01L51/5048H01L51/5088
    • [Problem] To provide an organic EL device having high efficiency, low driving voltage and long life by combining various materials for the organic EL device which are excellent in hole and electron injection/transport performances, stability as a thin film and durability.[Means for Resolution] An organic electroluminescent device comprising at least an anode electrode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode electrode in this order, wherein the hole injection layer comprises an arylamine compound having at least three triphenylamine structures in the molecule, the hole transport layer comprises an arylamine compound having two triphenylamine structures in the molecule, and the electron transport layer comprises a substituted bipyridyl compound represented by the following general formula (1): wherein R1 to R7 may be the same or different, and each represents a hydrogen atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, a linear or branched alkyl group having from 1 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; n1 is an integer of from 2 to 4; A1 represents a di- to tetra-valent substituted or unsubstituted aromatic hydrocarbon groups, a di- to tetra-valent substituted or unsubstituted aromatic heterocyclic groups, a di- to tetra-valent substituted or unsubstituted condensed polycyclic aromatic group or a trivalent group represented by the following general formula (2): wherein X, Y and Z each represents a carbon atom or a nitrogen atom, provided that when n1=2, two bipyridyl structures can directly bond to each other, and in that case, A1 is absent.
    • 通过组合具有优异的空穴和电子注入/输送性能的有机EL器件的各种材料,作为薄膜的稳定性和耐久性,提供了具有高效率,低驱动电压和长寿命的有机EL器件。 [解决方法]依次包括至少阳极,空穴注入层,空穴传输层,发光层,电子传输层和阴极电极的有机电致发光器件,其中空穴注入层包括 在分子中具有至少三个三苯胺结构的芳基胺化合物,空穴传输层包含分子中具有两个三苯胺结构的芳基胺化合物,电子传输层包含由以下通式(1)表示的取代的联吡啶基化合物:其中R 1 R 7可以相同或不同,表示氢原子,氟原子,氯原子,氰基,三氟甲基,具有1〜6个碳原子的直链或支链烷基,取代或未取代的 芳香族烃基,取代或未取代的芳族杂环基,或取代或未取代的缩合多环 芳香族; n1为2〜4的整数, A1表示二价至四价的取代或未取代的芳香族烃基,二价至四价的取代或未取代的芳族杂环基,二价至四价的取代或未取代的稠合多环芳香族基或三价 以下通式(2):其中X,Y和Z各自表示碳原子或氮原子,条件是当n1 = 2时,两个联吡啶基结构可以直接键合,在这种情况下不存在。
    • 6. 发明授权
    • Compound having pyridoindole ring structure having substituted pyridyl group attached thereto, and organic electroluminescence element
    • 具有连接有取代的吡啶基的吡啶并吲哚环结构的化合物和有机电致发光元件
    • US08168308B2
    • 2012-05-01
    • US12377908
    • 2007-08-16
    • Norimasa YokoyamaShuichi HayashiShigeru Kusano
    • Norimasa YokoyamaShuichi HayashiShigeru Kusano
    • H01L51/54C07D471/00
    • C09K11/06C07D471/04C07D519/00C09K2211/1007C09K2211/1011C09K2211/1029C09K2211/1044H01L51/0072H01L51/0081H01L51/5048H01L51/5096H05B33/14Y10S428/917
    • The present invention is to provide an organic compound having excellent characteristics as a material for an organic EL device having a high efficiency and a high durability, and to provide an organic EL device having a high efficiency and a high durability by using the compound. The invention relates to a compound having a pyridoindole ring structure having a substituted pyridyl group attached thereto, which is represented by the general formula (1); and to an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein at least one of the organic layer(s) contains the compound: wherein Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; R1 to R10 may be the same or different from one another and each independently represents a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, or a substituted or unsubstituted aromatic hydrocarbon group; Z represents a 6-membered aromatic heterocyclic ring containing one nitrogen atom; and m and n each independently represents an integer of 1 to 3, provided that n is 1 when m is 2 or 3.
    • 本发明提供一种具有优异特性的有机化合物作为具有高效率和高耐久性的有机EL器件的材料,并且通过使用该化合物来提供具有高效率和高耐久性的有机EL器件。 本发明涉及具有通式(1)表示的具有取代的吡啶基的吡啶并吲哚环结构的化合物。 以及包含一对电极和介于所述电极之间的至少一个有机层的有机电致发光器件,其中所述有机层中的至少一个含有所述化合物:其中Ar表示取代或未取代的芳族烃基,取代的 或未取代的芳族杂环基,或取代或未取代的稠合多环芳基; R 1〜R 10可以相同也可以不同,各自独立地表示氢原子,氟原子,氰基,烷基或取代或未取代的芳香族烃基。 Z表示含有一个氮原子的6元芳族杂环; m和n各自独立地表示1〜3的整数,条件是当m为2或3时n为1。
    • 7. 发明申请
    • COMPOUND HAVING SUBSTITUTED PYRIDYL GROUP AND PYRIDOINDOLE RING STRUCTURE LINKED THROUGH PHENYLENE GROUP, AND ORGANIC ELECTROLUMINESCENT DEVICE
    • 具有取代的吡啶基的化合物和通过苯乙烯基团连接的吡啶环结构和有机电致发光器件
    • US20110006291A1
    • 2011-01-13
    • US12865736
    • 2009-01-30
    • Norimasa YokoyamaShuichi HayashiSawa IzumiShigeru Kusano
    • Norimasa YokoyamaShuichi HayashiSawa IzumiShigeru Kusano
    • H01L51/54C07D471/04
    • C07D471/04C09K11/06C09K2211/1007C09K2211/1011C09K2211/1029H01L51/0052H01L51/0072H01L51/5012H01L51/5048
    • Objects of the present invention are to provide an organic compound having excellent properties, which is excellent in electron-injecting/transporting performances, has hole-blocking ability and is highly stable in a thin-film state, as a material for an organic electroluminescent device having a high efficiency and a high durability; and to provide an organic electroluminescent device having a high efficiency and a high durability using the compound. The invention relates to a compound having a substituted pyridyl group and a pyridoindole ring structure linked through a phenylene group, which is represented by the general formula (1); and an organic EL device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer contains the compound: wherein Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; R1 to R14 may be the same or different from each other and each represents a hydrogen atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, a linear or branched alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; n represents an integer of 1 to 3; and W, X, Y, and Z respectively represent a carbon atom or a nitrogen atom, provided that only one of W, X, Y, and Z represents a nitrogen atom, and the nitrogen atom does not have the substituent of R7, R8, R9, or R10).
    • 本发明的目的是提供具有优异的电子注入/传输性能的具有优异的性能的有机化合物,具有空穴阻挡能力并且在薄膜状态下是高度稳定的,作为有机电致发光器件的材料 具有高效率和高耐久性; 并提供使用该化合物具有高效率和高耐久性的有机电致发光器件。 本发明涉及由通式(1)表示的具有取代的吡啶基和通过亚苯基连接的吡啶并吲哚环结构的化合物。 以及包含一对电极和插入在所述电极之间的至少一个有机层的有机EL器件,其中所述至少一个有机层包含化合物:其中Ar表示取代或未取代的芳香族烃基,取代或未取代的芳族杂环基 ,或取代或未取代的稠合多环芳基; R 1〜R 14可以相同也可以不同,表示氢原子,氟原子,氯原子,氰基,三氟甲基,碳原子数1〜6的直链或支链烷基,取代基 或未取代的芳香族烃基,取代或未取代的芳香族杂环基或取代或未取代的稠合多环芳香族基; n表示1〜3的整数, W,X,Y和Z分别表示碳原子或氮原子,只要W,X,Y和Z中只有一个表示氮原子,氮原子不具有R7,R8的取代基 ,R9或R10)。
    • 8. 发明授权
    • Organic electroluminescent device
    • 有机电致发光器件
    • US08771841B2
    • 2014-07-08
    • US12993051
    • 2009-05-15
    • Norimasa YokoyamaShigeru KusanoShuichi Hayashi
    • Norimasa YokoyamaShigeru KusanoShuichi Hayashi
    • H01L51/54
    • H01L51/006C07D471/04C09K11/06C09K2211/1014H01L51/0052H01L51/0059H01L51/0067H01L51/0072H01L51/5048
    • A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule.
    • 本发明的一个问题是通过组合空穴或电子的注入或输送性能优异的有机EL器件的各种材料,提供具有高效率,低驱动电压和长寿命的有机EL器件,以及 在薄膜中的稳定性和耐久性,以使各种材料能够有效地揭示其特性。 本发明涉及一种有机电致发光器件,其中至少具有阳极电极,空穴注入层,空穴传输层,发光层,电子传输层和阴极电极,其中空穴注入 在其分子中含有其中三个或更多个三苯胺结构通过单键或无杂原子的二价基团连接的结构的芳基胺化合物; 并且空穴传输层在其分子中含有具有两个三苯胺结构的芳基胺化合物。