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23 条记录 (耗时 0.021 秒)

    Organic electroluminescent device comprising a hole injection layer and electron injection layer with zero-valent metal
    1.
    发明授权
    Organic electroluminescent device comprising a hole injection layer and electron injection layer with zero-valent metal 有权

    公开(公告)号：US11011723B2

    公开(公告)日：2021-05-18

    申请号：US16027628

    申请日：2018-07-05

    申请人： NOVALED GMBH

    发明人： Vygintas Jankus ,  Carsten Rothe ,  Domagoj Pavicic

    IPC分类号： H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

    摘要： The present invention relates to an organic electroluminescent device comprising an hole injection layer and electron injection layer with zero-valent metal, and a method of manufacturing the same. In particular the present invention relates to an organic electroluminescent device comprising an anode layer, at least one electron transport layer, at least one electron injection layer, a cathode layer, and an emission layer, wherein the emission layer is arranged between the anode layer and the cathode layer, wherein the at least a first electron transport layer and the injection layer are arranged between the emission layer and the cathode layer, wherein the electron injection layer is arranged in direct contact to the first transport electron layer, wherein the first electron transport layer is arranged nearer to the anode layer and the electron injection layer is arranged nearer to the cathode layer, wherein at least the first electron transport layer comprises an organic phosphine matrix compound, and a first zero-valent alkali metal; and the electron injection layer comprises a second zero-valent metal of an alkaline earth metal and/or rare earth metal, and an alkali metal halide.

    Organic electroluminescent device
    4.
    发明授权
    Organic electroluminescent device 有权

    公开(公告)号：US11594687B2

    公开(公告)日：2023-02-28

    申请号：US15763910

    申请日：2016-09-27

    申请人： Novaled GmbH

    发明人： Domagoj Pavicic ,  Carsten Rothe ,  Vygintas Jankus ,  Regina Luschtinetz ,  Jerome Ganier

    IPC分类号： H01L51/00 ,  H01L51/50

    摘要： The present invention relates to an organic electroluminescent device comprising an anode, a cathode, an emission layer, an undoped electron transport layer comprising a first matrix compound, and an electron injection layer comprising a second matrix compound and an alkali organic complex and/or alkali halide, wherein the undoped electron transport layer and the electron injection layer are arranged between the emission layer and the cathode, wherein the reduction potential of the first matrix compound is less negative than, the reduction potential of 9,10-di(naphthalen-2-yl)anthracene and more negative than the reduction potential of 4,4′-bis(4,6-diphenyl-1,3,5-triazin-2-yl)biphenyl, wherein the reduction potential in both cases is measured against Fc/Fc+ in tetrahydrofurane; and the dipole moment of the first matrix compound is selected ≥0 Debye and ≤2.5 Debye and the dipole moment of the second matrix compound is selected >2.5 and

    Electroluminescent Device Comprising a Defined Layer Arrangement Comprising a Light Emitting Layer, a Hole Transport Layer and an Electron Transport Layer
    7.
    发明申请
    Electroluminescent Device Comprising a Defined Layer Arrangement Comprising a Light Emitting Layer, a Hole Transport Layer and an Electron Transport Layer 审中-公开

    公开(公告)号：US20190393439A1

    公开(公告)日：2019-12-26

    申请号：US16481902

    申请日：2018-01-30

    申请人： Novaled GmbH

    发明人： Vygintas Jankus ,  Domagoj Pavicic ,  Carsten Rothe

    IPC分类号： H01L51/50

    摘要： The present invention is directed to an electroluminescent device comprising: —at least one node layer, —at least one cathode layer, —at least one light emitting layer, —at least one first hole transport layer, —at least a first electron transport layer; wherein for increasing power efficiency the compositions of the light emitting layer, the hole transport layer and the electron transport layer are matched to one another, wherein—the at least one light emitting layer is arranged between the anode layer and the cathode layer, wherein the at least one light emitting layer comprises: —at least one fluorescent emitter compound embedded in at least one polar emitter host compound, wherein—the at least one polar emitter host compound has at least three aromatic rings, which are independently selected from carbocyclic rings and heterocyclic rings; —the at least one first hole transport layer is arranged between the anode layer and the light emitting layer, wherein the at least one first hole transport layer comprises: —at least one electrical p-dopant, or—at least one electrical p-dopant and at least one first hole transport matrix compound; —the at least one first electron transport layer is arranged between the cathode layer and the light emitting layer, wherein the first electron transport layer comprises: —at least one redox n-dopant, and—at least one first electron transport matrix compound.

    Organic Electroluminescent Device Comprising a Hole Injection Layer and Electron Injection Layer with Zero-Valent Metal
    8.
    发明申请
    Organic Electroluminescent Device Comprising a Hole Injection Layer and Electron Injection Layer with Zero-Valent Metal 审中-公开

    公开(公告)号：US20190013492A1

    公开(公告)日：2019-01-10

    申请号：US16027628

    申请日：2018-07-05

    申请人： NOVALED GMBH

    发明人： Vygintas Jankus ,  Carsten Rothe ,  Domagoj Pavicic

    IPC分类号： H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00

    摘要： The present invention relates to an organic electroluminescent device comprising an hole injection layer and electron injection layer with zero-valent metal, and a method of manufacturing the same. In particular the present invention relates to an organic electroluminescent device comprising an anode layer, at least one electron transport layer, at least one electron injection layer, a cathode layer, and an emission layer, wherein the emission layer is arranged between the anode layer and the cathode layer, wherein the at least a first electron transport layer and the injection layer are arranged between the emission layer and the cathode layer, wherein the electron injection layer is arranged in direct contact to the first transport electron layer, wherein the first electron transport layer is arranged nearer to the anode layer and the electron injection layer is arranged nearer to the cathode layer, wherein at least the first electron transport layer comprises an organic phosphine matrix compound, and a first zero-valent alkali metal; and the electron injection layer comprises a second zero-valent metal of an alkaline earth metal and/or rare earth metal, and an alkali metal halide.