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    Organic light-emitting diode (OLED) including an electron transport layer stack comprising different lithium compounds
    3.
    发明授权
    Organic light-emitting diode (OLED) including an electron transport layer stack comprising different lithium compounds 有权

    公开(公告)号：US10205107B2

    公开(公告)日：2019-02-12

    申请号：US15323782

    申请日：2015-07-01

    申请人： Novaled GmbH

    发明人： Bodo Wallikewitz ,  Carsten Rothe

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

    摘要： The present invention relates to a an organic light-emitting diode (OLED) (100) comprising an emission layer and an electron transport layer stack of at least two electron transport layers (160/161), wherein a first electron transport layer (161) and a second electron transport layer (162) comprises at least one matrix compound and in addition, —the first electron transport layer (161) comprises a first lithium halide or a first lithium organic complex; and —the second electron transport layer (162) comprises a second lithium halide or a second lithium organic complex, wherein the first lithium organic complex is not the same as the second lithium organic complex; and wherein the first lithium halide is not the same as the second lithium halide.

    Organic light-emitting diode including an electron transport layer stack comprising different lithium compounds and elemental metal
    4.
    发明授权
    Organic light-emitting diode including an electron transport layer stack comprising different lithium compounds and elemental metal 有权

    公开(公告)号：US10700300B2

    公开(公告)日：2020-06-30

    申请号：US15512314

    申请日：2015-09-17

    申请人： Novaled GmbH

    发明人： Bodo Wallikewitz ,  Carsten Rothe

    IPC分类号： H01L51/50

    摘要： The present invention relates to a an organic light-emitting diode (OLED, 100) comprising at least one emission layer (150), and an electron transport layer stack (160) of at least two electron transport layers, wherein a first electron transport layer (161, 162) and a second electron transport layer (162, 161) comprises at least one matrix compound and in addition, —the at least first electron transport layer comprises a lithium halide or a lithium organic complex; and the at least second electron transport layer comprises an elemental metal selected from the group of lithium, magnesium and/or ytterbium; or—the at least first electron transport layer comprises an elemental metal selected from the group of lithium, magnesium and/or ytterbium; and the at least second electron transport layer comprises a lithium halide or a lithium organic complex; wherein the electron transport layer or layers comprising a lithium halide or a lithium organic complex is free of an elemental metal, and the electron transport layer or layers that comprises an elemental metal is free of a metal salt and/or a metal organic complex.

    Organic Light-Emitting Diode Comprising Electron Transport Layers with Different Matrix Compounds
    5.
    发明申请
    Organic Light-Emitting Diode Comprising Electron Transport Layers with Different Matrix Compounds 审中-公开

    公开(公告)号：US20180261784A1

    公开(公告)日：2018-09-13

    申请号：US15537092

    申请日：2015-12-15

    申请人： Novaled GmbH

    发明人： Bodo Wallikewitz ,  Carsten Rothe

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

    摘要： The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein—the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, —the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and—the second electron transport layer is free of a dopant.

    Organic light-emitting diode comprising different matrix compounds in the first and second electron transport layer
    8.
    发明授权
    Organic light-emitting diode comprising different matrix compounds in the first and second electron transport layer 有权

    公开(公告)号：US11081652B2

    公开(公告)日：2021-08-03

    申请号：US15572336

    申请日：2016-05-11

    申请人： Novaled GmbH

    发明人： Ulrich Denker ,  Mike Zöllner ,  Katja Gräf ,  Volodymyr Senkovskyy ,  Bodo Wallikewitz ,  Johannes Scholz ,  Julien Frey

    IPC分类号： H01L51/00 ,  C07D401/14 ,  C07D405/14 ,  C07D401/04 ,  H01L51/50 ,  H01L51/56

    摘要： The present invention is directed to matrix compounds and an organic light-emitting diode (OLED) comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and the second electron transport layer is free of a dopant; wherein at least one matrix compound of the second electron transport layer having the chemical formula Ia, Ib and/or Ic: (Ia) (Ib) (Ic) wherein Ar=substituted or unsubstituted arylene with 6 to 20 ring-forming carbon atoms; or carbazolylene; ET=substituted or unsubstituted aryl group with 13 to 40 ring-forming carbon atoms; or a substituted or unsubstituted heteroaryl group with 14 to 40 ring-forming atoms.

    Organic light-emitting diode comprising electron transport layers with different matrix compounds
    9.
    发明授权
    Organic light-emitting diode comprising electron transport layers with different matrix compounds 有权

    公开(公告)号：US10910581B2

    公开(公告)日：2021-02-02

    申请号：US15537092

    申请日：2015-12-15

    申请人： Novaled GmbH

    发明人： Bodo Wallikewitz ,  Carsten Rothe

    IPC分类号： H01L51/50 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56 ,  C07F1/02

    摘要： The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein—the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, —the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and—the second electron transport layer is free of a dopant.