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    Electronic Semiconducting Device and Method for Preparing the Electronic Semiconducting Device
    6.
    发明申请
    Electronic Semiconducting Device and Method for Preparing the Electronic Semiconducting Device 审中-公开

    公开(公告)号：US20200052210A1

    公开(公告)日：2020-02-13

    申请号：US16485816

    申请日：2017-02-20

    Applicant: Novaled GmbH

    Inventor： Ulrich Heggemann ,  Markus Hummert ,  Thomas Rosenow ,  Mauro Furno

    IPC: H01L51/00 ,  C07F5/02 ,  C07F3/06

    Abstract: The present invention relates to an electronic device comprising between a first electrode and a second electrode at least one first hole transport layer, wherein the first hole transport layer comprises (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal salts and from electrically neutral metal complexes comprising a metal cation and a at least one anion and/or at least one anionic ligand consisting of at least 4 covalently bound atoms, wherein the metal cation of the electrical p-dopant is selected from alkali metals; alkaline earth metals, Pb, Mn, Fe, Co, Ni, Zn, Cd; rare earth metals in oxidation state (II) or (III); Al, Ga, In; and from Sn, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W in oxidation state (IV) or less; provided that a) p-dopants comprising anion or anionic ligand having generic formula (Ia) or (Ib)

    Active OLED Display, Method for Preparing an Active OLED Display and Compound
    7.
    发明申请
    Active OLED Display, Method for Preparing an Active OLED Display and Compound 审中-公开

    公开(公告)号：US20200006689A1

    公开(公告)日：2020-01-02

    申请号：US16485839

    申请日：2018-02-20

    Applicant: Novaled GmbH

    Inventor： Ulrich Heggemann ,  Markus Hummert

    IPC: H01L51/50 ,  H01L27/32 ,  H01L51/56 ,  H01L51/00 ,  C07F3/06 ,  C07F3/02

    Abstract: The present invention relates to a display device comprising—a plurality of OLED pixels comprising at least two OLED pixels, the OLED pixels comprising an anode, a cathode, and a stack of organic layers, wherein the stack of organic layers—is arranged between and in contact with the cathode and the anode, and—comprises a first electron transport layer, a first hole transport layer, and a first light emitting layer provided between the first hole transport layer and the first electron transport layer, and—a driving circuit configured to separately driving the pixels of the plurality of OLED pixels, wherein, for the plurality of OLED pixels, the first hole transport layer is provided in the stack of organic layers as a common hole transport layer shared by the plurality of OLED pixels, and the first hole transport layer comprises (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal salts and from electrically neutral metal complexes comprising a metal cation and at least one anion and/or at least one anionic ligand consisting of at least 4 covalently bound atoms, wherein the metal cation of the electrical p-dopant is selected from alkali metals; alkaline earth metals, Pb, Mn, Fe, Co, Ni, Zn, Cd; rare earth metals in oxidation state (II) or (III); Al, Ga, In; and from Sn, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W in oxidation state (IV) or less, a method for preparing the display device and a chemical compound for use therein.

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