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191 条记录 (耗时 0.028 秒)

    Organic light emitting device comprising polar matrix, metal dopant and silver cathode
    15.
    发明授权
    Organic light emitting device comprising polar matrix, metal dopant and silver cathode 有权

    公开(公告)号：US11355721B2

    公开(公告)日：2022-06-07

    申请号：US15738672

    申请日：2016-06-22

    申请人： Novaled GmbH

    发明人： Uwe Gölfert ,  Carsten Rothe ,  Vygintas Jankus

    IPC分类号： H01L51/54 ,  H01L51/50 ,  H01L51/52 ,  H01L51/00

    摘要： The present invention relates to an electronic device comprising at least one light emitting layer between an anode and a substantially silver cathode, the device further comprising between the cathode and the anode at least one mixed layer comprising (i) at least one substantially covalent electron transport matrix compound comprising at least one polar group selected from phosphine oxide group or diazole group, and (ii) in substantially elemental form, an electropositive element selected from substantially non-radioactive alkali metals, alkaline earth metals, rare earth metals, and transition metals of the fourth period of the Periodic table having proton numbers 22, 23, 24, 25, 26, 27, 28, 29.

    Semiconducting material comprising a phosphine oxide matrix and metal salt
    16.
    发明授权
    Semiconducting material comprising a phosphine oxide matrix and metal salt 有权

    公开(公告)号：US11309495B2

    公开(公告)日：2022-04-19

    申请号：US15564782

    申请日：2016-04-07

    申请人： Novaled GmbH

    发明人： Julien Frey ,  Domagoj Pavicic ,  Ulrich Denker ,  Vygintas Jankus ,  Carsten Rothe ,  Francois Cardinali ,  Katja Gräf ,  Ulrich Heggemann ,  Omrane Fadhel

    IPC分类号： H01L51/00 ,  C07F9/53 ,  C07F9/655 ,  H01L51/50

    摘要： The present invention is directed to a semiconducting material comprising: i) a compound according to formula (I) wherein R1, R2 and R3 are independently selected from C1-C30-alkyl, C3-C30 cycloalkyl, C2-C30-heteroalkyl, C6-C30-aryl, C2-C30-heteroaryl, C1-C30-alkoxy, C3-C30-cycloalkyloxy, C6-C30 aryloxy, and from structural unit having general formula E-A-, wherein—A is a C6-C30 phenylene spacer unit, and—E is an electron transporting unit that is selected from C10-C60 aryl and C6-C60 heteroaryl comprising up to 6 heteroatoms independently selected from O, S, P, Si and B and that comprises a conjugated system of at least 10 delocalized electrons, and—at least one group selected from R1, R2 and R3 has the general formula E-A-; and ii) at least one complex of a monovalent metal having formula (II) wherein—M+ is a positive metal ion bearing a single elementary charge, and each of A1, A2, A3 and A4 is independently selected from H, substituted or unsubstituted C6-C20 aryl and substituted or unsubstituted C2-C20 heteroaryl, wherein a heteroaryl ring of at least 5 ring-forming atoms of the substituted or unsubstituted C2-C20 heteroaryl comprises at least one hetero atom selected from O, S and N.

    Active OLED Display, Method for Preparing an Active OLED Display and Compound
    18.
    发明申请
    Active OLED Display, Method for Preparing an Active OLED Display and Compound 有权

    公开(公告)号：US20220059787A1

    公开(公告)日：2022-02-24

    申请号：US17519446

    申请日：2021-11-04

    申请人： Novaled GmbH

    发明人： Ulrich Heggemann ,  Markus Hummert

    IPC分类号： H01L51/50 ,  C07F3/02 ,  C07F3/06 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  C07F5/02 ,  C09K11/06

    摘要： 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.

    Electron Transport Layer Comprising a Matrix Compound Mixture for an Organic light-Emitting Diode (OLED)
    20.
    发明申请
    Electron Transport Layer Comprising a Matrix Compound Mixture for an Organic light-Emitting Diode (OLED) 有权

    公开(公告)号：US20210210708A1

    公开(公告)日：2021-07-08

    申请号：US15999648

    申请日：2017-02-16

    申请人： NOVALED GMBH

    发明人： Jerome Ganier ,  Carsten Rothe ,  Volodymyr Senkovskyy

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

    摘要： The present invention is directed to an organic light emitting diode (100) comprising: at least one anode electrode (120); at least one emission layer (150), wherein the emission layer comprises at least one emitter dopant that emits visible light at operation of the OLED (100); an electron transport layer stack (160) of at least two electron transport layers (161/162), and wherein a) the first electron transport layer (161) comprises i) a first organic aromatic matrix compound having a MW of about ≥400 to about ≤1000 and a dipole moment of about ≥0 Debye and about ≤2.5 Debye, wherein the first electron transport layer (161) is free of a polar organic aromatic phosphine compound; and b) the second electron transport layer (162) comprises two organic aromatic matrix compounds, which are a mixture of: i) the first organic aromatic matrix compound; and ii) a polar organic aromatic phosphine compound having a MW of about ≥400 to about ≤1000, and a dipole moment of about >2.5 Debye and about ≤10 Debye; and at least one cathode electrode layer (190); wherein the electron transport layer stack (160) is arranged between the emission layer (150) and the cathode electrode layer (190), the first electron transport layer (161) is in direct contact with the second electron transport layer (162), and wherein the first electron transport layer (161) is arranged nearer to the emission layer (150) and the second electron transport layer (162) is arranged nearer to the cathode electrode layer (190).