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    • 1. 发明申请
    • ELECTRONIC SEMICONDUCTING DEVICE AND METHOD FOR PREPARING THE ELECTRONIC SEM-ICONDUCTING DEVICE
    • WO2018150048A1
    • 2018-08-23
    • PCT/EP2018/054154
    • 2018-02-20
    • NOVALED GMBH
    • HEGGEMANN, UlrichHUMMERT, MarkusROSENOW, ThomasFURNO, Mauro
    • H01L51/54H01L51/46H01L51/50
    • 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 sate 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, Me, 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 (TV) or less; provided that a) p-dopants comprising anion or anionic ligand having generic formula (la) or (lb) wherein A 1 , A 2 , A 3 and A 4 are independently selected from CO, SO 2 or POR 1 ; R 1 = electron withdrawing group selected from the group comprising halide, nitrile, halogenated or perhalogenated C 1 to C 20 alkyl, halogenated or perhalogenated C 6 to C 20 aryl, or halogenated or perhalogenated heteroaryl with 5 to 20 ring-forming atoms; B 1 , B 2 , B 3 and B 4 are same or independently selected from substituted or unsubstituted C 1 to C 20 alkyl, substituted or unsubstituted C 1 to C 20 heteroalkyl, substituted or unsubstituted C 6 to C 20 aryl, substituted or unsubstituted C 5 to C 20 heteroaryl, or B 1 and B 2 form a ring; and b) p-dopants consisting of Li cation and an anion selected from perchlorate and tetrafluoroborate are excluded, and the first hole transport layer comprises a sub-layer, wherein the electrical dopant is comprised in an amount, by weight and/or by volume, exceeding the total amount of other components which may additionally be comprised in the sublayer, and a method for preparing the same.
    • 5. 发明申请
    • ORGANIC LIGHT EMITTING DEVICE
    • WO2020074379A1
    • 2020-04-16
    • PCT/EP2019/076882
    • 2019-10-04
    • NOVALED GMBH
    • ROSENOW, ThomasHUMMERT, Markus
    • H01L51/54
    • The present Invention relates to an organic light emitting device comprising: (i) an anode; (ii) a cathode; (iii) at least one light emitting layer arranged between the anode and the cathode; (iv) optionally a first hole injection layer comprising a first hole injection compound, the first hole injection layer being arranged between the anode and the light emitting layer and the hole injection layer being adjacent to the anode; (v) a first hole transport layer comprising a first hole transport matrix compound, wherein the first hole transport layer is arranged a) between the first hole injection layer and the light emitting layer and adjacent to the first hole injection layer; or b) between the anode and the light emitting layer and adjacent to the anode; (vi) a second hole injection layer arranged between the first hole transport layer and the light emitting layer, wherein the second hole injection layer is adjacent to the first hole transport layer and wherein the second hole injection layer comprises a second hole injection compound; wherein the second hole injection compound is a halogenated fullerene, a partially or fully halogenated metal complex or a mixture thereof.