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ACTIVE OLED DISPLAY, METHOD FOR PREPARING AN ACTIVE OLED DISPLAY AND COMPOUND 发明授权

2022-05-31 4460 653K 0

专利信息

申请日期 2024-11-26 申请号 EP18706499
公开(公告)号 EP3583637B1 公开(公告)日 2022-05-04
公开国别 EP 申请人省市代码 全国
申请人 Novaled GmbH
简介 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).


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