公开(公告)号：US20190006589A1

公开(公告)日：2019-01-03

申请号：US16062974

申请日：2016-12-14

Applicant: NOVALED GMBH

Inventor： Volodymyr Senkovskyy ,  Jerome Ganier ,  Carsten Rothe

IPC: H01L51/00 ,  C07F9/53 ,  C07F9/572 ,  C07F9/655 ,  C07F9/6568 ,  C07F9/576

Abstract: The invention relates to Organic light emitting diode comprising at least one emission layer, an electron injection layer and at least one cathode electrode, wherein: the electron injection layer comprises an organic phosphine compound, wherein the electron injection layer is free of a metal, metal salt, metal complex and metal organic compound; the cathode electrode comprises at least a first cathode electrode layer, wherein the first cathode electrode layer comprises a first zero-valent metal selected from the group comprising alkali metal, alkaline earth metal, rare earth metal and/or a group 3 transition metal; and the electron injection layer is arranged in direct contact to the first cathode electrode layer.

公开(公告)号：US20180337352A1

公开(公告)日：2018-11-22

申请号：US15983197

申请日：2018-05-18

Applicant: NOVALED GMBH

Inventor： Mauro Furno ,  Volodymyr Senkovskyy

IPC: H01L51/00

Abstract: The present invention relates to an organic electroluminescent device comprising a first electrode, at least one second electrode, at least one emission layer and at least one electron transport region, wherein the emission layer and the electron transport region are arranged between the at least one second electrode and the first and the electron transport region is arranged between the emission layer and the at least one second electrode, wherein the at least one electron transport region comprises a first electron transport layer, the first electron transport layer preferably not comprising an n-type dopant; and a performance enhancement layer, the performance enhancement layer having a refractive index of≤1.6 at a wavelength of 1,200 nm; wherein the first electron transport layer is arranged between the emission layer and the performance enhancement layer; and the performance enhancement layer is arranged between the first electron transport layer and the at least one second electrode.

公开(公告)号：US20180182960A1

公开(公告)日：2018-06-28

申请号：US15738635

申请日：2016-06-22

Applicant: Novaled GmbH

Inventor： Ulrich Denker ,  Carsten Rothe ,  Volodymyr Senkovskyy ,  Tomas Kalisz

IPC: H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/001 ,  H01L51/002 ,  H01L51/0034 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5004 ,  H01L51/5008 ,  H01L51/5076 ,  H01L51/5092 ,  H01L51/5234 ,  H01L51/5278 ,  H01L51/56 ,  H01L2251/301 ,  H01L2251/305 ,  H01L2251/308 ,  H01L2251/552

Abstract: The present invention relates to an electronic device comprising at least one light emitting layer between an anode and a cathode, the device further comprising between the cathode and the anode at least one mixed layer comprising (i) in substantially elemental form, an electropositive element selected from Li, Na, K, Be, Sc, Y, La, Lu, Ti and V, and (ii) at least one substantially covalent electron transport matrix compound comprising at least one polar group selected from a phosphine oxide group, wherein the reduction potential of the substantially covalent electron transport matrix compound, if measured by cyclic voltammetry under the same conditions, has the value which is more negative than the value obtained for 4,7-diphenyl-1, 10-phenanthroline, preferably more negative than for (9-phenyI-9II-carbazole-2,7-diyl)bis(diphenylphosphine oxide), more preferably more negative than for (9,9-dihexyI-9H-fluorene-2,7-diyl)bis(diphenylphosphine oxide), highly preferably more negative than for 1,3,5-tris(1-phenyl-1H-benzimidazol-2-yl)benzene, even more preferably more negative than for 3-phenyl-3H-benzo[b]dinaphto[2,1-d; 1 2′-fj]phosphepine-3-oxide, most preferably more negative than for pyrene and still preferably more negative than for [1,1′-binaphthalen]-2,2′-diylbis(diphenylphosphine oxide) or a diazole group, wherein the reduction potential of the substantially covalent electron transport matrix compound, if measured by cyclic voltammetry under the same conditions, has the value which is more negative than the value obtained for 4,7-diphenyl-1, 10-phenanthroline, preferably more negative than for (9-phenyl-9H-carbazole-2,7-diyl)bis(diphenylphosphine oxide), more preferably more negative than for (9,9-dihexyl-9H-fluorene-2,7-diyl)bis(diphenylphosphine oxide), highly preferably more negative than for 1,3,5-tris(1-phenyl-1 II-benzimidazol-2-yl)benzene, even more preferably more negative than for 3-phenyl-3H-benzo[b]dinaphto[2,1-d:1′,2′-fj]phosphepine-3-oxide, most preferably more negative than for pyrene and still preferably more negative than for [1,1′-binaphthalen]-2,2′-diylbis(diphenylphosphine oxide), a process for manufacturing the same and a compound comprised therein.