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    • 34. 发明公开
    • ORGANIC ELECTROLUMINESCENT DEVICE
    • 有机电致发光器件
    • EP3147962A1
    • 2017-03-29
    • EP16185999.6
    • 2016-08-26
    • Novaled GmbH
    • PAVICIC, DomagojROTHE, CarstenJANKUS, VygintasLUSCHTINETZ, ReginaGANIER, Jerome
    • H01L51/52
    • H01L51/5004H01L51/0067H01L51/0072H01L51/008H01L51/5012H01L51/5072H01L51/5092H01L2251/55H01L2251/554
    • The present invention relates to an organic electroluminescent device comprising an anode, a cathode, an emission layer, an undoped electron transport layer comprising a first matrix compound, and an electron injection layer comprising a second matrix compound and an alkali organic complex and/or alkali halide, wherein the undoped electron transport layer and the electron injection layer are arranged between the emission layer and the cathode, wherein the reduction potential of the first matrix compound is less negative than the reduction potential of 9,10-di(naphthalen-2-yl)anthracene and more negative than the reduction potential of 4,4'-bis(4,6-diphenyl-1,3,5-triazin-2-yl)biphenyl, wherein the reduction potential in both cases is measured against Fc/Fc + in tetrahydrofurane; and the dipole moment of the first matrix compound is selected ≥ 0 Debye and ≤ 2.5 Debye and the dipole moment of the second matrix compound is selected > 2.5 and
    • 本发明涉及包含阳极,阴极,发射层,包含第一基质化合物的未掺杂电子传输层和包含第二基质化合物和碱性有机络合物和/或碱的电子注入层的有机电致发光器件 其中所述未掺杂的电子传输层和所述电子注入层布置在所述发射层和所述阴极之间,其中所述第一基质化合物的还原电位比还原电位9,10-二(萘-2-酮) 蒽并且比4,4'-双(4,6-二苯基-1,3,5-三嗪-2-基)联苯的还原电位更负,其中在两种情况下的还原电势是针对Fc / 在四氢呋喃中的Fc +; 并且第一基质化合物的偶极矩选择≥0德拜且≤2.5德拜且第二基质化合物的偶极矩选择> 2.5且<10德拜。
    • 35. 发明公开
    • ORGANIC ELECTROLUMINESCENT DEVICE
    • 有机电致发光器件
    • EP3147961A1
    • 2017-03-29
    • EP15187146.4
    • 2015-09-28
    • Novaled GmbH
    • Pavicic, DomagojRothe, CarstenJankus, VygintasLuschtinetz, ReginaGanier, Jerome
    • H01L51/52
    • H01L51/5004H01L51/0067H01L51/0072H01L51/008H01L51/5012H01L51/5072H01L51/5092H01L2251/55H01L2251/554
    • The present invention relates to an organic electroluminescent device comprising an anode, a cathode, an emission layer, an undoped electron transport layer comprising a first matrix compound, and an electron injection layer comprising a second matrix compound and an alkali organic complex and/or alkali halide, wherein the undoped electron transport layer and the electron injection layer are arranged between the emission layer and the cathode, wherein the reduction potential of the first matrix compound is less negative than the reduction potential of 9, 10-di(naphthalen-2-yl)anthracene and more negative than the reduction potential of 4,4'-bis(4,6-diphenyl-1,3,5-triazin-2-yl)biphenyl, wherein the reduction potential in both cases is measured against Fc/Fc + in tetrahydrofurane; and the dipole moment of the first matrix compound is selected ≥ 0 Debye and ≤ 2.5 Debye and the dipole moment of the second matrix compound is selected > 2.5 and
    • 本发明涉及包含阳极,阴极,发射层,包含第一基质化合物的未掺杂电子传输层和包含第二基质化合物和碱性有机络合物和/或碱的电子注入层的有机电致发光器件 其中所述未掺杂的电子传输层和所述电子注入层布置在所述发射层和所述阴极之间,其中所述第一基体化合物的还原电位比还原电位9,10-二(萘-2-酮) 蒽并且比4,4'-双(4,6-二苯基-1,3,5-三嗪-2-基)联苯的还原电位更负,其中在两种情况下的还原电势是针对Fc / 在四氢呋喃中的Fc +; 并且第一基质化合物的偶极矩选择≥0德拜且≤2.5德拜且第二基质化合物的偶极矩选择> 2.5且<10德拜。
    • 37. 发明公开
    • LIGHT-EMITTING ELEMENT
    • 发光元件
    • EP3089550A1
    • 2016-11-02
    • EP14875433.6
    • 2014-11-26
    • JX Nippon Oil & Energy Corporation
    • NISHIMURA, SuzushiSHIBANUMA, ToshihikoTORIYAMA, Shigetaka
    • H05B33/02H01L51/50H05B33/22
    • H01L51/5275H01L27/32H01L33/24H01L51/5012H01L51/52H01L51/5234H01L51/56H01L2251/5361H01L2251/55
    • A light emitting element 100 includes: a concave-convex structure layer 142, a first electrode 92, an organic layer 94, and a second electrode layer 98 which are provided on a surface of a base member 40 in this order; and a lens member 20 arranged on an opposite surface of the base member 40 on a side opposite to the surface, wherein a center of the lens member and a center of a light emitting portion 94a are coincident to each other in a plane view, the light emitting portion 94a being an area of the organic layer sandwiched between the first and second electrodes in a thickness direction of the base member; a ratio of a diameter D2 of the light emitting portion to a diameter D1 of the lens member satisfies D2/D1 ≤ 0.7; and a ratio of a distance d to the diameter D1 of the lens member satisfies d/D1 ≤ 0.25, the distance d being a distance between the opposite surface of the base member and the center of the light emitting portion. This provides a light emitting element which has a sufficient light-emitting efficiency and in which the chromaticity angle dependency is small.
    • 发光元件100包括:依次设置在基体部件40的表面上的凹凸结构层142,第一电极92,有机层94以及第二电极层98; 以及透镜构件20,该透镜构件20布置在基底构件40的与该表面相反的一侧的相对表面上,其中透镜构件的中心和发光部分94a的中心在平面图中彼此一致, 发光部分94a是在基底部件的厚度方向上夹在第一和第二电极之间的有机层的区域; 发光部的直径D2与透镜部件的直径D1之比满足D2 /D1≤0.7, 并且距离d与透镜构件的直径D1的比率满足d /D1≤0.25,距离d是基体构件的相反表面与发光部分的中心之间的距离。 这提供了具有足够的发光效率并且其中色度角依赖性小的发光元件。