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    • 3. 发明授权
    • Organic light emitting element and a light emitting device using the same
    • 有机发光元件和使用其的发光器件
    • US07504771B2
    • 2009-03-17
    • US11319216
    • 2005-12-28
    • Hiroko YamazakiSatoshi Seo
    • Hiroko YamazakiSatoshi Seo
    • H01J1/62
    • H01L51/5044H01L27/3206H01L27/3244H01L33/502H01L51/0058H01L51/006H01L51/0081H01L51/0085H01L51/5016H01L51/5028H01L51/5036H01L51/5056H01L51/5072H01L51/5088H01L51/5092H01L51/5096H01L51/5206H01L51/5221H01L51/5234H01L51/56
    • The present invention provides a white organic light-emitting element high in the emission efficiency. In particular, the invention provides a white organic light-emitting element that has an emission spectrum having peaks in the respective wavelength regions of red color, green color and blue color and is high in the emission efficiency.Since a spectrum region lowest in the emission efficiency is a red region, by introducing a reddish phosphorescent material, a highly efficient white organic light-emitting element is obtained. At this time, in order to inhibit the reddish phosphorescent material from singularly emitting, as shown in FIG. 1, a distance between a second emission region 114 where a reddish phosphorescent material 124 is a luminescent material and a first emission region 113 that exhibits emission in a shorter wavelength side than the second emission region is separated. In a configuration shown in FIG. 1, it is preferable to use an electron transport material in a layer 115 between the first emission region and the second emission region and more preferable to use a hole block material.
    • 本发明提供了一种发光效率高的白色有机发光元件。 特别地,本发明提供一种白色有机发光元件,其具有在红色,绿色和蓝色的各个波长区域具有峰值的发射光谱,并且发光效率高。 由于发射效率最低的光谱区域是红色区域,所以通过引入红色磷光材料,获得高效率的白色有机发光元件。 此时,为了抑制红色磷光发光材料的发光,如图1所示。 如图1所示,分离出红色磷光材料124为发光材料的第二发光区域114与第二发光区域的短波长侧发光的第一发光区域113之间的距离。 在图1所示的结构中, 如图1所示,优选在第一发光区域和第二发光区域之间的层115中使用电子传输材料,更优选使用空穴阻挡材料。
    • 6. 发明申请
    • Organic light emitting element and a light emitting device using the same
    • 有机发光元件和使用其的发光器件
    • US20060164006A1
    • 2006-07-27
    • US11319216
    • 2005-12-28
    • Hiroko YamazakiSatoshi Seo
    • Hiroko YamazakiSatoshi Seo
    • H01J1/62
    • H01L51/5044H01L27/3206H01L27/3244H01L33/502H01L51/0058H01L51/006H01L51/0081H01L51/0085H01L51/5016H01L51/5028H01L51/5036H01L51/5056H01L51/5072H01L51/5088H01L51/5092H01L51/5096H01L51/5206H01L51/5221H01L51/5234H01L51/56
    • The present invention provides a white organic light-emitting element high in the emission efficiency. In particular, the invention provides a white organic light-emitting element that has an emission spectrum having peaks in the respective wavelength regions of red color, green color and blue color and is high in the emission efficiency. Since a spectrum region lowest in the emission efficiency is a red region, by introducing a reddish phosphorescent material, a highly efficient white organic light-emitting element is obtained. At this time, in order to inhibit the reddish phosphorescent material from singularly emitting, as shown in FIG. 1, a distance between a second emission region 114 where a reddish phosphorescent material 124 is a luminescent material and a first emission region 113 that exhibits emission in a shorter wavelength side than the second emission region is separated. In a configuration shown in FIG. 1, it is preferable to use an electron transport material in a layer 115 between the first emission region and the second emission region and more preferable to use a hole block material.
    • 本发明提供了一种发光效率高的白色有机发光元件。 特别地,本发明提供一种白色有机发光元件,其具有在红色,绿色和蓝色的各个波长区域具有峰值的发射光谱,并且发光效率高。 由于发射效率最低的光谱区域是红色区域,所以通过引入红色磷光材料,获得高效率的白色有机发光元件。 此时,为了抑制红色磷光发光材料的发光,如图1所示。 如图1所示,分离出红色磷光材料124为发光材料的第二发光区域114与第二发光区域的短波长侧发光的第一发光区域113之间的距离。 在图1所示的结构中, 如图1所示,优选在第一发光区域和第二发光区域之间的层115中使用电子传输材料,更优选使用空穴阻挡材料。
    • 8. 发明授权
    • Light emitting device and manufacturing method therefor
    • 发光元件及其制造方法
    • US06838836B2
    • 2005-01-04
    • US10456609
    • 2003-06-09
    • Satoshi SeoHiroko Yamazaki
    • Satoshi SeoHiroko Yamazaki
    • H05B33/26H01L51/00H01L51/50G09G3/10H01J1/62
    • H01L51/5092H01L51/0035H01L51/0051H01L51/0059H01L51/0078H01L51/0081H01L51/5088H01L2251/5315
    • To provide a light emitting element having a top emission structure, which can be easily manufactured without considering an ionization potential of an electrode (particularly an electrode in contact with a substrate) and a manufacturing method therefor. A light emitting device having the top emission structure according to the present invention includes: a first electrode (101) formed of general-purpose metal (specifically, a wiring material such as Ti or Al) having a light-shielding property or reflectivity; a conductive polymer layer (102) formed by applying a conductive polymer material onto the first electrode (101); an electroluminescence film (103) formed in contact with the conductive polymer layer (102); and a light-transmissive second electrode (104) formed on the electroluminescence film 103, in which the conductive polymer layer (102) is formed of materials including a redox polymer etc., while being free of problems regarding work function (as shown in FIG. 1A).
    • 提供一种具有顶部发射结构的发光元件及其制造方法,其可以容易地制造而不考虑电极(特别是与基板接触的电极)的电离电位。 根据本发明的具有顶部发射结构的发光器件包括:由具有遮光性或反射率的通用金属(具体地,诸如Ti或Al的布线材料)形成的第一电极(101) 通过将导电聚合物材料施加到所述第一电极(101)上形成的导电聚合物层(102); 形成为与导电聚合物层(102)接触的电致发光膜(103); 以及形成在电致发光膜103上的透光性第二电极(104),其中导电性聚合物层(102)由包含氧化还原性聚合物等的材料形成,同时没有关于功函数的问题(如图 1A)。
    • 10. 发明授权
    • Organic light emitting element and a light emitting device using the same
    • 有机发光元件和使用其的发光器件
    • US08026660B2
    • 2011-09-27
    • US12370836
    • 2009-02-13
    • Hiroko YamazakiSatoshi Seo
    • Hiroko YamazakiSatoshi Seo
    • H05B33/14
    • H01L51/5044H01L27/3206H01L27/3244H01L33/502H01L51/0058H01L51/006H01L51/0081H01L51/0085H01L51/5016H01L51/5028H01L51/5036H01L51/5056H01L51/5072H01L51/5088H01L51/5092H01L51/5096H01L51/5206H01L51/5221H01L51/5234H01L51/56
    • The present invention provides a white organic light-emitting element high in the emission efficiency. In particular, the invention provides a white organic light-emitting element that has an emission spectrum having peaks in the respective wavelength regions of red color, green color and blue color and is high in the emission efficiency.Since a spectrum region lowest in the emission efficiency is a red region, by introducing a reddish phosphorescent material, a highly efficient white organic light-emitting element is obtained. At this time, in order to inhibit the reddish phosphorescent material from singularly emitting, as shown in FIG. 1, a distance between a second emission region 114 where a reddish phosphorescent material 124 is a luminescent material and a first emission region 113 that exhibits emission in a shorter wavelength side than the second emission region is separated. In a configuration shown in FIG. 1, it is preferable to use an electron transport material in a layer 115 between the first emission region and the second emission region and more preferable to use a hole block material.
    • 本发明提供了一种发光效率高的白色有机发光元件。 特别地,本发明提供一种白色有机发光元件,其具有在红色,绿色和蓝色的各个波长区域具有峰值的发射光谱,并且发光效率高。 由于发射效率最低的光谱区域是红色区域,所以通过引入红色磷光材料,获得高效率的白色有机发光元件。 此时,为了抑制红色磷光发光材料的发光,如图1所示。 如图1所示,分离出红色磷光材料124为发光材料的第二发光区域114与第二发光区域的短波长侧发光的第一发光区域113之间的距离。 在图1所示的结构中, 如图1所示,优选在第一发光区域和第二发光区域之间的层115中使用电子传输材料,更优选使用空穴阻挡材料。