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    HYBRID FLUORESCENT/PHOSPHORESCENT OLEDS
    1.
    发明申请
    HYBRID FLUORESCENT/PHOSPHORESCENT OLEDS 审中-公开
    混合荧光/磷光体OLED

    公开(公告)号：US20080284318A1

    公开(公告)日：2008-11-20

    申请号：US11749899

    申请日：2007-05-17

    申请人： Joseph C. Deaton ,  Denis Y. Kondakov ,  Marina E. Kondakava ,  Kevin P. Klubek ,  Dustin L. Comfort

    发明人： Joseph C. Deaton ,  Denis Y. Kondakov ,  Marina E. Kondakava ,  Kevin P. Klubek ,  Dustin L. Comfort

    IPC分类号： H01J1/62

    CPC分类号： H01L51/5044 ,  H01L51/0079 ,  H01L51/008 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5376

    摘要： An electroluminescent device comprises a) a fluorescent light emitting layer comprising a fluorescent emitter and a fluorescent host material wherein the HOMO energy level of the fluorescent host material is not more than 0.1 eV more negative than that of the fluorescent emitter; b) a phosphorescent light emitting layer comprising a phosphorescent emitter and a phosphorescent host material; and c) a spacer layer interposed between the fluorescent light emitting layer and the phosphorescent light emitting layer; wherein the triplet energy of the fluorescent host material is not more than 0.2 eV less than the triplet energy of both the spacer layer material and of the phosphorescent host material. The materials within these layers are selected so that the HOMO and triplet energy levels satisfy certain interrelationships. The invention provides devices that emit light with high luminous efficiency.

    摘要翻译： 一种电致发光器件包括：a）包含荧光发射体和荧光主体材料的荧光发光层，其中荧光主体材料的HOMO能级不比荧光发射体的阴离子多0.1eV; b）包含磷光发射体和磷光主体材料的磷光发光层; 以及c）插入在荧光发光层和磷光发光层之间的间隔层; 其中所述荧光主体材料的三重态能量比所述间隔层材料和所述磷光主体材料的三线态能量小不超过0.2eV。 选择这些层内的材料，使得HOMO和三重态能级满足某些相互关系。 本发明提供发光效率高的装置。

    Electroluminescent device containing an anthracene derivative
    5.
    发明授权
    Electroluminescent device containing an anthracene derivative 有权
    含有蒽衍生物的电致发光器件

    公开(公告)号：US07553558B2

    公开(公告)日：2009-06-30

    申请号：US11289856

    申请日：2005-11-30

    申请人： Kevin P. Klubek ,  Denis Y. Kondakov

    发明人： Kevin P. Klubek ,  Denis Y. Kondakov

    IPC分类号： H01L51/54

    CPC分类号： H01L51/5048 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L2251/308 ,  Y10S428/917

    摘要： An OLED device comprises a cathode, an anode, and a light-emitting layer therebetween, and additionally comprises a layer between the cathode and the light-emitting layer including a compound comprising one and only one anthracene nucleus bearing no more than two phenanthroline-containing substituents wherein said anthracene nucleus is substituted in the 2-, 3-, 6-, or 7-position with a phenanthroline-containing substituent. When such materials are included in a layer, such as an electron-transporting layer, that provide both desirable electroluminescent properties as well as good device stability.

    摘要翻译： OLED器件包括阴极，阳极和其间的发光层，并且还包括在阴极和发光层之间的层，包括仅包含一个且仅一个不含两个含菲咯啉的蒽核的化合物 取代基，其中所述蒽核在2-，3-，6-或7-位被带菲咯啉的取代基取代。 当这样的材料被包括在提供所需的电致发光性能以及良好的器件稳定性的诸如电子传输层的层中时。

    Cascaded organic electroluminescent devices with improved voltage stability
    7.
    发明授权
    Cascaded organic electroluminescent devices with improved voltage stability 有权
    具有改善的电压稳定性的级联有机电致发光器件

    公开(公告)号：US06717358B1

    公开(公告)日：2004-04-06

    申请号：US10267252

    申请日：2002-10-09

    申请人： Liang-Sheng Liao ,  Kevin P. Klubek ,  Dustin L. Comfort ,  Ching W. Tang

    发明人： Liang-Sheng Liao ,  Kevin P. Klubek ,  Dustin L. Comfort ,  Ching W. Tang

    IPC分类号： H01J162

    CPC分类号： H01L51/5278 ,  H01L51/5052 ,  Y10S428/917

    摘要： A cascaded organic electroluminescent device with connecting units having improved voltage stability is disclosed. The device comprises an anode, a cathode, a plurality of organic electroluminescent units disposed between the anode and the cathode, wherein the organic electroluminescent units comprise at least a hole-transporting layer and an electron-transporting layer, and a connecting unit disposed between each adjacent organic electroluminescent unit, wherein the connecting unit comprises, in sequence, an n-type doped organic layer, an interfacial layer, and a p-type doped organic layer, and wherein the interfacial layer prevents diffusion or reaction between the n-type doped organic layer and the p-type doped organic layer.

    摘要翻译： 公开了具有改进的电压稳定性的具有连接单元的级联有机电致发光器件。 该装置包括阳极，阴极，设置在阳极和阴极之间的多个有机电致发光单元，其中有机电致发光单元至少包括空穴传输层和电子传输层，以及连接单元， 相邻的有机电致发光单元，其中所述连接单元依次包括n型掺杂的有机层，界面层和p型掺杂的有机层，并且其中所述界面层防止n型掺杂的扩散或反应 有机层和p型掺杂有机层。

    White OLEDs with a color-compensated electroluminescent unit
    8.
    发明授权
    White OLEDs with a color-compensated electroluminescent unit 有权
    具有彩色补偿电致发光单元的白色OLED

    公开(公告)号：US07560862B2

    公开(公告)日：2009-07-14

    申请号：US10970928

    申请日：2004-10-22

    申请人： Liang-Sheng Liao ,  Tukaram K. Hatwar ,  Kevin P. Klubek ,  Dustin L. Comfort ,  Ching W. Tang

    发明人： Liang-Sheng Liao ,  Tukaram K. Hatwar ,  Kevin P. Klubek ,  Dustin L. Comfort ,  Ching W. Tang

    IPC分类号： H05B33/14 ,  H05B33/00 ,  H01L51/50 ,  H01J1/62

    CPC分类号： H01L51/5036 ,  H01L51/0052 ,  H01L51/0053 ,  H01L51/0054 ,  H01L51/0081 ,  H01L51/5278 ,  Y10S428/917

    摘要： A tandem white OLED includes an anode; a cathode; at least one broadband electroluminescent unit disposed between the anode and the cathode, wherein the broadband electroluminescent unit includes at least one light-emitting layer and produces at least one color component having an intensity less than desired; at least one color-compensating electroluminescent unit disposed between the anode and the cathode, wherein the color-compensating electroluminescent unit is selected to produce the at least one color component and to increase the color component intensity; and an intermediate connector disposed between each adjacent electroluminescent unit, wherein the intermediate connector has no direct connection to an external power source.

    摘要翻译： 串联白色OLED包括阳极; 阴极 设置在所述阳极和所述阴极之间的至少一个宽带电致发光单元，其中所述宽带电致发光单元包括至少一个发光层，并且产生至少一个具有小于期望强度的颜色分量; 设置在阳极和阴极之间的至少一个颜色补偿电致发光单元，其中选择颜色补偿电致发光单元以产生至少一种颜色分量并增加颜色分量强度; 以及设置在每个相邻的电致发光单元之间的中间连接器，其中中间连接器不直接连接到外部电源。

    Providing an emission-protecting layer in an OLED device
    9.
    发明授权
    Providing an emission-protecting layer in an OLED device 有权
    在OLED器件中提供发光保护层

    公开(公告)号：US06853133B2

    公开(公告)日：2005-02-08

    申请号：US10431303

    申请日：2003-05-07

    申请人： Liang-Sheng Liao ,  Kevin P. Klubek ,  Dustin L. Comfort

    发明人： Liang-Sheng Liao ,  Kevin P. Klubek ,  Dustin L. Comfort

    IPC分类号： H05B33/22 ,  H01L27/32 ,  H01L51/00 ,  H01L51/30 ,  H01L51/50 ,  H05B33/10 ,  H05B33/14 ,  H05B33/20 ,  H01J1/62

    CPC分类号： H01L51/5096 ,  H01L27/3211 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/0062 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/0089 ,  H01L51/5012

    摘要： An organic light-emitting device with improved performance including an anode formed over a substrate; a hole-transporting layer formed over the anode; and a light emitting layer formed over the hole-transporting layer for producing light in response to hole-electron recombination. The organic light-emitting device also includes an emission-protecting layer formed over the light-emitting layer, wherein the emission-protecting layer includes one or more materials selected to resist the surface contamination on the organic light-emitting layer and to ensure that there will be less surface contamination than if such layer had not been provided; an electron-transporting layer formed over the emission-protecting layer; and a cathode formed over the electron-transporting layer.

    摘要翻译： 一种具有改进性能的有机发光器件，包括形成在衬底上的阳极; 形成在阳极上的空穴传输层; 以及形成在空穴传输层上的发光层，用于响应于空穴电子复合而产生光。 有机发光装置还包括在发光层上形成的发光保护层，其中发光保护层包括一种或多种被选择用于抵抗有机发光层上的表面污染的材料，并且确保在那里 与没有提供这样的层相比，表面污染将会更少; 形成在发光保护层上的电子传输层; 和形成在电子传输层上的阴极。

    Tandem OLEDs having low drive voltage
    10.
    发明授权
    Tandem OLEDs having low drive voltage 有权
    具有低驱动电压的串联OLED

    公开(公告)号：US07075231B1

    公开(公告)日：2006-07-11

    申请号：US11028033

    申请日：2005-01-03

    申请人： Liang-Sheng Liao ,  Tukaram K. Hatwar ,  Kevin P. Klubek ,  J. Ramon Vargas ,  Dustin L. Comfort

    发明人： Liang-Sheng Liao ,  Tukaram K. Hatwar ,  Kevin P. Klubek ,  J. Ramon Vargas ,  Dustin L. Comfort

    IPC分类号： H01J1/62 ,  H01J63/04

    CPC分类号： H01L51/5278 ,  C09K2211/1029 ,  C09K2211/1037 ,  H01L51/002 ,  H01L51/0059 ,  H01L51/0073 ,  H01L51/0081 ,  H01L51/5052 ,  H01L2251/558

    摘要： A tandem OLED includes an anode, a cathode, and at least two electroluminescent units disposed between the anode and the cathode, wherein each of the electroluminescent units includes at least one hole-injecting layer, one hole-transporting layer, one organic light-emitting layer, one electron-transporting layer, and one electron-injecting layer. The OLED also includes at least one intermediate connector, wherein each of the intermediate connectors includes at least one layer, and wherein each of the intermediate connectors is disposed between electroluminescent units, wherein the thickness of each layer in each of the electroluminescent units and the intermediate connectors is selected to satisfy the test condition that the voltage drop from the anode to the cathode is less than 4.0 V×N (the number of electroluminescent units) at 20 mA/cm2.

    摘要翻译： 串联OLED包括阳极，阴极和设置在阳极和阴极之间的至少两个电致发光单元，其中每个电致发光单元包括至少一个空穴注入层，一个空穴传输层，一个有机发光 层，一个电子传输层和一个电子注入层。 OLED还包括至少一个中间连接器，其中每个中间连接器包括至少一个层，并且其中每个中间连接器设置在电致发光单元之间，其中每个电致发光单元和中间层中的每个层的厚度 选择连接器以满足在20mA / cm 2时从阳极到阴极的电压降小于4.0VVN（电致发光单元的数量）的测试条件。