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    Tandem OLEDs having low drive voltage
    3.
    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。

    White OLEDs with a color-compensated electroluminescent unit
    4.
    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。

    CONTAMINANT-SCAVENGING LAYER ON OLED ANODES
    5.
    发明申请
    CONTAMINANT-SCAVENGING LAYER ON OLED ANODES 审中-公开
    污染物 - SCAVENGING层在OLED阳极上

    公开(公告)号：US20090004365A1

    公开(公告)日：2009-01-01

    申请号：US12205952

    申请日：2008-09-08

    申请人： Liang-Sheng Liao ,  Kevin P. Klubek ,  Wojciech K. Slusarek ,  Tukaram K. Hatwar

    发明人： Liang-Sheng Liao ,  Kevin P. Klubek ,  Wojciech K. Slusarek ,  Tukaram K. Hatwar

    IPC分类号： B05D5/12

    CPC分类号： H05B33/26 ,  H01L51/5088 ,  H01L51/5206 ,  H01L2251/554

    摘要： An OLED includes an anode formed over a substrate and a contaminant-scavenging layer formed over the anode, wherein the contaminant-scavenging layer includes one or more organic materials but not a hexaazatriphenylene derivative, each having an electron-accepting property and a reduction potential greater than −0.1 V vs. a Saturated Calomel Electrode, and wherein the one or more organic materials provide more than 50% by mole ratio of the contaminant-scavenging layer. The OLED also includes an organic electroluminescent unit formed over the contaminant-scavenging layer, wherein the organic electroluminescent unit includes a hole-transporting layer, a light-emitting layer, and an electron-transporting layer, and a cathode formed over the organic electroluminescent unit.

    摘要翻译： OLED包括形成在衬底上的阳极和形成在阳极上的污染物清除层，其中污染物清除层包括一种或多种有机材料而不是六氮杂苯并菲衍生物，其各自具有电子接受性和还原电位更大 与-0.1V相对于饱和马氏体电极，并且其中所述一种或多种有机材料提供超过污染物清除层的50摩尔％的比例。 OLED还包括在污染物清除层上形成的有机电致发光单元，其中有机电致发光单元包括空穴传输层，发光层和电子传输层，以及在有机电致发光单元上形成的阴极 。

    White OLED having multiple white electroluminescence units
    6.
    发明授权
    White OLED having multiple white electroluminescence units 有权
    白色OLED具有多个白色电致发光单元

    公开(公告)号：US07273663B2

    公开(公告)日：2007-09-25

    申请号：US10922606

    申请日：2004-08-20

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

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

    IPC分类号： H01L51/50

    CPC分类号： H01L51/5278 ,  H01L51/5036 ,  Y10S428/917 ,  Y10T428/24942

    摘要： A tandem white OLED device includes an anode, a cathode, and a plurality of organic electroluminescence units disposed between the anode and the cathode, wherein each organic electroluminescence unit includes at least one light-emitting layer, and wherein each organic electroluminescence unit emits white light. The device also includes an intermediate connector disposed between each adjacent organic electroluminescence unit, wherein the intermediate connector includes at least two different layers, and wherein the intermediate connector has no direct connection to an external power source.

    摘要翻译： 串联白色OLED器件包括阳极，阴极和设置在阳极和阴极之间的多个有机电致发光单元，其中每个有机电致发光单元包括至少一个发光层，并且其中每个有机电致发光单元发射白光 。 该装置还包括设置在每个相邻的有机电致发光单元之间的中间连接器，其中中间连接器包括至少两个不同的层，并且其中中间连接器不直接连接到外部电源。

    Organic element for low voltage electroluminescent devices
    7.
    发明申请
    Organic element for low voltage electroluminescent devices 审中-公开
    低电压电致发光器件的有机元件

    公开(公告)号：US20070207347A1

    公开(公告)日：2007-09-06

    申请号：US11796953

    申请日：2007-04-30

    申请人： William Begley ,  Tukaram Hatwar ,  Liang-Sheng Liao ,  Jeffrey Spindler ,  Kevin Klubek ,  Manju Rajeswaran ,  Natasha Andrievsky

    发明人： William Begley ,  Tukaram Hatwar ,  Liang-Sheng Liao ,  Jeffrey Spindler ,  Kevin Klubek ,  Manju Rajeswaran ,  Natasha Andrievsky

    IPC分类号： H01L51/54

    CPC分类号： H01L51/0077 ,  H01L51/0052 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/008 ,  H01L51/0081 ,  H01L51/5048 ,  H01L2251/308 ,  H01L2251/5384

    摘要： An OLED device comprises a cathode, a light emitting layer and an anode, in that order, and, has located between the cathode and the light emitting layer, a further layer containing a cyclometallated complex represented by Formula (4′) wherein: Z and the dashed arc represent two or three atoms and the bonds necessary to complete a 5- or 6-membered ring with M; each A represents H or a substituent and each B represents an independently selected substituent on the Z atoms, provided that two or more substituents may combine to form a fused ring or a fused ring system; j is 0-3 and k is 1 or 2; M represents a Group IA, IIA, IIIA and IIB element of the Periodic Table; m and n are independently selected integers selected to provide a neutral charge on the complex; and provided that the complex does not contain the 8-hydroxyquinolate ligand. Such devices exhibit reduce drive voltage while maintaining good luminance.

    摘要翻译： OLED器件依次包括阴极，发光层和阳极，并且位于阴极和发光层之间，其中包含由式（4'）表示的环金属配合物的另外的层，其中Z和 虚线表示两个或三个原子，并且用M完成5-或6-元环所必需的键; 每个A表示H或取代基，并且每个B表示Z原子上独立选择的取代基，条件是两个或多个取代基可以结合形成稠环或稠环体系; j为0-3，k为1或2; M表示周期表的IA，IIA，IIIA和IIB族元素; m和n是独立选择的整数，以在络合物上提供中性电荷; 并且条件是所述复合物不含有8-羟基喹啉配体。 这样的器件在保持良好亮度的同时表现出降低驱动电压。

    OLED DEVICE WITH FLUORANTHENE ELECTRON TRANSPORT MATERIALS
    8.
    发明申请
    OLED DEVICE WITH FLUORANTHENE ELECTRON TRANSPORT MATERIALS 有权
    具有氟代电子传输材料的OLED器件

    公开(公告)号：US20090108735A1

    公开(公告)日：2009-04-30

    申请号：US11924631

    申请日：2007-10-26

    申请人： William J. Begley ,  Liang-Sheng Liao ,  Natasha Andrievsky

    发明人： William J. Begley ,  Liang-Sheng Liao ,  Natasha Andrievsky

    IPC分类号： H01L27/28

    CPC分类号： H01L51/0054 ,  C07C13/62 ,  C07C13/66 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/008 ,  H01L51/0087 ,  H01L51/5092 ,  Y10S428/917

    摘要： The invention provides an OLED device comprising a cathode, an anode, and having there between a light-emitting layer, further comprising, between the cathode and the light emitting layer, a non-luminescent electron transporting layer containing a compound with a 7,10-diaryl substituted fluoranthene nucleus having no aromatic rings annulated to the fluoranthene nucleus and desirably comprises still further an additional layer containing an organic alkali metal compound, located between the cathode and the electron transporting layer.Devices of the invention provide improvement in features such as efficiency, drive voltage, and operational stability.

    摘要翻译： 本发明提供了一种OLED器件，其包括阴极，阳极，并且在发光层之间具有发光层，该发光层还包括在阴极和发光层之间的非发光电子传输层，其含有具有7,10 没有芳族环的二芳基取代的荧蒽核连接到荧蒽核上，并且期望还包含位于阴极和电子传输层之间的含有有机碱金属化合物的另外的层。 本发明的装置提供诸如效率，驱动电压和操作稳定性等特征的改进。

    OLED device with fluoranthene electron injection materials
    10.
    发明授权
    OLED device with fluoranthene electron injection materials 有权
    OLED器件采用荧蒽电子注入材料

    公开(公告)号：US08088500B2

    公开(公告)日：2012-01-03

    申请号：US12269066

    申请日：2008-11-12

    申请人： William J. Begley ,  Natasha Andrievsky ,  Liang-Sheng Liao

    发明人： William J. Begley ,  Natasha Andrievsky ,  Liang-Sheng Liao

    IPC分类号： H01J1/63

    CPC分类号： C09K11/06 ,  C09K2211/1029 ,  C09K2211/107 ,  C09K2211/185 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5092 ,  H01L2251/5384 ,  H05B33/14 ,  H05B33/20

    摘要： The invention provides an OLED device including a cathode, an anode, and having there between a light-emitting layer, further including, between the cathode and the light emitting layer, a first layer containing a fluoranthene compound including one and only one fluoranthene nucleus and having no aromatic rings annulated to the fluoranthene nucleus, the fluoranthene nucleus having independently selected aromatic groups in the 7,10-positions and an azine group in the 8- or 9-position, provided that the azine group is not a phenanthroline group. The OLED device desirably includes a second layer containing an alkali metal or alkali metal compound, located between the cathode and the first layer. The OLED device can also include a polycyclic aromatic hydrocarbon compound in the first layer or in a third layer located between the first layer and the light-emitting layer. Devices of the invention provide improvement in features such as efficiency and drive voltage.

    摘要翻译： 本发明提供了一种OLED器件，其包括阴极，阳极，并且在发光层之间具有发光层，所述发光层还包括在所述阴极和所述发光层之间，包含含有一个且仅一个荧蒽核的荧蒽化合物的第一层和 没有与荧蒽核呈环状的芳香环，在7,10位具有独立选择的芳族基团的荧蒽核和8位或9位的吖嗪基团，条件是吖嗪基不是菲咯啉基团。 OLED器件理想地包括位于阴极和第一层之间的含有碱金属或碱金属化合物的第二层。 OLED器件还可以包括位于第一层和发光层之间的第一层或第三层中的多环芳族烃化合物。 本发明的装置提供诸如效率和驱动电压之类的特征的改进。