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1. 发明授权

US07309956B2 Top-emitting OLED device with improved-off axis viewing performance 有权
标题翻译：具有改进的离轴观察性能的顶级发光OLED器件
公开(公告)号：US07309956B2
公开(公告)日：2007-12-18
申请号：US11036810
申请日：2005-01-14
申请人： Pranab K. Raychaudhuri , Joseph K. Madathil , Joel D. Shore
发明人： Pranab K. Raychaudhuri , Joseph K. Madathil , Joel D. Shore
IPC分类号： H01J1/62
CPC分类号： H01L51/5234 , H01L51/0081 , H01L51/5262 , H01L51/5265 , H01L2251/308 , H01L2251/5315 , H01L2251/558
摘要： A top-emitting OLED device with improved off-axis viewing includes a substrate; a reflective, substantially opaque, and conductive anode including a metal or metal alloy or both formed over the substrate; at least one organic layer formed over the anode and including an electroluminescent material; a cathode including a semitransparent metallic layer provided over the organic layer wherein the semitransparent metallic layer includes a low reflectivity metal; an light transmissive layer provided over the cathode; and the cathode and light transmissive layer being selected to reduce the color shift with respect to an off-axis viewing angle.
摘要翻译：具有改进的离轴观察的顶部发射OLED器件包括衬底; 包括形成在衬底上的金属或金属合金或两者的反射，基本上不透明和导电的阳极; 在阳极上形成的至少一个有机层，包括电致发光材料; 阴极，其包括设置在所述有机层上的半透明金属层，其中所述半透明金属层包括低反射率金属; 设置在阴极上的透光层; 并且阴极和透光层被选择为相对于离轴视角减小颜色偏移。

2. 发明授权

US06797129B2 Organic light-emitting device structure using metal cathode sputtering 有权
标题翻译：使用金属阴极溅射的有机发光器件结构
公开(公告)号：US06797129B2
公开(公告)日：2004-09-28
申请号：US10161005
申请日：2002-06-03
申请人： Pranab K. Raychaudhuri , Joseph K. Madathil
发明人： Pranab K. Raychaudhuri , Joseph K. Madathil
IPC分类号： C23C1434
CPC分类号： H01L51/5092 , H01L51/5221 , Y10T428/26
摘要： An OLED device, including a substrate, an anode formed of a conductive material disposed over the substrate, an emissive layer having an electroluminescent material provided over the anode layer, a buffer layer, provided over the emissive layer and including phthalocyanine or derivatives thereof, an electron injecting dopant source layer provided over the buffer layer and including a compound of an alkali metal or thermal decomposition products thereof; and a sputtered layer of a metal or metal alloy provided over the buffer layer and selected to function with the buffer layer to inject electrons into the emissive layer.
摘要翻译：一种OLED器件，包括衬底，由布置在衬底上的导电材料形成的阳极，具有设置在阳极层上的电致发光材料的发射层，设置在发光层上并包括酞菁或其衍生物的缓冲层，电子注入掺杂剂源层，设置在缓冲层上并包含碱金属化合物或其热分解产物; 以及设置在缓冲层上并被选择与缓冲层起作用以将电子注入到发射层中的金属或金属合金的溅射层。

3. 发明授权

US06765349B2 High work function metal alloy cathode used in organic electroluminescent devices 有权
标题翻译：高功函数金属合金阴极用于有机电致发光器件
公开(公告)号：US06765349B2
公开(公告)日：2004-07-20
申请号：US10260666
申请日：2002-09-30
申请人： Liang-Sheng Liao , Joseph K. Madathil , Pranab K. Raychaudhuri
发明人： Liang-Sheng Liao , Joseph K. Madathil , Pranab K. Raychaudhuri
IPC分类号： H05B3302
CPC分类号： H01L51/5221 , H01L51/0059 , H01L51/0078 , H01L51/0081
摘要： An organic electroluminescent device including an anode, an electroluminescent medium, and a metal alloy cathode comprising at least two metals, wherein all the metals of the alloy have their work function higher than 4.0 eV.
摘要翻译：一种包括阳极，电致发光介质和包含至少两种金属的金属合金阴极的有机电致发光器件，其中所述合金的所有金属的功函数高于4.0eV。

4. 发明授权

US06794061B2 Organic electroluminescent device having an adhesion-promoting layer for use with a magnesium cathode 有权
标题翻译：具有用于镁阴极的粘合促进层的有机电致发光器件
公开(公告)号：US06794061B2
公开(公告)日：2004-09-21
申请号：US10062361
申请日：2002-01-31
申请人： Liang-Sheng L. Liao , Joseph K. Madathil , Pranab K. Raychaudhuri , Ching W. Tang
发明人： Liang-Sheng L. Liao , Joseph K. Madathil , Pranab K. Raychaudhuri , Ching W. Tang
IPC分类号： H05B3312
CPC分类号： H01L51/5092 , H01L51/0052 , H01L51/0059 , H01L51/0062 , H01L51/0077 , H01L51/0084 , H01L51/0085 , H01L51/0089 , H01L51/50 , H01L51/5221 , Y10S428/917 , Y10T428/26 , Y10T428/31678
摘要： An organic electroluminescent device is provided that includes an anode and a substantially pure Mg cathode, an electroluminescent medium disposed between the anode and the cathode, and an adhesion-promoting layer in contact with cathode and the electroluminescent medium. The adhesion-promoting layer comprises at least one metal or metal compound selected from group 1 through group 15 of the Periodic Table of Elements such that the metal has an atomic number of at least 19.
摘要翻译：提供了一种有机电致发光器件，其包括阳极和基本上纯的Mg阴极，设置在阳极和阴极之间的电致发光介质以及与阴极和电致发光介质接触的粘附促进层。粘合促进层包含至少一种选自元素周期表第1至15族的金属或金属化合物，使得金属的原子序数至少为19。

5. 发明授权

US07049741B2 Organic light emitting diode with improved light emission through substrate 有权
标题翻译：有机发光二极管，通过基板改善发光
公开(公告)号：US07049741B2
公开(公告)日：2006-05-23
申请号：US10765375
申请日：2004-01-27
申请人： Joseph K. Madathil , Pranab K. Raychaudhuri
发明人： Joseph K. Madathil , Pranab K. Raychaudhuri
IPC分类号： H01J1/62 , H01J63/04
CPC分类号： H01L51/5088 , H01L51/5265
摘要： Bottom-emitting organic light-emitting diode device includes a semitransparent, reflective and conductive anode including a metal or metal alloy or both formed over a transparent substrate, a plurality of hole-injecting layers including a bilayer structure having a layer including an oxide and a layer including a fluorinated carbon disposed over the semitransparent, reflective and conductive anode, a plurality of organic layers formed over the plurality of hole-injecting layers and including an emissive layer having an electroluminescent material, and a reflective, opaque and conductive cathode of a metal or metal alloy or both provided over the plurality of organic layers, and the plurality of the hole-injecting layers being configured to reduce the drive voltage, and the transparency of the anode, the reflectivity of the cathode, and the thickness of the organic layers between the electrodes being selected to change the internal reflection of light.
摘要翻译：底部发光的有机发光二极管器件包括半透明，反射和导电的阳极，其包括金属或金属合金或两者形成在透明衬底上，多个空穴注入层包括具有包含氧化物的层的双层结构和层，包括设置在半透明反射和导电阳极上的氟化碳，在多个空穴注入层上形成的多个有机层，并且包括具有电致发光材料的发射层，以及金属的反射不透明导电阴极或金属合金或两者设置在多个有机层上，并且多个空穴注入层被配置为降低驱动电压，并且阳极的透明度，阴极的反射率和有机层的厚度选择电极之间以改变光的内部反射。

6. 发明授权

US06579629B1 Cathode layer in organic light-emitting diode devices 有权
标题翻译：有机发光二极管器件中的阴极层
公开(公告)号：US06579629B1
公开(公告)日：2003-06-17
申请号：US09636494
申请日：2000-08-11
申请人： Pranab K. Raychaudhuri , Ching W. Tang , Joseph K. Madathil
发明人： Pranab K. Raychaudhuri , Ching W. Tang , Joseph K. Madathil
IPC分类号： H01L5120
CPC分类号： H01L51/5092 , H01L51/5221 , Y10S428/917
摘要： An OLED device including a substrate, an anode formed of a conductive material over the substrate, and an emissive layer having an electroluminescent material provided over the anode. The OLED device also includes a buffer structure having at least two layers, a first buffer layer provided over the emissive layer and containing an alkaline halide and a second buffer layer provided over the first buffer layer and containing phthalocyanine, and a sputtered cathode layer having an alloy containing an alkaline metal provided over the buffer structure.
摘要翻译：包括衬底，在衬底上由导电材料形成的阳极和在阳极上提供电致发光材料的发射层的OLED器件。 OLED装置还包括具有至少两层的缓冲结构，设置在发光层上并含有碱性卤化物的第一缓冲层和设置在第一缓冲层上并含有酞菁的第二缓冲层，以及具有含有提供在缓冲结构上的碱金属的合金。

7. 发明授权

US06558820B2 High contrast light-emitting diode devices 有权
标题翻译：高对比度发光二极管器件
公开(公告)号：US06558820B2
公开(公告)日：2003-05-06
申请号：US09852956
申请日：2001-05-10
申请人： Pranab K. Raychaudhuri , Joseph K. Madathil
发明人： Pranab K. Raychaudhuri , Joseph K. Madathil
IPC分类号： H05B3322
CPC分类号： H01L51/5281 , H01L51/5231 , H01L2251/558 , Y10S428/917 , Y10T428/2495 , Y10T428/26
摘要： An OLED device including a substrate, an anode formed of a conductive material over the substrate, and an emissive layer having an electroluminescent material provided over the anode. The OLED device also includes either an ultrathin cathode over the emissive layer, a thin interlayer over the ultrathin cathode and a reflecting layer over the thin interlayer, or the thin interlayer over the emissive layer and a reflecting layer containing an electron-injecting dopant over the thin interlayer.
摘要翻译：包括衬底，在衬底上由导电材料形成的阳极和在阳极上提供电致发光材料的发射层的OLED器件。 OLED器件还包括发光层上的超薄阴极，超薄阴极上的薄中间层，薄层间的反射层，发光层上的薄中间层，以及含有电子注入掺杂剂的反射层薄夹层。

8. 发明授权

US08241467B2 Making a cathode structure for OLEDs 有权
标题翻译：制作OLED的阴极结构
公开(公告)号：US08241467B2
公开(公告)日：2012-08-14
申请号：US10915224
申请日：2004-08-10
申请人： Pranab K. Raychaudhuri , Joseph K. Madathil
发明人： Pranab K. Raychaudhuri , Joseph K. Madathil
IPC分类号： C23C14/00 , C23C14/32 , C23C8/00 , B05D5/06 , B05D5/12 , B05D3/06
CPC分类号： C23C14/568 , H01L51/5231
摘要： A method of making a cathode structure for an OLED provided over organic layers includes evaporating a first layer over the organic layers, such layer including a metal or metal alloy whose work function is less that 4.0 eV, or a material including an electron-injecting dopant and a reactive metal; depositing at least one second layer of an inorganic material over the first layer to form a buffer structure with the first layer; and sputtering a protective layer of a metal or metal alloy provided over the buffer structure.
摘要翻译：制造用于在有机层上提供的OLED的阴极结构的方法包括在有机层上蒸发第一层，该层包括其功函数小于4.0eV的金属或金属合金，或包括电子注入掺杂剂的材料和活性金属; 在所述第一层上沉积至少一个第二层无机材料以形成具有所述第一层的缓冲结构; 并溅射在缓冲结构上提供的金属或金属合金的保护层。

9. 发明授权

US07157156B2 Organic light emitting device having improved stability 有权
标题翻译：具有改善的稳定性的有机发光器件
公开(公告)号：US07157156B2
公开(公告)日：2007-01-02
申请号：US10804960
申请日：2004-03-19
申请人： Pranab K. Raychaudhuri , Joseph K. Madathil , Liang-Sheng Liao
发明人： Pranab K. Raychaudhuri , Joseph K. Madathil , Liang-Sheng Liao
IPC分类号： H05B33/26 , H01L51/50
CPC分类号： H01L51/5271 , H01L51/5215 , H01L51/5218 , H01L51/5265 , H01L2251/5315 , Y10S428/917 , Y10T428/24942 , Y10T428/26
摘要： In an OLED device, the improvement including a reflective and conductive bilayer anode including a metal or metal alloy or both; a hole-injecting structure over the reflective and conductive bilayer anode; at least one organic layer formed over the hole-injecting structure; and the reflective and conductive bilayer anode being configured to improve the stability of drive voltage.
摘要翻译：在OLED器件中，改进包括包括金属或金属合金或两者的反射和导电双层阳极; 反射和导电双层阳极上的空穴注入结构; 在空穴注入结构上形成的至少一个有机层; 并且反射和导电双层阳极被配置为提高驱动电压的稳定性。

10. 发明授权

US07002293B2 Organic light emitting diode with improved light emission through the cathode 有权
标题翻译：有机发光二极管通过阴极改善发光
公开(公告)号：US07002293B2
公开(公告)日：2006-02-21
申请号：US10765607
申请日：2004-01-27
申请人： Joseph K. Madathil , Pranab K. Raychaudhuri
发明人： Joseph K. Madathil , Pranab K. Raychaudhuri
IPC分类号： H01J1/63
CPC分类号： H01L51/5088 , H01L51/5234 , H01L51/5265 , H01L2251/5315 , H01L2251/558
摘要： Top-emitting organic light-emitting diode devices include a reflective, opaque, and conductive anode layer including a metal or metal alloy or both formed over a transparent or an opaque substrate, a plurality of hole-injecting layers including a bilayer structure having a layer including an oxide and a layer including a fluorinated carbon disposed over the reflective, opaque, and conductive anode, a plurality of organic layers formed over the plurality of hole-injecting layers and including an emissive layer having electroluminescent material and a reflective, semitransparent and conductive cathode include a metal or metal alloy or both provided over the plurality of organic layers, and the plurality of the hole-injecting layers being configured to reduce the drive voltage, and the reflectivity of the anode, the transparency of the cathode, and the thickness of the organic layers between the electrodes being selected to change the internal reflection of light.
摘要翻译：顶部发射的有机发光二极管器件包括反射的，不透明的和导电的阳极层，包括金属或金属合金或两者形成在透明或不透明衬底上，多个空穴注入层包括具有层包括设置在所述反射，不透明和导电阳极上的包含氟化碳的氧化物和层，在所述多个空穴注入层上形成的多个有机层，并且包括具有电致发光材料和反射，半透明和导电的发光层阴极包括设置在多个有机层上的金属或金属合金或两者，并且多个空穴注入层被配置为降低驱动电压，阳极的反射率，阴极的透明度和厚度选择电极之间的有机层以改变光的内部反射。

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