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1.发明授权公开(公告)号：US08018152B2
公开(公告)日：2011-09-13
申请号：US11587843
申请日：2005-05-17
申请人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
发明人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
CPC分类号： H01L33/42 , H01L27/3209 , H01L51/5088 , H01L51/5092 , H01L51/5278 , H01L2924/0002 , H01L2924/00
摘要： When a light-emitting element having an intermediate conductive layer between a plurality of light-emitting layers is formed, the intermediate conductive layer can have transparency; and thus, materials are largely limited and the manufacturing process of an element becomes complicated by a conventional method. A light-emitting element according to the present invention is formed by sequentially stacking a pixel electrode, a first light-emitting layer, an intermediate conductive layer (including an electron injecting layer and a hole-injecting layer, one of which is island-like), a second light-emitting layer and an opposite electrode. Therefore, the present invention can provide a light-emitting element typified by an organic EL element in which a range of choice of materials that can be used as the intermediate conductive layer is broadened extremely, and which can realize a high light-emitting efficiency, a low power consumption and a high reliability, and further a display device using the light-emitting element.
摘要翻译： 当形成具有在多个发光层之间的中间导电层的发光元件时，中间导电层可以具有透明性; 因此材料受到很大限制，并且通过常规方法使元件的制造过程变得复杂。 根据本发明的发光元件通过顺序堆叠像素电极，第一发光层，中间导电层（包括电子注入层和空穴注入层，其中之一是岛状的 ），第二发光层和相对电极。 因此，本发明可以提供一种以有机EL元件为代表的发光元件，其中可以用作中间导电层的材料的选择范围极大，可以实现高的发光效率， 低功耗和高可靠性，以及使用该发光元件的显示装置。
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公开(公告)号：US07333077B2
公开(公告)日：2008-02-19
申请号：US10719031
申请日：2003-11-24
申请人： Jun Koyama , Yu Yamazaki , Yoshifumi Tanada , Satoshi Seo , Takeshi Nishi , Yasuo Nakamura , Shunpei Yamazaki
发明人： Jun Koyama , Yu Yamazaki , Yoshifumi Tanada , Satoshi Seo , Takeshi Nishi , Yasuo Nakamura , Shunpei Yamazaki
IPC分类号： G09G3/30
CPC分类号： H01L27/3267 , G09G3/32 , G09G2300/0443 , G09G2300/0809 , G09G2300/0842 , G09G2340/0492 , H01L2251/5323
摘要： A display device capable of displaying on both screens and switching between vertical and horizontal display, and a driving method thereof. Each pixel comprises a first region including a first light emitting element, and a second region including a second light emitting element. The first region has a bottom emission structure whereas the second region has a top emission structure. The display device comprises a source signal line driver circuit for driving the pixel, a first gate signal line driver circuit having a scan direction perpendicular to that of the source signal line driver circuit, and a second gate signal line driver circuit having a scan direction perpendicular to that of the first gate signal line driver circuit. In a normal display, the first gate signal line driver circuit performs perpendicular scanning, and when switching between vertical and horizontal display, the second gate signal line driver circuit performs perpendicular scanning.
摘要翻译： 一种能够在两个屏幕上显示并在垂直和水平显示之间切换的显示装置及其驱动方法。 每个像素包括包括第一发光元件的第一区域和包括第二发光元件的第二区域。 第一区域具有底部发射结构，而第二区域具有顶部发射结构。 显示装置包括用于驱动像素的源极信号线驱动电路，具有与源极信号线驱动电路的扫描方向垂直的扫描方向的第一栅极信号线驱动电路和具有扫描方向垂直的第二栅极信号线驱动电路 与第一栅极信号线驱动电路的电路。 在正常显示中，第一栅极信号线驱动电路执行垂直扫描，并且当在垂直和水平显示之间切换时，第二栅极信号线驱动电路执行垂直扫描。
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公开(公告)号：US07193359B2
公开(公告)日：2007-03-20
申请号：US10255449
申请日：2002-09-26
申请人： Satoshi Seo , Yasuo Nakamura
发明人： Satoshi Seo , Yasuo Nakamura
CPC分类号： H01L51/5284 , H01L27/3244 , H01L27/3248 , H01L51/5096 , H01L51/5206 , H01L51/5234 , H01L2251/5315
摘要： A measure for improving the light emission efficiency of a light emitting element without degrading characteristics of anode materials used in prior art is provided in manufacture of an upward emission type light emitting element. The present invention is characterized in that nitride or carbide of a metal element belonging to one of Group 4, 5, and 6 in the periodic table (hereinafter referred to as metal compound) is used as the material for forming an anode of a light emitting element. The metal compound has a work function equal to or larger than the work function of conventional anode materials. Therefore, injection of holes from the anode can be improved ever more. Also, with regard to conductivity, the metal compound is smaller in resistivity than ITO. It therefore can fulfil the function as a wire and can lower the drive voltage in the light emitting element compared to prior art.
摘要翻译： 在向上发射型发光元件的制造中提供了用于提高发光元件的发光效率而不降低现有技术中使用的阳极材料的特性的措施。 本发明的特征在于，使用属于周期表中第4，第5和第6族之一的金属元素的氮化物或碳化物（以下称为金属化合物）作为形成发光的阳极的材料 元件。 金属化合物具有等于或大于常规阳极材料的功函数的功函数。 因此，可以进一步提高从阳极注入空穴。 此外，关于导电性，金属化合物的电阻率比ITO小。 因此，与现有技术相比，可以实现作为导线的功能，并且可以降低发光元件中的驱动电压。
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4.发明授权公开(公告)号：US08339039B2
公开(公告)日：2012-12-25
申请号：US13229918
申请日：2011-09-12
申请人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
发明人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
IPC分类号： H01L51/50
CPC分类号： H01L33/42 , H01L27/3209 , H01L51/5088 , H01L51/5092 , H01L51/5278 , H01L2924/0002 , H01L2924/00
摘要： When a light-emitting element having an intermediate conductive layer between a plurality of light-emitting layers is formed, the intermediate conductive layer can have transparency; and thus, materials are largely limited and the manufacturing process of an element becomes complicated by a conventional method. A light-emitting element according to the present invention is formed by sequentially stacking a pixel electrode, a first light-emitting layer, an intermediate conductive layer (including an electron injecting layer and a hole-injecting layer, one of which is island-like), a second light-emitting layer and an opposite electrode. Therefore, the present invention can provide a light-emitting element typified by an organic EL element in which a range of choice of materials that can be used as the intermediate conductive layer is broadened extremely, and which can realize a high light-emitting efficiency, a low power consumption and a high reliability, and further a display device using the light-emitting element.
摘要翻译： 当形成具有在多个发光层之间的中间导电层的发光元件时，中间导电层可以具有透明性; 因此材料受到很大限制，并且通过常规方法使元件的制造过程变得复杂。 根据本发明的发光元件通过顺序堆叠像素电极，第一发光层，中间导电层（包括电子注入层和空穴注入层，其中之一是岛状的 ），第二发光层和相对电极。 因此，本发明可以提供一种以有机EL元件为代表的发光元件，其中可以用作中间导电层的材料的选择范围极大，可以实现高的发光效率， 低功耗和高可靠性，以及使用该发光元件的显示装置。
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公开(公告)号：US20120061653A1
公开(公告)日：2012-03-15
申请号：US13229918
申请日：2011-09-12
申请人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
发明人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
IPC分类号： H01L51/50
CPC分类号： H01L33/42 , H01L27/3209 , H01L51/5088 , H01L51/5092 , H01L51/5278 , H01L2924/0002 , H01L2924/00
摘要： When a light-emitting element having an intermediate conductive layer between a plurality of light-emitting layers is formed, the intermediate conductive layer can have transparency; and thus, materials are largely limited and the manufacturing process of an element becomes complicated by a conventional method. A light-emitting element according to the present invention is formed by sequentially stacking a pixel electrode, a first light-emitting layer, an intermediate conductive layer (including an electron injecting layer and a hole-injecting layer, one of which is island-like), a second light-emitting layer and an opposite electrode. Therefore, the present invention can provide a light-emitting element typified by an organic EL element in which a range of choice of materials that can be used as the intermediate conductive layer is broadened extremely, and which can realize a high light-emitting efficiency, a low power consumption and a high reliability, and further a display device using the light-emitting element.
摘要翻译： 当形成具有在多个发光层之间的中间导电层的发光元件时，中间导电层可以具有透明性; 因此材料受到很大限制，并且通过常规方法使元件的制造过程变得复杂。 根据本发明的发光元件通过顺序堆叠像素电极，第一发光层，中间导电层（包括电子注入层和空穴注入层，其中之一是岛状的 ），第二发光层和相对电极。 因此，本发明可以提供一种以有机EL元件为代表的发光元件，其中可以用作中间导电层的材料的选择范围极大，可以实现高的发光效率， 低功耗和高可靠性，以及使用该发光元件的显示装置。
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公开(公告)号：US08866171B2
公开(公告)日：2014-10-21
申请号：US13412851
申请日：2012-03-06
申请人： Yasuo Nakamura , Satoshi Seo , Masaaki Hiroki
发明人： Yasuo Nakamura , Satoshi Seo , Masaaki Hiroki
IPC分类号： H01L33/00 , H01L23/52 , H01L21/00 , H01L21/82 , H01L21/84 , H01L21/44 , H01L51/52 , H01L27/32
CPC分类号： H01L27/3225 , H01L27/3244 , H01L27/3281 , H01L51/5221 , H01L51/529 , H01L2251/5361 , H01L2251/568
摘要： To provide a light-emitting element or a light-emitting device in which power is not consumed wastefully even if a short-circuit failure occurs. The present invention focuses on heat generated due to a short-circuit failure which occurs in a light-emitting element. A fusible alloy which is melted at temperature T2 by heat generated due to the short-circuit failure when the short-circuit failure occurs is used for at least one of a pair of electrodes in a light-emitting element, and a layer containing an organic composition which is melted at temperature T1 is formed on a surface of the electrode opposite to a surface facing the other electrode. The present inventors have reached a structure in which the temperature T2 is lower than temperature T3 at which the light-emitting element is damaged and the temperature T1 is lower than the temperature T2, and this structure can achieve the objects.
摘要翻译： 为了提供即使发生短路故障也不浪费电力的发光元件或发光装置。 本发明着重于由发生在发光元件中的短路故障而产生的热量。 在发生短路故障时由于短路故障而产生的热量在温度T2下熔化的可熔合金被用于发光元件中的一对电极中的至少一个，以及含有有机物的层 在与面对另一个电极的表面相反的电极的表面上形成在温度T1熔化的组合物。 本发明人已经达到了温度T2低于发光元件损坏的温度T3并且温度T1低于温度T2的结构，并且该结构可以实现目的。
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公开(公告)号：US20070222379A1
公开(公告)日：2007-09-27
申请号：US11587843
申请日：2005-05-17
申请人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
发明人： Shunpei Yamazaki , Ryoji Nomura , Satoshi Seo , Hiroko Abe , Yasuo Nakamura
IPC分类号： H05B33/22
CPC分类号： H01L33/42 , H01L27/3209 , H01L51/5088 , H01L51/5092 , H01L51/5278 , H01L2924/0002 , H01L2924/00
摘要： When a light-emitting element having an intermediate conductive layer between a plurality of light-emitting layers is formed, the intermediate conductive layer can have transparency; and thus, materials are largely limited and the manufacturing process of an element becomes complicated by a conventional method. A light-emitting element according to the present invention is formed by sequentially stacking a pixel electrode, a first light-emitting layer, an intermediate conductive layer (including an electron injecting layer and a hole-injecting layer, one of which is island-like), a second light-emitting layer and an opposite electrode. Therefore, the present invention can provide a light-emitting element typified by an organic EL element in which arange of choice of materials that can be used as the intermediate conductive layer is broadened extremely, and which can realize a high light-emitting efficiency, a low power consumption and a high reliability, and further a display device using the light-emitting element.
摘要翻译： 当形成具有在多个发光层之间的中间导电层的发光元件时，中间导电层可以具有透明性; 因此材料受到很大限制，并且通过常规方法使元件的制造过程变得复杂。 根据本发明的发光元件通过顺序堆叠像素电极，第一发光层，中间导电层（包括电子注入层和空穴注入层，其中之一是岛状的 ），第二发光层和相对电极。 因此，本发明可以提供一种以有机EL元件为代表的发光元件，其中可以用作中间导电层的材料的选择范围极大，可以实现高的发光效率， 低功耗，高可靠性，以及使用该发光元件的显示装置。
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公开(公告)号：US07108574B2
公开(公告)日：2006-09-19
申请号：US11038599
申请日：2005-01-18
申请人： Satoshi Seo , Yasuo Nakamura
发明人： Satoshi Seo , Yasuo Nakamura
CPC分类号： H01L51/5284 , H01L27/3244 , H01L27/3248 , H01L51/5096 , H01L51/5206 , H01L51/5234 , H01L2251/5315
摘要： A measure for improving the light emission efficiency of a light emitting element without degrading characteristics of anode materials used in prior art is provided in manufacture of an upward emission type light emitting element. The present invention is characterized in that nitride or carbide of a metal element belonging to one of Group 4, 5, and 6 in the periodic table (hereinafter referred to as metal compound) is used as the material for forming an anode of a light emitting element. The metal compound has a work function equal to or larger than the work function of conventional anode materials. Therefore, injection of holes from the anode can be improved ever more. Also, with regard to conductivity, the metal compound is smaller in resistivity than ITO. It therefore can fulfil the function as a wire and can lower the drive voltage in the light emitting element compared to prior art.
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公开(公告)号：US07097916B2
公开(公告)日：2006-08-29
申请号：US10122134
申请日：2002-04-15
申请人： Satoshi Seo , Atsushi Tokuda , Yasuo Nakamura
发明人： Satoshi Seo , Atsushi Tokuda , Yasuo Nakamura
IPC分类号： H05B33/14
CPC分类号： H01L51/5016 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1025 , C09K2211/183 , H01L51/0077 , Y10S428/917
摘要： A chelate complex having as its central metal tungsten which is an inexpensive metal and which is a heavy atom is applied to an organic light emitting element, thereby obtaining an organic light emitting element capable of converting the triplet excitation energy into light emission. By applying the organic light emitting element using this metal complex, an inexpensive light emitting device which is bright but consumes little power can be provided as well as an electric appliance using the light emitting device.
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公开(公告)号：US20050136784A1
公开(公告)日：2005-06-23
申请号：US11038599
申请日：2005-01-18
申请人： Satoshi Seo , Yasuo Nakamura
发明人： Satoshi Seo , Yasuo Nakamura
CPC分类号： H01L51/5284 , H01L27/3244 , H01L27/3248 , H01L51/5096 , H01L51/5206 , H01L51/5234 , H01L2251/5315
摘要： A measure for improving the light emission efficiency of a light emitting element without degrading characteristics of anode materials used in prior art is provided in manufacture of an upward emission type light emitting element. The present invention is characterized in that nitride or carbide of a metal element belonging to one of Group 4, 5, and 6 in the periodic table (hereinafter referred to as metal compound) is used as the material for forming an anode of a light emitting element. The metal compound has a work function equal to or larger than the work function of conventional anode materials. Therefore, injection of holes from the anode can be improved ever more. Also, with regard to conductivity, the metal compound is smaller in resistivity than ITO. It therefore can fulfil the function as a wire and can lower the drive voltage in the light emitting element compared to prior art.
摘要翻译： 在向上发射型发光元件的制造中提供了用于提高发光元件的发光效率而不降低现有技术中使用的阳极材料的特性的措施。 本发明的特征在于，使用属于周期表中第4，第5和第6族之一的金属元素的氮化物或碳化物（以下称为金属化合物）作为形成发光的阳极的材料 元件。 金属化合物具有等于或大于常规阳极材料的功函数的功函数。 因此，可以进一步提高从阳极注入空穴。 此外，关于导电性，金属化合物的电阻率比ITO小。 因此，与现有技术相比，可以实现作为导线的功能，并且可以降低发光元件中的驱动电压。
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