公开(公告)号：US20070182318A1

公开(公告)日：2007-08-09

申请号：US10593193

申请日：2005-05-17

申请人： Daisuke Kumaki ,  Hisao Ikeda ,  Hiroko Abe ,  Satoshi Seo

发明人： Daisuke Kumaki ,  Hisao Ikeda ,  Hiroko Abe ,  Satoshi Seo

IPC分类号： H01L51/52

CPC分类号： H01L51/5237 ,  H01L27/3209 ,  H01L27/3241 ,  H01L27/3244 ,  H01L51/5048 ,  H01L51/506 ,  H01L51/5076 ,  H01L51/5278 ,  Y10S428/917 ,  Y10T428/24942

摘要： A light emitting element of the invention includes n pieces of light emitting layers (n is a natural number) between first and second electrodes. A first layer and a second layer are provided between the mth light emitting layer (m is a natural number of 1≦m≦n) and the m+1th light emitting layer. The first and second layers are contacted to each other. The first layer contains a substance that transports holes easily and a substance with an electron accepting property. The second layer contains a substance that transports electrons easily and a substance with an electron donating property. Molybdenum oxide is used as the substance with the electron accepting property.

摘要翻译： 本发明的发光元件在第一和第二电极之间包括n个发光层（n是自然数）。 在第m层发光层之间设置第一层和第二层（m为1 <= m <= N的自然数）和第M + 1层 >发光层。 第一层和第二层彼此接触。 第一层含有容易传输孔的物质和具有电子接受性的物质。 第二层含有易于输送电子的物质和具有给电子性质的物质。 使用氧化钼作为具有电子接受性的物质。

公开(公告)号：US09224968B2

公开(公告)日：2015-12-29

申请号：US13552899

申请日：2012-07-19

申请人： Yuji Iwaki ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takaaki Nagata ,  Takahiro Kawakami ,  Satoshi Seo ,  Ryoji Nomura

发明人： Yuji Iwaki ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takaaki Nagata ,  Takahiro Kawakami ,  Satoshi Seo ,  Ryoji Nomura

IPC分类号： H01L51/50 ,  H01L51/00

CPC分类号： H01L51/5048 ,  H01L51/0059 ,  H01L51/0062 ,  H01L51/0072 ,  H01L51/0081

摘要： An object of the present invention is to provide a light-emitting element with high luminous efficiency, and a light-emitting element of low-voltage driving. Another object is to provide a light-emitting device with low power consumption by using the light-emitting element. Another object is to provide an electronic appliance with low power consumption by using the light-emitting device in a display portion. A light-emitting element includes, between a pair of electrodes, a layer containing a composite material of a first organic compound and an inorganic compound and a layer containing a second organic compound being in contact with the layer containing the composite material, wherein the second organic compound does not have a peak of an absorption spectrum in a wavelength region of 450 to 800 nm if the second organic compound is compounded with the inorganic compound.

摘要翻译： 本发明的目的是提供一种发光效率高的发光元件和低电压驱动用发光元件。 另一个目的是通过使用发光元件来提供具有低功耗的发光装置。 另一个目的是通过在显示部分中使用发光装置来提供具有低功耗的电子设备。 发光元件在一对电极之间包括含有第一有机化合物和无机化合物的复合材料的层和包含与含有复合材料的层接触的第二有机化合物的层，其中第二 如果第二有机化合物与无机化合物混合，有机化合物在450-800nm的波长区域中不具有吸收光谱的峰值。

公开(公告)号：US08252434B2

公开(公告)日：2012-08-28

申请号：US13185867

申请日：2011-07-19

申请人： Yuji Iwaki ,  Satoshi Seo ,  Takahiro Kawakami ,  Hisao Ikeda ,  Junichiro Sakata ,  Tomoya Aoyama

发明人： Yuji Iwaki ,  Satoshi Seo ,  Takahiro Kawakami ,  Hisao Ikeda ,  Junichiro Sakata ,  Tomoya Aoyama

IPC分类号： H05B33/12

CPC分类号： H01L51/0052 ,  H01L51/0071 ,  H01L51/0081 ,  H01L51/5052 ,  H01L51/5088 ,  H05B33/22 ,  Y10S428/917

摘要： A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 μm of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.

摘要翻译： 发光器件包括一对电极和设置在该对电极之间的混合层。 混合层含有不含氮原子的有机化合物即不具有芳胺骨架的有机化合物和金属氧化物。 作为有机化合物，优选使用具有蒽骨架的芳香族烃。 作为这样的芳烃，列举了t-BuDNA，DPAnth，DPPA，DNA，DMNA，t-BuDBA等。 作为金属氧化物，优选使用氧化钼，氧化钒，氧化钌，氧化铼等。 此外，当测量吸收光谱时，混合层优选显示每1μm的吸光度为1或更小，或者在450至650nm的光谱中不显示不同的吸收峰。

公开(公告)号：US20090230847A1

公开(公告)日：2009-09-17

申请号：US11989324

申请日：2006-07-19

申请人： Yuji Iwaki ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takaaki Nagata ,  Takahiro Kawakami ,  Satoshi Seo ,  Ryoji Nomura

发明人： Yuji Iwaki ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takaaki Nagata ,  Takahiro Kawakami ,  Satoshi Seo ,  Ryoji Nomura

IPC分类号： H01J1/62

CPC分类号： H01L51/5048 ,  H01L51/0059 ,  H01L51/0062 ,  H01L51/0072 ,  H01L51/0081

摘要： An object of the present invention is to provide a light-emitting element with high luminous efficiency, and a light-emitting element of low-voltage driving. Another object of the present invention is to provide a light-emitting device with low power consumption by using the light-emitting element. Another object of the present invention is to provide an electronic appliance with low power consumption by using the light-emitting device in a display portion. A light-emitting element includes, between a pair of electrodes, a layer containing a composite material of a first organic compound and an inorganic compound and a layer containing a second organic compound being in contact with the layer containing the composite material, wherein the second organic compound does not have a peak of an absorption spectrum in a wavelength region of 450 to 800 nm if the second organic compound is compounded with the inorganic compound.

摘要翻译： 本发明的目的是提供一种发光效率高的发光元件和低电压驱动用发光元件。 本发明的另一个目的是通过使用发光元件来提供具有低功耗的发光装置。 本发明的另一个目的是通过在显示部分中使用发光装置来提供具有低功耗的电子设备。 发光元件在一对电极之间包括含有第一有机化合物和无机化合物的复合材料的层和包含与含有复合材料的层接触的第二有机化合物的层，其中第二 如果第二有机化合物与无机化合物混合，有机化合物在450-800nm的波长区域中不具有吸收光谱的峰值。

公开(公告)号：US20060292394A1

公开(公告)日：2006-12-28

申请号：US11452979

申请日：2006-06-15

申请人： Yuji Iwaki ,  Satoshi Seo ,  Takahiro Kawakami ,  Hisao Ikeda ,  Junichiro Sakata ,  Tomoya Aoyama

发明人： Yuji Iwaki ,  Satoshi Seo ,  Takahiro Kawakami ,  Hisao Ikeda ,  Junichiro Sakata ,  Tomoya Aoyama

IPC分类号： H01L51/54 ,  H05B33/12

CPC分类号： H01L51/0052 ,  H01L51/0071 ,  H01L51/0081 ,  H01L51/5052 ,  H01L51/5088 ,  H05B33/22 ,  Y10S428/917

摘要： A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 μm of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.

公开(公告)号：US08445121B2

公开(公告)日：2013-05-21

申请号：US13517869

申请日：2012-06-14

申请人： Takahiro Kawakami ,  Tomoya Aoyama ,  Junichiro Sakata ,  Hisao Ikeda ,  Satoshi Seo ,  Yuji Iwaki

发明人： Takahiro Kawakami ,  Tomoya Aoyama ,  Junichiro Sakata ,  Hisao Ikeda ,  Satoshi Seo ,  Yuji Iwaki

IPC分类号： H05B33/12

CPC分类号： H01L51/5088 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0081 ,  H01L51/5092

摘要： One feature of the present invention is to provide a buffer layer made of a composite material for a light emitting element including aromatic hydrocarbon containing at least one vinyl skeleton and metal oxide in part of a light emitting substance containing layer, in the light emitting element formed by interposing the light emitting substance containing layer between a pair of electrodes. The composite material for a light emitting element for forming the buffer layer of the present invention has high conductivity and is superior in transparency.

摘要翻译： 本发明的一个特征是提供一种由发光元件的复合材料制成的缓冲层，该发光元件包括含有至少一种乙烯基骨架的芳族烃和部分含有发光物质的层中的金属氧化物，在形成的发光元件中 通过将发光物质含有层插入在一对电极之间。 本发明的缓冲层形成用发光元件用复合材料的导电性高，透明性优异。

公开(公告)号：US08227097B2

公开(公告)日：2012-07-24

申请号：US13281539

申请日：2011-10-26

申请人： Takahiro Kawakami ,  Tomoya Aoyama ,  Junichiro Sakata ,  Hisao Ikeda ,  Satoshi Seo ,  Yuji Iwaki

发明人： Takahiro Kawakami ,  Tomoya Aoyama ,  Junichiro Sakata ,  Hisao Ikeda ,  Satoshi Seo ,  Yuji Iwaki

IPC分类号： H05B33/12

CPC分类号： H01L51/5088 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0081 ,  H01L51/5092

摘要： One feature of the present invention is to provide a buffer layer made of a composite material for a light emitting element including aromatic hydrocarbon containing at least one vinyl skeleton and metal oxide in part of a light emitting substance containing layer, in the light emitting element formed by interposing the light emitting substance containing layer between a pair of electrodes. The composite material for a light emitting element for forming the buffer layer of the present invention has high conductivity and is superior in transparency.

摘要翻译： 本发明的一个特征是提供一种由发光元件的复合材料制成的缓冲层，该发光元件包括含有至少一种乙烯基骨架的芳族烃和部分含有发光物质的层中的金属氧化物，在形成的发光元件中 通过将发光物质含有层插入在一对电极之间。 本发明的缓冲层形成用发光元件用复合材料的导电性高，透明性优异。

公开(公告)号：US08125144B2

公开(公告)日：2012-02-28

申请号：US11909051

申请日：2006-04-10

申请人： Hisao Ikeda ,  Junichiro Sakata ,  Satoshi Seo ,  Yuji Iwaki

发明人： Hisao Ikeda ,  Junichiro Sakata ,  Satoshi Seo ,  Yuji Iwaki

IPC分类号： H01J1/62 ,  H01J63/04

CPC分类号： C23C14/505 ,  C23C14/044 ,  C23C14/24 ,  C23C14/548 ,  H01L51/001 ,  H01L51/006 ,  H01L51/5052 ,  H01L51/5088 ,  H01L2251/5315 ,  H01L2251/5323 ,  H05B33/10 ,  H05B33/22

摘要： To provide a light-emitting element and a light-emitting device which can be designed and manufactured with redundancy. A light-emitting element of the invention includes a pair of electrode, and a layer containing a light-emissive substance between the pair of electrodes. The layer containing a light-emissive substance includes a layer containing a composite material, and the layer containing a composite material includes an organic compound and an inorganic compound. The concentration ratio of the organic compound to the inorganic compound changes periodically. The layer containing a composite maternal can be changed in electrical characteristics without changing the composition ratio of the organic compound to the inorganic compound in the layer or changing the kind of compounds used for the layer.

摘要翻译： 提供可以冗余设计和制造的发光元件和发光器件。 本发明的发光元件包括一对电极和在该对电极之间含有发光物质的层。 包含发光物质的层包括含有复合材料的层，并且包含复合材料的层包括有机化合物和无机化合物。 有机化合物与无机化合物的浓度比周期性变化。 含有复合母体的层可以改变电特性，而不改变层中的有机化合物与无机化合物的组成比，或改变用于该层的化合物的种类。

公开(公告)号：US08048543B2

公开(公告)日：2011-11-01

申请号：US13010050

申请日：2011-01-20

申请人： Takahiro Kawakami ,  Tomoya Aoyama ,  Junichiro Sakata ,  Hisao Ikeda ,  Satoshi Seo ,  Yuji Iwaki

发明人： Takahiro Kawakami ,  Tomoya Aoyama ,  Junichiro Sakata ,  Hisao Ikeda ,  Satoshi Seo ,  Yuji Iwaki

IPC分类号： H05B33/12

CPC分类号： H01L51/5088 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0081 ,  H01L51/5092

摘要： It is an object of the present invention to provide a functional layer for protecting a light emitting element from being deteriorated by a physical or chemical influence when the light emitting element is manufactured or driven, and to attain extension of lifetime of an element and improvement of element characteristics without increasing a drive voltage and degrading transmittance and color purity by providing such a functional layer. One feature of the present invention is to provide a buffer layer made of a composite material for a light emitting element including aromatic hydrocarbon containing at least one vinyl skeleton and metal oxide in part of a light emitting substance containing layer, in the light emitting element formed by interposing the light emitting substance containing layer between a pair of electrodes. The composite material for a light emitting element for forming the buffer layer of the present invention has high conductivity and is superior in transparency.

摘要翻译： 本发明的目的是提供一种功能层，用于在制造或驱动发光元件时保护发光元件免受物理或化学影响而劣化，并且使元件的使用寿命延长 元件特性，而不增加驱动电压并通过提供这样的功能层降低透射率和色纯度。 本发明的一个特征是提供一种由发光元件的复合材料制成的缓冲层，该发光元件包括含有至少一种乙烯基骨架的芳族烃和部分含有发光物质的层中的金属氧化物，在形成的发光元件中 通过将发光物质含有层插入在一对电极之间。 本发明的缓冲层形成用发光元件用复合材料的导电性高，透明性优异。

公开(公告)号：US20060284189A1

公开(公告)日：2006-12-21

申请号：US11448124

申请日：2006-06-07

申请人： Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takahiro Kawakami ,  Yuji Iwaki ,  Satoshi Seo

发明人： Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takahiro Kawakami ,  Yuji Iwaki ,  Satoshi Seo

IPC分类号： H01L33/00

CPC分类号： H01L33/42 ,  H01L51/5088 ,  H01L51/5262 ,  H01L2251/558

摘要： The present invention provides a light-emitting element, a light-emitting device and an electronic device in which an optical path length through which generated light goes can be changed easily. The present invention provides a light-emitting element including a light-emitting layer between a first electrode and a second electrode, and a mixed layer in contact with the first electrode; in which the light-emitting layer includes a light-emitting substance; the mixed layer includes a hole transporting substance and a metal oxide showing an electron accepting property to the hole transporting substance, and has a thickness of 120 to 180 nm, and when a voltage is applied between the first electrode and the second electrode such that a potential of the first electrode is higher than that of the second electrode, the light-emitting substance emits light.

摘要翻译： 本发明提供一种发光元件，发光器件和电子器件，其中可以容易地改变发光产生的光路长度。 本发明提供一种发光元件，其包括在第一电极和第二电极之间的发光层和与第一电极接触的混合层; 其中所述发光层包括发光物质; 混合层包括空穴传输物质和表现出对空穴传输物质具有电子接受性的金属氧化物，并且具有120至180nm的厚度，并且当在第一电极和第二电极之间施加电压使得 第一电极的电位高于第二电极的电位，发光物质发光。