公开(公告)号：US08334057B2

公开(公告)日：2012-12-18

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： H01L51/54

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。

公开(公告)号：US08227982B2

公开(公告)日：2012-07-24

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 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：US08017252B2

公开(公告)日：2011-09-13

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： 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：US07790296B2

公开(公告)日：2010-09-07

申请号：US11435996

申请日：2006-05-18

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：US07626198B2

公开(公告)日：2009-12-01

申请号：US11371520

申请日：2006-03-09

申请人： Yoshiharu Hirakata ,  Junichiro Sakata ,  Hisao Ikeda ,  Yuji Iwaki ,  Takahiro Kawakami

发明人： Yoshiharu Hirakata ,  Junichiro Sakata ,  Hisao Ikeda ,  Yuji Iwaki ,  Takahiro Kawakami

IPC分类号： H01L51/10

CPC分类号： G02F1/1362 ,  H01L45/00 ,  H01L51/0054 ,  H01L51/006

摘要： The purpose of the present invention is to provide a nonlinear element with high productivity, which can be driven at low voltage, an element substrate including the nonlinear element, and a liquid crystal display device including the element substrate. A structure of the nonlinear element of the present invention includes a layer formed using a composite material containing an inorganic compound and an organic compound between a first electrode and a second electrode. Further, as the composite material containing the inorganic compound and the organic compound, a composite material, which exhibits nonlinear behavior in both cases of applying forward bias voltage and reverse bias voltage, is used.

摘要翻译： 本发明的目的是提供一种可以在低电压下驱动的具有高生产率的非线性元件，包括该非线性元件的元件基板以及包括元件基板的液晶显示装置。 本发明的非线性元件的结构包括使用在第一电极和第二电极之间含有无机化合物和有机化合物的复合材料形成的层。 此外，作为含有无机化合物和有机化合物的复合材料，使用在提供正偏压和反偏压两者的情况下表现出非线性特性的复合材料。

公开(公告)号：US20070085106A1

公开(公告)日：2007-04-19

申请号：US11580410

申请日：2006-10-13

申请人： Takahiro Kawakami ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama

发明人： Takahiro Kawakami ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama

IPC分类号： H01L33/00

CPC分类号： H01L51/5048 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5092 ,  H01L2251/308

摘要： To provide a light emitting element driven at a low voltage, and a light emitting element and an electronic apparatus with low power consumption. The invention provides a light emitting element in which a light emitting layer containing a light emitting substance and a layer containing bathophenanthroline are provided between a first electrode and a second electrode. The light emitting substance emits light when a voltage is applied so that the potential of the first electrode is higher than that of the second electrode. An alkali metal or an alkaline earth metal is not doped in the layer containing bathophenanthroline

摘要翻译： 提供以低电压驱动的发光元件，以及具有低功耗的发光元件和电子设备。 本发明提供了一种发光元件，其中在第一电极和第二电极之间设置有含有发光物质的发光层和含有菲菲罗啉的层。 当施加电压时，发光物质发光，使得第一电极的电位高于第二电极的电位。 碱金属或碱土金属不掺杂在含有邻菲咯啉的层中

公开(公告)号：US07999460B2

公开(公告)日：2011-08-16

申请号：US12424262

申请日：2009-04-15

申请人： Junichiro Sakata ,  Hisao Ikeda ,  Takahiro Kawakami

发明人： Junichiro Sakata ,  Hisao Ikeda ,  Takahiro Kawakami

IPC分类号： H05B33/00

CPC分类号： H01L27/3218 ,  B82Y20/00 ,  B82Y30/00 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1044 ,  C09K2211/185 ,  C09K2211/188 ,  H01L27/3211 ,  H01L27/3213 ,  H01L27/3295 ,  H01L51/5012 ,  H01L51/5088 ,  H01L51/5092 ,  H01L2227/32 ,  H01L2251/5323 ,  H01L2251/5369 ,  H01L2251/564 ,  Y10S428/917

摘要： An EL element having a novel structure is provided, which is suitable for AC drive. A light-emitting element of the invention is provided with material layers (material layers each having approximately symmetric I-V characteristics with respect to the zero point in a graph having the abscissa axis showing current values and the ordinate axis showing voltage values) between a first electrode and a layer including an organic compound and between the layer including the organic compound and a second electrode respectively. Specifically, each of the material layers is a composite layer including a metal oxide and an organic compound.

摘要翻译： 提供具有新颖结构的EL元件，其适用于交流驱动。 本发明的发光元件设置有第一电极（第一电极和第二电极）之间的材料层（相对于图中的零点具有近似对称的IV特性的材料层，横坐标轴表示电流值，纵轴表示电压值） 以及包含有机化合物的层和分别包含有机化合物的层和第二电极之间的层。 具体地，每个材料层是包含金属氧化物和有机化合物的复合层。

公开(公告)号：US07883788B2

公开(公告)日：2011-02-08

申请号：US12859811

申请日：2010-08-20

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 fowled 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构成的缓冲层，所述缓冲层包含发光元件的一部分中包含至少一个乙烯基骨架的芳族烃和部分发光物质含有层中的金属氧化物， 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：US20090026922A1

公开(公告)日：2009-01-29

申请号：US11918569

申请日：2006-04-17

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

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

IPC分类号： H01J63/04

CPC分类号： H01L51/5048

摘要： One aspect of the present invention is a light emitting element having a layer including an aromatic hydrocarbon and a metal oxide between a pair of electrodes. The kind of aromatic hydrocarbon is not particularly limited; however, an aromatic hydrocarbon having hole mobility of 1×10−6 cm2/Vs or more is preferable. As such aromatic hydrocarbon, for example, 2-tert-butyl-9,10-di(2-naphthyl)anthracene, anthracene, 9,10-diphenylanthracene, tetracene, rubrene, perylene, 2,5,8,11-tetra(tert-butyl)perylene, and the like are given. As the metal oxide, a metal which shows an electron-accepting property to the aromatic hydrocarbon is preferable. As such metal oxide, for example, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are given.

摘要翻译： 本发明的一个方面是具有在一对电极之间具有芳香族烃和金属氧化物的层的发光元件。 芳烃的种类没有特别限定， 然而，优选空穴迁移率为1×10 -6 cm 2 / Vs以上的芳香族烃。 作为这样的芳烃，例如，2-叔丁基-9,10-二（2-萘基）蒽，蒽，9,10-二苯基蒽，并四苯，红荧烯，苝，2,5,8,11-四 叔丁基）苝等。 作为金属氧化物，优选对芳族烃表现出电子接受性的金属。 作为这样的金属氧化物，例如可以举出氧化钼，氧化钒，氧化钌，氧化铼等。

公开(公告)号：US20060180812A1

公开(公告)日：2006-08-17

申请号：US11351713

申请日：2006-02-10

申请人： Junichiro Sakata ,  Takahiro Kawakami ,  Hisao Ikeda

发明人： Junichiro Sakata ,  Takahiro Kawakami ,  Hisao Ikeda

IPC分类号： H01L29/08

CPC分类号： H01L51/006 ,  H01L27/3244 ,  H01L51/0059 ,  H01L51/5012 ,  H01L2251/5315 ,  H01L2251/5323

摘要： The present invention provides a light emitting element whose driving voltage is low, and a light emitting element having longer lifetime. Moreover, the invention provides a light emitting element with high manufacturing yield. A light emitting element has a layer containing an organic material and an inorganic material, wherein activation energy of electrical conductivity of the layer containing the organic material and the inorganic material, is 0.01 eV or more and less than 0.30 eV. Preferably, the activation energy of electrical conductivity of the layer containing the organic material and the inorganic material, is 0.01 eV or more and less than 0.26 eV. More preferably, the activation energy of the electrical conductivity of the layer containing the organic material and the inorganic material, is 0.01 eV or more and less than 0.20 eV.

摘要翻译： 本发明提供驱动电压低的发光元件和寿命更长的发光元件。 另外，本发明提供了制造成品率高的发光元件。 发光元件具有包含有机材料和无机材料的层，其中含有有机材料和无机材料的层的电导率的活化能为0.01eV以上且小于0.30eV。 优选地，含有有机材料和无机材料的层的电导率的活化能为0.01eV以上且小于0.26eV。 更优选地，含有有机材料和无机材料的层的电导率的活化能为0.01eV以上且小于0.20eV。