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1. 发明专利

JP2009108096A Tertiary amine compound, material for organic el element, and organic el element 有权
标题翻译：有机胺化合物，有机EL元素材料和有机EL元素
公开(公告)号：JP2009108096A
公开(公告)日：2009-05-21
申请号：JP2008323730
申请日：2008-12-19
申请人： Denso Corp , Hodogaya Chem Co Ltd , 保土谷化学工業株式会社 , 株式会社デンソー
发明人： KATO TETSUYA , KOJIMA KAZUE , KAJIOKA TAKANORI , ISHII MASAHIKO
IPC分类号： C07C211/54 , C09K11/06 , H01L51/50
摘要： PROBLEM TO BE SOLVED: To obtain both improvement in luminance life span and heat-resistant of 100°C or higher in an organic electroluminescent (EL) element which comprises pinching a light-emitting layer between a pair of electrodes, the light-emitting layer comprising a mixture of a hole-transporting material, an electron-transporting material, and a light-emitting additive material. SOLUTION: The organic electroluminescent element comprises pinching a light-emitting layer 50 between a pair of electrodes 20, 80, the light-emitting layer 50 comprising a mixture of a hole-transporting material comprising a tertiary amine compound, an electron-transporting material, and a light-emitting additive material, wherein the tertiary amine compound has two or more oxidation potentials determined by a cyclic voltammetry method, a potential difference between the first oxidation potential and the second oxidation potential in the oxidation potentials is at least 0.22 V, and a glass transition temperature is at least 100°C, and wherein the electron-transporting material has a glass transition temperature of at least 100°C. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在包括在一对电极之间夹持发光层的有机电致发光（EL）元件中获得100℃以上的亮度寿命和耐热性的改善，光发射层包括空穴传输材料，电子传输材料和发光添加剂材料的混合物。解决方案：有机电致发光元件包括在一对电极20,80之间夹持发光层50，发光层50包括包含叔胺化合物的空穴传输材料的混合物，以及发光添加剂材料，其中所述叔胺化合物具有通过循环伏安法测定的两个以上的氧化电位，所述氧化电位中的所述第一氧化电位与所述第二氧化电位之间的电位差为至少0.22 V，玻璃化转变温度为100℃以上，电子传输材料的玻璃化转变温度为100℃以上。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008219033A Organic el element 审中-公开
标题翻译：有机EL元素
公开(公告)号：JP2008219033A
公开(公告)日：2008-09-18
申请号：JP2008104687
申请日：2008-04-14
申请人： Denso Corp , 株式会社デンソー
发明人： KOJIMA KAZUE , SUZUKI HARUMI
IPC分类号： H01L51/50 , H05B33/26 , H05B33/28
摘要： PROBLEM TO BE SOLVED: To realize a cathode which functions as a transparent and effective electron injecting electrode, in an organic EL element.
SOLUTION: In an organic EL element which is formed by laminating an anode 20, a positive hole transport layer 40, a light emitting layer 50, an electron transport layer 60, and a cathode 70 one after another, the cathode 70 is a transparent film which is formed by laminating a first electron injecting layer 71 made of lithium oxides, a buffer layer 72 made of porphyrin compounds, a second electron injecting layer 73 made of lithium oxides, and a transparent conductive film layer 74 made of ITO, IZO or ZnO, one after another from the electron transport layer 60 side.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在有机EL元件中实现用作透明有效的电子注入电极的阴极。解决方案：在依次层叠阳极20，正空穴传输层40，发光层50，电子传输层60和阴极70而形成的有机EL元件中，阴极70为通过层叠由氧化锂制成的第一电子注入层71，由卟啉化合物制成的缓冲层72，由氧化锂制成的第二电子注入层73和由ITO制成的透明导电膜层74形成的透明膜， IZO或ZnO，从电子传输层60一个接一个地。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007264200A Organic el display device and method of driving same 审中-公开
标题翻译：有机EL显示装置及其驱动方法
公开(公告)号：JP2007264200A
公开(公告)日：2007-10-11
申请号：JP2006087697
申请日：2006-03-28
申请人： Denso Corp , 株式会社デンソー
发明人： KOJIMA KAZUE , KINOSHITA HIROYUKI , SUZUKI HARUMI , HANAKI TAKASHI , TOYODA AKITO
IPC分类号： G09G3/30 , G09G3/20 , H01L51/50
摘要： PROBLEM TO BE SOLVED: To reduce an instantaneous luminance of light emission while maintaining an average luminance of light emission, to reduce the degradation of luminance of an organic EL. SOLUTION: An organic EL display device includes; an image determination part 43 which has a means (130) for determining places of scan lines of same data out of M scan lines crossing signal lines in an organic EL panel 30, per frame with respect to a one-frame portion of image data and outputs the places of scan lines acquired by this means; and a driving data generation part 44 which reduces a duty number of driving of respective scan lines from M to M' on the basis of information of scan lines input from the image determination part 43, to relatively extend a scan period and varies a current value of a current signal given to signal lines when simultaneously scanning m scan lines. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了降低发光的瞬时亮度，同时保持发光的平均亮度，以减少有机EL的亮度劣化。有机EL显示装置包括：图像确定部43，其具有用于相对于图像数据的一帧部分，每帧相对于在有机EL面板30中与信号线交叉的M条扫描线中确定相同数据的扫描线的位置的装置（130）输出通过这种方式获取的扫描线的位置; 以及驱动数据生成部44，其根据从图像判定部43输入的扫描线的信息，将各扫描线的占空比数从M减少到M'，以相对地延长扫描周期并改变当前值当同时扫描m条扫描线时，给予信号线的电流信号。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2004311231A Organic el element 审中-公开
公开(公告)号：JP2004311231A
公开(公告)日：2004-11-04
申请号：JP2003103861
申请日：2003-04-08
申请人： Denso Corp , 株式会社デンソー
发明人： KOJIMA KAZUE , KATO TETSUYA , IDOGAKI KOJI
IPC分类号： H05B33/12 , H01L51/50 , H05B33/14
摘要： PROBLEM TO BE SOLVED: To prevent variation of chromaticity caused by a drive time or voltage variation as much as possible, in an organic EL element composed so as to execute color-mixing light emission from a plurality of luminescent layers having peak wavelengths different from one another.
SOLUTION: This organic EL element is provided with: a positive electrode 20; a positive hole transport layer 40; the luminescent layer 50; an electron transport layer 60; and a negative electrode 70. The luminescent layer 50 is formed by alternately stacking three or more layers of luminescent layers 51, 52, 53, 54 and 55. The respective luminescent layers 51-55 each contain a dopant, and a positive hole transport material and an electron transport material as hosts.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2003272870A Organic el element 有权
标题翻译：有机EL元素
公开(公告)号：JP2003272870A
公开(公告)日：2003-09-26
申请号：JP2002072345
申请日：2002-03-15
申请人： Denso Corp , 株式会社デンソー
发明人： SUZUKI HARUMI , KOJIMA KAZUE
IPC分类号： H01L51/50 , H05B33/14 , H05B33/22
摘要： PROBLEM TO BE SOLVED: To provide an organic EL element that is capable of securing appropriate luminescence, while suppressing short circuit between electrodes by making the organic layers thick.
SOLUTION: This is an organic EL element S1 in which, as a layer made of hole transporting material, a hole injection layer 30, a hole transporting mixing layer 40, and a hole transporting layer 50 are interposed between a positive electrode 20 and a luminous layer 60 made of organic EL material, and an electron transporting layer 70 made of electron transporting material is interposed between the luminous layer 60 and a negative electrode 80. The hole transporting mixing layer 40 is made by mixing at least two kinds or more of hole transporting materials, and one material out of the two kinds or more of the hole transporting materials in the mixing layer 40 has higher hole transporting capability than the other hole transporting materials. The hole transporting mixing layer 40 is thickest out of the layers 30-50 made of hole transporting material.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过使有机层变厚，提供能够确保适当的发光的有机EL元件，同时抑制电极之间的短路。解决方案：这是一种有机EL元件S1，其中作为由空穴传输材料制成的层，空穴注入层30，空穴传输混合层40和空穴传输层50插入在正极20 和由有机EL材料制成的发光层60和由电子传输材料制成的电子传输层70插入在发光层60和负极80之间。空穴传输混合层40通过混合至少两种或更多的空穴传输材料和混合层40中的两种或更多种空穴传输材料中的一种材料具有比其它空穴传输材料更高的空穴传输能力。空穴传输混合层40在由空穴传输材料制成的层30-50中最厚。版权所有（C）2003，JPO

6. 发明专利

JP2003187977A ORGANIC EL ELEMENT 审中-公开
公开(公告)号：JP2003187977A
公开(公告)日：2003-07-04
申请号：JP2001387650
申请日：2001-12-20
申请人： DENSO CORP
发明人： KOJIMA KAZUE
IPC分类号： H01L51/50 , H05B33/14 , H05B33/22
摘要： PROBLEM TO BE SOLVED: To suppress the color change due to the drive time and voltage change as much as possible in an organic EL element which makes mixed color emission from a plurality of luminous layers. SOLUTION: In the organic EL element which has an organic layer 90 including luminous layers 51, 52, 53 made of an organic EL material between a positive electrode 20 and a negative electrode 80, the luminous layer is a layer in which a short wavelength luminous layer 52 that emits light of relatively shot wavelength and a long wavelength luminous layer 51, 53 that emits light of relatively long wavelength are laminated alternately in three layers or more. COPYRIGHT: (C)2003,JPO

7. 发明专利

JP2010251585A Organic electroluminescent element 有权
标题翻译：有机电致发光元件
公开(公告)号：JP2010251585A
公开(公告)日：2010-11-04
申请号：JP2009100738
申请日：2009-04-17
申请人： Denso Corp , Toyota Central R&D Labs Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： SATO TOSHIICHI , NODA KOJI , AKETO KUNIO , SAKAGUCHI KOICHI , KOJIMA KAZUE
IPC分类号： H01L51/50 , C09K11/06
摘要： PROBLEM TO BE SOLVED: To provide an organic electroluminescent element suppressing degradation of luminance and rise of a drive voltage even in long-time drive or high-temperature drive of the element. SOLUTION: This organic electroluminescent element includes: an anode 12 on a substrate 10; a cathode 24; and an organic layer including a luminescent layer 16 between the anode 12 and the cathode 24; and further includes, between the cathode 24 and the luminescent layer 12, a mixture layer 20 containing an electron transporting material and an organic compound having large polarity relative to the electron transporting material, wherein the organic compound is included at a ratio of 3-50 vol.% in the mixture layer 20. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在元件的长时间驱动或高温驱动中，也提供了抑制亮度劣化和驱动电压上升的有机电致发光元件。解决方案：该有机电致发光元件包括：基板10上的阳极12; 阴极24; 以及在阳极12和阴极24之间包含发光层16的有机层; 并且在阴极24和发光层12之间还包含含有电子传输材料和相对于电子传输材料具有极性极性的有机化合物的混合物层20，其中以3-50的比例包含有机化合物混合物层20中的体积％。（C）2011，JPO＆INPIT

8. 发明专利

JP2005108804A Organic el device and its manufacturing method 有权
标题翻译：有机EL器件及其制造方法
公开(公告)号：JP2005108804A
公开(公告)日：2005-04-21
申请号：JP2004041458
申请日：2004-02-18
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： KATO TETSUYA , KOJIMA KAZUE , KAJIOKA TAKANORI , ISHII MASAHIKO
IPC分类号： H01L51/50 , C09K11/06 , H01L51/00 , H05B33/14
CPC分类号： H01L51/0059 , H01L51/0058 , H01L51/006 , H01L51/0081 , H01L51/5012 , H01L51/5036 , H01L2251/308 , Y10S428/917
摘要： PROBLEM TO BE SOLVED: To improve brightness lifetime and secure heat-resisting characteristics of over 100 °C in an organic EL device in which a light emitting layer obtained by mixing a hole transporting material, an electronic transporting material and a light emitting additive is pinched between a pair of electrodes. SOLUTION: In this organic EL device in which the light emitting layer 50 obtained by mixing the hole transporting material, the electronic transporting material and the light emitting additive is pinched between the pair of electrodes 20, 80. A tertiary amine compound constituting the hole transporting material has a plurality of oxidation potentials determined by the cyclic voltammetry method. The potential difference of a first oxidation potential and a second oxidation potential of the plurality of oxidation potentials is over 0.22V, glass transition temperature is over 100 °C. Glass transition temperature of the electronic transporting material is over 100 °C. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过混合空穴传输材料，电子传输材料和发射光的发光层的有机EL器件中，为了提高亮度寿命和确保100℃以上的耐热特性，添加剂夹在一对电极之间。解决方案：在通过混合空穴传输材料，电子传输材料和发光添加剂获得的发光层50被夹在一对电极20和80之间的有机EL器件中。构成叔胺化合物的叔胺化合物空穴传输材料具有由循环伏安法确定的多个氧化电位。多个氧化电位的第一氧化电位和第二氧化电位的电位差超过0.22V，玻璃化转变温度超过100℃。电子输送材料的玻璃化转变温度超过100℃。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2004281379A Organic el panel and its manufacturing method 有权
公开(公告)号：JP2004281379A
公开(公告)日：2004-10-07
申请号：JP2003412063
申请日：2003-12-10
申请人： Denso Corp , 株式会社デンソー
发明人： SUZUKI HARUMI , OZAKI MASAAKI , TATE KOJIRO , KOJIMA KAZUE
IPC分类号： H01L51/50 , H01L27/32 , H01L51/56 , H05B33/00 , H05B33/10 , H05B33/14 , H05B33/22
CPC分类号： H01L51/56 , H01L27/3211
摘要： PROBLEM TO BE SOLVED: To suppress lowering of color purity by preventing dopants in a long wavelength luminescent layer from rounding into the interface of a shorter wavelength luminescent layer and a charge transporting layer, in an organic EL panel formed by repeatedly disposing luminescent layers having different luminescent colors on a plane. SOLUTION: In this organic EL panel S1, a positive electrode 20, an electron hole injection layer 30, a hole transporting layer 40, a luminescent layer 50, an electron transporting layer 60, and a negative electrode 70 are laminated one by one, and the luminescent layer 50 is formed by repeatedly disposing a plurality of luminescent layers 51, 52, 53 having different luminescent colors on the plane. The luminescent layer 50 and two or more layers containing at least one charge transporting layer of both charge transporting layers of the hole transporting layer 40 and the electron transporting layer 60 are separated and formed into deposition films for every region of each luminescent color. COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2002343571A ORGANIC ELECTROLUMINESCENCE ELEMENT 失效
公开(公告)号：JP2002343571A
公开(公告)日：2002-11-29
申请号：JP2001150175
申请日：2001-05-18
申请人： TOYOTA CENTRAL RES & DEV , DENSO CORP , FUJI PHOTO FILM CO LTD
发明人： FUJIKAWA HISAYOSHI , TAGA YASUNORI , OKADA HISASHI , IGARASHI TATSUYA , KOJIMA KAZUE , KATO TETSUYA
IPC分类号： H01L51/50 , C09K11/06 , H05B33/12 , H05B33/14 , H05B33/22
摘要： PROBLEM TO BE SOLVED: To realize a long life of a multi-color or white-color organic electroluminescence element. SOLUTION: For a luminous layer of an organic EL element, 1,3,5- tripyrenylbenzen derivative that is excellent in stability and expressed by the formula (1) is employed as a host material of the luminous layer, and a dopant is doped in this host material. By combining a blue color luminous layer (first luminous layer) and a luminous layer of another color added with a dopant, a multi-color or white color luminous element having a high illuminance and a long life is obtained. This organic EL element can realize a high luminous efficiency and a ling life.

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