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1. 发明专利

JP2005071919A Highly efficient organic light emitting element 有权
标题翻译：高效的有机发光元件
公开(公告)号：JP2005071919A
公开(公告)日：2005-03-17
申请号：JP2003303051
申请日：2003-08-27
申请人： Hitachi Displays Ltd , Hitachi Ltd , 株式会社日立ディスプレイズ , 株式会社日立製作所
发明人： NAKAYAMA TAKAHIRO , MURAKAMI HAJIME , SHIMIZU MASAO
IPC分类号： H05B33/24 , H01L51/50 , H05B33/14 , H05B33/22 , H05B33/28
CPC分类号： H01L51/5265
摘要： PROBLEM TO BE SOLVED: To solve problems that in a conventional light emitting element of resonator structure, because there is little degree of freedom of film thickness adjustment of electron transport layer in order to adjust electric charge balance of the light emitting element, adjustment of the phase of electromagnetic wave is scarcely possible when it is emitted from a light emitting layer and reflected by a metal electrode and arrives again to the light emitting layer, furthermore that the arriving excitation state at the metal electrode is deactivated to cause non-light emission because a material which has a long time of several μ seconds or more in excitation and relaxation time moves and is diffused for a long distance from the light emitting layer until the excitation state is dissipated, and that a high brightness or a high efficiency is not achieved in a conventional light emitting element of the resonator structure.
SOLUTION: By using a transparent conductive film in a hole transport layer 203, a light emitting layer 204, an electron transport layer 205, and both an anode 202A of organic light emitting element having an electron injection layer 206 and a cathode 202B, and by installing films 201, 207 having light reflecting function outside the anode 202A and the cathode 202B respectively, the organic light emitting element in which the two problems have been simultaneously solved. In the organic light emitting element, a high efficiency, prevention of efficiency reduction on the high brightness side, and resonator effect can be introduced.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题为了解决现有的共振器结构的发光元件的问题，为了调整发光元件的电荷平衡，由于电子传输层的膜厚调整的自由度很小，当从发光层发射并被金属电极反射并再次到达发光层时，电磁波相位的调节几乎是不可能的，此外，金属电极处的到达激发状态被去激活，由于在激发和弛豫时间长时间为几秒或更长时间的材料移动并从发光层漫射到发光层直到激发状态消散为止，因此发光，并且高亮度或高效率在谐振器结构的常规发光元件中不能实现。解决方案：通过在空穴传输层203，发光层204，电子传输层205以及具有电子注入层206和阴极202B的有机发光元件的阳极202A中使用透明导电膜通过在阳极202A和阴极202B的外侧设置具有光反射功能的膜201,207，同时解决了两个问题的有机发光元件。在有机发光元件中，可以引入高效率，防止高亮度侧的效率降低和谐振器效应。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005285386A Organic electroluminescent element and display device using it 审中-公开
标题翻译：有机电致发光元件和使用它的显示器件
公开(公告)号：JP2005285386A
公开(公告)日：2005-10-13
申请号：JP2004094009
申请日：2004-03-29
申请人： Hitachi Displays Ltd , Hitachi Ltd , 株式会社日立ディスプレイズ , 株式会社日立製作所
发明人： NAKAYAMA TAKAHIRO , MURAKAMI HAJIME , SHIMIZU MASAO
IPC分类号： H05B33/24 , H01L51/50 , H05B33/14 , H05B33/26
摘要： PROBLEM TO BE SOLVED: To provide an organic electroluminescent element high efficiency emitting light, and to provide a display device which uses it.
SOLUTION: In this organic light-emitting device, a metallic reflection film, a metal fluoride thin film, a first transparent conductive layer, a luminous layer and a second transparent conductive layer are sequentially laminated. The display device uses the organic light-emitting device wherein a substrate, the metallic reflection film, the metal fluoride thin film, the first transparent conductive layer, the luminous layer and the second transparent conductive layer are laminated sequentially. The display device uses the organic light-emitting device, wherein the metallic reflection film, the metal fluoride thin film, the first transparent conductive layer, the luminous layer, the second transparent conductive layer and the substrate are laminated sequentially.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供高效发光的有机电致发光元件，并提供使用它的显示装置。解决方案：在该有机发光器件中，依次层叠金属反射膜，金属氟化物薄膜，第一透明导电层，发光层和第二透明导电层。显示装置使用其中衬底，金属反射膜，金属氟化物薄膜，第一透明导电层，发光层和第二透明导电层被顺序地层压的有机发光器件。显示装置使用有机发光装置，其中依次层叠金属反射膜，金属氟化物薄膜，第一透明导电层，发光层，第二透明导电层和基板。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005276542A Organic light emitting display device 有权
标题翻译：有机发光显示装置
公开(公告)号：JP2005276542A
公开(公告)日：2005-10-06
申请号：JP2004085897
申请日：2004-03-24
申请人： Hitachi Displays Ltd , Hitachi Ltd , 株式会社日立ディスプレイズ , 株式会社日立製作所
发明人： MURAKAMI HAJIME , SHIMIZU MASAO , ARAYA SUKEKAZU , NISHIMURA ETSUKO , TANAKA MASAHIRO
IPC分类号： H01L51/50 , H01L27/32 , H01L29/06 , H01L51/00 , H05B33/08 , H05B33/12 , H05B33/14 , H05B33/20 , H05B33/22 , H05B33/26
CPC分类号： H01L51/5088 , H01L27/3244 , H01L51/006 , H01L51/0078 , H01L51/0081 , H01L51/5092 , H01L2251/5315
摘要： PROBLEM TO BE SOLVED: To provide an organic light emitting display device of upper light extraction type which prevents oxidation of an organic film at the time of forming an upper transparent electrode and can emit light at low voltage.
SOLUTION: The organic light emitting display device has an organic luminous layer, an upper electrode and a lower electrode to clip this organic luminous layer, and has a structure of extracting emitting light from the upper electrode side. The device comprises a buffer layer, between the organic luminous layer and the upper electrode, which is made mainly of an oxide having the amount of oxygen decomposition produced at the time of forming the film fewer than the upper electrode material.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种上部光提取型的有机发光显示装置，其防止形成上部透明电极时的有机膜的氧化并能够以低电压发光。解决方案：有机发光显示装置具有有机发光层，上电极和下电极以夹持该有机发光层，并且具有从上电极侧提取发光的结构。该器件包括在有机发光层和上电极之间的缓冲层，其主要由在形成膜时比上电极材料形成时具有氧分解量的氧化物制成。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005302336A Light-emitting element and its display device 有权
标题翻译：发光元件及其显示装置
公开(公告)号：JP2005302336A
公开(公告)日：2005-10-27
申请号：JP2004112634
申请日：2004-04-07
申请人： Hitachi Displays Ltd , Hitachi Ltd , 株式会社日立ディスプレイズ , 株式会社日立製作所
发明人： TANAKA TOSHIAKI , SASAKI HIROSHI , MURAKAMI HAJIME , SHIMIZU MASAO , HIYAMA IKUO
IPC分类号： G02B1/11 , G02B1/10 , H01L27/32 , H01L51/50 , H01L51/52 , H05B33/02 , H05B33/04 , H05B33/14
CPC分类号： H01L51/5275 , H01L27/3211 , H01L51/5036 , H01L51/524 , H01L51/5268
摘要： PROBLEM TO BE SOLVED: To solve the problem that, in the past, especially in an organic EL element, a light-taking-out efficiency stays as low as 20% under restriction by a total reflection angle of an organic layer or a transparent electrode as components, which is hindrance to improvement of luminous brightness and improvement of optical characteristics depending on a visual field angle.
SOLUTION: The organic EL element enables to take out components which normally turn waveguide light or reflective light at total reflection as scattered light generated in gaps by laminating low-refraction optical thin films introducing gaps controlled down to a size smaller than a visible light wavelength, and thus improving the light-taking-out efficiency and decreasing operation current and consumption power accordingly.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题为了解决以往特别是有机EL元件的问题，在有机层的全反射角度的限制下，取光效率保持在20％以下，或者透明电极作为组分，这妨碍了发光亮度的提高和视场视角的光学特性的提高。解决方案：有机EL元件能够取出通常通过层叠低折射光学薄膜的通常将波导光或反射光作为散射光在空隙中产生的散射光，导入控制在小于可见光光波长，从而提高取光效率，降低工作电流和消耗功率。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2008262176A Organic el display device 审中-公开
标题翻译：有机EL显示设备
公开(公告)号：JP2008262176A
公开(公告)日：2008-10-30
申请号：JP2008059938
申请日：2008-03-10
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： TOYODA HIROKUNI , KASAI SHIGEHIKO , MURAKAMI HAJIME
IPC分类号： G09G3/30 , G09F9/30 , G09G3/20 , H01L27/32 , H01L51/50 , H05B33/08
CPC分类号： G09G3/3225 , G09G3/3283 , G09G3/3291 , G09G2300/043 , G09G2320/029 , G09G2320/0295 , G09G2360/148
摘要： PROBLEM TO BE SOLVED: To provide an organic EL display device with high detection accuracy which can improve both of light emission efficiency and light reception efficiency.
SOLUTION: In the organic EL display device which includes organic thin film elements, a power source line is connected to the organic thin film elements via drive TFTs, a signal line is connected to a gate of the drive TFT so as to supply a potential corresponding to a gray scale signal, a switch is provided for connecting the signal line and the organic thin film element, and the switch is controlled so as to allow an electric current which is obtained by photoelectric conversion with the organic thin film element to flow in the signal line and the organic thin film element during a period in which the gray scale signal is not applied to the signal line.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够提高发光效率和光接收效率两者的高检测精度的有机EL显示装置。解决方案：在包括有机薄膜元件的有机EL显示装置中，电源线通过驱动TFT连接到有机薄膜元件，信号线连接到驱动TFT的栅极，以供应对应于灰度信号的电位，提供用于连接信号线和有机薄膜元件的开关，并且控制开关以允许通过用有机薄膜元件的光电转换获得的电流到在灰度信号未施加到信号线的期间，在信号线和有机薄膜元件中流动。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2006163045A Display device and method for driving the same 有权
标题翻译：显示装置及其驱动方法
公开(公告)号：JP2006163045A
公开(公告)日：2006-06-22
申请号：JP2004355401
申请日：2004-12-08
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： TANAKA MASAHIRO , MATSUURA TOSHIYUKI , MURAKAMI HAJIME , AKIMOTO HAJIME
IPC分类号： G09G3/30 , G09G3/20 , H01L51/50
CPC分类号： G09G3/3233 , G09G2300/0823 , G09G2320/0233 , G09G2320/043
摘要： PROBLEM TO BE SOLVED: To provide a display device in which supply of power to a light emitting element is performed via a switching element and Vth shift of the switching element is suppressed. SOLUTION: The display device has at least the light emitting element and the switching element in pixels, the switching element supplies the power to the light emitting element via the switching element, constituted of a first switching element and a second switching element, in which one becomes a positive bias state and the other becomes a reverse bias state in accordance with input of data signals in the pixels, the bias state is operated by being alternately switched between the first and second switching elements according to time series input of the data signals and supply of the power to the light emitting element is performed via either of the first switching element or the second switching element. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种通过开关元件对发光元件供电的显示装置，并且抑制了开关元件的Vth偏移。解决方案：显示装置至少具有像素中的发光元件和开关元件，开关元件经由由第一开关元件和第二开关元件构成的开关元件向发光元件供电，其中一个变为正偏置状态，另一个根据像素中的数据信号的输入变为反向偏置状态，通过根据第一和第二开关元件的时间序列输入在第一和第二开关元件之间交替切换来操作偏置状态通过第一开关元件或第二开关元件中的任一个来执行数据信号和向发光元件的供电。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006302723A Organic light emitting display device 有权
标题翻译：有机发光显示装置
公开(公告)号：JP2006302723A
公开(公告)日：2006-11-02
申请号：JP2005124405
申请日：2005-04-22
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： SHIMIZU MASAO , MURAKAMI HAJIME , ARATANI SUKEKAZU , TANAKA MASAHIRO
IPC分类号： H05B33/22 , G09F9/30 , H01L27/32 , H01L51/50 , H05B33/12
CPC分类号： H01L51/5234 , H01L27/3295 , H01L2251/5315
摘要： PROBLEM TO BE SOLVED: To provide an organic light emitting element in which electron and hole injection efficiency of the electrode is regenerated in a first electrode which is insulated and contaminated, and which has high efficiency and high quality.
SOLUTION: The organic light emitting display device comprises: a substrate, first electrode; an insulating film bank formed so as to cover the edge of the first electrode; an metallic film formed on the first electrode and the insulating film bank, an organic luminous layer, and a second electrode arranged in this order. The lower part of the side face of the insulating film bank is made in inverse taper shape.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种有机发光元件，其中在被绝缘和污染的第一电极中再生电极的电子和空穴注入效率，并且具有高效率和高质量。有机发光显示装置包括：基板，第一电极; 形成为覆盖第一电极的边缘的绝缘膜组; 形成在第一电极和绝缘膜组上的金属膜，有机发光层和依次布置的第二电极。绝缘膜组的侧面的下部形成为倒锥形。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2009110872A Display device 有权
标题翻译：显示设备
公开(公告)号：JP2009110872A
公开(公告)日：2009-05-21
申请号：JP2007283708
申请日：2007-10-31
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： TOYODA HIROKUNI , MURAKAMI HAJIME , KATO SHINICHI , TANAKA MASAHIRO
IPC分类号： H05B33/04 , G09F9/30 , H01L27/32 , H01L51/50 , H05B33/12 , H05B33/22 , H05B33/26
CPC分类号： H01L51/5259 , H01L27/3246 , H01L51/5072 , H01L51/5212 , H01L51/5228 , H01L2251/5315
摘要： PROBLEM TO BE SOLVED: To effectively remove moisture in the display device without deteriorating light utilization efficiency in a top emission type organic EL display device.
SOLUTION: The organic EL display device emits light by impressing a voltage by an image signal between an upper electrode 23 and a lower electrode that pinches an organic EL layer. The organic EL layer includes an electron transporting layer, a luminous layer, and a hole transporting layer. The electron transporting layer contains an organic material and cesium and has hygroscopicity. By using the same material as the electron transporting layer and by changing the component composition with more amount of cesium, a drying agent 40 is installed at a portion which does not overlap with the organic EL layer, thereby, moisture in the organic EL display device is effectively removed.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了有效地去除显示装置中的水分，而不会降低顶部发射型有机EL显示装置中的光利用效率。解决方案：有机EL显示装置通过在夹持有机EL层的上电极23和下电极之间的图像信号施加电压而发光。有机EL层包括电子传输层，发光层和空穴传输层。电子传输层含有有机材料和铯，具有吸湿性。通过使用与电子传输层相同的材料并通过用更多量的铯来改变组分组成，干燥剂40安装在与有机EL层不重叠的部分处，从而有机EL显示装置中的水分被有效地去除。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007273255A Organic el display device 审中-公开
标题翻译：有机EL显示设备
公开(公告)号：JP2007273255A
公开(公告)日：2007-10-18
申请号：JP2006097570
申请日：2006-03-31
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： TANAKA MASAHIRO , MATSUURA TOSHIYUKI , MURAKAMI HAJIME , TANAKA JUN
IPC分类号： H05B33/12 , G09F9/00 , G09F9/30 , H01L27/32 , H01L51/50 , H05B33/04 , H05B33/10
摘要： PROBLEM TO BE SOLVED: To provide a top emission type organic EL display device of high display quality.
SOLUTION: The top emission type organic EL display device comprises a first substrate provided with an organic EL element 7 with a reflecting lower electrode, a functional layer including an organic luminescent layer, and a light transmitting upper electrode laminated in this order, and a second substrate with a desiccant 2 formed on a surface facing a surface formed with the organic EL element 7, and emits light to the upper electrode 6 side. A physical adsorption type desiccant 2 and a color filter 4 are provided on the surface, facing the first substrate, of the second substrate, and the desiccant 2 and the color filter 4 or a black matrix 5 are arranged in this order from the second substrate toward the first substrate side.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供高显示质量的顶部发射型有机EL显示装置。解决方案：顶部发射型有机EL显示装置包括具有反射下电极的有机EL元件7，包括有机发光层的功能层和依次层叠的透光上电极的第一基板，以及在与形成有机EL元件7的表面相对的表面上形成有干燥剂2的第二基板，并向上电极6侧发光。在第二基板的面向第一基板的表面上设置物理吸附型干燥剂2和滤色器4，并且从第二基板依次配置干燥剂2和滤色器4或黑色矩阵5 朝向第一基板侧。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007273254A Organic el display device and its manufacturing method 有权
标题翻译：有机EL显示器件及其制造方法
公开(公告)号：JP2007273254A
公开(公告)日：2007-10-18
申请号：JP2006097514
申请日：2006-03-31
申请人： Hitachi Displays Ltd , 株式会社日立ディスプレイズ
发明人： TANAKA MASAHIRO , OCHIAI TAKAHIRO , MATSUURA TOSHIYUKI , MURAKAMI HAJIME
IPC分类号： H05B33/26 , G09F9/30 , H01L27/32 , H01L51/50 , H05B33/04 , H05B33/10
CPC分类号： H01L51/5234 , H01L51/5268 , H01L2251/5315
摘要： PROBLEM TO BE SOLVED: To provide a top emission type organic EL display device improved in light utilization efficiency.
SOLUTION: The top emission type organic EL display device comprising an organic EL element 7 with a reflecting lower electrode, a functional layer and a light transmitting upper electrode 6 laminated in this order, comprises a plurality of particles composed of material different from the upper electrode 6, inside the upper electrode 6. The particles are preferably silica. A part of the upper electrode 6 is provided under the particles, and a part of the upper electrode 6 is provided also on the particles.
COPYRIGHT: (C)2008,JPO&INPIT

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