公开(公告)号：US09663716B2

公开(公告)日：2017-05-30

申请号：US13390930

申请日：2010-08-10

申请人： Tokifumi Masukawa ,  Kenji Hirata ,  Junichi Yamashita

发明人： Tokifumi Masukawa ,  Kenji Hirata ,  Junichi Yamashita

IPC分类号： C09K19/34 ,  C07D309/06 ,  C07D405/04 ,  C07D309/02 ,  C07D405/10 ,  C09K19/04

CPC分类号： C09K19/3402 ,  C07D309/02 ,  C07D309/06 ,  C07D405/04 ,  C07D405/10 ,  C09K2019/0407 ,  C09K2019/3422

摘要： A compound represented by formula (1-1) or (1-2) is provided. For example, R1 and R2 are independently hydrogen, alkyl having 1 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A1, the ring A2, the ring A3, the ring A4, the ring A5 and the ring A6 are independently 1,4-cyclohexylene or 1,4-phenylene; a, b, c, d, e and f are independently 0 or 1, and the sum of a, b, c, d, e and f is 2; and g, h, i, j, k and l are independently 0 or 1, and the sum of g, h, i, j, k and l is 2.

公开(公告)号：US09583040B2

公开(公告)日：2017-02-28

申请号：US12461132

申请日：2009-08-03

申请人： Junichi Yamashita ,  Katsuhide Uchino

发明人： Junichi Yamashita ,  Katsuhide Uchino

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0866 ,  G09G2310/06

摘要： A display device includes: a pixel array including pixel circuits arranged in a matrix, each pixel circuit having a light emitting element, a drive transistor, and a storage capacitor storing a threshold voltage of the transistor and an inputted signal value; and a threshold correction operation means for performing a threshold correction operation plural times, which allows the storage capacitor to store the threshold voltage by applying a drive voltage to the transistor in a state where a gate potential of the transistor is fixed in a reference potential before giving the signal value to the storage capacitor. The threshold correction operation is started in a state where the gate potential is made a correction acceleration potential higher than the reference potential only at the threshold correction operation of the first half in the plural threshold correction operations, then, returns the gate potential to the reference potential to be fixed.

摘要翻译： 显示装置包括：像素阵列，包括以矩阵形式布置的像素电路，每个像素电路具有发光元件，驱动晶体管和存储晶体管的阈值电压的存储电容器和输入的信号值; 以及阈值校正操作装置，用于多次执行阈值校正操作，其允许存储电容器通过在晶体管的栅极电位固定为参考电位之前将晶体管施加驱动电压来存储阈值电压 给存储电容器提供信号值。 阈值校正操作在仅在多个阈值校正操作中的前半部的阈值校正操作下使栅极电位成为高于参考电位的校正加速电位的状态下开始，然后将栅极电位返回到参考 潜力被修复。

公开(公告)号：US09183777B2

公开(公告)日：2015-11-10

申请号：US12613126

申请日：2009-11-05

申请人： Junichi Yamashita ,  Masakazu Kato ,  Katsuhide Uchino

发明人： Junichi Yamashita ,  Masakazu Kato ,  Katsuhide Uchino

IPC分类号： G09G5/00 ,  G09G3/32 ,  H05B33/08

CPC分类号： G09G3/3233 ,  G09G3/2018 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0251 ,  G09G2320/046 ,  H05B33/0896

摘要： An organic electroluminescent light emitting unit driving method includes a process (a) to execute preprocessing, a process (b) to execute threshold voltage cancellation processing, a process (c) to execute writing processing, a process (d) to set a first node to a floating state, and a process (e) to execute a series of processes at least once wherein after driving an organic electroluminescent light emitting unit, a reverse voltage is applied between the anode and cathode electrodes of the organic electroluminescent light emitting unit, with a series of processes (a) through (e) being repeated, with an auxiliary driving process being provided wherein a forward voltage is applied between the anode and cathode electrodes of the organic electroluminescent light emitting unit over a certain period, and with a period between the termination of the auxiliary driving process and the termination of the next process (b) being suppressed to 1 millisecond or less.

摘要翻译： 有机电致发光单元驱动方法包括执行预处理的处理（a），执行阈值电压消除处理的处理（b），执行写入处理的处理（c），设置第一节点 以及至少一次执行一系列处理的处理（e），其中在驱动有机电致发光单元之后，在有机电致发光单元的阳极和阴极之间施加反向电压，与 通过提供辅助驱动方法来重复一系列方法（a）至（e），其中在一段时间内在有机电致发光单元的阳极和阴极之间施加正向电压，并且在 辅助驾驶过程的终止和下一个处理（b）的终止被抑制到1毫秒或更少。

公开(公告)号：US08988320B2

公开(公告)日：2015-03-24

申请号：US12149452

申请日：2008-05-01

申请人： Junichi Yamashita ,  Katsuhide Uchino

发明人： Junichi Yamashita ,  Katsuhide Uchino

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0443 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/043

摘要： Disclosed herein is a display device including: a pixel array unit; and a driving unit; wherein said pixel array unit includes first scanning lines and second scanning lines in a form of rows, signal lines in a form of columns, and pixels in a form of a matrix, each pixel includes a drive transistor, a sampling transistor, a switching transistor, a retaining capacitance, and a light emitting element, said driving unit includes a write scanner for sequentially supplying a control signal to each first scanning line, a drive scanner for sequentially supplying a control signal to each second scanning line, and a signal selector for alternately supplying a signal potential as a video signal and a predetermined reference potential to each signal line.

摘要翻译： 本文公开了一种显示装置，包括：像素阵列单元; 和驱动单元; 其中所述像素阵列单元包括行的形式的第一扫描线和第二扫描线，列的形式的信号线和矩阵形式的像素，每个像素包括驱动晶体管，采样晶体管，开关晶体管 ，保持电容和发光元件，所述驱动单元包括写入扫描器，用于顺序地向每个第一扫描线提供控制信号;驱动扫描器，用于顺序地向每个第二扫描线提供控制信号;以及信号选择器， 交替地向每个信号线提供作为视频信号的信号电位和预定的参考电位。

公开(公告)号：US08872740B2

公开(公告)日：2014-10-28

申请号：US13302600

申请日：2011-11-22

申请人： Junichi Yamashita ,  Katsuhide Uchino

发明人： Junichi Yamashita ,  Katsuhide Uchino

IPC分类号： G09G3/30 ,  G09G3/32

CPC分类号： G09G3/3225 ,  G09G2320/0285 ,  G09G2320/041 ,  G09G2320/045 ,  G09G2320/046 ,  G09G2320/048

摘要： A display apparatus includes: a display panel that includes display elements having a current-driven light-emitting portion, in which the display elements are arranged in a two-dimensional matrix in a first direction and a second direction, and that displays an image on the basis of a video signal; and a luminance correcting unit that corrects the luminance of the display elements when displaying an image on the display panel by correcting a gradation value of an input signal and outputting the corrected input signal as the video signal. The luminance correcting unit includes a reference operating time calculator, an accumulated reference operating time storage, a reference curve storage, a gradation correction value holder, and a video signal generator.

摘要翻译： 显示装置包括：显示面板，包括具有电流驱动发光部分的显示元件，其中显示元件沿第一方向和第二方向布置成二维矩阵，并且将图像显示在 视频信号的基础; 以及亮度校正单元，其通过校正输入信号的灰度值并输出经校正的输入信号作为视频信号来校正在显示面板上显示图像时的显示元件的亮度。 亮度校正单元包括参考操作时间计算器，累积参考操作时间存储器，参考曲线存储器，灰度校正值保持器和视频信号发生器。

公开(公告)号：US08823608B2

公开(公告)日：2014-09-02

申请号：US12075199

申请日：2008-03-10

申请人： Junichi Yamashita ,  Katsuhide Uchino

发明人： Junichi Yamashita ,  Katsuhide Uchino

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G3/3266 ,  G09G2300/0417 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0256 ,  G09G2320/0223 ,  G09G2320/043 ,  G09G2320/0693 ,  H01L27/1285

摘要： A display device includes: a pixel array unit with pixel circuits disposed in matrix form, the pixel circuit including a driving transistor, an electro-optic element, a storage capacitor, and a sampling transistor, with the electro-optic element emitting light by generating a driving current based on information stored in the storage capacitor at the driving transistor to be applied to the electro-optic element; and a control unit, of which the output stage includes a buffer transistor, to output a pulse signal for driving the pixel array unit from the buffer transistor; wherein the pixel array unit and the control unit are formed with long laser beam irradiation to be scanned in the vertical direction or horizontal direction; and wherein with the control unit, the size of the buffer transistor is equal to or greater than the pixel pitch in the scanning direction of the laser beam.

摘要翻译： 显示装置包括：具有以矩阵形式设置的像素电路的像素阵列单元，所述像素电路包括驱动晶体管，电光元件，存储电容器和采样晶体管，电光元件通过产生 基于存储在驱动晶体管的存储电容器中的信息的驱动电流，以施加到电光元件; 以及控制单元，其输出级包括缓冲晶体管，以从缓冲晶体管输出用于驱动像素阵列单元的脉冲信号; 其中所述像素阵列单元和所述控制单元形成为具有在垂直方向或水平方向上被扫描的长激光束照射; 并且其中利用所述控制单元，所述缓冲晶体管的尺寸等于或大于所述激光束的扫描方向上的像素间距。

公开(公告)号：US08810558B2

公开(公告)日：2014-08-19

申请号：US13428513

申请日：2012-03-23

申请人： Tetsuro Yamamoto ,  Junichi Yamashita ,  Seiichiro Jinta ,  Hideki Sugimoto ,  Katsuhide Uchino

发明人： Tetsuro Yamamoto ,  Junichi Yamashita ,  Seiichiro Jinta ,  Hideki Sugimoto ,  Katsuhide Uchino

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G2300/0852 ,  H01L27/3262

摘要： A sampling transistor in embodiments of the present invention is kept at the on-state with a time width shorter than one horizontal cycle, during the period from the rising of a control pulse supplied from a scanner to the falling of the control pulse, and samples a video signal Vsig from a signal line SL to write the video signal Vsig to a hold capacitor. A sampling transistor T1 has a double gate structure in which a pair of transistor elements are connected in common. This suppresses change in the threshold voltage of the sampling transistor.

摘要翻译： 在从扫描器提供的控制脉冲的上升到控制脉冲的下降期间，本发明的实施例中的采样晶体管的时间宽度短于一个水平周期，并且采样 来自信号线SL的视频信号Vsig将视频信号Vsig写入保持电容器。 采样晶体管T1具有双栅极结构，其中一对晶体管元件共同连接。 这抑制了采样晶体管的阈值电压的变化。

公开(公告)号：US08736526B2

公开(公告)日：2014-05-27

申请号：US12831390

申请日：2010-07-07

申请人： Yuuki Seo ,  Junichi Yamashita ,  Katsuhide Uchino

发明人： Yuuki Seo ,  Junichi Yamashita ,  Katsuhide Uchino

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0465 ,  H01L27/3211 ,  H01L27/3244 ,  H01L51/5218 ,  H01L51/5228 ,  H01L51/5253 ,  H01L51/5271

摘要： A display unit with which luminance is able to be improved and a wide view angle is able to be secured while increase of the power consumption is inhibited is provided. The display unit includes a first region placing priority on front face luminance in which an aperture ratio of a light emitting region is relatively small, a second region placing priority on view angle luminance in which the aperture ratio of the light emitting region is relatively large, and a drive means for driving the first region and the second region.

摘要翻译： 提供能够提高亮度的显示单元，并且能够在增加功耗的同时确保宽视角。 显示单元包括对发光区域的开口率相对较小的正面亮度优先放置的第一区域，对发光区域的开口率相对较大的视角亮度优先的第二区域， 以及用于驱动第一区域和第二区域的驱动装置。

公开(公告)号：US08723761B2

公开(公告)日：2014-05-13

申请号：US13416243

申请日：2012-03-09

申请人： Katsuhide Uchino ,  Junichi Yamashita ,  Tetsuro Yamamoto

发明人： Katsuhide Uchino ,  Junichi Yamashita ,  Tetsuro Yamamoto

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G3/30 ,  G09G3/3258 ,  G09G3/3426 ,  G09G3/36 ,  G09G3/3648 ,  G09G2300/043 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2320/045 ,  H05B33/0896

摘要： A pixel circuit, display device, and method of driving a pixel circuit enabling source-follower output with no deterioration of luminance even with a change of the current-voltage characteristic of the light emitting element along with elapse, enabling a source-follower circuit of n-channel transistors, and able to use an n-channel transistor as an EL drive transistor while using current anode-cathode electrodes, wherein a source of a TFT 111 as a drive transistor is connected to an anode of a light emitting element 114, a drain is connected to a power source potential VCC, a capacitor C111 is connected between a gate and source of the TFT 111, and a source potential of the TFT 111 is connected to a fixed potential through a TFT 113 as a switching transistor.

公开(公告)号：US08710617B2

公开(公告)日：2014-04-29

申请号：US13802538

申请日：2013-03-13

申请人： Junichi Yamashita ,  Tomohide Terashima

发明人： Junichi Yamashita ,  Tomohide Terashima

IPC分类号： H01L29/02

CPC分类号： H01L28/40 ,  H01L27/0629 ,  H01L27/0652 ,  H01L27/0676 ,  H01L27/1203 ,  H01L28/60 ,  H01L29/94

摘要： In a region located between a collector electrode and a semiconductor substrate, there are a portion where a hollow region is located and a portion where no hollow region is located. Between the collector electrode and the portion where no hollow region is located in the semiconductor substrate, a floating silicon layer electrically isolated by insulating films is formed.

摘要翻译： 在位于集电极和半导体基板之间的区域中，存在中空区域所在的部分和没有中空区域的部分。 在集电极与半导体衬底中没有中空区域的部分之间，形成通过绝缘膜电隔离的浮动硅层。