公开(公告)号：US08085258B2

公开(公告)日：2011-12-27

申请号：US12219991

申请日：2008-07-31

申请人： Mitsuru Asano ,  Masatsugu Tomida ,  Hiroshi Fujimura

发明人： Mitsuru Asano ,  Masatsugu Tomida ,  Hiroshi Fujimura

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0866 ,  G09G2310/06 ,  G09G2330/04

摘要： A driving circuit for driving an organic electroluminescence light emitting portion includes: a driving transistor of the n channel type having source/drain regions, a channel formation region and a gate electrode; an image signal writing transistor having source/drain regions, a channel formation region and a gate electrode; and a capacitor element. A first voltage for supplying current toward the organic electroluminescence light emitting portion through the driving transistor and a second voltage for preventing a potential difference between the second node and a cathode electrode provided on the organic electroluminescence light emitting portion from exceeding a threshold voltage of the organic electroluminescence light emitting portion are selectively applied from the power supply section to the first one of the source/drain regions of the driving transistor. An LDD (Lightly Doped Drain) structure is formed adjacent the first one of the source/drain regions of the driving transistor.

摘要翻译： 用于驱动有机电致发光发光部分的驱动电路包括：具有源极/漏极区域的n沟道型驱动晶体管，沟道形成区域和栅极电极; 具有源极/漏极区域的图像信号写入晶体管，沟道形成区域和栅极电极; 和电容元件。 用于通过驱动晶体管向有机电致发光发光部分提供电流的第一电压和用于防止设置在有机电致发光部分上的第二节点和阴极之间的电位差超过有机电致发光部分的阈值电压的第二电压 选择性地将电致发光部分从电源部分施加到驱动晶体管的源极/漏极区域中的第一个。 在驱动晶体管的源极/漏极区域的第一个附近形成LDD（轻掺杂漏极）结构。

公开(公告)号：US20090046088A1

公开(公告)日：2009-02-19

申请号：US12219991

申请日：2008-07-31

申请人： Mitsuru Asano ,  Masatsugu Tomida ,  Hiroshi Fujimura

发明人： Mitsuru Asano ,  Masatsugu Tomida ,  Hiroshi Fujimura

IPC分类号： G06F3/038

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0866 ,  G09G2310/06 ,  G09G2330/04

摘要： A driving circuit for driving an organic electroluminescence light emitting portion includes: a driving transistor of the n channel type having source/drain regions, a channel formation region and a gate electrode; an image signal writing transistor having source/drain regions, a channel formation region and a gate electrode; and a capacitor element. A first voltage for supplying current toward the organic electroluminescence light emitting portion through the driving transistor and a second voltage for preventing a potential difference between the second node and a cathode electrode provided on the organic electroluminescence light emitting portion from exceeding a threshold voltage of the organic electroluminescence light emitting portion are selectively applied from the power supply section to the first one of the source/drain regions of the driving transistor. An LDD (Lightly Doped Drain) structure is formed adjacent the first one of the source/drain regions of the driving transistor.

摘要翻译： 用于驱动有机电致发光发光部分的驱动电路包括：具有源极/漏极区域的n沟道型驱动晶体管，沟道形成区域和栅极电极; 具有源极/漏极区域的图像信号写入晶体管，沟道形成区域和栅极电极; 和电容元件。 用于通过驱动晶体管向有机电致发光发光部分提供电流的第一电压和用于防止设置在有机电致发光部分上的第二节点和阴极之间的电位差超过有机电致发光部分的阈值电压的第二电压 选择性地将电致发光部分从电源部分施加到驱动晶体管的源极/漏极区域中的第一个。 在驱动晶体管的源极/漏极区域的第一个附近形成LDD（轻掺杂漏极）结构。

公开(公告)号：US07825880B2

公开(公告)日：2010-11-02

申请号：US11889357

申请日：2007-08-13

申请人： Akira Yumoto ,  Mitsuru Asano ,  Seiichiro Jinta

发明人： Akira Yumoto ,  Mitsuru Asano ,  Seiichiro Jinta

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G3/3291 ,  G09G2300/0417 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/06 ,  G09G2330/021

摘要： A pixel circuit is disposed where a scan line arranged in a row direction to supply a control signal and a data line arranged in a column direction to supply a video signal intersect each other. The pixel circuit includes: a sampling transistor; a drive transistor; a capacitor connected between the current path end of the sampling transistor and the gate of the drive transistor; and a light-emitting device connected to the current path end of the drive transistor. The pixel circuit connects the mobility with negative feedback during a mobility connection period.

摘要翻译： 像素电路设置在沿行方向布置的扫描线以提供控制信号和沿列方向布置以提供视频信号的数据线彼此相交的位置。 像素电路包括：采样晶体管; 驱动晶体管; 连接在采样晶体管的电流路径端与驱动晶体管的栅极之间的电容器; 以及连接到驱动晶体管的电流路径端的发光器件。 在移动连接期间，像素电路将移动性与负反馈连接。

公开(公告)号：US20080048955A1

公开(公告)日：2008-02-28

申请号：US11889357

申请日：2007-08-13

申请人： Akira Yumoto ,  Mitsuru Asano ,  Seiichiro Jinta

发明人： Akira Yumoto ,  Mitsuru Asano ,  Seiichiro Jinta

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G3/3291 ,  G09G2300/0417 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/06 ,  G09G2330/021

摘要： A pixel circuit is disposed where a scan line arranged in a row direction to supply a control signal and a data line arranged in a column direction to supply a video signal intersect each other. The pixel circuit includes: a sampling transistor; a drive transistor; a capacitor connected between the current path end of the sampling transistor and the gate of the drive transistor; and a light-emitting device connected to the current path end of the drive transistor. The pixel circuit connects the mobility with negative feedback during a mobility connection period.

摘要翻译： 像素电路设置在沿行方向布置的扫描线以提供控制信号和沿列方向布置以提供视频信号的数据线彼此相交的位置。 像素电路包括：采样晶体管; 驱动晶体管; 连接在采样晶体管的电流路径端与驱动晶体管的栅极之间的电容器; 以及连接到驱动晶体管的电流路径端的发光器件。 在移动连接期间，像素电路将移动性与负反馈连接。

公开(公告)号：US08508444B2

公开(公告)日：2013-08-13

申请号：US13608506

申请日：2012-09-10

申请人： Masatsugu Tomida ,  Mitsuru Asano

发明人： Masatsugu Tomida ,  Mitsuru Asano

IPC分类号： G09G3/30

CPC分类号： G09G3/3208 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0819

摘要： A self-luminous display device includes: pixel circuits; and a drive signal generating circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, and the drive signal generating circuit generates the drive signal containing a second level signal adapted to stop the light emission without reverse-biasing the light-emitting diode, a first level signal, lower than the second level signal, adapted to reverse-bias the light-emitting diode, and a third level signal, higher than the second level signal, adapted to enable the light-emitting diode to emit light, the drive signal generating circuit supplying the drive signal to the pixel circuits.

摘要翻译： 自发光显示装置包括：像素电路; 以及驱动信号发生电路，其中每个像素电路包括发光二极管，连接到发光二极管的驱动电流路径的驱动晶体管和耦合到驱动晶体管的控制节点的保持电容器， 并且驱动信号发生电路产生包含适于停止发光的第二电平信号的驱动信号，而不反光偏置发光二极管，低于第二电平信号的第一电平信号适于反向偏置光 以及高于第二电平信号的第三电平信号，适于使发光二极管发光，驱动信号发生电路将驱动信号提供给像素电路。

公开(公告)号：US08345031B2

公开(公告)日：2013-01-01

申请号：US12385339

申请日：2009-04-06

申请人： Masatsugu Tomida ,  Mitsuru Asano

发明人： Masatsugu Tomida ,  Mitsuru Asano

IPC分类号： G06F3/038

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2320/0219 ,  G09G2320/043 ,  G09G2330/028 ,  H01L27/3244 ,  H01L51/5228 ,  H01L51/5234 ,  H01L2251/5315

摘要： A display device includes a pixel array unit including pixels arranged in a matrix, the pixels each including an electrooptical element, a writing transistor for writing an image signal, a storage capacitor for storing the image signal, and a driving transistor for driving the electrooptical element in accordance with the image signal, the pixels each having a threshold correction process function for, before light emission of the electrooptical element, changing a source potential of the driving transistor to a potential obtained by subtracting a threshold voltage of the driving transistor from an initial gate potential of the driving transistor; and a power supply unit configured to set, as a power supply potential of a power supply line for supplying a current to the driving transistor, different potential values for a threshold correction period for execution of the threshold correction process and a light-emission period for the electrooptical element.

摘要翻译： 显示装置包括像素阵列单元，其包括排列成矩阵的像素，每个像素包括电光元件，用于写入图像信号的写入晶体管，用于存储图像信号的存储电容器，以及用于驱动电光元件的驱动晶体管 根据图像信号，每个具有阈值校正处理功能的像素在电光元件的发光之前将驱动晶体管的源极电位改变为通过从初始值减去驱动晶体管的阈值电压而获得的电位 驱动晶体管的栅极电位; 以及电源单元，被配置为将用于向驱动晶体管提供电流的电源线的电源电位设定为用于执行阈值校正处理的阈值校正周期的不同电位值，以及用于执行阈值校正处理的发光周期 电光元件。

公开(公告)号：US20120306729A1

公开(公告)日：2012-12-06

申请号：US13589609

申请日：2012-08-20

申请人： Masatsugu Tomida ,  Mitsuru Asano

发明人： Masatsugu Tomida ,  Mitsuru Asano

IPC分类号： G09G3/30

CPC分类号： H01L27/3276 ,  G09G3/30 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/0256 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/02 ,  G09G2330/021

摘要： Disclosed herein is an electroluminescence display panel including: a pixel circuit; a signal line; a scan line; a drive power supply line; a common power supply line; a power supply line drive circuit; a high-potential power supply line; and a low-potential power supply line.

摘要翻译： 本发明公开了一种电致发光显示面板，包括：像素电路; 信号线 扫描线 驱动电源线; 一条通用电源线; 电源线驱动电路; 高潜力电源线; 和低电位电源线。

公开(公告)号：US08310418B2

公开(公告)日：2012-11-13

申请号：US12314039

申请日：2008-12-03

申请人： Masatsugu Tomida ,  Mitsuru Asano

发明人： Masatsugu Tomida ,  Mitsuru Asano

IPC分类号： G09G3/32 ,  G09G3/36 ,  G06F3/038 ,  H03B1/00

CPC分类号： G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0866 ,  G09G2320/0233 ,  G09G2320/0238 ,  G09G2320/0247

摘要： A self-luminous display device includes: pixel circuits; and a drive circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current channel of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, the drive circuit applies a light emission enabling bias to the light-emitting diode after correcting the drive transistor and writing a data voltage to the control node, provides, during a light emission enabled period in which the light emission enabling bias is applied, a light emission interruption period adapted to change the light emission enabling bias to a non-light emission bias with the data voltage held by the holding capacitor, and performs a light emission disabling process, adapted to reverse-bias the light-emitting diode to stop the light emission, for a constant period after the light emission enabled period.

摘要翻译： 自发光显示装置包括：像素电路; 以及驱动电路，其中每个像素电路包括发光二极管，连接到发光二极管的驱动电流通道的驱动晶体管和耦合到驱动晶体管的控制节点的保持电容器，驱动器 电路在校正驱动晶体管并将数据电压写入控制节点之后，向发光二极管施加发光使能偏置，在施加发光使能偏压的发光使能期间提供发光中断 适于将所述发光使所述发光偏置改变为具有由所述保持电容器保持的数据电压的非发光偏压，并且执行适于使所述发光二极管反向偏置以停止发光的发光禁止处理， 在发光使能期后的恒定周期。

公开(公告)号：US08284131B2

公开(公告)日：2012-10-09

申请号：US12349944

申请日：2009-01-07

申请人： Masatsugu Tomida ,  Mitsuru Asano

发明人： Masatsugu Tomida ,  Mitsuru Asano

IPC分类号： G09G3/30

CPC分类号： G09G3/3208 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0819

摘要： A self-luminous display device includes: pixel circuits; and a drive signal generating circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, and the drive signal generating circuit generates the drive signal containing a second level signal adapted to stop the light emission without reverse-biasing the light-emitting diode, a first level signal, lower than the second level signal, adapted to reverse-bias the light-emitting diode, and a third level signal, higher than the second level signal, adapted to enable the light-emitting diode to emit light, the drive signal generating circuit supplying the drive signal to the pixel circuits.

摘要翻译： 自发光显示装置包括：像素电路; 以及驱动信号发生电路，其中每个像素电路包括发光二极管，连接到发光二极管的驱动电流路径的驱动晶体管和耦合到驱动晶体管的控制节点的保持电容器， 并且驱动信号发生电路产生包含适于停止发光的第二电平信号的驱动信号，而不反光偏置发光二极管，低于第二电平信号的第一电平信号适于反向偏置光 以及高于第二电平信号的第三电平信号，适于使发光二极管发光，驱动信号发生电路将驱动信号提供给像素电路。

公开(公告)号：US07868859B2

公开(公告)日：2011-01-11

申请号：US12292909

申请日：2008-12-01

申请人： Masatsugu Tomida ,  Mitsuru Asano

发明人： Masatsugu Tomida ,  Mitsuru Asano

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/0256 ,  G09G2320/043 ,  G09G2320/045

摘要： Disclosed herein is a self-luminous display device including: pixel circuits; and a drive circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, during a period in which at least actual threshold voltage and mobility corrections are performed on the drive transistor before the light-emitting diode can emit light, the drive circuit performs a preliminary threshold voltage correction of the drive transistor, i.e., a dummy Vth correction, with the light-emitting diode in a non-light emitting state, the drive circuit next performs a correction preparation for a constant period by reverse-biasing the light-emitting diode and initializing the voltage held by the holding capacitor, and the drive circuit performs the actual threshold voltage correction and mobility correction after the correction preparation.

摘要翻译： 这里公开了一种自发光显示装置，包括：像素电路; 以及驱动电路，其中每个所述像素电路包括发光二极管，连接到所述发光二极管的驱动电流路径的驱动晶体管，以及耦合到所述驱动晶体管的控制节点的保持电容器 在发光二极管可以发光之前至少对驱动晶体管执行实际阈值电压和迁移率校正的周期，驱动电路对驱动晶体管进行初步阈值电压校正，即虚拟Vth校正，其中 发光二极管处于非发光状态时，驱动电路接着通过对发光二极管进行反向偏置并初始化由保持电容器保持的电压来执行恒定周期的校正准备，并且驱动电路执行实际 校正准备后的阈值电压校正和迁移率校正。