公开(公告)号：US08648840B2

公开(公告)日：2014-02-11

申请号：US12073861

申请日：2008-03-11

申请人： Katsuhide Uchino ,  Tetsuro Yamamoto

发明人： Katsuhide Uchino ,  Tetsuro Yamamoto

IPC分类号： G06F3/038

CPC分类号： G09G3/3225 ,  G09G3/3233 ,  G09G5/10 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/043

摘要： A display apparatus includes: a pixel array section including a row of first and second scanning lines, a column of signal lines, and pixels in a matrix, each of the pixels disposed at an intersection of both of the lines; and a drive section. The drive section performs line progressive scanning on the pixels. The pixel includes a light emitting device, a sampling transistor, a driving transistor, a switching transistor, and a holding capacitor. The sampling transistor samples a video signal on the signal line to hold the signal potential in the holding capacitor, the driving transistor makes the light emitting device conductive to be in a luminous state in accordance with the held signal potential, and the switching transistor becomes ON in accordance with the control signal supplied in advance of the sampling of the video signal to change the light emitting device to a non-luminous state.

摘要翻译： 显示装置包括：像素阵列部分，包括第一和第二扫描线的行，信号线列和矩阵中的像素，每个像素设置在两条线的交点处; 和驱动部分。 驱动部分对像素执行行逐行扫描。 像素包括发光器件，采样晶体管，驱动晶体管，开关晶体管和保持电容器。 采样晶体管对信号线上的视频信号进行采样以将信号电位保持在保持电容器中，驱动晶体管使得发光器件根据保持的信号电位导通为发光状态，并且开关晶体管导通 根据在视频信号的采样之前提供的控制信号，将发光装置改变为非发光状态。

公开(公告)号：US08599189B2

公开(公告)日：2013-12-03

申请号：US12591369

申请日：2009-11-18

申请人： Atsushi Ozawa ,  Katsuhide Uchino

发明人： Atsushi Ozawa ,  Katsuhide Uchino

IPC分类号： G06F3/038

CPC分类号： G09G3/2007 ,  G09G3/12 ,  G09G3/2011 ,  G09G3/3225 ,  G09G3/3258 ,  G09G2320/0271 ,  G09G2320/066 ,  G09G2320/0686 ,  G09G2330/021 ,  G09G2330/023

摘要： A display device includes: an extraction unit extracting an edge component of a display data signal; an adder unit adding an edge component to the display data signal; a signal generation unit generating a control signal in accordance with the display data signal and an output signal of the adder unit; a correction unit carrying out correction processing on the edge component in accordance with the control signal and outputting the corrected edge component to the adder unit; and a display unit carrying out a display operation in accordance with the output signal of the adder unit.

摘要翻译： 显示装置包括：提取单元，提取显示数据信号的边缘分量; 加法器单元，将边缘分量与显示数据信号相加; 信号生成单元，根据显示数据信号和加法器单元的输出信号生成控制信号; 校正单元，根据控制信号对边缘分量执行校正处理，并将校正的边缘分量输出到加法器单元; 以及显示单元，根据加法器单元的输出信号执行显示操作。

公开(公告)号：US08599178B2

公开(公告)日：2013-12-03

申请号：US13064753

申请日：2011-04-13

申请人： Katsuhide Uchino ,  Tetsuro Yamamoto ,  Junichi Yamashita

发明人： Katsuhide Uchino ,  Tetsuro Yamamoto ,  Junichi Yamashita

IPC分类号： G09G3/32

CPC分类号： G09G3/30 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861

摘要： A transistor connected to a power source for driving a light-emitting element driving transistor and a transistor setting to a predetermined voltage a source voltage of the light-emitting element driving transistor are commonly controlled by a control signal that takes one of three levels.

公开(公告)号：US08581807B2

公开(公告)日：2013-11-12

申请号：US12457316

申请日：2009-06-08

申请人： Tetsuro Yamamoto ,  Katsuhide Uchino

发明人： Tetsuro Yamamoto ,  Katsuhide Uchino

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0252 ,  G09G2320/043

摘要： Disclosed herein is a display device including a pixel array section having pixel circuits arranged in a form of a matrix, the pixel circuits each including a driving transistor for generating a driving current, an electrooptic element connected to an output terminal of the driving transistor, a storage capacitor for retaining information corresponding to signal amplitude of a video signal, and a sampling transistor for writing the information corresponding to the signal amplitude to the storage capacitor; a vertical scanning section configured to generate a vertical scanning pulse for vertical scanning of the pixel circuits; a horizontal scanning section configured to supply the video signal to the pixel circuits so as to coincide with the vertical scanning in the vertical scanning section; and a driving signal constancy achieving circuit for holding the driving current constant.

摘要翻译： 本发明公开了一种显示装置，包括：像素阵列部，具有以矩阵形式配置的像素电路，各像素电路各自包括用于产生驱动电流的驱动晶体管，连接到驱动晶体管的输出端的电光元件， 存储电容器，用于保持与视频信号的信号幅度相对应的信息;以及采样晶体管，用于将对应于信号幅度的信息写入存储电容器; 垂直扫描部，被配置为生成用于像素电路的垂直扫描的垂直扫描脉冲; 水平扫描部，被配置为将所述视频信号提供给所述像素电路，以便与所述垂直扫描部中的垂直扫描一致; 以及用于保持驱动电流恒定的驱动信号恒定实现电路。

公开(公告)号：US08570245B2

公开(公告)日：2013-10-29

申请号：US12632330

申请日：2009-12-07

申请人： Yukihito Iida ,  Mitsuru Asano ,  Katsuhide Uchino

发明人： Yukihito Iida ,  Mitsuru Asano ,  Katsuhide Uchino

IPC分类号： G09G3/12

CPC分类号： H01L27/3276 ,  G09G3/30 ,  G09G3/3233 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/02 ,  G09G2330/028 ,  G09G2330/10 ,  H01L27/124 ,  H01L27/3248 ,  H01L27/3262 ,  H01L27/3265 ,  H01L51/5206 ,  H01L51/5221

摘要： A display device includes a pixel array unit having a matrix of pixels each configured such that an anode electrode of an organic electroluminescent element is connected to a source electrode of a drive transistor, a gate electrode of the drive transistor is connected to a source or drain electrode of a writing transistor, and a storage capacitor is connected between the gate and source electrodes of the drive transistor, scanning lines and power supply lines for individual pixel rows, and signal lines for individual pixel columns. A video signal reference potential is supplied to the signal lines for a period during which a scanning signal is supplied to the scanning lines during driving of pixels in a preceding row. During threshold correction for the drive transistor in a current pixel, the video signal reference potential and a potential of the cathode electrode of the organic electroluminescent element are equal.

摘要翻译： 显示装置包括像素阵列单元，其具有像素矩阵，每个像素阵列单元配置为使得有机电致发光元件的阳极连接到驱动晶体管的源电极，驱动晶体管的栅电极连接到源极或漏极 写入晶体管的电极和存储电容器连接在驱动晶体管的栅极和源极之间，用于各个像素行的扫描线和电源线以及各个像素列的信号线。 视频信号参考电位在前一行的像素驱动期间将扫描信号提供给扫描线的期间被提供给信号线。 在当前像素中的驱动晶体管的阈值校正期间，有机电致发光元件的视频信号参考电位和阴极的电位相等。

公开(公告)号：US08564508B2

公开(公告)日：2013-10-22

申请号：US13619006

申请日：2012-09-14

申请人： Katsuhide Uchino ,  Junichi Yamashita

发明人： Katsuhide Uchino ,  Junichi Yamashita

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0417 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/02 ,  G09G2310/06 ,  G09G2320/043 ,  G09G2330/028

摘要： A display device including pixel circuits arranged in a form of a matrix, with the pixel circuits respectively including an electro-optical element, a drive transistor, a sampling transistor, and a capacitive element. The sampling transistor samples a signal from the signal line in the capacitive element. The drive transistor and the electro-optical element are arranged in series to form a current path between a power supply line and a ground line. The drive transistor is configured to control a driving current through the current path according to a signal potential stored in the capacitive element. Compensation for driving current dependence on a characteristic of the drive transistor is provided, with such compensation being based upon a current through the current path occurring before a light emission period.

摘要翻译： 一种显示装置，包括以矩阵形式布置的像素电路，像素电路分别包括电光元件，驱动晶体管，采样晶体管和电容元件。 采样晶体管从电容元件中的信号线采样信号。 驱动晶体管和电光元件串联布置以形成电源线和接地线之间的电流路径。 驱动晶体管被配置为根据存储在电容元件中的信号电位来控制通过电流路径的驱动电流。 提供用于驱动电流对驱动晶体管的特性的依赖性的补偿，其中这种补偿基于在发光周期之前发生的电流路径的电流。

公开(公告)号：US08547308B2

公开(公告)日：2013-10-01

申请号：US13067274

申请日：2011-05-20

申请人： Yukihito Iida ,  Katsuhide Uchino

发明人： Yukihito Iida ,  Katsuhide Uchino

IPC分类号： G09G3/30

CPC分类号： G09G3/3258 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2320/043

摘要： A display device comprises a pixel array unit including a plurality of pixels, and power supply lines and a power supply scanner for supplying a power supply voltage switching between first and second potentials to each of the power supply lines, wherein each of the pixels includes a light emitting element, a sampling transistor, a driver transistor, and a holding capacitor. The sampling transistor samples a signal potential to be held in the holding capacitor, the driver transistor receives a supply of a current from the power supply scanner through the power supply line at a first potential and flows a drive current to the light emitting element in accordance with the held signal potential, and the power supply scanner changes the power supply line from the first potential to the second potential before the sampling transistors samples the signal potential.

摘要翻译： 显示装置包括：包括多个像素的像素阵列单元;以及电源线和电源扫描器，用于向每个电源线提供在第一和第二电位之间切换的电源电压，其中每个像素包括 发光元件，采样晶体管，驱动晶体管和保持电容器。 采样晶体管对要保持在保持电容器中的信号电位进行采样，驱动晶体管以第一电位从电源扫描器接收来自电源扫描器的电流，并根据驱动晶体管将驱动电流流向发光元件 具有保持的信号电位，并且电源扫描器在采样晶体管对信号电位进行采样之前将电源线从第一电位改变到第二电位。

公开(公告)号：US08508445B2

公开(公告)日：2013-08-13

申请号：US12461151

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 ,  G09G3/10

CPC分类号： G09G3/3233 ,  G09G2300/0842 ,  G09G2320/043

摘要： A display device includes: a pixel array including pixel circuits arranged in a matrix state, in which each pixel circuit has a light emitting element, a drive transistor, and a storage capacitor storing a threshold voltage of the drive transistor and an inputted signal value; a threshold correction operation means for performing a threshold correction operation plural times, which allows the storage capacitor to store the threshold voltage of the drive transistor before giving the signal value to the storage capacitor; and a cut-off control means for allowing the drive transistor to be cut off in at least one after-correction period and for allowing the drive transistor not to be cut off in at least one after-correction period in plural after-correction periods which are periods after the plural threshold correction operation periods.

摘要翻译： 显示装置包括：像素阵列，包括以矩阵状态布置的像素电路，其中每个像素电路具有发光元件，驱动晶体管和存储驱动晶体管的阈值电压的存储电容器和输入的信号值; 阈值校正操作装置，用于多次执行阈值校正操作，其允许存储电容器在将信号值提供给存储电容器之前存储驱动晶体管的阈值电压; 以及截止控制装置，用于允许驱动晶体管在至少一个后校正周期中被切断，并且用于允许驱动晶体管在多个后校正周期中的至少一个后校正周期中不被切断， 是在多个阈值校正操作期间之后的周期。

公开(公告)号：US08493294B2

公开(公告)日：2013-07-23

申请号：US12857992

申请日：2010-08-17

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 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/046 ,  G09G2360/145 ,  G09G2360/16

摘要： A display device includes: a dummy pixel provided on a display panel; a reflection film provided on a light-emitting-surface side of the display panel for reflecting light emitted from the dummy pixel; a photodetector provided on an opposite side of the display panel from the light-emitting surface for detecting the light emitted from the dummy pixel and reflected from the reflection film; and a correction circuit for correcting, based on the results of detection by the photodetector, the luminance of effective pixels that contribute to image display.

摘要翻译： 显示装置包括：设置在显示面板上的虚拟像素; 反射膜，设置在所述显示面板的发光面侧，用于反射从所述虚拟像素发出的光; 光检测器，其设置在显示面板的与发光面相反的一侧，用于检测从虚拟像素发出的光并从反射膜反射; 以及校正电路，用于基于光电检测器的检测结果来校正有助于图像显示的有效像素的亮度。

公开(公告)号：US08451258B2

公开(公告)日：2013-05-28

申请号：US12591865

申请日：2009-12-03

申请人： Tetsuro Yamamoto ,  Katsuhide Uchino

发明人： Tetsuro Yamamoto ,  Katsuhide Uchino

IPC分类号： G09G5/00 ,  G09G3/30

CPC分类号： H01L27/1255 ,  G09G3/30 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/06 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/046 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/3211 ,  H01L27/3213 ,  H01L27/3253 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3272 ,  H01L27/3276 ,  H01L51/5012 ,  H01L51/5218

摘要： Disclosed herein is a display apparatus, including: a plurality of subpixels disposed adjacent each other and forming one pixel which forms a unit for formation of a color image; the plurality of subpixels including a first subpixel which emits light of the shortest wavelength and a second subpixel disposed adjacent the first subpixel; the second subpixel having a light blocking member disposed between the second subpixel and the first subpixel and having a width greater than a channel length or a channel width of a transistor which forms the second subpixel.