公开(公告)号：US08436791B2

公开(公告)日：2013-05-07

申请号：US12690267

申请日：2010-01-20

申请人： Hitoshi Ota ,  Satoshi Yatabe ,  Hideto Ishiguro

发明人： Hitoshi Ota ,  Satoshi Yatabe ,  Hideto Ishiguro

IPC分类号： G09G3/30

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0256 ,  G09G2320/043

摘要： A light-emitting device includes a light-emitting element that emits light of an amount based on the size of a driving current; a driving transistor, the gate thereof being electrically connected to a first node, that outputs a current flowing between the drain-source as the driving current; and a control unit that supplies a first data potential to the first node and supplies a current to the driving transistor so as to set the voltage between the gate and source of the driving transistor to a compensated voltage based on the mobility of the driving transistor, and then supplies a second data potential determined in accordance with the first data potential to the first node.

摘要翻译： 发光装置包括基于驱动电流的大小发光量的发光元件; 驱动晶体管，其栅极电连接到第一节点，其输出在所述漏源之间流动的电流作为所述驱动电流; 以及控制单元，其向第一节点提供第一数据电位，并且向驱动晶体管提供电流，以便基于驱动晶体管的迁移率将驱动晶体管的栅极和源极之间的电压设置为补偿电压， 然后将根据第一数据电位确定的第二数据电位提供给第一节点。

公开(公告)号：US08599222B2

公开(公告)日：2013-12-03

申请号：US12544563

申请日：2009-08-20

申请人： Hideto Ishiguro ,  Satoshi Yatabe

发明人： Hideto Ishiguro ,  Satoshi Yatabe

IPC分类号： G09G5/10

CPC分类号： G09G3/30 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/0262 ,  G09G2320/043 ,  G09G2320/045

摘要： There is provided a method of driving a pixel circuit that includes a light emitting element; a driving transistor that is connected to the light emitting element in series; a storage capacitor that is interposed between a path, which is formed between the light emitting element and the driving transistor, and a gate of the driving transistor; a selection switch that is interposed between the gate of the driving transistor and a signal line; and a first control switch that is interposed between the gate of the driving transistor and the signal line and is connected to the selection switch in series.

摘要翻译： 提供了一种驱动包括发光元件的像素电路的方法; 与发光元件串联连接的驱动晶体管; 存储电容器，其设置在形成在所述发光元件和所述驱动晶体管之间的路径与所述驱动晶体管的栅极之间; 插入驱动晶体管的栅极和信号线之间的选择开关; 以及插入在驱动晶体管的栅极和信号线之间并串联连接到选择开关的第一控制开关。

公开(公告)号：US08456391B2

公开(公告)日：2013-06-04

申请号：US12545479

申请日：2009-08-21

申请人： Satoshi Yatabe ,  Hideto Ishiguro

发明人： Satoshi Yatabe ,  Hideto Ishiguro

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/066

摘要： Provided is a method of driving a pixel circuit including a light emitting element and a driving transistor which are connected in series, and a storage capacitor disposed between the path between the light emitting element and the driving transistor and the gate of the driving transistor, the method including the steps of: supplying a driving signal, of which the time rate of change of the potential varies over time, to a gate of the driving transistor; stopping the supply of the driving signal at a point in time which is set to be variable in accordance with a gradation specified for the pixel circuit; and supplying a driving current corresponding to an open circuit voltage of the storage capacitor to the light emitting element.

摘要翻译： 提供了一种驱动包括串联连接的发光元件和驱动晶体管的像素电路的方法，以及设置在发光元件和驱动晶体管之间的路径与驱动晶体管的栅极之间的存储电容器， 方法包括以下步骤：将电位变化的时间变化率随时间变化的驱动信号提供给驱动晶体管的栅极; 停止在根据针对像素电路指定的灰度被设定为可变的时间点的驱动信号的供应; 并向所述发光元件提供与所述存储电容器的开路电压相对应的驱动电流。

公开(公告)号：US08362986B2

公开(公告)日：2013-01-29

申请号：US12783097

申请日：2010-05-19

申请人： Hideto Ishiguro ,  Satoshi Yatabe

发明人： Hideto Ishiguro ,  Satoshi Yatabe

IPC分类号： G09G3/32

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/066 ,  G09G2320/043 ,  G09G2320/045

摘要： A light emitting apparatus includes a pixel circuit, and a drive circuit which drives the pixel circuit. The pixel circuit has a light emitting device, a driving transistor connected in series to the light emitting device, a capacitive element arranged between a gate and a source of the driving transistor, a first switching device arranged between the gate of the driving transistor and a signal line corresponding to the pixel circuit, and a second switching device arranged between the source of the driving transistor and a reset line.

摘要翻译： 发光装置包括像素电路和驱动像素电路的驱动电路。 像素电路具有发光器件，与发光器件串联的驱动晶体管，布置在驱动晶体管的栅极和源极之间的电容元件，布置在驱动晶体管的栅极和第一开关器件之间的第一开关器件， 信号线，以及布置在驱动晶体管的源极和复位线之间的第二开关器件。

公开(公告)号：US08310416B2

公开(公告)日：2012-11-13

申请号：US12499485

申请日：2009-07-08

申请人： Satoshi Yatabe ,  Hideto Ishiguro

发明人： Satoshi Yatabe ,  Hideto Ishiguro

IPC分类号： G09G3/30 ,  G09G5/00 ,  G06F3/038

CPC分类号： G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/043

摘要： There is provided a method of driving a pixel circuit. The method includes: performing a compensating operation of asymptotically causing the voltage across the storage capacitance to converge with a voltage corresponding to a threshold voltage of the driving transistor by applying a first reference voltage to the gate of the driving transistor, over a time duration variably set according to a gradation value designated to the pixel circuit, in a compensating period after the elapse of the resetting period; changing the voltage across the storage capacitance from a voltage set by the compensating operation to a voltage corresponding to the gradation value by applying a gradation voltage corresponding to the gradation value from a signal line to the gate of the driving transistor, in a writing period after the elapse of the compensating period.

摘要翻译： 提供了驱动像素电路的方法。 该方法包括：通过在可变的时间段上施加第一参考电压到驱动晶体管的栅极，执行渐近地使存储电容两端的电压与对应于驱动晶体管的阈值电压的电压收敛的补偿操作 在经过复位周期后的补偿期间，根据指定给像素电路的灰度值进行设定; 将存储电容的电压从通过补偿操作设定的电压改变为对应于灰度值的电压，通过在写入周期之后的写入周期中将与来自信号线的灰度值相对应的灰度电压施加到驱动晶体管的栅极 经过补偿期。

公开(公告)号：US20100302228A1

公开(公告)日：2010-12-02

申请号：US12783097

申请日：2010-05-19

申请人： Hideto ISHIGURO ,  Satoshi Yatabe

发明人： Hideto ISHIGURO ,  Satoshi Yatabe

IPC分类号： G06F3/038 ,  G09G3/20

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/066 ,  G09G2320/043 ,  G09G2320/045

摘要： A light emitting apparatus includes a pixel circuit, and a drive circuit which drives the pixel circuit. The pixel circuit has a light emitting device, a driving transistor connected in series to the light emitting device, a capacitative element arranged between a gate and a source of the driving transistor, a first switching device arranged between the gate of the driving transistor and a signal line corresponding to the pixel circuit, and a second switching device arranged between the source of the driving transistor and a reset line.

摘要翻译： 发光装置包括像素电路和驱动像素电路的驱动电路。 像素电路具有发光器件，串联连接到发光器件的驱动晶体管，布置在驱动晶体管的栅极和源极之间的电容元件，布置在驱动晶体管的栅极和第一晶体管的栅极之间的第一开关器件， 信号线，以及布置在驱动晶体管的源极和复位线之间的第二开关器件。

公开(公告)号：US08754880B2

公开(公告)日：2014-06-17

申请号：US12512536

申请日：2009-07-30

申请人： Hideto Ishiguro ,  Satoshi Yatabe

发明人： Hideto Ishiguro ,  Satoshi Yatabe

IPC分类号： G06F3/038 ,  G09G5/00

CPC分类号： G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/066

摘要： Provided is a method of driving a pixel circuit including a light emitting element and a driving transistor which are connected in series to each other, and a storage capacitor disposed between a path between the light emitting element and the driving transistor and a gate of the driving transistor, the method including the steps of: supplying a driving signal to a gate of the driving transistor; and changing the potential of the driving signal over time so that the time rate of change of the potential of the driving signal at the point in time when the supply of the driving signal stops becomes the time rate of change corresponding to a specified gradation of the pixel circuit.

摘要翻译： 提供了驱动包括彼此串联连接的发光元件和驱动晶体管的像素电路的方法，以及设置在发光元件和驱动晶体管之间的路径与驱动晶体管的栅极之间的存储电容器 晶体管，该方法包括以下步骤：向驱动晶体管的栅极提供驱动信号; 并且随着时间的推移改变驱动信号的电位，使得在驱动信号的供给停止时的时间点的驱动信号的电位的时间变化率成为对应于指定的等级的时间变化率 像素电路。

公开(公告)号：US08624880B2

公开(公告)日：2014-01-07

申请号：US12793190

申请日：2010-06-03

申请人： Hideto Ishiguro ,  Satoshi Yatabe

发明人： Hideto Ishiguro ,  Satoshi Yatabe

IPC分类号： G06F3/038

CPC分类号： G09G3/3233 ,  G09G3/3266 ,  G09G2310/0251 ,  G09G2310/0297

摘要： Provided is a light emitting apparatus where each pixel circuit is provided with the reset transistor, which is disposed between the node of the pixel circuit and the first feed line corresponding to the adjacent pixel circuit in the second direction as viewed from the pixel circuit. In addition, in the initialization period before the selection period, in which the scan line corresponding to the pixel circuit is selected, and in the compensation period, the reset transistor of the pixel circuit is set to the ON state, and the values of the power supply voltages output to the first feed line corresponding to the pixel circuit and the first feed line corresponding to the adjacent pixel circuit in the second direction as viewed from the pixel circuit are variably controlled, so that the initialization or compensation operation of the pixel circuit is performed.

摘要翻译： 提供一种发光装置，其中每个像素电路设置有复位晶体管，该复位晶体管设置在从像素电路观察的像素电路的节点和对应于相邻像素电路的第二方向上的第一馈电线之间。 此外，在选择与像素电路对应的扫描线的选择期间之前的初始化期间，在补偿期间，将像素电路的复位晶体管设定为ON状态， 可变地控制输出到与像素电路对应的第一馈电线的电源电压和从像素电路观察的与第二方向相对应的相邻像素电路的第一馈电线，使得像素电路的初始化或补偿操作 被执行。

公开(公告)号：US08643576B2

公开(公告)日：2014-02-04

申请号：US12534524

申请日：2009-08-03

申请人： Hideto Ishiguro ,  Satoshi Yatabe

发明人： Hideto Ishiguro ,  Satoshi Yatabe

IPC分类号： G09G3/34

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0866 ,  G09G2310/0297

摘要： A method of driving a plurality of pixel circuits. The pixel circuits are disposed corresponding to intersections between a plurality of scanning lines and a plurality of signal lines. Each of the pixel circuits includes: a light emitting element; a driving transistor; a holding capacitor; and a selection switch electrically interconnecting the signal line and the gate of the driving transistor at the time of the selection of the scanning line. The method includes: supplying a gradation potential to each signal line during a first period, selecting the scanning line during a second period, and supplying the gradation potential to the gate of the driving transistor; controlling the driving transistor of each of the pixel circuits to be in an ON state, supplying a reference potential to the gate of the corresponding driving transistor, and executing a first compensation operation and supplying driving current to the light emitting element.

摘要翻译： 一种驱动多个像素电路的方法。 像素电路对应于多条扫描线和多条信号线之间的交叉点设置。 每个像素电路包括：发光元件; 一个驱动晶体管; 保持电容器; 以及在选择扫描线时将信号线与驱动晶体管的栅极电连接的选择开关。 该方法包括：在第一周期期间向各信号线提供灰度电位，在第二周期期间选择扫描线，并将灰度电位提供给驱动晶体管的栅极; 控制每个像素电路的驱动晶体管处于导通状态，向对应的驱动晶体管的栅极提供参考电位，并执行第一补偿操作，并向发光元件提供驱动电流。

公开(公告)号：US20100328278A1

公开(公告)日：2010-12-30

申请号：US12821839

申请日：2010-06-23

申请人： Hideto Ishiguro ,  Satoshi Yatabe

发明人： Hideto Ishiguro ,  Satoshi Yatabe

IPC分类号： G09G5/00

CPC分类号： G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251

摘要： A light emitting device includes: a pixel circuit; and a driving circuit that drives the pixel circuit, wherein the pixel circuit includes: a light emitting element; a driving transistor that is connected to the light emitting element in series; a storage capacitor that is located between a gate of the driving transistor and a source of the driving transistor; and a selecting transistor that is located between the gate of the driving transistor and a signal line that corresponds to the pixel circuit, after a writing period starts, the driving circuit sets a potential of a selection signal to a selection potential to turn on the selecting transistor and outputs a data potential to the signal line to cause a current corresponding to the data potential to flow in the driving transistor, the selection signal being to be supplied to the gate of the selecting transistor, the data potential being changed over time, and after the driving circuit sets the potential of the selection signal to the selection potential and outputs the data potential, the driving circuit changes, from the selection potential, the potential of the selection signal over time until the end time of the writing period to turn off the selecting transistor and thereby stop supply of the data potential and sets, to a rate corresponding to a gradation specified for the pixel circuit, a rate of change of the data potential at the time when the supply of the data potential to the driving transistor is stopped.

摘要翻译： 发光器件包括：像素电路; 以及驱动所述像素电路的驱动电路，其中所述像素电路包括：发光元件; 与发光元件串联连接的驱动晶体管; 存储电容器，位于所述驱动晶体管的栅极和所述驱动晶体管的源极之间; 以及位于驱动晶体管的栅极与对应于像素电路的信号线之间的选择晶体管，在写入周期开始之后，驱动电路将选择信号的电位设置为选择电位，以接通选择 晶体管，并向信号线输出数据电位，使与数据电位对应的电流流入驱动晶体管，选择信号被提供给选择晶体管的栅极，数据电位随时间变化，以及 在驱动电路将选择信号的电位设置为选择电位并输出数据电位之后，驱动电路从选择电位改变选择信号的电位随时间变化直到写入周期的结束时间关闭 选择晶体管，从而停止提供数据电位，并将其设置为与为像素循环指定的灰度相对应的速率 在停止提供驱动晶体管的数据电位时的数据电位的变化率。