Display device and driving method thereof

    公开(公告)号:US20060103324A1

    公开(公告)日:2006-05-18

    申请号:US11274913

    申请日:2005-11-14

    IPC分类号: G09G3/10

    摘要: A display device has a plurality of pixels, where each pixel includes a light emitting element, a capacitor, a driving transistor having a control terminal, an input terminal, and an output terminal and supplying a driving current to the light emitting element to emit light, a first switching unit diode-connecting the driving transistor and supplying a data voltage to the capacitor in response to a scanning signal, and a second switching unit supplying a driving voltage to the driving transistor and connecting the capacitor to the driving transistor in response to the emission signal, wherein the capacitor is connected to the driving transistor through the first switching unit, stores a control voltage depending on the data voltage and the threshold voltage of the driving transistor, and is connected to the driving transistor through the second switching unit to supply the control voltage to the driving transistor.

    Display device and driving method thereof
    2.
    发明授权
    Display device and driving method thereof 有权
    显示装置及其驱动方法

    公开(公告)号:US08619006B2

    公开(公告)日:2013-12-31

    申请号:US11274913

    申请日:2005-11-14

    IPC分类号: G09G3/30

    摘要: A display device has a plurality of pixels, where each pixel includes a light emitting element, a capacitor, a driving transistor having a control terminal, an input terminal, and an output terminal and supplying a driving current to the light emitting element to emit light, a first switching unit diode-connecting the driving transistor and supplying a data voltage to the capacitor in response to a scanning signal, and a second switching unit supplying a driving voltage to the driving transistor and connecting the capacitor to the driving transistor in response to the emission signal, wherein the capacitor is connected to the driving transistor through the first switching unit, stores a control voltage depending on the data voltage and the threshold voltage of the driving transistor, and is connected to the driving transistor through the second switching unit to supply the control voltage to the driving transistor.

    摘要翻译: 显示装置具有多个像素,其中每个像素包括发光元件,电容器,具有控制端子的驱动晶体管,输入端子和输出端子,并向发光元件提供驱动电流以发光 第一开关单元二极管,连接驱动晶体管,并响应于扫描信号向电容器提供数据电压;以及第二开关单元,其向驱动晶体管提供驱动电压,并响应于 其中电容器通过第一开关单元连接到驱动晶体管的发射信号存储取决于驱动晶体管的数据电压和阈值电压的控制电压,并通过第二开关单元连接到驱动晶体管, 向驱动晶体管提供控制电压。

    Level shifter and driving method
    3.
    发明授权
    Level shifter and driving method 有权
    电平转换器和驱动方式

    公开(公告)号:US07586358B2

    公开(公告)日:2009-09-08

    申请号:US11771138

    申请日:2007-06-29

    IPC分类号: H03L5/00

    摘要: A level shifter includes; a level conversion unit which receives a first input signal and a second input signal, wherein the second input signal is an inversion of the first input signal, and generates a first output signal having substantially a same phase of the first input signal and a voltage which is higher than the first input signal and a second output signal having substantially a same phase as the first input signal and a voltage which is lower than the first input signal; and wherein the level shifter further includes an amplifying unit which receives the first and second output signals and generates a third output signal having substantially a same phase as the first input signal and an amplitude which is greater than the first input signal.

    摘要翻译: 电平转换器包括: 电平转换单元,其接收第一输入信号和第二输入信号,其中所述第二输入信号是所述第一输入信号的反相,并且产生具有与所述第一输入信号基本上相同相位的第一输出信号和 高于第一输入信号,第二输出信号具有与第一输入信号基本相同的相位和低于第一输入信号的电压; 并且其中所述电平移位器还包括放大单元,其接收所述第一和第二输出信号,并产生具有与所述第一输入信号基本相同的相位的第三输出信号和大于所述第一输入信号的幅度。

    Pixel structure using voltage programming-type for active matrix organic light emitting device
    4.
    发明申请
    Pixel structure using voltage programming-type for active matrix organic light emitting device 有权
    使用有源矩阵有机发光器件的电压编程类型的像素结构

    公开(公告)号:US20060256057A1

    公开(公告)日:2006-11-16

    申请号:US11412525

    申请日:2006-04-27

    IPC分类号: G09G3/36

    摘要: A pixel structure using a voltage programming type active matrix organic light emitting diode (OLED) which can minimize a current deterioration phenomenon is disclosed. The pixel structure includes a fifth TFT receiving an external management signal EMS through its gate, having a drain region connected to a cathode part of an OLED, and receiving an input of an OLED current through its source-drain current path when the OLED emits light, a fourth TFT receiving a set scan signal SCAN through its gate and having source and drain regions connected to gate and drain parts of a third TFT T3, respectively, the third TFT T3 being a current driving transistor for determining the OLED current when the OLED emits light, a capacitor C having upper and lower plates connected to the gate part of the third TFT T3 and a ground voltage VSS, respectively, a first TFT receiving the SCAN signal through its gate and transferring a data voltage to a source region of the third TFT T3, a second TFT receiving the EMS signal through its gate and connecting the lower part of the capacitor C to the source region of the third TFT T3, and a sixth TFT having source and drain regions connected to an external clock signal CLK and the gate region of the third TFT T3, respectively, and having a gate connected to the gate part of the third TFT T3. An anode part of the OLED receives a voltage VDD.

    摘要翻译: 公开了一种可以使电流劣化现象最小化的电压编程型有源矩阵有机发光二极管(OLED)的像素结构。 像素结构包括通过其栅极接收外部管理信号EMS的第五TFT,具有连接到OLED的阴极部分的漏极区域,并且当OLED发光时,通过其源极 - 漏极电流路径接收OLED电流的输入 ,第四TFT通过其栅极接收设置的扫描信号SCAN,并且分别具有连接到第三TFT T 3的栅极和漏极部分的源极和漏极区域,第三TFT T 3是用于确定OLED电流的电流驱动晶体管, OLED发光,具有连接到第三TFT T 3的栅极部分的上板和下板的电容器C和接地电压VSS分别通过其栅极接收SCAN信号的第一TFT并将数据电压传送到源极 区域,第二TFT通过其栅极接收EMS信号并将电容器C的下部连接到第三TFT T 3的源极区域,以及第六TFT,其具有源极和栅极 连接到外部时钟信号CLK的n个区域和第三TFT T 3的栅极区域,并且具有连接到第三TFT T 3的栅极部分的栅极。 OLED的阳极部分接收电压VDD。

    Display device and driving method thereof
    5.
    发明授权
    Display device and driving method thereof 有权
    显示装置及其驱动方法

    公开(公告)号:US07710366B2

    公开(公告)日:2010-05-04

    申请号:US11133878

    申请日:2005-05-19

    IPC分类号: G09G3/32

    摘要: Each pixel includes: a light emitting element; a capacitor; a driving transistor that has a control terminal, an input terminal, and an output terminal and supplies a driving current to the light emitting element to emit light; a first switching unit that diode-connects the driving transistor and supplies a data voltage to the driving transistor in response to a scanning signal; and a second switching unit that supplies a driving voltage to the driving transistor and connects the light emitting element and the capacitor to the driving transistor in response to an emission signal, wherein the capacitor is connected to the driving transistor through the first switching unit, stores a control voltage being a function of the data voltage and the threshold voltage of the driving transistor, and is connected to the driving transistor through the second switching unit to supply the control voltage to the driving transistor.

    摘要翻译: 每个像素包括:发光元件; 电容器 驱动晶体管,其具有控制端子,输入端子和输出端子,并且向发光元件提供驱动电流以发光; 第二开关单元,二极管连接驱动晶体管,并响应于扫描信号将数据电压提供给驱动晶体管; 以及第二开关单元,其向所述驱动晶体管提供驱动电压,并且响应于发射信号将所述发光元件和所述电容器连接到所述驱动晶体管,其中所述电容器通过所述第一开关单元连接到所述驱动晶体管, 控制电压是驱动晶体管的数据电压和阈值电压的函数,并且通过第二开关单元连接到驱动晶体管,以向驱动晶体管提供控制电压。

    Picture element structure of current programming method type active matrix organic emitting diode display and driving method of data line
    6.
    发明申请
    Picture element structure of current programming method type active matrix organic emitting diode display and driving method of data line 有权
    现行编程方法的图像元素结构类型有源矩阵有机发光二极管显示和数据线驱动方法

    公开(公告)号:US20090153459A9

    公开(公告)日:2009-06-18

    申请号:US11351134

    申请日:2006-02-09

    IPC分类号: G09G3/36

    摘要: The present invention provides a novel structure of picture elements in current programming-type semiconductor devices, and in particular, the structure of picture elements of an active matrix organic light emitting diode (OLED) display. The device makes a self-compensation for OLED current deviations due to the deterioration in threshold voltage and uneven electric characteristic in thin film transistors. The invention also provides a method for driving a data driver capable of compensating for the uneven electric characteristic of thin film transistors in the driver for driving picture elements in the current programming-type active matrix OLED display device.

    摘要翻译: 本发明提供了当前编程型半导体器件中的像素的新颖结构,特别是有源矩阵有机发光二极管(OLED)显示器的像素的结构。 该器件由于阈值电压的劣化和薄膜晶体管的不均匀电特性而对OLED电流偏差进行自补偿。 本发明还提供了一种用于驱动能够补偿用于驱动当前编程型有源矩阵OLED显示装置中的像素的驱动器中的薄膜晶体管的不均匀电特性的数据驱动器的方法。

    Touch sensor using capacitance detection and liquid crystal display having the same
    8.
    发明授权
    Touch sensor using capacitance detection and liquid crystal display having the same 有权
    使用电容检测的触摸传感器和具有相同的液晶显示器

    公开(公告)号:US08427436B2

    公开(公告)日:2013-04-23

    申请号:US12327378

    申请日:2008-12-03

    IPC分类号: G06F3/041

    CPC分类号: G06F3/0412 G06F3/044

    摘要: A touch sensor configured to be disposed in a liquid crystal display panel includes a plurality of x-axis read-out lines crossing and insulated from a plurality of y-axis read-out lines and a plurality of sensor units. Each sensor unit includes a reset unit, a capacitance detector, a first output unit, and a second output unit. The reset unit outputs a first reset signal based on a first control signal. The capacitance detector changes the first reset signal based on a variation of a cell gap of the liquid crystal display panel caused by a touch event. The first output unit changes an electric potential of a corresponding x-axis read-out line in response to the first reset signal changed in the capacitance detector. The second output unit changes an electric potential of a corresponding y-axis read-out line in response to the first reset signal changed in the capacitance detector.

    摘要翻译: 配置为设置在液晶显示面板中的触摸传感器包括与多个y轴读出线和多个传感器单元交叉并绝缘的多个x轴读出线。 每个传感器单元包括复位单元,电容检测器,第一输出单元和第二输出单元。 复位单元基于第一控制信号输出第一复位信号。 电容检测器基于由触摸事件引起的液晶显示面板的单元间隙的变化而改变第一复位信号。 响应于在电容检测器中改变的第一复位信号,第一输出单元改变对应的x轴读出线的电位。 响应于在电容检测器中改变的第一复位信号,第二输出单元改变对应的y轴读出线的电位。

    Pixel structure using voltage programming-type for active matrix organic light emitting device
    9.
    发明授权
    Pixel structure using voltage programming-type for active matrix organic light emitting device 有权
    使用有源矩阵有机发光器件的电压编程类型的像素结构

    公开(公告)号:US07872620B2

    公开(公告)日:2011-01-18

    申请号:US11412525

    申请日:2006-04-27

    IPC分类号: G09G3/32

    摘要: A pixel structure using a voltage programming type active matrix organic light emitting diode (OLED) which can minimize a current deterioration phenomenon. The pixel structure includes a fifth TFT receiving an external management signal EMS through its gate, having a drain region connected to a cathode part of an OLED, and receiving an input of an OLED current through its source-drain current path when the OLED emits light, a fourth TFT receiving a set scan signal SCAN through its gate and having source and drain regions connected to gate and drain parts of a third TFT T3; respectively, the third TFT T3 being a current driving transistor for determining the OLED current when the OLED emits light, a capacitor C having upper and lower plates connected to the gate part of the third TFT T3 and a ground voltage VSS.

    摘要翻译: 使用电压编程型有源矩阵有机发光二极管(OLED)的像素结构,其可以使电流恶化现象最小化。 像素结构包括通过其栅极接收外部管理信号EMS的第五TFT,具有连接到OLED的阴极部分的漏极区域,并且当OLED发光时,通过其源极 - 漏极电流路径接收OLED电流的输入 通过其栅极接收设置的扫描信号SCAN并具有连接到第三TFT T3的栅极和漏极部分的源极和漏极区域的第四TFT; 第三TFT T3是用于在OLED发光时确定OLED电流的电流驱动晶体管,具有连接到第三TFT T3的栅极部分的上板和下板的电容器C和接地电压VSS。

    Display device with series connected optical sensors for determining touch position
    10.
    发明授权
    Display device with series connected optical sensors for determining touch position 有权
    具有串联连接的光学传感器用于确定触摸位置的显示装置

    公开(公告)号:US08717308B2

    公开(公告)日:2014-05-06

    申请号:US12469132

    申请日:2009-05-20

    IPC分类号: G06F3/041

    摘要: A display device with a touch screen includes: first sensing units, each first sensing unit comprising first optical sensors connected in series, each first sensing unit comprising a first terminal for receiving a first voltage, each first sensing unit extending in a first direction; second sensing units, each second sensing unit comprising second optical sensors connected in series, each second sensing unit comprising a first terminal for receiving a second voltage, each second sensing unit extending in a second direction transverse to the first direction; a reset unit for applying a reset voltage to a second terminal of each of the first and second sensing units; and a read-out unit for sensing a touch position based on voltage changes at the second terminals of the first and second sensing units.

    摘要翻译: 具有触摸屏的显示设备包括:第一感测单元,每个第一感测单元包括串联连接的第一光学传感器,每个第一感测单元包括用于接收第一电压的第一端子,每个第一感测单元沿第一方向延伸; 第二感测单元,每个第二感测单元包括串联连接的第二光学传感器,每个第二感测单元包括用于接收第二电压的第一端子,每个第二感测单元沿横向于第一方向的第二方向延伸; 复位单元,用于将复位电压施加到第一和第二感测单元中的每一个的第二端子; 以及读出单元,用于基于第一和第二感测单元的第二端子处的电压变化来感测触摸位置。