Display device with series connected optical sensors for determining touch position
    1.
    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。

    DISPLAY DEVICE WITH OPTICAL SENSORS
    2.
    发明申请
    DISPLAY DEVICE WITH OPTICAL SENSORS 有权
    带光学传感器的显示设备

    公开(公告)号:US20090289915A1

    公开(公告)日:2009-11-26

    申请号:US12469132

    申请日:2009-05-20

    IPC分类号: G06F3/041 G09G5/00

    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: 具有触摸屏的显示装置包括: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。

    Touch sensor using capacitance detection and liquid crystal display having the same
    3.
    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。

    Touch sensor using capacitance detection and liquid crystal display having the same
    4.
    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:US08928599B2

    公开(公告)日:2015-01-06

    申请号:US12814818

    申请日:2010-06-14

    摘要: A liquid crystal display panel includes a touch sensor and the touch sensor includes a plurality of x-axis read-out lines, a plurality of y-axis read-out lines crossing the x-axis read-out lines, a plurality of sensor units provided in a plurality of regions defined by the x-axis read-out lines and the y-axis read-out lines. Each sensor unit comprises a reset unit that outputs a sampling voltage based on a reset voltage, a capacitance detector that generates a modified sampling voltage from the sampling voltage based on a variation of a cell gap of the display panel caused by a touch of the display panel, a first output unit that changes an electric potential of a corresponding x-axis read-out line in response to the modified sampling voltage and a second output unit that changes an electric potential of a corresponding y-axis read-out line in response to the modified sampling voltage.

    摘要翻译: 液晶显示面板包括触摸传感器,触摸传感器包括多个x轴读出线,与x轴读出线交叉的多个y轴读出线,多个传感器单元 设置在由x轴读出线和y轴读出线限定的多个区域中。 每个传感器单元包括基于复位电压输出采样电压的复位单元,电容检测器,其基于由显示器的触摸引起的显示面板的单元间隙的变化从采样电压产生修改的采样电压 面板,响应于修改的采样电压而改变对应的x轴读出线的电位的第一输出单元和响应于改变对应的y轴读出行的电位的第二输出单元 到修改后的采样电压。

    TOUCH SENSOR AND LIQUID CRYSTAL DISPLAY HAVING THE SAME
    5.
    发明申请
    TOUCH SENSOR AND LIQUID CRYSTAL DISPLAY HAVING THE SAME 有权
    触摸传感器和液晶显示器

    公开(公告)号:US20110057902A1

    公开(公告)日:2011-03-10

    申请号:US12814818

    申请日:2010-06-14

    IPC分类号: G06F3/045 G06F3/041 G09G3/36

    摘要: A liquid crystal display panel includes a touch sensor and the touch sensor includes a plurality of x-axis read-out lines, a plurality of y-axis read-out lines crossing the x-axis read-out lines, a plurality of sensor units provided in a plurality of regions defined by the x-axis read-out lines and the y-axis read-out lines. Each sensor unit comprises a reset unit that outputs a sampling voltage based on a reset voltage, a capacitance detector that generates a modified sampling voltage from the sampling voltage based on a variation of a cell gap of the display panel caused by a touch of the display panel, a first output unit that changes an electric potential of a corresponding x-axis read-out line in response to the modified sampling voltage and a second output unit that changes an electric potential of a corresponding y-axis read-out line in response to the modified sampling voltage.

    摘要翻译: 液晶显示面板包括触摸传感器,触摸传感器包括多个x轴读出线,与x轴读出线交叉的多个y轴读出线,多个传感器单元 设置在由x轴读出线和y轴读出线限定的多个区域中。 每个传感器单元包括基于复位电压输出采样电压的复位单元,电容检测器,其基于由显示器的触摸引起的显示面板的单元间隙的变化从采样电压产生修改的采样电压 面板,响应于修改的采样电压而改变对应的x轴读出线的电位的第一输出单元和响应于改变对应的y轴读出行的电位的第二输出单元 到修改后的采样电压。

    Display device and driving method thereof
    6.
    发明申请
    Display device and driving method thereof 有权
    显示装置及其驱动方法

    公开(公告)号:US20050259051A1

    公开(公告)日:2005-11-24

    申请号:US11133878

    申请日:2005-05-19

    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。

    Display device and driving method thereof
    7.
    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。

    Touch sensor, liquid crystal display panel having the same and driving method for the same
    9.
    发明授权
    Touch sensor, liquid crystal display panel having the same and driving method for the same 有权
    触摸传感器,液晶显示面板具有相同的驱动方式

    公开(公告)号:US08537124B2

    公开(公告)日:2013-09-17

    申请号:US12366186

    申请日:2009-02-05

    摘要: A touch sensor is installed inside a liquid crystal display panel to sense a touch operation and includes a light sensing part including a photodiode, a capacitance sensing part including a liquid crystal capacitor, and a sensing signal output part. The light sensing part generates a control signal corresponding to a variation in the amount of external light when the liquid crystal display panel is touched. The capacitance sensing part varies the control signal based on a variation in the capacitance of the liquid crystal capacitor when the liquid crystal display panel is touched. The sensing signal output part generates a sensing signal in response to the control signal and determines an output timing of the sensing signal.

    摘要翻译: 触摸传感器安装在液晶显示面板内以感测触摸操作,并且包括包括光电二极管的光感测部分,包括液晶电容器的电容感测部分和感测信号输出部分。 光感测部产生与液晶显示面板触摸时的外部光量的变化对应的控制信号。 当触摸液晶显示面板时,电容感测部分基于液晶电容器的电容的变化来改变控制信号。 感测信号输出部分响应于控制信号产生感测信号,并确定感测信号的输出定时。

    LIQUID CRYSTAL DISPLAY AND TOUCH SENSING METHOD THEREOF
    10.
    发明申请
    LIQUID CRYSTAL DISPLAY AND TOUCH SENSING METHOD THEREOF 审中-公开
    液晶显示和触摸感应方法

    公开(公告)号:US20100026639A1

    公开(公告)日:2010-02-04

    申请号:US12347421

    申请日:2008-12-31

    IPC分类号: G06F3/041

    CPC分类号: G06F3/0412

    摘要: A liquid crystal display includes a liquid crystal panel that has a plurality of pixels and a plurality of sensors, and a touch sensing circuit that compares a sensing voltage detected by at least one sensor with a reference voltage that corresponds to the at least one sensor to determine the at least one sensor is touched. A level of the reference voltage is calibrated by taking operation characteristics of the sensors into consideration.

    摘要翻译: 液晶显示器包括具有多个像素和多个传感器的液晶面板,以及将由至少一个传感器检测到的感测电压与对应于至少一个传感器的参考电压进行比较的触摸感测电路, 确定至少有一个传感器被触摸。 通过考虑传感器的操作特性来校准参考电压的电平。