Photo sensor and organic light emitting display using the same
    1.
    发明授权
    Photo sensor and organic light emitting display using the same 有权
    光传感器和有机发光显示器使用相同

    公开(公告)号:US08681135B2

    公开(公告)日:2014-03-25

    申请号:US12504004

    申请日:2009-07-16

    IPC分类号: G06F3/038 G09G5/00

    摘要: A photo sensor capable of reducing the distortion of signals output from the photo sensor to output a correct measured value and an organic light emitting display using the same. The organic light emitting display includes a pixel unit formed on a transparent substrate to display an image in response to scan signals and data signals, a scan driver generating the scan signals to transmit the scan signals to the pixel unit, a data driver generating the data signals to transmit the data signals to the pixel unit, and a photo sensor including a sensing unit sensing brightness of ambient light to output a sensing signal and a control unit for receiving the sensing signal to output a brightness control signal for controlling brightness of the image. The sensing unit disposed in a predetermined region of the transparent substrate and includes a first photo diode receiving a first driving power source to generate optical current so that a magnitude of the optical current is controlled in response to the brightness of the ambient light, a first capacitor for storing the optical current, and a first switch coupled between the first driving power source and the first photo diode to perform a switching operation.

    摘要翻译: 一种光传感器,其能够减少从光传感器输出的信号的失真,以输出正确的测量值,以及使用其的有机发光显示器。 有机发光显示器包括形成在透明基板上以响应于扫描信号和数据信号显示图像的像素单元,产生扫描信号以将扫描信号传输到像素单元的扫描驱动器,产生数据的数据驱动器 用于将数据信号发送到像素单元的信号;以及光传感器,包括感测环境光的亮度的感测单元以输出感测信号;以及控制单元,用于接收感测信号,以输出用于控制图像亮度的亮度控制信号 。 感测单元设置在透明基板的预定区域中,并且包括接收第一驱动电源以产生光电流的第一光电二极管,使得响应于环境光的亮度来控制光电流的大小,第一 用于存储光电流的电容器,以及耦合在第一驱动电源和第一光电二极管之间以执行开关操作的第一开关。

    PHOTO SENSOR AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME
    2.
    发明申请
    PHOTO SENSOR AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME 有权
    照片传感器和有机发光显示器使用它

    公开(公告)号:US20100013811A1

    公开(公告)日:2010-01-21

    申请号:US12504004

    申请日:2009-07-16

    IPC分类号: G09G5/00 G09G3/30 H04N5/335

    摘要: A photo sensor capable of reducing the distortion of signals output from the photo sensor to output a correct measured value and an organic light emitting display using the same. The organic light emitting display includes a pixel unit formed on a transparent substrate to display an image in response to scan signals and data signals, a scan driver generating the scan signals to transmit the scan signals to the pixel unit, a data driver generating the data signals to transmit the data signals to the pixel unit, and a photo sensor including a sensing unit sensing brightness of ambient light to output a sensing signal and a control unit for receiving the sensing signal to output a brightness control signal for controlling brightness of the image. The sensing unit disposed in a predetermined region of the transparent substrate and includes a first photo diode receiving a first driving power source to generate optical current so that a magnitude of the optical current is controlled in response to the brightness of the ambient light, a first capacitor for storing the optical current, and a first switch coupled between the first driving power source and the first photo diode to perform a switching operation.

    摘要翻译: 一种光传感器,其能够减少从光传感器输出的信号的失真,以输出正确的测量值,以及使用其的有机发光显示器。 有机发光显示器包括形成在透明基板上以响应于扫描信号和数据信号显示图像的像素单元,产生扫描信号以将扫描信号传输到像素单元的扫描驱动器,产生数据的数据驱动器 用于将数据信号发送到像素单元的信号;以及光传感器,包括感测环境光的亮度的感测单元以输出感测信号;以及控制单元,用于接收感测信号,以输出用于控制图像亮度的亮度控制信号 。 感测单元设置在透明基板的预定区域中,并且包括接收第一驱动电源以产生光电流的第一光电二极管,使得响应于环境光的亮度来控制光电流的大小,第一 用于存储光电流的电容器,以及耦合在第一驱动电源和第一光电二极管之间以执行开关操作的第一开关。

    TOUCH PANEL DRIVING CIRCUIT REMOVING CURRENT DUE TO HEAT OF FINGER AND TOUCH PANEL COMPRISING THE SAME
    7.
    发明申请
    TOUCH PANEL DRIVING CIRCUIT REMOVING CURRENT DUE TO HEAT OF FINGER AND TOUCH PANEL COMPRISING THE SAME 有权
    触控面板驱动电路由于手指和包括其的触控面板的热而移除电流

    公开(公告)号:US20100012823A1

    公开(公告)日:2010-01-21

    申请号:US12502167

    申请日:2009-07-13

    IPC分类号: H01J40/14

    CPC分类号: G06F3/042

    摘要: Provided is a driving circuit of a photosensing touch panel including: a first photodiode coupled between a first voltage source and a sensing node and for generating a first current in accordance with a brightness of an external incident light and a heat of a finger; a second photodiode coupled between the sensing node and a second voltage source and for generating a second current in accordance with the heat of the finger, the second photodiode being shielded from the external incident light; and an amplifier circuit for detecting the brightness of the external incident light regardless of the heat of the finger by subtracting the second current from the first current at the sensing node.

    摘要翻译: 提供了一种感光触摸面板的驱动电路,包括:耦合在第一电压源和感测节点之间的第一光电二极管,用于根据外部入射光的亮度和手指的热量产生第一电流; 第二光电二极管,耦合在所述感测节点和第二电压源之间,并且用于根据所述手指的热量产生第二电流,所述第二光电二极管屏蔽所述外部入射光; 以及放大器电路,用于通过从感测节点处的第一电流减去第二电流来检测外部入射光的亮度,而不管手指的热量。

    Organic light emitting display and method of driving the same
    8.
    发明授权
    Organic light emitting display and method of driving the same 有权
    有机发光显示器及其驱动方法

    公开(公告)号:US09437134B2

    公开(公告)日:2016-09-06

    申请号:US12773658

    申请日:2010-05-04

    IPC分类号: G06F3/038 G09G3/32

    摘要: An organic light emitting display is capable of reducing power consumption. The organic light emitting display includes a scan driver for sequentially supplying scan signals to scan lines, a data driver for supplying data signals to data lines in synchronization with the scan signals, pixels located at crossing regions of the scan lines and the data lines, a timing controller for determining a normal driving mode for displaying a normal image and a standby driving mode displaying less information than the normal image, and a power source for supplying a first power and a second power to the pixels, wherein a voltage difference between the first power and the second power in the normal driving mode is a first voltage, and a voltage difference between the first power and the second power is a second voltage different from the first voltage.

    摘要翻译: 有机发光显示器能够降低功耗。 有机发光显示器包括扫描驱动器,用于将扫描信号顺序地提供给扫描线;数据驱动器,用于与扫描信号同步地将数据信号提供给数据线;扫描线和数据线的交叉区域处的像素; 定时控制器,用于确定用于显示正常图像的正常驱动模式和显示比普通图像少的信息的待机驱动模式;以及用于向所述像素提供第一功率和第二功率的电源,其中,所述第一 功率和正常驱动模式中的第二功率是第一电压,并且第一功率和第二功率之间的电压差是不同于第一电压的第二电压。

    Flat panel display integrated with touch screen panel
    9.
    发明授权
    Flat panel display integrated with touch screen panel 有权
    平板显示器与触摸屏面板集成

    公开(公告)号:US09323372B2

    公开(公告)日:2016-04-26

    申请号:US12801795

    申请日:2010-06-25

    IPC分类号: G06F3/045 G06F3/044 G06F3/041

    摘要: A FPD integrated with a touch screen panel includes an upper substrate and a lower substrate facing each other, the upper substrate including a display region and first and second non-display regions surrounding the display region, a plurality of sensing patterns on the display region of the upper substrate, a plurality of sensing lines on the first non-display region of the upper substrate, a sealing material on the second non-display region of the upper substrate, the sealing material connecting the upper and lower substrates, and a flexible printed circuit (FPC) bonding pad unit on the second non-display region of the upper substrate, the FPC bonding pad unit including a plurality of bonding pads coupled to the plurality of sensing lines, the bonding pads including a transparent conductive material in regions overlapping the sealing material.

    摘要翻译: 与触摸屏面板集成的FPD包括上基板和下基板彼此面对,上基板包括显示区域和围绕显示区域的第一和第二非显示区域,多个感测图案在显示区域上 上基板,上基板的第一非显示区域上的多条感测线,上基板的第二非显示区域上的密封材料,连接上基板和下基板的密封材料以及柔性印刷 电路(FPC)接合焊盘单元,所述FPC接合焊盘单元包括耦合到所述多个感测线的多个接合焊盘,所述接合焊盘包括与所述多个感测线重叠的区域中的透明导电材料 密封材料。

    Light sensing circuit, method of driving the same, and touch panel including the light sensing circuit
    10.
    发明授权
    Light sensing circuit, method of driving the same, and touch panel including the light sensing circuit 有权
    光感测电路,驱动电路的方法以及包括光感测电路的触摸面板

    公开(公告)号:US08289298B2

    公开(公告)日:2012-10-16

    申请号:US12568931

    申请日:2009-09-29

    IPC分类号: G06F3/042

    CPC分类号: G06F3/0412 G06F3/042

    摘要: A light sensing circuit, a method of driving the same, and a touch panel including the light sensing circuit, the light sensing circuit including a photodiode generating current according to the brightness of light incident from the outside; a driving transistor having a first electrode to which a first power voltage is applied, a second electrode, and a gate electrode electrically connected to a cathode of the photodiode; a first reset transistor having a first electrode to which an initialization voltage is applied, a second electrode connected to the gate electrode of the driving transistor, and a gate electrode to which a previous scan signal is applied; and a shielding capacitor disposed between the gate electrode of the driving transistor and the cathode of the photodiode. Accordingly, the brightness of light incident on the photodiode can be accurately determined by initializing the cathode of the photodiode by using a constant voltage.

    摘要翻译: 光感测电路,其驱动方法以及包括光感测电路的触摸面板,所述光感测电路包括根据从外部入射的光的亮度产生电流的光电二极管; 具有施加有第一电源电压的第一电极的驱动晶体管,与所述光电二极管的阴极电连接的第二电极和栅电极; 第一复位晶体管,具有施加初始化电压的第一电极,连接到驱动晶体管的栅电极的第二电极和施加了先前扫描信号的栅电极; 以及设置在驱动晶体管的栅电极和光电二极管的阴极之间的屏蔽电容器。 因此,通过使用恒定电压初始化光电二极管的阴极,可以准确地确定入射到光电二极管上的光的亮度。