Driving Method of an Organic Light-Emitting Display Device

    公开(公告)号:US20180240410A1

    公开(公告)日:2018-08-23

    申请号:US15549553

    申请日:2017-02-17

    Abstract: A driving method of an organic light-emitting display device, the display device includes a plurality of sub-pixels, each of the sub-pixels includes a driving transistor, an organic light-emitting diode and a sense line connected to the driving transistor and the organic light-emitting diode, the method includes: detecting threshold voltages of driving transistors of the sub-pixels or turn-on voltages of organic light-emitting diodes of the sub-pixels by sense lines; calculating a first driving voltage of a data driving circuit or a second driving voltage applied to anodes of the organic light-emitting diodes according to all detected threshold voltages or detected turn-on voltages respectively; and based on the first driving voltage or the second driving voltage, applying data driving voltages and supply voltages to the sub-pixels.

    Method and apparatus for converting image from RGB signals to RGBY signals

    公开(公告)号:US09666162B2

    公开(公告)日:2017-05-30

    申请号:US14361483

    申请日:2013-09-24

    Inventor: Fei Yang Chen Zhang

    CPC classification number: G09G5/02 G09G2300/0452 G09G2340/06

    Abstract: A method provided by this disclosure may comprise: converting received RGB input signals into corresponding RGB luminance input values respectively; determining RGBY luminance output values according to a position relationship of corresponding point of the RGB luminance input values and regions formed by RGBY in a chromatic diagram respectively; and converting the determined RGBY luminance output values into corresponding RGBY output signals respectively and outputting the corresponding RGBY output signals.

    Shift register unit, gate driving apparatus and display device
    67.
    发明授权
    Shift register unit, gate driving apparatus and display device 有权
    移位寄存器单元,门驱动装置和显示装置

    公开(公告)号:US09495920B2

    公开(公告)日:2016-11-15

    申请号:US14361476

    申请日:2013-05-14

    Inventor: Fei Yang

    CPC classification number: G09G3/36 G09G3/3677 G09G2310/0286 G11C19/28

    Abstract: A shift register unit, a gate driving apparatus and a display device are configured to solve the problem that a bi-directional scan function can not be realized in the prior art. The shift register unit includes: a driving module, which is configured, in a forward scan, to control a signal at a pull-up node to be at a first level when a forward selection signal is at the first level or is changed from the first level to a second level, and to control the signal at the pull-up node to be at the second level when a reverse selection signal is at the first level; and is configured, in a reverse scan, to control the signal at the pull-up node to be at the first level when the reverse selection signal is at the first level or is changed from the first level to the second level, and to control the signal at the pull-up node to be at the second level when the forward selection signal is at the first level; and an output module configured to output a received clock signal (CLK) under the control of the signal at the pull-up node.

    Abstract translation: 移位寄存器单元,门驱动装置和显示装置被配置为解决现有技术中不能实现双向扫描功能的问题。 移位寄存器单元包括:正向扫描配置的驱动模块,用于当正向选择信号处于第一电平或者从第一电平变化时将上拉节点处的信号控制在第一电平 并且当反向选择信号处于第一电平时,将上拉节点处的信号控制在第二电平; 并且当反向选择信号处于第一电平或从第一电平变为第二电平时,以反向扫描配置为将控制上拉节点处的信号处于第一电平,并且控制 当正向选择信号处于第一电平时,上拉节点处的信号处于第二电平; 以及输出模块,被配置为在所述上拉节点处的所述信号的控制下输出接收到的时钟信号(CLK)。

    Pixel circuit having threshold voltage compensation and method for driving the same
    68.
    发明授权
    Pixel circuit having threshold voltage compensation and method for driving the same 有权
    具有阈值电压补偿的像素电路及其驱动方法

    公开(公告)号:US09355597B2

    公开(公告)日:2016-05-31

    申请号:US14342306

    申请日:2013-07-26

    Inventor: Fei Yang

    Abstract: The present disclosure relates to a field of display technology, and particularly to a pixel circuit and a method for driving the same. The pixel circuit includes a driving sub-circuit, a resetting sub-circuit, and a charging sub-circuit, wherein the driving sub-circuit includes a driving transistor, a first transistor, a third transistor, a first storage capacitor and a second storage capacitor; the resetting sub-circuit discharges the first storage capacitor and the second storage capacitor under the control of a first scan signal outputted from the first scan signal line; and the charging sub-circuit includes a fifth transistor and a sixth transistor. With the pixel circuit of the present disclosure, non-uniformity of driving transistors caused by threshold voltages of the driving transistors and an image sticking phenomenon caused by drifts of the threshold voltages of the driving transistors may be eliminated through the compensation; and the problem of non-uniform luminance among the light emitting devices in different pixel units of an Active Matrix Organic Light Emitting Diode Display caused by different threshold voltages of the driving transistors in the different pixel units may be avoided.

    Abstract translation: 本公开涉及显示技术领域,特别涉及一种像素电路及其驱动方法。 像素电路包括驱动子电路,复位子电路和充电子电路,其中驱动子电路包括驱动晶体管,第一晶体管,第三晶体管,第一存储电容器和第二存储器 电容器 复位子电路在从第一扫描信号线输出的第一扫描信号的控制下放电第一存储电容器和第二存储电容器; 并且充电子电路包括第五晶体管和第六晶体管。 利用本公开的像素电路,可以通过补偿消除由驱动晶体管的阈值电压引起的驱动晶体管的不均匀性和由驱动晶体管的阈值电压的漂移引起的图像残留现象; 并且可以避免由不同像素单元中的驱动晶体管的不同阈值电压引起的有源矩阵有机发光二极管显示器的不同像素单元中的发光器件中的不均匀亮度的问题。

    Method and device for image conversion from RGB signals to RGBW signals
    69.
    发明授权
    Method and device for image conversion from RGB signals to RGBW signals 有权
    从RGB信号到RGBW信号的图像转换的方法和装置

    公开(公告)号:US09317939B2

    公开(公告)日:2016-04-19

    申请号:US14355077

    申请日:2013-05-30

    Abstract: Provided are a method and device for image conversion from RGB signals to RGBW signals. The method includes the steps of converting RGB input signals as received into corresponding RGB luminance input values respectively; determining RGBW luminance output values respectively according to a position relationship between a corresponding point of the RGB luminance input values and regions divided by RGBW in a chromaticity diagram; and converting the determined RGBW luminance output values into corresponding RGBW output signals respectively and outputting the RGBW output signals.

    Abstract translation: 提供了用于从RGB信号到RGBW信号的图像转换的方法和装置。 该方法包括以下步骤:将接收到的RGB输入信号分别转换为相应的RGB亮度输入值; 根据RGB亮度输入值的对应点与色度图中由RGBW分割的区域之间的位置关系分别确定RGBW亮度输出值; 并将所确定的RGBW亮度输出值分别转换成相应的RGBW输出信号并输出​​RGBW输出信号。

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