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    • 9. 发明申请
    • DATA DRIVING CIRCUIT AND ORGANIC LIGHT EMITTING DISPLAY COMPRISING THE SAME
    • 数据驱动电路和包含该数据的有机发光显示器
    • US20080122819A1
    • 2008-05-29
    • US11945881
    • 2007-11-27
    • Gyu Hyeong ChoYong-Joon JeonYoung-Suk SonJin Yong JeonGun Ho Lee
    • Gyu Hyeong ChoYong-Joon JeonYoung-Suk SonJin Yong JeonGun Ho Lee
    • G09G5/00G09G3/30
    • G09G3/3283G09G3/3233G09G2300/0809G09G2310/0262G09G2320/029G09G2320/043G09G2320/045
    • Provided are a data driving circuit of an organic light emitting display and an organic light emitting display comprising the same. The organic light emitting display comprises a reference pixel controller, a data driver, and a display panel. The reference pixel controller comprises a light detector for detecting an amount of light emission of a reference pixel and outputting a first control signal thereof and a reference current controller for outputting a second control signal controlling an amount of a reference current according to the first control signal. The data driver comprises a current source for outputting a current having the same amount as the reference current according to the second control signal and a digital-analog converter for outputting a data current by scaling the current having the same amount as the reference signal to be proportioned to a data signal. The display panel formed of pixels, each of which comprises an organic light emitting device that emits light in accordance with the data current.
    • 提供有机发光显示器的数据驱动电路和包括该有机发光显示器的有机发光显示器。 有机发光显示器包括参考像素控制器,数据驱动器和显示面板。 参考像素控制器包括用于检测参考像素的发光量并输出其第一控制信号的光检测器和用于根据第一控制信号输出控制参考电流量的第二控制信号的参考电流控制器 。 数据驱动器包括用于根据第二控制信号输出与参考电流相同量的电流的电流源和用于通过将具有与参考信号相同量的电流进行缩放以输出数据电流的数模转换器 与数据信号成比例。 由像素形成的显示面板,每个像素包括根据数据电流发光的有机发光器件。