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    • 8. 发明申请
    • ORGANIC LIGHT EMITTING DIODE DISPLAY AND DRIVING METHOD THEREOF
    • 有机发光二极管显示及其驱动方法
    • US20080024526A1
    • 2008-01-31
    • US11770512
    • 2007-06-28
    • Chun-Seok KOByung-Sik KohSi-Duk Sung
    • Chun-Seok KOByung-Sik KohSi-Duk Sung
    • G09G5/10G09G3/00G09G3/32
    • G09G3/3233G09G3/2092G09G3/3291G09G2320/048G09G2320/08G09G2330/12
    • An organic light emitting diode (OLED) display and a method of driving the same are provided. The OLED display includes: a plurality of pixels arrayed in a matrix, each of which includes a switching transistor and a driving transistor; a plurality of data lines connected to the switching transistors, which transmit a data voltage to the pixels; a plurality of driving voltage lines that transmit a driving voltage to the driving transistors; a voltage generator that applies the driving voltage to the driving voltage lines; a current sensing unit that senses a driving current that flows from the voltage generator to the driving voltage lines; a gray voltage generator that generates a gray voltage depending on a change in the driving current; and a data driver that converts an input image signal into the data voltage on the basis of the gray voltage and applies the data voltage to the data lines.
    • 提供有机发光二极管(OLED)显示器及其驱动方法。 OLED显示器包括:排列成矩阵的多个像素,每个像素包括开关晶体管和驱动晶体管; 连接到开关晶体管的多个数据线,其将数据电压发送到像素; 将驱动电压传递给驱动晶体管的多个驱动电压线; 电压发生器,其将驱动电压施加到驱动电压线; 感测从电压发生器流向驱动电压线的驱动电流的电流感测单元; 灰色电压发生器,其根据驱动电流的变化产生灰色电压; 以及数据驱动器,其基于灰度电压将输入图像信号转换为数据电压,并将数据电压施加到数据线。