ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME

The invention relates to an organic light emitting display device and a method of driving the same. The organic light emitting display device includes: a display part comprising a plurality of pixel circuits, a pixel circuit from among the pixel circuits comprising: an organic light emitting diode; and a first transistor, the first transistor comprising a first electrode configured to receive a power source voltage and a second electrode connected to the organic light emitting diode; an initial voltage determiner configured to change a level of an initial voltage using image data of a frame; asensor configured to apply the initial voltage to the second electrode of the first transistor; and a data driver configured to apply a data voltage to the control electrode of the first transistor. 本发明涉及有机发光显示设备及其驱动方法。该有机发光显示设备包括：显示部分，包括多个像素电路，该多个像素电路中的像素电路包括有机发光二极管以及第一晶体管，该第一晶体管包括被配置为接收电源电压第一电极以及被连接到有机发光二极管的第二电极；初始电压确定器，被配置为使用帧的图像数据来改变初始电压的电平；感测器，被配置为将初始电压施加到第一晶体管的第二电极；以及数据驱动器，被配置为将数据电压施加到第一晶体管的控制电极。