Digital driving method of OLED display device

A digital driving method of an OLED display device, comprising steps of:

• step 1, providing an OLED display device, and the OLED display device comprises a plurality of pixels aligned in array, and each pixel comprises a pixel driving circuit, and the pixel driving circuit comprises:
• a first thin film transistor, a second thin film transistor, a third thin film transistor, a storage capacitor and an organic light emitting diode;
• the second thin film transistor is employed to drive the organic light emitting diode, and the first thin film transistor is employed to charge a gate of the second thin film transistor, and the third thin film transistor is employed to discharge the gate of the second thin film transistor to make the gate of the second thin film transistor only at a highest or a lowest Gamma voltage level;
• step 2, providing data signals of at least two adjacent frames of image to an input front end data analysis module, and the input front end data analysis module analyzes the data signals of at least two adjacent frames of image;
• step 3, the OLED display device divides the data signals of each frame of image in the at least two adjacent frames of image into a plurality of subframes according to an order of display times, and adjusts an order of various colors outputted by the plurality of subframes corresponded with the data signals of each frame of image according to an analysis result of the data signals of at least two adjacent frames of image to eliminate flicker;
• wherein a gate of the first thin film transistor receives a scan drive signal, and a source receives a data signal, and a drain is electrically coupled to a first node;
• a gate of the second thin film transistor is electrically coupled to the first node, and a source is electrically coupled to a second node, and a drain receives a power source positive voltage;
• a gate of the third thin film transistor receives a discharge control signal, and a source is electrically coupled to the first node, and a drain receives a constant reference voltage level;
• one end of storage capacitor is electrically coupled to the first node, and the other end is electrically coupled to the drain of the second thin film transistor;
• an anode of the organic light emitting diode is electrically coupled to the second node, and a cathode receives a power source negative voltage;
• wherein the display times of the plurality of subframes of each frame of image are equal or different;
• wherein each time that each subframe is charged and discharged, the OLED display device adjusts the output order of various color components by controlling charge, discharge times of the respective subframes to the second thin film transistors in all the pixels;
• wherein the input front end data analysis module analyzes a change of the data signals in the at least two adjacent frames of image to obtain the analysis result;
• wherein an amount of the plurality of subframes corresponded with the data signal of each frame of image is not limited;
• a total light output is unchanged before and after the order of the various color components outputted by the plurality of subframes corresponded with the data signal of each frame of image.