Display device and driving method of the same

摘要

A display device includes: a display panel including scan lines, data lines, and color pixels located at crossing regions of the scan lines and the data lines, each of the color pixels including a driving transistor, the color pixels including first color pixels, second color pixels, and third color pixels; a scan driver configured to transfer a scan signal; a data driver configured to transfer an image data signal; an initialization voltage controller configured to set different initialization voltages for each pixel during each frame according to a threshold voltage deviation for the driving transistor of each pixel and calculate the initialization voltages including first, second, and third initialization voltages corresponding to the plurality of color pixels; an initialization voltage driver configured to apply the calculated first, second, and third initialization voltages; and a signal controller configured to generate and transfer a control signal and the image data signals.

主权项

1. A display device, comprising:
a display panel comprising:
a plurality of scan lines;a plurality of data lines; anda plurality of color pixels located at crossing regions of the scan lines and the data lines, each of the color pixels comprising a driving transistor, the color pixels comprising:
a plurality of first color pixels;a plurality of second color pixels; anda plurality of third color pixels; a scan driver configured to transfer a plurality of scan signals to the plurality of scan lines connected to corresponding ones of the color pixels; a data driver configured to transfer a plurality of image data signals to the plurality of data lines connected to corresponding ones of the color pixels; an initialization voltage controller configured to:
set different initialization voltages for each pixel of the plurality of color pixels during each frame in accordance with a threshold voltage deviation of the driving transistor of each pixel andcalculate the initialization voltages separately for each frame, the initialization voltages comprising:
a first initialization voltage corresponding to the plurality of first color pixels;a second initialization voltage corresponding to the plurality of second color pixels; anda third initialization voltage corresponding to the plurality of third color pixels; an initialization voltage driver configured to apply the calculated first, second, and third initialization voltages through a plurality of initialization voltage wires connected to each pixel of the display panel; and a signal controller configured to generate and to transfer:
the plurality of image data signals to the data driver; anda control signal to control operations of the scan driver, the data driver, and the initialization voltage controller.