FIELD OF THE INVENTION

The subject matter herein generally relates to energy saving, particularly relates to a data driving circuit for a display apparatus.

BACKGROUND

Displays are widely used in electronic device as an inputting and outputting device, for communication with a user. Each display includes a display panel and a display driving circuit. The display panel includes a plurality of data lines and a plurality of scan lines intersecting the data lines. A plurality of pixel units are defined by the data lines and the scan lines. The display driving circuit is in a non-display region of the display. The driving circuit outputs different signals to the data lines and the scan lines for driving the display panel to display images. The data driving circuit converts N bits of digital signal into driving voltage to the corresponding pixel unit. When the signal of the data changes for different frames, such as from a low voltage level to a high voltage level, a power dissipation of the driving circuit increases, and a stand-by time of the display is reduced.

Therefore, there is room for improvement in the art.

