Display device supporting a variable frame mode and electronic device including the same

A display device comprising:

• a display panel including a plurality of pixels;
• and
• a panel driver which drives the display panel based on input image data,
• wherein, in a variable frame mode in which the panel driver receives the input image data at a variable frame frequency, the panel driver selectively performs a data compensation operation or an initialization compensation operation based on a luminance of the display panel and a frequency change amount of the variable frame frequency, and
• wherein the panel driver outputs first blank data voltages in a blank period of a first frame period in which the data compensation operation is performed, and outputs second blank data voltages, which are different from the first blank data voltages, in a blank period of a second frame period in which the initialization compensation operation is performed.

An electronic device comprising:

• a processor which provides input image data at a variable frame frequency in a variable frame mode;
• and
• a display device comprising:
• a display panel including a plurality of pixels;
• and
• a panel driver which drives the display panel based on the input image data,
• wherein, in the variable frame mode, the panel driver selectively performs a data compensation operation or an initialization compensation operation based on a luminance of the display panel and a frequency change amount of the variable frame frequency.