1. A display device, comprising: a display panel; and a display panel driver driving the display panel, wherein the display panel driver includes: a correction calculation section which performs correction calculations on input image data to generate saturation-enhanced output image data; a drive circuitry driving the display panel in response to the output image data; and a starting point control section, wherein the correction calculation section generates red (R) data of the output image data by performing a first correction calculation on R data of the input image data, generates green (G) data of the output image data by performing a second correction calculation on G data of the input image data, and generates blue (B) data of the output image data by performing a third correction calculation on B data of the input image data, and wherein the starting point control section controls a position of a starting point of a first input-output curve corresponding to an input-output relation of the first correction calculation; a position of a starting point of a second input-output curve corresponding to an input-output relation of the second correction calculation; and a position of a starting point of a third input-output curve corresponding to an input-output relation of the third correction calculation.