Display apparatus and method for displaying of image

PURPOSE: A display device and an image display method are provided to implement optimum picture quality according to the kind of an image signal, by changing a color gamut range of the display device adaptively according to an inputted image signal. CONSTITUTION: A signal input part (110) receives an image signal. A display panel part displays the inputted image signal. A judgment part (140) judges color gamut range of the inputted image signal. An adjustment part (150) adjusts the color gamut range of a display panel part on the basis of the judged color gamut range. An image compensation part (160) compensates color of the inputted image signal to the adjusted color gamut range of the display panel part. A control part (170) controls the display panel part so that the image signal is displayed with the adjusted color gamut range of the display panel part. [Reference numerals] (110) Signal input part; (120) Display panel part; (130) Operation part; (140) Judgment part; (150) Adjustment part; (160) Image compensation part; (170) Control part