A display device for a vehicle, comprising: a self-luminous indicator which has a display screen with a plurality of light emitting pixel elements; an image information storage unit that stores image information for setting a gradation of each of the plurality of light emitting pixels, wherein first image information has a first display portion for fixedly displaying a given display pattern in a first display region, and a second display portion which is to be formed in a different display region from the first display portion and has lower brightness than the first display portion, characterized by a display time measuring unit that is adapted to measure a display time of the self-luminous indicator; and a brightness deterioration amount estimating unit that is adapted to estimate an amount of brightness deterioration of each of the plurality of light emitting pixel elements on the basis of the display time measured by the display time measurement unit; and a first display control unit configured to display the image information on the display screen of the self-luminous indicator with a brightness corresponding to an initial gradation which is lower than the gradation set by the image information stored in the image information storage unit; a second display control unit configured to display the image information on the display screen of the self-luminous indicator with a corrected gradation, which is obtained by correction from the initial gradation to the high gradation set by the image information stored in the image information storage unit, according to the amount of brightness deterioration estimated by the brightness deterioration amount estimating unit, wherein the second display control unit is adapted to translucently combine the image information with transmissive image information in which a portion corresponding to the first display portion G311) has certain transparency so as to have the corrected gradation such that the displayed brightness of the first display portion can be kept constant and to display the combined image on the self-luminous indicator. a self-luminous indicator which has a display screen with a plurality of light emitting pixel elements; an image information storage unit that stores image information for setting a gradation of each of the plurality of light emitting pixels, wherein first image information has a first display portion for fixedly displaying a given display pattern in a first display region, and a second display portion which is to be formed in a different display region from the first display portion and has lower brightness than the first display portion, characterized by a display time measuring unit that is adapted to measure a display time of the self-luminous indicator; and a brightness deterioration amount estimating unit that is adapted to estimate an amount of brightness deterioration of each of the plurality of light emitting pixel elements on the basis of the display time measured by the display time measurement unit; and a first display control unit configured to display the image information on the display screen of the self-luminous indicator with a brightness corresponding to an initial gradation which is lower than the gradation set by the image information stored in the image information storage unit; a second display control unit configured to display the image information on the display screen of the self-luminous indicator with a corrected gradation, which is obtained by correction from the initial gradation to the high gradation set by the image information stored in the image information storage unit, according to the amount of brightness deterioration estimated by the brightness deterioration amount estimating unit, wherein the second display control unit is adapted to translucently combine the image information with transmissive image information in which a portion corresponding to the first display portion G311) has certain transparency so as to have the corrected gradation such that the displayed brightness of the first display portion can be kept constant and to display the combined image on the self-luminous indicator.