A circuit device, suitable for a head-up display device including a display panel and a backlight device having a plurality of light emitting elements, the circuit device comprising: a distortion correction circuit configured to perform distortion correction on input image data and output output image data after the distortion correction; and an image analysis circuit configured to analyze image data to be analyzed, which is the input image data or the output image data, and, based on an analysis result, perform backlight control processing to output a control signal for independently controlling the light emitting elements of the backlight device for turning off a light emitting element (LSb) corresponding to a display area (ARb) that becomes transparent when projected by the head-up display device among a plurality of display areas (Ara, Arb) corresponding to the plurality of light emitting elements in the display panel, characterized in that: the distortion correction circuit includes a coordinate counter configured to count pixel coordinates (GZB; GZA2) of the image data to be analyzed, and the image analysis circuit is configured to determine the display area to which each pixel of the image data to be analyzed belongs among the plurality of display areas based on pixel coordinates output by the coordinate counter, and determine the display area that becomes transparent based on a determination result, wherein the image analysis circuit is configured to determine whether pixel data belonging to each display area of the plurality of display areas is transparent color data based on the pixel coordinates output by the coordinate counter and pixel data of the image data to be analyzed at the pixel coordinates, thereby determining whether each display area is the display area that becomes transparent, and wherein the image analysis circuit is configured to perform the image analysis in parallel with the distortion correction performed by the distortion correction circuit. a distortion correction circuit configured to perform distortion correction on input image data and output output image data after the distortion correction; and an image analysis circuit configured to analyze image data to be analyzed, which is the input image data or the output image data, and, based on an analysis result, perform backlight control processing to output a control signal for independently controlling the light emitting elements of the backlight device for turning off a light emitting element (LSb) corresponding to a display area (ARb) that becomes transparent when projected by the head-up display device among a plurality of display areas (Ara, Arb) corresponding to the plurality of light emitting elements in the display panel, characterized in that: the distortion correction circuit includes a coordinate counter configured to count pixel coordinates (GZB; GZA2) of the image data to be analyzed, and the image analysis circuit is configured to determine the display area to which each pixel of the image data to be analyzed belongs among the plurality of display areas based on pixel coordinates output by the coordinate counter, and determine the display area that becomes transparent based on a determination result, wherein the image analysis circuit is configured to determine whether pixel data belonging to each display area of the plurality of display areas is transparent color data based on the pixel coordinates output by the coordinate counter and pixel data of the image data to be analyzed at the pixel coordinates, thereby determining whether each display area is the display area that becomes transparent, and wherein the image analysis circuit is configured to perform the image analysis in parallel with the distortion correction performed by the distortion correction circuit. the distortion correction circuit includes a coordinate counter configured to count pixel coordinates (GZB; GZA2) of the image data to be analyzed, and the image analysis circuit is configured to determine the display area to which each pixel of the image data to be analyzed belongs among the plurality of display areas based on pixel coordinates output by the coordinate counter, and determine the display area that becomes transparent based on a determination result, wherein the image analysis circuit is configured to determine whether pixel data belonging to each display area of the plurality of display areas is transparent color data based on the pixel coordinates output by the coordinate counter and pixel data of the image data to be analyzed at the pixel coordinates, thereby determining whether each display area is the display area that becomes transparent, and wherein the image analysis circuit is configured to perform the image analysis in parallel with the distortion correction performed by the distortion correction circuit.