A head-up display comprising: a case main body which is formed with an opening part in a top plate; a combiner which is formed in a plate shape and is structured to be capable of closing the opening part; a combiner drive unit comprising: a drive device structured to turn a turnable shaft provided in the combiner to locate the combiner at a position where the combiner closes the opening part and a position where the combiner is stood up from the top plate; and a spring configured to urge the turnable shaft in a direction so that the combiner closes the opening part; and a projection unit structured to project an image toward the combiner when the combiner is stood up; wherein the combiner, the combiner drive unit and the projection unit are accommodated inside the case main body; wherein the combiner drive unit is integrally provided with a second turnable shaft so that a direction of an axial line of the second turnable shaft is parallel with the turnable shaft; wherein a bearing which turnably supports the second turnable shaft is provided in a base part fixed to the case main body so as to be turnable around the axial line with respect to the base part; wherein a first spring configured to urge the bearing with respect to the base part in a clockwise direction (or a counterclockwise direction) is provided between the base part and the bearing; and wherein a second spring configured to urge the combiner drive unit with respect to the bearing in the counterclockwise direction (or the clockwise direction) is provided between the bearing and the combiner drive unit. a case main body which is formed with an opening part in a top plate; a combiner which is formed in a plate shape and is structured to be capable of closing the opening part; a combiner drive unit comprising: a drive device structured to turn a turnable shaft provided in the combiner to locate the combiner at a position where the combiner closes the opening part and a position where the combiner is stood up from the top plate; and a spring configured to urge the turnable shaft in a direction so that the combiner closes the opening part; and a drive device structured to turn a turnable shaft provided in the combiner to locate the combiner at a position where the combiner closes the opening part and a position where the combiner is stood up from the top plate; and a spring configured to urge the turnable shaft in a direction so that the combiner closes the opening part; and a projection unit structured to project an image toward the combiner when the combiner is stood up; wherein the combiner, the combiner drive unit and the projection unit are accommodated inside the case main body; wherein the combiner drive unit is integrally provided with a second turnable shaft so that a direction of an axial line of the second turnable shaft is parallel with the turnable shaft; wherein a bearing which turnably supports the second turnable shaft is provided in a base part fixed to the case main body so as to be turnable around the axial line with respect to the base part; wherein a first spring configured to urge the bearing with respect to the base part in a clockwise direction (or a counterclockwise direction) is provided between the base part and the bearing; and wherein a second spring configured to urge the combiner drive unit with respect to the bearing in the counterclockwise direction (or the clockwise direction) is provided between the bearing and the combiner drive unit.