A head-up display apparatus configured to project a plurality of virtual images of which depths perceived by a user with respect to a virtual-image display unit disposed in front of the user are different from each other, the head-up display apparatus comprising: a first projection apparatus comprising a first display-light emitting unit configured to emit first display light, and a concave mirror configured to reflect the first display light and thereby emit reflected light thereof, the first projection apparatus being configured to enable the user to perceive a first virtual image by projecting the reflected light onto a virtual-image display unit; and a second projection apparatus comprising: a second display-light generation unit configured to let the reflected light pass therethrough and generate second display light different from the first display light, and an excitation-light emitting unit configured to project excitation light having a predetermined wavelength onto the second display-light generation unit (140,240), wherein: the second projection apparatus is configured to enable the user to perceive a second virtual image by projecting the generated second display light onto the virtual-image display unit, the second virtual image has an angle of view larger than that of the first virtual image, the second display-light generation unit contains a self-luminous material, and is configured to generate the second display light as the self-luminous material emits light by receiving the excitation light, and when the first projection apparatus adjusts the place where the first virtual image is displayed, by driving the concave mirror, the second projection apparatus adjusts the place where the second virtual image is displayed, by changing the direction of the projection of the excitation light, according to the place where the first virtual image is displayed. a first projection apparatus comprising a first display-light emitting unit configured to emit first display light, and a concave mirror configured to reflect the first display light and thereby emit reflected light thereof, the first projection apparatus being configured to enable the user to perceive a first virtual image by projecting the reflected light onto a virtual-image display unit; and a second projection apparatus comprising: a second display-light generation unit configured to let the reflected light pass therethrough and generate second display light different from the first display light, and an excitation-light emitting unit configured to project excitation light having a predetermined wavelength onto the second display-light generation unit (140,240), wherein: the second projection apparatus is configured to enable the user to perceive a second virtual image by projecting the generated second display light onto the virtual-image display unit, the second virtual image has an angle of view larger than that of the first virtual image, the second display-light generation unit contains a self-luminous material, and is configured to generate the second display light as the self-luminous material emits light by receiving the excitation light, and when the first projection apparatus adjusts the place where the first virtual image is displayed, by driving the concave mirror, the second projection apparatus adjusts the place where the second virtual image is displayed, by changing the direction of the projection of the excitation light, according to the place where the first virtual image is displayed. the second projection apparatus is configured to enable the user to perceive a second virtual image by projecting the generated second display light onto the virtual-image display unit, the second virtual image has an angle of view larger than that of the first virtual image, the second display-light generation unit contains a self-luminous material, and is configured to generate the second display light as the self-luminous material emits light by receiving the excitation light, and when the first projection apparatus adjusts the place where the first virtual image is displayed, by driving the concave mirror, the second projection apparatus adjusts the place where the second virtual image is displayed, by changing the direction of the projection of the excitation light, according to the place where the first virtual image is displayed.