Provided is a display device for a vehicle that can rapidly execute preparation completion for display of vehicle information. The display device for a vehicle is provided with a processing unit, a display, and a rotational drive unit that can rotate a reflector on a prescribed axis. The processing unit includes an estimating unit that estimates planned start of the vehicle by a crew, and when the vehicle is planned to be started, the angle of rotation of the rotational drive unit moves from an initial angle corresponding to an initial position (position of point of origin) of the reflector to a first intermediate angle (first stopping position) between the initial angle and a final angle corresponding to the normal operating position of the reflector. After the vehicle has been actually started, the angle of rotation of the rotational drive unit moves to a final angle from the first intermediate angle.

Provided is a head-up display device which has a virtual image plane shape becoming a part of a concave shape as viewed from the driver side. This head-up display device (30) includes: an image forming unit (10) that displays image information; and a projection optical system including an ocular optical system (5) that displays a virtual image by reflecting light emitted from the image forming unit (10). The ocular optical system (5) includes spherical lenses (51), (52), (53), and a free-form curved surface mirror (56), and is configured by arranging the spherical lenses (51), (52), (53) and the free-form curved surface mirror (56) in this order along the light emission direction.

A head-up display device is provided with: a combined light output unit which outputs combined light obtained by combining light emitted by a plurality of light sources which emit light having different wavelengths; and a heat dissipator which dissipates heat emitted by the light sources. The head-up display device displays a virtual image by means of the combined light. The plurality of light sources include a first light source which operates in a first operation guaranteed temperature band, and second light sources which operate in a second operation guaranteed temperature band having an upper limit higher than that of the first operation guaranteed temperature band. The first light source is provided in a location on the heat dissipator having a higher heat dissipation characteristic than the locations of the second light sources.

A display device for a vehicle includes: a display, a polarization switching unit, a reflector, and a controller. The polarization switching unit includes a wave plate that can cause emission light of the display to be emitted while changing a polarization direction thereof, and a drive device that can rotate the wave plate between a position of not using polarizing sunglasses and a position of using polarizing sunglasses. The controller rotates the wave plate within a prescribed range, detects luminance values for each fixed rotation angle of the wave plate within a prescribed range from imaging information of an imaging device that transmits a principal component of transmitted light of the wave plate at a position of the eye box, and sets, as a correction angle, a rotation angle of the wave plate corresponding to a maximum luminance value among the luminance values.

A vehicle pane for a head-up display having an outer face that faces external surroundings in the installed state and an inner face that faces a vehicle interior, includes at least one transparent pane; at least one masking strip in an edge region of the pane, and at least one reflection layer for reflecting light which is applied by printing, which is arranged in the region of the masking strip, on the vehicle-interior side of the masking strip.

A head-up display is configured to project an image on a transparent reflection member to cause an observer to visually recognize a virtual image, and includes a display device configured to display the image, and a projection optical system configured to project the image displayed by the display device as the virtual image for the observer. The projection optical system is configured to form an image as an intermediate image, and includes a first lens configured to condense light, and a first optical element configured to diffuse light. The first lens and the first optical element are disposed in this order along an optical path from the display device. The first lens is inclined with respect to a reference beam which is defined as a beam reaching a center of a viewpoint region of the observer and corresponding to a center of the virtual image.

A head-up display device and a transportation device are provided. The head-up display device includes a light source, a scanner configured to scan light emitted from the light source to form scanned light, an angle adjuster configured to change an exit angle of the scanned light, a display unit configured to form an image according to the scanned light from the angle adjuster, and a projection assembly configured to project the image formed on the display component to a selected area.

An operating system includes a display device having at least two planar display regions, which are arranged one behind the other in a viewing direction of an operator and extend transversely to the viewing direction. The operating system can be used to control a plurality of apparatuses of a vehicle.

A vehicle display device includes a housing to be mounted on a vehicle and having an opening, a display unit disposed inside the housing and configured to project a display image toward a reflection unit arranged in front of a driver seat through the opening, and a controller configured to cause the display unit to exhibit a range display that defines a maximum range for a display image, upon detection of information indicating a change in the viewpoint of a driver on the vehicle

A display device and a vehicle head-up display apparatus of the present disclosure include a substrate, light source devices, a transmission-type display panel, and an illumination optical system. The light source devices are disposed on the substrate. The illumination optical system guides illumination light from the light source devices to the display panel. The illumination optical system includes a first reflector, a quarter-wave plate, and a reflective polarizer. The first reflector is disposed at a different position on the substrate than the light source devices. The quarter-wave plate is disposed between the first reflector and the display panel. The reflective polarizer is disposed between the quarter-wave plate and the display panel.