Abstract: An aerial image projector includes a first reflective element, a second reflective element, a first optical element, a first display device, and a second display device. The first reflective element transmits, in a second direction, a part of first image light traveling in a first direction, reflects, in a third direction, a part of second image light traveling in the second direction, and transmits, in the third direction, a part of third image light traveling in a fourth direction. The second reflective element retroreflects the first image light transmitted through the first reflective element as the second image light. The first optical element is between the first reflective element and the second reflective element and collects the first image light and the second image light. The first display device emits the first image light. The second display device emits the third image light.

Abstract: The device (3) includes a display panel (6), a shutter panel (7), and a controller (8). The display panel (6) includes subpixels for displaying a parallax image including a first image and a second image having parallax between the images. The shutter panel (7) is configured to define a traveling direction of image light representing the parallax image from the display panel (6). The controller (8) is configured to change, in a certain time cycle, areas on the shutter panel in a light transmissive state to transmit the image light with at least a certain transmittance and areas in a light attenuating state to transmit the image light with a transmittance lower than the transmittance in the light transmissive state, and is configured to change the subpixels to display the first image and the second image based on positions of the areas in the light transmissive state.

Abstract: A head-up display includes a display panel, a reflective optical element, a controller, and an obtainer. The display panel displays a first image. The reflective optical element reflects image light from the first image displayed by the display panel. The controller controls a position at which the first image is displayed on the display panel. The obtainer obtains, as positional information, a position of an eye of a user. The controller changes the position at which the first image is displayed on the display panel in accordance with the positional information.

Abstract: A three-dimensional display device includes a display, a barrier, and a controller. The display displays a parallax image including a right-eye viewing image and a left-eye viewing image. The barrier defines a traveling direction of image light of the parallax image. The controller causes a black image to appear between the right-eye viewing image and the left-eye viewing image based on a parallax value of the parallax image.

Abstract: A three-dimensional display device includes a display panel, an optical element, a detector, and a controller that controls the display panel to display a composite of a first image and a second image based on a detected position of one eye of a first eye or a second eye. The controller performs a first shift process of shifting an active area outward to increase a shift amount by one subpixel, a second shift process of shifting a boundary in the first shift process by one subpixel in response to one eye of the first eye or the second eye moving by one subpixel, and a third shift process of shifting subpixels in a second cycle by one subpixel and shifting the boundary by a number of subpixels in the first cycle.

Abstract: A three-dimensional display device includes a display panel that emits image light, a barrier panel overlapping the display panel in an optical path of the image light and including multiple shutter cells (S) switchable between a transmissive portion and a light-blocking portion, a position detector that detects a position of at least one of a first eye or a second eye of a viewer, and a controller that controls the display panel and the barrier panel. The controller calculates a cumulative error between a barrier pitch (Bp) and an image pitch (k) corresponding to positions of the first and second eyes of the viewer based on position detection information from the position detector, and controls, when a ratio of the calculated cumulative error to one dot is greater than a first ratio, the image pitch (k) to be greater by at least one dot to reduce the cumulative error.

Abstract: A three-dimensional display device includes a display panel, an optical element, an acquisition unit, and a controller. The display panel includes an active area. The optical element defines a light beam direction of image light emitted from the active area. The acquisition unit acquires a position of a first eye of a user and a position of a second eye of the user. The controller drives the active area to display the image mixture. The active area includes a plurality of subpixels. The controller determines a first visible region. The controller determines a second visible region. The controller determines a first subpixel based on the first visible region. The controller determines a second subpixel based on the second visible region. The controller drives a third subpixel which is the first subpixel and also is the second subpixel, to display a third image.

Abstract: A three-dimensional display device includes a display panel, a parallax barrier, an obtainer, and a controller. The controller assigns each of a plurality of subpixels to display a first image or a second image based on I+{L/(T×V)}, where I is a value indicating a displacement of each of a plurality of transmissive portions from a corresponding subpixel of the plurality of subpixels, L is a distance by which a first eye and a second eye move in a parallax direction, T is a switching cycle between the first image and the second image, and V is a number of variations of an index value indicating a position of switching between the first image and the second image in an active area.

Abstract: A display device of the disclosure is a display device to be mounted on a vehicle, and includes a display panel, a first input unit, a second input unit, a third input unit, and a controller. The first input unit is configured so as to acquire an engine rotation speed. The second input unit is configured so as to acquire a vehicle speed. The third input unit is configured so as to acquire a shift position of a transmission of a vehicle. The controller is configured so that a first image representing the engine rotation speed and one or more second images representing the vehicle speed are combined and a combined image is displayed on the display panel. The controller is configured so that switching of the second images is carried out based on the shift position.

Abstract: A head-up display and a movable body can display a virtual image viewable at a position nearer a user. The head-up display includes a display device that displays a first image and emits image light from the first image in a first direction, a first optical member located in the first direction from the display device, and a second optical member located between the display device and the first optical member in the first direction. The second optical member reflects the first image in a first plane direction and a second plane direction and displays a virtual image of the first image in a space between the first optical member and a user.

Abstract: A three-dimensional display device includes a liquid crystal panel, a first optical panel, and a second optical panel. The three-dimensional display device may further include a backlight and a controller. The first optical panel and the second optical panel define a traveling direction of incident light.

Abstract: A stereoscopic display controller includes a display device that displays a parallax image, an input unit that receives an input of a viewpoint position of a user, and a control unit that performs a composition process of merging a left image and a right image into a parallax image. The composition process includes a first composition process and a second composition process. The control unit outputs the parallax image to the display device, performs the first composition process based on frame intervals of the parallax image, and performs the second composition process in response to an input of the viewpoint position into the input unit.

Abstract: An image display device includes a display panel, a barrier panel, and a controller. The display panel is configured to be able to form a one or plural first display region and a one or plural second display region. The barrier panel is configured to be able to form a one or plural first barrier region and a one or plural second barrier region. The controller is configured to cause the display panel to display a portion located in the one or plural first display region as one parallax image frame including two sub-frames. The controller is configured to cause the display panel to display a portion located in the one or plural second display region as plane image frames. A frame rate of sub-frames included in the parallax image frame and a frame rate of the plane image frames are configured to be the same.

Abstract: A head-up display system includes a three-dimensional display device, an optical member, and an accelerometer. The three-dimensional display device includes a display panel, an optical element, and a controller. The display panel displays an image. The optical element defines a traveling direction of image light emitted from the display panel. The optical member reflects the image light from the three-dimensional display device toward a user's eye. The optical member is at a fixed position relative to the three-dimensional display device. The accelerometer detects acceleration of the three-dimensional display device. The controller controls a position of the image on the display panel based on the acceleration.

Abstract: A head-up display system includes a first projection module, a second projection module, and a first reflective optical element. The first projection module projects a first image. The second projection module projects a second image. The first reflective optical element reflects at least a part of the first image and at least a part of the second image. The first projection module includes a first display panel that displays the first image and projects the first image toward the first reflective optical element. The second projection module includes a second display panel that displays the second image, and an optical system that directs the second image toward the first reflective optical element.

Abstract: A head-up display includes a display panel, a parallax barrier, an optical system including a reflector and an optical member, and a controller. The optical system projects a virtual image of an image displayed by the display panel onto a virtual image plane. The controller controls the display panel such that first second images which have a parallax with each other are projected as a three-dimensional image in a field of view of the user, and a convergence angle at which the user views a point on the three-dimensional image is equal to or less than a maximum convergence angle which is greater by 0.43 degrees than a convergence angle for viewing a point on the virtual image plane and is equal to or greater than a minimum convergence angle which is less by 0.43 degrees than the convergence angle for viewing a point on the virtual image plane.

Abstract: An image display module includes a display that displays a parallax image projected to eyes of a user, a barrier that causes parallax between the eyes by defining a traveling direction of image light for the parallax image, and a controller that controls the display. The controller divides the display into a plurality of display control areas based on distortion of the parallax image projected, and controls, for each of the plurality of display control areas, a minimum repeat unit and an index for the parallax image.

Abstract: A head-up display system includes a three-dimensional display device, an optical member, and an accelerometer. The three-dimensional display device includes a display panel, an optical element, and a controller. The display panel displays an image. The optical element defines a traveling direction of image light emitted from the display panel. The optical member reflects the image light from the three-dimensional display device toward a user's eye. The optical member is at a fixed position relative to the three-dimensional display device. The accelerometer detects acceleration of the three-dimensional display device. The controller controls a position of the image on the display panel based on the acceleration.

Abstract: A detection device (50) includes an input device (30) and a detector (15). The input device (30) in the detection device (50) receives input of image information output from a camera (11). The detector (15) performs a detection process to detect positions of eyes (5a) of a user (13). The detector (15) performs, as the detection process, a first process to detect first positions of the eyes (5a) based on the image information by template matching, and a second process to detect a position of a face (5) based on the image information by template matching and detect second positions of the eyes (5a) based on the detected position of the face (5).

Abstract: A three-dimensional display device includes a display panel including an active area to display, in the active area, a composite image including a first image and a second image having parallax with respect to the first image, a parallax barrier that defines a traveling direction of image light emitted from the active area, a position obtainer that obtains a position of a first eye of a viewer and a position of a second eye of the viewer different from the first eye, and a controller that causes the active area to display the composite image based on the positions of the first and second eyes. The active area includes multiple subpixels. The controller divides a screen of the display panel into multiple areas each having a specific reference index, and changes a parallax image with respect to the reference index.