An image display device displays a stereoscopic image by using a parallax barrier method and includes a transmissive image display surface on which images of left-eye image data and right-eye image data are alternately displayed; an image forming unit including optical members having strip-shaped patterns with optical properties arranged on a surface located on a back surface side of the image display surface; and strip-shaped light sources arranged on an illumination arrangement surface, which is a surface located on a back surface side of the image forming unit, and configured to irradiate the image display surface with illumination light. A slit area of the parallax barrier method is formed by an image obtained by forming an image of the illumination light from the strip-shaped light sources on the back surface side of the image display surface by using the optical members of the image forming unit.

An image display device displays a stereoscopic image by using a parallax barrier method and includes a transmissive image display surface on which images of left-eye image data and right-eye image data are alternately displayed; an image forming unit including optical members having strip-shaped patterns with optical properties arranged on a surface located on a back surface side of the image display surface; and strip-shaped light sources arranged on an illumination arrangement surface, which is a surface located on a back surface side of the image forming unit, and configured to irradiate the image display surface with illumination light. A slit area of the parallax barrier method is formed by an image obtained by forming an image of the illumination light from the strip-shaped light sources on the back surface side of the image display surface by using the optical members of the image forming unit.

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.

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.

The present disclosure provides a display panel assembly and a display method thereof. The display panel assembly includes a display panel and a display switching device on a light outgoing surface of the display panel. The display switching device includes an electrode group and an electrochromic layer. The electrode group includes a first electrode and a second electrode. The first electrode and the second electrode are configured to receive voltage signals such that the electrochromic layer display switching device presents one of a transparent state for 2D display, a first pattern for auxiliary 3D display, or a second pattern for glasses-free 3D display.

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.

A three-dimensional display system includes a display panel, an optical element and a controller. The display panel includes an active area configured to display a parallax image. The optical element defines a light beam direction of the parallax image. The controller is configured to vary the parallax image based on positions of first and second eyes of the user. The optical element includes a plurality of optical means which are arranged in a parallax direction. The plurality of optical means extend along an inclination direction inclined to a reference direction with respect to a direction perpendicular to the parallax direction. The reference direction is defined, at least in a standard state, based on at least one of a position of the user in the parallax direction in an interior of the moving body and a position relative to the user of a predetermined facility mounted within the moving body.

A three-dimensional display system includes a display panel, an optical element and a controller. The display panel includes an active area configured to display a parallax image. The optical element defines a light beam direction of the parallax image. The controller is configured to vary the parallax image based on positions of first and second eyes of the user. The optical element includes a plurality of optical means which are arranged in a parallax direction. The plurality of optical means extend along an inclination direction inclined to a reference direction with respect to a direction perpendicular to the parallax direction. The reference direction is defined, at least in a standard state, based on at least one of a position of the user in the parallax direction in an interior of the moving body and a position relative to the user of a predetermined facility mounted within the moving body.

Some embodiments of an apparatus may include: a plurality of light sources, wherein each of the plurality of light sources is configured to emit a respective light beam; one or more diffractive layers; and an optical mask configured to be synchronized to an illumination of the respective light beams. Some embodiments of a method may include: emitting a light beam from each of a plurality of light emitting sources to generate a plurality of light beams; diffracting each of the plurality of light beams to generate a plurality of diffracted light beams; and synchronizing an optical mask to the plurality of diffracted light beams.

A display device is switchable between 3D image display and 2D image display. The display device includes a first display panel, a second display panel, a controller, and an optical system. The first and second display panels each include subpixels arranged in a grid. The controller performs switching and/or is configured to perform switching between multiple display modes including a first display mode for displaying a 2D image and a second display mode for displaying a parallax image on the first display panel, and switches and/or is configured to switch a drive mode of the second display panel between multiple drive modes including a first drive mode corresponding to the first display mode and a second drive mode corresponding to the second display mode.