An image output device of the disclosure facilitates enlargement of a stereoscopic image and includes a spatial light modulator, an image irradiation unit, and an address light irradiation unit. The spatial light modulator includes a main surface, a back surface, and pixels, reflects light emitted to the main surface, and modulates a phase of the light for each pixel. The image irradiation unit irradiates the main surface with light including an optical image. The address light irradiation unit irradiates the back surface with address light including a diffraction grating pattern. Each pixel of the spatial light modulator changes a phase modulation amount according to the intensity of the address light from a back surface. The address light irradiation unit dynamically change a diffraction grating pattern's direction on the back surface. The image irradiation unit irradiates the main surface with the optical image corresponding to the diffraction grating pattern's direction.

A three-dimensional (3D) display system may include a peg array of multiple pegs. Each peg may be individually addressable and designed to move along one or more axes. The 3D display system may also include an induction array having multiple electromagnetic coils to generate electromagnetic fields. The electromagnetic fields may induce magnetic forces upon at least one peg to cause the peg to move along an axis into an actuated position. The 3D display may also include a display screen to be distended into a 3D topography via contact with at least one peg in the actuated position.

Provided is a stereoscopic surface display device including a stereoscopic display unit having a cell area, wherein the stereoscopic display unit includes a first flexible layer, a first optical waveguide and a first optical output unit in the first flexible layer, wherein the first optical output unit are disposed in the cell area, a first light source disposed on a side of the stereoscopic display unit, wherein the first optical waveguide connects the first light source and the first optical output unit, a first photothermal response layer on the first flexible layer, wherein the first photothermal response layer is configured to receive output light emitted from the first optical output unit and emit thermal energy, and a shape deformation layer on the first photothermal response layer, wherein the shape deformation layer is configured to generate bending deformation by receiving the thermal energy from the first photothermal response layer.

Provided is a stereoscopic surface display device including a stereoscopic display unit having a cell area, wherein the stereoscopic display unit includes a first flexible layer, a first optical waveguide and a first optical output unit in the first flexible layer, wherein the first optical output unit are disposed in the cell area, a first light source disposed on a side of the stereoscopic display unit, wherein the first optical waveguide connects the first light source and the first optical output unit, a first photothermal response layer on the first flexible layer, wherein the first photothermal response layer is configured to receive output light emitted from the first optical output unit and emit thermal energy, and a shape deformation layer on the first photothermal response layer, wherein the shape deformation layer is configured to generate bending deformation by receiving the thermal energy from the first photothermal response layer.

A space three-dimensional imaging apparatus and a space three-dimensional imaging method are provided. The space three-dimensional imaging apparatus includes a transparent display device, a rotation motor and a processor. The transparent display device has at least one display plane. The rotation motor is configured to drive the transparent display device to rotate along an axis. The processor is coupled to the transparent display device and the rotation motor, and configured to retrieve a three-dimensional virtual image, cut multiple cutting images adapted to be displayed at multiple locations of each display plane after a rotation from the three-dimensional virtual image, and calculate a current location of each display plane during the rotation according to the driving of the rotation motor to control the transparent display device to display the cutting image corresponding to the current location on each display plane.

A space three-dimensional imaging apparatus and a space three-dimensional imaging method are provided. The space three-dimensional imaging apparatus includes a transparent display device, a rotation motor and a processor. The transparent display device has at least one display plane. The rotation motor is configured to drive the transparent display device to rotate along an axis. The processor is coupled to the transparent display device and the rotation motor, and configured to retrieve a three-dimensional virtual image, cut multiple cutting images adapted to be displayed at multiple locations of each display plane after a rotation from the three-dimensional virtual image, and calculate a current location of each display plane during the rotation according to the driving of the rotation motor to control the transparent display device to display the cutting image corresponding to the current location on each display plane.

A display device for presenting 3D images is disclosed. The display device includes: a display assembly; a hollow housing assembly, wherein the display assembly is disposed in the housing assembly; a motor connected to the display assembly and configured to drive the display assembly to rotate; and a driving assembly connected to the display assembly and configured to drive the display assembly to display images, wherein the driving assembly includes a wireless power transmission structure and a wireless power reception structure, wherein the wireless power transmission structure is independent from the display assembly and wiredly connected to a first driving power supply, and the wireless power reception structure is wiredly connected to the display assembly and capable of delivering power to the wireless power reception structure by electromagnetic mutual inductance.

A rotating display, for creating a three-dimensional image, that includes a display panel configured to rotate about an axis and comprising a plurality of groups of light emitting elements, with each element being individually controllable and configured to display a plurality of pixels of the image, a processor to receive pixel data for the display panel and divide the data into a plurality of pixel data lines, each line comprising pixel data for only one of the groups of light emitting elements, a buffer to receive one or more of the data lines, for each group of light emitting elements, and a demultiplexer configured to receive a pixel data line and provide pixel data to each light emitting element according to a refresh rate of the display panel. The display panel is configured to rotate about the axis at a rate commensurate with the refresh rate of the display panel.

A method includes capturing a plurality of different views of a real-world object with a plurality of image capture devices, and generating a visual representation of the real-world object in three physical dimensions by displaying images on a transparent display device that continuously rotates completely around an axis of rotation. The images displayed on the transparent display device are selected based on the plurality of different views of the real-world object. A system includes a plurality of image capture devices arranged to capture a plurality of different views of a real-world object, a transparent display device configured to continuously rotate completely around an axis of rotation, and a processor based apparatus. A storage medium storing one or more computer programs is also provided.

A rotary display device includes a display module, a rotating shaft, a transmission apparatus, an acquisition apparatus and a control apparatus. The transmission apparatus is configured to drive the display module to rotate with the rotating shaft. The control apparatus is configured to: receive information of picture(s), acquired by the acquisition apparatus, of an outside of the display module and determine whether a picture includes face figure(s); if no face figure is included in the picture, control the display module to display images in a first condition; if the face figure(s) are included in the picture, control the display module to display images in a second condition. A second refresh rate in the second condition is greater than a first refresh rate in the first condition, and a second color depth in the second condition is greater than a first color depth in the first condition.