An optical system, including: (a) an emitter array including a plurality of individual emitters, wherein each emitter in the emitter array is operable to emit a light beam which is characterized by a native beam width; (b) an optical subunit, operable to transform a plurality of light beams emitted by the emitter array, wherein each of the transformed light beams is characterized by an expanded beam width that is wider than the native beam width of the corresponding light beam and is wider than a facilitating beam width; and (c) a diffractive optical element that is capable of diffracting the transformed light beams to provide light patterns whose angular resolution meets a light pattern target angular resolution criteria.

A synthetic image display device includes: a beam projector configured to project a first image; a screen on which the first image projected from the beam projector is formed; and a transparent display panel disposed so as to face the screen and configured to display a second image to be combined and viewed with the first image formed on the screen, the transparent display panel being formed with a pinhole for penetration of light in each pixel so that the first image penetrates and is viewed through the transparent display panel.

An optical system, including: (a) an emitter array including a plurality of individual emitters, wherein each emitter in the emitter array is operable to emit a light beam which is characterized by a native beam width; (b) an optical subunit, operable to transform a plurality of light beams emitted by the emitter array, wherein each of the transformed light beams is characterized by an expanded beam width that is wider than the native beam width of the corresponding light beam and is wider than a facilitating beam width; and (c) a diffractive optical element that is capable of diffracting the transformed light beams to provide light patterns whose angular resolution meets a light pattern target angular resolution criteria.

The disclosure discloses a displacement-type scanning stereoscopic display apparatus including: a protective shell, projection screens, light shielding cases, two rotary shafts, conveyor belts, at least two scattering plates; and the rotary shaft is uniformly rotated at a high speed, the scattering plates fixed on the conveyor belt periodically receives image slices projected from the projection screens, and when the scattering plates are moved from one of the rotary shaft positions to the other rotary shaft position, a scanning display of the image slice corresponding to the stereoscopic image is completed. According to the embodiment of the disclosure, by the rotation of the rotary shaft, the moving screen can be moved uniformly, and the display effect and the service life of the stereoscopic display apparatus can be remarkably improved.

A lensed display system includes a projector configured to project an image. The lensed display system includes a lens formed of a glass or crystalline material. The lens includes a first surface, wherein at least a portion of the first surface includes a coating that is configured to display the projected image. The lens includes a second surface, wherein the second surface comprises a transparent curved surface that is configured to face toward a user and to enable the user to view the image projected onto the coating through the transparent curved surface.

An aerial image display device is capable of changing a depth of a virtual image viewed by an observer without changing a distance between at least one display device and an optical element forming the virtual image. The aerial image display device includes a display device, optical elements, and a reflecting member. The optical elements are installed corresponding to different display regions of a display surface of the display device and sequentially arranged along the display surface in an observation direction of an observer. The optical element is installed obliquely with an angle of about 45 in a X direction when viewed from the display surface of the display device. The optical element is installed obliquely with an angle of about 45 in an X direction when viewed from the display surface of the display device.

An aerial image display device is capable of changing a depth of a virtual image viewed by an observer without changing a distance between at least one display device and an optical element forming the virtual image. The aerial image display device includes a display device, optical elements, and a reflecting member. The optical elements are installed corresponding to different display regions of a display surface of the display device and sequentially arranged along the display surface in an observation direction of an observer. The optical element is installed obliquely with an angle of about 45 in a X direction when viewed from the display surface of the display device. The optical element is installed obliquely with an angle of about 45 in an X direction when viewed from the display surface of the display device.

A system for illuminating a spatial augmented reality object includes an augmented reality object including a projection surface having a plurality of apertures formed through the projection surface. The system further includes a lenslets layer including a plurality of lenslets and conforming to curved regions of the of the projection surface for directing light through the apertures. The system further includes a camera for measuring ambient illumination in an environment of the projection surface. The system further includes a projected image illumination adjustment module for adjusting illumination of a captured video image. The system further includes a projector for projecting the illumination adjusted captured video image onto the projection surface via the lenslets layer and the apertures.

A system for illuminating a spatial augmented reality object includes an augmented reality object including a projection surface having a plurality of apertures formed through the projection surface. The system further includes a lenslets layer including a plurality of lenslets and conforming to curved regions of the of the projection surface for directing light through the apertures. The system further includes a camera for measuring ambient illumination in an environment of the projection surface. The system further includes a projected image illumination adjustment module for adjusting illumination of a captured video image. The system further includes a projector for projecting the illumination adjusted captured video image onto the projection surface via the lenslets layer and the apertures.

An apparatus for generating a display medium includes a medium generating module arranged to selectively generate at least one portion of the display medium within a predetermined three-dimensional space, wherein the at least one portion of the display medium is arranged to receive an optical signal representing a visible image so as to display a portion or whole visible image within the predetermined three-dimensional space.