An aerial display apparatus includes: a display device configured to display an image; an optical device configured to allow light from the display device to be transmitted therethrough, and configured of a transparent material; and a mirror device configured to reflect light from the optical device and display an image in an aerial space on a side opposite to the optical device. The optical device includes a first optical member having a first thickness and a second optical member having a second thickness greater than the first thickness.

Methods, apparatus, devices, and systems for three-dimensional (3D) displaying objects are provided. In one aspect, a method includes obtaining data including respective primitive data for primitives corresponding to an object, determining an electromagnetic (EM) field contribution to each element of a display for each of the primitives by calculating an EM field propagation from the primitive to the element, generating a sum of the EM field contributions from the primitives for each of the elements, transmitting to each of the elements a respective control signal for modulating at least one property of the element based on the sum of the EM field contributions, and transmitting a timing control signal to an illuminator to activate the illuminator to illuminate light on the display, such that the light is caused by the modulated elements of the display to form a volumetric light field corresponding to the object.

Methods, apparatus, devices, and systems for three-dimensional (3D) displaying objects are provided. In one aspect, a method includes obtaining data including respective primitive data for primitives corresponding to an object, determining an electromagnetic (EM) field contribution to each element of a display for each of the primitives by calculating an EM field propagation from the primitive to the element, generating a sum of the EM field contributions from the primitives for each of the elements, transmitting to each of the elements a respective control signal for modulating at least one property of the element based on the sum of the EM field contributions, and transmitting a timing control signal to an illuminator to activate the illuminator to illuminate light on the display, such that the light is caused by the modulated elements of the display to form a volumetric light field corresponding to the object.

A laser system for generation of three-dimensional (3D) colored images is based on semiconductor laser sources generating laser light at a plurality of wavelengths. The laser source for each basic color range (red, green and blue) is formed on a single chip. The chip can be an array of the distributed feedback lasers or an array of distributed Bragg reflector lasers, each of which generates laser light at its own wavelength, or a COMB laser generating laser light at a plurality of wavelengths.

All light illuminates a two-dimensional (2D) display, and the light transmitted through the display or reflected by the display at a given color range impinges on an optical unit, containing a first optical element, e.g., a lens or a mirror, the focal length of which is wavelength-sensitive. Light at different wavelengths forms 2D images at different depths. Then, once the images created by the display and the laser pulses at each wavelength are synchronized, all images of the given colored range are perceived by the human's eyes as a single 3D image of this color range.

To fuse 3D images in red, green and blue that are formed at different positions, an optical element, e. g., a lens or a mirror is employed, the focal length of which is adjustable by mechanical motion, or deformation, or applying an electro-optic effect in an electric field. This optical element can be either the same first element with the wavelength-dependent focal length, or a different element. Then, once the light is switched between red, green and blue color ranges, the adjustable focal length of this element is adjusted such to compensate a change of the focal length of the first element, and the focal length of the entire optical unit is restored. Then the human's eyes average the perceived light and see a smoothly moving fully colored 3D image.

The present invention discloses a display for projecting images with the appearance of three dimensions. The display comprises a display housing, which includes a semi-circular window, and a display projection system which includes a media input device and a display monitor. The display monitor can be covered in a two-way film, and the window can be tinted, such that when images are transmitted to the display monitor through the media input device, that media images are reflected against the tinted window and appear to be floating in the semicylindrial space circumscribed by the window and display housing, which appears as a cylindrical space to an observer.

The present invention discloses a display for projecting images with the appearance of three dimensions. The display comprises a display housing, which includes a semi-circular window, and a display projection system which includes a media input device and a display monitor. The display monitor can be covered in a two-way film, and the window can be tinted, such that when images are transmitted to the display monitor through the media input device, that media images are reflected against the tinted window and appear to be floating in the semicylindrial space circumscribed by the window and display housing, which appears as a cylindrical space to an observer.

An infinity mirror includes a light-transmissible and reflective layer, a reflective layer, a light-transmissible layer and at least one light-emitting element. The light-transmissible and reflective layer is disposed on a top surface of the light-transmissible layer. The reflective layer is disposed on a bottom surface of the light-transmissible layer. The at least one light-emitting element emits a light beam. The light-transmissible layer includes a pattern zone and a non-pattern zone. There is a height difference between the pattern zone and the non-pattern zone of the light-transmissible layer. The infinity mirror can provide a multi-mirror image effect.

A display system can include a head-mounted display configured to project light to an eye of a user to display virtual image content at different amounts of divergence and collimation. The display system can include an inward-facing imaging system images the user's eye and processing electronics that are in communication with the inward-facing imaging system and that are configured to obtain an estimate of a center of rotation of the user's eye. The display system may render virtual image content with a render camera positioned at the determined position of the center of rotation of said eye.

To provide a display device that gives a viewer a strong stereoscopic effect or sense of depth in a two-dimensional image and a display device that gives a viewer a natural stereoscopic effect or sense of depth in a two-dimensional image, a display device including a frame portion and a display portion which has a display surface on a frame portion side and is located so as to be apart from the frame portion with a distance therebetween, in which the display portion overlaps with an opening of the frame portion, and an end portion of the display portion overlaps with the frame portion, is provided. In addition, a structure in which a corner of an inner frame of the frame portion has curvature or a structure in which the size of the inner frame of the frame portion is variable is added to the display device.

A holographic display system for a portable electronic device. The display system includes a case configured to receive the portable electronic device and a projector coupled to the case by a first hinge element. The projector includes a projector screen for generating images. A reflective element is coupled to the projector by a second hinge element. The reflective element is oriented to reflect light from the images in order to create holographic images perceptible to a user of the portable electronic device. The case may include a connector for receiving, from the portable electronic device, a video signal defining the images. The holographic display system may further include a substantially transparent touch screen attached to the first hinge element.