The invention provides an eyewear device for transmitting a signal and a communication method thereof. The eyewear device comprises a receiving unit, a shutter and a transmitting unit. For example, the receiving unit is capable of receiving a synchronization signal, and the shutter performs an operation in response to the synchronization signal. Meanwhile, the transmitting unit transmits the synchronization signal to another eyewear device. By this way, each eyewear device is capable of receiving the synchronization signal, and re-transmits the synchronization signal to another eyewear device.

The present invention relates to a 3D image display device and includes an image display panel for displaying a 3D image, a control unit for controlling a viewpoint image, and a viewer position tracking system for determining the position of a viewer's pupil and transmitting positional information to the control unit, wherein the image display panel provides multiple viewpoints such as four or more viewpoints, and the intersection of the viewing zone for any one of the multiple viewpoints with the field of view of an adjacent viewpoint is at least 85% of the maximum brightness of one viewpoint.

A touch naked-eye 3D grating and a display device are disclosed. The naked-eye 3D grating includes a touch electrode structure between the upper substrate and the plate electrode, and the touch electrode structure includes a plurality of first touch sense lines and a plurality of second touch sense lines arranged to intersect with and insulated from each other, and includes touch electrodes located within the areas defined by adjacent two first touch sense lines and adjacent two second touch sense lines; each touch electrode creates a capacitor with the plate electrode so as to achieve the touch function by way of detecting the signal changes over the first touch sense line and the second touch sense line connected with the touch electrode. The display device includes the aforesaid touch naked-eye 3D grating. This touch naked-eye 3D grating simplifies the assembly configuration as well as its production process, thus reducing overall cost for manufacturing the assembly.

An illumination module for a display device is disclosed. The illumination module has a principal optical axis. The illumination module includes a light source, an image unit, a beam splitting unit, a first relaying unit and a second relaying unit. The beam splitting unit has a transmitting surface, a first reflective surface and a second reflective surface. The first reflective surface and the second reflective surface are disposed correspondingly to each other. The light source provides light to pass through the image unit and the beam splitting unit in sequence, one portion of the light forms a first light beam, one portion of the light forms a second light beam. The optical axes of the first and second light beams each has an offset with respect to the principal optical axis, and the first offset and the second offset have equivalent scalars and opposite offset directions.

A head mounted display includes first and second light source modules, a light reversely turning module, an image output module, first and second eyepiece modules, and a beam splitting mirror. The first and second light source modules are respectively configured to emit first and second lights. The image output module is configured to receive the first and second lights, generating first and second image lights with corresponding image information respectively. The light reversely turning module is optically coupled between the first light source module (or the second light source module) and the image output module, making a propagating direction of the first light (or the second light) in reverse to that of the first image light (or the second light). The beam splitting mirror is optically coupled between the image output module and the first/second eyepiece module, guiding the first/second image light into the first/second eyepiece module.

A three-dimensional display system and methods for forming 3D images are disclosed. In one version, a diffusion screen is formed at a predetermined location.sub.1 of a set of predetermined locations 1-n within an image chamber. The diffusion screen is illuminated with visible light indicative of a cross-sectional image.sub.1 of a set of a plurality of cross-sectional images 1-N of a three-dimensional image at the predetermined location.sub.1 within the image chamber. The diffusion screen is erased and the method is repeated for cross-sectional images 2-N and predetermined locations 2-n of the three-dimensional image at a scan rate sufficient to produce a representation of the three-dimensional image in the image chamber.

An integral image device comprises an image array of cells of an image plane. Each cell is an area of an image plane comprising image structures. The image structures are embossed and/or printed structures. The integral image device further comprises a focusing element array of focusing elements. The image array and the focusing element array are conformed. The array of focusing elements is provided at a distance from the array of cells that is close to a focal length of the focusing elements. The image structures comprise a basic image structure superimposed by an intensity adaptation. The basic image structures, when viewed through the focusing elements in a viewing direction, give rise to a scene of an integral image. The intensity adaptation is provided for giving intensity differences.

Systems, devices and methods are described including providing infrared (IR) laser radiation to a Digital Micromirror Device (DMD) array and using the DMD array to spatially modulate the IR laser radiation. The spatially modulated IR laser radiation may then be projected to form a voxel array where each voxel of the array represents to a volume of air wherein the IR laser radiation has been focused sufficiently to cause air to ionize. The voxel array may then be spatially rotated.

A viewing apparatus for producing a stereoscopic image for an observer, the viewing apparatus comprising: first and second video projectors for projecting respective ones of first and second video images of an object, the first and second images being different images which are one or both of spatially and angularly shifted in relation to the object so as to convey parallax between the images; a mirror arrangement comprising a concave mirror which receives light from the first and second video projectors, the mirror arrangement being located in relation to the first and second video projectors such that focussed images of the object are produced at the mirror arrangement; and a viewing lens for relaying exit pupils corresponding to each of the focussed images as reflected by the mirror arrangement to a viewing plane so as to be viewable at the respective eyes of the observer as a stereoscopic image without use of adapted eyewear; wherein the video projectors comprise first and second video displays which are driven by first and second video signals to display respective ones of the first and second video images, and first and second optical arrangements for focussing light from the respective images as displayed by the first and second displays to the mirror arrangement.

The present disclosure provides a display panel for glassless-type 3D display and an electronic device. The display panel includes an array substrate on which a plurality of rows of subpixels is arranged. The subpixels in each row include a first subpixel sequence and a second subpixel sequence arranged adjacent to each other in a row direction and corresponding to different views. The first subpixel sequence and the second subpixel sequence each include one subpixel or a plurality of subpixels arranged consecutively in the row direction. The first subpixel sequence is separated from the second subpixel sequence at a distance greater than or equal to a predetermined threshold in the row direction.