Abstract: An example distance sensor includes a light projecting system to project a pattern of points of light onto an object. The light projecting system includes a laser light source to project coherent light and a diffractive optical element having a plurality of layers that are etched to form binary step patterns, wherein the plurality of layers is configured to split the coherent light into a plurality of beams of light, wherein each beam of light forms one point of the pattern, and wherein the plurality of layers is further configured to control divergence angles of the beams. The example distance sensor further includes a light receiving system to capture an image of the pattern projected onto the object and a processor to calculate a distance to the object based on an appearance of the pattern in the image and on knowledge of trajectories of the points of light.

Abstract: A pattern projector with multiple point light source includes a light source of multiple point source capable of providing plural laser dot light beams in a spherical wave form, a lens element and a diffractive optical element. Plural light dots are arranged to form an arrangement pattern of emitting light dots in a specific regularity. The arrangement pattern of emitting light dots is imaged and multiplied to form plural ones. The neighboring two arrangement patterns of emitting light dots are partially overlapped. Non-regularity without repeat and variety on the overlapped portions can be achieved by DOE design that may adjust different overlapping degrees and ways on the arrangement patterns of emitting light dots in a specific regularity.

Abstract: A pattern projector with multiple point light source includes a light source of multiple point source capable of providing plural laser dot light beams in a spherical wave form, a lens element and a diffractive optical element. Plural light dots are arranged to form an arrangement pattern of emitting light dots in a specific regularity. The arrangement pattern of emitting light dots is imaged and multiplied to form plural ones. The neighboring two arrangement patterns of emitting light dots are partially overlapped. Non-regularity without repeat and variety on the overlapped portions can be achieved by DOE design that may adjust different overlapping degrees and ways on the arrangement patterns of emitting light dots in a specific regularity.

Abstract: A stereoscopic display system including a display apparatus and an image guiding plate is provided. The display apparatus provides diverge images. The display apparatus includes a plurality of stereoscopic display unit groups. Each of the stereoscopic display unit groups includes at least one stereoscopic display unit. Each of the stereoscopic display units includes a plurality of pixel groups. In each of the stereoscopic display units, the pixel groups provide a plurality of image beams corresponding to parts of the diverge images. Different stereoscopic display units correspond to different parts of the diverge images. The image guiding plate is disposed on a transmission path of the image beams. The image guiding plate includes a plurality of optical structures arranged periodically, so as to respectively guide the image beams to a plurality of directions. Furthermore, an image display method of the foregoing stereoscopic display system is provided.

Abstract: A display apparatus including a display module, a variable parallax barrier module, and a control unit is provided. The display module is configured to provide a light beam. The variable parallax barrier module is disposed on a transmission path of the light beam. The variable parallax barrier module respectively forms a plurality of different parallax barrier patterns during different display periods of a frame time. Each of the parallax barrier patterns includes a plurality of light-transmissive regions and a plurality of light-shielding regions alternately arranged along an arrangement direction. In all of light-transmissive regions of the parallax barrier patterns, any two adjacent light-transmissive regions partially overlap each other. The control unit enables a plurality of display images displayed by the display module during the different display periods to respectively correspond to the parallax barrier patterns. A variable parallax barrier module and a displaying method are also provided.

Abstract: A display apparatus including an image module and a micro deflecting array is provided. The image module is configured to provide a plurality of image beams, wherein these image beams contain a plurality sets of image information of different viewing angles, and the micro deflecting array is disposed on the transmission paths of these image beams. The micro deflecting array has a plurality of micro deflecting units arranged in an array, and these micro deflecting units are grouped into a plurality of micro deflecting groups interlaced with each other, and these micro deflecting groups respectively deflect these image beams to a plurality of directions, and a distribution range of azimuth angles of these directions, with respect to an optical axis of the micro deflecting array, in a direction perpendicular to the optical axis of the micro deflecting array occupies at least a part of 360 degrees.

Abstract: A head mount personal computer (HMPC) and an interactive system using the same are provided. The provided HMPC includes a microprocessing unit, an output unit and an image capture unit with a distance detection function (ICWDD). The microprocessing unit is served as an operation core of the HMPC. The output unit is coupled to and controlled by the microprocessing unit, and configured to project an optical image onto a space. The ICWDD is coupled to and controlled by the microprocessing unit, and configured to capture operation gestures on the projected optical image from a user wearing the HMPC, such that the microprocessing unit correspondingly controls operations of the HMPC in response to the operation gestures on the projected optical image from the user.

Abstract: A display apparatus including a display module, a variable parallax barrier module, and a control unit is provided. The display module is configured to provide a light beam. The variable parallax barrier module is disposed on a transmission path of the light beam. The variable parallax barrier module respectively forms a plurality of different parallax barrier patterns during different display periods of a frame time. Each of the parallax barrier patterns includes a plurality of light-transmissive regions and a plurality of light-shielding regions alternately arranged along an arrangement direction. In all of light-transmissive regions of the parallax barrier patterns, any two adjacent light-transmissive regions partially overlap each other. The control unit enables a plurality of display images displayed by the display module during the different display periods to respectively correspond to the parallax barrier patterns. A variable parallax barrier module and a displaying method are also provided.

Abstract: A stereo display system including a plurality of projection apparatuses and a screen module is provided. The projection apparatuses project a plurality of image beams. The screen module is disposed in front of the projection apparatuses, wherein the image beams are transmitted toward the screen module. The screen module includes a light diffusion layer and a beam splitting layer. The light diffusion layer has at least one diffusion direction, and the light diffusion layer diffuses the image beams with a diffusion angle. The light diffusion layer is disposed between the beam splitting layer and the projection apparatuses, wherein each of the image beams is divided into a plurality of sub image beams by the beam splitting layer. The sub image beams of each image beam transmit with different angles, such that the image beams form a plurality of stereo image viewing zones after passing through the screen module.

Abstract: An image recombination structure is disclosed. The structure includes a plurality of image information layers and an optical element layer. The image information layers are laminated or overlapped to each other in a projecting direction of a light and are combined into an image. At least two image information of the image are formed on the image information layers respectively according to a color information and a lightness information of the image or according to a color model of the image to display the image by means of superposition. The optical element layer and the image information layers are overlapped in the projecting direction of the light.

Abstract: A stereo-image displaying apparatus includes a light-source module and an image displaying device. The light-source module has at least one light-emitting block. A light-source driving unit is coupled with the light-source module and the image displaying device. The light-emitting block is driven by the light-source driving unit to synchronously emit a light according to a displaying frequency of the image displaying device with a reduced light-emitting duty cycle. The cross-talk between stereo images is reduced by using the light emitted from the light-source module, synchronously associating with the image displaying device.

Abstract: A stereo display system including a plurality of projection apparatuses and a screen module is provided. The projection apparatuses project a plurality of image beams. The screen module is disposed in front of the projection apparatuses, wherein the image beams are transmitted toward the screen module. The screen module includes a light diffusion layer and a beam splitting layer. The light diffusion layer has at least one diffusion direction, and the light diffusion layer diffuses the image beams with a diffusion angle. The light diffusion layer is disposed between the beam splitting layer and the projection apparatuses, wherein each of the image beams is divided into a plurality of sub image beams by the beam splitting layer. The sub image beams of each image beam transmit with different angles, such that the image beams form a plurality of stereo image viewing zones after passing through the screen module.

Abstract: A miniaturized imaging module, a 3D display system using the same and an image arrangement method are disclosed. The 3D display system includes a plurality of multi-viewing zone miniaturized imaging modules and an image output module. The image output module is for editing, adjusting and distributing a multi-viewing zone image to the multi-viewing zone miniaturized imaging modules for display. Each multi-viewing zone miniaturized imaging module includes a housing, a projection unit and a viewing zone modulating screen. The projection unit and the viewing zone modulating screen are respectively disposed on two opposite sides inside the housing. In each multi-viewing zone miniaturized imaging module, the projection unit projects an image onto respective viewing zone modulating screen, and forms a plurality of viewing zones in front of the viewing zone modulating screen, wherein the image is a segmented image of an image composed of a plurality of images having different view-angles.

Abstract: A hybrid multiplexed 3D display and a displaying method thereof. The hybrid multiplexed 3D display includes an image display, a light source and an image splitter. The image display generates a view image. The light source sequentially generates light of multiple colors transmitted through the image display. The image splitter disposed above or below the image display causes image data, which is generated after the light is transmitted through the image display, to emit toward two or more than two view directions. Thus, the image viewed by a user has at least two views to achieve a stereoscopic visual effect.

Abstract: A stereoscopic display including a backlight module, a display panel, a light-controlling element and a switching element is provided. The backlight module includes a light source and a light guide plate. The light guide plate has a light incident surface and a light emitting surface. The light-controlling element is disposed between the display panel and the light guide plate. The light-controlling element includes a plurality of light-controlling surface groups. Each of the light-controlling surface groups has a first surface and a second surface opposite to each other. At least one of the first surface and the second surface inclines with respect to the light emitting surface by over 90 degrees. The switching element is configured to switch between a light transmitting mode and a light scattering mode.

Abstract: A projection auto-stereoscopic display includes an image projector (100) and a stereo screen (200). The image projector (100) projects image. The image includes multiple viewing-zone pictures. The stereo screen (200) receives the image and reflects the image. The stereo screen (200) includes a linear polarizer (202), for receiving the image projected thereon and filtering the image in polarization. A first micro-retarder layer (204) is attached behind over the linear polarizer. A second micro-retarder layer (208) is disposed behind over the first micro-retarder layer (204). A reflection-type polarization preserved diffuser is disposed behind the second micro-retarder layer, for reflecting and diffusing an incident light into various directions.

Abstract: A stereoscopic image display including an image displaying unit and an optical grating is provided. The image displaying unit has a black matrix and pixels surround by the black matrix, and each pixel has a width P in a first direction. The optical grating is disposed corresponding to the image displaying unit, wherein the optical grating comprises a plurality of constitutional groups arranged in the first direction. Each of constitutional groups comprises a plurality of slits having the same width W to expose the corresponding pixels, the width P of pixel and the width W of slit satisfy a specific relationship, so as to reduce the morie phenomenon and provide excellent stereo image quality.

Abstract: A method for manufacturing a stereoscopic display module including following steps is provided. A display module is provided. A first retardation film is attached on the display module with a heat-resisting adhesive layer. After attaching the first retardation film on the display module with the heat-resisting adhesive layer, a partial region of the first retardation film is heated to vanish a phase retardation property. The partial region includes a plurality of sub-regions spaced at intervals. A stereoscopic display module and a manufacturing system thereof are also provided.

Abstract: A multi-beam laser device is used to make a microretarder plate, which comprises a plurality of first retardation state areas and second retardation state areas alternating with each other. The device comprises an infrared laser, a beam splitter, and a driving means. The beam splitter is used to split the laser beam into a plurality of equal intensity parallel beams and bring the parallel beams into focus. The driving mechanism is used to drive the beam splitter in one direction, and the beam splitter will scan a plurality of parallel scan lines by the direction on a surface.

Abstract: A stereoscopic display system including a display apparatus and an image guiding plate is provided. The display apparatus provides diverge images. The display apparatus includes a plurality of stereoscopic display unit groups. Each of the stereoscopic display unit groups includes at least one stereoscopic display unit. Each of the stereoscopic display units includes a plurality of pixel groups. In each of the stereoscopic display units, the pixel groups provide a plurality of image beams corresponding to parts of the diverge images. Different stereoscopic display units correspond to different parts of the diverge images. The image guiding plate is disposed on a transmission path of the image beams. The image guiding plate includes a plurality of optical structures arranged periodically, so as to respectively guide the image beams to a plurality of directions. Furthermore, an image display method of the foregoing stereoscopic display system is provided.