Abstract: A depth sensing apparatus and an operation method thereof are provided. The depth sensing apparatus includes a projector, multiple cameras, and an image processing circuit. The projector includes a diffraction optical element (DoE) and a light source module. Rays of the light source module selectively pass through at least one of multiple projection style regions of the DoE so as to generate a projection pattern, and the projection pattern is projected to a field. The cameras respectively shoot the projection pattern projected to the field to obtain multiple images. The image processing circuit processes the images to obtain multiple depth maps. The image processing circuit at least merges the depth maps to generate a final depth map of the field.

Abstract: The present invention provides a projector, wherein the projector includes a light-emitting device, a lens module having a diffuser part and a lens part, and a DOE. In the operations of the projector, the light-emitting device is arranged for generating at least one laser beam, and the at least one laser beam passes through the diffuser part and the DOE to illuminate a field of view, and the at least one laser beam passes through the lens part and the DOE to generate a plurality of dots.

Abstract: The present invention provides a projector including a light-emitting device, a diffraction optical element (DOE) and a switchable diffuser. The light-emitting device is arranged for generating a laser beam. The switchable diffuser is controlled by a control signal to diffuse or scatter received lights or not diffuse or scatter the received lights, wherein the laser beam passes through the DOE and the switchable diffuser to generate an output image of the projector.

Abstract: The present invention provides a method for fabricating small right angle prism mirrors, projecting system, and small right angle prism mirrors fabricated by a semiconductor process. The method comprises: coating a reflecting layer on a top surface of a glass substrate; forming an optical glue layer on a bottom surface of the glass substrate; utilizing a mold to form a 3D shape on the optical glue layer; exposing the optical glue layer having the 3D shape to solidify the optical glue layer having the 3D shape and combine the glass substrate having the reflecting layer and the optical glue layer having the 3D shape; removing the mold to form a small prism array; and dicing the small prism array to generate a plurality of small right angle prism mirrors.

Abstract: An optical device including a Vertical-Cavity Surface-Emitting Laser (VCSEL) light source and a lens array is provided. The VCSEL light source is configured to emit light with at least one light dot. The lens array is configured to receive light emitting from the VCSEL light source and then project a structured light. The structured light includes a dot pattern having number of light dots. Plural convex lenses are arranged along a first surface of the lens array. The convex lenses are configured to generate the light dots of the dot pattern.

Abstract: The present invention provides a projector including a substrate, a laser module and a lens module. The laser module is positioned on the substrate, and a laser diode of the laser module is not packaged within a can. The lens module is arranged for receiving a laser beam from the laser diode of the laser module to generate a projected image of the projector.

Abstract: An illuminator including a light source and an optical device is provided. The light source is configured to emit light. The optical device is configured to provide uniform illumination with at least one indicating mark after receiving light. The optical device includes a diffusing part and a directing part. The diffusing part is configured to provide uniform illumination. The directing part is configured to provide at least one indicating mark.

Abstract: A DOE module including a transparent substrate, a first electrode, a second electrode, a first sensing wire, a sensing layer, a DOE layer, and an insulating layer is provided. The first electrode is disposed on the transparent substrate, and the second electrode is disposed on the transparent substrate. The first sensing wire is distributed on the transparent substrate and electrically connected to the first electrode. The sensing layer is distributed on the transparent substrate and electrically connected to the second electrode. The first sensing wire is insulated from the sensing layer to form a capacitance between the first sensing wire and the sensing layer. The DOE layer is disposed on the transparent substrate. The insulating layer covers the first sensing wire and the sensing layer. The insulating layer has a first opening and a second opening respectively exposing the first electrode and the second electrode.

Abstract: An imprinting method, which includes following steps. A workpiece is conveyed to a working region by a first conveyer unit. The workpiece is imprinted in the working region through an imprinting segment of a flexible imprinting mold film. The flexible imprinting mold film is driven by a driving roller set, such that at least another one of the imprinting segments of the flexible imprinting mold film rolled around the driving roller set is expanded from the driving roller set and moved to the working region.

Abstract: The present invention provides a projector, wherein the projector includes a light-emitting device, a lens module having a diffuser part and a lens part, and a DOE. In the operations of the projector, the light-emitting device is arranged for generating at least one laser beam, and the at least one laser beam passes through the diffuser part and the DOE to illuminate a field of view, and the at least one laser beam passes through the lens part and the DOE to generate a plurality of dots.

Abstract: The present invention provides a projector including a light-emitting device, a diffraction optical element (DOE) and a switchable diffuser. The light-emitting device is arranged for generating a laser beam. The switchable diffuser is controlled by a control signal to diffuse or scatter received lights or not diffuse or scatter the received lights, wherein the laser beam passes through the DOE and the switchable diffuser to generate an output image of the projector.

Abstract: The present invention provides a projector including a laser module and a lens module, wherein the lens module includes a plurality of lens and a plurality of diffractive optical elements. In the operations of the projector, the laser module is arranged to generate at least one laser beam; each of the lenses is arranged to receive one of the at least one laser beam to generate a collimated laser beam; and the diffractive optical elements correspond to the lenses, respectively, and each of the diffractive optical elements is arranged to receive the collimated laser beam from the corresponding lens to generate an image. The images generated by the diffractive optical elements form a projected image of the projector. By using the projector of the present invention, the projected image may have higher resolution or field of view that is advantageous for the 3D sensing system.

Abstract: A depth sensing apparatus and an operation method thereof are provided. The depth sensing apparatus includes a projector, multiple cameras, and an image processing circuit. The projector includes a diffraction optical element (DoE) and a light source module. Rays of the light source module selectively pass through at least one of multiple projection style regions of the DoE so as to generate a projection pattern, and the projection pattern is projected to a field. The cameras respectively shoot the projection pattern projected to the field to obtain multiple images. The image processing circuit processes the images to obtain multiple depth maps. The image processing circuit at least merges the depth maps to generate a final depth map of the field.

Abstract: An imprinting apparatus includes a first conveyer unit, a flexible imprinting mold film and a driving roller set. The first conveyer is adapted to convey a workpiece to a working region of the imprinting apparatus. The flexible imprinting mold film has imprinting segments. At least one of the imprinting segments is located in the working region. The workpiece is adapted to be imprinted in the working region through the corresponding imprinting segment. The flexible imprinting mold film is partially rolled around the driving roller set, the imprinting segment located in the working region is expanded from the driving roller set, and the driving roller set is adapted to drive the flexible imprinting mold film, such that at least another one of the imprinting segments rolled around the driving roller set is expanded from the driving roller set and moved to the working region. Besides, an imprinting method is also provided.

Abstract: The present invention provides a projector including a substrate, a laser module and a lens module. The laser module is positioned on the substrate, and a laser diode of the laser module is not packaged within a can. The lens module is arranged for receiving a laser beam from the laser diode of the laser module to generate a projected image of the projector.

Abstract: The present invention provides an electronic device, wherein the electronic device includes a projector and a controller. The projector includes a laser module and a lens module with a cover glass, wherein a laser beam generated from the laser module passes through the lens module to generate a projected image. The controller is coupled to the projector, and is arranged for determining if the cover glass is broken to generate a determination result, and controlling a power of the laser module according to the determination result.

Abstract: An equipment for testing a plurality of projector modules is provided, wherein the equipment includes a screen, a mask, at least one camera and a controller. The mask is positioned between the screen and the projector modules when the projector modules are within the equipment, and the mask is arranged to mask a plurality of projected images generated by the projector modules so that only a portion of projected images is allowed to be projected to the screen. The camera is arranged for capturing the portion of projected images on the screen. The controller is coupled to the camera, and is arranged for analyzing the captured images to control settings of the projector modules.

Abstract: The present invention provides a method for fabricating small right angle prism mirrors, projecting system, and small right angle prism mirrors fabricated by a semiconductor process. The method comprises: coating a reflecting layer on a top surface of a glass substrate; forming an optical glue layer on a bottom surface of the glass substrate; utilizing a mold to form a 3D shape on the optical glue layer; exposing the optical glue layer having the 3D shape to solidify the optical glue layer having the 3D shape and combine the glass substrate having the reflecting layer and the optical glue layer having the 3D shape; removing the mold to form a small prism array; and dicing the small prism array to generate a plurality of small right angle prism mirrors.

Abstract: A light wave-guide optical element for use in a head-mounted display (HMD) or in a head-up display (HUD) includes an organic optical material, an anti-reflection stack and an organic optical cover. The organic optical material includes multiple bulging tips surrounded by a periphery plane. The anti-reflection stack conformally covers the bulging tips and the periphery plane. The organic optical cover correspondingly covers the anti-reflection stack, the periphery plane and the bulging tips.

Abstract: The present invention provides an electronic device, wherein the electronic device includes a projector and a controller. The projector includes a laser module and a lens module with a cover glass, wherein a laser beam generated from the laser module passes through the lens module to generate a projected image. The controller is coupled to the projector, and is arranged for determining if the cover glass is broken to generate a determination result, and controlling a power of the laser module according to the determination result.