Abstract: An optical element and a method for manufacturing the optical element are described. The optical element includes a transparent substrate, an optical layer, and an adhesive layer. The optical layer is located on a surface of the transparent substrate. The optical layer has a first surface and a second surface, which are opposite to each other. The first surface is set with various diffracting optical structures. A refractive index of the optical layer is equal to or greater than 1.4. The adhesive layer is sandwiched between the surface of the transparent substrate and the second surface of the optical layer.

Abstract: An optical element and a method for manufacturing the optical element are described. The optical element includes a transparent substrate, an optical layer, and an adhesive layer. The optical layer is located on a surface of the transparent substrate. The optical layer has a first surface and a second surface, which are opposite to each other. The first surface is set with various diffracting optical structures. A refractive index of the optical layer is equal to or greater than 1.4. The adhesive layer is sandwiched between the surface of the transparent substrate and the second surface of the optical layer.

Abstract: An image projector includes a light source capable of switchable emitting different patterns of light; and a beam shaper that shapes a light beam emitted by the light source, thereby generating a shaped pattern of light to be projected onto an object in a scene.

Abstract: An optical element and a method for manufacturing the optical element are described. The optical element includes a transparent substrate, an optical layer, and an adhesive layer. The optical layer is located on a surface of the transparent substrate. The optical layer has a first surface and a second surface, which are opposite to each other. The first surface is set with various diffracting optical structures. A refractive index of the optical layer is equal to or greater than 1.4. The adhesive layer is sandwiched between the surface of the transparent substrate and the second surface of the optical layer.

Abstract: An optical element and a method for manufacturing the optical element are described. The optical element includes a light penetrating substrate, an optical layer, and an adhesive layer. The optical layer is located on a surface of the light penetrating substrate. The optical layer has a first surface and a second surface, which are opposite to each other. The first surface is set with various diffracting optical structures. A refractive index of the optical layer is ranging from substantially 1 to substantially 4. The adhesive layer is sandwiched between the surface of the light penetrating substrate and the second surface of the optical layer.

Abstract: A switchable projector module includes a holder, a projector, and a switchable diffuser. The holder includes a first connection tank and a second connection tank, in which the second connection tank is located at a side of the first connection tank. The second connection tank has a spilling glue trench. The projector is engaged with the first connection tank and is configured to project a pattern image onto the second connection tank. The switchable diffuser is engaged with the second connection tank. The switchable diffuser is configured to switch between a first mode and a second mode, so as not to diffuse the pattern image in the first mode and diffuse the pattern image in the second mode.

Abstract: An imprinting apparatus includes an imprinting platform, an imprinting roller, a transfer module and a lifting and pressing mechanism. The imprinting roller is disposed above the imprinting platform. The transfer module includes a transfer film, wherein the transfer film is located between the imprinting roller and the imprinting platform. The lifting and pressing mechanism is linked with the imprinting roller, wherein the lifting and pressing mechanism drives the imprinting roller to move along a normal direction of the imprinting platform and selectively pressurizes the imprinting roller.

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: An imprinting apparatus includes an imprinting platform having a first side and a second side opposite to each other, an imprinting roller disposed above the imprinting platform, a transfer module, and a film separation module. The transfer module includes a transfer film located between the imprinting roller and the imprinting platform and a fixed frame fixed beside the first side of the imprinting platform and a movable frame disposed on the second side of the imprinting platform that clamp opposite sides of the transfer film. The movable frame is adapted to move horizontally relative to the fixed frame to change a flatness of the transfer film. The film separation module is connected to the movable frame, and is adapted to drive the movable frame to be turned from a first position to a second position, such that a rounded corner is formed between the transfer film and the imprinting roller.

Abstract: A method to form a light wave-guide optical element is disclosed. First, a flat organic optical layer is formed on an optically transparent substrate before using a template to transfer a pattern onto the flat organic optical layer to obtain a patterned organic optical layer. Then the patterned organic optical layer is cured in the presence of the template to obtain an organic optical material disposed on the optically transparent substrate before removing the template from the organic optical material. Later an anti-reflection stack is formed to conformally cover the organic optical material before applying an organic optical cover layer on the anti-reflection stack to cover the anti-reflection stack.

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 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 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: An imprinting apparatus includes an imprinting platform, an imprinting roller, a transfer module and a lifting and pressing mechanism. The imprinting roller is disposed above the imprinting platform. The transfer module includes a transfer film, wherein the transfer film is located between the imprinting roller and the imprinting platform. The lifting and pressing mechanism is linked with the imprinting roller, wherein the lifting and pressing mechanism drives the imprinting roller to move along a normal direction of the imprinting platform and selectively pressurizes the imprinting roller.

Abstract: An imprinting apparatus includes an imprinting platform having a first side and a second side opposite to each other, an imprinting roller disposed above the imprinting platform, a transfer module, and a film separation module. The transfer module includes a transfer film located between the imprinting roller and the imprinting platform and a fixed frame fixed beside the first side of the imprinting platform and a movable frame disposed on the second side of the imprinting platform that clamp opposite sides of the transfer film. The movable frame is adapted to move horizontally relative to the fixed frame to change a flatness of the transfer film. The film separation module is connected to the movable frame, and is adapted to drive the movable frame to be turned from a first position to a second position, such that a rounded corner is formed between the transfer film and the imprinting roller.

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: An optical film stack including a DOE, a first detecting circuit layer, a liquid crystal changeable diffuser, and a conductive structure is provided. The first detecting circuit layer is disposed on the DOE. The liquid crystal changeable diffuser is disposed beside the DOE and includes a first transparent substrate, a second detecting circuit layer, a second transparent substrate, a third detecting circuit layer, and a liquid crystal layer. The second detecting circuit layer is disposed on the first transparent substrate. The second transparent substrate is disposed beside the first transparent substrate. The third detecting circuit layer is disposed on the second transparent substrate. The liquid crystal layer is disposed between the first transparent substrate and the second transparent substrate. The conductive structure electrically connects the first detecting circuit layer, the second detecting circuit layer, and the third detecting circuit layer.

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: 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: An optical film stack including a DOE, a first detecting circuit layer, a liquid crystal changeable diffuser, and a conductive structure is provided. The first detecting circuit layer is disposed on the DOE. The liquid crystal changeable diffuser is disposed beside the DOE and includes a first transparent substrate, a second detecting circuit layer, a second transparent substrate, a third detecting circuit layer, and a liquid crystal layer. The second detecting circuit layer is disposed on the first transparent substrate. The second transparent substrate is disposed beside the first transparent substrate. The third detecting circuit layer is disposed on the second transparent substrate. The liquid crystal layer is disposed between the first transparent substrate and the second transparent substrate. The conductive structure electrically connects the first detecting circuit layer, the second detecting circuit layer, and the third detecting circuit layer.