Abstract: The optical component includes a first substrate, a first diffractive layer formed on the first substrate, a second substrate, a second diffractive layer formed on the second substrate, and a bonding material disposed between the first substrate and the second substrate and connecting the first substrate and the second substrate. The second diffractive layer is disposed opposite to the first diffractive layer, and both the first diffractive layer and the second diffractive layer are located between the first substrate and the second substrate. A gap is formed between the first diffractive layer and the second diffractive layer.

Abstract: A projector, a 3D sensing module and a method for fabricating the projector are provided. The 3D sensing module includes the projector and a receiver. The projector is configured to project a light beam to an object, and the receiver is configured to receive the light beam reflected from the object. The projector includes a circuit board, electronic components, a holder and a lens module. The circuit board has a plurality of first bonding pads and a plurality of second bonding pads on a top surface of the circuit board. The electronic components are bonded on the first bonding pads. The holder has a cavity and third bonding pads bonded on and electrically connected to the second bonding pads. The lens module is disposed in the cavity of the holder.

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 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: The optical component includes a first substrate, a first diffractive layer formed on the first substrate, a second substrate, a second diffractive layer formed on the second substrate, and a bonding material disposed between the first substrate and the second substrate and connecting the first substrate and the second substrate. The second diffractive layer is disposed opposite to the first diffractive layer, and both the first diffractive layer and the second diffractive layer are located between the first substrate and the second substrate. A gap is formed between the first diffractive layer and the second diffractive layer.

Abstract: A projector, a 3D sensing module and a method for fabricating the projector are provided. The 3D sensing module includes the projector and a receiver. The projector is configured to project a light beam to an object, and the receiver is configured to receive the light beam reflected from the object. The projector includes a circuit board, electronic components, a holder and a lens module. The circuit board has a plurality of first bonding pads and a plurality of second bonding pads on a top surface of the circuit board. The electronic components are bonded on the first bonding pads. The holder has a cavity and third bonding pads bonded on and electrically connected to the second bonding pads. The lens module is disposed in the cavity of the holder.

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: 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 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: 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 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: A collimating lens module and a light source module using the same are provided. The collimating lens module includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens. The first lens is configured for receiving light, wherein the first lens is a negative aspheric lens. The second lens is disposed on the first lens, wherein the second lens is a positive lens. The third lens is disposed on the second lens, wherein the third lens is a negative lens. The fourth lens is disposed on the third lens, wherein the fourth lens is a positive lens. The fifth lens is disposed on the fourth lens, wherein the fifth lens is a positive aspheric lens and configured for outputting collimated light. The light source module includes the collimating lens module and a light emitting diode (LED).

Abstract: A projector assembling equipment includes a holder and at least one multi-axial adjusting device. The lens module or the light source module is disposed on the holder. The multi-axial adjusting device is connected with the holder to move the holder relative to a reference plane, and the reference plane is used to put the lens module or the light source module which is not held by the holder. The multi-axial adjusting device includes a three-axis adjusting mechanism, a rotary adjusting mechanism and a tilt adjusting mechanism. The three-axis adjusting mechanism is utilized to shift the holder at a first direction, a second direction and a third direction. The rotary adjusting mechanism is disposed on the three-axis adjusting mechanism to rotate the holder at a clockwise direction and a counterclockwise direction. The tilt adjusting mechanism is disposed on the three-axis adjusting mechanism to recline the holder relative to the reference plane.

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: A packaging structure of a laser diode is provided. The packaging structure of the laser diode includes a laser chip, a first substrate and a second substrate. The first substrate having a first electrode and a second electrode on a first surface of the first substrate, and the laser chip is disposed on the first surface of the first substrate; and a second substrate having a third electrode and a fourth electrode on a second surface of the second substrate, wherein the first electrode and the second electrode are electrically connected to the third electrode and the fourth electrode by a wireless-bonding process, respectively.

Abstract: A projector assembling equipment includes a holder and at least one multi-axial adjusting device. The lens module or the light source module is disposed on the holder. The multi-axial adjusting device is connected with the holder to move the holder relative to a reference plane, and the reference plane is used to put the lens module or the light source module which is not held by the holder. The multi-axial adjusting device includes a three-axis adjusting mechanism, a rotary adjusting mechanism and a tilt adjusting mechanism. The three-axis adjusting mechanism is utilized to shift the holder at a first direction, a second direction and a third direction. The rotary adjusting mechanism is disposed on the three-axis adjusting mechanism to rotate the holder at a clockwise direction and a counterclockwise direction. The tilt adjusting mechanism is disposed on the three-axis adjusting mechanism to recline the holder relative to the reference plane.