Abstract: Provided are augmented reality glasses, including: a lens unit; two temple brackets connected to a first side and a second side of the lens unit, respectively, the first side and the second side being two opposite sides of the lens unit; at least one optical module configured to form a screen, each of which is connected to at least one optical module holder that each is in rotatable connection with one of the temple brackets, an axis of rotation of the rotatable connection is set along a direction from the first side toward the second side so that the optical module is movable between a first position in front of the lens unit and a second position deviating from the front of the lens unit.

Abstract: Aspects of the present invention relate to providing see-through computer display optics.

Abstract: Intelligent VR (Virtual Reality) elastic bandage equipment includes a main body, left and right supporting arms, a rear support, a telescopic assembly and a driving mechanism. According to a touch panel in the equipment, different input signals are triggered through different touch actions and touch durations, and a motor is controlled through a main control circuit board, so that the motor outputs different rotating speeds and directions; and therefore, the motor further drives the driving mechanism to drive the telescopic assembly to move and stretch, the telescopic assembly further drives the left and right supporting arms to retract, and adjustment of the distance between the main body and the head of a human body is achieved, so that the equipment is more comfortable to use, the use range is enlarged, and the operation is easy.

Abstract: A head mount display support includes a support body including two telescopic arms overlapped with each other, a knob shaft configured to move into an overlapping part of the two telescopic arms when being pressed, an adjustment gear sleeved on the knob shaft to mesh with the two telescopic arms and drive the two telescopic arms to move towards or away from each other, a rear housing arranged on a side of the overlapping part away from the knob shaft, an elastic member with an end fixed to the rear housing and a locking member; another end of the elastic member is connected with the locking member; when the knob shaft retracting, the knob shaft drives the adjustment gear to move away from the overlapping part, the elastic member drives the locking member to bounce into the overlapping part to lock a relative position of the two telescopic arms.

Abstract: Various examples described herein relate to an HMD which comprises an HMD body positioned against a face of a user which includes an IMU to track user location data in an environment. The HMD also comprises a detachable headband assembly including a tracking feature module to construct a map of the environment based on the user location data. The HMD further includes a mechanical mount feature attaching the detachable headband assembly to the HMD body. The mechanical mount feature includes a connection interface to exchange the user location data between the IMU in the HMD body and the tracking feature module in the detachable headband assembly.

Abstract: Expandable band systems for wearable devices, such as spatial computing headsets, are provided which have flexible and conformable form factors that enable users to reliably to secure such wearable devices in place. Further, in the context of spatial computing headsets with an optics assembly supported by opposing temple arms, the expandable band systems provide protection against over-extension of the temple arms or extreme deflections that may otherwise arise from undesirable torsional loading of the temple arms.

Abstract: Improved systems ensuring an accuracy of eye gaze measurements in an augmented reality head-mounted wearable device include a radiation direction rerouter (e.g., a partial retroreflector) configured to adjust an angle of incidence of the radiation in the waveguide at a first surface of a waveguide to produce radiation directed at an adjusted angle of incidence at an outcoupler such that the output direction is essentially parallel to the gaze angle of the user's eye. For example, a partial retroreflector may be disposed on a surface of the waveguide opposite the outcoupler provides an additional reflection so that the gaze angle of the user's eye is matched to an angle of an image of the eye pupil onto a world-facing radiation detector (e.g., a camera).

Abstract: The invention relates to a method for producing an optical component consisting of at least two individual parts, which together enclose an open cavity, wherein the timer sides delimiting the cavity are coated or structured, and from which previously material has been removed in zones in the region of the free aperture, wherein said region is recoated and the individual parts are connected to one another by wringing. The wringing height is greater than the removal height plus the height of the coating. The invention also relates to optical components which are produced according to this method.

Abstract: An optoelectronic component includes an optoelectronic semiconductor chip configured to emit electromagnetic radiation; an optically effective element arranged such that electromagnetic radiation emitted by the optoelectronic semiconductor chip passes through the optically effective element; and a housing, wherein the optoelectronic semiconductor chip is arranged in a cavity of the housing, the optically effective element includes a carrier, a first optically effective structure arranged on a top side of the carrier, and a cover arranged above the first optically effective structure.

Abstract: Various lens shapes are able to transform laser beams into laser sheets that can span both two-dimensional (2D) and three-dimensional (3D) space in a controlled manner. The electromagnetic characteristics of the laser beams can be tailored as the laser light enters, traverses, and exits a lens. The projected image can be shaped. The lenses may have sections being multiply or simply connected with or without cavities. The lenses may also have solid or hollow race features, and coatings and/or material layers, which affect the output laser sheet. A fan angle of the produced laser sheet can be up to and include 360 degrees.

Abstract: A light source module includes a first light-splitting element, a second light-splitting element, a first light source, a second light source and a third light source. The first light source emits a first light having a first wavelength to the first light-splitting element in a first optical path direction. The second light source emits a second light having the first wavelength to the first light-splitting element in a second optical path direction perpendicular to the first optical path direction. The third light source emits a third light having a second wavelength to the first and second light-splitting elements in a third optical path direction opposite to the second optical path direction, and the second wavelength is different from the first wavelength. The first light source and the second light source include reflection layers configured to reflect light having the first wavelength.

Abstract: A passive speckle-suppressing diffuser includes a microlens array for diffusing a light field originating from one or more coherent light beams, and a diffractive optical element mounted in series with the microlens array and having a pixelated thickness distribution, characterized by a spatial variation across the diffractive optical element, to impose a spatially varying phase shift on the light field. The pixelated thickness distribution may be configured such that the spatially varying phase shift suppresses speckle of the light field while minimizing introduction of distinct diffraction structure.

Abstract: An invention provides a lens assembly. The lens assembly includes a first substrate, a lens, a first memory alloy wire and a second memory alloy wire, wherein the lens is placed in the first substrate, and the first substrate includes a first side plate and a second side plate that are placed on both sides of the lens. The optical image stabilization lens assembly has the advantages of a simple structure for realizing optical image stabilization and being able to realize miniaturized design. In addition, an optical image stabilization method for the lens assembly is provided.

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the optical member holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.

Abstract: A cemented lens includes a first optical element, a second optical element, a third optical element sandwiched between the first optical element and the second optical element and containing resin, a light shielding layer covering a surface of the third optical element that is in contact with neither the first optical element nor the second optical element, and a porous layer covering at least a part of the light shielding layer.

Abstract: An apparatus includes a display device having a lenticular layer. The lenticular layer includes (i) a first side, (ii) a second side opposite the first side, and (iii) particles in a fluid medium between the first and second sides of the lenticular layer. The second side of the lenticular layer includes lens elements forming a lenticular array. The particles of the lenticular layer are configured to move within the fluid medium such that (i) the lens elements are filled with the particles in a first mode or (ii) the lens elements are filled with the fluid medium in a second mode. The display device is configured to operate as a directional display in one of the first and second modes and as a single display in another of the first and second modes.

Abstract: A reflecting element includes a first reflecting film to reflect light and a second reflecting film configured to increase a reflectivity of the first reflecting film. The second reflecting film includes a layer of high-refractive-index material and a layer of low-refractive-index material with a refractive index lower than the layer of high-refractive-index material. The layer of low-refractive-index material is a top layer of the second reflecting film.

Abstract: A doubly curved reflector for compact storage in a folded state includes a plurality of gores, each gore having on either long side a gore side curve. At least one hinge is mechanically coupled between each adjacent gore, the at least one hinge including a fold roll hinge or a living hinge. In a stowed doubly curved reflector state each gore folds about the at least one hinge when folded closed such that a face surface of each gore folds against an adjacent face surface of another gore into a substantially cylindrical structure. In a deployed doubly curved reflector state, each hinge. A doubly curved reflector for compact storage in a folded state and a locked open state, a method of manufacture, and a method for designing a substantially wrinkle free doubly curved foldable reflector having gores of a composite material are also described.

Abstract: A diffraction light guide plate, including: a first diffraction substrate; and a second diffraction substrate provided on the first diffraction substrate. The first diffraction substrate includes a first diffraction grating layer on one surface and a second diffraction grating layer on an opposite surface. The second diffraction substrate includes a third diffraction grating layer on one surface and a stress compensation layer on an opposite surface. The first diffraction grating layer separates light having a wavelength of 550 nm or more and 700 nm or less, the second diffraction grating layer separates light having a wavelength of 400 nm or more and 550 nm or less, the third diffraction grating layer separates light having a wavelength of 450 nm or more and 650 nm or less, and the stress compensation layer has stress in the same direction as a direction of stress of the third diffraction grating layer.

Abstract: An article including a stack of layers including a high refractive index layer and a low refractive index layer; wherein at least one layer of the stack includes a wavelength selective absorbing material; and wherein the stack of layers has a transparent region with an edge at a wavelength in which light is absorbed by the wavelength selective absorbing material, and a reflection band with an edge at a wavelength in which light is reflected is disclosed. Compositions and optical devices including the article are also disclosed. Additionally, there is disclosed a method of making the article, the composition, and the optical device.

Abstract: A filter may include a substrate. The filter may include a stepped medium disposed on the substrate. The filter may include a first mirror disposed on the stepped medium. The first mirror may form a stepped mirror surface. Each step, of the stepped mirror surface may correspond to a channel, of a set of channels, of the filter. The filter may include a spacer disposed on the stepped mirror surface. The filter may include a second mirror disposed on another surface of the spacer.

Abstract: A colloidal crystal structure includes a colloidal crystal layer including a plurality of colloidal particles and a binder disposed between the plurality of colloidal particles to fix the colloidal particles, and a refractive index control material that is provided on one surface of the colloidal structural layer, is transparent, and has a refractive index difference of less than 10% with respect to the binder. A light-emitting device includes an optical filter including the colloidal crystal structure, and a light source, and a part of primary light emitted by the light source passes through the optical filter. A lighting system includes the light-emitting device.

Abstract: An optical filter may include a substrate. The optical filter may include a first mirror. The optical filter may include a second mirror. The optical filter may include a spacer. The first mirror, the second mirror, and the spacer may form a plurality of component filters. A first component filter, of the plurality of component filters, may be associated with a first cross-sectional area and a second component filter, of the plurality of component filters, is associated with a second cross-sectional area. The first cross-sectional area and the second cross-sectional area may be configured to response balance the first component filter and the second component filter.

Abstract: The present disclosure discloses a display panel which includes a substrate with varied reflectivity dependent upon different wavelengths; a plurality of light emitting diodes located on the substrate; and a light adjusting layer located on the substrate, wherein the light adjusting layer and the plurality of light emitting diodes are located on the same side of the substrate, the transmittance of material forming the light adjusting layer is varied dependent upon different wavelengths, and the transmittance change of the light adjusting layer at different wavelengths is inversely correlated with the change of the reflectivity of the substrate at the corresponding wavelengths.

Abstract: The present disclosure describes photonic materials that reversibly change color in response to the material being stretched or otherwise mechanically deformed.

Abstract: A polarizing plate and a display device including the same. The polarizing plate includes a retardation layer exhibiting ultraviolet blocking characteristics even in a state where the retardation layer does not include any ultraviolet absorber or light stabilizer. The polarizing plate can be used alone or in combination with an appropriate sunscreen or a light stabilizer as needed to selectively block ultraviolet rays in a region requiring blocking, without affecting display performance, such as color senses and image quality, of a display device. The polarizing plate can also be formed with a small thickness without requiring a separate ultraviolet blocking layer, and also has excellent durability, because the polarizing plate exhibits a certain ultraviolet blocking property even in the absence of an ultraviolet absorber or light stabilizer.

Abstract: A light emitting module including: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole; and a light source disposed in the light source placement part. In the schematic top view: the light adjusting hole is not positioned on a first straight line connecting (i) a center of the light source and (ii) a point in the sectioning groove that is farthest from the center of the light source, and a first lateral face of the light adjusting hole has a first region, and a line normal to the first region is oblique to a second straight line connecting (i) the center of the light source and (ii) a point in the sectioning groove that is closest to the center of the light source.

Abstract: A light-emitting module includes a light guide member including a first surface, a second surface on an opposite side of the first surface, and a first through hole penetrating from the first surface to the second surface, a light source unit disposed in the first through hole, a first light-transmissive member disposed in the first through hole of the light guide member and covering the light source unit, and a reflective member disposed above the light source unit and disposed above the first light-transmissive member. In a plan view, an outer edge of the reflective member is located outside an outer edge of the light source unit, and the reflective member includes a resin member and a reflector having a refractive index lower than a refractive index of the resin member.

Abstract: A display device includes a light guide plate a first area, a plurality of first eccentric microstructures positioned in the first area with a first eccentric orientation, a second area arranged at one side of the first area, and second eccentric microstructures positioned in the second area with a second eccentric orientation. An angle between the first eccentric orientation and the second eccentric orientation is less than 90 degrees. First and second light sources are disposed on a first side of the light guide, and configured to project light towards a corresponding one of the first and second eccentric microstructures.

Abstract: A dimming assembly includes a first prism having a first surface and a second surface opposite to each other, and a second prism disposed on a side where the second surface of the first prism is located. The first surface includes first dimming portions, each of which includes two first side surfaces. Edges of the two first side surfaces away from the second surface intersect at a first intersection line. A surface of the second prism proximate to the second surface includes second dimming portions, each of which includes two second side surfaces. Edges of the two second side surfaces proximate to the second surface intersect at a second intersection line. A distance between orthographic projections of two adjacent first intersection lines on the second surface is less than a distance between orthographic projections of two adjacent second intersection lines on the second surface.

Abstract: A production method of a backlight plate, a backlight plate and a backlight module are provided. The method includes providing a light-transmitting substrate which comprises a first area and a second area, forming a pad on the light-transmitting underlay substrate corresponding to the first area, coating a layer of photosensitive material on the light-transmitting substrate and the pad to form a reflective layer, exposing a position of the second area at opposite sides of the light-transmitting substrate that the reflective layer corresponds to, and developing the reflective layer to form a groove for exposing the pad on the first area that the reflective layer corresponds to. The present disclosure ensures the stability of the reflective layer and enhances the overall reflectance of the backlight plate.

Abstract: According to one embodiment, an illumination device comprises a light guide, a light source, a reflective layer, a first prism and a second prism, wherein the light guide has a thickness in a second direction increasing toward a second side surface, the first prism and the second prism have cross-sectional shapes being formed in a triangle shape, a first height of the first prism in the second direction is smaller than a second height of the second prism in the second direction.

Abstract: Embodiments described herein provide for methods of forming angled optical device structures. The methods described herein utilize etching a mandrel material with an etch chemistry that is selective to the hardmask, i.e., the mandrel material is etched at a higher rate than the hardmask. Therefore, mandrel trenches are formed in the mandrel material. Device material of the angled optical device structures to be formed is deposited on the plurality of angled mandrels. An angled etch process is performed on portions of the device material such that the angled optical device structures are formed.

Abstract: A method of fabricating a compound light-guide optical element (LOE) is provided. A bonded stack of a plurality of LOE precursors and a plurality of transparent spacer plates alternating therebetween is bonded to a first optical block having a plurality of mutually parallel obliquely angled internal surfaces. The block is joined to the stack such that first plurality of partially reflective internal surfaces of the block is non-parallel to the internal surfaces of the LOE precursor. After bonding, a second optical is thereby formed. At least one compound LOE is sliced-out of the second optical block by cutting the second block through at least two consecutive spacer plates having a LOE precursor sandwiched therebetween.

Abstract: A photonic device includes a silicon layer, wherein the silicon layer extends from a waveguide region of the photonic device to a device region of the photonic device, and the silicon layer includes a waveguide portion in the waveguide region. The photonic device further includes a cladding layer over the waveguide portion, wherein the device region is free of the cladding layer. The photonic device further includes a low refractive index layer in direct contact with the cladding layer, wherein the low refractive index layer comprises silicon oxide, silicon carbide, silicon oxynitride, silicon carbon oxynitride, aluminum oxide or hafnium oxide. The photonic device further includes an interconnect structure over the low refractive index layer.

Abstract: A fusion splicer includes: a device main body including a heater that heats a pair of optical fibers that each include a glass part and a coated part; a pair of glass holders each including a groove on which the respective glass part is disposed; a pair of first clamps that each clamp the respective glass part against the respective glass holder; a pair of second clamps that each clamp the respective coated part from above; a third clamp that is fixed to the device main body and that restricts movement of at least one of the optical fibers in a closed state; and a windproof cover that covers the heater, the glass holders, the first clamps, the second clamps, and the third clamp.

Abstract: Structures for an edge coupler and methods of fabricating a structure for an edge coupler. The structure comprises an edge coupler including a first waveguide core and a second waveguide core. The first waveguide core is positioned in a vertical direction between the second waveguide core and a substrate. The first waveguide core has a first longitudinal axis, the second waveguide core has a second longitudinal axis, and the second longitudinal axis of the second waveguide core is slanted at an angle relative to the first longitudinal axis of the first waveguide core.

Abstract: A coupling system includes an optical fiber configured to carry an optical signal. The coupling system further includes a chip in optical communication with the optical fiber. The chip includes a substrate. The chip further includes a grating on a first side of the substrate, wherein the grating is configured to receive the optical signal. The chip further includes an interconnect structure over the grating on the first side of the substrate, wherein the interconnect structure defines a cavity aligned with the grating. The chip further includes a first polysilicon layer on a second side of the substrate, wherein the second side of the substrate is opposite to the first side of the substrate.

Abstract: A diffractive optical waveguide and a display device having the same are disclosed, which waveguide comprises a grating structure formed on a surface of a waveguide substrate. The grating structure comprises a plurality of grating lines arranged in a plane, which extend along a first direction in the plane and are arranged at a predetermined interval in a second direction perpendicular to the first direction; at least one sidewall of each grating line has a periodic structure along the first direction; and the grating structure is configured to diffract light incident thereon at a non-zero angle with respect to the plane, out of the plane through a predetermined diffraction order. The grating structure in the diffractive optical waveguide can be used to adjust diffraction efficiency on different angles and/or diffraction orders, thereby providing a new effective and flexible means for improving angular uniformity and/or coupling-out efficiency of the waveguide.

Abstract: The present disclosure relates to a fiber management device or system for facilitating routing and storing optical fibers. The fiber management device includes a flexible, film-like substrate that has optical fiber management, storing functionality, and splicing functionality all on one film-like substrate. The flexible, film-like substrate can provide a routing path for routing optical fibers onto a flexible planar substrate that can be temporarily supported by, mounted on or attached to the flexible planar substrate. The flexible, film-like substrate can accommodate fibers that are in a multi-fiber (e.g., ribbon) configuration or a single fiber configuration.

Abstract: A tool for a plug, including a plug body fitted to an adapter and a slider supported on the plug body, includes an insertion portion and a handle. The insertion portion is configured to catch the slider. The handle extends in a direction opposite to the insertion portion. The handle includes a fragile part having a locally small cross-sectional area perpendicular to the direction in which the handle extends.

Abstract: The fiber optic adapter according to the present disclosure may include an adapter housing defining a channel to receive a fiber optic connector having one or more ferrules, and a first shutter and a second shutter attached to opposing sidewalls of the adapter housing. Each of the first and second shutters have a first member and a second member. The first member is configured to extend into the channel. the first members of the first and second shutters are sized and shaped to cooperatively close the channel. At least one of the first member is resiliently movable upon insertion of the fiber optic connector into the channel to open the channel. The fiber optic adapter may prevent the entry of the dust and other debris.

Abstract: A female hardened fiber optic connector for terminating an end of a fiber optic cable that is suitable for making an optical connection with another hardened cable assembly and cable assemblies using the same are disclosed. The female hardened fiber optic connector includes a connector assembly, a crimp body, a connector sleeve, and female coupling housing. The connector sleeve has one or more orientation features that cooperate with one or more orientation features inside the female coupling housing. The crimp body has a first shell and a second shell for securing the connector assembly at a front end of the shells and a cable attachment region rearward of the front end for securing a cable.

Abstract: Fiber optic connectors comprising compact footprints along with cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end. The optical connectors disclosed may be tunable for improving optical performance and may include a spring for biasing the ferrule to a forward position as desired.

Abstract: A multi-fiber, fiber optic connector is interchangeable between a male connector and a female connector by including a pin retainer having a releasable retention device configured to lock the pins in place within the retainer. The retention device may be opened, for example, with a release tool, to free the retention pins for removal of the pins. A method for switching a connector between a male connector configuration and a female connector configuration may be possible as a result of the releasable retention configuration.

Abstract: The present disclosure relates to an optical fiber alignment device that has an alignment housing that includes first and second ends. The alignment housing defines a fiber insertion axis that extends through the alignment housing between the first and second ends. The alignment housing includes a fiber alignment region at an intermediate location between the first and second ends. First and second fiber alignment rods are positioned within the alignment housing. The first and second fiber alignment rods cooperate to define a fiber alignment groove that extends along the fiber insertion axis. The first and second fiber alignment rods each having rounded ends positioned at the first and second ends of the alignment housing.

Abstract: A photonic integrated circuit may be coupled to an optical fiber and packaged. The optical fiber may be supported by a fiber holder during a solder reflow process performed to mount the packaged photonic integrated circuit to a circuit board or other substrate. The optical fiber may be decoupled from the fiber holder, and the fiber holder removed, after completion of the solder reflow process.

Abstract: A hermetic optical fiber alignment assembly includes a ferrule portion having a plurality of grooves receiving the end sections of optical fibers, wherein the grooves define the location and orientation of the end sections with respect to the ferrule portion. The assembly includes an integrated optical element for coupling the input/output of an optical fiber to the opto-electronic devices in the opto-electronic module. The optical element can be in the form of a structured reflective surface. The end of the optical fiber is at a defined distance to and aligned with the structured reflective surface. The structured reflective surfaces and the fiber alignment grooves can be formed by stamping.

Abstract: A light receiving and emitting module includes a sub-mount platform, a photoelectrical conversion component, a lens and a base. The sub-mount platform is made of silicon-based material and has first and second contact surfaces. The photoelectrical conversion component is disposed on the first contact surface. The lens is disposed on the second contact surface. The sub-mount platform is disposed on one side of the base. The first contact surface and second contact surface have therebetween a height difference, such that the photoelectrical conversion component matches the center of the lens. Further provided is a light receiving and emitting device including the light receiving and emitting module, a printed circuit board and a plurality of conducting wires. The conducting wires are electrically connected to the photoelectrical conversion component and printed circuit board. The conducting wires are disposed on at least two sides of the light receiving and emitting module.