Abstract: A display device may include first and second display modules that provide image light to first and second waveguides. The waveguides may direct the image light to first and second eye boxes. Each display module may include optics mounted to a housing and mechanical alignment structures that mechanically adjust the position of an optical axis of the optics. The alignment structures may rotate the entire housing, may mechanically translate the optics, may adjust the position of a spatial light modulator within the module, and/or control circuitry may change a subset of pixels used by the modulator to compensate for optical misalignment between the first and second eye boxes. The device may include optical misalignment sensors that detect the optical misalignment. The control circuitry may compensate for the optical misalignment as detected by the optical misalignment sensors.

Abstract: A head-mounted display device includes a display panel and an optical system positioned on a front surface of the display panel, wherein the display panel sequentially includes a light emitting element unit, a retarder positioned on a front surface of the light emitting element unit, a reflective polarizer, and an absorptive polarizer, wherein the optical system includes a first curved lens configured to include a first retarder positioned on an inner surface and a beam splitter positioned on an outer surface and a second curved lens configured to include a second retarder positioned on an inner surface and a reflective polarizer positioned on an outer surface, wherein the first curved lens is positioned on the display panel, and the second curved lens is positioned on the first curved lens, and wherein the absorptive polarizer of the display panel includes an open portion from which the absorptive polarizer is removed.

Abstract: The AR/VR enabled smart contact lens (SCL) system comprising a waveguide electro-optical display/projector component embedded into the substrate of the contact lens. Whereas, waveguide electro-optical component further consists of, at least, projector, input grating and out coupling grating designed to project light into the retina of the eye and corresponding method of operation of such system are disclosed. Furthermore, the imagery projected by such a display into the eye is with regards to 2D or 3D frame of reference enabling the user to refocus and accommodate on different parts of an image with respect to the relevant frame of reference. The display hereby proposed is a wide field of view waveguide display.

Abstract: An optical system configured to guide light from a display element to an observation side includes a first lens having a first half-transmissive reflective surface provided to a surface on a display element side of the first lens, and a second lens having a second half-transmissive reflective surface. The light from the display element transmits through the second half-transmissive reflective surface, is reflected on the first half-transmissive reflective surface, is reflected on the second half-transmissive reflective surface, transmits through the first half-transmissive reflective surface, and is guided to the observation side. One of the first lens, the second lens, and another lens has negative refractive power. The first lens has a concave surface facing the observation side. A predetermined inequality is satisfied.

Abstract: An observation optical system configured to guide light from a display device configured to display an image to an observer includes a lens having a display-side surface and an observation-side surface with different curvature radii, and includes a first semi-transmissive reflective surface, a first ?/4 plate, a second semi-transmissive reflective surface, a second ?/4 plate, and a polarization plate, which are sequentially arranged from a display side to an observation side, and wherein, when, out of the first semi-transmissive reflective surface and the second semi-transmissive reflective surface, a reflection surface having a smaller absolute value of a focal length is a reflection surface A, a focal length of the reflection surface A is fA, and an air conversion distance on an axis from a position of an exit pupil to the reflection surface A is LaA, the following inequality is satisfied: 1.0<LaA/|fA|<3.0.

Abstract: An optical display system and an electronic device are disclosed. The optical display system comprises: a controllable optical image-generating display apparatus, generating circularly polarized image output; a beam scanning unit, adjusting a direction of the circularly polarized image output; an exit pupil steering apparatus, including diffractive liquid crystal lenses, each of which focuses the circularly polarized image output of one circular polarization state to a distinct focus point and let light with the other circular polarization state pass directly through; and an eye-tracking apparatus, detecting position information of a viewer's eye pupil and providing the position information to the beam scanning unit. The beam scanning unit adjusts the direction of the circularly polarized image output according to the position information, so that the circularly polarized image output is diffracted by one of the diffractive liquid crystal lenses.

Abstract: The disclosure herein presents an eyebox expander for a wearable head mounted display. The eyebox expander includes a first liquid crystal layer: an electrode arrangement to apply a voltage to the first liquid crystal layer to modify an orientation associated with the first liquid crystal layer; and a compensation layer to redirect light passing through the eyebox expander based on the modification of the orientation associated with the first liquid crystal layer.

Abstract: This disclosure relates to an optical engine, a display structure, a display device, and a vehicle. The optical engine comprises an illumination arrangement comprising a first light source configured to emit first light having a first peak wavelength and a superluminescent light source configured to emit second light having a second peak wavelength different from the first peak wavelength.

Abstract: There is disclosed an optical device, including a light-transmitting substrate having an input aperture, an output aperture, at least two major surfaces and edges, an optical element for coupling light waves into the substrate by total internal reflection, at least one partially reflecting surface located between the two major surfaces of the light-transmitting substrate for partially reflecting light waves out of the substrate, a first transparent plate, having at least two major surfaces, one of the major surfaces of the transparent plate being optically attached to a major surface of the light-transmitting substrate defining an interface plane, and a beam-splitting coating applied at the interface plane between the substrate and the transparent plate, wherein light waves coupled inside the light-transmitting substrate are partially reflected from the interface plane and partially pass therethrough.

Abstract: A near-eye display has an image projector coupled to a lightguide for receiving and propagating image light provided by the image projector, the image light carrying an image to be displayed to a viewer. Field of view of the near-eye display may be expanded by providing a beam redirector downstream of the lightguide for controllably redirecting the image light m coordination with displaying different field of view portions by the image projector. To compensate the redirection of external light by the beam redirector, a second beam redirector may be provided upstream of the first redirector and the lightguide.

Abstract: A head-mountable display device includes a housing defining a front opening and a rear opening, a display screen disposed in the front opening, a display assembly disposed in the rear opening, a first securement strap coupled to the housing, the first securement strap including a first electronic component, a second securement strap coupled to the housing, the second securement strap including a second electronic component, and a securement band extending between and coupled to the first securement strap and the second securement strap.

Abstract: The present invention relates to a method and system for actively adjusting diopter of a head-mounted display, and a head-mounted display. The method includes the following steps: adjusting a relative distance between a displaying component of the head-mounted display and an optical component by a motor driving component; presetting a mapping relationship between a diopter value and a motor pulse number; accordingly converting into a control signal for the motor driving component according to the mapping relationship; and actively adjusting the relative distance between the displaying component of the head-mounted display and the optical component by the motor driving component according to the control signal. A target diopter value is inputted and converted into a corresponding control signal. The motor driving component actively adjusts the relative distance between the displaying component of the head-mounted display and the optical component according to the control signal.

Abstract: The present disclosure describes eyeglass hearing devices, systems and methods of enhancing the hearing ability, while providing reliable biosensing of vital signs with sensors located along the path of superficial temporal artery. A temple portion extending downward in front of the ear then medially into the ear cavity secures the eyeglass device to the head and provides highly efficient sound delivery. An array of microphones enables high directionality for enhancing speech recognition in noisy environments. The eyeglass hearing device may be communicatively coupled to a smartphone for telephony, audio streaming, and for selecting the directionality for sound pickup. Applications include hearing enhancement, music listening, telephony, voice detection, voice authentication, speaker isolation, audio recording, language translation, and acoustic scene detection.

Abstract: A laser processing system has a laser source and a divergence-tuning beam characteristic conditioner configured to, in response to a control input, repetitively change a variable divergence laser beam between a first divergence and a second divergence that is different from the first divergence. The system also includes a process head having a collimating lens and a focusing lens. And the system includes a delivery fiber coupled to the divergence-tuning beam characteristic conditioner for guiding the variable divergence laser beam and launching it to the process head. The collimating lens is configured to receive the variable divergence laser beam and direct it as an intermediate beam to the focusing lens to focus the intermediate beam toward the workpiece at a first depth corresponding to the first divergence and at a second depth corresponding to the second divergence.

Abstract: The curved fork-like grating is provided where curves formed by all points in the same relative positions in respective periods are distributed to be curved and fork-like, so that incident light irradiated on the curved fork-like grating is converted into Bessel-Gaussian light. Such a curved fork-like structure can be achieved by various gratings, such as a metal grating, a dielectric grating, or a metal and dielectric hybrid grating, without affecting their intrinsic characteristics, such as a diffraction efficiency, a use band, a diffraction angle, and a polarization characteristic except that a diffraction light field carries a high-order Bessel phase. Compared with a method for obtaining Bessel-Gaussian light in the prior art, the curved fork-like grating provided by the present invention is simpler in light path and appropriate for a wide band.

Abstract: A light source module capable of combining light beams emitted by two semiconductor lasers mounted on the same substrate before entering a collimator lens to be focused on an image plane is provided. The light source module includes the two semiconductor lasers and a light beam combining element. The two semiconductor lasers are arranged so as to have parallel light axes. The light beams emitted by the two semiconductor lasers enter the light beam combining element which emits the light beams with respective light axes made closer to each other. An air conversion length of a total distance from a light emitting surface of one semiconductor laser to an exit surface of the light beam combining element, and an air conversion length of a total distance from a light emitting surface of the other semiconductor laser to the exit surface are equal to each other.

Abstract: An apparatus for combining a plurality of coherent laser beams to form at least one combined laser beam includes a phase setting device for setting a respective phase difference between the coherent laser beams, and a gain device for amplifying the coherent laser beams. The amplified coherent laser beams are output coupled from the gain device. The apparatus further includes a measuring device configured to measure a respective actual phase difference between one of the amplified coherent laser beams and a further one of the amplified coherent laser beams or between the one of the amplified coherent laser beams and at least one reference laser beam.

Abstract: An apparatus includes a sample stage region, an optical assembly, and a camera assembly. The optical assembly includes an objective element, a tube lens, a first dichroic element, and a compensating element. The objective element provides a field of view including the object plane. The tube lens is configured to receive light transmitted through the objective element. The optical assembly is configured to transmit light in at least a first color channel, a second color channel, a third color channel, and a fourth color channel from the tube lens toward the first dichroic element. The first dichroic element is configured to transmit light of the first and third color channels while reflecting light of the second and fourth color channels. The compensating element is configured to induce an astigmatism in the first and third color channels offsetting an astigmatism induced by the dichroic element.

Abstract: A monolithic optical system for creating a plurality of equally spaced identical laser beams while maintaining pointing accuracy of the laser beams relative to each other with respect to both position and angle. The monolithic optical system includes a mirror configured to receive a laser beam in a first direction and reflect the laser beam in a second direction and a beamsplitter array having a first beamsplitter and a second beamsplitter. The first beamsplitter is configured to receive the laser beam from the mirror and direct the laser beam, emitting a first laser beam portion and redirecting a second laser beam portion to the mirror.

Abstract: A unique multiband spectrum solar cell implemented using a cross dichroic prism with the capability to separate incident solar radiation into three visible or infrared spectral components or bands using two dichroic filters is described. Inexpensive thin film solar cells can be deposited directly onto the prism outer surfaces acting as a substrate. The operational spectrum combined by three cells can be designed to cover most of the visible light and infrared (300 nm to 1100 nm) regions providing maximized power output. Manufacture of an elongated (length extended) version is described to increase photovoltaic surface area and create a sub module with space efficient packing into an array supporting a flat panel form factor. Finally, a complete solar panel system is described based upon an array of sub modules combined with power conversion electronics.

Abstract: An optical device with less influence of stray light is provided. The optical device is thin and includes a half mirror, a first lens, a retardation plate, a reflective polarizing plate, and a second lens. In the optical device, a geometric phase lens which has negative and positive refractive power is used as the first lens, whereby images can be focused after magnified optically. Thus, the optical device can have a wide viewing angle. In the case where stray light occurs due to birefringence of an optical material, negative refractive power of the first lens can prevent the stray light from being focused on the eye direction. Accordingly, image degradation recognized due to stray light can be prevented.

Abstract: Disclosed herein is a system for producing a composite prism having a plurality of planar external surfaces by aligning and bonding two or more prism components along bonding surfaces thereof, the system includes: an infrastructure configured to bring the bonding surfaces of the first prism component and the second prism component into close proximity or contact; a controllably rotatable mechanical axis configured to align at least one first surface of the first prism component and at least one second surface of the second prism component; a light source configured to project at least one collimated incident light beam on the at least one first surface and the at least one second surface; one or more detectors configured to sense light beams reflected from the first and second surfaces; a computational module configured to determining an average actual relative orientation between the at least one first surface and the at least one second surface based on the sensed data and if a difference between the weight

Abstract: A display device, including a display panel, and an optical structure, is provided. The optical structure overlaps with the display panel. The optical structure includes at least two adjacent light shielding patterns, and the two adjacent light shielding patterns extend in a direction in a top view. In a cross section view, a pitch of the two adjacent light shielding patterns is less than a thickness of one of the two adjacent light shielding patterns.

Abstract: Wearable electronic devices can include connection mechanisms for adjustable and exchangeable connections with selected modules other devices to enhance performance of the wearable electronic device. Such connections can provide both mechanical engagement and operable communication between the connected devices. Arms, earpieces, accessory devices, and/or other external devices can be easily connected to provide different components and functions at different times as desired. Accordingly, a main portion of the wearable electronic device need not include permanent components that provide every function that will later be desired by the user. Instead, the wearable electronic device can have expanded and customizable capabilities by the use of one or more arms, earpieces, accessory devices, and/or other external devices.

Abstract: A spectacle lens has a central clear zone and one or more ring-shaped focusing structures, each ring-shaped focusing structure having a respective width and a surface-based fill factor being larger than 17% and equal to or lower than 70% for a respective width in a range of 0.6 mm to 0.7 mm.

Abstract: A contact lens includes a first optical region, a second optical region, and a transition region. The first optical region is shaped to form a first power profile. The second optical region is shaped to form a second power profile. The transition region is joined between the first optical region and the second optical region and is shaped to form a third power profile with a power variation radially changing from the first power profile to the second power profile as a radius increasing. The transition region includes a first subzone, a second subzone and a third subzone. Each of the first subzone and the third subzone has a gradual power variation measured from a lens center to a lens edge as compared to the second subzone, and the second subzone has a steep power variation measured from the lens center to the lens edge.

Abstract: An exemplary method and apparatus are disclosed to perform myopia control using an ophthalmic device (contact lens) comprising a center region configured to correct vision at a first correction power (spherical or sphero-cylindrical) and a peripheral region that surrounds the central region, wherein the peripheral region comprises a plurality of distinct facet surfaces configured to under correct (or overcorrect) the vision at a second correction power, each of the plurality of distinct facet surfaces having a varying power in both (i) a first direction radially extending from a central location of the center region to a perimeter of the ophthalmic device and (ii) a second direction perpendicular to the first direction.

Abstract: A contour prism progressive lens has a position dependent optical power and a position dependent horizontal prism, and a distance-vision reference point and a near-vision reference point. It is characterized by a coordinate system with its vertical axis running through the distance-vision reference point and has an optical power at the near-vision power reference point that exceeds the optical power at the distance-vision reference point by a value between 0.25 diopter and 1.0 diopter. The horizontal prism on the vertical axis at a vertical coordinate of the near-vision reference point differs from the horizontal prism at the distance-vision reference point by more than 0.2 prism diopter base-in; and the optical power along a horizontal crosscut of the contour prism progressive lens through the near-vision reference point has a broad maximum where the region where the optical power is at least 85% of its peak is at least 5 mm wide.

Abstract: A contour prism lens, having a position dependent optical power and a position dependent horizontal prism, and having a distance-vision reference point and a near-vision reference point, the contour prism lens being characterized by a coordinate system with its vertical axis running through the distance-vision reference point, wherein: the optical power at the near-vision reference point exceeds the optical power at the distance-vision reference point by less than 0.5 diopter; the horizontal prism on the vertical axis at a vertical coordinate of the near-vision reference point differs from the horizontal prism at the distance-vision reference point by more than 0.2 prism diopter base-in; and the optical power along a horizontal crosscut of the contour prism lens through the near-vision reference point has a power plateau, where the optical power remains within a 0.1 diopter wide range throughout a horizontal region at least 5 mm wide, comprising the near-vision reference point.

Abstract: An ophthalmic lens element includes an upper distance viewing zone and a lower near viewing zone. The upper distance viewing zone includes a central region with a first refractive power for clear distance vision and peripheral regions that are relatively positive in power compared to the first refractive power. The lower near viewing zone has a central region that is relatively positive in power compared to the first refractive power to account for accommodative lag. The powers of the peripheral regions of the lower near viewing zone are one of: i) equal to the power of the central region of the lower near viewing zone, ii) relatively positive in comparison to the power of the central region of the lower near viewing zone.

Abstract: The present disclosure provides a method for manufacturing an eye protection lens, which includes: 100) performing an anti-blue light treatment and an anti-ultraviolet treatment on a lens by soaking: soaking the lens in a mixed solution containing a blue light absorber and an ultraviolet light absorber to complete the anti-blue light treatment and the anti-ultraviolet treatment of the lens, wherein, the ultraviolet light absorber comprises methacrylate and styrene with a mass ratio of 13:37; 200) performing an optical coating treatment on the lens: designing six optical layers with different thicknesses on a concave surface and a convex surface of the lens respectively, a transmittance of the lens after coating is no less than 96%, and a light transmission wavelength of the lens after coating has a range of 630-750 nm.

Abstract: A contact lens includes a body, a filtering characteristic of blocking at least some light with wavelengths between 400 nanometers and 500 nanometers from transmitting through the body, and a transmittance characteristic of transmitting at least some light with wavelengths above 500 nanometers through the body.

Abstract: A display module and a display device are provided. The display module includes: a display panel including a display area and a non-display area surrounding the display area; an optical adhesive layer (2) located on a light emitting side of the display panel and covering the display area; and a cover plate, located on a side of the optical adhesive layer facing away from the display panel and covering the display panel and the optical adhesive layer. A limiting groove used for preventing an edge of the optical adhesive layer from overflowing is formed on a side of the cover plate facing the optical adhesive layer. A least the edge of the optical adhesive layer is in the limiting groove.

Abstract: Structures for a thermo-optic phase shifter and methods of forming a thermo-optic phase shifter. The structure comprises an interconnect structure including a dielectric layer, a waveguide core on the dielectric layer, and a heater on the dielectric layer. The heater includes a resistive heating element positioned adjacent to the waveguide core.

Abstract: Structures for a thermo-optic phase shifter and methods of forming a thermo-optic phase shifter. The structure comprises a semiconductor substrate, and a heater including a first resistive heating element, a second resistive heating element, and a slab layer connecting the first resistive heating element to the second resistive heating element. The first resistive heating element and the second resistive heating element have a first thickness, and the slab layer has a second thickness that is less than the first thickness. The structure further comprises a waveguide core including a portion that is laterally positioned between the first resistive heating element and the second resistive heating element. The slab layer of the heater is disposed between the portion of the waveguide core and the semiconductor substrate.

Abstract: Provided are an electro-optic modulator and an electro-optic device. The electro-optic modulator includes: a substrate; an isolation layer located on the substrate; a thin film layer, used to form a first optical waveguide and a second optical waveguide, an arrangement of the first optical waveguide and the second optical waveguide causing the thin film layer to include a first edge region, a first optical waveguide, an intermediate region, a second optical waveguide, and a second edge region; and an electrode, comprising including a first ground electrode, a signal electrode and a second ground electrode which are sequentially arranged at intervals. The first ground electrode at least includes a first main electrode, the second ground electrode at least includes a second main electrode, and the signal electrode at least includes a third main electrode.

Abstract: A viewing angle controller, a display panel, and a display device. The viewing angle controller includes at least one liquid crystal controlling box. The liquid crystal controlling box includes a first liquid crystal controlling box including a first substrate, a second substrate, and a first liquid crystal layer arranged between the first substrate and the second substrate. The first liquid crystal controlling box operates in a first state or in a second state. A transmittance of first light passing through the first liquid crystal controlling box in the second state is lower than one or both of a transmittance of the first light in the first state and a transmittance of second light passing through the first liquid crystal controlling box in the second state. An inclination of the first light is greater than that of the second light relative to the front-viewing direction of the viewing angle controller.

Abstract: An exemplary reconfigurable optical vector-matrix multiplier (VMM) and related optical waveguide switch are provided herein that can be employed in linear, reconfigurable photonic integrated circuits using CMOS electronic drivers developed and optimized for liquid crystal displays (LCDs). The approach can be straightforward to manufacture as compared to counterpart PIC and lower in cost. Devices based on the disclosed VMM can be programmed and reprogrammed in real-time to realize different PICs for applications in, e.g., optical communications, linear optical classical and quantum computing, neuromorphic computing, and optical sensing.

Abstract: In a display apparatus in which a liquid crystal panel is arranged on a protective plate curved to have a large curvature at an end, color unevenness of displayed images is suppressed. The display apparatus includes: a light-transmitting protective plate; a light-transmitting adhesive layer arranged on a rear surface of the protective plate; and a liquid crystal panel adhered to the protective plate through the light-transmitting adhesive layer. The protective plate is formed such that an end is curved to have a larger curvature than a curvature of a center and such that the end includes a region where a curvature of a rear surface is smaller than a curvature of a front surface. The liquid crystal panel is arranged to continuously cover at least a part of the center and the region of the end in the protective plate.

Abstract: An array substrate includes a base substrate, including a display area and a peripheral area; a driving circuit layer, located at one side of the base substrate and including a plurality of data lines and a plurality of scanning lines, where the plurality of data lines extend along a first direction and are arranged at intervals along a second direction, the plurality of scanning lines extend along the second direction and are arranged at intervals along the first direction, and the data line and the scanning line intersect with each other to define a plurality of sub-pixel areas; and a metal layer, located at one side of the driving circuit layer away from the base substrate, where the metal layer includes a plurality of metal blocks arranged at intervals, and the metal block is located at an intersection of the data line and the scanning line.

Abstract: Digital signage unit, such as for digital out of home advertising, with monitoring features are provided. The digital signage unit include an electronic display, a shock sensor, and a controller which receives data from the shock sensor and determines, on an ongoing basis, an operating status of the digital signage unit based, at least in part, the data from the shock sensor.

Abstract: Digital signage unit, such as for digital out of home advertising, with monitoring features are provided. The digital signage unit includes an electronic display, a sensor for measuring tilt, and a controller which receives data from the sensor and determines, on an ongoing basis, an operating status of the digital signage unit based, at least in part, on the data from the sensor.

Abstract: Display assemblies and related systems and methods are provided which provide condensation mitigation. A cover layer forms a forward portion of a housing for an electronic display located rearward of the cover layer. A continuous airflow pathway extends entirely within the housing such that the continuous airflow pathway is partitioned from an ambient environment. One or more gaskets are provided which, at least in part, partition the continuous airflow pathway from the ambient environment. The one or more gaskets extending from an interior surface of the cover layer to a portion of the housing.

Abstract: According to an aspect, a method for manufacturing a display device includes: producing an array substrate in which first electrodes are formed on a first light-transmitting base member; producing a counter substrate in which a second electrode is formed on a second light-transmitting base member; forming a sealing portion on the array substrate or the counter substrate; dropping, inside the sealing portion, polymer-dispersed liquid crystals that contain photocrosslinkable monomers and liquid crystal molecules in gaps between the monomers; bonding the array substrate to the counter substrate, and forming a liquid crystal layer in which the polymer-dispersed liquid crystals have been dropped; and curing the liquid crystal layer by irradiating the liquid crystal layer with ultraviolet rays while a voltage is applied to the first and second electrodes. At the producing the counter substrate, projections of the second electrode that project from the second electrode toward the first electrodes are formed.

Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; a light source disposed so that light is incident on a side surface of the first substrate or a side surface of the second substrate; a first electrode provided on the first substrate; and second electrodes provided on the second substrate. The liquid crystal layer includes polymer-dispersed liquid crystals including a polymer network formed in a mesh shape and liquid crystal molecules held in a dispersed manner in gaps of the polymer network. A plurality of first slits of the second electrodes that are provided for each pixel are arranged at predetermined intervals in a first direction, and the first slits extend in a second direction intersecting the first direction.

Abstract: An electro-optical apparatus includes a pixel electrode, a peripheral electrode, a transistor between the pixel electrode and a base, a relay layer between the pixel electrode and the transistor, a relay layer between the peripheral electrode and the base, a lens forming layer provided between the pixel electrode and the relay layer and including a lens surface and a contact hole, a lens forming layer provided between the peripheral electrode and the relay layer and including a lens surface and a contact hole, a contact plug provided in the contact hole and electrically coupling the pixel electrode and the relay layer, and a contact plug provided in the contact hole and electrically coupling the peripheral electrode and the relay layer.

Abstract: A display panel including a polarizer and an anti-glare and anti-reflection layer. The anti-glare and anti-reflection layer includes a hardened layer, a first matte particle layer including a plurality of first matte particles, and a second matte particles layer including a plurality of second matte particles. The first matte particles and the second matte particles are dispersed in the hardened layer. The second matte particle layer is positioned between the first matte particle layer and the polarizer body. An average refractive index of the first matte particles is less than an average refractive index of the second matte particles.

Abstract: A display panel including a substrate, a light emitting structure layer, a C-plate, and a first bandpass polarizing reflective layer is provided. The light emitting structure layer is disposed on the substrate and includes first light emitting structures. The first light emitting structures have a first peak emission wavelength. The C-plate is disposed on a side of the light emitting structure layer away from the substrate. The first bandpass polarizing reflective layer is disposed between the light emitting structure layer and the C-plate and overlapped with the light emitting structure layer. A reflectance of the first bandpass polarizing reflective layer for light with a wavelength in a first wavelength range is greater than 20%. The first wavelength range is the first peak emission wavelength±20 nm.

Abstract: A BLU includes a 2D array of LEDs producing light with an angular distribution of nominally ±90 degrees around a center. A transparent solid material layer is positioned with a bottom surface over the 2D array of LEDs and configured to transform the light produced by the 2D array into light having an angular distribution of nominally less than ±90 degrees around the at a top surface of the transparent solid material layer. A diffuser film is positioned over the top surface of the transparent solid material layer configured to provide a FWHM of greater than 60 degrees and configured to diffuse the light produced at the top surface of the transparent solid material layer to produce diffused light at a top surface of the diffuser film. A BEF positioned over the top surface of the diffuser film and comprising a plurality of prism microstructures, where at least some prism microstructures have an apex angle of approximately ninety degrees.

Abstract: The present disclosure discloses a driving backplate, a manufacturing method thereof, and a display device. The driving backplate includes a substrate, a reflective layer disposed on a side of a substrate, and a plurality of electronic devices disposed on a side of the reflective layer away from the substrate; the reflective layer includes a plurality of openings, and includes a plurality of overlapping parts disposed adjacent to the openings and corresponding to the plurality of openings; and an orthogonal projection of each of the overlapping parts on a plane of the substrate overlaps with an orthogonal projection of a part of each of the electronic devices on the plane of the substrate.