Abstract: The present invention relates to a liquid crystal light modulating device comprising substrates coated with a transparent conductive layer and a liquid crystal composition sandwiched between the substrates with a dichroic dye added; the resulting liquid crystal light modulating device can exist in at least two stable states that remain substantially stable after removal of a voltage, wherein at least one of them is the liquid crystal molecules arranged in a substantially ordered manner, and at least one of them is the liquid crystal molecules arranged in a multi-domain and disordered manner; the applied voltage makes the arrangement of liquid crystal molecules can be quickly switched between the above stable states, and different liquid crystal molecule arrangements from the stable states can be obtained; the above liquid crystal light modulating device for incident light can be adjusted between the minimum absorption and minimum scattering state of high clarity and transparency to the maximum absorption and

Abstract: The present application relates to a polymer microparticle, a preparation method therefor and use thereof. The polymer microparticle is formed by cross-linking at least partially cross-linkable polymer materials including rigid nanoparticles, wherein at least one of the rigid nanoparticles has a non-spherical, symmetrical shape in a solution, and the rigid nanoparticles at least partially form a substantially ordered arrangement structure in the polymer microparticle. The polymer microparticle disclosed by the present application, when used as a stationary phase in a chromatographic separation, has excellent mechanical properties and good biocompatibility, and can also effectively improve the separation efficiency.

Abstract: The present invention relates to a transparent projection screen having a Fresnel structure. The projection screen is provided with Fresnel structure units having a specific structure, such that incident light irradiated to each Fresnel structure unit can be corrected by a Fresnel microstructure at this position and is reflected in the direction of an observer within a certain visible range, thereby improving the display uniformity of the transparent projection screen, and also reducing the interference of external ambient light on the transparent projection screen, such that a projection system using the transparent projection screen has a good viewing effect.

Abstract: A frameless auto-dimming rear view mirror, including an absorptive-type polarizing layer, a liquid crystal dimming layer and a reflective-type polarizing. The liquid crystal dimming layer includes a first transparent substrate, a first transparent electrode, a first alignment layer, a liquid crystal layer, a second alignment layer, a second transparent electrode and a second transparent substrate arranged in sequence. The first transparent substrate is adjacent to the absorptive-type polarizing layer, and its position corresponds to the position of the second transparent substrate, and the first transparent substrate is provided with a step which is beyond the position of the second transparent substrate at its edge.

Abstract: A liquid crystal mixture applied in light modulating devices includes at least one compound selected from the group of compounds of formula I, at least one compound selected from the group of compounds of formula II and/or formula III, and at least one chiral compound. A light modulating device includes the liquid crystal mixture, where the light modulating device has reduced haze in the transparent state while increased opacity in the light scattering state.

Abstract: A liquid crystal mixture applied in light modulating devices includes at least one compound selected from the group of compounds of formula I, at least one compound selected from the group of compounds of formula II and/or formula III, and at least one chiral compound. A light modulating device includes the liquid crystal mixture, where the light modulating device has reduced haze in the transparent state while increased opacity in the light scattering state.

Abstract: A rearview mirror with a dimming function includes: a transparent cover substrate covering substantially the full screen of the rearview mirror, an absorptive polarization layer disposed below the transparent cover substrate with a substantially uniform size, where when non-polarized ambient light passes through the absorptive polarization layer, the layer absorbs light of a polarization parallel to its absorption axis while transmits light of a polarization perpendicular to its absorption axis, a liquid crystal light-controlling layer disposed below the absorptive polarization layer with a substantially uniform size, and a reflective polarization layer disposed below the liquid crystal light-controlling layer with a substantially uniform size, which reflects the light of a polarization parallel to its reflective axis while transmits the light of a polarization perpendicular to its reflective axis.

Abstract: A rearview mirror with a dimming function includes: a transparent cover substrate covering substantially the full screen of the rearview mirror, an absorptive polarization layer disposed below the transparent cover substrate with a substantially uniform size, where when non-polarized ambient light passes through the absorptive polarization layer, the layer absorbs light of a polarization parallel to its absorption axis while transmits light of a polarization perpendicular to its absorption axis, a liquid crystal light-controlling layer disposed below the absorptive polarization layer with a substantially uniform size, and a reflective polarization layer disposed below the liquid crystal light-controlling layer with a substantially uniform size, which reflects the light of a polarization parallel to its reflective axis while transmits the light of a polarization perpendicular to its reflective axis.

Abstract: A display device includes: an optical sensing array to detect light; a backlight to emit light toward a surface of the display device; and a thin optical film layer at the surface of the display device, the thin optical film layer being configured to, while a first shear force is being applied at a first point of contact at the surface of the display device, reflect light having a first wavelength at a front area ahead of the first point of contact in a direction of the first shear force, and reflect light having a second wavelength at a back area behind the first point of contact opposite the front area, the first wavelength being different from the second wavelength.

Abstract: A flexible conductive coating including: a first plurality of conductive traces extending in a first direction and a second plurality of conductive traces, each of the conductive traces including metal nanoparticles and ones of the second plurality of conductive traces being electrically coupled to ones of the first plurality of conductive traces, wherein each of the first plurality of conductive traces includes two substantially parallel long sides and two rounded short sides connecting the two long sides, and wherein more of the metal nanoparticles are at an outer edge of each of the conductive traces than are at an inner region bounded by the sides of each of the conductive traces.

Abstract: According to one or more embodiments of the present invention, a method for fusing metal nanowire junctions in a conductive film includes applying a constant current through the conductive film including a plurality of metal nanowires and a plurality of metal nanowire junctions, or conducting an ultrasonic welding of the metal nanowire junctions.

Abstract: A detector to detect light of a wavelength range and an incidence angle range, the detector including a substrate, a plurality of dielectric structures on the substrate, each one of the plurality of dielectric structures being to receive light through a side of the dielectric structure opposite the substrate, and a plurality of conductive structures on the substrate, consecutive conductive structures of the plurality of conductive structures having a corresponding dielectric structure of the plurality of dielectric structures therebetween, wherein the consecutive conductive structures and the corresponding dielectric structure form a cavity to induce an absorption resonance in response to receiving the light of the wavelength range.

Abstract: A display including a light emitting display panel; an optical layer on the display panel including: a waveguide; and a light coupling component in the waveguide; a detector optically coupled to the waveguide; and an on-board calibration unit electrically coupled to the detector and configured to modify the output of the light emitting display panel based on a measurement made by the detector.

Abstract: A flexible conductive coating including: a first plurality of conductive traces extending in a first direction and a second plurality of conductive traces, each of the conductive traces including metal nanoparticles and ones of the second plurality of conductive traces being electrically coupled to ones of the first plurality of conductive traces, wherein each of the first plurality of conductive traces includes two substantially parallel long sides and two rounded short sides connecting the two long sides, and wherein more of the metal nanoparticles are at an outer edge of each of the conductive traces than are at an inner region bounded by the sides of each of the conductive traces.

Abstract: A haptic device including a first electrode including a first sub-electrode configured to receive a first voltage, and a second sub-electrode configured to receive a second voltage, a second electrode overlapping with the first electrode, and a deformable layer located between the first and second electrodes and configured to deform in response to the applied first and second voltages, and to change a relative position of at least one of the first and second sub-electrodes with respect to the second electrode, wherein the first and second voltages are in reference to the second electrode.

Abstract: A system for detecting contact of an object with a display. The system may include a light emitting sheet on the display, the light emitting sheet being configured to emit light when the object is in contact with a point on the sheet and an optical detector in the display, which may be used to detect the emitted light and to locate the point of contact.

Abstract: A touch panel includes: a touch area; a collimated acoustic wave generator at a periphery of the touch area to generate a collimated acoustic wave across the touch area; and a detector at the periphery of the touch area to detect the collimated acoustic wave.

Abstract: According to one or more embodiments of the present invention, a method for fusing metal nanowire junctions in a conductive film includes applying a constant current through the conductive film including a plurality of metal nanowires and a plurality of metal nanowire junctions, or conducting an ultrasonic welding of the metal nanowire junctions.

Abstract: A display device includes: an optical sensing array to detect light; a backlight to emit light toward a surface of the display device; and a thin optical film layer at the surface of the display device, the thin optical film layer being configured to, while a first shear force is being applied at a first point of contact at the surface of the display device, reflect light having a first wavelength at a front area ahead of the first point of contact in a direction of the first shear force, and reflect light having a second wavelength at a back area behind the first point of contact opposite the front area, the first wavelength being different from the second wavelength.

Abstract: A detector to detect light of a wavelength range and an incidence angle range, the detector including a substrate, a plurality of dielectric structures on the substrate, each one of the plurality of dielectric structures being to receive light through a side of the dielectric structure opposite the substrate, and a plurality of conductive structures on the substrate, consecutive conductive structures of the plurality of conductive structures having a corresponding dielectric structure of the plurality of dielectric structures therebetween, wherein the consecutive conductive structures and the corresponding dielectric structure form a cavity to induce an absorption resonance in response to receiving the light of the wavelength range.