Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.

Abstract: A line scan imaging system scans a targeted inspection area and gathers reflectance and fluorescence data. The inspection system comprises at least a rotatable/pivotable mirror-faced triangular prism, a line illumination source, and a line scan hyperspectral camera. The prism has a mirrored camera face and a mirrored illumination face. In operation, as the prism rotates, the camera instantaneous field of view (IFOV) and the projected illumination line converge at a nadir convergence scan line so that the hyperspectral camera receives line scan data from the nadir convergence scan line as the nadir convergence scan line traverses an inspection area.

Abstract: The contamination sanitation inspection system (CSIS) allows a user to capture an image of a large scene (such as a food processing line, a food service facility, a food products storage area, or a plant production area/facility) and identify contamination within the scene and preferably represent the contamination on a spatially accurate map (or floorplan) so that contamination within the inspection map area is clearly identified and recorded for subsequent treatment. In an alternative embodiment, the CSIS also includes a decontamination system to sanitize any identified contamination.

Abstract: A line scan imaging system scans a targeted inspection area and gathers reflectance and fluorescence data. The inspection system comprises at least a rotatable/pivotable mirror-faced triangular prism, a line illumination source, and a line scan hyperspectral camera. The prism has a mirrored camera face and a mirrored illumination face. In operation, as the prism rotates, the camera instantaneous field of view (IFOV) and the projected illumination line converge at a nadir convergence scan line so that the hyperspectral camera receives line scan data from the nadir convergence scan line as the nadir convergence scan line traverses an inspection area.

Abstract: A light guide plate, a backlight module and a display device are disclosed. The light guide plate includes: a first optical path control layer, a second optical path control layer, and a light guide layer that are sequentially stacked. A plurality of prism structures are provided on a side of the first optical path control layer distal to the second optical path control layer. The first optical path control layer, the second optical path control layer, and the light guide layer all extend in a first direction. The first optical path control layer is configured to deflect the light that enters the first optical path control layer from the light guide layer through the second optical path control layer, so that the deflected light passes through the second optical path control layer and is emitted from the light exit surface of the light guide layer.

Abstract: The present disclosure relates to a method for manufacturing a micro LED display substrate. The method may include forming an array of micro LEDs on an epitaxial wafer; transferring the array of micro LEDs on the epitaxial wafer to an adhesive layer on a surface of a transfer substrate assembly; and transferring the array of micro LEDs on the surface of the transfer substrate assembly onto corresponding pads on a driving substrate respectively.

Abstract: An optical collimation assembly, a backlight module and a display device are disclosed. The optical collimation assembly includes: a collimation film including a light incident surface and a light exiting surface; and a light modulation component, located on the light incident surface of the collimation film and includes a plurality of light modulation portions arranged in an array. Each of the plurality of light modulation portions includes: a first surface; a second surface; and a third surface intersecting both the first surface and the second surface, an included angle between the third surface and the first surface is an acute angle, wherein the third surface is configured to reflect light entering the light modulation portion from the second surface, such that the light being reflected exits from the collimation film along a direction substantially perpendicular to the light exiting surface.

Abstract: The present application discloses a light collimating thin film, an edge-type backlight module, a liquid crystal display device, and a micro light emitting diode display device. The light collimating thin film includes a substrate having a first surface and a second surface which are opposed to each other, and a plurality of conical structures respectively penetrating the substrate. Axes of the plurality of conical structures are respectively perpendicular to the first surface and the second surface.

Abstract: The present disclosure relates to a method for manufacturing a micro LED display substrate. The method may include forming an array of micro LEDs on an epitaxial wafer; transferring the array of micro LEDs on the epitaxial wafer to an adhesive layer on a surface of a transfer substrate assembly; and transferring the array of micro LEDs on the surface of the transfer substrate assembly onto corresponding pads on a driving substrate respectively.

Abstract: An optical collimation assembly, a backlight module and a display device are disclosed. The optical collimation assembly includes: a collimation film including a light incident surface and a light exiting surface; and a light modulation component, located on the light incident surface of the collimation film and includes a plurality of light modulation portions arranged in an array. Each of the plurality of light modulation portions includes: a first surface; a second surface; and a third surface intersecting both the first surface and the second surface, an included angle between the third surface and the first surface is an acute angle, wherein the third surface is configured to reflect light entering the light modulation portion from the second surface, such that the light being reflected exits from the collimation film along a direction substantially perpendicular to the light exiting surface.

Abstract: A light guide plate, a backlight module and a display device are disclosed. The light guide plate includes: a first optical path control layer, a second optical path control layer, and a light guide layer that are sequentially stacked. A plurality of prism structures are provided on a side of the first optical path control layer distal to the second optical path control layer. The first optical path control layer, the second optical path control layer, and the light guide layer all extend in a first direction. The first optical path control layer is configured to deflect the light that enters the first optical path control layer from the light guide layer through the second optical path control layer, so that the deflected light passes through the second optical path control layer and is emitted from the light exit surface of the light guide layer.

Abstract: A light convergence structure includes light convergence portions. Each light convergence portion includes a frustum structure and a plano-convex structure. The frustum structure includes a first end surface and an opposite second end surface. An area of the first end surface is less than an area of the second end surface. The plano-convex structure is on the second end surface of the frustum structure. The plano-convex structure includes a flat surface and an opposite convex spherical surface. The flat surface is in contact with the second end surface. An area of the flat surface is equal to the area of the second end surface. The first end surfaces of the light convergence portions are coplanar and together define a light incident surface of the light convergence structure.

Abstract: Provided is an optical device, a method for manufacturing the same, and a display device. The optical device includes a chip substrate and a quantum dot film. The quantum dot film includes a quantum dot functional layer, a first package substrate, a second package substrate, and a prism structure and/or a uniform-light diffusing film.

Abstract: A light guide assembly, a light collimation assembly, a backlight module and a display device are provided. The light guide assembly includes a first prism sheet, a dielectric layer and a second prism sheet sequentially laminated, a light refractive index of the dielectric layer is smaller than that of the first prism sheet and that of the second prism sheet, the first prism sheet includes a light incident side surface, and a first plane and a first prism surface, the first plane is closer to the dielectric layer, and the first prism surface includes first prism portions extending along a second direction, the second prism sheet includes a second plane and a second prism surface, the second plane is closer to the dielectric layer, the second prism surface includes second prism portions extending along the second direction, and the second prism portion has a reflection surface.

Abstract: Provided are a light emitting module and a display apparatus. The light emitting module includes: a light emitting unit and a light guide plate; the light guide plate includes a first plate surface and a second plate surface opposite to each other, and a plurality of side surfaces; the light emitting unit is configured to emit light to the light guide plate from the target side surface; the first plate surface includes a plurality of target convex ridges disposed in sequence along a direction away from the light emitting unit; each target convex ridge is configured to totally reflect light emitted from the target side surface into the light guide plate to the second plate surface, angles between the target ridge surfaces of the plurality of target convex ridges and a thickness direction of the light guide plate tends to decrease.

Abstract: The present application discloses a light collimating thin film, an edge-type backlight module, a liquid crystal display device, and a micro light emitting diode display device. The light collimating thin film includes a substrate having a first surface and a second surface which are opposed to each other, and a plurality of conical structures respectively penetrating the substrate. Axes of the plurality of conical structures are respectively perpendicular to the first surface and the second surface.

Abstract: A light guide assembly, a light collimation assembly, a backlight module and a display device are provided. The light guide assembly includes a first prism sheet, a dielectric layer and a second prism sheet sequentially laminated, a light refractive index of the dielectric layer is smaller than that of the first prism sheet and that of the second prism sheet, the first prism sheet includes a light incident side surface, and a first plane and a first prism surface, the first plane is closer to the dielectric layer, and the first prism surface includes first prism portions extending along a second direction, the second prism sheet includes a second plane and a second prism surface, the second plane is closer to the dielectric layer, the second prism surface includes second prism portions extending along the second direction, and the second prism portion has a reflection surface.

Abstract: Provided are a light emitting module and a display apparatus. The light emitting module includes: a light emitting unit and a light guide plate; the light guide plate includes a first plate surface and a second plate surface opposite to each other, and a plurality of side surfaces; the light emitting unit is configured to emit light to the light guide plate from the target side surface; the first plate surface includes a plurality of target convex ridges disposed in sequence along a direction away from the light emitting unit; each target convex ridge is configured to totally reflect light emitted from the target side surface into the light guide plate to the second plate surface, angles between the target ridge surfaces of the plurality of target convex ridges and a thickness direction of the light guide plate tends to decrease.

Abstract: Provided is an optical device, a method for manufacturing the same, and a display device. The optical device includes a chip substrate and a quantum dot film. The quantum dot film includes a quantum dot functional layer, a first package substrate, a second package substrate, and a prism structure and/or a uniform-light diffusing film.

Abstract: A light convergence structure includes light convergence portions. Each light convergence portion includes a frustum structure and a plano-convex structure. The frustum structure includes a first end surface and an opposite second end surface. An area of the first end surface is less than an area of the second end surface. The plano-convex structure is on the second end surface of the frustum structure. The plano-convex structure includes a flat surface and an opposite convex spherical surface. The flat surface is in contact with the second end surface. An area of the flat surface is equal to the area of the second end surface. The first end surfaces of the light convergence portions are coplanar and together define a light incident surface of the light convergence structure.