Abstract: According to one embodiment, a display device includes a display panel, a light source, a lightguide, and reflective elements. The lightguide includes a first end facing the light source, a first surface opposed to the display panel, and a second surface. The reflective elements are disposed inside the lightguide, the elements configured to reflect light passing through the first end to spread in the lightguide and to transmit the light through the first surface. Reflective elements are arranged to be apart from the first or second surface with a certain distance and has a reflective surface facing the first surface and projects toward the second surface, the reflective surface is inclined such that the light from the first end can be irradiated to the first surface.

Abstract: A display device includes a display panel having a first surface with a first side, a second surface parallel and opposite to the first surface and having a second side opposite to the first side, and an end surface connecting the first side and the second side, a first polarizer disposed on the first surface, and a second polarizer disposed on the second surface. The first polarizer and the second polarizer respectively protrude from the first side and the second side and are bent oppositely to form a first bent portion and a second bent portion; and the first bent portion and the second bent portion at least partially overlap, and the overlapping portion at least partially covers the end surface.

Abstract: The present invention disclosed a flat lamp, comprising a light guide layer, a reflective layer, a diffusion layer, a buffer layer, and a backplane, the light guide layer has two opposite faces including a back face and a light emitting face, the reflective layer is located on the back face of the light guide layer, the diffusion layer is located on the light emitting face of the light guide layer, the buffer layer is located between the backplane and the reflective layer, and several light guide points are provided between the reflective layer and the light guide layer, the flat lamp further comprises a light source and an outer frame, with incident points being located on a lateral side of the light guide layer, the stacked structure is in the shape of a flat plate.

Abstract: According to one embodiment, a display device includes a display panel, a light source, a light guide and a prism sheet. The display panel includes a display area in which unit pixels each containing first sub-pixels and second sub-pixels are arranged along a first direction and a second direction. In the display area, the first sub-pixels have a width different from that of the second sub-pixel in at least one of the first direction and the second direction, or each unit pixel contains different numbers of first sub-pixels and second sub-pixels. The prism sheet is interposed between the light guide and the display panel and includes prisms extending along a third direction inclined with respect to the second direction by an acute angle of inclination.

Abstract: An LED package structure includes a first metal plate, a second metal plate, and a mold. The first metal plate has at least one first protrusion portion. The second metal plate has at least one second protrusion portion. The mold is disposed on the first metal plate and the second metal plate, in which the mold has a first side surface, a second side surface opposite to the first side surface, a third side surface, and a fourth side surface opposite to the third side surface. The first and second protrusion portion protrude respectively from the first side surface and the second side surface, and the first metal plate and the second metal plate are covered by the third side surface and the fourth side surface, in which a portion of the first side surface between the first edge and the first protrusion portion is a fracture surface.

Abstract: Provided is a wavelength conversion member, including: a wavelength conversion layer containing a quantum dot which is excited by excitation light and emits fluorescent light; and an adjacent layer directly laminated on the wavelength conversion layer, in which the shape of an interface between the wavelength conversion layer and the adjacent layer includes an irregular shape formed of a concave portion and a convex portion. Provided are a backlight unit, a polarizing plate, a liquid crystal panel, and a liquid crystal display device: including the wavelength conversion member.

Abstract: A backlight module including a back plate and a light guide plate structure and a light source assembly disposed on the back plate, wherein the light guide plate structure is mainly formed by splicing a plurality of light guide plate blocks, each of the plurality of light guide plate blocks includes a splicing end surface and at least one incident light end surface, and the light source assembly is disposed on at least one incident light end surface of the light guide plate blocks. Additionally, a liquid crystal display including the above backlight module is disclosed. The light guide plate structure in the backlight module may reduce a light mixing height of the backlight module and is advantageous to thinning the product; in addition, the structure of the light guide plate is simple and easy to be implemented, which is advantageous to lower the cost of the product.

Abstract: An area light source apparatus includes a first light source and a second light source. Each of the first light source and the second light source is a three-wavelength light-emitting diode. The first light source includes first spectral characteristics including a first peak value at a blue peak wavelength, a second peak value at a green peak wavelength, and a third peak value at a red peak wavelength. The second light source includes second spectral characteristics including a fourth peak value at a blue peak wavelength, a fifth peak value at a green peak wavelength, and a sixth peak value at a red peak wavelength. The second peak value is substantially equal to the fifth peak value, and the third peak value is substantially equal to the sixth peak value.

Abstract: A method for producing an optical waveguide composing an optical path conversion component having an extremely low signal loss, allowing a high surface packaging density and high speed operation, and allowing high productivity. A method for producing an optical waveguide that propagates light from a surface of a support to an oblique direction not vertical to the surface, the method for producing an optical waveguide comprising the steps of: (1) providing an anti-reflective coating on the support; (2) placing a photosensitive resin composition on the anti-reflective coating, and exposing the photosensitive resin composition to a light ray entering from a direction non-vertical to the surface of the support through a photomask for curing the composition; and (3) removing the unexposed photosensitive resin composition by development; and an optical waveguide obtained by the method.

Abstract: Embodiments provide a display device including: a thin film transistor disposed on an insulation substrate including a plurality of pixels; a common electrode and a pixel electrode disposed on the thin film transistor to overlap each other while interposing an insulating layer therebetween; a liquid crystal layer filling microcavities differentiated by pixel electrodes, the pixel electrodes comprising the pixel electrode; and a roof layer that is disposed on a microcavity of the microcavities and includes an injection hole extending to the microcavity and a supporting member to support the microcavity; and an optical member disposed on the supporting member, wherein the injection hole is disposed between adjacent microcavities in a column direction, and the supporting member is disposed between adjacent microcavities in a row direction. Total reflection of light, bad alignment, and light leakage which may occur in the display device may be prevented by the optical member.

Abstract: Disclosed is a backlight module. The backlight module includes a backplane. The backplane is provided with a groove therethrough. Two sides and/or two ends of an optical diaphragm of the backlight module each are connected with a bendable flap which passes through the groove and is attached to the backplane. The backlight module has a simple structure without a plastic frame or a frame sealant, and an optical diaphragm in the backlight module can be fixed. A super narrow frame of the backlight module can be realized.

Abstract: A color filter substrate, a display panel and a display device are provided. The color filter substrate includes a base plate and a color filter layer formed on the base plate, a photoluminescent layer arranged at a side of the color filter layer away from the base plate, and a brightness enhancement structure arranged at the side of the color filter layer away from the base plate. In the color filter substrate, by arranging the photoluminescent layer and the brightness enhancement structure at the side of the color filter layer away from the base plate, the color filter substrate has a better color gamut and the brightness at a light-outgoing side is increased.

Abstract: A display apparatus includes: a display panel; a light guide plate disposed behind the display panel; a printed circuit board; a heat radiator disposed on the printed circuit board and configured to radiate heat; and a plurality of light source packages disposed on the printed circuit board and configured to supply light to the light guide plate, each light source package of the plurality of light source packages including: a light source configured to generate the light; a light converter configured to convert properties of the light generated by the light source, and a package housing in which the light source is installed, the package housing being disposed on the printed circuit board and in contact with the light converter to transfer heat from the light converter to the heat radiator.

Abstract: A display device includes a display panel with a first area having pixels on a first surface of a substrate, a second area having pads on the first surface of the substrate, and a third area part of the second area and having the second surface of the substrate bent toward the first surface, and a flexible PCB with a first bent portion in the second area and contacting and electrically connected to the pads, the first bent portion being bent from inside of the display panel toward an external side of the display panel to wrap around an edge of the display panel, and a second bent portion extending from the first bent portion and wrapping an external side of the second area and bent toward the inside of the display panel from the external side of the display panel to contact the second surface of the substrate.

Abstract: A method of manufacturing a display device includes providing a window including a printed area and a plurality of alignment key areas, patterning a printed layer on the printed area such that the plurality of alignment key areas is exposed and the printed layer covers the printed area, aligning a panel to the window by using the plurality of alignment key areas, and coupling the panel to the window.

Abstract: A backlight unit includes a first light source, a second light source, and a light guide plate having, on an upper surface, and, on a lower surface, a second pattern. The first pattern extracts, from the light guide plate, light from the first and second light sources, and emits the light towards a display panel. The second pattern extracts, from the light guide plate, light from the second light source, and emits the light toward the display panel. A display panel may include the backlight unit.

Abstract: In a general aspect, a display device may include a flexible display having a substantially flat central portion and an end portion, a printed circuit film disposed on the end portion of the display, a panel member attached to the printed circuit film, the panel member being bent around a bend axis to form an edge of the display, and a support structure disposed inside of formed edge of the panel member, the support structure being non-parallel to the flat central portion of the display. The panel member may conform to a shape of the support structure.

Abstract: An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second deflected direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources from the side of the waveguide and hence defines the relative positions of system elements and ray paths. A directional backlight with small footprint and low thickness may be provided.

Abstract: A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65<Cx<0.69 and 0.29<Cy<0.3370 in color coordinates, and a green apex of a color region of the white light is positioned in a region of 0.17<Cx<0.31 and 0.61<Cy<0.70 in the color coordinates.

Abstract: The described technology relates to a backlight unit and a display device including the backlight unit. In one aspect, the backlight unit includes a light source and a light guiding plate configured to guide light emitted from the light source. The backlight unit also includes an optical sheet integrally formed with the light guiding plate and including a micro pattern configured to emit light reflected from the light guiding plate.

Abstract: An adaptive backlight module and a method and system for producing an adaptive backlight module are described herein. In one example, an adaptive backlight module includes a light source, a polarizer, at least one enhancement film disposed between the light source and the polarizer, and a diffuser disposed between the light source and the enhancement film. The diffuser includes a first electrode coupled to a first substrate and a second electrode coupled to a second substrate. A liquid crystal layer is disposed between the first electrode and the second electrode of the diffuser.

Abstract: A fingerprint identification module and a manufacturing method thereof, and a display device are provided. The fingerprint identification module includes: a first electrode layer and a second electrode layer opposed to each other, and a transparent insulating layer interposed between the first electrode layer and the second electrode layer; the first electrode layer includes a plurality of first electrode wires spaced apart from each other; the second electrode layer includes a plurality of second electrode wires spaced apart from each other; the plurality of second electrode wires and the plurality of first electrode wires are intersected with each other; the first electrode layer is formed of a transparent conductive material, and the second electrode layer is a wire grid polarizer.

Abstract: A backlight unit includes side emitting-type LEDs, a light guide plate, and an LED board. The light guide plate includes a light entering end surface, a light exiting plate surface, and an opposite plate surface. The LED board includes a plate surface attached to an edge of the opposite plate surface. A gap in a range from 0.1 mm to 0.2 mm is provided between light emitting surfaces of the LEDs and the light entering end surface. The edge of each light emitting surface is at a position ?D1 mm inner than an edge of the light entering end surface with respect to a thickness direction of the light guide plate. An edge of each light emitting surface is at a position ?D2 mm inner than an edge of the light entering end surface. ?D1 and ?D2 satisfy relational expressions: ?D2??D1 and ?D2?0.1.

Abstract: The present disclosure relates to the field of display technologies, and discloses a light guide plate, a backlight module and a display device, for improving light exit uniformity of the light guide plate and reducing occurrence of phenomenons such as brightness non-uniformity and intersecting light beams of the display device. A plurality of first light-diffusing units is disposed on a light incident surface of the light guide plate. At least one light-diffusing structure is disposed in a set region within the light guide plate in a direction facing away from the light incident surface. In the light guide plate, by disposing a plurality of first light-diffusing units and at least one light-diffusing structure on the light incident surface, light emitted from a light source can be better diffused after passing through the light guide plate and become more uniform before entering the display panel.

Abstract: A display device and a control method thereof are provided. The display device includes a light emitter, configured to emit light; and a light reflector, configured to reflect the light from the light emitter onto one or more side viewing regions of a viewing region of a display panel. The viewing region further includes a front viewing region in front of the display panel. The one or more side viewing regions are adjacent to the front viewing region.

Abstract: A light emitting emblem includes: a board; a light source arranged at the board; a light guide plate having a second peripheral edge and an inner side portion, the second peripheral edge having a first surface facing the light source and a second surface opposite to the first surface, the first surface including a light entering part into which light from the light source is incident, and the second surface including an inclination part through which the light incident into the light entering part is reflected to the inner side portion from the second peripheral edge; and a shielding plate that shields the light from the light source and prevents light not incident from the light entering part from being incident into the inner side portion, wherein the inclination part is positioned at an outer edge of the light emitting emblem from the shielding plate.

Abstract: A display includes a light guide plate, a plurality of light sources disposed along an edge of the light guide plate, and a flexible carrier to which the plurality of light sources are secured. The flexible carrier includes a plurality of flexures, each flexure of the plurality of flexures disposed between a respective pair of adjacent light sources of the plurality of light sources to allow a spacing between the pair of adjacent light sources to change.

Abstract: Methods, systems, apparatuses, and computer program products are provided for a backlight assembly for a display device. The backlight assembly includes a transparent waveguide layer, a plurality of light sources, and a tunable grating layer. The light sources are arranged along an edge of the waveguide layer. Each light source transmits light into the waveguide layer through the edge. The grating layer is coupled to the waveguide layer, and has multiple rows. Each row of the grating layer is segmented into a series of cells so the grating layer is sectioned into an array of cells. Each cell is independently controllable to either not extract incident light received from within the waveguide layer, or to extract the incident light for emission from the backlight assembly. In another configuration, the waveguide layer is not present, and the light sources transmit light directly into an edge of the grating layer.

Abstract: An illustrative refrigeration unit door includes a transparent window portion that receives light from a light source such that the light exhibits total internal reflection within the window portion. A series of uniformly-sized prisms with non-uniform spacing ejects light from one face of the transparent window portion at angles around 60 degrees and 30 degrees. Collimated light can be used to reduce the amount of light ejected from a second face of the transparent window that is opposite the first face.

Abstract: The present invention has an object to provide a production method that can prevent side etching and delamination of an anisotropic dye coating formed by an application process, thereby providing a polarizing element that exhibits durable performance and rugged reliability and that is less affected by a solvent or the like used in a production process after formation of the anisotropic dye coating, which leads to improved flexibility of the production process. The present invention also provides a polarizing element that includes a substrate, an anisotropic dye coating, and a resin composition layer, wherein the anisotropic dye coating and the resin composition layer are sequentially layered on the substrate, wherein the top surface and all side surfaces of the anisotropic dye coating are covered with the resin composition layer, and wherein the anisotropic dye coating and the resin composition layer are not formed on portions of the substrate.

Abstract: A double-side display device and a fixing structure of a backlight module of the same. The fixing structure includes: a first fixing part, a second fixing part, and a third fixing part, wherein the first fixing part includes a first main body portion, a first carrying portion and a first connection portion formed integrally; the second fixing part includes a second connection portion and a second carrying portion formed integrally, the second connection portion is detachably connected with the first connection portion; and the third fixing part includes a third main body portion, a third carrying portion and a third connection portion formed integrally, wherein the third connection portion is used for fixing and connecting with the first fixing part. The fixing structure for the backlight module realize the fixing to the backlight module through multiple fixing parts which is simple in structure, and the assembly process is simple.

Abstract: A quantum tube includes a tube body, a plurality of first fluorescent particles and a plurality of second fluorescent particles. The tube body has a light incident surface, a light emitting surface, a top surface and a bottom surface. The top surface is connected between the light incident surface and the light emitting surface. The bottom surface is connected between the light incident surface and the light emitting surface. The top surface is opposite to the bottom surface. The top surface has an inclined portion. The inclined portion inclines with respect to the bottom surface by an angle. The first fluorescent particles are disposed in the tube body. The second fluorescent particles are disposed in the tube body.

Abstract: A display device includes a display panel and a backlight unit which provides light to the display panel. The backlight unit includes a light source which emits the light, a light guide plate which guides the light emitted from the light source toward the display panel, and a prism plate. The prism plate includes a base film disposed on the light guide plate and a plurality of prisms disposed on the base film. Each of the prisms has an isosceles trapezoidal section, two base angles of which are obtuse angles, when viewed from a cross-sectional view in a width direction.

Abstract: An illumination device includes: a light source; an optical component provided separately from the light source; a holding member holding the light source and the optical component; and a variable pressing member variably pressing the optical component against the holding member.

Abstract: A liquid crystal display device includes a liquid crystal panel that includes a liquid crystal cell including a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a pair of polarizers arranged on a light incident side and a light emission side of the liquid crystal layer; an illumination device that is arranged on the light incident side of the liquid crystal cell, and emits light toward the liquid crystal cell; and a light control member that is arranged on the light emission side of the liquid crystal panel, and controls an emission direction of light emitted from the liquid crystal panel by anisotropically diffusing the light in an azimuthal direction as viewed from a direction normal to the liquid crystal panel.

Abstract: Provided is a display device serving as a see-through display which is capable of ensuring the clarity of a displayed image while maintaining high transparency and is less likely to be limited in terms of the location of installation. A dot-printed light-emitting area of a light guiding plate (60) emits, as backlight, light whose intensity is so high that the intensity of ambient light can be negligible, and therefore, the observer on the front side of a liquid crystal display device (10) is able to see a clear image displayed in an image display area (75) of a liquid crystal panel (20). Moreover, ambient light is transmitted through a light-transmissive area (72) of the light guiding plate (60) to be incident on a transparent display area of the liquid crystal panel (20), and therefore, the observer can see a background displayed with high transparency in the transparent display area (76).

Abstract: A display device is disclosed. In one aspect, the display device includes a substrate including a display area and a peripheral area adjacent to the display area. The display device also includes a plurality of display elements disposed in the display area. The display device also includes an insulating layer disposed in the display area and the peripheral area, wherein the insulating layer has a non-continuous area disposed in the peripheral area of the substrate.

Abstract: A backlight module includes a first surface light source assembly, a second surface light source assembly disposed above the first surface light source assembly, a first optical film disposed above the second surface light source assembly and including a plurality of prisms arranged along a first direction, and a light filter element disposed between the first and second surface light source assemblies. Both of the first surface light source assembly and the second surface light source assembly include a light emitting unit and a light guide plate. Each prism has a tip end facing the second surface light source assembly. The light filter element is configured to allow an incident light ray within a predetermined range of incident angle to pass therethrough. The backlight module can be switched between a narrow viewing angle mode and a wide viewing angle mode. Related driving method and display apparatus are also provided.

Abstract: The general inventive concepts provide a transparent display device comprising at least one display panel, the transparent display device further comprises a backlight light source and at least one double-sided reflector array located at the backlight side of the display panel. The double-sided reflector array comprises a plurality of double-sided reflectors arranged aslant relative to the display panel. The backlight light source is located at one side of the double-sided reflector array, and is capable of providing light beams to the double-sided reflector array.

Abstract: According to one embodiment, a backlight device includes a frame formed of a sheet material, a first adhesive layer provided on one surface of the frame, a reflective sheet attached to the frame with the first adhesive layer, an optical member disposed on the reflective sheet in the frame, and a light source disposed in the frame and configured to emit light to the optical member. In at least a part of the frame, a width of the frame and a width of the first adhesive layer are equal to each other, and at least an external surface of the frame and an external surface of the first adhesive layer are flush with each other.

Abstract: The present disclosure relates to a field of display technology and discloses a light guide plate and a method of producing the same. The light guide plate includes a body having a surface which forms an incident surface, an exit surface and a slope, wherein the incident surface is perpendicular to the exit surface, and the incident surface and the exit surface are connected by the slope, wherein in a direction perpendicular to the incident surface and from the incident surface towards the exit surface, thickness of location of the light guide plate where the slope is formed is gradually reduced, and wherein the slope is provided with a light guide component for guiding the light that is emitted towards the slope towards an area inside the light guide plate that corresponds to the exit surface.

Abstract: A micro-transfer printed intermediate structure comprises an intermediate substrate and one or more pixel structures disposed on the intermediate substrate. Each pixel structure includes an LED, a color filter, and a fractured pixel tether physically attached to the pixel structure. A fractured intermediate tether is physically attached to the intermediate substrate. A method of making an intermediate structure source wafer comprises providing a source wafer having a patterned sacrificial layer including sacrificial portions separated by anchors, disposing an intermediate substrate over the patterned sacrificial layer, and disposing one or more pixel structures on the intermediate substrate entirely on or over each sacrificial portion. Each pixel structure includes an LED, a color filter, and a fractured pixel tether physically attached to the pixel structure to form an intermediate structure.

Abstract: A side edge planar lighting unit includes a light emitting diode, a light guide plate, and a transparent flexible resin between the light emitting diode and the light guide plate. The light emitting diode and the light guide plate are brought into close contact by the transparent flexible resin. The light guide plate includes a light exit face on a first main surface, a reflective face on a side opposite the light exit face, and a recessed portion in a first side edge. The recessed portion includes the light entrance face on a bottom surface, a pair of light entrance side faces facing each other across the light entrance face, and an anti-slip portion made of an uneven structure on at least one of the light entrance side faces. The transparent flexible resin is fitted in the recessed portion of the light guide plate.

Abstract: A backlight unit has a light-guide plate and a light source optically coupled with the light-guide plate, with which light is input from a plane of the light-guide plate and white-light is output from the first principal plane of the light-guide plate. The light source has a plurality of blue light emitting diodes, red phosphor material excited by light from the blue light emitting diodes and emits red light, and a plurality of green semiconductor lasers having emission peaks at green light wavelengths.

Abstract: A display device includes a display panel curved in a first direction, a light source comprising driving circuit boards and light emitting elements disposed on the driving circuit boards, a reflective sheet disposed on the driving circuit boards and including a first edge area, a second edge area spaced apart from the first edge area in the first direction, and a center area disposed between the first and second edge areas, where holes are defined in the center area to expose the light emitting elements, a cover member including a bottom portion on which the driving circuit boards are disposed and sidewalls bent from the bottom portion, a first correction tape disposed on the first edge area, and a second correction tape disposed on the second edge area.

Abstract: A display module and a display device including the display module are disclosed, the display module includes a backboard, a rubber frame and a display panel, the backboard includes a bottom plate and side walls provided at the perimeter of the bottom plate; the display panel is provided on a upper surface of the rubber frame, the rubber frame is configured for supporting the display panel in the vertical direction, and a side face, in the vertical direction, of the display panel is configured immediately adjacent to at least one side wall, or a spacing is configured between a side face, in the vertical direction, of the display panel and at least one side wall, in this way, the side walls are configured as retaining walls for the display panel in the horizontal direction; therefore, the bezel thickness is decreased and the effect of narrow bezel can be realized.

Abstract: According to one embodiment, a display device includes a display panel including a display surface, which displays an image by selectively reflecting light entering the display surface, and an illuminating device including an optical modulator provided on a display surface side of the display panel and including a plurality of portions in a major surface thereof and a light source provided on a side surface of the optical modulator, and the illuminating device illuminates the display panel at a predetermined brightness specific for each respective portion with the light entering the optical modulator from the light source.

Abstract: A display device includes a first display panel, a second display panel opposite the first display panel, a frame positioned between the first display panel and the second display panel, a first opening formed on the frame and positioned on a lower back side of the first display panel, a second opening formed on the frame and positioned on an upper back side of the second display panel, a first printed circuit board (PCB) electrically connected to the first display panel and positioned in the first opening, and a second PCB electrically connected to the second display panel and positioned in the second opening.

Abstract: An optical element includes a substrate, a plurality of reflective reflection layers on the substrate, and an absorbing layer over the reflection layers. The reflection layers are arranged in a striped manner in plan view. The absorbing layer absorbs polarized light oscillating in the direction in which the reflection layers extend. The optical element also includes an oxide film on the substrate between the reflection layers and on the absorbing layer. The oxide film is formed by oxidizing the absorbing layer.

Abstract: A portable lighting device adapted to provide an area light, said device including a body having a battery housing to hold batteries to power said device. The device includes a light panel functioning as a lens to act as an area light emitter, characterized in the said light panel is slidable into and out of said body, said light panel being constructed of a substantially flat panel portion.