Abstract: A display device is provided. The display device includes a display panel that has a polarizer, a light source assembly, a first spacer, and a second spacer. The first spacer is disposed on the first side of the display panel near the light source assembly. The first spacer is located between the display panel and the light source assembly. The second spacer is disposed on the second side of the display panel, away from the light source assembly. The thickness of the first spacer is different than that of the second spacer.

Abstract: A liquid crystal display device includes a liquid crystal panel having a reflection layer on a back surface opposite to a display surface of the liquid crystal panel, a light-guiding plate being closely fixed to the display surface and configured to diffusely reflect light incident and emit the light toward the display surface, a light source holding plate having a light source fixing plate on which a light source is mounted, and a back-side frame that includes a back-side portion disposed in parallel with the back surface of the liquid crystal panel and supported by the light source holding plate. A pair of positioning bent portions that are bent perpendicularly from the back-side portion and support the one end surface are formed on both sides at a lower end edge of the back-side portion along the one end surface.

Abstract: A lighting fixture includes a light emitting module, a first brightness enhancement component and a second brightness enhancement component. The light emitting module includes a light emitting surface. The first brightness enhancement component is disposed on the light emitting surface and corresponds to a first light emitting area of the light emitting module. The first brightness enhancement component concentrates light emitted from the first light emitting area with respect to a first plane, wherein the first plane is defined by a first axis and a first direction perpendicular to the first brightness enhancement component. The second brightness enhancement component concentrates light emitted from the second light emitting area with respect to a second plane, wherein the second plane is defined by a second axis and a second direction perpendicular to the second brightness enhancement component, and the first axis is not parallel to the second axis.

Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a display device, a separating element, and a covering. The covering is on an interior side of the separating element and has a cutout at the separating element. The separating element has a light transmittance of at least 5% and at most 70%. The covering has light transmittance of at most 7% and a colour locus in the CIELAB colour space with coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6, and the colour locus of D65 standard illuminant light, after passing through the substrate, is within a white region W1 determined in the chromaticity diagram CIExyY-2° by the coordinates: White region W1 x Y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.

Abstract: In a liquid crystal display device, the liquid crystal panel has a display surface of a planar shape on which a plurality of pixels are located. The front protective plate is located so as to face the display surface of the liquid crystal panel. The optical path changing portion is located between an emission surface of the front protective plate and an air layer located closer to the back side than the emission surface is and located closest to the emission surface. The optical path changing portion changes an optical path of light that enters the optical path changing portion so as to expand an emission angle when the incident light is emitted from the emission surface of the front protective plate.

Abstract: An optical film includes a first pattern layer including a first base portion and first protruding portions disposed on the first base portion to be spaced apart from each other and having a first refractive index and a second pattern layer disposed on the first pattern layer and having a second refractive index. Each of the first protruding portions includes a first sub-protruding portion having a first width in a cross-section perpendicular to the first base portion, a second sub-protruding portion disposed between the first base portion and the first sub-protruding portion and having a width that increases from the first sub-protruding portion to the first base portion, and a third sub-protruding portion disposed on the first sub-protruding portion and having a width that decreases as a distance from the first sub-protruding portion increases.

Abstract: A light guide plate and a manufacturing method thereof, a backlight module, and a display device are provided. The light guide plate includes a light incident surface, a light reflection surface, and a light-emitting surface; the light reflection surface includes a first prism structure array, the first prism structure array includes first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface; the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; and the light-emitting surface includes a second cylindrical structure array, the second cylindrical structure array includes second cylindrical structures arranged side by side in a second direction, the second direction is perpendicular to the first direction, and a first plane including the first direction and the second direction is perpendicular to the light incident surface.

Abstract: A display system including a lightguide and first and second reflective layers disposed on opposite sides of the lightguide is provided. The lightguide has opposing first and second major surfaces and includes a light extraction pattern for extracting light that would otherwise be confined and propagate within the lightguide primarily by total internal reflection. Light extracted by the light extraction pattern exits the lightguide through at least one of the first and second major surfaces of the lightguide. Each of the first and second reflective layers has an average specular reflectance of at least 50% in a predetermined wavelength range. The light extraction pattern may be repeatedly imaged by the first and second reflective layers to produce three-dimensional stacked images of the light extraction pattern.

Abstract: The present disclosure generally relates to display technologies. A liquid crystal display panel includes: a light guide layer having a first refractive index, a refractive layer on the light guide layer, a first polarizing layer on the refractive layer, a color filter layer on the first polarizing layer, a liquid crystal layer on the color filter layer, and an array substrate on the liquid crystal layer. The refractive layer includes a plurality of higher refractive index portions having a second refractive index and a plurality of lower refractive index portions having a third refractive index, the plurality of higher refractive index portions and the plurality of lower refractive index portions being arranged in an alternating manner. The liquid crystal display panel is configured to emit light substantially through the higher refractive index portions of the refractive layer.

Abstract: An optical device for providing illumination light includes an optical waveguide and a plurality of polarization selective elements. The plurality of polarization selective elements is disposed adjacent to the optical waveguide so that a respective polarization selective element receives light in a first direction, and redirects a first portion of the light in a second direction. A second portion, distinct from the first portion, of the light undergoes total internal reflection, thereby continuing to propagate inside the optical waveguide.

Abstract: The present disclosure relates to the field of display technology, and provides a back light unit, a fabricating method thereof, and a display device in embodiments. The back light unit includes a composite layer. The composite layer includes a light guide layer and a first substrate opposite to each other, and a plurality of first microprisms and a plurality of second microprisms between the light guide layer and the first substrate. Specifically, the light guide layer includes a light exit surface facing the first substrate, and the plurality of first microprisms are on the light exit surface of the light guide layer. The plurality of second microprisms are on a surface of the first substrate facing the light guide layer. Moreover, the first microprisms are fixedly connected to the second microprisms.

Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit emitting light forward, a liquid crystal panel disposed in front of the backlight unit and having a front polarizing film, and a diffusion film disposed in front of the liquid crystal panel, wherein the diffusion film includes a first refraction layer having a lens portion projecting forward, a second refraction layer disposed in front of the first refraction layer, a retardation member disposed at a front end of the lens portion, and a film polarizing layer disposed in front of the retardation member.

Abstract: A backlight module and a display device are provided. The backlight module includes a backboard and a light source component; the backboard has a bearing surface; the light source component is located on the bearing surface; the backboard includes at least one fixing member located at an edge of the backboard, the fixing member extends along a first direction and is located on a side of the backboard away from the light source component; the first direction is a direction which is intersected with the bearing surface and from the light source component to the backboard.

Abstract: The invention provides a light guide structure, adapted to be disposed under a baseplate of a keyboard module. The light guide structure includes: a light guide plate, a mask layer and a reflective layer. The light guide plate includes a first surface, a second surface opposite to the first surface, and a first opening running through the first and second surfaces. The mask layer is located between the baseplate and the light guide plate, and includes a second opening corresponding to the first opening. The reflective layer includes a first part and a second part connected to each other, wherein the first part is disposed on the second surface of the light guide plate, and the second part runs through the first opening and is disposed on a lower surface of the baseplate. The invention further provides a light-emitting keyboard device.

Abstract: The present invention is disclosing an automated retractable information display device for vehicles. Display device may be configured to mount detachably at interior or exterior of vehicles. Display device may comprise a housing configured to receive information associated with a first user for viewing thereof from exterior of vehicle upon a request from a second user, a transceiver configured to receive an actuation command from a control element via a communication network, and an actuating element configured to retract in and extend out information automatically based on received actuation command.

Abstract: There is provided an optical member that achieves a desired light distribution characteristic while having a simple configuration. The optical member includes a first transparent optical sheet and a second transparent optical sheet that are superimposed on each other in a first axial direction. The first transparent optical sheet includes a structure in which a first region and a second region are alternately disposed in a second axial direction. The second transparent optical sheet includes a structure in which a third region and a fourth region are alternately disposed in a third axial direction. An angle formed by the third axial direction with respect to the second axial direction is equal to or greater than 0° and less than 45°.

Abstract: A see-through image display system having a laser-beam-scanner has a very small eyebox when a laser beam is directly projected into eye. This invention provides a solution to increase the size of eyebox using a free-form-mirror to create a real image with high NA without exit-pupil-expander.

Abstract: A backlight apparatus can include a lens to receive light and generate light with a collimated batwing configuration. The lens can include a receiving surface and an opposing transmission surface. The lens can be symmetric about a plane of symmetry. The transmission surface can include an angle of curvature that increases closer to the plane of symmetry.

Abstract: Provided are an edge-lit surface light source device and a liquid crystal display device, both of which are capable of two-dimensional local dimming without image contrast being reduced due to stray light. Even when light from LEDs that should be extracted by means of a light extraction pattern provided in a first section of a light guide plate is passed through the first section without being extracted, the light repeatedly strikes on a light absorbing layer formed in a second section, whereby much of the light is absorbed in the second section. Accordingly, little light from the LEDs is extracted from a third section, from which light from LEDs should originally be extracted, with the result that image contrast can be prevented from being reduced due to stray light.

Abstract: A curved liquid crystal display device includes: a curved liquid crystal panel including a first flat section and a second flat section in a longitudinal direction and a curved section between the first and second flat sections; a curved backlight unit which is disposed under the curved liquid crystal panel and includes a glass light guide plate having first and second flat sections and a curved section; a curved guide panel which surrounds edges of the curved liquid crystal panel and the curved backlight unit and includes first and second flat sections and a curved section; and a curved glass cover bottom which is disposed at a back surface of the curved backlight unit and includes first and second flat sections and a curved section, wherein the curved guide panel and the curved glass cover bottom are outermost structures of the curved liquid crystal display device.

Abstract: An electronic device including a housing including a first plate facing a first direction, a second plate facing opposite to the first direction, and a side surface member surrounding a portion of a space between the first and second plates; a display panel disposed in a second direction of the first plate, and visually disposed through at least a portion of the first plate; a speaker disposed on one surface of the display panel facing in the second direction; a bracket including a first surface facing in the first direction and a second surface facing in the second direction, and disposed to support the display panel on the first surface; and a bonding configured to attach the display panel and the bracket. The bonding layer includes a gap formed by deleting a portion of the bonding layer to receive the speaker, and formed between the display panel and the bracket.

Abstract: The present disclosure discloses a backlight source and a display device. The backlight source can include: a light guide plate and a light bar. The light guide plate includes a flat panel structure and a strip structure having an inclined surface, the strip structure being disposed at an edge of one side of the flat panel structure, the inclined surface being connected to the edge of the flat panel structure and inclining toward the flat panel structure, and the angle between the inclined surface and a side of the strip structure away from the flat panel structure and parallel to the flat panel structure being an obtuse angle; the light bar and the strip structure are disposed on the same side of the flat panel structure, a light exiting surface of the light bar facing a side of the strip structure opposite to the inclined surface in a direction parallel to the flat panel structure. The backlight source of the present disclosure is used in a display device including a display panel.

Abstract: The present invention relates to a display panel including on a viewing surface side thereof a thin film transistor substrate. The thin film transistor substrate includes a multilayer film in a region in a plan view including at least one electrode of thin film transistor electrodes including a gate electrode, a source electrode, and a drain electrode. The multilayer film includes a stack including, in the order from the viewing surface side, a first metal layer having a thickness of 40 nm or smaller, a first transparent insulating layer having a thickness of 10 nm or greater and 155 nm or smaller, and a second metal layer having a greater thickness than the first metal layer. The multilayer film includes a layer formed from a metal having a reflectance at a thickness of 200 nm of 50% or lower.

Abstract: A portable information handling system presents visual images at first and second displays integrated in first and second rotationally-coupled housing portions. When the housing portions rotate to a clamshell configuration, a refractive layer in a “DO” display aligns light illuminated from the display off an orthogonal angle and towards a user while a “SEE” display aligns light illuminated from the display along an orthogonal angle.

Abstract: Embodiments of the present disclosure provide a display module and a method of manufacturing the same, and a display device. In one embodiment, a display module includes a display panel and a light-emitting module. The light-emitting module includes: a light source configured to emit light; a light guide structure configured to form a total reflection propagation of the light emitted by the light source therein; and a light extraction structure disposed between the display panel and the light guide structure, and configured to introduce the light propagating in the light guide structure into the display panel.

Abstract: An electronic device such as a laptop computer or other device may have a housing. A display may be coupled to the housing. The display may have a pixel array configured to display an image. Backlight illumination for the pixel array may be provide by a backlight unit. The backlight unit may have a light guide layer. A light source may provide light to an edge of the light guide layer. The light guide layer may scatter the light outwardly to serve as the backlight illumination for the pixel array. The backlight unit may have optical films interposed between the light guide layer and the pixel array. The optical films may include flexible polymer layers such as diffuser layers and prism films. The optical films may each have a bent alignment portion that bends back on itself while wrapping around an edge of the light guide layer.

Abstract: A display device and a driving method thereof. The display device includes a color controller configured to generate second image data by converting the color gamut of first image data received from the outside and to generate third image data by correcting the first image data or the second image data depending on the viewing angle variation between the first image data and the second image data, and a display panel configured to display an image based on the second image data or the third image data.

Abstract: Provided is a light source apparatus that is small and lightweight, has high light utilization efficiency, and is easily utilizable as a modularized, planar light source. The light source apparatus 10 has a light source unit including a plurality of LED elements 14, a LED collimator 15 including a plurality of collimator elements each arranged on a light-emitting axis of each of the plural LED elements 14, and a light guide 17 disposed on an emission side of the LED collimator 15. The light guide 17 includes an incidence portion 171 having an incidence surface on which light on the light-emitting axis from the LED elements 14 is incident, and an emission portion 173c having an emission surface emitting light, and has a free-form surface shape for realizing predetermined light distribution control on at least one of the incidence surface and the emission surface.

Abstract: A lighting device includes: a light source including a light emitting element that emits light having an emission peak wavelength in a wavelength range of 500 nm or less; and first, second and third fluorescent substances on which light emitted from the light emitting element is incident, wherein the first fluorescent substance absorbs at least light emitted from the light emitting element to emit light having a emission peak wavelength in a wavelength range of 500 nm to 580 nm, the second fluorescent substance absorbs at least light emitted from the first fluorescent substance to emit light having a emission peak wavelength in a wavelength range of 580 nm to 750 nm, and the third fluorescent substance absorbs light having a wavelength range of 500 nm or less to emit light having a emission peak wavelength in a wavelength range of 600 nm to 750 nm.

Abstract: According to one embodiment, a display device includes a display panel including a polymer dispersed liquid crystal layer, and a light-emitting module disposed along a side surface of the display panel. The light-emitting module includes a light-emitting element, a light guide disposed between the light-emitting element and the side surface, and a reflector. The light guide has a first surface and a second surface facing each other, a third surface facing the light-emitting element, and a fourth surface facing the side surface. The reflector is disposed on each of the first surface and the second surface.

Abstract: A multiview backlight and a multiview display employ a microprism multibeam element to emit a plurality of directional light beams having principal angular directions corresponding to view directions of the multiview display. The multiview backlight includes a light guide and the microprism multibeam element extending from a surface of the light guide. The microprism multibeam element has an input aperture configured to receive a portion of guided light and an output aperture configured to emit the plurality of directional light beams. The microprism multibeam element includes a microprism having an inclined sidewall configured to reflect the received guided light portion and provide the plurality of directional light beams. The multiview display includes the multiview backlight and an array of multiview pixels configured to provide different views of the multiview display from the plurality of directional light beams.

Abstract: A backlight assembly is provided, which includes a side-lit backlight module having a plurality of light-emitting units disposed along a first direction, wherein a state of each of the light-emitting units can be individually controlled. A liquid crystal cell is disposed on the side-lit backlight module, wherein the liquid crystal cell has a plurality of pixel units disposed along a second direction, each pixel unit has two states of a transparent state and a cloudy state, and the state of each pixel unit can be individually controlled. The plurality of light-emitting units intersect with the plurality of pixel units.

Abstract: A bar collimator and a backlight system employ diffractive coupling to provide a collimated source of illumination to a backlight. The bar collimator includes a light guide and a diffraction grating disposed on a side of the light guide. The light guide is configured to guide light received from a light source as guided light. The diffraction grating is configured to diffractively couple out a portion of the guided light and to direct the diffractively coupled-out portion toward an input of a backlight as a collimated light having an extent corresponding to a length of the backlight input. A backlight system includes the bar collimator and further includes a light source and a backlight adjacent to the light guide of the bar collimator, the backlight being configured to receive collimated light from a diffraction grating of the bar collimator.

Abstract: A unitary lightguide including a first lightguide section extending along a first direction and a second lightguide section extending along a second direction is described. The second lightguide section includes a plurality of light extractors for extracting light that would otherwise propagate within and along the second lightguide section. The unitary lightguide includes a boundary region disposed between and joining the first and second lightguide sections and including a plurality of spaced apart light redirecting features. Each light redirecting feature includes a first portion extending substantially parallel to the first direction, and a second portion extending from proximate the first end of the first portion toward the second lightguide section and making an angle with the first portion in a range from about 10 degrees to about 70 degrees.

Abstract: A lighting device includes a light guide plate including a groove on one of a pair of plate surfaces thereof, the groove dividing the one of the pair of plate surfaces into areas each of which includes a portion of an outer peripheral surface, and a light source providing light such that the light enters each of the areas through the portion of the outer peripheral surface thereof. The light source is configured to control light that enters each of the areas such that luminance of light exiting the light guide plate through a light exit surface that is one of a pair plate surfaces thereof is made different in each of the areas.

Abstract: A backlight unit and a display device including the same are provided. The backlight unit includes a first substrate on which at least one transistor is disposed; a second substrate facing the first substrate; a heat dissipation sheet which is disposed on the second substrate and at least a part of which is in contact with the first substrate; and at least one light source disposed between the heat dissipation sheet and the first substrate and electrically connected to the transistor. The heat dissipation sheet includes a first region in contact with the first substrate and a second region separated from the first substrate, the second region being a region other than the first region.

Abstract: A surface light source device which illuminates a transmission-type liquid crystal display unit from the back surface includes P×Q surface light source units with individually controlled light sources. Each of the light sources includes a plurality of light-emitting element units. Each of the light-emitting element units includes at least one red light-emitting element that emits red light, at least one green light-emitting element that emits green light, and at least one blue light-emitting element that emits blue light. The center of mass of a luminance profile based on each of a plurality of red light-emitting elements, a plurality of green light-emitting elements, and a plurality of blue light-emitting elements in each surface light source unit substantially coincides with the center of mass of the surface light source unit.

Abstract: A stepped light guide illumination system employing a planar sheet of an optically transmissive material having a stepped light guiding structure including one or more parallel arrays of channels. Light is input into the stepped light guiding structure using a number of light sources, such as LEDs, located within the channels and coupled to the stepped light guiding structure at multiple locations. Light is extracted from the stepped light guiding structure by two-dimensional patterns of light extraction features provided in surface areas of the stepped light guiding structure located between the parallel channels.

Abstract: A display device includes: a backlight unit, a camera hole penetrating the backlight unit, a camera in the camera hole, a liquid crystal panel on the backlight unit, the liquid crystal panel including a transparent portion on the camera hole, and at least one light-blocking member in the camera hole, the at least one light-blocking member being configured to reduce one or more of: light leakage from the camera hole and introduction of impurities into the camera hole.

Abstract: A display device includes a display, a housing, a plurality of light sources, a plurality of diffusing lenses, a substrate, an attachment member, and a reflective sheet. The housing supports the display. The light sources are disposed on a rear side of the display device with respect to the display component. The diffusing lenses cover the light sources, respectively. The light sources are mounted to the substrate. The substrate is attached to the attachment member. The attachment member is disposed on the housing. The reflective sheet has a plurality of holes corresponding to the light sources, the reflective sheet being disposed between the attachment member and the diffusing lenses.

Abstract: A lighting engine, system and method of fabrication are described. The system contains a flexible printed circuit (FPC) shaped as a loop. LEDs are mounted on the FPC to emit light toward a center of the loop. A light guide positioned in an interior of the loop receives light emitted by the LEDs through an edge of the light guide. The light guide has slots formed therein that receive locator pins to limit thermal displacement of the light guide towards the LEDs. Other apparatuses, systems, and methods are also disclosed.

Abstract: A minimally complex, low cost/economical luminaire that distributes point source light for general lighting applications, the luminaire having a substrate with a linear array of discrete light sources positioned to emit light into an air-filled cavity and a light redirecting assembly on the other side the air-filled cavity, the assembly comprising a clear, light transmissive rigid cover and a clear, light transmissive semi-rigid flexible film positioned between the cover and the substrate, wherein the film is non-adhesively secured within the luminaire and flexed to generally conform to the shape of the cover and wherein the surface of the film facing into the air-filled cavity comprises an array of optical relief structures extending into the air-filled cavity.

Abstract: A backlight module includes a light-guiding plate, a plurality of reflection spots, and a light source. The reflection spots are disposed on a back surface of the light-guiding plate. Light emitted by the light source enters the light-guiding plate through a light input side surface of the light-guiding plate, and is reflected by the reflection spots to emit out of the light-guiding plate through a light output surface of the light-guiding plate. The back surface includes a central portion and a fringe portion. The fringe portion extends along an edge of the back surface. The distribution density of the reflection spots on the fringe portion gradually decreases in a direction from the central portion toward the fringe portion.

Abstract: An illumination device includes a light source row made up of multiple first light sources, each emitting light in the same direction and being aligned in a row with intervals maintained therebetween; a light guide member having a light-guide main portion in a plate shape including a light-incident surface which faces a first light-emitting portion and on which light from the first light-emitting portion is incident and a light-emitting surface from which light enters from the light-incident surface is externally emitted, and an extended portion in a plate shape thinner in thickness than the light-guide main portion and extending toward an outer side from part of the end surface of the light-guide main portion to cover the light source row from the front side; and multiple second light sources having a second light-emitting portion that emits light toward the extended portion and being disposed aligned in the row along with the light source row at both ends of the light source row to be covered by the extende

Abstract: The present invention provides a display device including: a first liquid crystal cell including a first electrode layer, a polymer dispersed liquid crystal layer, and a first array substrate, wherein the first array substrate includes a second electrode layer, the second electrode layer includes a plurality of first pixel electrodes, and a light source is disposed at a side of the first liquid crystal cell.

Abstract: A display apparatus including a plurality of displays arranged adjacent to each other, and a connector coupled to adjacent ends of the plurality of displays to couple the plurality of displays to each other, wherein the connector electrically connects the plurality of displays.

Abstract: According to one embodiment, a display device includes a display panel, a light emitting element, a light guide layer and a first optical layer. The display panel includes a first substrate, a second substrate opposed to the first substrate, and a polymer dispersed liquid crystal layer which is held between the first substrate and the second substrate and contains a polymer and a liquid crystal molecule. The light guide layer has a first surface opposed to the display panel, and an edge opposed to the light emitting element. The first optical layer is located between the display panel and the light guide layer. A refractive index of the first optical layer is lower than a refractive index of the light guide layer.

Abstract: A backlight is located on an incident side of a liquid crystal cell with a space. A first polarizing plate between the liquid crystal cell and the backlight is spaced from the liquid crystal cell. A second polarizing plate is located on an outgoing side of the liquid crystal cell. A light guiding plate is located between the liquid crystal cell and the first polarizing plate with a space from the liquid crystal cell to transmit a part of light and to guide the light to enter the liquid crystal cell. The display unit and the emitting unit are separately provided. The polarizing axes of the first polarizing plate and the second polarizing plate extend in different directions. When linearly polarized light after passing through the first polarizing plate enters the second polarizing plate, the second polarizing plate shuts off the linearly polarized light.

Abstract: A display device of the disclosure includes: a display panel; a decorative member that holds the display panel; and a light guide plate that has rigidity and includes an edge surface attached to the decorative member.

Abstract: A display apparatus includes a display panel that displays an image, a light source that supplies light to the display panel, a middle mold positioned between the display panel and the light source, and a quantum dot sheet positioned between the display panel and the middle mold that converts a wavelength of light emitted from the light source, and the middle mold includes a color compensator having blue color that provides uniform white light to outside of the display panel.