Abstract: An illumination device includes light sources and a light guide member. The light guide member includes an incidence part that guides light emitted from the light sources and entering through an incidence surface towards a center of the light guide member and a central part that has a scattering surface for emitting the guided light towards an illumination target body. The light sources include a first light source facing the incidence surface and a second light source facing the incidence surface and is arranged on the central part's side relative to the first light source. The incidence part has a first curved surface that reflects the light entering through the incidence surface towards the central part and a second curved surface that is arranged on the central part's side relative to the first curved surface and reflects the light entering through the incidence surface towards the central part.

Abstract: A lightguide component for illumination devices having an exit surface includes: a lightguide layer having a light-receiving portion to receive light emitted from a light source, a first principal face at the exit surface side, and a second principal face at an opposite side from the first principal face; a light distribution controlling structure having a plurality of internal spaces, each of the plurality of internal spaces including a first slope to direct a portion of light propagating in the lightguide layer toward the exit surface via total internal reflection, and a second slope at an opposite side from the first slope, wherein, when viewed from a normal direction of the first principal face of the lightguide layer, the first slope presents a curved surface that is convex toward the light source; and an anti-reflection layer and/or anti-glare layer disposed at the first principal face side of the lightguide layer.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; a resin layer covering the light source on the substrate; a light blocking layer having an opening portion on the resin layer; and a lens plate disposed on the light blocking layer, wherein the lens plate includes a light transmitting portion and a convex portion arranged on one surface or the other surface of the light transmitting portion, and the total area of the opening portions is 50% or less of an area of an emission surface through which light is emitted through the resin layer, and the interval between the lens plate and the light blocking layer may be greater than the length of the opening portion.

Abstract: In a backlight that includes a plurality of LEDs and a prism sheet disposed opposite to the LEDs, the prism sheet has a first surface opposite to the LEDs and a second surface on the opposite side of the first surface, a first prism having a first base and a first pitch L1 is formed on the first surface, a second prism having a cross section that is scalene triangular in shape having a second base having a length L2, a first base angle ?1, and a second base angle ?2 smaller than the first base angle is formed on the second surface, and L2<L1.

Abstract: A vehicle indoor illumination device includes a housing having an upper opening with an internal space formed therein, a light-emitting unit disposed on the housing to emit light, a diffuser disposed outside the light-emitting unit in a manner as to close the upper opening of the housing to allow the light emitted from the light-emitting unit to diffuse to the outside, a cover part disposed on an outer surface of the diffuser and on which a light pattern is formed through scattering of the light transmitted through the diffuser, and a controller configured to receive an operation signal of a vehicle electronic part to control an operation of the light-emitting unit.

Abstract: In the embodiments of the present disclosure, additive manufacturing devices and methods are provided. The additive manufacturing device includes a light source, a building device, and a light scattering member. The light source is configured to provide light to cure photocurable resins. The building device includes a resin tank configured to store the photocurable resins. The building device has a building surface on which the photocurable resins are cured. The light scattering member is arranged between the light source and the building surface. The light scattering member is configured to alter a light propagation direction of the light from the light source to cause an inner-pixel light intensity change on the building surface.

Abstract: Disclosed is an inner lens provided in a lamp, the inner lens including a light transmission part through which at least a portion of a light beam output from a light source passes and is then output, a light distribution formation part that outputs, to an outside of the lamp, a light beam, which forms a light distribution pattern, within a transmission light beam that is the light beam output from the light transmission part, and an image formation part that outputs, to the outside, a light beam, which forms an image pattern, among the transmission light beam.

Abstract: Various embodiments disclosed herein include adaptive light source modules that can provide adaptive illumination to a scene. The adaptive light source modules may comprise a housing, an emitter array, and a lens. The emitter array comprises a plurality of emitters. The lens may redirect light emitted from the emitter array through a transparent window of the housing. The housing may further include a prismatic surface that distorts light emitted from the emitter array and/or one or more non-transparent portions that limits light travelling therethrough. The adaptive light source module may optionally comprise a light sensor, and a portion of the lens may be configured to direct light toward the light sensor.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; a resin layer covering the light source on the substrate; a light blocking layer having an opening portion on the resin layer; and a lens plate disposed on the light blocking layer, wherein the lens plate includes a light transmitting portion and a convex portion arranged on one surface or the other surface of the light transmitting portion, and the total area of the opening portions is 50% or less of an area of an emission surface through which light is emitted through the resin layer, and the interval between the lens plate and the light blocking layer may be greater than the length of the opening portion.

Abstract: The proposed vehicle interior trim part comprises a woven material having at least two parallel optical fibers that are able to laterally emit light and that extend in a longitudinal direction and having at least one further fiber and/or at least one further yarn. The vehicle interior trim part further comprises a reflective layer that is adjacent to the woven material and comprises a fleece material and that is configured to reflect light emitted by the at least two parallel optical fibers. The vehicle interior trim part additionally has a carrier that is adjacent to the reflective layer so that the reflective layer is located between the woven material and the carrier and having at least one light source that is optically connected to at least one of the at least two parallel optical fibers.

Abstract: The present invention discloses a quantum-dot composite optical film comprising: a plurality of quantum dots dispersed in the optical film, wherein the plurality of quantum dots are capable of being water-resistant and oxygen-resistant; and a plurality of prisms, disposed over the quantum-dot layer.

Abstract: A display includes a reflective spatial light modulator, an angularly varying diffusion film that that transmits and scatters light incident within a first angular range and transmits light un-deviated incident within a second angular range outside of the first angular range, and a frontlight including a light source positioned to emit light into a film with a light emitting region positioned between the reflective spatial light modulator and the varying angle diffusion film. In one embodiment light extracted in the light emitting region is incident on a spatial light modulating layer at an angle of peak luminous intensity less than 30 degrees in a second layer from the surface normal of the spatial light modulating layer, reflects from the reflective spatial light modulator, passes through the film, is scattered by the angularly varying diffusion film, and exits the display.

Abstract: Disclosed are display panels and methods of fabricating the same. The display panel includes a base substrate having a pixel area and a peripheral area adjacent to the pixel area, a light emitting element on the base substrate to generate a first light and overlapping the pixel area, a light control layer on the light emitting element to convert the first light into a white light, and a color filter layer on the light control layer and includes a first color filter that allows penetration of the first light, a second color filter that allows penetration of a second light different from the first light, and a third color filter that allows penetration of a third light different from the first light and the second light.

Abstract: An optical film, an optical film set, a backlight module and a display device are provided. The optical film includes a main body, plural first prism structures and plural second prism structures. The main body has a first optical surface and a second optical surface. The first prism structures are disposed on the first optical surface. Each of the first prism structures extends along a first direction. The second prism structures are disposed on the second optical surface. Each of the second prism structures extends along a second direction. The first direction is different from the second direction.

Abstract: A lighting device includes a light guide having a light output surface, one or more LED packages having two or more spatially separated LED chips, and two or more wavelength dependent modification features located on the output surface of the light guide. Each wavelength dependent modification features is configured to modify the intensity of light from one or more of the LED chips to provide homogeneous colored light.

Abstract: A lighted applique for a vehicle body panel including an opaque body panel applique and one or more display element cutouts each having a cutout profile formed in the opaque body panel applique. At least one non-opaque display element is mounted within the one or more display element cutouts such that a panel engagement surface is in contact with a panel exterior surface. At least one LED strip is mounted within the at least one LED strip channel and an electrical connection assembly is in communication with the at least one LED strip.

Abstract: An optical lens system for vehicle lighting includes a light guide with optical elements arranged as indentations in a light impacting surface of the lens body. The optical elements are configured with a truncated cone section arranged within the lens body in connection to the light impacting surface, and a rounded cap section arranged within the lens body in connection to the truncated cone section. A base surface of the rounded cap section is coincident with a top surface of the truncated cone section. The truncated cone section has an outer surface and a base surface, and the rounded cap section includes an outer surface. A cross-sectional transition between the outer surface of the truncated cone section and the outer surface of the rounded cap section is non-linear.

Abstract: A composite optical film comprises: a first substrate; a plurality of reversed prisms disposed on a bottom surface of the first substrate; and a first diffusion film disposed over a top surface of the first substrate.

Abstract: A plurality of waveguide display substrates, each waveguide display substrate having a cylindrical portion having a diameter and a planar surface, a curved portion opposite the planar surface defining a nonlinear change in thickness across the substrate and having a maximum height D with respect to the cylindrical portion, and a wedge portion between the cylindrical portion and the curved portion defining a linear change in thickness across the substrate and having a maximum height W with respect to the cylindrical portion. A target maximum height Dt of the curved portion is 10?7 to 10?6 times the diameter, D is between about 70% and about 130% of Dt, and W is less than about 30% of Dt.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; a resin layer covering the light source on the substrate; a light blocking layer having an opening portion on the resin layer; and a lens plate disposed on the light blocking layer, wherein the lens plate includes a light transmitting portion and a convex portion arranged on one surface or the other surface of the light transmitting portion, and the total area of the opening portions is 50% or less of an area of an emission surface through which light is emitted through the resin layer, and the interval between the lens plate and the light blocking layer may be greater than the length of the opening portion.

Abstract: An illuminated keyboard including a backlight module and a key structure is provided. The backlight module includes a reflector, a light guide plate, a light source, and a light shielding plate. The light guide plate is disposed on the reflector, and a surface of the light guide plate facing the reflector has multiple microstructures. The light source is located on a light incident surface side of the light guide plate. The light shielding plate is disposed on the light guide plate. The light shielding plate has a shielding area and a light transmissive area, and the microstructures are correspondingly disposed in the light transmissive area. The key structure has multiple keycaps. In the microstructures correspondingly disposed under one single keycap, peaks of any two microstructures adjacent to each other keep different distances from the surface of the light guide plate facing the reflector.

Abstract: An optical assembly, comprising:a first optical film; an adhesive layer, wherein the adhesive layer is disposed on the first optical film, wherein the adhesive layer comprises a plurality of light-diffusing particles therein; and a second optical film comprising a plurality of microstructures that are boned to the adhesive layer without penetrating into the adhesive layer.

Abstract: A partial reflector including a plurality of optical repeat units where each optical repeat unit includes first and second polymer layers is described. A refractive index difference between the first and second polymer layers along a first axis may be Any, a refractive index difference between the first and second polymer layers along an orthogonal second axis may be ?ƒ?, where |???| is at least 0.1 and |?ny| is no more than 0.04. The optical repeat units may have a smallest optical thickness T1 proximate a first side of the optical stack and a largest optical thickness T2 proximate an opposite second side of the optical stack, where (T2?T1)/(T2+T1) is in a range of 0.05 to 0.2, and T2 is at least 350 nm and no more 1250 nm. The partial reflector may be used in a circular polarizer for correcting color shift with view angle in a display.

Abstract: A display apparatus including a light source; a display panel; an optical sheet. The light source including a first light source substrate and a second light source substrate spaced apart from the first light source substrate in a width direction. The light source is mounted on the light source module and a width of a region defined by half of a maximum brightness of a light profile of the light source, is set as a full width at half maximum brightness. A distance between a center of the first light source substrate in the width direction and a center of the second light source substrate in the width direction is referred to as a pitch, the full width at half maximum brightness of the light source and the pitch satisfy: 1.0?full width at half maximum brightness/pitch?2.0.

Abstract: A light system includes a substrate, one or more light emitting diodes (LEDs) coupled to the substrate, and an optical distribution plate positioned proximate the substrate. The optical distribution plate includes one or more optical structures each corresponding to the one or more LEDs. The one or more optical structures include a first surface that focuses LED light from the corresponding LED in a first orientation, and an opposite second surface that distributes LED light from the LED in a second orientation. The second orientation being substantially orthogonal to the first orientation.

Abstract: A vehicle lamp includes a lamp unit which in turn includes a first lamp unit and a second lamp unit each provided with a light transmitting member and is configured to irradiate light emitted from a light emitting element toward a front of the vehicle lamp through the light transmitting member. In each of the first and second lamp units, the light transmitting member includes a direct light controller that directly emits light incident from the light emitting element onto the light transmitting member, toward the front of the vehicle lamp, and a total reflection controller that totally reflects the light and then emits the light toward the front of the vehicle lamp. A total reflection surface of the total reflection controller is divided into a plurality of reflection regions in a circumferential direction around the direct light controller.

Abstract: A projection optical system includes: a surface-emitting light source configured to emit light at an intensity in a Gaussian distribution; and an optical element configured to perform uniformization, at least in one direction and in a range of a projection angle, of the intensity of the light emitted from the surface-emitting light source. In the optical element, an incident surface on which the light is incident is sectioned into a plurality of regions having refractive actions different from each other, and among the plurality of regions, at least outermost regions on which outer edge portions, of the light, in the direction in which the uniformization is performed are incident, are planes that are each tilted, from a state of being parallel to a light emitting surface of the surface-emitting light source, to the direction in which the uniformization is performed.

Abstract: A planar illumination device according to embodiments includes a substrate and a light guide plate. The substrate has a plurality of light sources arranged two-dimensionally. The light guide plate is disposed on a side of the surface of the substrate, the surface having the light sources. The light guide plate has a plurality of through holes disposed in a thickness direction and individually accommodating the light sources, and a pseudo light source. The pseudo light source is disposed such that another pseudo light source is not disposed on a line connecting the center of the pseudo light source and the center of one of the light sources.

Abstract: A light guide plate includes a main body, first stripe structures and second stripe structures. The main body has an optical surface, a light-incident surface and an opposite light-incident surface. The main body has a hole passing through the optical surface, and the optical surface has a first region and a second region which are separated by an imaginary line. The imaginary line intersects the hole. The hole has a first side near the opposite light-incident surface and a second side near the light-incident surface. A portion of each of the first stripe structures is disposed in the first region. The second stripe structures are disposed in the second region. An extending direction of at least one portion of each first stripe structure is vertical to the light-incident surface, and a portion of the second stripe structures extends to the first side of the hole near the opposite light-incident surface.

Abstract: Light having high directivity and high uniformity is emitted. A light source apparatus (10) according to the present invention includes: a light emitting body group (11a) in which a plurality of light sources (11) that emit directional light are arranged on one surface; and a first visual field limiting film (12) that is provided on an optical path of the light emitted from the plurality of light sources (11), and outputs light that enters the first visual field limiting film in a first predetermined angular range by homogeneously diffusing the light within the first predetermined angular range.

Abstract: A lighting apparatus includes a plurality of fiber optic panels coupled to respective light sources. The fiber optic panels include a set of optical fibers configured to emit light transversely to the optical axis thereof to form respective illumination regions in the fiber optic panels. A housing is included in the lighting apparatus to have an internal chamber and at least one window formed therein by which the internal chamber is in optical communication with the exterior of the housing. Additionally, an optical system such as a reflector or lens can subtend the light from the distal ends of the fibers within the chamber. Fiber optic panels are optically coupled to the housing assembly to convey light into the internal chamber while the illumination regions extend from the housing to perform a lighting function of an automotive vehicle.

Abstract: Disclosed are a lamp for an automobile and an automobile including the lamp. According to one aspect of the present disclosure, provided is a lamp for an automobile, the lamp including: a circuit board; a plurality of light sources provided on a top surface of the circuit board; an optical resin layer provided on the top surface of the circuit board and configured to cover the plurality of light sources; and a fluorescent material layer provided in close contact with a top surface of the optical resin layer. The fluorescent material layer includes: a resin matrix; and fluorescent materials dispersed within the resin matrix.

Abstract: A vehicle lamp is provided with a projection lens having a lens profile with a rear major surface with a convex curvature and a front surface with a concave curvature. A rear height of the rear major surface is greater than a front height of the front surface. The lamp has a plurality of light sources 36 and a reflector configured to reflect the light emitted from the plurality light of sources towards the projection lens. As the lens profile is swept along a curve length, at least one of the rear convex curvature or the front concave curvature varies. The light output from the front surface of the projection lens is generally uniform along the curve length.

Abstract: An electronic device includes a housing, a speaker, control circuitry, a plurality of light-emitting components configured to emit light through an upper housing wall or other housing structure. A lens diffuser layer having lenses overlapping respective light-emitting components, a textured diffuser layer formed from textured coatings on a substrate, and a volume diffuser layer having light-scattering structures in a polymer layer might be included to project light from the light-emitting components. A light-guiding portion of the lens diffuser layer may guide light to a circular peripheral edge to form an illuminated ring visible through the upper housing wall.

Abstract: Electric light sources typically exhibit temporal variations in luminous flux output, commonly referred to as “flicker.” Flicker, or temporal modulation, is known to influence the growth, health and behavior patterns of humans, and is also linked to growth, health and behavior patterns throughout the growth cycle of plants and animals. Control of peak radiant flux emitted by a light source to temporally modulate a light source will allow for the control of plants and animals for sustainable farming including but not limited to horticultural, agricultural, or aquacultural endeavors. The light source allows the transmission of daylight, which is combined with the flicker.

Abstract: Electric light sources typically exhibit temporal variations in luminous flux output, commonly referred to as “flicker.” Flicker, or temporal modulation, is known to influence the growth, health and behavior patterns of humans, and is also linked to growth, health and behavior patterns throughout the growth cycle of plants and animals. Control of peak radiant flux emitted by a light source to temporally modulate a light source will allow for the control of plants and animals for sustainable farming including but not limited to horticultural, agricultural, or aquacultural endeavors. The light source allows the transmission of daylight, which is combined with the flicker.

Abstract: The present disclosure provides a backlight module, a display device and a driving method thereof. A backlight module of the present disclosure includes a light guide plate having a light-out side and a backlight side; a light source provided at one end of the light guide plate and includes a plurality of light emitting units having at least three different colors; and a light extracting layer comprising a plurality of light extracting gratings arranged in an array distribution on the light-out side or the backlight side for guiding the light to emit perpendicular to the light-out side.

Abstract: A light guiding layer may be incorporated into an electronic device with multiple displays to create a seamless display surface between the adjacent displays. The light guiding layer may have a first portion that overlaps the active area of a first display panel, a second portion that overlaps the active area of a second, adjacent display panel, and a third portion that overlaps the inactive areas of the first and second display panels. The light guiding layer may redirect light from the active area of each display panel to the region above the inactive areas of the display panels where it is emitted towards the viewer. The light guiding layer therefore effectively hides the border between the two display panels by emitting light in that region. The light guiding layer may include light leakage promotion structures to ensure light is emitted in the border region.

Abstract: A lighting unit comprises a mount for rotating a plasma light source within a cylinder of metal gauze that provides a primary Faraday cage for shielding against radio-frequency radiation from the light source. The shielding is extended using a parabolic reflector for the emitted light in combination with a gauze to establish a secondary Faraday shield enclosing the primary cage. The gauze covers a ring that is sealed between the rim of the front open-mouth of the reflector and a slide-in cassette of the lighting unit, and can be of a metallic honeycomb configuration enhancing the operation and light output from the unit.

Abstract: An outdoor light with diffusing and translucent light panels movably attached to a mounting base electronically coupled to a lighting controller. Each movable panel is positioned adjacent to a light source that is electronically connected to the lighting controller. Each panel is also attached to a heat sink which is adjacent to and in thermal engagement with the light source. In one embodiment, the heat sink is centered on the light panel. The heat sink may be hollowed or wrapped around the light panel for multidirectional light distribution. In other embodiments, the outdoor light includes various sensors and remote-control features electronically coupled to the lighting controller.

Abstract: A lighting device includes a plurality of semiconductor light sources, the semiconductor light sources being configured to generate different light radiations; and an optical element arranged downstream of the semiconductor light sources, the optical element including on a side facing away from the semiconductor light sources a structure constituted of truncated pyramids.

Abstract: The light-guiding optical system comprises at least one light guide (1) made from an optically transparent material with an associated collimating element (2), and a light unit (3) to emit light rays (10) into the collimating element (2). The light guide (1) comprises on its front side an output surface (12) for the output of light rays (10) conducted by the light guide (1) out of the light guide (1), and on its bottom or top side, a binding surface (11) to bind light rays (10) collimated by the collimating element (2) into the light guide (1).

Abstract: A light-emitting structure and a light-emitting system with the same are provided. The light-emitting structure includes a plurality of extension portions (10) and a plurality of light adjusting portions (20), and the plurality of extension portions (10) and the plurality of light adjusting portions (20) are sequentially alternately connected; the plurality of extension portions (10) controls the light-emitting range of the light-emitting structure, and the plurality of light adjusting portions (20) is disposed at a predetermined angle with respect to an incident light direction to control a light-emitting direction.

Abstract: An optical member includes a light guide plate, a first low refractive layer, a wavelength conversion layer, and a passivation layer. The first low refractive layer is disposed on the light guide plate. A refractive index of the first low refractive layer is smaller than a refractive index of the light guide plate. The wavelength conversion layer is disposed on the first low refractive layer. The passivation layer is disposed on the wavelength conversion layer. The passivation layer covers a side surface of the wavelength conversion layer and a side surface of the first low refractive layer on at least one side.

Abstract: An optical member including a light guide plate, a low refractive layer disposed on an upper surface of the light guide plate and having a lower refractive index than the light guide plate, a wavelength conversion layer disposed on the low refractive layer, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive layer, and an optical pattern formed on a lower surface of the light guide plate.

Abstract: A security light having a first and a second light panel is set forth. The light panels includes a plurality of light scattering structures which are V-shaped grooves extending from the top surface to the bottom surface along the height of each of the light panels. The light scattering structures may modify in density as the distance from the light source increases in order to improve the light output performance of the panes.

Abstract: A side-edge type surface light emitting apparatus includes: a light guide plate having a first light emitting surface, a light distribution controlling surface opposing the first light emitting surface and a light incident surface; a light source disposed on the light incident surface; a first prism sheet having multiple first prisms opposing the first light emitting surface and a second light emitting surface opposing the multiple first prisms; a light absorbing sheet opposing the light distribution controlling surface; and a second prism sheet having a flat surface opposing the light distribution controlling surface and multiple second prisms opposing the light absorbing sheet, the multiple second prisms being perpendicular to the light incident surface of the light guide plate.

Abstract: A frame has an outer frame made of microcellular foam resin, and two inner frames made of the microcellular foam resin. The two inner frames are arranged together inside the outer frame. Both of the inner frames and the outer frame include openings provided at respective upper portions and recess portions formed downwardly from the openings, respectively. An LED light source, which is arranged inside a light guide space, emits light with a light emitting face thereof directing toward the light guide space. Accordingly, light from the LED light source is uniformly emitted from a light extraction portion. Also, an LED light source arranged inside a light guide space emits light directing toward the light guide space. Accordingly, light from the LED light source is uniformly emitted from a light extraction portion.

Abstract: The present disclosure provides a light guide assembly, a fabrication method thereof, a backlight module, and a display device. The light guide assembly includes: a light guide plate having a light exit surface and a back surface opposite to each other, and a side surface contacting the light exit surface and the back surface; a first reflective layer disposed on the light exit surface and having a plurality of light transmissive holes; a diffusion layer disposed on a side of the first reflective layer facing away from the light guide plate. The diffusion layer includes a plate and a plurality of protrusions disposed on the surface of the plate, the plurality of protrusions are in one-to-one correspondence with the plurality of the light transmissive holes, and each light transmissive hole receives a corresponding protrusion.

Abstract: A vehicle lamp is provided with a projection lens having a lens profile with a rear major surface with a convex curvature and a front surface with a concave curvature. A rear height of the rear major surface is greater than a front height of the front surface. The lamp has a plurality of light sources 36 and a reflector configured to reflect the light emitted from the plurality light of sources towards the projection lens. As the lens profile is swept along a curve length, at least one of the rear convex curvature or the front concave curvature varies. The light output from the front surface of the projection lens is generally uniform along the curve length.