Abstract: A display apparatus includes a circuit substrate with driving circuits and first bonding electrodes, and a pixel array having LED cells, each of the LED cells including first and second conductivity-type semiconductor layers with an active layer therebetween, second bonding electrodes on the first bonding electrodes, wavelength converters on the LED cells, an upper semiconductor layer on the LED cells and having a partition structure surrounding side snakes of the wavelength converters and separating the wavelength converters, a first reflective electrode on the side surfaces of the LED cells, spaced from the LED cells by a passivation layer, and extending between the LED cells, second reflective electrodes on the lower surfaces of the LED cells and connected to the second conductivity-type semiconductor layers, a common electrode on at least one side of the LED cells, and a pad electrode outside the LED cells and electrically connected to the driving circuits.

Abstract: The present disclosure discloses a light distribution element and a lamp, the light distribution element is configured to distribute light for a light source, and the light distribution element includes at least two first light distribution modules arranged along a height direction of the light distribution element, the at least two first light distribution modules surround the light source in a circumferential direction, each of the at least two first light distribution modules includes a light incident surface and a light output surface that are away from each other, and the light incident surface is arranged opposite to the light source, each of the at least two first light distribution modules has a divergent light configuration from the light incident surface to the light output surface; and a depression region is between two adjacent first light distribution modules.

Abstract: A backlight module includes a rear housing, a light guide plate and a light source. The rear housing includes a bottom wall and a side wall that are connected to each other; the bottom wall and the side wall enclose an accommodation cavity. The light guide plate is located in the accommodation cavity. The light source is located in the accommodation cavity and located between the side wall and a side surface of the light guide plate. The light source includes a circuit board and a plurality of light-emitting devices that are mounted on the circuit board. A surface of the circuit board away from the plurality of light-emitting devices faces the side wall, and light-emitting surfaces of the plurality of light-emitting devices face the side surface of the light guide plate.

Abstract: An illumination device for a motor vehicle having a printed circuit board with a plurality of light emitting diodes disposed thereon. An optical pane and a reflector element are provided, whereby the reflector element is disposed between the printed circuit board and the optical pane. The reflector element has a plurality of segments into which the reflector element is divided. Each light emitting diode is assigned a segment so that light emitted from the light emitting diodes is reflected by the segments of the reflector element and passes through the optical pane.

Abstract: The present application discloses a splicing panel. The present application is provided with a dimming layer on a light-emitting diode lamp plate, and then the dimming layer is provided with a plurality of first light shading parts arranged in an array. A visual effect of the light-emitting diode lamp plate on both sides in a first direction can be adjusted through the plurality of the first light shading parts, so as to improve a visual difference between display panels of the splicing panel and the light-emitting diode lamp plate on both sides in the first direction.

Abstract: A system for illuminating a surface has at least one lighting means and a housing. At least one lens is disposed within the housing. The at least one lens is supplied with light rays from the lighting means. The at least one lens for illuminating the surface is exchangeable.

Abstract: A light module for an elongated interior aircraft light comprises a plurality of light sources, which are configured for emitting light of different colors and which are arranged next to each other, forming an array of light sources extending between a first end and a second end along a longitudinal direction (LD). The plurality of light sources include a first light source, which is arranged at the first end, and a second light source, which is arranged at the second end. The first and second light sources are those from the plurality of light sources that result in a difference of the illuminating properties between the first and second light sources being the smallest difference that is possible for all potential pairs of light sources formed from the plurality of light sources.

Abstract: An electronic device includes a substrate, a sidewall, a plurality of light emitting elements and an optical element. The sidewall is connected to the substrate. The plurality of light emitting elements are disposed on the substrate. The optical element covers at least two of the plurality of light emitting elements, wherein, in a cross-sectional view of the electronic device, a portion of the optical element is disposed between two adjacent ones of the plurality of light emitting elements, and a height of the sidewall is greater than a thickness of the optical element.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective layer disposed on the substrate; a light source passing through the reflective layer and disposed on the substrate; a resin layer disposed on the reflective layer; and an optical pattern disposed on the resin layer, wherein the light source includes a first light emitting device and a second light emitting device spaced apart from the first light emitting device, wherein the optical pattern may include a first optical pattern disposed on an upper portion of the first light emitting device and a second optical pattern disposed on an upper portion of the second light emitting device, and the first optical pattern and the second optical pattern may have different areas.

Abstract: A lighting system having a plurality of linking sections to form an articulated channel is described. Each linking section includes a first side wall, a second side wall, and a base wall positioned between the first side wall and second side wall to form a U-shape. A first end of each first side wall and each second side wall pivotably connects to the second end of a first side wall and second side wall, respectively, of an adjacent linking section to align the U-shape and form a channel. An LED strip positioned along the base wall within the channel of the plurality of linking sections provides a light source. A flexible diffuser is positioned within the channel above the LED strip.

Abstract: A lamp for a vehicle includes a light source part including a plurality of light sources and a first lens part to which light irradiated from the light source part is input, the light source part includes one or more first light sources arranged in a horizontal direction and one or more second light sources spaced apart from the first light sources and arranged in the horizontal direction, the first lens part includes one or more first guide areas facing the first light sources in which light output from the first light sources is input, and one or more second guide areas facing the second light sources in which light output from the second light sources is input, and the first and second guide areas at least partially overlap each other in an upward/downward direction when the first lens part is viewed from one side in the horizontal direction.

Abstract: A display substrate, a display panel and a method of manufacturing a display substrate are provided. The display substrate includes: a substrate; a plurality of pixel units including at least a first pixel unit including a first light-emitting region and a first non-light-emitting region; a first light-emitting element arranged in the first light-emitting region, including a first electrode, a light-emitting layer and a second electrode; a scan driving circuit arranged in the first non-light-emitting region; and a first auxiliary electrode located in a first partial region in the first non-light-emitting region, wherein the scan driving circuit includes a plurality of scan driving sub-circuits located in a second partial region in the first non-light-emitting region; an orthographic projection of the first partial region on the substrate overlaps an orthographic projection of the second partial region on the substrate, and the first auxiliary electrode is electrically connected to the second electrode.

Abstract: A negative-pressure cup structure includes a negative-pressure cup body and a light therapy module. The negative-pressure cup body has a rim. The light therapy module is received in the negative-pressure cup body and includes a circuit board and multiple light-emitting diodes (LEDs) mounted on the circuit board and irradiating corresponding to the rim. Therefore, the negative-pressure cup structure further has functions of light therapy and skin care.

Abstract: Disclosed herein are a backlight unit and a display device including the same. The backlight unit can reduce the number of light sources and can uniformly supply light to a region in which the light sources are disposed and a region in which the light sources are not disposed by arranging a reflective pattern on an upper surface of each light source to emit the light through a side portion of the light source and allowing the emitted light to travel by a light guide portion connecting between the light sources to be emitted above the light guide portion by a reflective layer positioned in a region between the light sources.

Abstract: A lighting element comprising a forward member. The forward member comprises a non-wood material. The forward member has a forward member front surface. The forward member may have a plurality of ridges and valleys shaped to have the appearance of wood that has been abraded in a media blasting process. The lighting element may be capable of projecting beams of light onto a wall or ceiling to create a light pattern comprising a plurality of different intensities of light.

Abstract: A display device according to an embodiment of the present disclosure includes a first pixel including a first sub-emission area and a second sub-emission area that are spaced from each other, and first light-emitting elements in the first and second sub-emission areas, the first light-emitting elements being configured to emit light having a first color; a light blocking pattern on the first pixel to cover an area between the first sub-emission area and the second sub-emission area and including a plurality of openings respectively corresponding to the first and second sub-emission areas; and a first color filter including a plurality of first color filter patterns disposed on the first and second sub-emission areas.

Abstract: A backlight including a front reflector disposed on a back reflector and defining a cavity therebetween. For a visible wavelength range and for a first incident angle of less than 5 degrees, the front reflector has an average transmittance of less than 20% for the incident light polarized along a first direction, and an average transmittance of between 20% and 85% for the incident light polarized along an orthogonal second direction. For a visible wavelength range and for a second incident angle of greater than 40 degrees, the front reflector has an average transmittance of less than 40% for each of the first and second directions. For at least a first wavelength in an infrared wavelength range, the front reflector has a transmittance of greater than about 40% for each of the first and second incident angles and for each of the first and second directions.

Abstract: An optoelectronic apparatus includes a semiconductor substrate and an array of emitters disposed on the semiconductor substrate and configured to emit beams of optical radiation having respective chief rays. An optical diffuser is mounted over the semiconductor substrate and configured to diffuse the beams. Microlenses are disposed between the semiconductor substrate and the optical diffuser in respective alignment with the emitters and configured to steer the beams at different, respective angles, which are selected so that at least some of the chief rays cross one another before passing through the diffuser.

Abstract: A light source module includes a light-emitting device, a light guide pipe, a wave plate, and a polarizer. The light-emitting device emits a beam. The light guide pipe includes a recessed curved surface, an output surface, a first convex surface, and a second convex surface. The recessed curved surface faces the light-emitting device. The output surface is opposite to the recessed curved surface. The first convex surface connects the recessed curved surface with the output surface. The second convex surface connects the recessed curved surface with the output surface and is opposite to the first convex surface, wherein the beam enters the light guide pipe through the recessed curved surface, and leaves the light guide pipe through the output surface. The wave plate is disposed on a path of the beam from the output surface. The polarizer is disposed on a path of the beam from the wave plate.

Abstract: A LED downlight, including a lamp housing, a light source plate, and a mode adjustment device; the lamp housing includes a back cover and a surface ring, and the surface ring divides a holding space of the back cover into at least two independent cavities; the light source plate includes at least two groups of LED light sources with different color temperatures, each group of which is arranged in one of the at least two independent cavities; the mode adjustment device includes an adjustment switch and a driver arranged independently of the lamp housing, and the adjustment switch and the driver are connected in series before being electrically connected with the LED light sources. In this LED downlight design, the light sources housed in the main and secondary cavities operate independently without any interference. They can emit light either individually or in unison, offering a variety of lighting modes.

Abstract: LED arrays comprise patterned reflective grids that enhance the contrast ratio between adjacent pixels or adjacent groups of pixels in the array. The pattern on the reflective grid may also improve adhesion between the reflective grid and one or more layers of material disposed on and attached to the reflective grid. The reflective grid may be formed, for example, as a reflective metal grid, a grid of dielectric reflectors, or a grid of distributed Bragg reflectors (DBRs). If formed as a metal grid, the reflective grid may provide electrical contact to one side of the LED diode junctions. This specification also discloses fabrication processes for such LED arrays.

Abstract: Provided are a display panel and a preparation method of the display panel. The display panel includes a first substrate and a second substrate which are disposed opposite to each other, a plurality of light-emitting elements arranged between the first substrate and the second substrate and a plurality of auxiliary structures arranged between the first substrate and the second substrate; where the plurality of auxiliary structures surround the plurality of light-emitting elements and each auxiliary structure is provided with a notch structure on a side of the each auxiliary structure close to a respective one of the plurality of light-emitting elements and on a side of the each auxiliary structure close to a light-emitting surface of the display panel.

Abstract: Provided is an illumination apparatus capable of forming ring-shaped irradiation light by using a simple configuration. Also provided is an illumination apparatus capable of freely changing a shape of the ring-shaped irradiation light. In order to achieve these objects, the present invention has the following means. That is, the illumination apparatus includes a first reflector having a first hole where a light source is arranged, a second hole that emits light, and a reflecting curved surface that connects the first hole and the second hole with each other, a light shield arranged at an area including a center of the second hole as seen in plan view, an opening portion formed in a ring-shaped manner between an inner edge of the second hole and an outer edge of the light shield, and a liquid crystal lens arranged so as to cover the opening portion.

Abstract: A display apparatus device including a panel substrate including a circuit, and a light module including light sources each including a light emitter, a connection line, a light transmission layer on the light emitter, and a light block layer on the light transmission layer, in which the light sources includes first to fourth light sources, a transmission layer of the first light source includes a first converter, a transmission layer of the fourth light source includes a second converter, the first converter includes a wavelength converter to convert a first primary light of the first light source into a red color range, the second converter converts a fourth primary light of the fourth light source into a white light, and a peak wavelength of a second primary light of the second light source is different from that of a third primary light of the third light source.

Abstract: A support for LED neon lamps consists of a straight, elongated, malleable metal, e.g. aluminum, channel. The channel has a bottom member extending the length of the channel, and a plurality of adjacently aligned side wall members. A slotted opening is located between each of the wall members, which are each interconnected by a thin bridge section located above each of the slotted openings. By this design, the channel is capable of being bent at at least one of the plurality of slotted openings. The channel's structural integrity remains in tact, regardless of how it is bent after the bridge section is cut. An elongated lamp which is mounted within the channel, bends along with the channel at the bended slotted opening or openings, beneath the severed bridge section or sections.

Abstract: A light source device includes: a plurality of light source parts configured to emit light, in which each of the light source parts includes a light-emitting element and a light guiding member, the plurality of light source parts are disposed in a circular, planar-shaped placement region and are arranged in (i) a combination of at least a rectangular grid and a triangular grid or (ii) a concentric circular pattern, and the plurality of light source parts are configured to emit the light in a matrix pattern in an irradiated region.

Abstract: Disclosed is a night downlight, including a plastic case, a first lamp bead, a second lamp bead and a light guide ring. One end of the plastic case is provided with a light outlet, and the bottom of the plastic case is provided with the first lamp bead and the second lamp bead, the first lamp bead is arranged at the center of the bottom of the plastic case, the light guide ring includes a light guide inner ring and a light guide surface ring, the light guide inner ring is sleeved in the plastic case, one end of the light guide inner ring abuts against the second lamp bead, and the light guide surface ring is connected with the light guide inner ring and protrudes from the light outlet. The light guide area of the night downlight is larger, which can meet the needs of night lighting.

Abstract: A unit pixel includes a transparent substrate having an upper surface and a lower surface, a plurality of light emitting devices arranged over the upper surface of the transparent substrate, and a reflector disposed between the light emitting devices and the transparent substrate. Light emitted from the light emitting devices is configured to exit to the outside through the upper and lower surfaces of the transparent substrate, and the reflector is configured to reflect light proceeding to the upper surface of the transparent substrate from the inside of the transparent substrate.

Abstract: A display device includes a first light-emitting module and a second light-emitting module. Each light-emitting module has a substrate, a plurality of LED dies arranged on the substrate, a reflective layer on the substrate, and a light-transmissive layer. The light-transmissive layer covers the substrate, the plurality of LED dies, and the reflective layer. Both the light-transmissive layer of the first module and the light-transmissive layer of the second module have rough uppermost surfaces. The first light-emitting module has a first reflectivity, the second light-emitting module has a second reflectivity, and a standard deviation between the first reflectivity and the second reflectivity is not greater than 0.5.

Abstract: A display device comprises first and second pixels, a light-emitting layer, color conversion layers, and color filter layers, the light-emitting layer comprising first and second light-emitting elements in the first and second pixels, wherein the color conversion layers comprise first and second color conversion layers in the first and second pixels, the color filter layers comprise first and second color filter layers in the first and second pixels, the first and second light-emitting elements emit first light having a central wavelength range of a first wavelength, the first and second color conversion layers contain color conversion particles converting the first light into second light having a central wavelength range of a second wavelength longer than the first wavelength, the first color filter layer transmits the first light and blocks the second light, and the second color filter layer transmits the second light and blocks transmission of the first light.

Abstract: A display device includes a substrate; a first circuit part and a second circuit part on the substrate and spaced from each other in a first direction; and an emission part between the first circuit part and the second circuit part, the emission part being located between the first circuit part and the second circuit part in a direction parallel to the substrate, wherein the first circuit part includes a first electrode extending to the emission part, wherein the second circuit part includes a second electrode extending to the emission part, and wherein the emission part includes a light emitting element located between the first electrode and the second electrode.

Abstract: A multi-pixel display device with an integrated circuit, a plurality of light-emitting semiconductor chips disposed on the integrated circuit, a display area having a plurality of pixels, each of the light-emitting semiconductor chips being associated with one of the pixels, a light-directing element disposed between the plurality of light-emitting semiconductor chips and the display area and adapted to direct the light of each light-emitting semiconductor chip from the plurality of light-emitting semiconductor chips to its associated pixel.

Abstract: A circular recessed channel lighting system having a closed-loop channel section with a U-shaped channel having two parallel sides, first and second flange elements, each flange element extending from an end of one of the parallel sides of the U-shaped channel, an LED positioned within the U-shaped channel, and a flexible lens positioned over an open end of the U-shaped channel to allow light from the LED outward. The flange elements include through holes for adhesion of a building material (e.g., joint compound) and the U-shaped channel has a depth not greater than ? inches (0.625 inches).

Abstract: A light source driver for a light source of a luminaire. The disclosure proposes to monitor a parameter, responsive to or a cause of a temperature change in a resistive element to facilitate determination of whether the light source driver is compatible with an AC supply. The resistive element in connected in series between the rectifying arrangement, of the light source driver, and the energy storage capacitor for storing charge that powers the light source.

Abstract: Provided are an automotive lamp optical element, an automotive lamp module and a vehicle. The automotive lamp optical element includes a light-incident portion, a transmission portion and a light-emitting portion connected in sequence. The light-incident portion is provided with at least one light-incident structure configured to converge light. An area of a cross section of the transmission portion gradually increases in a light transmission direction. A light-emitting convex surface is formed on one end of the light-emitting portion facing away from the transmission portion. The automotive lamp module includes the above automotive lamp optical element, and further includes at least one light source. The at least one light source is disposed in one-to-one correspondence with the at least one light-incident structure.

Abstract: It is an object of the invention to provide an improved LED filament lamp (10), the LED filament lamp (10) comprising: a transparent envelope (11) provided with a transparent optical structure (12); at least one LED filament (14) enclosed by the transparent envelope (11); wherein the transparent optical structure (12) comprises a plurality of individually spaced prismatic grooves (17) and/or ridges that are at least partly aligned along a projection of the at least one LED filament (14) on the transparent envelope (11); wherein each prismatic groove (17) and/or ridge of the plurality of individually spaced prismatic grooves (17) and/or ridges comprises a refractive facet (171) oriented at a wedge angle (172) between 5 and 50 degrees with a tangent of the envelope (11) at the location of the respective prismatic groove (17) and/or ridge.

Abstract: A light fixture includes a housing having an upper wall, a first side wall, and a second side wall at least partially defining an interior and a bottom opening. A mounting tray is positioned in the interior and releasably connected to the housing. A first light emitter is connected to the mounting tray and has a first light output. A second light emitter is connected to the mounting tray and has a second light output. A third light emitter is connected to the mounting tray and has a third light output. A lens is connected to the housing. The light fixture can be optionally connected to a secondary light fixture and used to control light outputs from both fixtures.

Abstract: A backlight for providing uniform illumination to a display panel includes a plurality of discrete light sources. A multilayer polymeric partial reflector is disposed on the plurality of discrete light sources. For substantially normally incident light the partial reflector includes a reflection band includes a blue wavelength, a reflectance greater than about 80% at the blue wavelength, a left band edge between about 370 nm to about 420 nm, a right band edge between about 500 nm and 600 nm, and an average transmission between about 20% to about 80% for visible wavelengths greater than the right band edge. A reflective polarizer is disposed on the partial reflector. For substantially normally incident light having the blue wavelength, the reflective polarizer reflects at least 60% of the light having the first polarization state and transmits at least 60% of the light having the second polarization state.

Abstract: Disclosed are light-curing printer display devices, 3-dimensional (3D) printers, control methods and devices, and electronic devices. In some embodiments, the light-curing printer display device include a screen, a light source assembly, a shielding plate, and a controller. In other embodiments, the light source assembly is arranged on a back side of the screen and the light source assembly includes multiple Light Emitting Diode (LED) light sources independent of each other. The shielding plate is arranged between the screen and the light source assembly and is provided with multiple light holes with the same number as that of the multiple LED light sources. The multiple light holes correspond to the multiple LED light sources one by one. The controller is electrically connected with the multiple LED light sources and is configured to control at least one LED light source to emit light.

Abstract: An optical lens (10) capable of facilitating efficient light distribution control with a simple configuration is provided. It comprises a plurality of light distribution control parts (11) continuing in a bilateral direction such that each of the light distribution control parts corresponds to each column of LEDs (22), the light distribution control parts defining optical paths of light from the LEDs (22) on a column basis, one light distribution control part (11) discharges light entering from the LEDs (22) in a column corresponding thereto in one direction of the bilateral direction that intersects the optical axes, and a further light distribution control part (11) discharges light entering from the LEDs (22) in a column corresponding thereto in a further direction of the bilateral direction that intersects the optical axes.

Abstract: The present disclosure provides a backlight module, including a substrate, a plurality of light-emitting elements, a protective layer and a plurality of first dots. These light-emitting elements are disposed on the substrate. The protective layer is disposed on the substrate and the light-emitting elements, the protective layer has an upper surface and a lower surface opposite to the upper surface, and the upper surface of the protective layer is flat. The first dots are disposed on the upper surface of the protective layer and cover the light-emitting elements. A vertical projection area of each of the first dots on the substrate is larger than a vertical projection area of each of the light-emitting elements on the substrate, so as to reduce the thickness of the backlight module and reduce the dots alignment process.

Abstract: A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.

Abstract: Techniques for illuminating a photocurable material within a build area of an additive fabrication device are described. According to some aspects, a light source is provided that can be moved alongside a build area, allowing light to be directed to any desired position within the build area by moving the light source. This configuration may also allow the distance from the light source to the build area to be substantially the same for each position across the build area by moving the light source whilst maintaining a fixed distance from the light source to the build volume. The described approach may allow for fabrication of larger parts in an additive fabrication device by expanding or eliminating the practical upper limit on the area of the build volume that can be imposed by use of a laser light source in such a device.

Abstract: A backlight module is provided. The backlight module includes a substrate having a substrate surface, a conductive layer disposed on the substrate surface, a plurality of LED chips disposed on and electrically connected to the conductive layer, a light-permeable layer having a light-permeable surface away from the substrate surface, and a pattern layer disposed on the light-permeable surface and having a plurality of first patterns corresponding to and respectively located above the plurality of LED chips. Wherein, each first pattern has a maximum width. A maximum width of one first pattern satisfies the following formula: WP?2n(TE?TL)(1?1/n2)1/2+WL; wherein WP is the maximum width of one first pattern, n is a refractivity of the light-permeable layer, TE is a thickness of the light-permeable layer, TL is a thickness of the LED chip, WL is a maximum width of LED chip corresponding to the first pattern.

Abstract: According to one aspect of the present disclosure, disclosed is a lamp module for a vehicle, the lamp module including: a first light source and a second light source for forming two or more types of light distribution patterns; and a light guide unit provided on one side of the first light source and the second light source. The first light source is provided behind the light guide unit and faces a rear surface portion of the light guide unit, and the second light source is provided below the light guide unit and faces a lower surface portion of the light guide unit. The light emitted from the first light source is emitted to the outside to form a first light distribution pattern, and the light emitted from the second light source is emitted to the outside to form a second light distribution pattern.

Abstract: A planar light source includes a light source, a light guide member, and a sectioning member. The light guide member has a light source placement part in which the light source is disposed and a section defining part having a groove surrounding the light source placement part. The sectioning member has light reflectivity and is disposed in the section defining part. A first portion in the section defining part that is furthest from a center of the light source in a plan view has a transmittance higher than a transmittance of a second portion in the section defining part that is closest from the center of the light source in the plan view.

Abstract: Discussed is a lamp and a lamp device, and more particularly, to a lamp using a semiconductor light-emitting device, and a method of manufacturing the lamp. The lamp includes a substrate; a plurality of semiconductor light-emitting devices disposed on the substrate; a flat layer formed between the plurality of semiconductor light-emitting devices; a spacer disposed between the substrate and the flat layer; and an air gap disposed between each semiconductor light-emitting device and the spacer.

Abstract: Embodiments include a lighting assembly includes an elongate gasket body formed of a resilient, optically transmissive material. The gasket body includes a light source cavity at least partially defined by a light transmission portion and an attachment channel configured to attach the gasket body to a mount. A light source is disposed in the light source cavity. Other embodiments include securement ring including a clamp portion and a lighting assembly portion. The clamp portion includes first and second segments, each being semiannular in shape and curving between first and second ends, the first end of the first segment coupled to the second end of the second segment and the second end of the first segment coupled to the first end of the second segment to collectively form an aperture. The lighting assembly portion includes a first and second segments, each being semiannular in shape and including a light source.

Abstract: An illumination device includes a light source, a wavelength conversion sheet configured to perform wavelength conversion on light from the light source, and a first light reduction portion disposed in a frame shape as a whole overlapping an outer peripheral portion of the wavelength conversion sheet in a plan view between the light source and the wavelength conversion sheet, and configured to reduce a light amount of incident light.

Abstract: A lens component radiates light from a light source. The lens component includes a light guiding radiation portion. The light guiding radiation portion includes a light incidence portion having an incidence surface on which the light from the light source is made incident, and a plurality of radiation mechanisms that respectively radiate to a plurality of radiation angle ranges. The incidence surface includes a close side incidence region and a distant side incidence region. The radiation angle ranges include a close side radiation angle range and a distant side radiation angle range. The light incident on the close side incidence region is radiated to the distant side radiation angle range via a corresponding distant side radiation mechanism. The light incident on the distant side incidence region is radiated to the close side radiation angle range via a corresponding close side radiation mechanism.