Abstract: A laminated light guide and component carrier includes a polymeric material body having a first face. A light emitting diode is positioned on the first face. A connector is positioned on the first face. A through aperture is created in the body positioned proximate to the light emitting diode. A light guide of a light transmissive polymeric material is overmolded onto the first face proximate to and covering the light emitting diode and filling the through aperture, and omitted from the space envelope containing the connector. An opaque polymeric material coating layer is affixed onto the first face outside of the light guide.

Abstract: In accordance with an embodiment, sensor structure has a first, second, and third laminated structures. The second laminated structure is positioned between the first laminated structure and the third laminated structure. The first laminated structure includes a first portion of a first sensing element and the third laminated structure includes a second portion of the first sensing element. The second laminated structure includes spacer elements that can be used to adjust the sensitivity of the sensor structure.

Abstract: An imaging device includes an LED element mounted on a surface of an LED substrate and electrically connected to a wiring pattern. For the surface of the LED substrate, a heatsink for dissipating heat of the LED substrate is arranged to face the surface of the LED substrate on which surface the LED element is mounted. The heatsink includes: a base portion attached in a manner allowing heat transfer in which a heat transfer surface of the base portion faces the surface of the LED substrate, the base portion allowing the illumination light from the LED element to pass through the base portion; and fins integrally protruding from the heat dissipating surface, being arranged spaced from each other, and being cooled by air that is naturally convected.

Abstract: A downlight fixture includes: a light source board arranged to emit optical light; an electrical connector electrically connected with the light source board for providing power to the light source board; a metallic cup shaped heat sink attached with the light source board; a plastic housing attached with the metallic cup shaped heat sink; and a heat sink, attached with the plastic housing. The metallic cup shaped heat sink, the plastic housing, and the heat sink are arranged to dissipate heat generated by the light source board.

Abstract: A lighting device for fitting into a wall surface of a domestic electrical appliance, in particular a refrigerator or/and freezer, includes a window pane for the emergence of light, a light source arrangement having at least one light-emitting diode, and a light reflection surface, arranged behind the window pane and irradiated by the light-emitting diode, for reflecting light in the direction towards the window pane. The light reflection surface has regions of different reflection behaviour, where in some embodiments the light reflection surface is divided into a glossy region closer to the light-emitting diode(s) and a scattering region further away from the light-emitting diode(s).

Abstract: An LED lamp includes a mounting mechanism, and an illuminating apparatus mounted on the mounting mechanism. The illuminating apparatus includes two first lighting units mounted on the bottom of the mounting mechanism respectively, and a second lighting unit mounted on the bottom of the two first lighting unit. The second lighting unit extends through the two first lighting unit and is connected with the mounting mechanism. Thus, the two first lighting units are slidable on the bottom of the mounting mechanism, such that the LED lamp is extendable to regulate the lighting range according to requirements of the practical environment or situation.

Abstract: An LED lighting system includes first, second and third conductive wires, a plurality of light emitting diodes (LEDs), a transparent insulated layer, and a universal serial bus (USB) plug. The first conductive wire is configured to carry a positive charge. The second conductive wire is configured to carry a negative charge. The third conductive wire is configured to carry a ground charge. The first, second and third conductive wires are arranged side-by-side. The plurality of LEDs are mounted to each of the first, second and third conductive wires. The transparent insulated layer extends around and encapsulates the first, second and third conductive wires and the plurality of LEDs. The USB plug is electrically connected to the first, second and third conductive wires.

Abstract: The present disclosure relates to a luminous means having a cap and an outer bulb in which LEDs are arranged on a flat multilayer substrate which is constructed, at least in regions, from at least two substrate layers between two outside surfaces which are opposite one another, wherein the at least two substrate layers are formed from a flat substrate sheet which is laid back on itself, and wherein the LEDs are mounted on a side surface of the substrate sheet, which at least proportionally forms the two outside surfaces of the multilayer substrate in each case on account of the substrate sheet being laid back, in such a manner that at least one of the LEDs is mounted in each case on both of the two outside surfaces of the multilayer substrate.

Abstract: The specification and drawings present methodology for modularly expanding sensing capabilities of a luminaire or a luminaire mounted sensing system by adding replaceable exterior sensor module(s) in a desired position in a vicinity of an existing (legacy) luminaire or a luminaire system for both inside and outside applications. For outside applications, this modular expansion may be performed while maintaining weathertight sealing integrity, e.g., waterproofing of the luminaire-sensor system/apparatus including exterior housing, exterior electrical connections, cables and any other exposed components. The embodiments described herein can provide diverse sensor capability and future expansion needs for luminaire mounted sensing systems and for processing sensor signals.

Abstract: A vehicle luminous signaling glazing forming, for example, a laminated vehicle windshield includes a first exterior glazing, with first main face and second main face, a lamination interlayer made of polymeric material with an other edge face, a second interior glazing, with third main face and fourth main face, the second main face and the third main face being the internal faces of the laminated glazing. The glazing also includes a flexible carrier for the diodes including a diode zone, an emerging electrical supply zone emerging from the other edge face, divided into a plurality of track strips, carrying electrical tracks, with an individual width Wi of less than 5 cm.

Abstract: A high output lamp is made with LED filaments (i.e., LED chips mounted on a long narrow substrate and encapsulated in silicone). High output is enabled by structurally minimizing thermal resistance between filaments and bulb. The bulb is generally tubular and contains a mount structure with longitudinally extended LED filaments electrically and mechanically connected between ring or disc shaped end connectors, and spaced apart around the structure's perimeter. An outer surface of the LED filaments defines a mount structure perimeter that is held adjacent to an inner surface of the bulb, separated by a total diameter difference gap of substantially zero to three millimeters maximum. End connectors may have a cut out portion enabling resiliently compressible diameter. The bulb may be filled with pure helium, or pure hydrogen, or a mixture of the two. A contaminant cleaner inside the bulb may be an oxygen dispenser.

Abstract: A light fixture assembly includes a base including a recessed surface, an outer wall, and a base connecting member extending from the outer wall. A light emitter is connectable to the recessed surface of the base. An inner lens is connectable to the base over the light emitter. An outer lens is configured to be selectively connected to the base. The outer lens includes a lens connecting member configured to connect to the base connecting member. An accessory mount is configured to be selectively connected to the base. The accessory mount includes an accessory mount connecting member configured to connect to the base connecting member.

Abstract: A solid state light source device includes N (an integer of two or more) sets of solid state light source assemblies having a plurality of solid state light source cells arranged in a matrix pattern a multiple lens block including N incidence faces facing the N sets of solid state light source assemblies and causing light emitted from the solid state light source cells to be incident through multiple lens cells of a matrix pattern and one emission face composing the light incident from the N incidence faces and a dichroic filter that is obliquely arranged on the incidence faces inside the multiple lens block and selectively reflects or transmits incident light based on the incident light wavelength. Light distribution characteristics and color temperature of light exiting the emission face of the multiple lens block are controlled by a ratio of power supplied to the solid state light source cells.

Abstract: Disclosed are a light source module, a backlight unit including the same, and a liquid crystal display device including the same, which prevent image quality and reliability from being degraded. The light source module includes a printed circuit board (PCB), a plurality of light sources mounted on the PCB, an optical member provided on the PCB to surround the plurality of light sources, an antistatic cover supported to the optical member to cover the plurality of light sources, and a ground member grounding the antistatic cover.

Abstract: An illumination device comprises one or more emitter modules having improved thermal and electrical characteristics. According to one embodiment, each emitter module comprises a plurality of light emitting diodes (LEDs) configured for producing illumination for the illumination device, one or more photodetectors configured for detecting the illumination produced by the plurality of LEDs, a substrate upon which the plurality of LEDs and the one or more photodetectors are mounted, wherein the substrate is configured to provide a relatively high thermal impedance in the lateral direction, and a relatively low thermal impedance in the vertical direction, and a primary optics structure coupled to the substrate for encapsulating the plurality of LEDs and the one or more photodetectors within the primary optics structure.

Abstract: Disclosed is a lighting fixture (200) with a separately controllable set of LED-based light sources (102) configurable to create both downlighting and wall-washing lighting effects. To create the desired wall-washing effects, the intensity and angle of light sources in the lighting fixture are adjusted to individually illuminate different portions of the wall of surface. One set of LED-based light sources positioned along the edge of the ceiling tile is configured to emit a low intensity light beam toward the upper portion of the wall surface adjacent the ceiling. Another set of LED-based light sources emits a higher intensity light beam toward an intermediate portion of the wall surface. Another set of LED-based light sources emits an even higher intensity light beam toward the bottom portion of the wall surface.

Abstract: A light-emitting device includes a carrier with a first surface and a second surface opposite to the first surface; and a light-emitting unit disposed on the first surface and configured to emit a light toward but not passing through the first surface. When emitting the light, the light-emitting device has a first light intensity above the first surface, and a second light intensity under the second surface, a ratio of the first light intensity to the second light intensity is in a range of 2˜9.

Abstract: A light-emitting device includes a carrier with a first surface and a second surface opposite to the first surface; and a light-emitting unit disposed on the first surface and configured to emit a light toward but not passing through the first surface. When emitting the light, the light-emitting device has a first light intensity above the first surface, and a second light intensity under the second surface, a ratio of the first light intensity to the second light intensity is in a range of 2˜9.

Abstract: An illumination device (e.g., an electric candle, etc.) generally includes a housing, a light source, and color element. The color element is positioned over at least part of the light source for creating a color effect in the electric candle when the light source transmits light through the color element. The illumination device may also include a pendulum supporting the light source, and a support member configured to support pivotal movement of the pendulum and light source relative to the housing.

Abstract: The present invention discloses an artificial candle lamp, including an artificial flame hood and a light-emitting component which emits light in the flame hood. The light-emitting component is disposed on an upper bracket; a lower bracket is disposed below the upper bracket; an elastic component is disposed between the upper bracket and the lower bracket; an inductance solenoid coil is disposed in the middle of the lower bracket; and a ferromagnet which extends into the inductance solenoid coil is disposed at a lower part of the upper bracket. In the technical solution, the elastic component is used to buffer the flicker generated by an electromagnetic force to form a random and gradually-attenuated flicker process, thereby effectively enhancing a simulation effect of flame flicker of the artificial candle lamp and improving use experience of a user.

Abstract: A vehicle illumination system and method for controlling a vehicle light. The method includes receiving an input signal at a controller port; generating a control signal to activate the vehicle light based on both a rising and falling edge of the input signal in which the control signal activates an animation sequence when a falling edge is detected.

Abstract: A heat sink for an outdoor lighting fixture includes a top portion and a skirt portion. The skirt portion extends down from an outer perimeter of the top portion. The top portion includes an elevated portion and a transition portion surrounding the elevated portion. The elevated portion and the transition portion define a cavity. The top portion further includes a planar portion surrounding the transition portion. The elevated portion is elevated above the planar portion.

Abstract: A heat dissipation structure (2) for a lighting device (1) is provided. The heat dissipation structure comprises at least two separate heat sinks (20, 10) for a light source (3) and a driver (7) for the light source, respectively. Each heat sink comprises fins (11, 21, 22) and a wall arrangement (15, 25). The at least two separate heat sinks are disposed along an axial direction of the lighting device. The fins of the at least two separate heat sinks are enclosed by the wall arrangements to form a chimney structure (30) arranged along (such as substantially parallel with) the axial direction of the lighting device. Further, the chimney structure comprises at least two sub-chimney structures (31, 32) arranged fluidly in parallel. The sub-chimney structures provide (accelerate) two air flows in parallel within the chimney structure, whereby cool air flows through the two sub-chimney structures simultaneously, which reduces heat concatenation.

Abstract: Light emitting device (LED) circuit board layouts for low profile lighting fixtures are provided. In some embodiments, the lighting fixture can include a fixture housing. The lighting fixture can include one or more LED devices disposed on a circuit board. The lighting fixture can include one or more electronic components associated with at least one of a driver circuit or a filter circuit (e.g., as part of a flicker reducing circuit) disposed on the circuit board. The one or more LED devices are disposed on a first portion of the circuit board and the electronic components are disposed on a second portion of the circuit board. The second portion of the circuit board can be spaced radially apart from a center point of the circuit board relative to the first portion.

Abstract: A connecting device, a lamp and a lamp assembly system are described. The connecting device includes plural frames and at least one connecting unit. Each of the frames has a mounting space, and the frames are arranged along an assembling direction, and the mounting spaces of any two adjacent frames are communicated with each other. The connecting unit includes plural engagement assemblies, in which two of the engagement assemblies are respectively disposed in the mounting spaces of any two adjacent frames. Each of the engagement assemblies includes a base and an engaging member which is disposed on the base, and the engaging member of one of the two adjacent engagement assemblies is movable with respect to the other one of the two adjacent engagement assemblies along the assembling direction, so as to be fixed with the engaging member of the other one of the two adjacent engagement assemblies.

Abstract: A fire-resistant, recessed lighting unit that obviates the need for a separate junction box and a separate incandescent “can”. Other embodiments are also described and claimed.

Abstract: According to one embodiment, a light source device includes a light-emitting chip, and a case in which the light-emitting chip is accommodated. The case includes a light-emitting surface which transmits light from the light-emitting chip, and a plurality of sidewalls extending so as to intersect the light-emitting surface. At least a part of the sidewalls is colored or painted in black.

Abstract: In various embodiments, a light emitting diode (LED) lamp is provided. The LED lamp may include a base; a first housing having a first end and a second end, the first end secured to the base; a second housing having at least in part a partially conical shape, an end of the second housing having a smaller diameter secured to the second end of the first housing; at least one LED secured within the second; driver circuitry secured within the LED flood lamp between the end of the base and the at least one LED; a reflector having a partially conical shape; and a diffuser element secured to at least one of a wider end of the reflector or the end of the second housing having the larger diameter. In some embodiments, the first or second housing may include one or more vents.

Abstract: A light for an interior of a vehicle is provided. The light has two or more light modules. In an installed state, the light modules are mounted on a supporting structure in the vehicle and disposed in series along a profile line. In the installed state, each two adjacent light modules are fixedly attached to each other, such that all light modules that are fixedly attached to each other together form an integral light strip. The light strip has a first region and at least one second region. The first region of the light strip is fixedly attached to the supporting structure. The at least one second region of the light strip is movably supported on the supporting structure.

Abstract: Embodiments are directed to systems and apparatuses for providing power to remote electronic devices. In one scenario, a system is provided which includes a sconce body. The sconce body includes a proximal side that allows placement adjacent to a wall, ceiling or surface, a distal side having an exterior surface, a cavity that slidably receives and encloses a removable power source, and an electronic device on or within the sconce body. The electronic device electrically connects to and is powered by the removable power source. The removable power source of the system can be slidably received within and enclosed by the cavity of the sconce body. The system also includes a wand that is attachable to and detachable from the removable power source. The wand has a specified length and is configured to provide for selective attachment of the removable power source to and removal from the sconce body.

Abstract: The lighting apparatus according to an embodiment includes: a housing including first and second back covers each having an inside surface in a parabola shape; a recess opened at a lower portion of the first and second back covers; a light-transmissive sheet arranged obliquely in a recess of the first and second back covers; a light emitting module between the recesses of the first and second back covers; a heat dissipation body in which the light emitting module is disposed; and a first reflective sheet for reflecting light on an inside surface of the first and second back covers, wherein the heat dissipation body includes a heat dissipation portion in which the first and second light emitting modules are disposed and a reflecting portion disposed between the heat dissipation portion and a lower end portion of the light-transmissive sheet, and the first reflective sheet has a plurality of reflective surfaces.

Abstract: A lighting system includes a first light assembly that is configured to emit light periodically. The lighting system further includes a second light assembly that is spaced apart from the first light assembly, the second light assembly also being configured to emit light periodically. The periodic light emitted by the first and second light assemblies is synchronized such that the first and second light assemblies operate in unison to form a single light source.

Abstract: An apparatus creating a flickering flame effect. The apparatus includes a housing with an interior space with first and second stages. A drive mechanism generates a time varying electromagnetic field extending into the first stage. A first pendulum member is pivotally mounted in the interior space of the first stage and includes first and second magnets on first and second ends, with the first end proximate to the drive mechanism such that the first magnet interacts with the varying electromagnetic field to cause movement of the pendulum member. The apparatus includes a second pendulum member pivotally mounted in the second stage with a magnet on a first end proximate to the second end of the first pendulum member. A flame silhouette element extends from the second pendulum member, and a light source transmits light onto the flame silhouette, which is moving due to the magnetic coupling of the pendulum members.

Abstract: An apparatus creating a flickering flame effect. The apparatus includes a housing with an interior space with first and second stages. A drive mechanism generates a time varying electromagnetic field extending into the first stage. A first pendulum member is pivotally mounted in the interior space of the first stage and includes first and second magnets on first and second ends, with the first end proximate to the drive mechanism such that the first magnet interacts with the varying electromagnetic field to cause movement of the pendulum member. The apparatus includes a second pendulum member pivotally mounted in the second stage with a magnet on a first end proximate to the second end of the first pendulum member. A flame silhouette element extends from the second pendulum member, and a light source transmits light onto the flame silhouette, which is moving due to the magnetic coupling of the pendulum members.

Abstract: A light conversion device includes a phosphor wheel, a circulation fan, a motor, a casing unit, and a heat absorber. The phosphor wheel has a first side on which a phosphor layer is formed. The circulation fan blows an air flow to the phosphor layer. The motor rotatably drives the phosphor wheel. The casing unit houses the phosphor wheel, the circulation fan, and the motor. In the casing unit, a circulation path of the air flow created by the circulation fan is formed. The heat absorber is in the shape of a cylinder. The heat absorber includes a fin structure including a plurality of fins arranged along a radial direction of the casing unit and provided so as to extend in a height direction of the cylinder. The air flow is supplied to the heat absorber to cool the air flow that has absorbed heat generated at the phosphor layer.

Abstract: In some embodiments, a configurable lighting device, connectors, controllers, and methods for layout detection are provided. The configurable lighting devices, suitably connected, form an assembly of configurable lighting devices that can be removably connected with one another and re-arranged. Connectors are provided that form mechanical and electrical connections between configurable lighting devices such that a flow of electricity and control signals may be propagated without the need for direct connection between every configurable lighting device and a controller. The controller or devices connected to the controller are configured to perform layout detection such that pleasing visualizations may be rendered across the assembly that are rendered using at least the detected layout. When the configuration of the configurable lighting devices changes, the layout detection is automatically updated.

Abstract: A connection system accommodates small aperture fixtures and provides ample room for electrical connections and a cosmetically superior seam. The connection system may consist of two mating brackets for the concealed joining of segments of light fixtures. The joiner design is completely integral to a fixture, with no externally visible hardware and no additional visual seams. Due to the sweeping nature of the joining action, internal fixture components do not need to be removed in order for correct joining to occur. Additionally this design requires that no components are removed from the fixture prior to joining, significantly reducing the time and effort that goes into joining fixtures in runs.

Abstract: A light fixture comprises two cooling elements and a plurality of semiconductor lighting elements, wherein each cooling element has a central portion and a wall portion which extends away from the central portion and at least partially surrounds an interior of a cooling element. The two cooling elements are arranged opposite one another. An annular opening for exchange of air with the environment is present between the two cooling elements. The semiconductor lighting elements are arranged on the outside of the wall portion of the cooling elements. A corresponding cooling element has two or more vanes, wherein all vanes are connected to one another by means of a central connecting element. Each vane extends in an axial direction and in a circumferential direction and has a curvature in the axial direction and preferably a curvature in the circumferential direction.

Abstract: An apparatus, and lighting systems and methods are provided for controlling and reporting power usage of an LED driver having an LED load driven by the LED driver. The apparatus is coupled to at least an auxiliary port of the LED driver for monitoring a dimming control voltage associated with the LED driver. The apparatus is configured to estimate the power usage of the LED driver and the LED load based on programmed relationships between the monitored dimming control voltage and a selected dimming profile associated with the LED driver. The dimming profile may either be a selected generic dimming profile for adequate reporting of the power usage or a selected specific dimming profile for increased accuracy of the power usage estimation. The apparatus is further configured to transmit the estimated power usage to an external device for dashboarding and energy savings purposes.

Abstract: LED simulated neon with a reinforcing member is disclosed. The simulated neon has a flexible covering with a translucent upper portion and an opaque lower portion. At least the lower portion is filled with a transparent, flexible material. A channel is formed in the transparent, flexible material. Linear lighting is provided in the channel, along with a reinforcing member. The reinforcing member is shaped and oriented such that it can bend in the primary bending plane of the simulated neon but provides strain relief and at least partially restricts or interferes with bending in other planes. The reinforcing member may, for example, have a rectangular cross-section, wider than it is thick. It may be made of plastic or metal, and its thickness may vary depending on the material of which it is made.

Abstract: Provided is a headlight module having a thin plate type metal PCB, wherein the headlight module has the assembly structure of a metal PCB formed of a thin plate which is a thermal conductor and capable of being bent in various directions and including at least one protruded portion increasing a surface area on both sides, and a back plate coupled to the metal PCB through the protruded portion.

Abstract: A programmable circuit includes an array of printed groups of microscopic transistors or diodes. The devices are pre-formed and printed as an ink and cured. A patterned hydrophobic layer defines the locations of the printed dots of the devices. The devices in each group are connected in parallel so that each group acts as a single device. Each group has at least one electrical lead that terminates in a patch area on the substrate. An interconnection conductor pattern interconnects at least some of the leads of the groups in the patch area to create logic circuits for a customized application of the generic circuit. The groups may also be interconnected to be logic gates, and the gate leads terminate in the patch area. The interconnection conductor pattern then interconnects the gates for form complex logic circuits.

Abstract: According to one embodiment, a vehicle lighting device includes a loading portion; a substrate provided on one end side of the loading portion; a plurality of light emitting elements that are electrically connected to a wiring pattern provided on a surface of the substrate and provided side by side in a row in a first direction; and a plurality of power supply terminals that are electrically connected to the wiring pattern provided on the surface of the substrate and provided side by side in a row in a second direction perpendicular to the first direction.

Abstract: A linear light is provided with an axially extending housing in which an optical element and an electrical element are integrated. In this context, the optical element is formed as a profile that corresponds approximately to the length of the housing, and the electrical element is also formed as a profile, wherein the profiles can be inserted axially into the housing via a front side and are braced against one another transversially to the axial direction in the mounted state. The invention further relates to a method for mounting this linear light.

Abstract: A lamp having a front surface from which light is emitted and that includes a high efficiency light source assembly producing a beam having a 3 dB beamwidth of greater than 100°, and which includes a substrate, a high efficiency light source supported by the substrate; and a dome-lens that contains the high efficiency light source. Also, an optical assembly is positioned to receive light from the light emitting diode assembly and to produce a headlamp light beam emitted from the front surface of the lamp. Further, an annular light block defines an annulus and is placed about the lens, so that the lens protrudes through the annulus, thereby creating a sharp boundary for the output light beam.

Abstract: A LED filament light has a bulb shell, a base portion, a filament module, a top spreading structure, a bottom spreading structure, a lamp cap and a driving piece. The filament module is placed in the containing space formed by the bulb shell and base portion. The filament module is composed of a plurality of filaments. The top of the plurality of filaments connects to the top spreading structure. The bottom spreading structure extends from the base portion, the bottom of the plurality of filaments connect to the bottom spreading structure. The top spreading structure is supported only by the plurality of filaments. The driving piece is placed in the lamp cap to provide electric power required for the plurality of filaments.

Abstract: A light-emitting apparatus according to the present invention has a packaging substrate having a packaging area, a plurality of light-emitting elements packaged in the packaging area, and a sealing resin that seals the plurality of light-emitting elements. The plurality of light-emitting elements includes light-emitting elements packaged in a first packaging area including the center of the packaging area and light-emitting elements packaged in a second packaging area surrounding the perimeter of the first packaging area. The packaging density of the light-emitting elements packaged in the first packaging area is higher than the packaging density of the light-emitting elements packaged in the second packaging area.

Abstract: A light emitting diode device is disclosed. The light emitting diode device includes a flexible printed circuit board having at least one light emitting diode mounted thereon. The at least one light emitting diode includes an emitting portion configured to emit light. The light emitting diode device also includes an encapsulation structure disposed over the flexible printed circuit board having a reflective side and a light emission side opposite of the reflective side. The light emitting diode also includes a reflective portion disposed over the reflective side of the encapsulation structure, and the emitting portion of the light emitting diode is oriented to emit light towards the reflective side.

Abstract: A filament for a filament lamp includes a plurality of light emitting semiconductor chips, wherein the light emitting semiconductor chips are located on a carrier board, the light emitting semiconductor chips are electrically connected, and the carrier board is a flexible carrier board.

Abstract: A light-emitting apparatus according to the present invention includes: an elongated substrate; a plurality of LEDs arranged in a straight line on the substrate in a longitudinal direction of the substrate; and a sealing member that includes an optical wavelength converter and seals the LEDs, wherein the sealing member is formed in a straight line in a direction of arrangement of the LEDs and seals the LEDs collectively.