Abstract: LED light bulbs include openings in base or cover portions, and optional forced flow elements, for convective cooling. Thermally conductive optically transmissive material may be used for cooling, optionally including fins. A LED light engine may be fabricated from a substrate via planar fabrication techniques and shaped to form a substantially rigid upright support structure. Mechanical, electrical, and thermal connections may be made between a LED light engine and a LED light bulb.

Abstract: A lighting apparatus comprises: a board, a plurality of light-emitting units disposed on the board, and a package structure enclosing all of the light-emitting units and having a volume less than 5000 mm3. The lighting apparatus has a light intensity greater than 150 lumens.

Abstract: A motor vehicle has a surroundings-illuminating device for producing a light distribution on the ground surrounding the motor vehicle. The surroundings-illuminating device includes one or more projection modules for producing the light distribution, wherein every projection module has at least one light source and an array of projection optical systems which from the light of the at least one light source generates at least a part of the light distribution.

Abstract: An illumination device (e.g., an electric candle, etc.) generally includes a housing, a light source, and a pendulum supporting the light source. At least one portion of the pendulum is disposed within the housing. At least one support member is fixedly coupled to both the housing and the pendulum, and is configured to support pivotal movement of the pendulum and the light source relative to the housing. And, a driving device is coupled to the pendulum, at a location within the housing, and is configured to produce the pivotal movement of the pendulum.

Abstract: An illumination device (e.g., an electric candle, etc.) generally includes a housing, a flame-shaped head, a light source configured to provide illumination for the flame-shaped head, a wobbler coupled to the flame-shaped head, a support member, and a driving device. The support member is configured to support the wobbler such that the wobbler rests on the support member. The driving device is coupled to the support member and configured to produce a movement of the support member to thereby move the wobbler and the flame-shaped head coupled to the wobbler.

Abstract: A luminaire (12), such as an external light for an automobile or a wall sconce, includes at least first set of optical features (16B, 16F) and a second set of optical features (16A, 16C, 16E, 16G). The first set of optical features (16B, 16F) is configured for use with an LED bulb (10) emitting a first type of light emission pattern (20), such that the luminaire outputs a particular light emission pattern. The second set of optical features (16A, 16C, 16E, 16G) is configured for use with a bulb (10) emitting a second type of light emission pattern (24), such that the luminaire outputs a different type of light emission pattern. In this way, the same luminaire may output different light emission patterns depending on the emission pattern of the bulb. The luminaire's emission pattern may also be dependent on the color emitted by the bulb. Different bulbs may be used or different LEDs may be energized in a single bulb to generate the emission patterns.

Abstract: A smart lighting system and method that estimates occupancy using perturbation-modulated light and distributed non-imaging color sensors. A system is disclosed that includes a plurality of non-imaging color sensors; a plurality of color controllable lights; a system that perturbs the color controllable lights within a space; a system that collects resulting color information from the non-imaging color sensors, and builds a light transport model based on collected color information; a system that estimates an occupancy pattern or distribution within a space; and an adjustment module that adjusts the color controllable lights based on the light transport model and a predefined control strategy.

Abstract: Light emitter components, systems, and related methods having improved optical efficiency and a lower manufacturing cost are disclosed. In one aspect, a light emitter component can include a substrate having an elongated body and first and second ends. At least a first trace and a second trace can be provided on the substrate. In some aspects, the first trace can be disposed proximate the first end of the substrate and the second trace can be disposed proximate the second end of the substrate, with no other portion of the first trace or second trace being disposed between the first and second ends of the substrate. In some aspects, a string of LED chips can be provided on the substrate. The string of LED chips can be disposed between the first and second ends of the substrate. Angled traces, gaps and light emitter components can also be provided in some aspects.

Abstract: A method of assembling a component to a printed circuit board that includes a thermal layer and a circuit layer separated by a dielectric layer. The circuit layer includes circuit pads that correspond to terminal surfaces on the component. The dielectric layer includes an aperture that exposes a portion of the thermal layer that correspond to a thermal pad on the component. Solder paste is applied to the circuit pads and the exposed thermal layer. Lower surfaces of the solder paste are in contact with the circuit pads and the thermal layer and upper surfaces of the solder paste are substantially coplanar. The component is placed on the solder paste. The printed circuit board and the component are heated to create solder joints between the terminal surfaces on the component and the circuit pads and between the thermal pad on the component and the thermal layer.

Abstract: A safety LED lamp includes a shell, an LED light source arranged in an interior space of the shell, and a base. The safety LED lamp also includes a light-transmitting protective enclosure, which is mounted inside the shell and is arranged outside the LED light source to enclose the LED light source. The protective enclosure is made of a plastic material. Compared to the prior art, the safety LED lamp includes an arrangement that additionally includes the protective enclosure that is arranged inside the shell to enclose the LED light source and is made of plastics so that when the shell is broken, the LED light source that is enclosed by the plastic protective enclosure is prevented from direct contact with the external surrounding environment and potential risk of causing threats to the users is eliminated.

Abstract: A light-emitting diode device includes a substrate; a plurality of light-emitting units formed on the substrate, wherein the light-emitting units form a serially-connected array, including n adjacent light-emitting unit rows, wherein n?5, and the light-emitting units in the same rows connect vertically and/or the light-emitting units in the same columns connect horizontally, and a connecting direction of at least three light-emitting units in two adjacent rows are the same; a plurality of conductive connecting structures connecting the plurality of light-emitting units; a first contact light-emitting unit formed on the substrate and in the first light-emitting unit row; and a second contact light-emitting unit formed on the substrate and in the nth light-emitting unit row; at least three light-emitting units in the first light-emitting unit row have a 1st area, and at least three light-emitting units in the nth light-emitting unit row have a 2nd area, wherein the 1st area and the 2nd area are not equal.

Abstract: A device for a motor vehicle with an electronics unit, which is used to control an electric component, and which is arranged on a cooling element for cooling the electronics unit. Provision has been made that the cooling element basically consists of metal and the cooling element encloses the electronics unit in such a way that it results in an electromagnetic shield of the electronics unit.

Abstract: The light source unit has holding portions for holding a socket on a mounting surface facing the socket, and the socket has an engagement portion for engagement with holding portions. The engagement portion has engagement claws biased in parallel to the mounting surface movably oppositely to each other and engaged with the holding portions, and a holding mechanism that holds the engagement claws while they are adjacent to each other so as not to be engaged with the holding portions. The engagement claws and the holding portions are engaged with each other when the light source unit is disposed in the mounting position to the socket, and the engagement claws held by the holding mechanism is released. For this reason, it is possible to install the light source unit to the socket with a weak force.

Abstract: Described herein is a bulb-like LED lamp comprising a base, a lamp cover and a threaded cap, the lamp cover and the threaded cap are connected to two ends of the base respectively, wherein the base is sheathed with a heat-dissipation tube integrally formed by a first column tube and a first polygonal tube, a heat-dissipation plate is embedded in an opening end of the first polygonal tube, an exterior surface of the first polygonal tube is sheathed with an LED fixing loop and an LED board.

Abstract: In a conventional lamp for vehicles, there may be a case in which any shuddering is generated. The present invention comprises a semiconductor-type light source, a lens, a lens holder, and a heat sink member. An attachment hook section is provided in the lens holder. Attachment sections are provided in the heat sink member. The attachment sections of the heat sink member are interposed between the lens holder and the attachment hook section. The present invention is capable of attaching the lens holder to the heat sink member without any shuddering being generated.

Abstract: A light emitting device includes: a plurality of light emitting modules each provided with a circuit board, and first to n-th light source groups disposed on the circuit board, n being an integer greater than two, wherein the first to n-th light source groups each include at least one light emitting diode (LED); a driving module supplying driving power to the plurality of light emitting modules, and determine a number of light source groups operating in each of the plurality of light emitting modules based on a level of the driving power; and a module connection unit connecting first to n-th light source groups provided in one of the plurality of light emitting modules and first to n-th light source groups provided in another light emitting module in parallel in a detachable manner, respectively.

Abstract: A modular LED lighting system is presently disclosed, the system comprises at least one LED lamp housing configured to house and hold at least one longitudinally extending LED lamp or an array of LEDs. The LED lamp housing comprises two substantially parallel longitudinally extending sidewalls and two substantially parallel end walls, each end wall extends from edges of the sidewalls to form an LED lamp housing with a rectangular lower light opening. Each of the sidewalls are configured to abut with a sidewall of an adjacent LED lamp housing and each of the end walls are configured to abut with an end wall of an adjacent LED lamp housing, in the modular LED lighting system. Each of the at least one LED lamp housings in the modular LED lighting system are configured to adjoin with an adjacent LED lamp housing.

Abstract: In a first aspect of the present inventive subject matter, a light-emitting device includes a substrate; a light-emitting element electrically connected to the substrate and arranged in a light-emitting area that is positioned on an upper surface of the substrate; and an electronic part that is electrically connected to the substrate and arranged outside the light-emitting area on the upper surface of the substrate, the electronic part obliquely protruding from an edge of the upper surface of the substrate.

Abstract: A lighting apparatus includes a printed circuit board. A first light source and a second light source can be mounted on the printed circuit board. A first optical member can receive and redirect light from the first light source, and a second optical member can receive and redirect light from the second light source. A vent aperture can be defined in the printed circuit board, the vent aperture being positioned between the optical members. The apparatus can include first and second thermally conductive sheets thermally coupled to the printed circuit board, the first thermally conductive sheet disposed on a first back side of the first optical member, the second thermally conductive sheet disposed on a second back side of the second optical member. The apparatus can include a housing having a housing vent, the housing vent and the vent aperture defining a first convective path between the optical members.

Abstract: The present disclosure provides a LED module. The LED module includes a LED lamp, a heat radiator, and a PCB. The LED lamp includes a LED main body, and a heat conducting block and a pin configured to the main body. The heat conducting block is mounted on the bottom surface of the LED main body towards the PCB. The pin has a free end passing through the PCB, and electrically connecting a bonding pad of the PCB. The heat radiator is caught between the heat conducting block and the PCB, and the heat conducting block resists against the heat radiator. A display device is also provided. The heat introduced by the LED lamp can directly dissipate from the heat conducting block to the heat radiator, thus enhancing the heat dissipation of the LED lamp.

Abstract: A warning light for attachment to a vehicle comprising a thermally conductive longitudinally extending base, a plurality of light head mount assemblies, a plurality of LED warning light assemblies, and a plurality of electronic control circuits. Said base has a pair of generally parallel longitudinal edges and a pair of ribs projecting perpendicularly from said base. Said light head mount assemblies comprise a bracket and a light head retention shoe. Said bracket has a generally planar bracket first portion and a generally planar bracket second portion oriented perpendicular to said first portion. Said light head shoe has a sole configured to engage said bracket first portion, a rib engaging portion, and a brace extending angularly therebetween. Said LED assemblies are mounted on said bracket second portion. Said dome has a main body portion, sidewalls configured to engage said edges, and end walls.

Abstract: A luminaire element (10) for a luminaire (1), which luminaire element (10) comprises a first light-emitting device (11); a second light-emitting device (12); a frame (2) realized to accommodate the first light-emitting device (11) and the second light-emitting device (12), which frame (2) comprises a connecting interface (22, 23) realized to physically and electrically connect to a further luminaire element (10) of the luminaire (1); and wherein the first light-emitting device (11) and the second light-emitting device (12) are arranged within the frame (2) such that the first light-emitting device (11) emits to a first side of the luminaire element (10), and the second light-emitting device (12) emits to a second side of the luminaire element (10).

Abstract: Disclosed are a lighting apparatus and a lighting control system. The lighting apparatus includes a heat radiation frame, at least one light emitting device on the heat radiation frame, a diffusion frame provided on the heat radiation frame to protect the at least one light emitting device and diffuse a light emitted from the at least one light emitting device, and a support frame provided under the heat radiation frame and having a receiving space to receive at least one module. The module includes a wireless communication module to transmit or receive a control single of the at least one light emitting device. The power supply module is physically separated from the wireless communication module.

Abstract: The present disclosure provides an audio broadcast system and method using lighting devices. The audio broadcast system includes a primary lighting device and secondary lighting device(s). Each lighting device includes a Bluetooth module and an audio broadcast module. The primary lighting device and the secondary lighting device(s) are connected to form a wireless transmitting linking path through the Bluetooth modules. The Bluetooth module of the primary lighting device is configured to receive a first audio data from an external device, and to send the first audio data to the secondary lighting device(s). The Bluetooth modules of the secondary lighting device(s) are configured to receive the first audio data from the connected primary lighting device or from connected other secondary lighting device(s). The audio broadcast modules of the primary lighting device and the secondary lighting device(s) are configured to broadcast the first audio data.

Abstract: Various embodiments may relate to a lens for an illumination device. The lens includes a bottom wall, a top wall, and a circumferential wall. The circumferential wall connects the bottom wall and the top wall. A plurality of regions of the bottom wall respectively arch towards the top wall to define at least one first accommodation cavity having an inner wall as a first incident surface, and at least one second accommodation cavity having an inner wall as a second incident surface. The first and second incident surfaces are designed as different curved surfaces for receiving first incident light and second incident light, respectively. Various embodiments further relate to an illumination device including the lens.

Abstract: The present application relates to a light emitting diode module comprising: a light source device (11), a cover (10) for said light source device (11), the cover (10) being arranged to connect to an optical device (21); wherein said cover (10) comprises a heat conducting part (24, 34) which has an at least one order of magnitude higher thermal conductivity than the remaining part of the cover (10) and which is arranged to thermally connect said light source device (11) with said optical device (21). The present application further relates to a corresponding cover for a light source device (11) in a light emitting diode module (1).

Abstract: Indoor holiday lights comprising a strand of lights and ornaments wherein the ornaments comprise a specially designed picture frame inside of which the user can insert a favorite photograph or other printed image, wherein the picture frame is positioned on the surface of an ornament. Also provided is a strand of holiday lights further comprising an electronic scrolling banner that displays any number of holiday messages and offerings of good tidings and cheer options positioned below the frame.

Abstract: The disclosure discloses a multi-source homework lamp comprising: a first lampshade and a second lampshade connected to a shaft, wherein the first lampshade and the second lampshade are rotatable around the shaft; main lights disposed inside each of the lampshades; and a control unit for controlling the luminance of the main lights and controlling the rotation of the first lampshade and the second lampshade, thereby controlling the angle between the two. In the multi-source homework lamp according to the disclosure, by a design of the two-piece main lights with the angle being variable, the illuminance is caused to be more uniform, and the illumination range and the illumination luminance of the homework lamp may be adjusted more conveniently.

Abstract: A lighting control system comprises a router installed with a Zigbee gateway, and at least one set of lighting devices; the lighting device includes a Zigbee control module, a power supply module and a lamp; the Zigbee gateway converts a wireless signal received by the router for controlling the operation of the lamp into a digital signal of the Zigbee protocol and transmits the digital signal to the Zigbee control module; and the Zigbee control module converts the digital signal into a control signal required to adjust the lamp, and the control signal controls an electric signal output to the lamp by the power supply module to control the operation of the lamp. Using Zigbee signals to build a lighting control system facilitates ad hoc networking and can realize multi-point control of lamps.

Abstract: A light fixture is provided. The light fixture contains a light engine module having a printed circuit board with a plurality of light sources and a lens module having a plurality of lens elements for the plurality of light sources, a housing for the light engine module, and a latch engaged with the housing, the latch locking and unlocking the lens light engine module with the housing.

Abstract: A lamp includes a lamp housing which has a light exit opening. A light source of a first type is arranged in the lamp housing. A mounting is fastened to the lamp housing and at least one light source of a second type is fastened to the holder. The at least one light source of the second type includes an organic light-emitting diode and the at least one light source of the second type is arranged downstream of the light exit opening in an emission direction.

Abstract: Solid state lighting devices and associated methods of thermal sinking are described below. In one embodiment, a light emitting diode (LED) device includes a heat sink, an LED die thermally coupled to the heat sink, and a phosphor spaced apart from the LED die. The LED device also includes a heat conduction path in direct contact with both the phosphor and the heat sink. The heat conduction path is configured to conduct heat from the phosphor to the heat sink.

Abstract: A light emitting diode (LED) module including: a substrate; a resist including a plurality of layers above the substrate; and an LED element mounted above the substrate. A content percentage of at least one of a phenyl group, an ester bond, and a carbon double bond in a second layer that is an uppermost layer of the plurality of layers is lower than a content percentage of the at least one of the phenyl group, the ester bond, and the carbon double bond in a first layer that is an underlying layer of the plurality of layers, the underlying layer being located below the uppermost layer.

Abstract: A light-emitting display system has interlocking tiles. In an implementation, each tile has a portion of a clamp that joins with another portion of the clamp on another tile. A tile is removed from the display by unlocking the clamp portions. The tile is removed without affecting the position of the other tiles in the display.

Abstract: An LED bulb comprises a structural shell formed by folding a flat PCB into a three-dimensional polyhedron shape and a fitting for removably coupling the bulb to a light socket. The PCB comprises a plurality of LEDs, at least one LED mounted electronically on a plurality of faces of the polyhedron, and a driver circuit for driving each LED. The perimeter of the PCB is shaped to join adjacent faces. Each LED produces minimal excess heat, which is partially conducted by a metallic heat sink bridge to the PCB and dissipated to the air through the PCB and through a plurality of spaces in the shell.

Abstract: There is provided a flame-resistant composite member exhibiting remarkably high flame resistance even if having a flammable base material. The flame-resistant composite member according to the present invention has a film formed of a silicone resin composition (C) containing at least an inorganic oxide particle-containing condensation-reactive silicone resin on at least one surface of a base material. The inorganic oxide particle-containing condensation-reactive silicone resin may be a condensation-reactive silicone resin (A) including a crosslinked structural body wherein an inorganic oxide particle dispersed in a polysiloxane resin having a condensation-reactive group and the polysiloxane resin are crosslinked through a chemical bond. The silicone resin composition (C) may contain the condensation-reactive silicone resin (A) and an inorganic particle (B).

Abstract: An LED package structure includes a substrate, a circuit layer and an insulating layer both disposed on the substrate, a light-emitting unit, and a reflective housing integrally formed with the insulating layer. The light-emitting unit includes an LED chip and a fluorescent body encapsulating the LED chip. The light-emitting unit is mounted on the insulating layer and the circuit layer. The fluorescent body of the light emitting unit is spaced apart from the circuit layer with a gap in a range of 3˜10 ?m. The reflective housing is formed on the insulating layer and the circuit layer and is further filled within the gap. A top plane of the reflective housing arranged away from the substrate is lower than or equal to that of the light-emitting unit, and a distance between the two top planes is in a range of 0˜30 ?m.

Abstract: A spotlight and a method of controlling the spotlight with an external device. The spotlight includes a first light source, a second light source, and a power supply. The spotlight also includes a transceiver configured to communicate wirelessly with the external device and a processor. The processor is operable to receive a first input from the external device specifying a first amount of power to be provided to the first light source, and receive a second input from the external device specifying a second amount of power to be provided to the second light source. The processor is also operable to control the power supply to provide the first amount of power to the first light source in response to the first input, and control the power supply to provide the second amount of power to the second light source in response to the second input.

Abstract: A lighted mounting apparatus for a promotional glass holder including a channel which is lined on the bottom by a LED strip, a pair of extrusions to receive and hold a promotional glass, and a low voltage power supply.

Abstract: A method for constructing a concrete structure with light sources embedded therein is provided. An array of light sources with associated circuitry is positioned on a support member. A mold is positioned around the light sources and the associated circuitry on the support member. A binder material is filled in the mold containing the light sources and the associated circuitry on the support member to embed the light sources and the associated circuitry within the binder material. The binder material is allowed to set within the mold containing the embedded light sources and the associated circuitry. The mold and the support member are then removed to obtain the concrete structure embedded with the light sources and the associated circuitry. The embedded light sources illuminate the concrete structure when the embedded light sources are powered on. A decorative upper layer may be created by marbling, veining, etc., in the concrete structure.

Abstract: A ring light is provided for rotary, spindle based machines such as mills and drills. The ring light is magnetically held to the machine about the spindle and may be moved along the spindle to any location thereon. The ring light may powered by a module containing batteries which may be replaceable or chargeable by a power supply or through induction. All three embodiments are disclosed. The construction is generally unitary with respect to the ring portion of the ring light and it may be constructed so that the power module is removable or as one piece with the ring portion.

Abstract: Disclosed is a light emitting apparatus. The light emitting apparatus includes a package body; first and second electrodes; a light emitting device electrically connected to the first and second electrodes and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second conductive semiconductor layers; and a lens supported on the package body and at least apart of the lens including a reflective structure. The package body includes a first cavity, one ends of the first and second electrodes are exposed in the first cavity and other ends of the first and second electrodes are exposed at lateral sides of the package body, and a second cavity is formed at a predetermined portion of the first electrode exposed in the first cavity.

Abstract: A holder (210) for holding a carrier (240) comprising solid state light emitters (242), a lighting module, a luminaire and a method of manufacturing a holder for a lighting module are provided. The holder (210) comprises a light exit window (214), a fastening element (212), a contact surface (226) and at least two hooks (220). The contact surface provides a stop position with which the carrier is in contact when the carrier is assembled in the holder. The at least two hooks are moveable between a clamping position and a sidewards position. When the holder is assembled to the carrier, i) and when said hooks are in the clamping position, said hooks are arranged for clamping the carrier between said hooks and the contact surface, and ii) when the holder is fastened to the mounting surface of the another object, said hooks are in the sidewards position, the sidewards positions is a position away from the carrier.

Abstract: Light emitter packages having multiple light emitter chips, such as light emitting diode (LED) chips, and related methods are provided. In one aspect, a light emitter package can include a submount, an array of light emitter chips disposed on a portion of the submount, and a lens provided over the submount and covering at least portions of the array. In some aspects, at least some of the light emitter chips can be adapted to emit light of a first dominant wavelength. In further aspects, at least some other light emitter chips are adapted to emit light of a second dominant wavelength that is different than the first dominant wavelength. In some aspects, the lens can be asymmetric. In some aspects, a collective center of the chips, or a center of an array of chips can be offset from a center of the asymmetric lens.

Abstract: A light unit is provided that includes a frame having a top face and a bottom face, with the bottom face at least partially overlapping the top face in some configurations. A non-OLED light source is disposed on the top face and configured to emit light away from the top face. An OLED light source is disposed on the bottom face and configured to emit light away from the bottom face.

Abstract: A wireless replacement light bulb with one or more accompanying control switches, such as an integrated switch and/or a wireless lamp switch is provided. The bulb comprises a light source, such as an LED element, a controller, a wireless interface, and one or more accompanying control switches, such as an integrated switch and/or a wireless lamp switch. The bulb can be controlled, such as turned on or off, by a user using the integrated switch, the wireless lamp switch, or a combination thereof. The integrated switch and the wireless lamp switch does not remove power from the controller, allowing the controller to control the bulb in response to receiving a wireless control signal from a remote electronic device, such as a remote control, a smartphone, a tablet, or the like.

Abstract: A circuit card assembly includes a substrate having longitudinally spaced first and second substrate end edges and transversely spaced top and bottom substrate surfaces. The top and/or bottom substrate surface has first, second, and third substrate regions. The first substrate region is directly laterally adjacent the first substrate side edge. The third substrate region is directly laterally adjacent the second substrate side edge. The second substrate region is located between the first and third substrate regions. At least one circuit trace is located on the selected substrate surface. The portion of the circuit trace in the first substrate region is made of only a first material. The portion of the circuit trace in the third substrate region is made of only a second material. The portion of the circuit trace in the second substrate region is made of both the first and second materials.

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: The present application discloses systems and methods for providing low voltage power for low voltage lighting sources, e.g., so-called landscape lighting. A low voltage lighting power supply includes an enclosure and a power circuit enclosed in the enclosure. In some embodiments the power circuit has a primary side and a secondary side. The primary side accepts power from a main power source and the secondary side has a plurality of separate output power circuits, each output power circuit generating a separate low voltage lighting power signal capable of lighting a plurality of low voltage light sources and each being rated for a particular output.

Abstract: An LED projection module (1) includes two or more LED light sources which each consist of one or more light-emitting diodes that couple light via a light coupling-in point associated therewith into an optical waveguide. Light exits from the optical waveguides via a light decoupling point. The exiting light is projected by a projection lens to form at least one light distribution. The optical waveguides for the individual LED light sources are arranged laterally side by side in a horizontal plane and border one another directly such that light can pass over between adjacent optical waveguides. The individual light outlet surfaces are arranged side by side and form a total-light light outlet surface. One or more indentations are provided in the total-light light outlet surface, between the individual light outlet surfaces, and in each case extend at least over part of the vertical extension of the total-light light outlet surface.