Abstract: A wall mounting bracket for a light fixture. The mounting bracket has an oblong body defined by oppositely disposed, generally parallel upper and lower surfaces. A mounting surface is disposed at one end of the oblong body, generally perpendicular to the upper and lower surfaces. A stem port passes through the body from the upper surface to the lower surface. A transverse port passes through the oblong body from the mounting surface to the stem port. The stem port has threaded openings in each of the upper and lower surfaces for receiving mounting stems from light fixtures. The mounting surface may be attached to a wall in any orientation or rotation so as to permit light fixtures to be oriented to one or both sides of the bracket.

Abstract: A gimbal structure includes an electric motor including an electric motor output shaft and an electric motor housing, a gimbal shaft assembly coupled with the electric motor output shaft, and a slidable lock mechanism arranged at one of the electric motor housing and the gimbal shaft assembly. The slidable lock mechanism is configured to switch between an engaged state and a disengaged state. In the engaged state, the slidable lock mechanism engages with another one of the electric motor housing and the gimbal shaft assembly to limit rotation of the gimbal shaft assembly relative to the electric motor. In the disengaged state, the slidable lock mechanism disengages from the other one of the electric motor housing and the gimbal shaft assembly to release restriction between the gimbal shaft assembly and the electric motor.

Abstract: An LED control system is provided for connection to an LED lighting system via a power line to control the LED lighting system using commands formed by manipulation of frequency and amplitude of a signal transmitted over the power line. The signal may be for example a wave or a sequence of pulses. The signal may be provided in superposition with line power or the line power may be formed as the signal. The signal can be provided intermittently and a carrier wave also provided and modulated at the same time as the signal. When the signal is not being produced, the power on the power line may be power that is allowed to flow without manipulation from an external portion of the power line.

Abstract: A panel light fixture includes: a light source assembly; a heat sink attached to the light source assembly; an adaptor ring arranged to accommodate the light source assembly and the heat sink; an anchor plate, having a connection hole and a plurality of mounting holes, for mounting with a junction box; and a contact spring firmly connected to the heat sink for anchoring the anchor plate through the connection hole. The junction box is mounted to the anchor plate through the plurality of mounting holes.

Abstract: A modular lighting system for attachment and removal of light sources is described herein. In one embodiment, the system may include a first LED light segment adapted or configured to produce ambient light, a second LED light segment adapted or configured to produce directional light, an installation track adapted or configured to connect to the first LED light segment and the second LED light segment along a length of the installation track, a power source adapted or configured to provide power, via the installation track, to the first LED light segment and the second LED light segment when the first LED light segment and the second LED light segment are connected to the installation track, where the first LED light segment and the second LED light segment are further adapted or configured to be separately controllable and positionable along the length of the installation track.

Abstract: Embodiments of the present disclosure disclose a lamp which comprises a driving plate, a hanging plate, and a main lamp. The driving plate comprises an elastic probe. Each of the hanging plate and the main lamp comprises a contact piece for electrically connecting with the elastic probe. The driving plate is in buckle connection with the hanging plate and the main lamp. The elastic probe on the driving plate is electrically connected to the contact piece on the hanging plate when the driving plate is engaged with the hanging plate. The elastic probe on the driving plate is electrically connected to the contact piece on the main lamp when the driving plate is engaged with the main lamp. A feasible dual-purpose panel lamp which enables more convenient installation can be provided by embodiments of the present disclosure.

Abstract: A lighting device uses a cylindrical lens with LED light sources positioned and adjustable with respect to the cylindrical lens.

Abstract: A twist-and-lock mounting bracket may secure a lighting fixture to a mounting surface. The twist-and-lock mounting bracket may define an aperture having features corresponding to the shape of a twist-and-lock element disposed on a housing of a lighting fixture. Accordingly, the twist-and-lock element may be configured to extend through the aperture while the corresponding features of the twist-and-lock element and the aperture are aligned. The housing may then be rotated such that the tabs do not align with the corresponding features of the aperture, and the twist-and-lock element is thereby prevented from sliding through the aperture. The mounting bracket may be secured to a junction box positioned within a mounting surface, or it may be secured to a biasing bracket having one or more second resilient members configured to engage the interior of a recessed can light, such that the lighting fixture may be secured to the recessed can light.

Abstract: A lighting device for a vehicle. The lighting device includes an LED having a central axis. light distribution of light emitted by the LED is substantially symmetric about the central axis. The lighting device also includes a reflector for reflecting at least a portion of the emitted light. The reflector is positioned relative to the LED such that a combined light distribution of the emitted light and reflected light is not symmetric about the central axis and a maximum light intensity direction of the combined light distribution of the emitted light and the reflected light is angled with respect to the central axis. The position of the reflector relative to the light-emitting semiconductor device is adjustable such that an adjustment to the position of the reflector changes a direction of the maximum light intensity direction of the combined light distribution.

Abstract: A light fixture may include a dome member including exterior and interior surfaces, and a panel positioned adjacent to the interior surface of the dome member. The panel may comprise carbon fiber. The panel may provide a mounting surface to which circuit boards including LEDs are mountable. The panel may include raised portions and recessed portions, which provide a mounting surface to which the circuit board(s) may be mounted. The circuit board may span the distance between adjacent raised portions of the panel, spanning a corresponding recess. Such a recess may provide for an air gap for improved air circulation. The fixtures may be used in corrosive environments, to provide a useful life that is extended relative to what the lifespan would be if the panel were not carbon fiber. Examples of corrosive environments include livestock facilities, enclosed agricultural facilities, coastal highways, sewage and other water treatment plants, etc.

Abstract: A baffle system for a lighting or ventilation apparatus, the system having a baffle with a wall extending from an upper end to a lower end, and a lip extending from the wall lower end to a lip outer edge and defining a lip face. A mask is configured to couple to the baffle and cover the lip face. The mask provides aesthetics different from the aesthetics of the lip face and facilitates simple and economical alteration of the baffle aesthetics.

Abstract: A recessed light fixture configured to deliver indirect light to an area. The recessed light fixture includes a trim component, a reflector coupled to the trim component, and an annular ring including a plurality of light-emitting diodes (LEDs). The trim component has an outer wall and an inner wall spaced radially inward of the outer wall, and defines an annular recess between the outer and inner walls. The reflector includes a patterned reflective surface. The annular ring is arranged within the annular recess of the trim component. The LEDs are configured to emit light toward the reflector so that the reflector redirects the light to deliver the indirect light to the area.

Abstract: A lighting fixture includes a fixture body, a lighting bay, a light source, and an auxiliary bay. The lighting bay is in a first portion of the fixture body. The light source is in the lighting bay, and is configured to provide light suitable for general illumination. The auxiliary bay is adjacent to the lighting bay in a second portion of the fixture body. The auxiliary bay includes a mounting surface suitable for mounting an auxiliary device in the auxiliary bay and an auxiliary bay frame surrounding the auxiliary bay, which supports and therefore allows for the installation of a removable auxiliary bay cover over the auxiliary bay. Providing the auxiliary bay in the fixture body allows auxiliary devices to be installed in a ceiling without any changes to the ceiling.

Abstract: The lighting fixtures include, for example, a peripherally-extending frame surrounding an opening and a rear member having a front facing surface disposed behind the rear opening. The front facing surface of the rear member is illuminated by a light source disposed behind the rearwardly-extending member when the light source is on so that light emission from the light source passes between the peripherally-extending frame and the front facing surface of the rear member, is reflected off the front facing surface of the rear member, and is directed through the opening in the peripherally-extending frame. When the lighting source is on and the illuminated front facing surface of the lighting fixture is viewed by an observer, the light source is hidden from view to the observer by the peripherally-extending frame. In some embodiments, the lighting fixtures may have an illumination effect.

Abstract: Luminaires that simultaneously illuminate a support surface (for example, a floor) and the surface to which the luminaires are mounted (for example, a ceiling) and methods for manufacturing the same are disclosed. Embodiments include luminaires that divide the light from a single light emitter (which may include one or more light sources such as LEDs) into a portion directed toward the luminaire's mounting surface and a portion directed toward the support surface. Some embodiments utilize a planar light guide with the light emitter mounted adjacent one edge, which in some embodiments is the internal edge of an aperture formed in the planar light guide. In some embodiments, one surface of the light guide includes grooves that internally reflect light toward the support surface while allowing a smaller amount of light to exit the light guide toward the mounting surface, and may be grouped according to the distance separating adjacent grooves.

Abstract: Multi-purpose channels are disclosed. These channels include sidewalls and a bottom, which may be either modular or of single-piece construction. An outwardly-extending flange is removably connected to at least one sidewall, allowing the channel to be mounted flush in a wall or converted for mounting in another fashion.

Abstract: A luminaire includes a light transmission unit and a light source that are disposed in a housing assembly of the luminaire such that light emitted from the light source enters a lightguide panel of the light transmission unit through an edge of the lightguide panel and exits the lightguide panel through a surface of the lightguide panel that is substantially perpendicular to the edge. A length of the luminaire along its long side is greater than a width of the luminaire along its short side, while a height of the luminaire with or without any appropriate electronic component that is mounted thereto is less than the width of the luminaire as well as a width of an aperture of a recessed installation structure, such as a T-grid frame or a drywall frame, through which the luminaire is to be installed. The luminaire includes grid clips for recessed installation.

Abstract: Inventive methods and apparatus for providing an open wall wash luminaire designed to allow a small amount of light to go behind the luminaire kick reflector, resulting in the kick reflector being less noticeable by an occupant of the room when light is being provided by the luminaire.

Abstract: A luminaire includes a housing with a first side wall, a second side wall opposite the first side wall and a cover wall connecting the two side walls. The luminaire further includes a lamp device with a support plate and at least one luminous element, and a holder that couples the support plate of the lamp device to the side walls such that the support plate, together with the side walls and the cover wall, define an enclosed receiving space. An electrical connection device that is electrically connected to the lamp device is arranged in the enclosed receiving space.

Abstract: An integrated ceiling and light system that incorporates a light module into a ceiling tile. The system may include a grid support system suspended from an overhead support structure that includes at least one grid support element and first and second ceiling tiles supported by the grid support element in an adjacent manner. A nesting cavity may be formed into the first and second ceiling tiles such that a light module may be disposed within the nesting cavity and coupled to the first and second ceiling tiles. The ceiling tiles may be of the type that conceals the grid support element on which it is supported. In one alternative embodiment, the light module and a nesting region of the ceiling tile may include corresponding edge profiles to facilitate mating therebetween to enable coupling of the light source to the ceiling tile.

Abstract: An adjustable hanging element is provided herein for suspended light fixtures which allows for adjustment of a point of contact for suspension both upon initial installation and while installed, without the need for taking the fixture down.

Abstract: A modular track light includes an electrical box and an adaptor that links the modular track light to a track. This adaptor connects to the electrical box through one or more rotating components. The electrical box has a groove with a power supply plate therein. The power supply plate is slidably removable from a power consumption plate which is attached to a fixture through one or more additional rotating components. When the power consumption plate is fastened to the power supply plate, an electrode clip on the power consumption plate engages an electrode contact point on the power supply plate, creating an electrical connection between the electrical box and the fixture. When these plates are separated, the electrode clip disengages the electrode contact point, disconnecting the electrical box and the fixture. The modular track light is easy to replace and can fulfill the demands of different applications.

Abstract: A wall wash luminaire includes a trim assembly that has a trim and a light re-direction assembly. The light re-direction assembly includes a reflector kicker that is configured to re-direct light from the wall wash luminaire and an optical lens that is coupled to the reflector kicker such that the reflector kicker and the optical lens operate as a single unit. The light re-direction assembly is removably coupled to the trim such that the light re-direction assembly is slidingly rotatable with respect to the trim and 360 degrees about a central axis of the trim assembly.

Abstract: A lighting apparatus for a building structure. The apparatus includes a plurality of LEDs and a holder having a heat sink for holding the LEDs along a length of the holder and dissipating heat from the LEDs. The apparatus includes a first bracket which extends outward from the holder in a first direction on a first side of the holder and is moveably attached to the holder. The apparatus includes a second bracket which extends outward from the holder in a second direction on a second side of the holder and is moveably attached to the holder. The apparatus includes a first screen attached to the first bracket on the first side of the holder and a second screen attached to the second bracket on the second side of the holder. When the first bracket is moved, the first screen is moved relative to the holder on the first side of the holder; and when the second bracket is moved, the second screen is moved relative to the holder on the second side of the holder. A method for lighting a building structure.

Abstract: A friction clip includes a coupling portion having a coupling element, a middle portion adjacent the coupling portion, and an end portion adjacent the middle portion and opposite the coupling portion. The middle portion includes a bent out tab having a first interference edge configured to engage an internal wall of a first canister having a first diameter and the end portion includes a second interference edge configured to engage an internal wall of a second canister having a second diameter. Alternatively, a multi-part friction clip includes a first member that is couplable to a light module, and a second member that is removably couplable to the first member. The second member includes a coupling portion configured to removably engage with the first member, a middle portion having a bent out tab that includes a first interference edge, and an end portion that includes a second interference edge.

Abstract: The present disclosure provides wall pack light fixtures having a hinge, the hinge having a first portion and a second portion rotatably coupled to the first portion, a front cover, the front cover connected to the first portion of the hinge, the front cover including a light engine, and a rear enclosure, the rear enclosure connected to the second portion of the hinge.

Abstract: A downlight apparatus includes a driver, a LED light source, a back cover and a frame part. The back cover forms a containing space for storing the driver and the LED light source. The back cover has an external side wall fixed with a plurality of lateral sockets. Each lateral socket has an entrance for inserting a corresponding metal piece. The metal piece is fixed to a hook structure when the metal piece is inserted into the lateral socket at a predetermined position from the entrance. The frame part is connected to the back cover. the frame part has an opening for a light of the LED light source emitted from the opening.

Abstract: A lighting enclosure protected against water and dust is described. An example lighting enclosure comprises: a first elongated part comprising a longitudinal groove element; a second elongated part attached to the first elongated part, wherein the second elongated part comprises an outwardly bent longitudinal edge element engaged with the longitudinal groove element; a linear gasket inserted in a gap between the longitudinal groove element and the outwardly bent longitudinal edge element; and a compression strip inserted between a base of the outwardly bent longitudinal edge element and a longitudinal overhanging element of the first elongated part.

Abstract: A light fixture can include a light housing and a light cartridge. The light cartridge can be configured to releasably and/or electrically connect to a portion of the light housing. In some embodiments, the light cartridge includes a collar movably connected to the cartridge and configured to rotate with respect to the cartridge. Rotation of the collar can facilitate attachment and/or release of the cartridge from the light housing. In some cases, the cartridge includes a releasable driver, one or more lenses, one or more beam reflectors, one or more diffusers, and/or other electrical and optical components.

Abstract: A luminaire includes a housing assembly that has a back plate embossed to allow one or more power supply devices to be coupled thereto and to be integrated into the luminaire. Further, the luminaire includes a light assembly that is disposed in an internal cavity defined by the housing assembly. The light assembly includes a light source and an optical assembly. The optical assembly includes a light guide and a reflector layer. Furthermore, the luminaire includes an electronic control device mounting apparatus that is configured to integrate an electronic control device into the luminaire through the optical assembly.

Abstract: The present invention relates to a device for attaching and detaching a handle of a surgical light which is a medical lighting apparatus. The device, in the handle which is inserted into or separated from a surgical light shaft in a female-male coupling manner, comprises: a lock pin which protrudes in the axial direction of the surgical light shaft and is inserted into a lock hole formed on the handle so as to prevent the handle from being separated; a pin spring, supported on the surgical light shaft, for providing elastic force so that the lock pin protrudes to the outside of the surgical light shaft; a separation button which is provided on the outside of the handle and, when an external force for separating the handle from the surgical light shaft is applied, is pushed so as to enable the lock pin to be separated from the lock hole of the handle; and a button support body for supporting the separation button on the handle so that the separation button is movable to a certain degree.

Abstract: A luminaire includes a light module, the light module including a first acoustic panel, a second acoustic panel, and a lightguide disposed between the first acoustic panel and the second acoustic panel. The lightguide can extend from the first acoustic panel and the second acoustic panel. A frame is disposed between the first acoustic panel and the second acoustic panel and secures an edge of the lightguide within the light module. A light emitting diode is located within the frame and oriented to emit light into the edge of the lightguide.

Abstract: A luminaire having a substantially two-piece housing with a first portion and a second portion, for example a cover and a base. The cover receives one or more control components. The base receives a light emitter assembly and the control component assembly is operatively connected to the lighter emitter assembly to control the light output therefrom. A lens assembly can be connected to the bottom of the base 14. Different mounting components can be connected to cover to connect the luminaire 10 to a support.

Abstract: A lighting module includes an LED light source and a power source coupled to the LED light source. The LED light source is powered by the power source. The power source includes an auxiliary output connection that is terminated at a standardized connector. The power source provides power to an auxiliary device via the standardized connector.

Abstract: A retrofit assembly for retrofitting an existing light fixture having an existing housing includes a base, a first mounting member selectively repositionable relative to the base, the first mounting member including a first flange configured to selectively couple the first mounting member to the existing housing, a second mounting member selectively repositionable relative to the base, the second mounting member including a second flange configured to selectively couple the second mounting member to the existing housing, and a lighting element coupled to the base.

Abstract: In some embodiments, aspects of this disclosure provide a system including a reflector of a suspension lighting fixture, the reflector having a reflective underside and a top side; at least two ribs affixed to the top side of the reflector; and a tray base is attached between two adjacent ribs of the at least two ribs. A benefit is that a tray base (and other components attached thereto) may be efficiently positioned at various positions along the length of the reflector.

Abstract: A light fixture having an upper and lower housing, and a mounting bracket adapted to mount to a junction box. The light fixture has a relatively short mounting bracket for surface mount configurations, and a relatively long mounting bracket for recess mount configurations, and a difference in the height of the long and short mounting brackets is equal to the height of the junction box. In the surface-mount and recess-mount configurations a circumferential edge of the upper housing abuts the mounting surface so the lighting fixture has the same external appearance and size in both configurations. The light fixture also has a pendant mode wherein the upper housing is suspended from the junction box by an elongated support. An enclosure for the junction box has a plurality of cut-outs and covers to accommodate various configurations of surface mounted conduit.

Abstract: A light transmission device includes body that extends between a generally planer lower rim that is configured to collect light from a light source, and an upper rim that is configured to emit the light. The upper rim may be elliptical and emit the light in a generally uninterrupted elliptical light emission pattern, even if the light is transmitted to the lower rim in a linear or other non-elliptical pattern. The light transmission device may be located within a wireless networking device with wireless antennas located between the lower and upper rims of the body.

Abstract: The disclosure relates to a lighting device. The lighting device includes a body including a side wall and a base disposed on the side wall; a light source which is disposed below the base of the body; a power supply which is disposed on the base of the body to supply a power to the light source; and a clip including a connection portion and an extension portion extending from the connection portion and disposed on the side wall of the body, wherein the extension portion of the clip has at least one bent portion which is bent toward the side wall of the body.

Abstract: A method of retrofitting a plurality of LED bulbs to a fluorescent tube fixture with a ballast, a fluorescent tube receptacle, a reflector housing and a lens comprises: removing the lens from the reflector housing; disconnecting the ballast from a mains power supply line and removing the ballast and the fluorescent tube receptacle from the housing. The mains mains power supply is wired to a plurality of Edison socket light-emitting diode (LED) bulb sockets extending from a body defining an electrical junction box and threading a plurality of LED bulbs into the bulb sockets. The electrical junction box is mounted to the reflector housing. The fixture lens is reinstalled to the housing such that the bulb adapter is received in an enclosure defined by the housing and the lens.

Abstract: Disclosed is a frame for mounting a recessed light, including: a base plate comprising a lighting box installation hole at which a lighting box is installed, and a power box mounting portion on which a power supply box is mounted, wherein the power box mounting portion is configured to be cut from an area where the lighting box installation hole is formed and the power box mounting portion is integral with the base plate by being connected to the base plate by a connecting portion, whereby the power box mounting portion is arranged at one side of the base plate when the connecting portion is bent. With this, there is provided a frame for mounting a recessed light, which can reduce production cost by minimizing the size of a raw material required in forming the base plate.

Abstract: Retrofit kits for retrofitting LED light engines into existing light fixture housings. The retrofit kit includes a hook bracket that may be mounted in the housing and from which an end of the LED light engine can be suspended so as to permit an installer to electrically connect the LED light engine. The retrofit kit also includes a mounting bracket to secure the free end of the LED light engine into the housing after the LED light engine has been rotated upwardly into the housing from the hanging position.

Abstract: A heat sink with bi-directional LED light source is provided. The heat seat includes a plurality of LED light sources mountable to top and bottom surfaces of the heat sink. The heat sink further includes a partial or through bore extending from one end of the heat sink to the other. The through bore contains power or power and data conductors between fluorescent receptacle end caps. The heat sink may include integral heat dissipating fins extending outwardly from at least one of the said heat sink sides. Light emitted from the plurality of light sources is redirected using lens optics to illuminate at least one surface above or below the heat sink.

Abstract: A light fixture, e.g., as an artificial skylight, in which light within a region defined by x, y color coordinates (0.37, 0.34), (0.35, 0.38), (0.15, 0.20), and (0.20, 0.14) exits a first light engine, and light within a region defined by coordinates (0.29, 0.32), (0.32, 0.29), (0.41, 0.36), (0.48, 0.39), (0.48, 0.43), (0.40, 0.41), and (0.35, 0.38) exits a second light engine. Also, light fixtures in which a second light engine comprises a sidewall, and light exiting a first light engine passes through space defined by the sidewall; light fixtures in which first and second light engines are able to output light providing different CS values at a luminance; light fixtures wherein light incident on a surface of the fixture and cumulative light exiting the fixture have different color points; light fixtures wherein light distribution characteristics of light engines differ; and/or other features. The invention also relates to corresponding methods.

Abstract: Technologies are described for a system for mounting a light source in a ceiling support grid. The lighting system has a first longitudinally extending support having a first light source holder and a longitudinal extending surface for lying on a first flange of the ceiling support grid A second longitudinally extending support has a second light source holder and a longitudinal extending surface for lying on a flange of the ceiling support grid parallel with the first flange. A rectangular or square light source is configured to be mounted with the longitudinally extending supports and in the ceiling support grid.

Abstract: A light source assembly comprises a base body and at least one light source module. The base body comprises a first and a second bearing base connected to each other. The first bearing base is configured for an image capture module to be disposed thereon. The second bearing base is located on the periphery of the first bearing base. The at least one light source module is slidably disposed on the second bearing base, and movable toward and away from the first bearing base. The at least one light source module forms an adjustable space. The adjustable space is configured for receiving the image capture module. The first bearing base has a first bearing surface configured for the image capture module to be disposed thereon. A sliding direction of the at least one light source module is not parallel to a normal direction of the first bearing surface.

Abstract: A mounting bracket for mounting a light emitting diode (LED) flat panel light to a mounting surface is provided. The mounting bracket comprises a bracket frame. The bracket frame comprises one or more second mating mechanisms configured to each mate with a corresponding first mating mechanism of the LED flat panel light when the LED flat panel light is rotated within the bracket frame and with respect to the bracket frame; one or more suspension wire receiving mechanisms, each suspension wire receiving mechanism configured to receive and retain a suspension wire for suspending the LED flat panel light as a pendant light; and one or more junction mount securing mechanisms configured to flush mount the mounting bracket to a junction box.

Abstract: A backlight unit includes: a light source unit including a point light source; and a light guide plate disposed on a path of light emitted from the light source unit, where a plurality of split patterns is defined in the light guide plate. The plurality of split patterns transmits a part of the light emitted from the light source unit and reflects a remaining part thereof, and the plurality of split patterns is concentrically arranged on the light guide plate and around the light source unit.

Abstract: A display device including a light source and a light guide plate may be provided. The light guide plate includes: a light guiding part which guides light incident on a side thereof from the light source by total internal reflection; a fine pattern portion which emits the guided light only to an upper portion of the light guiding part; a guard ring portion which protects the fine pattern portion from the intrusion of impurities; and a light emitting member which is disposed on a top surface of the fine pattern portion and a top surface of the guard ring portion. The light guide plate is formed of a transparent material.

Abstract: A system according to an embodiment of the invention may include a track and a power supply substantially contained within the track. One or more lamps may be electrically connected to the power supply. The lamp may be an HID lamp, an LED lamp, or a fluorescent lamp. The power supply may be a ballast or a transformer, and may comprise a printed circuit board with electrical power handling components on one side. The system may also include a housing which may surround the power supply.