Abstract: A trim member for a lighting device module includes an annular body having a first end portion that is connectable to a housing of the lighting device module and has a light receiving opening, and a second end portion opposite to the first end portion. The second end portion has a light emitting opening and is configured to be positioned outside of the housing of the lighting device module. A first curved or tapered surface extends from the light receiving opening toward the light emitting opening, and has a diameter that increases toward the light receiving opening. A second curved or tapered surface extends from the first curved or tapered surface to the light emitting opening, and has a diameter that increases toward the light emitting opening.

Abstract: Exemplary embodiments of a lighting apparatus and system for cosmetic displays is provided. For example, a display shelf is provided including a support structure having a bottom wall and a side wall, an elongated power track having a length approximately a same length as the side wall, the elongated power track configured to be slidably received within the side wall of the support structure, and a power conductor rail provided in the elongated power track extending along the length of the power track configured to provide power to a modular housing. The modular housing includes a plunge contact that connects to the elongated power track to provide power to lighting within the modular housing.

Abstract: A light source assembly includes a plurality of light source modules. Each of the light source modules includes a base, a light emitting unit and a light guide member. The light guide member has an accommodating space. The light emitting unit and the light guide member are disposed on the base and the light emitting unit is located in the accommodating space. At least one of the base and the light guide member has a first connecting structure and a second connecting structure. The first connecting structure of one of the light source modules is connected to the second connecting structure of another one of the light source modules, such that the light source modules are connected to each other to form the light source assembly.

Abstract: An acoustic and illuminating ceiling panel includes a layer of acoustic absorbent material, the layer including a main inner face intended to be pointed toward the inside of the room, and light sources on the main inner face that is optionally covered by a voile fabric and/or coated, with a paint, wherein the light sources include organic light-emitting diode (OLED) modules with a luminous efficacy greater than or equal to 60 lm/W, and wherein a number and size of the OLED modules are adapted so that the ceiling panel provides an acoustic absorption coefficient ?w greater than or equal to 0.7.

Abstract: A light fixture and wireway assembly is provided in a low-profile configuration wherein at least a portion of a plurality of wireways are disposed in a stacked configuration with a low-profile, edge-lit LED light engine. In one configuration, at least portions of two to four individual wireways are disposed in a stacked configuration with a low-profile, edge-lit LED light engine powered by an LED power supply also disposed within the outer perimeter of the overall assembly. Each wireway can be accessed through a single wireway wall without requiring conduit outside of the outer perimeter of the assembly.

Abstract: Provided herein is a snap-to-grid bracket assembly for use with a fire suppression device. In one approach, a support assembly includes a bracket bar extending transverse to a beam, and a bracket assembly coupled to the bracket bar. The bracket assembly may include a first plate oriented substantially perpendicular to the bracket bar, the first plate having a first end coupled to the bracket bar and a second end, opposite the first end, coupled to the beam. The bracket assembly further includes a seating frame extending from the second end of the first plate, the seating frame including first and second members disposed on opposite sides. The bracket assembly further includes a second plate rotatable relative to the first plate, the second plate having first and second ends disposed on opposite sides of the beam, and a fastener coupling together the first and second plates.

Abstract: A luminaire for architectural, industrial and warehouse applications can be assembled using an extruded housing having curved sides connected by a cross member. Windows in the curved sides can allow light to exit toward the sides of the luminaire while most of the light exits through a lens on the bottom. The extrusion can have channels and slots such that optical elements and an LED array can be slid into the housing and retained by end caps. A housing cover can overlie a wireway while being held in place by screws creating a clamping force between the housing cover and fixture brackets retained within the housing. The luminaire can be suspended by the fixture brackets or by elements attached to the fixture brackets.

Abstract: A lighting device is provided for attachment to a component that defines an open area. The lighting device includes a mounting plate and a light emitting diode (LED) assembly. The mounting plate extends longitudinally, and is disposable within the open area. The mounting plate presents a first mounting surface and a second mounting surface. The LED assembly is operatively attached to the first mounting surface, with the LEDs being operatively attached to the first mounting surface, such that the LEDS form at least two columns. Each LED is configured to emit a respective field of light in response to being energized. The LED assembly is configured such that a field of light projected from the LEDs for one of the at least two columns is projected radially away from the field of light projected from the LEDs for the other of the at least two columns.

Abstract: A light fixture and wireway assembly is provided in a low-profile configuration wherein at least a portion of a plurality of wireways are disposed in a stacked configuration with a low-profile, edge-lit LED light engine. In one configuration, at least portions of two to four individual wireways are disposed in a stacked configuration with a low-profile, edge-lit LED light engine powered by an LED power supply also disposed within the outer perimeter of the overall assembly. Each wireway can be accessed through a single wireway wall without requiring conduit outside of the outer perimeter of the assembly.

Abstract: A light member includes a housing having a top side and a bottom side. The top side faces away from a space to be lit, and the bottom side faces the space to be lit. A lighting control region is disposed on the bottom side of the housing that illuminates the space and has a first control channel, a second control channel, and a neutral channel. A first light-emitting module is electrically connected to the first control channel and the neutral channel and a second light-emitting module is electrically connected to the second control channel and the neutral channel. A switch assembly is coupled to the housing and is operable to selectively deliver power to the first control channel and the second control channel.

Abstract: An apparatus for optical inspection of objects, in particular cans. The apparatus includes an inspection station, a lighting system, and a camera directed towards the inspection system to capture an image of the lateral surface of the object to be inspected. A Fresnel lens is associated with the lighting system to direct a beam of light rays collimated towards the object to be inspected, located in the inspection station. A further Fresnel lens is positioned to face the object to be inspected, located in the inspection station and directed in such a way as to make the collimated light rays converge on the object.

Abstract: A ceiling system in one embodiment includes first grid support members arranged in parallel spaced apart relationship. A pair of elongated lighting support members is arranged in parallel with the first grid support members. The lighting support members are spaced apart and define an axially elongated lighting opening. A lighting spacer bracket is connected between and supports the lighting support members from an overhead building support structure. In one embodiment, the bracket is configured to define a downwardly open cavity for at least partially receiving a lighting module therein. A lighting module is positioned in the lighting opening and supported by the lighting support members. In one embodiment, the lighting module may be a digital linear lighting module.

Abstract: The inventive subject matter disclosed herein provides a retainer apparatus for a luminaire assembly. The retainer apparatus includes a spring clamp unit including a clamp element and one or more first springs. The one or more first springs are coupled with the clamp element and the luminaire assembly. The retainer apparatus also includes a lock spring unit comprising a second spring coupled with the luminaire assembly and the clamp element. The second spring of the lock spring unit secures the clamp element in a released position. Responsive to actuation of the second spring, the one or more first springs move the clamp element from the released position to a locked position to secure the luminaire assembly into a recess.

Abstract: A structural beam and light fixture for a walkable ceiling of a clean room is composed of an elongated channel and a lamp disposed in the elongated channel. The lamp is configured to direct light through the bottom side of the elongated channel. The structural beam and light fixture is attached to adjoining ceiling components and is configured to support a load applied to the adjoining ceiling components. The structural beam and light fixture, combined with other walkable ceiling components, define ceiling top and bottom sides that are flush.

Abstract: A luminaire has a LED module, a block structure with a cavity, a plurality of fins extending from the block structure, and a slot extending through a sidewall of the block into the cavity. The LED module is slidably received on a mounting surface of the slot and configured to project light through an aperture of the cavity. The mounting surface has an area equal to or larger than that of the aperture.

Abstract: A lighting fixture for a suspended ceiling including a grid of rails and hub forming an opening in the suspended ceiling has a housing with a mounting clip operable to toollessly mount to a vertical portion of a rail from above with a cam to resiliently expand the mounting clip laterally during mounting of the housing onto the rail, a light unit support connected to the housing and operable to toollessly mount to the hub, from above, and a light unit operable to toollessly mount to the light unit support, through the hub, from below the suspended ceiling.

Abstract: A light member includes a housing having a top side and a bottom side. The top side faces away from a space to be lit, and the bottom side faces the space to be lit. A lighting control region is disposed on the bottom side of the housing that illuminates the space and has a first control channel, a second control channel, and a neutral channel. A first light-emitting module is electrically connected to the first control channel and the neutral channel and a second light-emitting module is electrically connected to the second control channel and the neutral channel. A switch assembly is coupled to the housing and is operable to selectively deliver power to the first control channel and the second control channel.

Abstract: A light member includes a housing having a top side and a bottom side. The top side faces away from a space to be lit, and the bottom side faces the space to be lit. A lighting control region is disposed on the bottom side of the housing that illuminates the space and has a first control channel, a second control channel, and a neutral channel. A first light-emitting module is electrically connected to the first control channel and the neutral channel and a second light-emitting module is electrically connected to the second control channel and the neutral channel. A switch assembly is coupled to the housing and is operable to selectively deliver power to the first control channel and the second control channel.

Abstract: In various embodiments, a downlight illumination device is upgraded to an illumination device based on one or more light-emitting diodes (LEDs) via a retrofit kit that includes (i) a lighting module comprising one or more LEDs, (ii) a driver module comprising circuitry for receiving power from the power source and supplying compatible power to the one or more LEDs, (iii) a flexible conduit connecting the lighting module to the driver module and containing therewithin a plurality of wires electrically connecting the lighting module to the driver module, and (iv) an alignment bracket for attachment within the housing and configured to receive the lighting module.

Abstract: A vehicle cabin arrangement for a vehicle body and a method for lighting a vehicle cabin and for displaying information using such a vehicle cabin arrangement are disclosed. A lighting device with a light-emitting surface directed towards the cabin interior space is provided on a ceiling section. The lighting device has separate lighting elements each having a dedicated light-emitting element surface, which lighting elements can assume different switch-on states and/or light emission states which differ in at least one property of the emitted light. A control device for controlling the lighting device is provided. The lighting elements are arranged so that, both in the direction parallel to the cabin longitudinal axis and in the direction perpendicular to the cabin longitudinal axis, element surfaces are arranged next to one another. The control device can control each lighting element individually with respect to its switch-on state and/or its light emission state.

Abstract: One embodiment is a lighting device. The lighting device comprises a first case comprising a first extension part and a second extension part; a first light emitter disposed in the first case; a first diffuser disposed in the first case and over the first light emitter; a second case comprising a third extension part and a fourth extension part; a second light emitter disposed in the second case; a second diffuser disposed in the second case and over the second light emitter; and a bracket coupled to the second extension part and the third extension part.

Abstract: A retrofit light fixture for retrofitting an existing strip-style light fixture includes a housing, a light emitting diode, a driver, and a bracket. The housing includes a top portion, a side portion, and an end cap, and the housing defines an interior space. At least one of the top portion and the side portion define an elongated opening. The bracket includes a locking flange configured to selectively engage with a portion of a housing of the existing strip-style light fixture. The bracket is slidably coupled to the housing with a fastener that extends through the elongated opening. The bracket is selectively repositionable between a disengaged orientation and an engaged orientation, and the bracket is configured to interface with a portion of the existing strip-style light fixture and thereby secure the retrofit light fixture in place when selectively repositioned into the disengaged orientation.

Abstract: There is provided a rail for supporting one or more ceiling panels in a suspended ceiling. The rail comprises an elongate member for supporting the one or more ceiling panels. The elongate member has an upper and a lower surface and has formed therein an opening extending between the upper and lower surfaces for accommodating a fixture or device to be mounted to or within the suspended ceiling.

Abstract: A support assembly for supporting ceiling accessories in a designated opening in a t-bar ceiling structure, includes a plurality of support braces, each support brace configured to bridge an accessory locating region alongside a corresponding boundary of the designated opening. Each support brace is configured to provide support for at least one ceiling panel alongside the accessory locating region in the designated opening, so that the accessory, and the ceiling panel complement a finished ceiling presentation provided by the t-bar ceiling structure.

Abstract: A recessed lighting device includes an electrical component housing that has a cavity. The recessed lighting device also includes a plaster ring that includes a plaster plate that has an opening therethrough. The plaster ring also includes a body extending substantially orthogonally from a perimeter of the opening towards the electrical component housing. The recessed lighting device further includes an illuminated panel that includes an electrical component assembly inserted through the opening and into the cavity, where the electrical component assembly is positioned within the electrical component housing.

Abstract: An illuminating device for indoor lighting comprising a visible panel, through which light can be transmitted. The visible panel includes a portion having transparent material, and a panel retaining device. The retaining device has a retaining means for retaining the visible panel and a fixing means for mounting the visible panel on a ceiling or on a wall. The retaining device has at least three interconnected retaining arms which are arranged in the shape of a star and which retain at least two visible panel parts at the inner faces of the visible panel parts, the inner faces of the visible panel parts bordering each other such that said visible panel parts together form a substantially continuous visible panel surface. The visible panel parts have free outer faces which are not retained by the retaining arms and which together from the outer circumference of the visible panel.

Abstract: A ceiling system includes a support structure configured to be installed in a ceiling area of a variety of room types. A ceiling supported by the support structure may cover the majority of the ceiling area and may include light sources to light the room. The ceiling may be defined entirely by panels extending continuously from one end of the ceiling to an opposite end of the ceiling, arranged side-by-side with troughs in between. The panels may themselves be the light sources. Alternatively or additionally light sourced may be disposed within the troughs.

Abstract: A lighting device includes a device body attached to an installation surface, one or more surface light-emitting modules held in the device body, and a cover held in the device body in an opposing relationship with light-emitting surfaces of the surface light-emitting modules. Each of the surface light-emitting modules includes a light-emitting unit having a light-emitting body and a base unit fixed to the device body and configured to removably hold the light-emitting unit by an elastic force. At least portions of the cover facing the light-emitting surfaces of the surface light-emitting modules are made of a light-transmitting material. The cover is held in the device body by a force stronger than the elastic force.

Abstract: A system and method for creating a trompe-l'oeil skylight in a ceiling where a light emitting image of the sky is provided in a structure configured to emulate a skylight frame, including an embodiment of a unified non-rectangular sky image area in a substantially rectangular fixture which mount as a single unit into a substantially rectangular hole in a ceiling.

Abstract: An illumination device includes a light source unit having a light emitting panel, and a mounting unit attached to a non-light-emission surface of the light source unit and provided with a circuit board for controlling energization of the light emitting panel. The mounting unit includes a connection terminal to which an external conductor for electrically interconnecting the circuit board and an external device is connected. The connection terminal is arranged inward of an outer peripheral end of a surface of the mounting unit to which the light source unit is attached. A clearance for passing the external conductor therethrough is formed between the light source unit and the mounting unit in a state that the external conductor is connected to the connection terminal and the mounting unit is attached to the light source unit.

Abstract: A light assembly that includes a mounting frame on which a light engine is mounted so as to direct light through the mounting frame opening and out of an opening in the ceiling. The light assembly is designed to permit the light engine to be rotated and tilted, in some embodiments without the need for tools.

Abstract: Combination light diffusion with either sound diffusion or absorption is provided in a single lighting fixture, to provide uniform luminosity and sound control. The traditional flat light diffuser is replaced with a translucent acoustical element which either diffuses sound or absorbs the sound. The sound diffuser topology includes random surfaces, geometrical shapes, number theoretic diffusers or optimized rectilinear or curvilinear surfaces. The translucent sound absorber includes microperforated or microslit panels, as well as translucent fabrics and microperforated, translucent wood veneers.

Abstract: An improvement in a recessed lighting strip that interlocks between insulated roof panels is presented herein. The recessed lighting strip uses mating interlocks to snap between the insulated panels, providing a method to place lights at each panel juncture across the width of the application, without violating the integrity of the panels themselves. The lighting strip is made from extruded plastic or aluminum that is essentially an open-topped rectangular box, shaped on the sides to interlock with foam insulated room panels that are typically 3?-6? thick and used in the construction of patio covers, patio enclosures, sunrooms and all other residential and commercial applications which use insulated roof panels.

Abstract: The present application is directed to a light fixture and associated retrofit lighting kit that includes a substantially flat light emitting diode panel. The light fixture can be employed in a variety of applications, including installation as a standalone fixture, a replacement for a fluorescent lighting unit and as a retrofit lighting kit to be used in connection with an existing fluorescent lighting unit.

Abstract: There is provided a lighting fixture adapted to be installed on a ceiling having a predetermined plane. A light emitting diode light source is supported by the lighting fixture. At least a portion of the lighting fixture protrudes below the plane of the ceiling supported by the lighting fixture. A heat sink is attached to the back side of the LED light source. The heat sink includes a thermal chimney directing heat away from the LED light source.

Abstract: A system and method for creating a trompe-l'oeil skylight in a ceiling where a light emitting image of the sky is provided in a structure configured to emulate a skylight frame, including an embodiment of a unified non-rectangular sky image area in a substantially rectangular fixture which mount as a single unit into a substantially rectangular hole in a ceiling.

Abstract: One example implementation of the disclosed technology is directed to a light reflector cone mounting apparatus that is configured to attach to a light reflector trim, and comprises an outer perimeter edge configured with two or more perimeter clip mounting features. Perimeter clips can be engaged in each of the two or more perimeter clip mounting features, wherein each perimeter clip is configured to engage between the light reflector trim and a ceiling surface, thereby attaching the light reflector cone mounting apparatus to the light reflector trim.

Abstract: This is directed to a luminaire having a removable inner accessory and optical component. A luminaire can include a base and an outer accessory through which light generated by a light source placed in the base is transmitted. To customize the light emitted by the luminaire, an inner accessory having an optical component can be placed within the outer accessory. The optical component can be tuned to provide a light pattern corresponding to an environment in which the luminaire is placed. Because all of the components used to create the luminaire, other than the optical component, are standard, the luminaire can be easily constructed with a default optical component, but also easily customized at a minimal cost. In addition, the optical component can be recessed relative to the outer accessory to improve optical performance of the luminaire.

Abstract: An LED downlight provides a more evenly distributed light output. The LED downlight includes an LED light source, such as one or more LEDs, LED die packages, or LED chip on board modules, an upper reflector, a lower reflector disposed below the upper reflector, and a lens disposed between the upper reflector and the lower reflector. The lens includes several features that help disperse light emitted by the LED light source. The lens includes a diffusion element, such as a pigment, bulk scattering, prismatic, inlays, or another method for diffusing light through a lens. The lens is curved in a concave manner when viewed from the light source. The curve of the lens can be tangent to the physical cutoff of the lower reflector to more evenly distribute light emitted by the LED light source and to improve the visual effect of an evenly luminous lens.

Abstract: A lighting device, comprising a housing and at least one mounting clip. The housing comprises an electrical connection region engageable in an electrical receptacle. The mounting clip is pivotable from a first position, where an end region of the mounting clip does not extend beyond a periphery of the housing, to a second position, where the end region extends beyond the housing periphery. Also, a lighting device, comprising a housing, a trim element and at least one mounting clip. The mounting clip is pivotable, such that if the mounting clip is in a second position and then the trim element is rotated, the mounting clip will pivot to a third position, where the mounting clip engages the housing such that the trim element is biased toward a ceiling or other structure in which the lighting device is mounted. Also, methods of installing housings and/or trim elements.

Abstract: A lighting fixture forms at least a portion of a grid system for a suspended ceiling. The lighting fixture includes a runner having a substantially uniform, elongate, thin web coupled to a fixture base defining first and second flanges disposed on opposite sides of the web. The flanges support respective ceiling tiles. The base defines a fixture receptacle configured to receive a light source. A retainer may be supported by the fixture base to secure the light source in the fixture receptacle.

Abstract: A V-shaped leaf spring is provided, at one side of the leaf spring, with a plurality of pressing parts curved convexly toward the other side thereof and arc-shaped in cross section along a longitudinal direction of the leaf spring. The leaf spring is appropriately attached to a lighting apparatus main body so that a region of the leaf spring at a bent part thereof is located downward. Thus, upon installation of the lighting apparatus main body into an attachment hole provided in a ceiling, either one of the plurality of pressing parts abuts against the ceiling having different thicknesses from above, and a sufficient downward pressing force can be exerted on the ceiling having different thicknesses, thereby allowing the component to be fixed to the ceiling with a sufficient holding force.

Abstract: A perimeter lighting fixture has housing and a separate trim piece. The trim piece is attached to a wall. A wall compound, such as plaster, is smoothed over a blend area or band on the wall just below the trim piece, and also onto a transition section of the trim piece. The housing and/or a reflector of the perimeter lighting fixture is positioned in contact with the trim piece. The trim piece compensates for waviness or uneven wall surfaces. As the trim piece is straight, the variances in wall straightness are corrected. This allows the lighting fixture to be placed against or closely adjacent to the wall, without creating unsightly dark gaps between them, and without highlighting the imperfections in the wall.

Abstract: A lighting apparatus is shown and described. In one aspect, the lighting apparatus includes a lighting component and a mounting structure. The lighting component can include a light source, a plate, and a frame. The light source can include one or more lighting elements, such as light emitting diodes. The lighting component can be releasably secured to the mounting structure.

Abstract: A solar lighting apparatus uses optical fibers to transmit solar light for illumination. The apparatus includes a support frame, optical fibers, a hybrid solar light diffuser and a reflective sheet. The optical fibers are fastened to the support frame and are spaced apart from each other at regular intervals. The hybrid solar light diffuser is coupled to a lower portion of the support frame and includes a diffusion plate and diffusion lenses which are provided on the diffusion plate at positions corresponding to the respective optical fibers. Each diffusion lens has a width increasing from a top thereof to a bottom. An incident depression is formed in the upper end of each diffusion lens. A reflective surface is formed on the circumferential outer surface of each diffusion lens to diffuse and reflect solar light. The reflective sheet is applied to the lower surface of the support frame.

Abstract: A T-bar lamp including a T-bar lamp housing and at least a light engine module is provided. The T-bar lamp housing has an opening. The light engine module is fixed in the T-BAR lamp housing, and the light engine module at least includes a chip on board (COB) type LED light source.

Abstract: A low-profile luminaire has a planar light source comprised of one or more planar organic light emitting diodes (OLEDs). The OLED light source is supported by a low-profile OLED support structure that lies in a plane. The support structure has a maximum height (H) of about two inches and preferably a height of about one inch or less. It also has perimeter dimensions that allow the luminaire to fit within and to be supported by the T-bar grid of a grid ceiling system. Electrical components for driving and controlling the OLED light source can be provided within the support structure or externally of this structure.

Abstract: A two-component light fixture that includes a passive component and an active component is disclosed. In some embodiments, the active component is recessed within a ceiling or wall and the passive component is positioned below the active component. The active component emits light towards the passive component, which includes an optical element that can redirect the light by scattering, reflection, refraction, diffusion, total internal reflection and/or dispersion.

Abstract: A canister for use with a luminaire, the canister having an interior heat sink incorporated into and within a top cover of the canister and a source of illumination retained within the canister. The heat sink includes a multiplicity of air fins separated by air gaps, the air fins extending radially from an interior wall of the cover. The heat sink also includes a multiplicity of air fins separated by air gaps, the air fins extending radially from an interior wall of the canister. The top cover has an opening and a removable sealing cap having a recessed surface extends into an interior of the top cover when affixed to the top cover to enclose the opening.

Abstract: A lighting apparatus is shown and described. In one aspect, the lighting apparatus includes a lighting component and a mounting structure. The lighting component can include a light source, a plate, and a frame. The light source can include one or more lighting elements, such as light emitting diodes. The lighting component can be releasably secured to the mounting structure.