Abstract: A fluorescent tube retrofit luminaire includes a lamp, a light guide, and a heat dissipating frame. The lamp may include a bi-pin base, middle structure, and outer structure, which may include a light-emitting diode (LED)-based light source in thermal communication with a finned heat sink section of the middle structure. Light emitted from the light source may be distributed generally along the length and/or width of the light guide. A bi-pin connector in the light guide may attach the luminaire to a first fluorescent socket. The bi-pin base may be received by a mounting aperture in the light guide before anchoring the luminaire to a second fluorescent socket using a pin-lock. The heat dissipating frame may be in thermal communication with both the light guide and the heat sink section of the lamp.

Abstract: A transit vehicle lighting system has a plurality of LED-based lighting fixtures for providing interior illumination. A control network comprises a plurality of slave nodes for controlling the LED-based lighting fixtures, and a master node for controlling the slave nodes. The master node may be connected to the slave nodes by a combined power/communication bus in a daisy chain fashion. The slave node may include a power regulator and a controller for providing a target current command to the power regulator, and may adjust the target current based upon temperature measurements or a recorded age of the LEDs. An optical sensor may provide automatic dimming. A reduced number of LEDs may be used in an emergency mode. The lighting fixture may include a ceiling panel fixture and a riser panel attachable by way of a hinge mechanism.

Abstract: The invention provides conspicuity devices and methods. A first embodiment includes a tool band and an elongate lighting device adapted and configured to admit light having an advantageous spectral energy distribution. The device can have many additional and/or alternative passive and/or active conspicuity features, such as lasers, lamps, photoluminescent and retroreflective materials, among others.

Abstract: Disclosed herein are embodiments of LED-based lights for use in fluorescent fixtures that emanate light in a plurality of directions. One embodiment disclosed herein of an LED light for use in a fluorescent light fixture comprises a housing and a circuit board having a first surface configured to face an illumination area, the circuit board mounted in the housing and defining a plane conceptually dividing the housing into a first portion and a second portion. At least one LED is mounted on the first surface of the circuit board and is configured to emanate light in a first direction. Light distribution means is configured to distribute a portion of the light emanated in the first direction to at least a second direction different than the first direction.

Abstract: A linear lamp is provided having one or more light emitting elements provided therein. The light emitting elements are directed to emit light in a direction different from the primary direction of the illumination of the lamp. The light emitting elements may be supported by a supporting optical element. The supporting optical element may permit the transmission of light therethrough. The supporting optical element may be an integral window upon which the light emitting elements are disposed.

Abstract: The present disclosure relates generally to a light emitting diode (LED) luminaire. In one embodiment, the LED luminaire includes a linearly extended enclosure having an interior volume, one or more sides and a light exiting portion along a length of the linearly extended enclosure, wherein the one or more sides each comprise an inside surface and an outside surface, wherein at least a portion of the linearly extended enclosure comprises an extruded optically clear plastic, one or more first LEDs mounted on the inside surface of the one or more sides of the linearly extended enclosure and a reflector coupled to the interior volume of the linearly extended enclosure, wherein the reflector redirects light from the one or more first LEDs.

Abstract: A LED assembly and method for retrofitting a fluorescent lighting fixture into an LED lighting fixture. The resulting retrofit LED lighting fixture includes the preexisting fluorescent lighting housing, a lens door, a sheet metal LED insert, and a modular LED printed wiring assembly.

Abstract: The present invention includes: a casing having a bottom wall part and a pair of side wall parts extending upward from this bottom wall part; a rod-shaped lens provided above an LED substrate and along a longitudinal direction inside the casing; and a fixing mechanism for fixing the lens to the pair of side wall parts. The fixing mechanism includes: upwardly facing surfaces longitudinally extending along an inner surface of the side wall parts; downwardly facing surfaces longitudinally extending along side peripheral surfaces of the lens; a concave groove longitudinally extending above the upwardly facing surface on the inner surface of each of the side wall parts; and elastic bodies fitting into the concave grooves to be in contact with the side peripheral surfaces of the lens in a state that the downwardly facing surfaces are in contact with the upwardly facing surfaces.

Abstract: The present invention provides a LED lamp with high brightness, a uniform light-emitting surface and good heat dissipation. The LED lamp includes a LED strip and a cylindrical light guide body connected to the LED strip, wherein light emitted from the LED strip irradiates towards the light guide body and exits via the surface of the light guide body.

Abstract: A light emitting diode (LED) light tube includes a substrate, a plurality of light emitting diodes (LEDs), a light diffusing plate, an organic yellow fluorescent powder and a hollow tube. The substrate, the LEDs and the light diffusing plate are disposed in the hollow tube. The organic yellow fluorescent powder is doped in the light diffusing plate. The LEDs are lined up on a surface of the substrate. The light diffusing plate are disposed facing to the LEDs, in which the light diffusing plate includes a plurality of microstructures located on positions opposite to the LEDs, so as to diffuse the light emitted from the LEDs.

Abstract: Disclosed are various embodiments for scanning a surface using a fan light element comprising a light source and a single lens. The fan light source generates divergent light and projects the divergent light onto a single element lens. The single element lens collimates the light and generates a fan line that may be used to scan an outer surface. By using triangulation of the reflections captured when projected onto a surface, the scanned surface may be reconstructed.

Abstract: The disclosure is to provide a light emitting module that suppress a dark section from forming in an end portion thereof, a tube type light emitting lamp and a luminaire. The light emitting module includes a long substrate that has a connection member provided in an end portion thereof in a longitudinal direction; a first light emitting element that is provided on the substrate to line up in a row with the connection member in a short direction; and a second light emitting element that has a light emitting surface area larger than the first light emitting element, and is provided closer to a center side of the substrate in the longitudinal direction than the first light emitting element.

Abstract: The invention relates to a tube-in-tube LED tube, which comprises a tubular plastic lampshade, two caps connected to power supply is separately defined at the two ends of the tubular plastic lampshade, a LED lamp board is defined inside the tubular plastic lampshade sheathed with a glass tube and two ends of the glass tube is separately connected to the two caps. In case of the glass tube broken, the tubular plastic lampshade can still protect the LED lamp board from being damaged. By the way, the tube-in-tube LED tube has properties of high safety, uniform illumination, larger illumination range, simple structure, and easy to manufacture and maintenance. Also the LED lamp board is embedded into the slots in the inner wall of the tubular plastic lampshade, resulting in convenient and quickly installation, and material saving.

Abstract: A portable light includes an elongated housing having a first end and a second end, and an opening formed in a side of the elongated housing between the first and second ends. The portable light also includes a light source positioned within the opening of the elongated housing, and an actuator positioned within the opening of the elongated housing and electrically coupled to the light source. The actuator is operable to control operation of the light source. The portable light further includes a faceplate removably coupled to the elongated housing over the opening. The faceplate includes a lens that covers the light source and a movable member that covers the actuator.

Abstract: The invention provides an electrical connector and a backlight module using that electrical connector. The electrical connector includes a body and two conducting lines. The body is provided with first and second connecting portions, the former of which has a first connecting surface and the latter has a second connecting surface. An invariable relative angle is defined between the first and second connecting surfaces. The conducting lines are coated on the first and second connecting surfaces without crossing each other. The backlight module includes a light guide plate, two LED light bars mounted to two respective light receiving edges of the light guide plate, and an aforesaid electrical connector connecting the LED light bars. The electrical connector is electrically connected with the LED light bars and fixes their relative positions. Besides, it is easy to install the electrical connector to connect the LED light bars firmly.

Abstract: A planar sample, particularly of the type used in biological laboratories for detection and sometimes analysis of two-dimensional arrays of proteins, nucleic acids, or other biological species, is illuminated by epi-illumination using optically filtered line lights that are arranged along opposing parallel sides of a rectangle in which the sample array resides, with two coaxial line lights on each side of the rectangle, and the two on any given side being separated by a gap whose optimal width depends on the wavelength band transmitted by the optical filter. Surprisingly, the gap eliminates the peak in intensity at the center of the sample area and the decrease that occurs from the center outward that would otherwise occur with a single continuous filtered line light, producing instead a substantially uniform intensity along the direction parallel to the line lights.

Abstract: A rear illuminated panel includes a base member having first and second opposing sides and a pair of guide grooves formed on the first side of the base member. The panel further includes a translucent thermoplastic sheet of material having rubber channel strips on opposing longitudinal sides of the sheet of material. The sheet of material is disposed within the guide grooves of the base member such that channel strips prevent vibration of the sheet of material within the guide grooves. The panel still further includes an LED strip having a plurality of LEDs and disposed within a cavity formed by the base member and the sheet of material, wherein light from the LEDs illuminates the sheet of material. The second opposing side of the base panel is adapted to be fastened to a structure. Exemplary suitable structures include a locking rail and an index light.

Abstract: An LED light fixture assembly includes an elongated first support member, an elongated second support member spaced from and substantially parallel to the first support member, and a plurality of elongated LED lighting fixtures coupled to and extending between the first support member and the second support member. Each LED lighting fixture includes an elongated structural frame member having a substantially channel shaped support portion, and a mounting portion opposite the support portion. Each LED lighting fixture also includes a plurality of LED light modules secured to and positioned along the mounting portion, and a cover extending along and supported by the mounting portion. The cover is positioned so light emitted from the plurality of LED light modules passes through the cover and away from the mounting portion.

Abstract: A light-emitting diode (LED) tube has a tube and at least one LED tube fastener. Each of the at least one LED tube fastener has a body and a magnetic core. The body has at least one insertion leg formed on a bottom thereof and connected to a top wall of the tube. The magnetic core is mounted in a top portion of the body to be magnetically attached to a lamp fixture when the LED tube is mounted on the lamp fixture such that the at least one LED tube fastener holds and supports the LED tube and the LED tube is not bent due to a weight thereof.

Abstract: An LED lamp for use in two-by-two light fixtures having coplanar electrical receptacles. The LED lamp is ideal for use as a replacement of fluorescent lamps in existing fluorescent fixtures and is U shaped with electrical connectors at each end. The U shaped elongate tube is made of an outer shell defining a cavity with a PCB mounted therein. The LED elements are mounted on the PCB. The LED lamp does not have coupling connectors enabling it to emit light along the entire axial length of the tube.

Abstract: A system and method of providing a deformed FAC Lens to a multi-emitter diode bar laser system comprised of a lens holder and FAC lens wherein the FAC Lens is deformed so as to offset or compensate for the inherent smile properties present in a multi-emitter diode bar.

Abstract: A diffused flexible LED linear light assembly (100) includes a flexible LED linear light component (102) having a flexible base (104) with individual LEDs (106) spaced longitudinally along the direction of the component (102). A partially translucent housing (120) houses the flexible LED linear light component (102). A curved section (124) of the translucent housing (120) varies in thickness in its lateral surfaces. The thickness may be varied so as to allow a relatively higher percentage of light transmission in areas of weakest LED output strengths. This light output intensity through the translucent housing, in view of the thickness variation, is substantially even or constant circumferentially and radially through the translucent section (124) of the translucent housing (120).

Abstract: According to one embodiment, a straight tube type lamp includes a light source unit, a straight-tube cover and a cap. The cap includes an insulating cap body disposed at an end part of the straight-tube cover, a pair of terminals projecting from an end face of the cap body and an insulating projection. The projection includes a holding part arranged between the pair of terminals, and a projecting part which projects from a tip of the holding part in a direction of arrangement of the pair of terminals and is arranged at a tip side of the pair of terminals.

Abstract: An LED element includes an LED and a lens located over the LED. The LED has a rectangular light outputting face. The lens has a light outputting face. The light outputting face of the lens includes a first light outputting portion and two second light outputting portions. The first light outputting portion performs a convergent function to light output along a long side of the rectangular light outputting face of the LED. The second light outputting portion performs a divergent function to the light output along a short side of the rectangular light outputting face of the LED. The light emitted from the lens has an energy intensity distribution the same along each of two perpendicular directions of the long side and short side of the rectangular light outputting face.

Abstract: A light-emitting diode (LED) troffer adopts LED light sources mounted along two lengthwise sides of an LED module that uses a reflecting diffuser and a diffused light exit window to sufficiently average white light emissions from a plurality of LEDs or to properly mix light emissions from white LEDs at correlated color temperature (CCT) of 6,200±300 K with emissions from LEDs having saturated colors for uniform and tunable CCT light outputs having a consistent intensity or color hue within viewing angles. The troffer adopting a retrofittable design enables single person to readily hang and secure the LED module single-ended on top of the troffer for installation, retrofit, and inspection. The troffer uses such an integrated LED module with a power density less than 0.0127 W/cm2, and thus no apparent heat sink is needed.

Abstract: A light-emitting device comprising a string-shape circuit board, several light-emitting elements, a first terminal pair and a second terminal pair is provided. The string-shape circuit board has a first side and a second side. The first terminal pair and the second terminal pair are disposed on the first side and the second side respectively, and are electrically connected to the light-emitting elements. The first terminal pair comprises a first base, a second base, a first positive electrode and a first negative electrode. The first positive electrode and the first negative electrode are pivotally connected to the first base and the second base respectively. The second terminal pair comprises a third base, a fourth base, a second positive electrode and a second negative electrode. The second positive electrode and the second negative electrode are pivotally connected to the third base and the fourth base respectively.

Abstract: A straight tube light-emitting lamp includes: a pipe-shaped transparent tube; an organic EL tubular illuminant disposed inside the pipe-shaped transparent tube so as to surround a center axis of the pipe-shaped transparent tube; a battery box disposed at an inner side than the tubular illuminant for housing a battery; and a wiring circuit for supplying an output voltage of the battery housed in the battery box to the tubular illuminant.

Abstract: According to one embodiment, there is provided a luminaire including a light source module, a power supply device, and a luminaire main body. The light source module includes a board, a light source provided on the board, a supporting body supporting the board, and a light transmissive cover covering the board and has a long shape. The power supply device supplies electric power to the light source module. The luminaire main body is provided with the light source module and the power supply device and has a long shape. The luminaire main body includes a pair of reflecting plate sections and a housing section provided between the pair of reflecting plate sections and housing at least a part of the power supply device. The light source module is provided in the luminaire main body with the supporting body and covers the housing section and the power supply device.

Abstract: An illumination apparatus includes a tube type light-transmissive cover, and light emitting module having a substrate provided in one region of an inner circumferential surface of the cover and a plurality of light emitting devices disposed on the substrate. A reflector extends in a longitudinal direction of the cover and includes a first reflective surface, a second reflective surface, and an edge positioned between the first reflective surface and the second reflective surface. One end of the first reflective surface and one end of the second reflective surface are connected to the inner circumferential surface of the cover.

Abstract: An improved lamp tube connector structure for light emitting diode (LED) lamp tube, in which the LED lamp tube comprises a lampshade, two lamp tube connectors installed on the left and right ends of the lampshade, at least an LED lamp strap installed inside the lampshade, and at least a drive circuit board installed inside the lamp tube connector and electrically connected to either side of the LED lamp strap. Herein the lamp tube connector is an end cap, with two electrode terminals extending outward from the end cap. Also, at least two connection lines extend from the drive circuit board, and the drive circuit board is inserted to the interior of the electrode terminal so as to form an electrically conductive contact with the electrode terminal for transferring electric power.

Abstract: A light source module includes a substrate, a plurality of light emitting devices disposed along a line on the substrate, and a lens. The lens extends in a long-axis direction in which the plurality of light emitting devices are aligned to cover the substrate and the plurality of light emitting devices, and has end sides opened at opposing ends of the lens in the long-axis direction. The lens has a first surface to which light from the plurality of light emitting devices is made incident, and a second surface allowing light made incident through the first surface to be radiated outwardly. The lens has a variable thickness, measured as a distance between the first surface and the second surface, in a cross-section of the lens along a plane orthogonal to the long-axis direction.

Abstract: The invention discloses a LED lamp and filament thereof. The LED filament includes a substrate, a light emitting unit secured onto at least one side surface of the substrate, and a package adhesive layer surrounded on the periphery of the light emitting unit; the substrate is configured to be of an elongated bar construction; the light emitting unit comprises a plurality of blue light chips and red light chips regularly distributed on the substrate and sequentially connected to one another in series. For the LED filament of the invention, as the light emitting unit composed of blue and red light chips is disposed on the substrate, the LED filament has high color rendering and large light radiation angle.

Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprises: a first electrode part; a second electrode part; a third electrode part, spaced apart from the first electrode part and the second electrode part; and a light-emitting unit partially covering the first electrode part and the second electrode part and fully covering the second electrode part, the light-emitting unit having a conductive structure contacting the second electrode part.

Abstract: The present invention relates to a lighting device (100) comprising a tubular portion (102), which is elongate and which has a light transmissive light outlet portion (104); solid state light emitting elements (114) generating light, which is outlet through the light outlet portion (104); a reflector (106) mounted within the tubular portion (102); and a light diffusing element (108) which is arranged to diffuse the generated light before being emitted from the lighting device (100). The reflector (106) is non-planar and defines a reflector opening (146). The solid state light emitting elements (114) are mounted at the reflector (106), and the reflector (106) is provided with at least one shielding portion (126,128), shielding the generated light from passing directly from the solid state light emitting elements (114) through the reflector opening (146).

Abstract: An illuminator (1) an elongate inner housing (10) having a substrate (20) on which there is a linear array of light emitting diodes (24), wherein the diodes have sufficient power for illuminating objects at a distance of at least 1.5 m. A drive circuit (30, 31) is mounted in an upper compartment of an outer housing (2) at least partly surrounding the inner housing (10). There is a diffuser (22) over the diodes. There is a pair of side reflectors extending substantially parallel to an axis of the illuminator, being side walls (26) of the inner housing. The inner housing (10) is coupled to the outer housing (2) in a modular manner so that it is interchangeable. There is a series of reflector baffles (23) extending from a plane of the diodes at intervals along the length of the inner housing. The baffles (23) have textured surfaces and have a dimension normal to the substrate sufficient to act as visors to limit glare in the longitudinal direction.

Abstract: A linear LED display case light provides an adjustable swath of light. The swath of light emanates from a linear LED array residing in a generally round or polygonal cross-section housing. The housing has two polarity sensitive ends and is slidably coupled by sliding drums to two electrically conducting vertical rods located at each end of the housing, by adjustable couplings. The drums include locks for holding a vertical position on the rods. Machine screws having a smooth cylindrical belt under screw heads, pass through springed contacts, providing a horizontal axis of rotation for the housing to adjust the swath of light forward and rearward. The springed contacts electrically connect the vertical rods to the linear LED array. The vertical rods are secured to a solid surface and are electrically connectable to a power source.

Abstract: The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture includes an elongated housing having a pair of side walls with at least one fin to dissipate heat. Each side wall has a support member extending upward at angle from the side wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first group of LEDs and a second group of LEDs are mounted to the first support member and the second support member, respectively. First and second interconnection board assemblies are affixed to respective support members beneath the group of LEDs. When the first and second interconnection board assemblies are energized by an internal power source, current travels from each interconnection assembly through fasteners to each group of LEDs for illumination.

Abstract: A light source replacement for a fluorescent troffer light fixture utilizing light emitting diode and lens combination with the existing diffuser to produce lower contrast and evenly distributed illumination.

Abstract: This invention provides a vapor-tight luminaire with a housing that defines a continuous and unbroken sealed tubular lens extending in a longitudinal direction. The housing includes a pair of end cap structures removably and sealably mounted on each of opposing respective housing ends. The housing removably supports a lamp assembly that can include various reflector arrangements. The lamp assembly can include fluorescent tubular lamps and can include electronics, such as a ballast circuit. Illustratively, a supporting rail suspended from each of the opposing housing ends by respective posts slidably supports the lamp assembly. In this manner each of the housing and the lamp assembly are constructed and arranged to allow the lamp assembly to be passed into and out of the housing along the supporting rail when at least one of the end cap structures is removed from the respective one of the housing ends.

Abstract: Lighting strips and signs are produced using a flexible, clear and transparent substrate that is a good dielectric, such as polyethylene terephthalate (PET). Flexible metallic power bus traces are formed on at least one surface of the substrate, extending along opposite edges of the strip, or to define the shape of alphanumeric letters or graphic designs on a sign. Conductive traces electrically coupled to the flexible power bus traces are electrically connected to a plurality of light emitting devices, such as light emitting diodes (LEDs). The flexible, clear and transparent lighting strips or signs can then be mounted or hung on a window or in a display case and provide decorative lighting and illumination without obscuring objects, since light is transmitted through the substrate. The light emitted by the light sources can be white or selected to be of one or more other colors for enhanced visual and decorative effect.

Abstract: An elongated lens profile having reverse total internal reflection (TIR) features that improve light extraction when the lens is used in conjunction with a plurality of light emitters. Solid state light emitters, such as LEDs, are arranged proximate to the elongated lens along a longitudinal axis of the lens body. The emitters, which may be grouped in clusters, emit toward a receiving surface of the lens. The receiving surface includes a plurality of reverse TIR features, also disposed along the longitudinal axis. These features may be defined by a series of recessed areas spaced along the longitudinal axis to correspond with the light emitters which can protrude into the negative space created by the recessed features. The recessed features may have more than one shape. The reverse TIR features improve light output uniformity, reducing hot spots along the lens, and improve output efficiency.

Abstract: A light guide (15) for delivering an illumination, in particular a reference or background illumination, the light guide comprising: a mirror box (21) which defines a mirror cavity (23), which receives a light source (19) therein, and includes an illumination aperture (25) from which an illumination is delivered; a transmissive diffuser (27) which is located at the illumination aperture to render the illumination diffuse; and a shutter member (41) which is movable into the cavity to obstruct the light source and provide for control of the radiance of the delivered illumination, whereby control of the radiance of the delivered illumination is determined by a position of the shutter member in the cavity.

Abstract: A light tube includes a tube body, at least one light emitting diode, and a transparent cover. The light emitting diode is assembled with the tube body. The transparent cover is disposed on the tube body to cover the light emitting diode and has a roof portion and two side arm portions. A first microstructure region and a second microstructure region are formed on a surface of the roof portion corresponding to the light emitting diode. The second microstructure region extends from two ends of the first microstructure region. A third microstructure region is formed on a surface of each side arm portion corresponding to the light emitting diode. A microstructure density of the second microstructure region is less than or equal to a microstructure density of the first microstructure region, and is greater than or equal to a microstructure density of the third microstructure region.

Abstract: A passive cooling lighting fixture that includes a light diffusing lens. The fixture is self-contained and self-cooled in order to maximize the life span of the light source. The passive cooling system utilizes vented end caps that circulate cool air into the lighting fixture while venting hot air out of the lighting fixture. The light diffusing lens produces a light that is soft enough for use indoors.

Abstract: An LED track-lighting system includes an LED for emitting light. A light-transmitting element captures light emitted by the LED light and emits it over at least a portion of the track.

Abstract: Provided is a system for replacing a fluorescent lamp with a light emitting diode (LED) into a conventional fluorescent lighting fixture without modifications. The lighting assembly includes an LED unit having a first end and a second end. The lighting assembly also includes a safety locking device positioned on at least one of the first end and the second end of the LED unit and coupled to a lighting fixture. The safety locking device comprises a safety switch defining an unarmed state and an armed state. To prevent a risk of shock, the safety switch is changed from the unarmed state to the armed state upon manual activation of the safety switch after the LED unit is moved into a locked position. The armed state enables an electrical communication between the two ends of the LED unit to activate the LED unit.

Abstract: The present invention provides a shell for a lighting device. The shell comprises a first lamp body, a second lamp body, a first connecting part, and a second connecting part. The ends of the second lamp body have a first end surface and a second end surface. The first connecting part lying along a first direction is set in the first end surface and threads through the first bottom surface. The second connecting part lying along a direction opposite to the first direction is set in the second end surface and threads through the second bottom surface. When the first lamp body is connected with the second lamp body, the two ends of the first lamp body are disposed extending over edges of the first end surface and the second end surface separately.

Abstract: An elongate tubular lighting assembly having a body with a length between spaced first and second ends. The tubular lighting assembly has a source of illumination and first and second connectors respectively at the first and second body ends. The first connector has cooperating first and second parts having first and second surfaces. The first and second connector parts are configured so that the first and second surfaces are placed in confronting relationship to prevent separation of the first and second connector parts with the body in an operative state as an incident of the first connector part moving relative to the second connector part from a position fully separated from the second connector part in a substantially straight path that is transverse to the length of the body into an engaged position.

Abstract: A linear solid state lighting fixture with asymmetric distribution. The fixture comprises an elongated back reflector along the longitudinal direction of the fixture. At least one light source is arranged to emit toward the back reflector. The source(s) are mounted to a heat sink structure such that at least a portion of light emitted from the source(s) first impinges on the back reflector which redirects at least a portion of the light toward an exit lens. The exit lens interacts with the light as it is emitted from the fixture. Both the shape of the individual fixture elements (e.g., the back reflector and the exit lens) and the arrangement of these elements provide an asymmetrical light output distribution. Various mount mechanisms may be used to attach the fixture to a surface such as a ceiling or a wall, or the fixture may be suspended from a in a pendant configuration.

Abstract: A modular, linear-type lighting fixture may include an elongate housing having lengthwise ends, and a pair of endplates adapted for sealing attachment to either lengthwise end of the housing, each of the endplates having respective perimeter surfaces adapted for attachment to any one of a bridge adapted for angularly-directable extension of the housing, a bridge adapted for linear extension of the housing, and an endcap. A modular lighting fixture may include first and second elongate housings each having ends, pairs of endplates for being respectively mated with the first and second ends of the first and second elongate housings, the endplates each having a rim, and a bridge adapted for joining one of the endplates of the first elongate housing with one of the endplates of the second elongate housing by sealing cooperation with the respective rims thereof. A lighting fixture may have one or more isolated raceways therein.