Abstract: A light fixture having a front and opposing lateral sides, the light fixture includes at least one light source configured to emit a plurality of light rays towards the front and opposing lateral sides, each light ray is emitted at a first angle relative to an optical axis of the at least one light source, and at least one panel extending adjacent to the at least one light source and configured to refract the light rays emitted towards the opposing lateral sides such that light rays exit the at least one panel at a second angle relative to the optical axis that is less than the first angle.

Abstract: A photovoltaic renewable energy system utilizes a light source and one or more reflectors to produce power via photovoltaic cells. An exemplary photovoltaic renewable energy system utilizes a light source, such as Light Emitting Diodes (LED), to provide light to photovoltaic cells that therein produce electrical power. The photovoltaic cells may be arranged in a photovoltaic array to ensure maximum power conversion from the incident light. A reflector, such as a prism may be used to direct light from the light source onto the photovoltaic cells. A cell reflector, which may also be a prism, may be configured proximal to the photovoltaic cell surfaces to reflect light onto the photovoltaic surface to increase power conversion.

Abstract: A surface-mounted linear lighting system includes a metal extrusion having an elongated element having a substantially U-shaped cross-section comprising a first vertical sidewall, a second vertical sidewall and a horizontal floor joining the first and second sidewalls, a first groove on an exterior of the first vertical sidewall, a second groove on an exterior of the horizontal floor, a third groove on the exterior of the horizontal floor, and a fourth groove on an exterior of the second vertical sidewall; and a plurality of articulating fasteners configured for coupling to a pair of grooves in the metal extrusion selected from the group: the first groove, the second groove, the third groove and the fourth groove, fastening to a surface, and providing a hinged connection between the metal extrusion and the surface.

Abstract: Described herein is an LED module (500) comprising a PCBA (200) having an array of LED elements, a secondary lens array (300) and a lens holder (510). The secondary lens array (300) has a peripheral lip (360) and a plurality of boss portions (330a) which are compressed between the lens holder (510) and the PCBA (200) to form water-tight gaskets. The secondary lens array (300) also forms gaskets around wires connecting with terminal blocks on the PCBA (200) and effectively seals with a base plate (100) on which the PCBA (200) is mounted.

Abstract: An overhead light fixture includes a driver assembly and a light-emitting assembly. The driver assembly includes a driver and a housing. The light-emitting assembly is operably connected to the driver and configured for downward emission of light from a light source of the light-emitting assembly. The light-emitting assembly is detachably secured to the driver assembly. The light fixture is configured to be mounted to a canopy sheet of an overhead canopy, with the driver assembly disposed above the canopy sheet and the light-emitting assembly disposed below the canopy sheet. The driver assembly is optionally configured so that, when the light-emitting assembly is detached from the driver assembly, the driver is removable downwardly through the base portion. A bezel is optionally disposed around a lens of the light-emitting assembly, for aesthetic reasons and/or for controlling a degree of lateral emission of light from the light fixture.

Abstract: The present invention relates to an electric track system which can accommodate various appliance module using magnetic positioning. It supplements the missing functions of the current electric tracks, i.e., permitting the mixed use of the track-based fans and lights. This newly designed track can also be mounted to the wall for safe use of various electric appliances. The electric track system with magnetic positioning provides great flexibility, personal comfort and energy efficiency in both air circulation and room illumination for commercial and residential environments. With this system, various electric appliances can be mounted onto the track in a safe and quick way. A magnetic telescopic control rod is used to adjust the positions of the electric appliances in the ceiling-mounted track, like fans and lights. It brings safety and convenience to everyday life at affordable cost.

Abstract: An LED lighting fixture, a lens module and a lamp fastener are provided herein. The lamp fastener includes a first clamping lug and a clamp slot configured for fixing a base plate and a lens body of the LED lighting fixture and a second clamping lug configured for clamping an LED light source of the LED lighting fixture onto the lens body. The lens body is connected with the base plate through a first clamping lug and a clamp slot, and the LED light source is clamped on the lens body through a second clamping lug, which, as compared with screwing, consumes less time, and can improve mounting efficiency of the LED lighting fixture, to save time and labor.

Abstract: A movable barrier opener system is provided. The movable barrier opener system may include one or more edge lit panel modules. The one or more edge lit panel modules may include edge light sources that can be selectably illuminated by a controller of a movable barrier operator to communicate a system status to a user of the movable barrier opener system.

Abstract: A modular luminaire includes a pair of side rail assemblies that support a light transmission assembly therebetween. Each side rail assembly includes a light assembly cavity and an alignment slot that houses an alignment rod therein. A coupling bracket that includes a latch device is coupled to the pair of side rail assemblies. A light source is disposed in the light assembly cavity of at least one of the pair of side rail assemblies such that an edge of a lightguide panel of the light transmission assembly is disposed adjacent the light source. The lightguide panel receives light from the light source through the edge and emits the light through a surface that is substantially perpendicular to the edge. The alignment rod of at least one of the pair of side rail assemblies and the latch device operate in concert to row mount the luminaire with another luminaire.

Abstract: A lens strip, LED wall washer with lens strip and illumination system. In a section perpendicular to an extending direction of the lens strip, the lens strip comprises an optical axis, a light-emitting surface intersecting the optical axis, and a light source setting hole disposed on the optical axis, and first and second total reflection surfaces respectively disposed on opposite sides of the light source setting hole and located between the light source setting hole and the light-emitting surface, the illumination system can obtain a uniform and wider illumination of the entire illuminated surface 200, thereby it can form a perfect lighting effect, which can increase the user experience.

Abstract: Described herein is an LED module (500) comprising a PCBA (200) having an array of LED elements, a secondary lens array (300) and a lens holder (510). The secondary lens array (300) has a peripheral lip (360) and a plurality of boss portions (330a) which are compressed between the lens holder (510) and the PCBA (200) to form water-tight gaskets. The secondary lens array (300) also forms gaskets around wires connecting with terminal blocks on the PCBA (200) and effectively seals with a base plate (100) on which the PCBA (200) is mounted.

Abstract: An assembly (1) is disclosed, comprising at least one electrical device (5) and at least one carrier substrate (2) arranged to support the at least one electrical device (5). The at least one carrier substrate (2) is arranged with at least one tubular structure (6), which is at least in part hollow and arranged so as to permit passage of fluid through the at least one carrier substrate (2), for example between a first side (3) of the carrier substrate (2) and a second side (4) of the carrier substrate (2), and wherein the at least one tubular structure (6) is arranged such that it has an extension so that it protrudes a predefined distance from at least one of the first side (3) and the second side (4). A lighting device comprising the assembly (1) and a method (30) for manufacturing the assembly (1) are also disclosed.

Abstract: A lighting device includes a body defining a central axis, a reflector defining an optical axis at an angle with respect to the central axis, and a planar light source defining a surface inclined with respect to a first plane orthogonal to the optical axis. The optical axis being inclined towards one side of the central axis such that the light emission direction of the planar light source is inclined towards an opposite side with respect to the central axis.

Abstract: A rear facing light bar assembly that incorporates a plurality of light functions in a small integrated unit. A multifunctional circuit board powers different colored light emitting diodes to produce the tail light, brake light, amber and/or backup light. The assembly also has end caps, a one-piece polycarbonate tube lens and an extruded housing. Heat from the circuit board is dissipated through the end caps and into the extruded housing. The assembly is constructed such that the electronics are completely protected from the outside environment, and sealed from water and dust intrusion. The light also minimizes tooling and assembly cost, yet provides a secure seal protecting the electrical components. In addition, the light is serviceable so individual parts can be replaced or repaired if parts are damaged.

Abstract: A LED ceiling lamp is provided. The LED ceiling lamp comprises: an elongated light cover; an elongated housing including a fastening slot and two side portions connected with the elongated light cover; a light source plate secured between the elongated light cover and the elongated housing; a power source seat electronically connected to the light source plate and being secured on the fastening slot; and two end covers connected with two ends of the elongated light cover and two ends of the elongated housing, respectively. The length of the LED ceiling lamp is various according to the requirement. The heat dissipation effect is well. The power can be designed according to requirements. The service life is long. The LED ceiling lamp is easily assembled and repaired. The light emitting rate is high. The light emitting efficiency of the power source is high.

Abstract: A compact optical assembly includes a linear array of LEDs and a plurality of reflectors. The reflectors include two concentric reflecting surfaces that surround the LED light sources. The inner reflecting surface reflects the majority of the light emitted from the LED light source and the outer reflecting surface reflects light emitted through longitudinal channels in the inner reflecting surface. The concentric reflecting surfaces cooperate to create a wide-angle beam of light with a desired dispersion pattern.

Abstract: The invention provides an LED lighting device comprising first and second LED arrangements. Each LED arrangement is positioned on a respective substrate portion so as to form a respective LED module, where each LED arrangement is positioned on its substrate portion so as to be substantially within a single side of a substrate portions surface. The LED modules are arranged such that the first and second LED arrangements are positioned to run alongside one another, such that the positive pole (e.g. the anode) of each LED arrangement is positioned at a same first end and the negative pole (e.g. the cathode) of each LED arrangement is positioned a same second end.

Abstract: A LED light system includes an elongated body extending from a first end to a second end; an elongated strip of a plurality of LED lights secured to the raised connector section; a light defusing cover slidingly engaged with the first slot of the first side and with the second slot of the second side, the light defusing cover having a plurality of elongated textured lines for defusing light from the plurality of LED lights, the light defusing cover being configured to cover the cavity of the elongated body; a first removable end cap removably secured to a first end and removably secured to the first side and the second side; and a second removable end cap removably secured to a second end and removably secured to the first side and the second side.

Abstract: A lighting system comprising a track having a first and a second rail (5, 7), mutually extending equidistantly. Said first and second rail comprise a first respectively a second electrically conductive strip (13, 15), mutually electrically isolated. A lighting module comprising a first and second electrical contact, which lighting module in mounted position rests by gravitational force on the first and second rail. When mounted the first and second electrical contact are in electrical contact with a respective one of the first and second electrically conductive strip. The lighting module is dismountable from the track by a single displacement of the lighting module in a direction against the direction of the gravitational force.

Abstract: The present disclosure relates to a lens. The lens includes a bottom surface, a top surface, and a side surface. The top surface is opposite to the bottom surface. The center of the bottom surface is recessed towards the top surface to form a light incident groove. The top surface is recessed towards the bottom surface to form a light-emitting groove. The side surface is connected between the bottom surface and the top surface. The side surface defines a microstructure, and the side surface is fully covered by the microstructure.

Abstract: A display device, according to an embodiment of the present disclosure, includes a substrate, a light emitting unit comprising a light emitting element mounted on the substrate and a lens placed on the upper side of the light-emitting element, a reflective layer arranged on the upper surface of the substrate, an optical sheet arranged on the upper side of the reflective layer and disposed at a height spaced apart from the light emitting unit; and a display panel placed on the upper surface of the optical sheet, wherein a center portion of the upper surface of the lens is recessed at a predetermined depth and formed in the shape of a continuous straight line, and the upper surface thereof has an aspheric shape that is curved at a predetermined curvature from the center portion toward the edges, so as to have an anisotropic distribution of light.

Abstract: A luminaire can comprise an optic that extends lengthwise within a linear cavity of a frame of the luminaire. The optic can comprise a diffuser, such as a sheet of diffusing acrylic material, for example. The optic can have edges located at opposing ends of the linear cavity. The luminaire can comprise a cover for each of the two ends of the linear cavity. The covers can cover the edges of the optic, so that at each cavity end, there is an overlap between the optic and the cover. The overlap can provide a gap that compensates for thermal expansion and contraction of the optic relative to the frame, which may have a metal composition. One or more magnets can removably attach the cover to the frame of the luminaire.

Abstract: A system and method replaces a lense for a fluorescent lamp with a cap that has LEDs installed in the cap, along with suitable driving circuitry as a replacement light source for the fluorescent lamp and its associated circuitry.

Abstract: A linear wide area lighting system includes an elongated substrate having a linear light emitter array disposed on the substrate. The array includes a plurality of light emitters such as light emitting diodes or lamps. An elongated refractive lens is positioned over the substrate and linear light emitter array such that light emitted from the emitters is incident on the refractive lens and is refracted through the lens into a wide illumination area. The lens is extruded in some embodiments providing the lens with a substantially uniform extruded cross-sectional profile in some embodiments. The substrate is housed either between a base and the lens in some embodiments, or in an integrally formed bore in the lens body in other embodiments. One or more end caps are located on the longitudinal ends of the lens and base to fully enclose and seal the substrate and linear light emitter array.

Abstract: An embodiment of the present invention provides a retrofit LED lamp that is operated by a dual mode circuit, enabling maximum compatibility with the ANSI reference ballasts to satisfy UL requirements to replace HID and fluorescent lamps. The LED lamp operates at two different modes, offered by the dual mode PCB circuit. In one of the mode, namely ANSI ballast testing, a low frequency current from the ballast is throttled through a bypass circuit to LEDs, since a field effect transistor of the circuit is in open circuit mode due to insufficient current. During the second mode, namely field ballast operation, a high frequency current is provided by the ballast, which short circuits the FET, causing it to conduct and thus operating the LEDs. Advantageously, the LED lamp offers maximum compatibility with ballasts using such dual mode circuit and consumes less power.

Abstract: A light bar structure is disclosed in the present invention. The light bar structure includes a housing whereinside an accommodating space is formed, and the accommodating space is for accommodating a light unit. The housing includes an engaging portion for engaging with the light unit to constrain a movement of the light unit at a first direction, and a contacting portion for contacting against the light unit to constrain a movement of the light unit at a second direction different from the first direction. The light bar structure further includes an isolating component disposed on a bottom inside the housing, and two conductive components disposed on the isolating component for electrically connecting two electrodes of the light unit.

Abstract: A light-emitting wand is configured for selective cooperative coupling with a handset. The wand extends between longitudinally opposed wand-body proximal and distal ends, the distal end being configured to retain a light-emitting element. Extending in mutual parallel alignment between the proximal and distal ends are electrically-conductive first and second core members. Each core member has, at the distal end, a light-source contact configured for electrical contact with a respective pole of the light-emitting element and, at the proximal end, a power-source contact configured for electrical contact with a respective terminal of an electrical-power source. The core members are maintained in mutual electrical isolation and overmolded with an electrically-insulative material through which the power-source contacts are exposed in order to enable selective electrical connection with electrical-power source terminals.

Abstract: A day/night switchable light adjusting device and light adjusting method thereof are provided. The day/night switchable light adjusting device is composed of a plurality of panels; each panel includes a reflecting surface and at least one lighting unit. Each lighting unit can emit various wavelength region lights, and the various wavelength lights are mixed on a light collecting component. A control unit is provided for adjusting the various wavelength region lights corresponding to day/night variation. A light intensity of a cyan region light or a blue region light is reduced for preventing an over-inhibition on a quantity of Melatonin.

Abstract: A method for manufacturing a light-emitting device comprises retaining a conductor wire so that a straight-line distance between adjacent mounting portions while the conductor is retained is less than a distance along the conductor wire between the adjacent mounting portions; mounting a plurality of light emitting diodes to respective ones of the mounting portions on the retained conductor wire; and after the mounting step, sealing the plurality of light-emitting diodes mounted on the conductor wire.

Abstract: A light module includes circuit board with a top and bottom side. Multiple light emitting diodes (LEDs) are positioned along the top side of the circuit board. A bottom side of a gas permeable layer of material having top and bottom sides is adhered to at least a portion of the top side of the circuit board. A pair of elongated double-sided adhesive strips are coupled to the top side of the gas-permeable material near opposing ends of the circuit board. An optical lenses is positioned over each of the LEDs. A cover panel is then positioned over the circuit board, the first layer of material, the adhesive strips and at least a portion of each optic and adhered to top side of each of the elongated adhesive strips. Each lens includes an optical cavity and a recessed area adjacent the optical cavity for receiving a reflector therein.

Abstract: A device for creating and enhancing a mood is disclosed. The device includes a cylindrical gobo with a light source and a motor to rotate the gobo. The device may also include color-changing LEDs. Through variations in color, light source intensity and gobo design, a user may create or enhance a desired mood in a room.

Abstract: A reconfigurable modular lighting assembly, including at least two tube sections, each tube section having an end cap thereon and including at least one light emitting diode light source. An interconnection unit including multiple tube section receiving locations that each physically, releasably connect one end of a first of the at least two tube sections to one end of a second of the at least two tube sections such that the tube sections are adjacent and form a positive angle between them; and provide for interchangeably electrically connecting the light sources in the tube sections to a source of electrical power. Control data paths are operatively connected to each of the light emitting diode light sources via the interconnection unit to allow for control of the light emitting diode light sources when the at least two tube sections are respectively connected to the interconnection unit at the tube section receiving locations.

Abstract: A light fixture includes a light guide member, a light bar, and two conductive pins. A cavity is formed on a bottom portion of the light guide member, and two engaging groove are respectively at two sides of the bottom portion. The light bar is arranged under the bottom portion of the light guide member, and a plurality of light emitting units are disposed on a surface of the light bar. Two sides of the light bar are respectively fixed in the two engaging grooves, such that the emitting units are located in the cavity. The two conductive pins protrude from each end of the light guide member, and are electrically connected to the light emitting units.

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 lighting system includes a carrier unit, and a lamp holder including a holder plate for mounting of a light emitting unit, and a first positioning plate and a second positioning plate extending from the holder plate and spaced apart from each other. The holder plate is disposable at a first or second position when the first or second positioning plate is connected to the carrier unit. A light emitting characteristic of the light emitting unit when the holder plate is in the first position is different from a light emitting characteristic of the light emitting unit when the holder plate is in the second position.

Abstract: A LED (Light Emitting Diode) lamp capable of effectively dissipating heat to the outside and distinguishing borders of bright portions and dark portions in a tube cap is provided. The LED lamp includes: a tube; a support member, including a heat dissipation component extending in an axial direction of the tube, and accommodated in the tube; a plurality of LED chips, accommodated in the tube and supported by the support member; and an adhesive layer, disposed between the heat dissipation component and the tube, and used for adhering the heat dissipation component and the tube. The LED lamp further includes a tube cap formed by a first semi-cylinder portion and a second semi-cylinder portion. A light passing space allowing light emitted from each LED chip to pass through is formed in the tube. The first semi-cylinder portion and the second semi-cylinder portion together surround the tube.

Abstract: Disclosed are an illumination unit and a display apparatus using the same. The illumination unit includes first and second reflectors, and at least one light source module placed between the first and second reflectors. The second reflector includes a bottom plate, first lateral plates arranged to face each other in a first direction of the bottom plate, second lateral plates arranged to face each other in a second direction orthogonal to the first direction, a groove formed in at least one of the second lateral plate and the bottom plate, and at least one hole formed in the groove.

Abstract: An LED lighting device may include an LED support, which is populated with at least one LED on a front side thereof and a rear side of which is fastened to a rest. The front side of the LED support may be overarched by an electrically insulating, light-permeable and diffusely scattering LED cover, and the LED cover may be overarched by a protection cover resting on the support.

Abstract: An illuminating apparatus (100) has: a light source unit (140), which includes a light emitting element (110), and a luminous flux control member (120); a columnar light guide rod (160), which is composed of a transparent material; and a cover (170), which is disposed to cover the light source unit (140) and the light guide rod (160), said cover being disposed with respect to the light source unit (140) and the light guide rod (160) with an air layer therebetween. The light source unit (140) is disposed such that an output surface (126) of the luminous flux control member (120) faces an end surface (162) of the light guide rod (160).

Abstract: The invention relates to an arrangement for generating light effects, particularly for decorative purposes, having a light source (10) and a textile web material (12) that can be illuminated by through light from the light source (10) toward a visible side (16) or by incident light. According to the invention, the textile web material (12) comprises a two-layer weave structure made of warp threads (18) forming a warp thread layer (26) and weft threads (20) forming a weft thread layer (24) contacting the warp thread layer (26) on one side.

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: An LED light source includes a plurality of longitudinal extrusions arranged in an array, the extrusions having an upper and lower end, an interior longitudinal slot, and outside longitudinal grooves. A printed circuit board is fitted and supported within the extrusion slots and has wiring. A plurality of LEDs is connected in series to the wiring, spacedly mounted along the board. High frequency electronic driver means is connected in series to the LEDs on the printed circuit boards and adapted to be further connected to a DC power source. A power supply for connection to and converting available AC to DC, is connected to the driver means. Lenses have ends fitted within the extrusion grooves, the lenses spaced from and covering the printed circuit boards and LEDs thereon. Upper and lower end caps are affixed to the upper and lower ends of the extrusions, respectively, and hold the printed circuit boards and lenses in place. A means is provided for connecting the light source to an external fixture.

Abstract: The lighting device comprises a case comprising: a bottom plate; a first wall extending from the bottom plate; a second wall extending from the bottom plate and facing to the first wall; a first top plate extending perpendicular to the first wall; and a second top plate extending perpendicular to the second wall, a light emitter disposed on the bottom plate of the case; and a diffuser plate spaced apart from the light emitter and disposed between the first wall and the second wall, wherein the first wall and the second wall comprise a coupling recess, and wherein the diffuser plate is coupled to the coupling recess.

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: The invention relates to an elongated luminous element (1) having a plurality of approximately point-shaped light sources (2) disposed along a line and having light diffusion means (3) deflecting at least one part of the light rays (12) sent out by the light sources (2) in a desired direction. The light diffusion means (3) are disposed lateral to the main emitting direction of the light sources. The elongated luminous element (1) is particularly suitable for installation in a light box (13) for advertising or demonstration purposes. The light box has a transparent or partially transparent front side (7) and a reflective back side (8). The elongated luminous element (1) or a plurality thereof is or are applied to at least one of the side areas (11, 14), such that the light rays (12) emitted by the light sources (2) and deflected by the light diffusing means (3) are aimed between or on the back side (8) and/or the front side (7) of the light box (13).

Abstract: This invention relates to lighting apparatuses, and more particularly to a lighting apparatus in which an LED module is detachably mounted to make replacement and repair easy, and which enables to mount the same to fit to different sizes of spaces by a combination of assembly of a plurality of LED modules.

Abstract: An LED-based light comprises: a tubular housing formed of a high-dielectric material and defined at least in part by a light transmitting portion; an elongate circuit board disposed within the housing; at least one LED mounted on the circuit board; an elongate heat sink disposed within the housing, the heat sink having an interior circuit board mounting surface opposing a radially outer surface, the circuit board mounted in thermally conductive relation to the circuit board mounting surface, substantially all of the radially outer surface of the heat sink in thermally conductive relation with the tubular housing for electrically insulated thermal transmission of heat generated by the LED from the circuit board to an ambient environment surrounding the LED-based light; and a pair of end caps disposed on opposing ends of the housing with connectors configured to physically connect the LED-based light to a conventional fluorescent light fixture.

Abstract: Described are LED lighting assemblies that may be used to replace a light source in a light fixture. The LED lighting assembly may include a thermally conductive extrusion, a plurality of light emitting diodes, and a diffuser. The diffuser is positioned below the light emitting diodes and also releasably engages the extrusion. The light fixture may include a housing, a reflector assembly with at least one longitudinally extending trough, at least one light source, and at least one lens assembly. As an example, the at least one lens assembly and the at least one light source are removed, and at least one LED lighting assembly is provided. At least a portion of the extrusion of the at least one LED lighting assembly is placed adjacent the at least one longitudinally extending trough. The diffuser of the at least one LED lighting assembly is connected to the at least one longitudinally extending trough.

Abstract: A lighting fixture is provided that includes a flat elongated base having opposing longitudinal marginal slots and a pair of upright walls inboard of the longitudinal slots, and a pair of end caps engaging opposing ends of the elongated base. A gasket extends along a longitudinal surface of each of the upright walls. A lens extends between opposing end caps and conforms to the curved marginal edges of the end caps and edges and upright walls. The lens has two opposing longitudinal grooves that align with a pair of side rails extending between the end caps. Each side rail has a longitudinal cam projection extending into the associated lens groove. When the side rails are tightened against the lens, the cam projections tighten the lens into contact with the gasket to form a water tight seal between the lens and the base.

Abstract: A light emitting device comprising a light guiding frame and a light source is provided. The light guiding frame has a recess, and an edge of an opening of the recess defines a light-emitting opening. The light guiding frame comprises a first light guiding structure and a second light guiding structure connected to the first light guiding structure. The light source is disposed on a bottom of the recess and has a light-emitting surface. The first light guiding structure is extended along a direction away from the light-emitting surface and the light-emitting opening. The second light guiding structure is extended along a direction away from the light-emitting surface but close to the opening.