Abstract: A luminaire assembly is disclosed comprising a mounting part (2, 7) configured to be attached to a wall or ceiling, a luminaire part (1) configured to be attached to the mounting part (2, 7), and at least one resilient plug (6) and at least one slot configured to engage with each other for attaching the luminaire part (1) to the mounting part (2, 7) without further tooling needs. The luminaire assembly may further comprise plug and play electrical connectors for making the electrical connection between the luminaire part (1) and the mounting part (2, 7). Also a method for mounting a luminaire assembly to a wall or ceiling is disclosed. The method allows an installer to safely mount the luminaire and make connect the electrical wiring with a minimum of additional tooling or additional hands.

Abstract: An LED tube lamp includes a lamp tube, which includes a light transmissive portion, a reinforcing portion and an end cap, and an LED light assembly, which includes an LED light source and an LED light strip. The light transmissive portion is fixedly connected to the reinforcing portion. The reinforcing portion includes a platform and a bracing structure fixedly connected to the platform and holds the platform in place. The bracing structure is made from a material having a greater stiffness than the material from which the lamp tube is made. The LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion. The end cap is attached to an end of the lamp tube. The light transmissive portion and the reinforcing portion define a first line between them on a cross section of the lamp tube.

Abstract: An LED tube lamp includes a lamp tube, an LED light bar disposed inside the lamp tube with a plurality of LED light sources provided on the LED light bar, a diffusion film layer disposed inside the lamp tube and configured to transmit the light emitted from the LED light sources, and a reflective film layer disposed on an inner circumferential surface of the lamp tube. The reflective film layer is configured to partially occupy the inner circumferential surface of the lamp tube along a longitudinal direction and a circumferential direction of the lamp tube, and the diffusion film layer is a sheet disposed to cover the LED light sources without making direct contact with the LED light sources.

Abstract: A lighting device includes a lighting source, a case, and a light adjuster adjusting a path of light emitted from the lighting source. The light adjuster includes a first light adjustment panel, a second light adjustment panel, and a shielding panel. The first light adjustment panel is placed between the first reflection panel and the second reflection panel, and shields a part of the light emitted from the first lighting source. The second light adjustment panel is placed between the third reflection panel and the fourth reflection panel, and shields a part of the light emitted from the second lighting source.

Abstract: A thermally insulated door assembly includes first and second panes of light transmissive material, a light assembly, and a heat sink. The first pane and the second pane are spaced apart from each other by a separation gap to define an interior chamber. The light assembly is in the interior chamber between the first pane and the second pane, and is configured to generate light within the interior chamber. The heat sink is disposed within the interior chamber and coupled with the light assembly and an inwardly facing surface of the first pane. The heat sink is configured to conduct thermal energy generated by the light assembly onto an inwardly facing surface of the first pane and into the interior chamber such that the inwardly facing surface of the first pane and the interior chamber are heated by the light assembly.

Abstract: An LED lighting system, lamp retrofit system, kit, and method is presently disclosed. The LED retrofit system comprises at least one longitudinally extending LED lamp having a length substantially greater than a width and open longitudinal ends. A first LED lamp support rail holds and covers a first open longitudinal end of each of the at least one longitudinally extending LED lamps and is configured to electrically connect each of the at least one longitudinally extending LED lamps to a power source. A second LED lamp support rail holds and covers a second open longitudinal end of each of the at least one longitudinally extending LED lamps held with the first LED lamp support rail. A system holder on each of the first and second LED lamp support rails is configured and disposed to hold the retrofit system to a portion of a lamp fixture being retrofitted.

Abstract: A light emitting diode (LED) lighting arrangement for a lighting fixture includes: a lighting strip comprising a plurality of light emitting diodes (LEDs) arranged along a length of the lighting strip; a first multi-faceted side wall reflector extending from a first side of the lighting strip at an angle such that the first multi-faceted side wall reflector extends along an entire length of the lighting strip and away from a bottom portion of a light emitting portion of each of the light emitting diodes (LEDs); and a second multi-faceted side wall reflector extending from a second, opposite side of the lighting strip at an angle such that the second multi-faceted side wall reflector extends along an entire length of the lighting strip away from the bottom portion of the light emitting portion of each of the light emitting diodes (LEDs). The first and second multi-faceted side wall reflectors cause light produced by the plurality of light emitting diodes (LEDs) to be amplified and formed into a uniform beam.

Abstract: A cooler with a modular light bar having multiple LEDs to illuminate an entire interior of the cooler is disclosed herein. The LEDs are preferably automatically activated by a switch positioned in the cooler. When the lid is in an open state, the switch completes a circuit from a battery to the LEDs of the modular light bar thereby allowing the LEDs to illuminate the entire interior chamber of the cooler.

Abstract: A light emitting diode (LED) light element includes a support portion, and a LED assembly mounted to the support portion. The LED assembly includes a plurality of LEDs mounted thereto and conductors extending therefrom. A lens is configured to engage the support portion and cover the LEDs. A pair of end caps are configured to cover ends of the support portion and lens. Each end cap includes first portions configured to enclose its respective support portion and lens ends. Each end cap includes a second portion having a periphery that is smaller than a periphery of the first portion. Each end cap has a pair of pins extending therefrom that are in electrical communication with the LED assembly via the conductors.

Abstract: A lamp comprises a LED lamp comprising a base. A plurality of LEDs are attached to a first side of the base. A lens covers the plurality of LEDs. A power supply provides power to the LEDs. A first electrical connector provides power to the power supply. A troffer housing comprises a wire way for receiving the power supply. A second electrical conductor is adapted to be connected to a source of power. The base is secured to the troffer housing where the power supply is located in the wire way and the first electrical conductor is connected to the second electrical conductor.

Abstract: A retrofitting kit for retrofitting an existing troffer light fixture having a troffer housing includes a door assembly and a retainer. The door assembly includes a housing and a light source within the housing. The retainer is fixed to the housing of the door assembly and configured to engage at least one of the troffer housing and a T-bar of a ceiling system to thereby selectively secure the door assembly within the ceiling system. The retainer is positioned such that the engagement between the retainer and the at least one of the troffer housing and the T-bar of the ceiling system is direct.

Abstract: A recessed lighting fixture includes a lamp housing and a separate compact junction box, which contains a power supply that drives the lamp and serves in part to divide the interior cavity of the junction box into two separate wiring compartments. The junction box has two end walls spaced along an axis and a releasably secured. The lighting fixture is particularly suitable for retrofit installations, especially where small aperture downlights are desired.

Abstract: An LED illuminating device includes a printed circuit board, at least one LED chip group arranged on the printed circuit board, and a lens assembly, wherein the LED illuminating device further includes a reflector provided between the LED chip group and the lens assembly, wherein the reflector is configured to diffusely reflect light from the LED chip group so that the light is uniformized and emerges in a direction of the lens assembly.

Abstract: A LED light fixture is provided herein for mounting into a troffer housing. The light fixture includes a carrier plate dimensioned to fit within the troffer housing, the carrier plate having a generally flat first portion, a generally flat second portion, and an outwardly indented portion located therebetween. The first and second portions are generally coplanar in a common plane. At least one LED is mounted to the first portion. A driver is electrically coupled to the at least one LED and disposed within the indented portion without extending through the common plane with the driver being fixed to the carrier plate. At least two lead wires are electrically coupled to the driver, and extending therefrom, configured to allow electrical power to pass therethrough to the driver. Advantageously, a LED light fixture is provided herein which is a unitary construction that can be efficiently mounted in a troffer housing.

Abstract: A graphic display device illuminates interchangeable graphic panels and is mountable to a translucent mounting surface. The graphic display device includes a housing assembly, a light guide assembly, and select device support structure. The housing assembly includes a housing back, a housing front, and peripheral housing edging. Together, the housing back and housing edging define an assembly-receiving volume. The light guide of the light guide assembly is positionable within the assembly-receiving volume for guiding light from the light source in an anterior direction. The device support structure alternatively fasten the graphic display device to a translucent mounting surface or support the device upon a support surface adjacent a window such that the light from the light source is guided in an anterior direction through the window.

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 refrigerator with an ultraviolet LED may be provided that includes: a base disposed on a first member and a second member which are placed within the refrigerator and have one surfaces having facing directions crossing each other; a first fixing member disposed between the base and the first member; a second fixing member disposed between the base and the second member; and an ultraviolet LED being disposed on the top surface of the base and emitting light toward the interior space of the refrigerator.

Abstract: A solar simulator including a light source and a light conduit array is provided. The light source is used for emitting a beam of ray radiation. The light conduit array includes a plurality of light conduits closely adjacent to one another. Each of the light conduits has an inner reflecting surface used for reflecting the ray radiation, a light input side, and a light output side opposite to the light input side. The ray radiation enters the light conduits through the light input side and emitting from the light output side.

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: The annular-arranged lamp capable of backward projecting by concave sphere provided by this invention is mainly provided with a side of an annular heat dissipation device being installed with light emitting devices (102) wherein the lamp is installed with two or more than two light emitting devices (110) arranged in a circular or polygonal means, and the light projecting axial line of each light emitting device (110) is projected towards a reflection device with concave sphere (103) disposed above the annular heat dissipation device (101), light beams of the light emitting devices (110) are reflected by the reflection device with concave sphere (103) then refracted to a preset projection range, thereby forming a unified light source.

Abstract: The present invention discloses a ceiling, in particular to a ceiling board with modularized composite LED lamps. The ceiling comprises a light bar (2), a ceiling board (1a, 1b). The ceiling is characterized in that a plurality of LED lamps are fixedly embedded in a light bar (2); the bar (2) is mounted on the side edges of two adjoining ceiling boards (1) fitted and held firmly by the standard ceiling grids.

Abstract: A lamp according to the present invention includes: a line portion which blocks a part of light proceeding from a light emitting unit in a direction perpendicular to a tube axis direction; and a raised portion which blocks the light proceeding from the light emitting unit in the direction perpendicular to the tube axis direction that is not blocked by the line portion. The raised portion has an end portion having a linear shape in the tube axis direction, the end portion being an end portion of a section of the raised portion that blocks light.

Abstract: Disclosed herein are a backlight unit and a lighting system including the same. The backlight unit includes a first reflector and a bottom cover, a plurality of reflector support parts disposed on the bottom cover, each of the reflector support parts including at least two first and second slanted surfaces adjacent to each other about at least one inflection point, a second reflector disposed on the plural reflector support parts, and a light source module disposed between the first reflector and each of the second reflector.

Abstract: A backlight unit includes: an LED; a chassis including a bottom plate provided on a side opposite to a light exit side; and a first reflection sheet. The first reflection sheet includes a quadrangular bottom portion extending along the bottom plate, and two raised portions raised from each of two adjacent sides of the quadrangular bottom portion toward the light exit side, a joint provided between two adjacent side edges of the raised portions. The side edge of a first one of the raised portions includes a facing portion facing the side edge of a second one of the raised portions in a direction in which the first one of the raised portions is raised from the quadrangular bottom portion, and the first one of the raised portions and facing portion bulge toward the light exit side to have an arched shape.

Abstract: A utility illumination device comprises a first end member, a second end member and a light tube coupled between the first end member and the second end member. The first end member has at least one faceted surface along an edge thereof. Analogously, the second end member has at least one faceted surface along an edge thereof. The illumination device further comprises an illumination assembly within the light tube that comprises a light source. The illumination device is manually adjustable to change the direction of light emitted from the illumination device.

Abstract: A strobe device 1 includes an electrically-conductive reflector 3 into which a xenon tube 2 having xenon gas enclosed therein and having a light-transmitting property is housed. The xenon tube 2 has an anode 21 and a cathode 22 at both ends, and a sintered body 23 electrically connected to the cathode 22 at the cathode-22 side inside the xenon tube 2. A cathode-22-side end 34a of a bottom surface 34 of the reflector 3 is positioned closer to the anode-22 side than the sintered body 23. The bottom surface 34 is provided with an electrically-conductive projecting portion 35 projecting from the cathode-22-side end 34a so as to be closer to the cathode-22 side than the anode-side end 23a of the sintered body 23.

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: A lighting device includes a light bar, two reflective covers and a reflective plate. The two reflective covers respectively connected to two opposite long sides of the light bar. The reflective plate is positioned at the light output side of the light bar. The reflective surface of the reflective plate faces the light output side of the light bar. The reflective plate has a wavelength conversion layer positioned on the reflective surface thereof. The light bar emits a first wavelength light, and a portion of the first wavelength light is converted by the wavelength conversion layer into a second wavelength light which is reflected by the reflective plate to the two reflective covers, while the remaining non-converted first wavelength light is reflected by the reflective plate to the two reflective covers and mixed with the second wavelength lights to give a light with a predetermined spectrum.

Abstract: In an illumination device that radiates light to an object to be irradiated placed on a predetermined placement surface, a first light guide body has a first incident surface located at an end thereof in a first direction, which receives light along the first direction, and a first exit surface extending along the first direction, which emits the light in a second direction crossing the first direction, thereby radiating light to the object to be irradiated, from the second direction, and a second light guide body has a second incident surface located at an end thereof in the first direction, which receives light along the first direction, and a second exit surface extending along the first direction, which emits the light in a third direction crossing the first direction and the second direction, thereby radiating light to the object to be irradiated, from the third direction.

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: The present invention provides an optical cavity structure of an LED lighting apparatus comprising a base, a light reflector, LED module, and a light cover. The light reflector can be integrally formed with the base or an independent unit. An optical cavity is constructed by the base, light reflector and light cover altogether, and the LED module is attached to the base received within the optical cavity. The light reflector can be symmetrical with inclined angle or as a conical shape provided on two sides opposing to the direction of light from the LED module. The inner surface of the light reflector is a light reflecting surface. The light cover is attached to the light reflector. As a result, the light from the LED is gathered and reflected by the light reflecting surface via the angle and shape of the light reflector to achieve an enhanced luminance range and illumination.

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 light source device includes: a rod-shaped light source or an array light source extending in a main scanning direction; a reflector that is placed opposite the rod-shaped light source or the array light source, extends in the main scanning direction, and reflects light output from a side face of the rod-shaped light source or the array light source; and a plurality of reflector supports that are arranged at an interval along the main scanning direction and support the reflector.

Abstract: A backlight assembly comprising: a plurality of fluorescent lamps each including a lamp tube having a fluorescent layer, a discharge gas contained in the lamp tube, a first electrode disposed in the lamp tube, and a conductive terminal capacitively coupled to the first electrode; and a lamp socket which secures the plurality of fluorescent lamps.

Abstract: The illumination device includes a light source unit having a plurality of LEDs arranged in a linear shape, a light-emergent face extending to one side from the vicinity of an area straightly under the light source unit, and a first reflective body extending to the same side to which the light-emergent face extends from the vicinity of an area straightly over the light source unit, wherein the first reflection body has a first reflection face configured to get close to the light-emergent face as the first reflective body extends from the vicinity of an area straightly over the light source unit, and the light source unit is provided such that an optical axis of the LED is inclined to the first reflective face side with respect to a direction parallel to the light-emergent face.

Abstract: This aims to provide a support (10) comprising a bracket (7) attached to a predetermined structure, and a generally cylindrical holder (6) retained in the bracket (7). This bracket (7) has a receiving hole (112) for accommodating the holder (6). This holder (6) has a first rib (122) erected on a curved outer circumference, and an elastic portion (124) for giving the first rib (122) the degree of freedom for motions in the substantially radial direction. This also aims to provide a lighting unit (20) characterized by comprising a board (2), in which light emitting portions (23) having semiconductor light emitting devices are arrayed on the upper face side along the longitudinal direction, reflector members (3A and 3B) mounted on the side of the upper face of the board and having reflecting portions (34a and 34b) for covering the light emitting units and for reflecting the lights from the light emitting units, and a case member (4) disposed to support the board and the reflector members upward and downward.

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 lamp structure includes a base, a side-emitting light source, first and second reflecting portions. The base includes a central protrusion portion extending from the base. The side-emitting light source is disposed on a side surface of the central protrusion portion and configured to emit a light beam. The first reflecting portion includes a first reflective curved surface, and a portion of the light beam is reflected thereby and then is directly emitted out. The first reflecting portion is disposed between the central protrusion portion and the second reflecting portion. The second reflecting portion includes a second reflective curved surface adjacent to the first reflective curved surface, and the other portion of the light beam is reflected thereby and then is directly or indirectly emitted out. The first reflective curved surface has a radius of curvature less than that of the second reflective curved surface.

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

Abstract: A luminaire comprising a reflector having first and second outer edges and defining a downwardly open recess, the reflector defining a downwardly depending peak dividing the downwardly open recess into two troughs; a light source located at each of the first and second outer edges and configured to emit light into the downwardly open recess.

Abstract: AN LED lighting device of an aircraft for maneuvers of landing, and/or take-off, and/or taxiing, and/or searching comprising: one or more light-emitting modules including a light-emitting semiconductor device configured for emitting a light radiation; a supporting substrate carrying the light-emitting semiconductor device; a curved reflector having a concave reflecting surface and defining a plane of emission, wherein the concave reflecting surface has a semiparabolic shape obtained by sectioning a semiparaboloid along two mutually parallel cutting planes, and is arranged facing the light-emitting semiconductor device in such a way as to collect the light radiation and generate a radiation reflected through the plane of emission.

Abstract: Light engines for inclusion in luminaires. Some embodiments of the light engine include a heat sink, a reflector, and light emitting diodes. Some embodiments of the heat sink include perforations. The reflector includes a reflective surface that extends around at least a portion of the light emitting diodes. In some embodiments, a portion of the reflector is sandwiched between the light emitting diodes and the heat sink. In some embodiments, an end of the reflector terminates above the light emitting diodes to reduce the concentration of light directly above the light emitting diodes but rather distribute the light outwardly from the luminaire.

Abstract: An illuminating device with adjustable light beams and a method for assembling the same. The light-emitting units are disposed on the substrate. The optical element is disposed in the path of a light emitted by at least one of the light-emitting units. The driving unit drives a first or second set of the light-emitting units, wherein a light beam formed by light that is emitted by the first set of the light-emitting units and passes through the optical element has a different shape or projection angle from a light beam formed by light that is emitted by the second set of the light-emitting units and passes through the optical element.

Abstract: An illuminating device (210) according to an embodiment of the invention included in an image reading apparatus (100) and an image forming apparatus (D) includes light source portions (211a1), (211b1), (211a2) and (211b2), light-guiding members (213a) and (213b) for illuminating an illumination target (G) from an elongated light emitting face (M) that extends in a longitudinal direction (Y), by guiding light from the light source portions, and holding members (216a) and (216b) for holding the light-guiding members. The holding members include holding portions (2161a) and (2161b) for removably holding the light-guiding members, and tilted portions (2162a) and (2162b) that reflect light emitted from the light emitting face (M), the tilted portions extending from a front end on the light emitting face (M) side of the holding portions, obliquely widening with increasing distance from the light-guiding members.

Abstract: A light projection device of the present invention includes a flash discharge tube and a reflector into which the flash discharge tube inserted. The reflector is composed of at least a first reflector and a second reflector. At least a joint between the first reflector and the second reflector is fixed with a conductive fixing material. This structure prevents looseness between the first reflector and the second reflector and facilitates positioning between them. Further, the first reflector and the second reflector are reliably fixed at the same electrical potential to prevent sparks, thereby providing a light projection device capable of achieving stable optical performance.

Abstract: An integrated optic lamp assembly includes a rigid mounting structure, a base, a light source, and a reflector. The base, light source, and reflector are supported by the mounting structure. The base is configured to operationally connect to a light source socket. The reflector is configured and positioned relative to the light source to distribute light emitted from said light source in a predetermined light distribution pattern.

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.

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 fixture with co-formed plenum component is disclosed. Embodiments of the invention provide troffer-style recessed solid state fixture using a highly reflective plastic reflector. In at least some embodiments, the plastic reflector can meet the additional requirements placed on mechanical components exposed to the space above the ceiling plane in plenum return ceiling applications. Example embodiments include a light fixture with an LED light source and a reflector that is coextruded from a plenum rated substrate and a reflective material, for example, a plenum rated plastic substrate and a diffuse, white reflective material. In some embodiments, the plenum rated substrate includes polyetherimide, a polyphenylene ether/polystyrene blend, polycarbonate, polycarbonate copolymer, or a combination of the foregoing.

Abstract: A light guide element, a light source module, and a display are provided. The display includes a display panel and the light source module. The light source module includes a light source and the light guide element, wherein light emitted by the light source is guided toward the display panel by the light guide element. The light guide element includes a plurality sidewalls and a bottom wall. The sidewalls surround the bottom wall and are connected with each other to form a light entering opening, a light exiting opening, and an inner reflection room. Each of the sidewalls and the bottom wall has at least one reflection surface, wherein the reflection surface faces the inner reflection room.