Abstract: An elongated lamp tube has an elongated tube shell, two caps, a LED light source, a first power supply circuit, a second power supply circuit and a frequency switch circuit. The elongated lamp tube may be connected to first electrodes of a lamp fixture without a ballast or a lamp fixture with a ballast. The ballast converts an external power of an industrial frequency to a converted power of a working frequency. The frequency switch circuit is connected to the first power supply and the second power supply for blocking one of the first power supply circuit and the second power supply to supply driving current to the LED light source according to an input frequency of a received power.

Abstract: A refrigerator equipped with a door that becomes transparent as necessary to make the interior thereof visible is disclosed. The refrigerator includes a cabinet having a storage compartment defined therein, a lighting device for illuminating the interior of the storage compartment, a door, which is hingedly coupled to the cabinet to open and close the storage compartment, and has an opening and a panel assembly including a front panel disposed on the front surface thereof, a sensor for detecting sound waves, which are generated by a knock input applied to the door and are transmitted through the front panel, and a controller for controlling the lighting device to allow light to be transmitted through the panel assembly, thus making the storage compartment visible from outside the door through the opening when a predetermined knock input is detected.

Abstract: The light fixture is configured to be mounted in a troffer. The light fixture includes a light emitting assembly including at least one LED and a reflector assembly. A mechanical attachment mechanism is configured to be connected directly between the light fixture and a troffer. The mechanical attachment mechanism is adjustable such that a distance between the light fixture and the troffer may vary. The mechanical attachment mechanism may comprise at least one bracket pivotably connected to the light fixture, a cable having an attachment structure wherein the effective length of the cable is adjustable, a telescoping bracket having an attachment structure wherein the effective length of the telescoping bracket is adjustable, a threaded member having an attachment structure wherein the effective length of the threaded member is adjustable by a threaded nut that engages the threaded member.

Abstract: Disclosed and described herein is a sharp cutoff LED lighting luminaire and methods of use thereof. Further disclosed is a modification thereof which allows baseballs or detritus trapped by the luminaire to fall to the ground. In the state of the art often designers will use the same type of LED lighting fixtures at the top of the pole as for low-mounted uplighting; specifically, taking an additional fixture similarly configured, inverting the orientation (i.e., so to project upward instead of downward), and mounting it relatively low on the pole. The envisioned sharp cutoff LED lighting fixture is better suited for low-mounted uplighting insomuch that it reduces back light, haze, internal glow, and perceived glare as compared to current LED lighting fixtures typically used for the same purpose.

Abstract: Disclosed is technology addressing lighting issues using a signature perforated design diffuser panel that provides a dual purpose—artistic and artificial light source. Stated differently, the disclosed technology provides diffused lighting while creating a signature geometric perforated pattern. When turned off, the technology is wall art, and, when turned on, it is wall art that provides a signature lighting experience. Embodiments also include the same diffuser technology used to modify and condition natural light sources (e.g. sun light).

Abstract: A light fixture includes a LED assembly and a housing. A lens assembly comprises a lens and a first end cap and a second end cap. The end caps are releasably connected to the housing such that the lens and the end caps are releasably mounted to the housing as a unit. The end caps may be releasably mounted to the housing by a deformable, resilient first engagement member that releasably engages a second engagement when the lens assembly is moved relative to the housing in a first direction. A force is created between the first engagement member and the second engagement member sufficient to hold the lens assembly in the housing and low enough that the lens assembly is removable from the housing by pulling the lens assembly in a second direction opposite to the first direction.

Abstract: The invention provides an angle-adjustable lamp and relates to the technical field of lighting. An angle-adjustable lamp comprises a fixing socket which is provided with a lamp hole, a rotating ring which rotates inside the protrusion of the outer edge of lamp hole, a fixing ring reversely sleeved on the protrusion and the lamp body connected to the rotating ring through two protrusions; by arranging the annular protrusion in the rim of the lamp hole and embedding rotating ring inside the protrusion, the rotation of the rotating ring along the center of lamp hole is ensured, and the limitation of rotation angle of lamp is extended; by arranging the annular fixing ring in the protrusion, raising and falling motion of rotating ring can be prevented effectively, therefore, the rotation process becomes more smooth.

Abstract: A retrofit kit for a lay-in troffer LED luminaire comprising two sets of connecting beams, with a first set being arranged in a parallel orientation and a second set of connecting beams oriented in a perpendicular manner with respect to each of the first set of beams. Each set of connecting beams are engaged to connected to each other by means of multiple coupling retainers and clamping hooks matched with each other to form a quadrangular bracket capable of containing the troffer. Compressible and extendable fastening means are further placed at the lateral sides of the troffer. And the troffer is connected to the ceiling through the allocation with the bracket by making fastening means aligned with the connecting holes on the first or the second sets of connecting beams that receive the fastening means.

Abstract: A troffer luminaire includes a housing and a door attached the housing. The door includes a first end plate and a second end plate. Disposed between the first and second end plates are a first reflector that has a first flange and a second reflector that has a second flange. The edges of a flexible lens are disposed in the first flange and the second flange, respectively.

Abstract: A refrigerator includes a cabinet, a door, and a transparent display assembly covering an opening of the door through which an inside of the refrigerator is visible. The transparent display assembly includes a front panel, a rear panel defining, a display disposed between the front and second panels, a light guide plate spaced apart from the display, a spacer disposed between the front panel and the light guide plate and configured to maintain a predetermined distance between the light guide plate and the display, a display light configured to emit light to the light guide plate, and a light guide plate stopper disposed between an end of the light guide plate and the display light and configured to prevent the display light from contacting the end of the light guide plate by protruding toward the light guide plate further than the display light.

Abstract: A luminaire system is provided that has directional light projection optics combined with a light distribution modifier to produce a non-uniform angular light intensity distribution from a single or array of light sources. The luminaire system provides for light intensity distribution with directional asymmetry meeting the specifications and requirements of aviation obstruction lights. The light distribution modifier component or subassembly redirects, scatters, refracts, diffracts and/or blocks part of the projection light in the distribution of the primary optics that would otherwise produce ground scatter. Unlike peripheral light shields at the marginal limits of the light distribution from the luminaire light system, the light distribution modifier is located near to the optical axis of the projection optics system.

Abstract: Interactive artificial lighting devices and systems and related methods of assembly and use are provided herein. The lighting devices and systems of various embodiments are shape-changing, responsive to touch, and configured to provide substantial illumination. The lighting devices and systems include: a elongate body firmed of a flexible, elastic, and translucent material; and a light source positioned at a proximal end of a channel extending through the elongate body. The light source may be configured to emit light circumferentially outward from the elongate body along the length of the elongate body.

Abstract: A refrigerator equipped with a door that becomes transparent as necessary to make the interior thereof visible is disclosed. The refrigerator includes a cabinet having a storage compartment defined therein, a lighting device for illuminating the interior of the storage compartment, a door, which is hingedly coupled to the cabinet to open and close the storage compartment, and has an opening and a panel assembly including a front panel disposed on the front surface thereof, a sensor for detecting sound waves, which are generated by a knock input applied to the door and are transmitted through the front panel, and a controller for controlling the lighting device to allow light to be transmitted through the panel assembly, thus making the storage compartment visible from outside the door through the opening when a predetermined knock input is detected.

Abstract: A light transmissive structure includes a light transmissive substrate having first and second opposing faces and array of microprism elements on the first face, with a respective microprism element including a plurality of concentric microprisms. The light transmissive structure is configured to receive light from a light source facing the first face and distribute the light emerging from the second face in a 2D batwing distribution.

Abstract: An assemble mechanism of LED lamp and a disassembling method, the assemble mechanism of LED lamp includes strip houses, covers, and coupling assembly. The coupling assembly includes a plug, and a socket. The plug includes a plug-body, and a T-shaped head. The T-shaped head includes a straight bar, and a horizontal bar. The straight bar provides two wedge structures on two side walls respectively. The socket includes a socket body, and a T-shaped cavity configured for receiving the T-shaped head. The T-shaped cavity provides two catches on the two inner side walls, the two catches is configured for clamping the two wedge structures. As long as the plug of the coupling assembly is engaged with the socket, and the wedge structure is clamping into the catch, which makes interconnection of the two LED lamps simple and convenient, and helps to reduce the installation time.

Abstract: A light source assembly, a backlight and a display device are provided. The light source assembly comprises a bar-shaped light source unit, which comprises an organic light-emitting diode for emitting light and has a light outgoing side; and a light concentration bar, which has a light incidence surface and a light outgoing surface opposite to each other, the light incidence surface being disposed at an outer side of the light outgoing side of the light source unit and matching with the light outgoing side in size, and the light outgoing surface matching with a light incidence side of a light guide plate in size.

Abstract: Gradient optics for even light distribution of LED light sources. In an aspect, an apparatus is provided for uniform distribution of light emitted from a light source. The apparatus includes a panel coupled to receive the light emitted from the light source, and gradient optics disposed on the panel, the gradient optics providing a matching transparency gradient that is aligned with the light source to evenly distribute the emitted light. In another aspect, an apparatus includes means for receiving the light emitted from the light source, and means for providing a matching transparency gradient that is aligned with the light source to evenly distribute the emitted light.

Abstract: A device for providing light including: a housing; an array of a plurality of LED lights mounted to the housing, wherein, when active, each LED emits a highest intensity beam of light along a primary axis and emits a lower intensity beam of light along a secondary axis; a lens mounted to the housing, the lens including an optic element corresponding to each of the plurality of LED lights, each optic element intersected by the primary axis of the corresponding LED light; and a translucent edge-light diffusing layer located between two or more of the plurality of LED lights, the edge diffusing layer is not intersected by the primary axis and is intersected by the secondary axis of the LED lights.

Abstract: The present disclosure relates to a vehicle accessory component for a vehicle. The component makes use of a structural member having a channel. The structural member is attachable to the vehicle. A modular light assembly is included which has a frame and at least one optical element secured to the frame. Electrical cabling couples the optical element to a power source. The frame is insertable into the channel in the structural member and supported within the channel. The frame has at least one opening over which the optical element is positioned when the modular light assembly is inserted into the channel. This allows the optical element to provide illumination to an area adjacent the vehicle when the optical element is powered on.

Abstract: A light strip system comprises an elongate carrier arrangement formed by mounting rail elements that are open towards the lower face, a shaped part which consists at least partly of a flexible material and forms an accommodation space formed in the carrier arrangement and extending in the longitudinal direction, and a lighting module component arranged in the accommodation space. In order to hold the lighting module component it is arranged so as to push against contact regions of the carrier arrangement, on two opposite sides, each time with the interposition of regions of the shaped part.

Abstract: A replaceable LED lamp is configured to be mounted on a lamp bracket, the lamp bracket includes a lamp bracket bottom wall and two lamp bracket sidewalls extending from opposite sides of the lamp bracket bottom wall along the same direction, the replaceable LED lamp includes: a lamp housing; a power drive mounted on a surface of the lamp housing facing the lamp bracket; a lamp strip mounted on a surface of the lamp housing opposite to the lamp bracket; two latching edges fixed to opposite sides of the lamp housing; a lampshade covering the lamp strip; and a plurality of mounting plates connecting the lamp housing to the lamp bracket; wherein each latching edge defines a latching groove, the lampshade includes two latching lugs on opposite sides thereof, the latching lug is plugged in the latching groove.

Abstract: An LED tube lamp including a glass lamp tube, an end cap disposed at one end of the glass lamp tube, a power supply provided inside the end cap, an LED light strip disposed inside the glass lamp tube with a plurality of LED light sources mounted on. At least a part of an inner surface of the glass lamp tube is formed with a rough surface, and the glass lamp tube is covered by a heat shrink sleeve. The LED light strip has a bendable circuit sheet which is made of a metal layer structure to electrically connect the LED light sources with the power supply. The glass lamp tube and the end cap are secured by a highly thermal conductive silicone gel with its thermal conductivity not less than 0.7 w/m·k.

Abstract: A method for fabricating an LED light bar and an LED light bar are provided. The method includes: providing a transparent base, wherein at least one framework region for fixing LED chips is arranged on the transparent base, at least one milling groove parallel to the framework region is arranged at each of two sides of each framework region; arranging one or more LED chips on the at least one framework region; covering an upper surface and a lower surface of the transparent base where the LED chips are arranged with a packaging adhesive mixed with fluorescent powder, and filling up the milling groove with the packaging adhesive; and cutting the transparent base along the milling groove, to obtain an LED light bar surrounded by the adhesive.

Abstract: A wall lamp includes a main frame including a first side portion, a second side portion, a third side portion, and a fourth side portion that are connected to each other successively; a luminous component located in the main frame; a first blocking plate, a second blocking plate, a third blocking plate, and a fourth blocking plate positioned on the first side portion, the second side portion, the third side portion, and the fourth side portion, respectively; an upper blocking plate positioned on a top portion of the main frame; and a base assembled to a bottom portion of the main frame; wherein at least one of the first blocking plate, the second blocking plate, the third blocking plate, the fourth blocking plate, and the upper blocking plate is a detachable shielding plate.

Abstract: A stanchion includes a circular base, a transparent tube coupled to the circular base, a first circuit board with a plurality of controllable light emitting diodes (LEDs) mounted thereon, and a second circuit board including electronics for controlling the LEDs. The LEDs provide a plurality of colors that can be controlled via a remote control device or acoustically.

Abstract: Disclosed herein is an optical device having a light source, a viscoelastic lightguide and a retroreflective film suitable for retroreflecting light. Light from the light source enters the viscoelastic lightguide and is transported within the lightguide by total internal reflection. The optical device may have a “front lit” configuration such that light being transported within the lightguide is extracted and retroreflected by the film toward a viewer. The optical device may have a “back lit” configuration such that light being transported within the lightguide is extracted and transmitted through the film toward a viewer. The retroreflective film may comprise beaded retroreflective sheeting such as that used in traffic signs and markings.

Abstract: A lighting system includes an EL unit having a light emitter, a holding frame that holds the EL unit, and a control unit that controls lighting of the EL unit, wherein the holding frame includes a rail-shaped conductive member, and power and communication signals are transmitted between the control unit and the EL unit through the conductive member. With this configuration, since the connection between the control unit and the EL unit is made by the conductive member provided on the holding frame, which holds the EL unit, space for wiring in a residential space can be reduced. Further, simply by placing the holding frame on a mounting surface and attaching the EL unit and the control unit to the holding frame, they are connected. Therefore, without special skills, a resident can install the lighting system as appropriate and can easily replace the EL unit.

Abstract: A troffer luminaire that includes a plurality of solid state lighting devices, and a first lens and a second lens having total internal reflection (TIR) to collect light from the lighting devices and produce a light output with good luminance uniformity; and to control the distribution profile of the light output through the first lens and the second lens as desired for particular lighting applications.

Abstract: A method for producing optoelectronic semiconductor components and an optoelectronic semiconductor component are disclosed. In an embodiment the method includes: A) creating a blank by pultrusion from a glass melt, B) shaping the blank into a billet-shaped optical element with a longitudinal axis, the optical element having a mounting side and a light outlet side, C) producing conductor tracks on the mounting side, D) mounting a plurality of optoelectronic semiconductor chips on the mounting side of the optical element and connecting them to the conductor tracks and E) separating the optical element into the optoelectronic semiconductor components, wherein each optoelectronic semiconductor component comprises at least two of the semiconductor chips, and wherein at least steps A) to D) are performed in the stated sequence.

Abstract: A lighting system can include a lightguide having an edge and two major surfaces. The lightguide can be mounted in a frame so that one of the major surfaces faces towards an area to be illuminated, while the other major surface faces away from the area. LEDs can couple light into the lightguide edge, with the coupled light emitting from both major surfaces. Light emitted from the major surface that faces away from the area to be illuminated can be reflected back into the lightguide by a reflective surface. The reflective surface can be separated from the lightguide by an air gap. The air gap can promote internal reflection at the major surface facing away from the area to be illuminated, thereby enhancing homogeneity and output of light towards the area to be illuminated. The frame can include integral wireways, reflector retention clips, and grounding circuitry.

Abstract: An interactive appliance is provided. The interactive appliance includes at least a housing, and an intelligent control disposed within the housing. One or more lighting devices are electrically connected to the intelligent control, as are one or more sensors. The sensors provide sensor data for the interactive appliance. The intelligent control is configured to alter operation of at least one of the one or more lighting devices based on data provided by the sensor to provide interactive feedback to a user of the interactive appliance. The feedback can include altering light intensity, color, consistency, or the like depending on the sensor data. Furthermore, the lighting device can be placed on a surface, such as an exterior surface of the housing of the appliance, or can be disposed within an interior portion of the appliance.

Abstract: A diffuser for a lighting device comprises a diffuser region, a hook element and a nose element. A light fixture comprises a housing with an opening and a diffuser as described above, in which the nose element extends through the opening, optionally further comprising an accessory including at least one spring element engaging the hook element. A light fixture structure comprises a housing defining an opening and an first attachment element comprising a nose element, a hook element and a connection region, and optionally further comprising a diffuser engaging a first portion of the hook element, and/or an accessory which engages a second portion of the hook element. An eyeball accessory comprises first and second housing elements pivotably attached to each other. An accessory for a light fixture comprises a housing member and a spring element engageable with a fixture.

Abstract: An LED lighting system comprising at least one LED luminaire is provided. An LED luminaire may comprise at least one longitudinally extending LED light source, a first LED light source holder holding a first end of the LED light sources and having a first electrical socket in electrical communication with the LED light sources. A second LED light source holder holds a second end of the LED light sources. The LED light source holders are configured to hold the LED luminaire in place.

Abstract: A recessed lighting optical holder for a recessed lighting fixture, comprises a retainer 100 having a generally annular shape, including a resilient snap projection 105 formed on an inner circumference and resilient beam 130 supported at both ends on an outer circumference. The beam slides into engagement with a heat sink extension 122 on a bottom portion of a circular heat sink 110, when a top surface of the retainer is positioned against a bottom portion of the heat sink and the retainer is rotated with respect to the heat sink, to lock the retainer to the heat sink. An optic 120 has a generally conical shape, with a bottom portion surrounded by circular lip 125 that snaps into holding engagement with the snap of the retainer, to positively retain the optic. The holder is relatively simple to manufacture and is conveniently accessible for installation and occasional maintenance or replacement.

Abstract: The present invention relates to an LED surface light-emitting device for easy shielding, and a manufacturing method thereof, and includes: an integrated type rear-surface case part having an accommodation space portion open toward the front surface portion thereof, wherein a substrate equipped with LEDs is accommodated in the accommodation space portion; a diffusion panel which covers the open front surface portion of the rear-surface case part, and diffuses light of the LEDs to be a surface light source; and a front-surface window frame, the rear surface of which is coupled to the boundary of the front surface portion of the rear-surface case part, with the diffusion panel located on the rear-surface case part. The present invention is configured as a single body without openings to prevent dust and insects from coming therein, and thus can prevent brightness from decreasing according to use.

Abstract: The present disclosure provides systems and techniques for a lighting fixture with a motion sensor and an emergency battery test switch. The disclosure herein provides a lighting fixture for fitting within a ceiling, wall, or other surface. The lighting fixture includes a frame which forms the perimeter of the lighting fixture. The frame includes two endplates and two side bars, forming an outer frame of the lighting fixture. The frame further includes a device mounting bracket coupled between the two endplates, separating the outer frame into two frames. Each of the two frames houses a lightguide which is coupled to a light source. Each of the light guides are coupled with a back reflector. The motion sensor and emergency battery test switch can be coupled to the device mounting bracket or elsewhere on the frame.

Abstract: A display apparatus includes a display panel displaying an image, a backlight unit, and a top cover. The backlight unit includes a bottom cover including a first bottom cover as a bottom surface and a second bottom cover extending from the first bottom cover. The top cover includes first and second top covers. The first top cover covers an edge of an upper surface of the display panel and the second top cover is connected to the first top cover and extends in a direction inclined with respect to a direction in which the first top cover extends. An edge of the backlight unit is more outwardly protruded than an edge of the first top cover when viewed in a plan view, and the second bottom cover extends in a direction substantially parallel to the second top cover.

Abstract: A lighting apparatus is described that may include a ballast housing, a lighting element housing and a ventilation chamber. The lighting element housing may include a lighting element. The ventilation chamber may be disposed between the ballast housing and the light element housing to maintain a predetermined distance between the ballast housing and the lighting element housing to reduce heat transferred from the lighting element to the ballast housing.

Abstract: An optical element, a lighting system and a luminaire is provided. The optical element comprises a plate 100 and a plurality of collimating means. The optical element is to be used in front of a light source comprising a light emitting surface 106, and the optical element is configured to obtain a skylight appearance. The plate 100 is to be arranged parallel to the light emitting surface 106. The plate 100 is opaque and comprises a plurality of holes 104. The plate 100 further comprises a reflective surface 102 which is to be arranged parallel to the light emitting surface 106. The reflective surface 102 is light reflective in a predetermined spectral range to obtain a blue light emission 100. The plurality of collimating means collimate a part of the light received from the light source to obtain a collimated light beam 112 in a specific direction. Each one of the collimating means comprises one of the plurality of holes of the plate 104.

Abstract: The invention provides a lighting unit (100) comprising (a) a lighting unit cavity (130), (b) a light source unit (110), for light source unit light (111), wherein the light source unit (110) comprises a light source (1100) and a collimator (1200), and (c) a light exit window (120), configured to enclose at least part of the lighting unit cavity (130) and configured to allow transmission of at least part of the light source unit light (111) as a beam of light (101), wherein the light exit window (120) comprises an upstream face (125) and a downstream face (126), with the upstream face (125) directed to the lighting unit cavity (130); wherein the upstream face (125) comprises light outcoupling structures (140), configured to couple the light source unit light (111) via the light exit window (120) out of the lighting unit (100).

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 apparatus according to an embodiment includes an optical unit and a body. The Optical unit includes a light emitting module that has a light emitting element, a reflector that controls distribution of light from the light emitting module, and a unit supporting member that supports the light emitting module and the reflector. A plurality of optical units are mounted to the apparatus body such that each optical unit is detachable. And the body includes an irradiating portion that has an opening through which the optical units irradiate light.

Abstract: In various embodiments, a system for providing an LED illumination source on a surface includes a light module comprising (i) an illumination area for receiving one or more light-emitting diodes (LEDs) and (ii) slip joints at first and second ends of the light module, each slip joint comprising a slip joint slot, and at least one bracket for mounting the light module to the surface, the at least one bracket having (i) a fitting frictionally receivable within one of the slip joint slots and (ii) a mounting region engageable to the surface.

Abstract: A housing apparatus for use in a lighting system may include a housing body and a channel-type connection structure coupled to or formed in the housing body. The channel-type connection structure may define a channel having a generally U-shaped cross-section and extending along a length in a first direction perpendicular to the U-shaped cross-section. The channel-type connection structure may be configured to receive and engage at least one first connector inserted in the generally U-shaped channel in an axial direction generally parallel to the first direction, and further configured to receive and engage at least one second connector inserted in the generally U-shaped channel in a perpendicular direction generally perpendicular to the first direction.

Abstract: A dropped-ceiling lighting system having a reflector positioned in an opening in a grid used to suspend a dropped ceiling, a lighting device including a light source mounted adjacent to the reflector, a structural support securing the lighting device to the grid, and a power source for the lighting device. Also discloses is a dropped-ceiling lighting system comprised of a reflector attached to a plenum barrier positioned in an opening in a grid used to suspend a dropped ceiling, a power source extends from a first edge of the plenum barrier to a second edge of the plenum barrier, and a light source is mounted to the power source.

Abstract: A beverage storage cabinet enclosure including a front wall surface with a one-way mirror, a front door with layered thermal glass, support bars, back wall with a full mirror, sidewalls with full mirrors or light boxes a top and bottom. The support bars support beverage containers and may include light elements. Presents an infinity effect reflection of a repeated succession of items that appear to recede rearward behind the back wall. In embodiments, the enclosure includes a controller and light sensor to adjust one or more of lights, and enhance and vary the infinity effect by brightening or dimming the lights to keep internal light intensity brighter than external light intensity.

Abstract: Gradient optics for even light distribution of LED light sources. In an aspect, an apparatus is provided for uniform distribution of light emitted from a light source. The apparatus includes a panel coupled to receive the light emitted from the light source, and gradient optics disposed on the panel, the gradient optics providing a matching transparency gradient that is aligned with the light source to evenly distribute the emitted light. In another aspect, an apparatus includes means for receiving the light emitted from the light source, and means for providing a matching transparency gradient that is aligned with the light source to evenly distribute the emitted light.

Abstract: A linear lighting device includes a body, a light source holder, and a light source. The body has a top portion, a bottom portion, and a rear portion. The light source holder has a holding member and an attachment member. The attachment member of the light source holder is secured to the rear portion of the body. Further, the light source is disposed on the holding member of the light source holder. A lighting device also includes a cover. The cover has a first end and a second end, and is movable between an open position and a closed position. The first end of the cover is pivotably secured to the bottom portion of the body and the second end of the cover is adapted to be fixedly secured to the top portion of the body.

Abstract: Devices, systems, and methods are provided for both retrofitting existing lighting fixtures with LED panels and for installing ceiling tiles having LED modules incorporated therewith. In one exemplary embodiment, a thin panel includes an LED module integrated therewith and the panel is disposed over an opening in a troffer to provide light from the panel-module combination. In another exemplary embodiment, a ceiling tile includes an LED module integrated therewith and the tile is placed in a ceiling grid so light can be provided from that tile. Exemplary configurations of the systems, devices, and kits, as well as methods for installing the same, are also provided.

Abstract: A light emitting unit includes a light source device and a reflector. The light source device extends in parallel with an extension direction, and is capable of providing a light beam. The reflector is configured under the light source device and extends in parallel with the extension direction. The reflector has a first protrusion and a pair of second protrusions located on two sides of the first protrusion, the first protrusion has a peak portion and two trough portions, the second protrusion has a peak portion and a trough portion, and the two trough portions of the first protrusion are respectively connected to the trough portions of the two second protrusions to provide a fluctuant reflection surface, and a height of a cross section contour of the pair of the second protrusions in parallel with the extension direction is decreased from a center to two ends of the reflector.