Abstract: The present invention relates to a lighting device (1). The lighting device comprises a light source (3), a circuit board (7) configured to control the light source, and a circuit board frame (10) comprising a slot (12). Further, an edge (8) of the circuit board is mounted in the slot such that the circuit board is in thermal contact with the circuit board frame, thereby enabling heat to be conducted from the circuit board to the circuit board frame. The present invention is advantageous in that the thermal performance of the lighting device is improved and manufacturing costs are reduced.

Abstract: An LED-based light configured for replacing a conventional fluorescent light in a fluorescent light fixture comprises: an LED circuit board including at least one LED; a power supply circuit board configured to supply power to the at least one LED; an end cap carrying at least one pin configured for connection to the fixture; a pin connector header including a first body retentively supporting at least one pin connecting lead and configured to engage the power supply circuit board such that the pin connecting lead is positioned to electrically connect the power supply circuit board and the pin; and a circuit connector header including a second body retentively supporting at least one circuit connecting lead and configured to engage the power supply circuit board such that the circuit connecting lead is positioned to electrically connect the power supply circuit board and the LED circuit board.

Abstract: A LED lamp has an enclosure including an optically transmissive lens. LEDs are mounted on a plane in the enclosure and are operable to emit light through the lens when energized through an electrical path. A portion of the lens extends behind the plane of the plurality of LEDs such that a portion of the light is emitted as back light. Approximately between 5 and 25 percent of the total Lumen output of the lamp is emitted as backlight.

Abstract: Provided are a light emitting apparatus and a surface light source apparatus having the same. The light emitting apparatus comprises a package body, a first color light emitting part in a first cavity of the package body, and a second color light emitting part in a second cavity of the package body. The package body comprises a plurality of cavities.

Abstract: The present document describes a LED lighting module forming part of a LED lighting system comprising a troffer, the LED lighting module comprising: a mounting surface comprising a first end and a second end; light emitting diodes (LEDs) located on the mounting surface; a LED module electrical connector assembly located proximate the first end, the LED module electrical connector assembly for releasably connecting to an electrical retrofit connector assembly located proximate a first end of the troffer, the LED module electrical connector assembly for electrically connecting to the LEDs; and a LED module mechanical connector assembly located proximate the second end for releasably connecting to a mechanical connector assembly located proximate a second end of the troffer, the LED module mechanical connector assembly for releasably and mechanically connecting the LED lighting module to the troffer.

Abstract: An LED light fixture including a plurality of upwardly-protruding elongate fins extending therealong from distal fin-ends to proximal fin-ends adjacent to upward-flow openings through the fixture, the fins defining horizontal between-fin channels open at the distal fin-ends, and a plurality of flow-interrupters between adjacent fins changing air flow along the channels. The flow-interrupters may be less than half the heights of their respective between-fin channels and may be mounting bosses to serve the further purpose of facilitating assembly of the fixture.

Abstract: An LED lamp includes a supporting base and a reflector having a plurality of reflecting tabs mounted thereon. The reflector includes many circumferentially arranged tabs around a central axis of the supporting base. Many LED light sources are mounted in the supporting base and divided into an outer array and an inner array. Each reflecting tab has a fixed end connected to the supporting base and a free end distant from the supporting base. Each reflecting tab extends upwardly and outwardly from a central portion of the supporting base toward an outer periphery thereof. The inner array of the LED light sources is surrounded by the reflector. A hole is defined in a free end of each reflecting tab and aligned with one of the LED light sources of the outer array. A lamp mounting base is also provided.

Abstract: A light power socket adaptor is positioned between an energy-saving light bulb and a light socket that provides electrical power to the light bulb. Light power socket adaptors are network-enabled, and a sensor network is ZigBee, which is IEEE compliant and quickly forms a mesh network. Each node on the network operates independently. Each node also functions as a router so that it forwards data packets to other nodes if the data received is targeted for its own consumption. Each adaptor further includes a motion sensor as well as a photo (day/night) sensor.

Abstract: The invention refers to a Lighting system comprising: a LED board bearing LEDs; and an optical board on the LED board; wherein the optical board is made of optical modules positioned side-by-side according to predetermined orientations one to the other, each optical module comprising at least one optical element adapted to face at least one of said LEDs and modify feature of the light emitted by this at least one LED, wherein the lighting system is provided with mechanical fool proofing elements adapted to prevent a positioning of the optical modules according to orientations one to the other different from said predetermined orientations.

Abstract: A light-emitting diode (LED) tube is applied to a lamp holder with a ballast, and has a lighting module, a first control module and a second control module connected to two ends of the lighting module, and a harmonic elimination module connected to the first and second control modules and parallelly connected to the lighting module. Each of the first control module and the second control module has a simulation circuit unit and a rectification unit. Each of the simulation circuit units and the harmonic elimination module has a switching element. The first and second control modules adjust electrical signals from the ballast, and the harmonic elimination module eliminates harmonic waves generated by the ballast so that the lighting module is compatible with the ballast and is lit. Accordingly, the LED tube can be directly mounted on a fluorescent lamp holder with the lamp holder intact.

Abstract: A flexible LED display screen is disclosed. The LED display screen includes a screen cloth, a plurality of rear pressure plates and a plurality of LED unit modules, wherein each module includes a housing, a light plate, a face shield and a plurality of LED lights which are arranged on the light plate in a array with at least two rows and two columns, the light plate is provided between the housing and the face shield, each module is connected to the front side of the screen cloth; the plurality of rear pressure plates are provided on the rear side of the screen cloth, each plate is opposite to each module respectively, a fixing hole is provided in the screen cloth, and a fixing member passes through the fixing hole to fix the rear pressure plates and the LED unit modules on two sides of the screen cloth.

Abstract: An illumination apparatus, a method of manufacture of the same and a heat sink apparatus for use in said illumination apparatus in which an array of optical elements directs light from an array of light emitting elements through a heat dissipating structure to achieve a thin and efficient light source that provides directional illumination with efficient dissipation of generated heat into the illuminated environment.

Abstract: A light-emitting display system has interlocking tiles. In an implementation, each tile has a portion of a clamp that joins with another portion of the clamp on another tile. A tile is removed from the display by unlocking the clamp portions. The tile is removed without affecting the position of the other tiles in the display.

Abstract: A flameless candle may include a side wall including an upper region and a lower region, a base engaged with the lower region of the side wall, and an upper surface extending from the upper region of the side wall to form an upper recess. The candle may also include a projection screen extending upwardly through an aperture in the upper surface. The position of the projection screen is fixed with respect to a position of the upper surface. Two sources of light positioned below the upper surface may project light through the aperture onto the projection screen. Circuitry may electrically connect to the first source of light and the second source of light. The circuitry may independently control each of the sources of light.

Abstract: A light emitting diode (LED) lighting assembly is disclosed. A first panel having a front surface with a protrusion extending therefrom is provided. A second panel is coupled to the first panel directly below the protrusion, wherein the second panel includes at least one LED. A third substantially transparent panel having a cavity formed therein is provided, wherein the cavity is sized to fit over the second panel, wherein the third panel includes a beveled edge that abuts the first panel at a joint directly below the protrusion, and wherein the protrusion and beveled edge are configured to direct moisture away from the joint.

Abstract: A luminaire includes a light fixture having a heat conductive shell having an opening and at least one LED positioned on a plate within the heat conductive shell to emit light through the opening, wherein the heat conductive shell further comprises an ionic wind fan positioned on the plate so as to directly cool said at least one LED by moving air heated by the at least one LED through the opening.

Abstract: A dual-use light fixture having AC and DC LEDs includes a heat-dissipating housing, a printed circuit board located on a first end of the heat-dissipating housing, AC and DC LED chips located on the printed circuit board, and a power supply pedestal coupled to a second end of the heat-dissipating housing. The power supply pedestal includes an AC plug, a DC driving unit, and a thread connector. The AC plug is electrically connected to the printed circuit board for inserting into an AC outlet to provide an AC power. The DC driving unit is located in an accommodating space formed by the power supply pedestal and the heat-dissipating housing and is electrically connected to the printed circuit board. The thread connector is coupled to another AC power, and the AC power is converted into a DC power by the DC driving unit.

Abstract: An assembly structure of light-guiding cover is used in a lighting device. The lighting device comprises a light-emitting element. The assembly structure comprises a casing and a light-guiding cover. The casing has a receiving recess and a first engaging groove and a second engaging groove opposite to the first engaging groove, the light-emitting element is disposed within the receiving recess, and the first engaging groove and the second engaging groove are located at opposite two sides of the receiving recess. The light-guiding cover covers the receiving recess and has at least one aperture corresponding to the light-emitting element, wherein the light-guiding cover comprises a first engaging sheet and a second engaging sheet. The first engaging sheet is engaged with the first engaging groove. The second engaging sheet is disposed opposite to the first engaging sheet and engaged with the second engaging groove.

Abstract: A light source module optically coupled to an optical fiber which has a light incident surface is provided. The light source module includes a plurality of light sources and a concentrator. The light sources surround an axis, and the axis passes through a center of the light incident surface and is perpendicular to the light incident surface. Each of the light sources is capable of emitting a beam along a transmitting path toward the axis. The concentrator is disposed at the axis and includes a curvy reflective surface located on the transmitting paths for reflecting the beams to the light incident surface of the optical fiber.

Abstract: The present invention relates to a LED lamp unit (10) comprising at least two LED light sources (2) arranged between a heat sink (3) and an electrical connector base at two opposing sides of the lamp unit (10) to emit in opposed half spaces. The proposed LED lamp unit can be constructed in a very compact form in order to replace known halogen, xenon and incandescent bulbs without changing the construction of the reflector and mechanical parts in a head lamp or signaling lamp.

Abstract: A light source apparatus is provided which uses a plurality of semiconductor laser devices and which offers adequate heat dissipation. The light source apparatus using a plurality of semiconductor laser devices includes a holding member on which the plurality of semiconductor laser devices is arranged, wherein at least one semiconductor laser device among the plurality of semiconductor laser devices is arranged on the holding member such that a relative position of the semiconductor laser device in an optical axis direction with respect to an adjacent semiconductor laser device in a front view of the holding member is greater than a relative position of the semiconductor laser device in a direction perpendicular to the optical axis direction with respect to the adjacent semiconductor laser device.

Abstract: An LED base module includes a substrate and several driving units disposed on the substrate. Each driving unit includes a circuit layer, a separating wall, an LED driving component, a packaging member, and two electrodes. The circuit layer, the separating wall, and the electrodes are disposed on the substrate. A portion of the substrate corresponding to each driving unit is provided with an LED area and an electronic component area defined by the separating wall. The LED driving component is disposed on a portion of the circuit layer arranged in the electronic component area. The packaging member is formed on the electronic component area to entirely cover the LED driving component. A portion of the circuit layer arranged in the LED bonding area is used to bond to an LED chip, and the separating wall is configured to separate the LED chip and the LED driving component.

Abstract: A hybrid light tower provides a way to connect a light tower to one of a shore power connection, such as 120V AC or a generator supported by a housing on an axle through a relay. Some embodiments also may have a solar panel and/or batteries for providing electrical power to LED lights of the light tower which require significantly less electrical power than prior art designs. Some embodiments may not have generators, but many will.

Abstract: Disclosed are a light emitting device package and a light unit having the same. The light emitting device package includes a ceramic substrate; a light emitting device on the ceramic substrate; a first light-transmissive resin layer on the ceramic substrate to cover the light emitting device; and a phosphor layer on the first light-transmissive resin layer.

Abstract: A LED lamp is disclosed which has a plurality of light unit, each of the light unit has at least one flat metal lead for heat dissipation and the lower part of the metal lead is mounted on a heat sink for a further heat dissipation.

Abstract: A lighting module may be provided that includes: a light emitter; a clad metal substrate which is disposed under the light emitter; an insulating structure which insulates the light emitter from the clad metal substrate; an optical structure which is disposed on the light emitter; and a case which is disposed on the optical structure and is coupled to the clad metal substrate, wherein the light emitter includes a semiconductor based light emitting device.

Abstract: An LED lighting fixture including a housing and an LED assembly secured with respect to the housing to permit air/water-flow over the LED assembly. The LED assembly includes a plurality of LED-array modules on an equal plurality of individual heat sinks. The housing defines an air gap permitting air/water-flow to and from the heat sinks.

Abstract: Underwater LED lights with enhanced cooling to allow the use of substantial numbers of high power LEDs. In all embodiments, the majority of the heat given off by the LEDs is transferred to the housing of the underwater light by heat transfer techniques other than by convection of the air or other gases within the enclosure, providing direct heat conveyance from the LEDs to or through the light enclosure walls, by conduction through a thermal conductor or by or as augmented by heat pipes to the inside wall of the enclosure or through the wall of the enclosure to the water. Various embodiments are disclosed.

Abstract: An optical unit includes: a heat sink that radiates heat from a light source; and a base portion including a reflector mounting section, a lens mounting section and a connecting section connecting the reflector mounting section and the lens mounting section. The base portion is configured such that the light from the light source is reflected by a reflector mounted onto the reflector mounting section and is incident onto a projection lens mounted onto the lens mounting section. The heat sink is exposed to a space surrounded by the lens mounting section, the connecting section and the reflector mounting section.

Abstract: A lighting device comprises: a heat sink which comprises one surface and a receiving recess; a light emitting module which is disposed on the one surface of the heat sink and comprises a substrate and a plurality of light sources disposed on the substrate, wherein the substrate has a first hole disposed at the center thereof and a second hole; a power controller which is electrically connected to the light emitting module through the second hole of the substrate and is disposed in the receiving recess of the heat sink, wherein the light emitting module comprises a first light emitting module comprising a first substrate and a first light source, and a second light emitting module comprising a second substrate and a second light source, wherein the first substrate and the second substrate are disposed adjacent to each other.

Abstract: A sealed LED light module comprises a base plate, having at least one LED, and a cover providing a base plate support. The base plate is located on the cover to define an inner space which is sealed against the environment. For sealing the cover has at least one sidewall, which defines a trench together with at least one base plate support, and the trench holds a seal which interacts with at least one edge of the base plate and the surface of the trench to seal the inner space against the environment.

Abstract: A retrofit LED lighting system for replacement of existing metal halide lamp driven by magnetic ballast is provided. The retrofit lamp includes a circuit that converts the AC current supplied by magnetic ballast to DC current required for illuminating the LEDs.

Abstract: An LED lamp includes an LED assembly including a plurality of LEDs. The LED lamp includes a circular base plate in thermal communication with the LED assembly. The LED lamp includes an electrical module electrically coupled to the LED assembly and configured to supply power to the LED assembly. The LED lamp includes a lamp body coupled to and in thermal communication with the base plate at a first end and concealing at least a portion of the electrical module at a second end. The lamp body includes a substantially smooth surface extending from the base plate to the electrical module. The Led lamp includes an optic configured to disperse light generated by the LED assembly.

Abstract: A surface mount light (10) comprises a base assembly (12) and a first diffuser (14). The base assembly (12) includes (i) a housing body (25) having a base (16) and a side (18) that is coupled to the base (16), the base (16) being mountable on a surface (15); (ii) a light assembly (22) positioned substantially within the housing body (25), the light assembly (22) including one or more LED lights (34), wherein power is selectively provided to the light assembly (22) such that at least one of the one or more LED lights (34) directs light away from the base (16); and (iii) a first attachment member (40). The first diffuser (14) includes a second attachment member (42) that selectively engages the first attachment member (40) to selectively attach the first diffuser (14) to the base assembly (12) without damaging the base assembly (12) and the first diffuser (14).

Abstract: Described herein are hands-free vision aids that may be used for low-vision reading. These vision aids may be beneficial for individuals with low-vision disorders such as age-related macular degeneration, retinitis pigmentosa, and other visual disorders. The vision aids described here comprise an optical system with one or more light sources configured to provide a rectangular field of illumination with high illuminance levels bounded by high contrast perimeter. Such an illumination field greatly illuminates a targeted viewing region while reducing glare that arises from illuminating peripheral regions. Some vision aids use green light with high illuminance values for improving visual acuity and comfort for long-duration reading. The optical system of a vision aid may be configured to fit onto and/or integrate with eyeglass frames.

Abstract: An illumination module includes a plurality of Light Emitting Diodes (LEDs). The illumination module may include a reflective color converting element with a PTFE layer and a color converting layer fixed to the PTFE layer. The color converting layer includes phosphor particles embedded in a polymer matrix and has a thickness that is less than five times an average diameter of the phosphor particles. The illumination module may include a transmissive color converting element. The color converting elements may be produced by mixing a polymer binder with a solvent and phosphor particles to form a homogeneous suspension of the phosphor particles. The homogeneous suspension is applied to a surface to form an uncured color converting layer, which is heated to vaporize the solvent. The cured color converting layer includes the phosphor particles suspended in the polymer binder.

Abstract: An LED light bulb system that has a socket base and a contactor arranged in the socket base. The light bulb system also has a support circuit board secured to the socket base and a plurality of circuit boards connected to the support circuit board in a vertical direction. The light bulb also uses at least one resistor on each of the plurality of circuit boards to operate the LED.

Abstract: An illumination system includes an illumination base. The illumination base has two common lines, a plurality of parallel branching lines extending between the common lines respectively, and a plurality of sockets disposed on the branching lines. The same number of sockets are disposed on each branching line, and the sockets are connected in series. The illumination system also includes light source elements. Each light source element has a first plug portion to be received in one of the sockets, and an LED lamp to be electrically connected to the illumination base when the first plug portion is received in the associated socket. The illumination system also includes resistor elements. Each resistor element has a second plug portion to be received in one of the sockets, and a resistor to be electrically connected to the illumination base when the second plug portion is received in the associated socket.

Abstract: Disclosed are a manufacturing method for a support substrate (14), and an LED display device. The support substrate (14) is made of a carbon fibre material. The manufacturing method for the support substrate (14) comprises the steps of: S1: preparing a carbon fibre prepreg fabric; S2: preparing a support substrate (14) sheet; S3: pre-forming; and S4: molding. The LED display device comprises at least one cellular LED display screen (1), and the cellular LED display screen (1) comprises a support substrate (14) manufactured using the abovementioned method. The cellular LED display screen (1) comprises an LED display module, the support substrate (14), a control plate and a back cover (16). The LED display module comprises a face guard (11), a lamp plate (12) and a backing plate (13).

Abstract: A globular illuminant device includes a hemispherical carrier, a circuit layer, a plurality of LED dies, an enclosure resin, and a hemispherical cover. The hemispherical carrier includes a carrying surface, a first cambered surface, and a first protrusion including a first surface. The circuit layer is placed on the first surface and the carrying surface. The LED dies are electrically connected to the circuit layer. The enclosure resin covers the LED dies. The hemispherical cover includes a joining surface, a second cambered surface, and a recess formed on the joining surface and concave toward second cambered surface. The hemispherical cover is assembled with the hemispherical carrier such that the joining surface is in contacted with the carrying surface while the LED dies and the enclosure resin are disposed within the recess.

Abstract: An outdoor overhead lamp assembly uses light emitting diodes to provide illumination for an area to be illuminated. The lamp assembly includes a unitary housing, which may be formed from a single casting. The housing includes mechanical mounting structure for mounting the housing to a mast arm. The housing includes an electrical compartment for housing electrical components and connections. Heat sink fins are formed on the integral housing that provide for thermal control of the electronic components and LED modules within the lamp assembly. The LED modules are mounted to aiming platforms within an optical compartment for the assembly. An external lens provides environmental protection for the LEDs and their individual lenses. The housing may also include structures for mounting decorative coverings or “skins” to accommodate different aesthetic requirements.

Abstract: Systems and methods permit use of efficient solid state emitters for broad spectrum continuous spectrum lighting defined by illumination data. The illumination data, which can be sold as a commercial product, can be recorded or authored and include spectral, temporal, and spatial information. Intensities of individual emitters such as LEDs can be controlled through a combination of pulse width modulation (PWM) and amplitude modulation (AM) of drive currents. The combination of PWM and AM permits fine tuning of the spectrum of emissions and creation of free space optical data channels.

Abstract: An LED light source device capable of making the amount of light of an emitting region a predetermined amount of light or more and uniformizing the amount of light is provided. The LED light source device 1 includes an ultraviolet LED array 3 including an LED juxtaposition region R in which LEDs 10 that emit ultraviolet light toward the front are juxtaposed, and a light transmitting member 4 provided on the front side of the LED juxtaposition region R of the ultraviolet LED array 3 so as to be opposed thereto, showing a rectangular parallelepiped outer shape, and formed of a material containing quartz. At a front surface 10a of the LED 10, an emitting surface S surrounded by a marginal portion 11 of a predetermined width H and for emitting the ultraviolet light is provided.

Abstract: An LED apparatus of the type including (a) a mounting board having an LED-supporting surface with an LED device thereon and (b) a lens member over the LED device establishing a light path therebetween. The inventive LED apparatus includes a lens-aligning member having front and back surfaces. The lens member includes a lens portion and a flange thereabout, the flange being attached to the front surface of the lens-aligning member such that the lens portion substantially surrounds the protruding LED device. The lens-aligning member has a first mating feature which is positioned and arranged for mating engagement with a second mating feature of the mounting board, thereby accurately aligning the lens member over the LED device by accurately aligning the lens-alignment member with the mounting board. Other aspects of the invention is a method for assembly of an LED apparatus and a method for manufacturing custom high-efficiency LED lensing for LED-array modules.

Abstract: A light emitting diode (LED) component includes a base having a main body and a wiring pattern. The main body defines an axis and includes two connecting surfaces respectively located at two opposite sides thereof, and a plurality of interconnected mounting surfaces surrounding the axis and connected between the connecting surfaces. The wiring pattern is at least disposed on the mounting surfaces and includes electrically insulated anode and cathode. A plurality of light emitting diode (LED) chips are disposed on the mounting surfaces. Each LED chip is electrically connected to the anode and the cathode.

Abstract: An LED light fixture including a housing and an LED assembly secured with respect to the housing. The LED assembly includes a heat sink and an LED illuminator secured with respect to an LED-supporting region of the heat sink with heat-dissipating surfaces extending therefrom. The heat sink having front, rear and lateral sides and being open to ambient-fluid flow to and from the heat-dissipating surfaces along each of the sides.

Abstract: A luminaire includes a base, a light-emitting unit, and a lamp cover. The base includes a first tube part, a second tube part having an inner diameter smaller than that of the first tube part, and a joint part connected between the first and second tube parts. An inner flow path is defined by at least the first tube part, the joint part, and the second tube part in a coaxial manner. The lamp cover is fixed on the base for covering the light-emitting unit. As such, air heated by the light-emitting unit flows out of the inner flow path to thereby allow cold air to be sucked into the inner flow path.

Abstract: A LED light emitting group (1) apt to produce an outgoing light beam having its own optical axis (8) is equipped with a plurality of LEDs (18), distributed on a plate-shaped body (13) and having a fixed central plane portion (14) orthogonal to the optical axis (8) and a crown (13) of peripheral plane portions (16) tilted with respect to the central plane portion (14) and converging the one towards the other one and towards the central plane portion (14) and the optical axis (8); each one of said plane portions (14, 16) carrying a plurality of said LEDs (18).

Abstract: A LED bulb includes a transparent bulb base, a transparent bulb shell, a luminosity module, and a reflector. A bulb adapter is mounted on a lower end of the bulb base. A chamber is defined by the bulb base and the bulb shell, and a driver is mounted in the chamber. The luminosity module mounted in the chamber includes several LEDs and is electrically connected with the driver to allow the LEDs to be driven to project light towards the lower end of the bulb base. The reflector mounted in the chamber and located between the luminosity module and the bulb adapter can reflect light projected toward the lower end of the bulb base by the LEDs for generation of projected sidelight. The LED bulb can promote edge-emitting light which is amplified by downward projected light from the LEDs and rays reflected by the reflector.

Abstract: A mounting support for solid-state light radiation sources and for drive circuitry associated therewith may include a printed circuit board having a mounting surface for the light radiation sources, the printed circuit board having at least one through hole extending through it, and at least one electrical component of the drive circuitry inserted in the at least one hole.