Abstract: An exemplary printable composition of a liquid or gel suspension of diodes generally includes a plurality of diodes, a first solvent and/or a viscosity modifier. An exemplary apparatus may include: a plurality of diodes; at least a trace amount of a first solvent; and a polymeric or resin film at least partially surrounding each diode of the plurality of diodes. Various exemplary diodes have a lateral dimension between about 10 to 50 microns and about 5 to 25 microns in height. Other embodiments may also include a plurality of substantially chemically inert particles having a range of sizes between about 10 to about 50 microns.

Abstract: A system comprising track-mounted luminaires and track. In some embodiments, electrical power for illumination is accessed by a luminaire through electrified railing recessed within a relatively narrow slot of the track. In some embodiments, a mount is provided separately from and/or additional to the power slot; for example, a magnetic mount. Optionally luminaires are orientable to select a direction of illumination, while secured by the magnetic mount. The track is optionally mounted flush and/or recessed with a mounting surface such as a ceiling and/or wall. In some embodiments, a recessed surface of the track is formed with an arc. Optionally luminaires conform with the curvature of the arc. Additionally or alternatively, the track is at least partially masked and/or decorated, for example by plastering and/or a face plate.

Abstract: According to an embodiment of the present technology, there is provided a bulb-type light source apparatus including a light source unit, a translucent cover, and a base unit. The translucent cover includes a first area including a convex lens function and a second area including a concave lens function. The base unit supports the light source unit and the translucent cover such that the second area is positioned closer to the light source unit than the first area.

Abstract: A bidirectional light sheet including at least first and second arrays of bare LED chips having top and bottom electrodes, where the arrays of LEDs are sandwiched between at least two transparent substrates having conductors bonded to the electrodes without wires, forming light sheets to emit light from opposite surfaces of the light sheet to create a bidirectional light sheet. The light sheet may be suspended from a ceiling to be non-parallel to the ceiling A reflector or a plurality of lenses may be included in the light sheet to emit light at any peak intensity angle to achieve a predetermined light emission pattern.

Abstract: A lighting system includes a plurality of micro-module cells that each have independent functionality. The micro-module cells include a first micro-module cell configured to supply power for the lighting system, and a second micro-module cell including a solid-state lighting source configured to emit light responsive to the supplied power from the first micro-module cell. A first connector cell is configured to detachably connect the second micro-module cell to the first micro-module cell, and provide electrical connection between the first and second micro-module cells.

Abstract: There is disclosed magnetic connectors and electronic devices including such connectors. A connector may include a magnet rotatable about at least one axis of the magnet; wherein the magnet rotates to magnetically engage a magnet of another connector to form an electrical connection between the two magnets. A connector may also include a cylindrical magnet to magnetically engage a magnet of another connector; and a sleeve wrapped around at least part of the magnet, the sleeve comprising a contact for forming an electrical connection with a contact on the other connector. A connector may be adapted for selective connection with other connectors. A connector may be adapted such that a moveable magnet may move between an engaged position proximate a contacting surface of the connector and a disengaged position recessed from a contacting surface, wherein the moveable magnet is biased to the disengaged position.

Abstract: Disclosed herein are an astral lamp device having detachable and angle-controllable LED module blocks and a method of setting the same. The astral lamp device having detachable and angle-controllable LED module blocks, includes a plurality of LED module blocks having one end attached to and disposed on a central frame; and an angle control part configured to control an angle of the LED module block attached to the central frame.

Abstract: A stack unit is provided for a signal indicator lamp including a plurality of such stack units stacked in a stacking direction. The stack unit includes an outer member, an inner member provided in a first internal space of the outer member, a support portion provided on the outer member, a board held in a second internal space of the inner member, and a first connector and a second connector for external electrical connection. The support portion supports the inner member so that the inner member is rotatable relative to the outer member about a rotation axis extending in the stacking direction and immovable relative to the outer member in the stacking direction. The first connector is provided at one end of the board with respect to the stacking direction, and the second connector is provided at an other end of the board.

Abstract: A light source comprising: (a) An LED source comprising at least one LED emitting an LED emission and at least one wavelength-converting material configured to convert a fraction of the LED emission, the LED source emitting a primary SPD; and (b) at least one optical element configured to interact with the primary SPD to remove radiation in the primary SPD, such that a final SPD is emitted from the light source; wherein a fraction of the primary SPD in the wavelength range 430-500 nm is less than 5%; and a fraction of the final SPD in the wavelength range 430-500 nm is less than 1%.

Abstract: A lighting device, notably for motor vehicles, including two so-called principal light guides and a so-called connecting light guide, each principal guide including a lateral surface, the connecting guide being continuous with both of the principal guides at the level of their respective lateral surface, the device being configured to feed the connecting guide with light from the principal guides. The invention further concerns a lighting module including such a device.

Abstract: A stack unit is provided for a signal indicator lamp including a plurality of such stack units stacked in a stacking direction. The stack unit includes an outer member, an inner member provided in a first internal space of the outer member, a support portion provided on the outer member, a board held in a second internal space of the inner member, and a first connector and a second connector for external electrical connection. The support portion supports the inner member so that the inner member is rotatable relative to the outer member about a rotation axis extending in the stacking direction and immovable relative to the outer member in the stacking direction. The first connector is provided at one end of the board with respect to the stacking direction, and the second connector is provided at an other end of the board.

Abstract: Light indicator, which comprises: a support body provided with a support face on which a light source is mounted that is provided with a light emission axis, an optical lens which is placed to cover the support face and comprises a collimation portion placed to intercept the light emission axis of the light source, and an attachment portion projectingly extended around the collimation portion, integrally made with such collimation portion (9), and sealingly fixed to the support body.

Abstract: An illumination system that includes a light source device and an algorithm unit is provided. The light source includes a color temperature adjustable light source. The algorithm unit is coupled to the light source device and outputs a control signal to the light source device according to a reflection spectrum of an object, a visual color matching function, a visual preference correction function, or a combination of the above. The light source device outputs an illumination beam according to the control signal, so as to develop target visual perception of the object while the object is being irradiated by the illumination beam. A method for developing target visual perception of an object is also provided.

Abstract: A system for providing spatially and temporally smooth occupancy lighting includes a sensor and a controller. The sensor is configured to determine a precise location of the occupant. The controller determines a number of lighting fixtures that are relevant to the location of the occupant. The light output of the lighting fixtures is controlled by the controller using a function that varies the light output depending on the location of the occupant. The function can change the light output based upon a distance between the occupant and the one or more lighting fixtures. For example, the function can increase the light output as the occupant moves closer to a fixture, and likewise decrease the light output as the occupant moves away from a fixture. In another example, the function can maintain a target illuminance at a particular spot within the space or an overall illuminance for all lighting fixtures.

Abstract: A lighting device may be provided that includes: a heat sink which includes a top surface and a member which has a side and is disposed on the top surface; a light source which includes a substrate disposed on the side of the member and light emitting devices disposed on the substrate, and has a reference point; and a cover which is coupled to the heat sink and includes an upper portion and a lower portion, which are divided by an imaginary plane passing through the reference point and being parallel with the top surface of the heat sink, wherein a distance from the reference point of the light source to the upper portion of the cover is larger than a distance from the reference point of the light source to the lower portion of the cover.

Abstract: A light emitting diode (LED) lamp with at least one speaker is provided. The LED lamp includes a lamp base, a lamp cup installed on the lamp base, and a lamp socket installed under the lamp base. The LED lamp also includes a lamp plate installed on a top surface of the lamp cup, and a plurality of LEDs, set on the lamp plate, configured to emit light. Further, the LED lamp includes the at least one speaker, set at an outer surface of the lamp cup, configured to play audio signals. The top surface of the lamp cup including the lamp plate and the outer surface of the lamp cup including the at least one speaker are not coplanar.

Abstract: An optical element includes a lens includes a surface of incidence on which light is incident from a light source, a first optical surface recessed toward the light source, and a second optical surface extending from the first optical surface, and a cover arranged on the lens to cover at least a part of the first optical surface.

Abstract: An LED tube lamp including a lamp tube, an end cap attached to an end of the lamp tube, a power supply disposed in the end cap, and an LED light bar disposed inside the lamp tube. The LED light bar is mounted with LED light sources which are electrically connected to the power supply by way of the LED light bar. The LED light bar includes a bendable circuit sheet which is longer than the lamp tube. A soldering pad is configured and disposed at an end of the bendable circuit sheet. The soldering pad is formed with a through-hole or a notch to allow tin solder to pass through when soldering such that the bendable circuit sheet can be directly soldered and electrically connected to the power supply.

Abstract: A lighting device (1) that includes a light transmissive tube (2), a support (4) to which a series of light emitting elements (7) are mounted and a connector (5) for connecting the light emitting elements to a power source. The support (4) is formed of a planar resilient material twisted or wound into a spiral or helix and received within and constrained by an inner circumferential surface of the tube (2) such that it is mounted directly to and/or in interference fit with the tube (2).

Abstract: A light source (10) comprises a light engine (16), a base (24), a power conversion circuit (30) and an enclosure (22). The light engine (16) comprises at least one LED (12) disposed on a platform (14). The platform (14) is adapted to directly mate with the base (24) which a standard incandescent bulb light base. Phosphor (44) receives the light generated by the at least one LED (12) and converts it to visible light. The enclosure (22) has a shape of a standard incandescent lamp.

Abstract: A bidirectional light sheet including at least first and second arrays of bare LED chips having top and bottom electrodes, where the arrays of LEDs are sandwiched between at least two transparent substrates having conductors bonded to the electrodes without wires, forming light sheets to emit light from opposite surfaces of the light sheet to create a bidirectional light sheet. The light sheet may be suspended from a ceiling to be non-parallel to the ceiling A reflector or a plurality of lenses may be included in the light sheet to emit light at any peak intensity angle to achieve a predetermined light emission pattern.

Abstract: According to one implementation an assembly is provided that includes an end emitting optical that is configured to end emit bacterial disinfecting light. A portion of the length of the end emitting optical fiber resides in a lumen of a body. The body has an internal disinfecting target area. The end emitted bacterial disinfecting light is configured to impinge on one or more surfaces disposed on or in the body, the one or more surfaces being configured to alter the trajectory of the bacterial disinfecting light so that the bacterial disinfecting light is directed toward the disinfecting target area via a designated disinfecting light pathway.

Abstract: The invention relates to a housing (1) for an electrical device wherein an inner surface (2) of said housing has a conductive pattern (3) providing at least one conductive track, said track being arranged to provide local electric interconnection from the housing to at least one enclosed electrical component of said electrical device and/or vice versa, wherein the conductive pattern is fixedly fastened to said inner surface (2) of said housing so that said conductive pattern will break if the housing wall is broken where the conductive pattern is fastened.

Abstract: An air cooled horticulture lamp fixture for growing plants in confined indoor spaces. The fixture seals the lamp and heat generated by the same to a reflector interior. Flow disruptors create turbulence in a cooling chamber thereby enhancing thermal transfer into a cooling air stream that flows over and around the reflector's exterior side thereby convectively cooling the lamp using the reflector as a heat sink. The lamp is effectively maintained at operational temperatures and the fixture housing is insulated from the hotter reflector by a gap of moving cooling air, allowing improved efficiencies of the lamp bulb in confined indoor growing spaces.

Abstract: A luminaire is provided for use in determining an orientation of a camera based on an image of the luminaire captured by the camera. The luminaire comprises a light source having an on state in which it emits light and an off state in which it does not emit light, and being of a shape having a symmetry in the off state. The luminaire also comprises a controller configured to control the light source to emit said light in the on state with a lighting effect that breaks said symmetry. A device comprising receives an image of the light source from a camera, and determines an orientation of the camera relative to the light source by performing a geometric perspective calculation based on the image of the light source. An ambiguity in the orientation is resolved by detecting the asymmetry in the light emitted by the light source.

Abstract: A modular LED grow light system is provided that includes one or more LED grow light modules. Each of the LED grow light modules includes one or more connecting ports and an LED. The one or more connecting ports are configured to connect to another LED grow light module. A power source is connected to one of the connecting ports of the one or more LED grow light modules. The LEDs of the one or more LED grow light modules provide light to a portion of a plant.

Abstract: A structured light generation device includes at least two laser diode structured light modules. The at least two laser diode structured light modules are arranged side by side or in association. Each at least two laser diode structured light module includes a laser diode, a circuit board and a lens unit. The lens unit includes a structured light generation component. After plural laser structured light beams emitted by each laser diodes pass through the corresponding lens unit, a structure light pattern is generated.

Abstract: A rear lamp for a vehicle may have a light source module capable of simultaneously implementing functions of a tail lamp and a brake lamp in one lighting region, the light source module including a plurality of light emitting diode (LED) light sources for the tail lamp, a plurality of separation printed circuit boards (PCBs) for the tail lamp controlling current supply into the plurality of LED light sources, a pattern film for the tail lamp having an optic formed to implement three-dimensional emitting images with a desired pattern using light of the plurality of LED light sources, an optical resin stacked on the pattern film and uniformly transferring the light of the plurality of LED light sources across the entire section of the pattern film, and an LED light source for the brake lamp.

Abstract: A vehicular lamp unit has a substrate, a light source having a first light-emitting element and a second light-emitting element disposed on the substrate, and an optical element having the light source attached thereto. The substrate is long in a first direction. The optical element radiates emitted light of the first and second light-emitting elements toward a front of the vehicular lamp unit, with a desired light distribution. A reference portion serving as a positioning reference for the optical element is provided in a part of the substrate. The first and second light-emitting elements are arranged in the first direction. The first light-emitting element illuminates an area having high light intensity of the light distribution. The second light-emitting element illuminates an area having low light intensity of the light distribution. The first light-emitting element is mounted at a position closer to the reference portion in the first direction than the second light-emitting element.

Abstract: A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.

Abstract: An LED light source performance compensation apparatus and a white-light LED light-emitting device. The LED light source performance compensation apparatus comprises: a light transmissive supporting member (101), wherein the light transmissive supporting member (101) is provided with a light performance parameter regulation member (102); and after secondary light of which the wavelength is 380 nm-780 nm and which is emitted by an LED light source (103) passes through the performance compensation apparatus, light performance parameters are adjusted. The LED light source performance compensation apparatus can effectively regulate the light performance parameters of the LED light source, thereby remedying the defects of the secondary light emitted by an existing finished LED light source in terms of light performance parameters.

Abstract: An illumination device includes a first light source and a second light source, a sensor, and a controller. The controller repeats a plurality of operation cycles, one operation cycle being a set of a first period in which only a detection target light source is caused to emit light and a second period in which the first light source and the second light source are caused to emit light. The sensor outputs detection values of detected light amounts in the first period. The controller controls the light source such that light amount of the light source fall in a target range, based on a detection result that corresponds to a value corresponding to the detection values of the light amount detected a predetermined number of times.

Abstract: A device for housing electronics and optics at the leading edge of a fire suppression operation. The device can be attached to a fire hose, water discharge outlet on a fire engine/ladder truck. The device can enhance fire ground visibility by means of a lighting source, enhance fire ground communication by means of a video monitoring source, enhance operation using infrared thermal imaging and enhance fire fighter safety by means of an atmospheric/biological metering/monitoring/warning source. All of these enhancements are preferably contained in one, unit with the ability to be deployed anywhere on the fire scene.

Abstract: An LED tube lamp includes a glass tube, two end caps, a power supply, and an LED light strip. The glass tube includes a main body region, two rear end regions, and two transition regions connecting the main body region and the rear end regions. The end cap is disposed at one end of the glass tube and the power supply is provided inside the end cap. The LED light strip is disposed inside the glass tube and has LED light sources disposed thereon. The LED light strip includes a bendable circuit sheet mounted on inner surface of the glass tube. The bendable circuit sheet of the LED light strip is formed with a freely extending end portion at one end, and the freely extending end portion is electrically connected to the power supply. The glass tube and the end cap are secured by a hot melt adhesive.

Abstract: A method for the arrangement of a retaining ring (10) for holding a light source in the opening (11) of a reflector (12) for a vehicle headlamp. The retaining ring (10) extends in a plane and is arranged on the back side flush with the opening (11) on the reflector (12). For the arrangement of the retaining ring (10) of the reflector (12), a molded retainer part (13) is arranged on the reflector (12) and a recess (14) is formed in the retaining ring (10). The retaining ring (10) is placed on the reflector (12), so that the molded retainer part (13) is guided through the recess (14), after which the retaining ring (10) is turned in the plane of its extent about the molded retainer part (13), so that the retaining ring (10) clamps on the molded retainer part (13).

Abstract: An illumination device may include a body having twelve sides, the body being formed by a first body portion including six sides of the twelve sides, and a second body portion including six sides of the twelve sides. The first body portion and the second body portion may be coupled to one another at a first interface and at a second interface disposed radially inward of the first interface, wherein the first interface may be positioned in a plurality of planes, and wherein the second interface may be positioned in a single plane. At least a portion of each of the twelve sides may include a transparent window. The illumination device may include a resilient cover disposed around the body.

Abstract: A multiple cable disconnect includes a housing having a separable mating end and a wire terminating end configured to receive wires of power cables. The housing has a plurality of terminal chambers with terminals therein. The terminals each have a base, a mating contact extending from the base and a wire contact extending from the base. The mating contact has a mating pad defining a separable mating interface for the terminal for mating with a corresponding mating terminal of the mating connector. The wire contact has plural wire interfaces for mating with plural wires such that plural wires are configured to be terminated to and commoned with each terminal. Wire retention springs are received in the housing each having at least one spring arm defining a wire trap with the corresponding wire contact. The spring arms are releasable to release the wires from the housing.

Abstract: An integrated circuit (IC) package has a base, side walls mechanically connected to the base, IC dies respectively mounted on inner surfaces of the side walls or the base, and electrical connections connecting a corresponding IC die to another component of the IC package. In one embodiment, each die is electrically connected to only bond pads on its corresponding side wall or base. Each such side wall and the base have routing structures (e.g., copper traces) that connect each bond pad to another component of the IC package. The IC package is assembled using a flexible substrate that has side regions that rotate relative to the base such that the routing structures do not break. By connecting an IC die only to bond pads on its corresponding side wall or base with bond wires, the bond wires will not break during side-wall rotation.

Abstract: A lighting module including an electronic board adapted to accommodate a plurality of light emitting diodes (LEDs) is provided. The lighting module includes a metallic base having cavities adapted to receive adapters. The adapters include a connector body provided with: a) means adapted to accommodate electrical contacts for interconnection to the electronic board; b) means adapted to accommodate gaskets for shielding the contacts; and c) means for the mechanical locking of the adapters on the module.

Abstract: A thermal isolation arrangement for an LED lamp is disclosed. Embodiments of the invention provide thermal isolation between the power supply and the LED assembly of an LED lamp, in most cases allowing the power supply to operate in a lower temperature range than would otherwise be possible. At least one contact feature is provided between the power supply and the LED assembly to maintain a thermal transfer gap between the power supply and the LED assembly. A contact feature can be, for example, a triangular ridge or a conical protrusion. In some embodiments, a thermal isolation device provides the contact feature or contact features. An LED lamp according to example embodiments of the invention can have a modular design and/or can include an Edison base and/or an optical element or optical elements disposed to emit light from the LED lamp.

Abstract: Embodiments of the invention include a luminaire that includes a plurality of different light engines. Light engines having different light distributions can be included in a single luminaire and a subset of the light engines selectively driven to dynamically change the light distribution of the luminaire. In this way, a single luminaire is capable of illuminating an area with a variety of different light distributions.

Abstract: A modular lighting system may include a support structure, a plurality of heat sink modules physically supported by the support structure, and one or more light source modules coupled to the plurality of heat sink modules. The plurality of heat sink modules may be arranged in a modular manner such that the heat sink modules in the modular lighting system is variable, and each heat sink module may be an integral molded structure defining at least one opening or passageway.

Abstract: Systems and apparatuses are provided in which outlets are coupled to a power distribution unit (PDU) or PDU module in various configurations. The outlets may be coupled to a recessed surface within a PDU housing. The outlets may be coupled to a printed circuit board that is at least partially disposed within the PDU housing. The outlets may extend away from the recessed surface or printed circuit board towards or beyond a front face of the PDU housing.

Abstract: A light-emitting device module can include a plurality of light-emitting devices arranged in line so as to form a luminance distribution for preventing horizontal stripes from being generated in a light distribution pattern. The light-emitting device can include a rectangular light-transmitting substrate, an underlayer semiconductor layer formed on the rectangular light-transmitting substrate, a plurality of first electrodes formed on the underlayer semiconductor layer in an island shape, a light-emitting semiconductor layer including a light-emitting layer formed on the underlayer semiconductor layer, the light-emitting semiconductor layer configured to surround and separate the respective first electrodes, and a second electrode formed on the light-emitting semiconductor layer. The first electrodes can be arranged to form a plurality of electrode rows parallel with one side of the rectangular light-transmitting substrate.

Abstract: An LED tube lamp including a glass lamp tube, an LED light strip disposed inside the glass lamp tube, and an end cap attached over an end of glass lamp tube is disclosed. The glass lamp tube is covered by a heat shrink sleeve. The inner surface of the glass lamp tube is formed with a rough surface or a light scattering region. The glass lamp tube includes a main body region, a rear end region, and a two-arc-shaped transition region connecting the main body region and the rear end region. The LED light strip includes a bendable circuit sheet being longer than the glass lamp tube to form a freely extending end portion.

Abstract: An artificial tree that includes a first trunk body having a first elongated projection that extends axially from a first end toward a second end and forms a first keyway; a first electrical connector anchored within the first end of the first trunk body; a second trunk body, including a second elongated projection that extends axially, the second elongated projection forming a second keyway, the second elongated projection configured to be received by the first keyway; and a second electrical connector anchored within a first end of the second trunk body. The second elongated projection is received by the first keyway, and first and second electrical terminals of the first electrical connector make electrical connection with first and second electrical terminals of the second electrical connector, when the first end of the first trunk body is coupled to the first end of the second trunk body.

Abstract: A lighting control system includes a plurality of light sources, a plurality of light source drivers, each of the light source drivers being configured to adjust a light emission intensity of an associated one of the light sources in at least two levels, and an integrated controller configured to control the light source drivers to control conditions of the light sources in an integrated manner. The integrated controller is configured to control the light source drivers to execute a light intensity transition of reducing the light emission intensity from a first light intensity level to a second light intensity level that is lower than the first light intensity level with respect to each of the light sources such that a timing at which the light intensity transition ends is substantially the same for each of the light sources.

Abstract: A lighting device may be provided that includes: a heat sink which includes a top surface and a member which has a side and is disposed on the top surface; a light source which includes a substrate disposed on the side of the member and light emitting devices disposed on the substrate, and has a reference point; and a cover which is coupled to the heat sink and includes an upper portion and a lower portion, which are divided by an imaginary plane passing through the reference point and being parallel with the top surface of the heat sink, wherein a distance from the reference point of the light source to the upper portion of the cover is larger than a distance from the reference point of the light source to the lower portion of the cover.

Abstract: A light source apparatus is designed in accordance with an object, and following elements and phosphors are disposed in a casing, a first light emitting element that emits a light in a first irradiation mode, which is selected so that a light emission band has a portion that overlaps a first-specific-band, a first phosphor selected so as to include the first-specific-band in an excitation band and include a second-specific-band in a fluorescence-emission-band, a second phosphor selected so that an excitation intensity compared with the first phosphor is low in the first-specific-band, and high in a second-fluorescence-excitation-band at a short wavelength side in a second-irradiation-band and a fluorescence-emission-band includes the second-irradiation-band other than the second-fluorescence-excitation-band, and a second light emitting element that emits a light in a second irradiation mode, which is selected so that a light emission band is included in the second-fluorescence-excitation-band.

Abstract: A motor vehicle taillight (10) has at least a rear position light function, a turn signal light function, and a brake light function. The rear position light function and the turn signal light function are formed by a common first optical waveguide (15) and by first LED light sources (16, 17) that inject light into the first optical waveguide (15). The brake light function is formed by at least two second optical waveguides (23) and by second LED light sources (24) that inject light into the optical waveguides (23). The second optical waveguides (23) border the first optical waveguide (15) on at least two sides.