Abstract: Illumination device having a viscoelastic lightguide and a flexible light source is described. The flexible light source includes a plurality of electrically inter-connected light emitting diodes disposed on a flexible mat and optically coupled to the viscoelastic lightguide.

Abstract: An apparatus mounted on a vehicle to protect a passenger using a graphic light projection includes a first detection unit configured to detect an opening of a vehicle door, a second detection unit configured to detect a boarding of a boarding person or an alighting of an alighting person, a side step driving unit configured to drive an intelligent side step, a light projection unit configured to project a boarding protection light or an alighting protection light, and a control unit configured to control the side step driving unit to pull out the intelligent side step set within the vehicle when the first detection unit detects the opening of the vehicle door and configured to control the light projection unit to project the alighting protection light when the second detection unit detects the alighting of the alighting person.

Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.

Abstract: A vacuum tube optimization circuit can automatically ensuring that the preheating required for the thermionic effect to occur within the vacuum tubes within a vacuum tube device, has been sufficient to allow the vacuum tubes to reach their operating temperatures, before allowing signal voltage or current to be applied to their anodes, cathodes, and/or other thermionically-active components. This reduces the diffusion of component-specific surface material coatings onto the surfaces of other internal elements within the vacuum tube, functioning to extend the service life of the vacuum tubes.

Abstract: A light-emitting component arrangement may include at least one flexible printed circuit board, at least one light-emitting component coupled to the flexible printed circuit board, at least one electromechanical connecting part, wherein the connecting part is mechanically fixed to the flexible printed circuit board and is electrically coupled to the light-emitting component, and wherein the connecting part has an electromechanical connection for mechanically and electrically connecting a connecting element which is external to the printed circuit board.

Abstract: A backlight unit uses conductive, chemically toughened glass as substrate and includes a diffusion layer, a light guide layer, an optical microstructure layer, a transparent layer, a reflective layer and a light source module. The integrally formed backlight unit is fabricated using photochemical lithography, printing-coating, and ultrasonic hot melt adhesion processes.

Abstract: An LED lighting system is provided for connection to a variable power source providing input power, the LED lighting system having at least one power analyzing and processing circuitry connecting to the variable power source, and being configured to identify one or more characteristics of the input power, where the characteristics are selected from amplitude, frequency and pulse width of the input power, compare one or more of the characteristics of the input power to preset control criteria either in hardware or software or both to yield a comparison result, and then control the current control circuitry according to the comparison result.

Abstract: Control of lighting fixtures in a lighting network may be distributed among the lighting fixtures. The lighting fixtures may be broken into groups that are associated with different lighting zones. At least some of the lighting fixtures will have or be associated with one or more sensors. Within the overall lighting network or the various lighting zones, the lighting fixtures may share sensor data from their sensors. Each lighting fixture may process sensor data provided by its own sensor, a remote standalone sensor, or lighting fixture, and process the sensor data according to the lighting fixture's own internal logic to control operation of the lighting fixture. The lighting fixtures may also receive control input from other lighting fixtures, control nodes, light switches, and commissioning tools. The control input may be processed along with the sensor data according to the internal logic to further enhance control of the lighting fixture.

Abstract: Embodiments generally relate to heat pipes and methods for fabricating the same. In one embodiment, the heat pipe comprises a first section bonded to a second section such that a first channel is enclosed therebetween; and a liquid partly filling the first channel. The bonded first and second sections comprise a first area configured to be bonded to a heat-generating device and a second area configured to be bonded to a heat sink. The first channel is characterized by a first portion within the first area and a second portion within the second area. The liquid and at least one of the first section and the second section are transparent at a wavelength emitted by the heat-generating device.

Abstract: Packaged LED devices include a first lead having a first recess in a bottom surface, a second lead having a second recess in a bottom surface, a LED die located over a top surface of at least one of the leads and electrically connected to the leads, and a package located around the LED die, the first lead and the second lead. The package contains an opening in its upper surface exposing at least the LED die. The package also contains a first castellation and a second castellation in a side surface of the package, such that the first castellation exposes at least one of the first lead and a first platable metal which is electrically connected to the first lead, and the second castellation exposes at least one of the second lead and a second platable metal which is electrically connected to the second lead.

Abstract: Apparatus and systems for providing environmental lighting are disclosed. An environmental lighting assembly may include a structural element, which may be a tubular J-shaped element or other shape or structure, as well as an LED lighting engine assembly with a removable locking assembly for generating output light to streets, the ground, trees, or other surfaces, objects, or structures. A projection element may be positioned relative to the output light from the LEDs to generate patterns, images, or other controlled light output.

Abstract: The light-emitting device having an equivalent circuit, includes at least four terminals, numbered from first terminal to fourth terminal, for electrical power feeding; a first light-emitting diode, arranged between the first terminal and the second terminal, configured to not emit light when a voltage is applied between the second terminal and one of the third terminal and the fourth terminal, and configured to emit light when a. voltage is applied between the first terminal and one of the third terminal and the four the terminal; and a second light-emitting diode, arranged between the third terminal and the fourth terminal, and configured to not emit light when the voltage is applied between the third terminal and one of the first terminal and the second terminal and configured to emit light when a voltage is applied between the fourth terminal and one of the first terminal and the second terminal.

Abstract: A rotary lighting fixture having a speaker with a playback function is revealed herein, comprising a shell having an opening, a speaker fitted inside the shell, and an annular LED module having plural LEDs fitted at the opening of the shell for illumination and playback functions. In addition, the lighting fixture also combines with a power supply base with a rotary function embedded in a ceiling and a wall for substantially saving space in use thereof, promoting interior designs by its aesthetic appearance and adjusting angles of incidence from the LEDs as desired.

Abstract: A system for displaying information on a basketball court, boxing ring or other athletic surface. The system includes: a plurality of light arrays configured to be embedded in a top layer of the athletic surface and oriented to emit light upwards through the athletic surface; and a control system for selectively controlling activation of the light arrays to display advertising and other information in the athletic surface.

Abstract: An electric lamp (10) comprises: a plurality of electrically-powered light sources (such as LEDs 34); at least one electrical connector (35) electrically connected to the light sources; and a structure to which the light sources are mounted with different orientations and to which the connector(s) is/are mounted. The structure has the form of an open, three-dimensional arrangement of, preferably metallic, interconnected mounting portions (21) with gaps therebetween so that ambient air can pass through the gaps and circulate through the arrangement of mounting portions. The light sources are mounted in thermal contact with the mounting portions. The mounting portions are thermally conductive so that they can dissipate heat away from the light sources.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: A support rail for holding and supplying power to a plurality of lighting modules. The support rail has first conductors for forming a first power supply circuit and second conductors for forming a second power supply circuit. The support rail additionally has a converter unit for electrically coupling the second power supply circuit to the first power supply circuit. The second power supply circuit also has a first coupling element for electrically connecting a first lighting module and a second coupling element for electrically connecting a second lighting module. The result of this design of the second power supply circuit is that a single converter unit is sufficient for converting a voltage for supplying power to the two lighting modules. In this way a particularly cost-effective and compact construction of the support rail becomes possible.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as a light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: A lighting module (150) and a method (100) of manufacturing a lighting module, wherein the method comprises the steps of providing a heat sink material (120) in a fluid state and providing a light-source assembly (110) comprising a plurality of light sources (111) being electrically connected to a carrier (112), wherein each of the light sources has a light-emitting surface (113). The method further comprises the steps of embedding (130) the light-source assembly into the heat sink material such that the carrier and a part of each of the light sources are covered by the heat sink material while the light-emitting surface of each of the light sources is uncovered by the heat sink material, and solidifying (140) the heat sink material.

Abstract: Lighting devices are provided including those which have an array of spatially distributed optoelectronic sources, each source being adapted to emit a respective incident optical beam; a first reflector having an optical axis, and having a first reflective surface that is concave and facing the array of sources to intercept said incident optical beams and to produce corresponding reflected optical beams; a second reflector having a second reflective surface interposed along said optical axis between said array of optoelectronic sources and the first reflector adapted to intercept and deflect said reflected optical beams producing corresponding deflected optical beams, the first reflector being adapted to concentrate the reflected optical beams on the second reflective surface.

Abstract: A LED tube lamp includes a heat sink, a LED substrate, a pair of connectors, and a cover fixed to the heat sink. The cover includes a first cover and a second cover, at least one optical lens is arranged on the first cover, the at least one optical lens comprises a concave lens and reflective lenses arranged on both sides of the concave lens. The concave lens is configured to refract light beams from the LEDs in a forward direction or in an approximate forward direction, the reflective lenses are configured to reflect light beams from the LEDs in a lateral direction. After the light beams are refracted by the optical lens, the light divergence angle of the LED tube lamp is increased.

Abstract: A bulb-type LED lighting apparatus, including: a base unit; a heat dissipating space retaining unit; a cooling block connected to the heat dissipating space retaining unit and having heat pipe fitting holes and heat dissipating fins; first and second LED circuit boards having LED modules; a heat dissipating frame including heat exchanging plates, clip parts formed on cooling fins of the heat exchanging plates so as to hold heat pipes, cover locking slits for locking protective covers, and a circuit board seat for seating the first LED circuit board; a connection plate unit including pipe fitting slots, cover locking slits for fitting the protective covers, and shoulders for supporting the protective covers; and convective circulation passages defined between the heat exchanging plates so as to allow air to circulate between the heat exchanging plates and realize circulation of air between the inside and outside of the heat dissipating frame therethrough.

Abstract: A LED flashing lamp contains: a transparent housing, a cell disposed in the transparent housing, a trigger switch, a photoresistor, a controller, and at least one LED light element. The cell is connected with a power supply end of the controller, the trigger switch has a first end for connecting with a negative electrode of the cell and a second end for coupling with a signal input end of the controller via the photoresistor, the at least one LED light element is in connection with an output end of the controller.

Abstract: The present invention relates to a lighting device comprising a light concentrator device operatively associated with a light source comprising a plurality of LED devices.

Abstract: Included are a plurality of cylindrical holders having holes into which laser modules are fitted and fixed, respectively; a plate-like base that has a first surface, a second surface opposite to the first surface, and a plurality of through holes through which the laser beams from the plurality of laser modules fixed to the holder pass, the holders abutting against the first surface so as to connect the holes thereof to the through holes of the base, the second surface of the base being arranged with a plurality of lenses corresponding to the through holes; and adhesives applied to outer corners of abutment portions, at which the base and the LD holders abut against each other, for fixing the base and the LD holders to each other.

Abstract: A luminous panel includes at least two juxtaposed OLED devices that form a front face of the luminous panel and define two light-emitting zones separated by an intermediate zone, and a luminous joint forming mechanism that ensures, when the two OLED devices are in an on state, visual continuity between the intermediate zone and the two emitting zones, the luminous joint forming mechanism being located at a back of or flush with the front face of the panel.

Abstract: A convertible lighting fixture includes a first housing defining a first compartment, a second housing defining a second compartment and movably attached to the first housing, the second housing having a surface adjacent the first compartment. The lighting fixture further includes a mounting plate attached to the second housing and at least partially separating the second compartment from a third compartment, a light source mechanically attached to the mounting plate and electrically connected to a power source disposed within the first compartment, and a cover defining the third compartment and substantially surrounding the light source, the cover reversibly attached to the second housing opposite the first housing, where the first, second, and third compartments are arranged to thermally insulate the power source from the light source.

Abstract: Systems, apparatuses, and methods are provided that include alterable characteristics and such alterable characteristics may be coordinated. Such systems, apparatuses, and methods may include wearable apparatuses and such alterable characteristics may relate to illumination conditions or coating colors. In one example, a wearable apparatus includes an output device such as an illumination device or coating that may be manually manipulated between two different conditions. In another example, two wearable apparatuses may each include an output device such as an illumination device or a coating, and operation of the two illumination devices or coatings may be coordinated. In a further example, operation of an apparatus may be controlled by a third party or venue. Still another exemplary system may include a capturing device for capturing a characteristic of an object and controlling an output device of an apparatus to operate with the same characteristic as the captured characteristic.

Abstract: Lighting module mounted onto a C-shaped rail having a bottom wall and electrical lines extending along the rail includes a light source board having a first face carrying one or more light radiation sources and a second face carrying electrical contacts. A channel-shaped housing envelops the board and has a web wall for emitting the light radiation and two opposed side walls each facing one of the longitudinal edges of the board. Each of a pair of opposed guide members extends along one of the longitudinal edges of the board facing a corresponding side wall of the housing. Each of the guide members and the corresponding side wall of the housing have complementary, mutually cooperating, ramp-like surfaces to retain the light source board within the housing. Elastic members urge the board away from the web wall of the housing, whereby the complementary ramp-like surfaces are elastically urged against each other.

Abstract: A switch mode power supply controller provides power to a pair of light sources. The controller includes a low voltage programmable current source and adjusting elements for independently adjusting the current to the LED light sources. The controller also includes a first communication port for receiving a communication from an external device, such as a dimmer, or from another power supply controller; and a second communication port for sending a communication to a third power supply controller. These ports provide an upstream and downstream communication capability through a chain of controllers so that input from a device can be communicated upstream and downstream.

Abstract: A lighting device includes a substrate and a planar light source portion including a plurality of LED chips arrayed on the substrate. The planar light source portion faces an illumination space (space to be illuminated) by a predetermined opening area. The plurality of LED chips are arrayed on the substrate such that the mounting density with respect to the opening area is not less than 3/cm2, and accordingly, a planar light source is formed.

Abstract: Peritoneal dialysis systems and methods are provided by the present disclosure. In a general embodiment, a peritoneal dialysis system includes a peritoneal dialysis fluid supply, a supply line in fluid communication with the peritoneal dialysis fluid supply and terminating at a supply connector, a patient connector in fluid communication with a patient's indwelling catheter, a device configured to connect the supply connector to the patient connector without a user having to physically contact the supply connector or the patient connector, and a housing placeable around the connecting device and including a plurality of ultraviolet (“UV”) light-emitting diodes (“LED's”) positioned to direct energy towards at least one of the supply connector and the patient connector.

Abstract: A hospital layout comprising a plurality of adjacent OR/intervention rooms (46, 48) uniquely configured and equipped to perform surgical and other interventional procedures, with adjacent intubation rooms (52) configured and equipped to prepare patients for procedures to occur in the OR/intervention rooms and at least one extubation room (54) adjacent the OR/intervention rooms, configured and equipped to post-intervention awaken and extubate patients. A plurality of universal patient rooms (40) are located adjacent the OR/intervention rooms and universal patient rooms, and are configured and equipped to admit patients for surgery/intervention, prepare patients for surgery/intervention, allow patients to recover post-intervention, and discharge patients post-recovery.

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

Abstract: A multi-wavelength semiconductor laser device includes a block having a V-shaped groove with two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the side faces of the groove in the block so that their laser beams are emitted in the predetermined direction.

Abstract: An LED-based lighting system is provided for aquariums, habitats, farms, terrariums, and/or enclosures for keeping animals and/or plant life and/or other enclosures. In one embodiment, the LED-based lighting system includes an LED circuit board or strip adapted to provide a particular wavelength of light, such as, red, blue, or green light. Several circuit boards or strips may be strung together end-to-end or side-to-side and, while each circuit board or strip may be adapted for providing a particular wavelength of light, the several circuit boards or strips may be adapted to provide several wavelengths of light, e.g. a mixture of spectrum. The several circuit boards, while providing different wavelengths of light, may be substantially the same in most respects except for the LED's positioned on the strip and a jumper selectively connected to provide a control signal line adapted for controlling the particular wavelength LED installed on the respective strip.

Abstract: A lighting device comprising sources of visible light comprising solid state light emitters and/or luminescent materials emitting three or four different hues. A first group of the sources, when illuminated, emit light of two hues which, if combined, would produce illumination having coordinates within an area on a 1931 CIE Chromaticity Diagram defined by points having coordinates: 0.59, 0.24; 0.40, 0.50; 0.24, 0.53; 0.17, 0.25; and 0.30, 0.12. A second group of the sources is of an additional hue. Mixing light from the first and second groups produces illumination within ten MacAdam ellipses of the blackbody locus. Also, a lighting device comprising a white light source having a CRI of 75 or less and at least one solid state light emitters and/or luminescent material. Also, methods of lighting.

Abstract: A backlight assembly includes a first light emitting unit having a first light emitting diode, a second light emitting unit having a second light emitting diode, a third heat conduction member, and a receiving container accommodating the first light emitting unit and the second light emitting unit. The first light emitting unit includes a first heat conduction member connected to the first light emitting diode to absorb a heat from the first light emitting diode, and the second light emitting unit includes a second heat conduction member connected to the second light emitting diode to absorb a heat from the second light emitting diode. A third heat conduction member is connected to the first and second heat conduction members to discharge the heats from the first and second light emitting diodes.

Abstract: An LED light bulb device including a bulb body, heat sink stems and LEDs. The bulb body defines an exterior and an interior region. The heat sink stems are discrete from one another and extend along the bulb body in a circumferentially spaced fashion. A first LED is directly supported by the first heat sink stem, and a second LED is directly supported by the second heat sink stem. Light from the LEDs is directed inwardly into the interior region and then outwardly from the interior region.

Abstract: A method and apparatus for controlling a light string is provided. A controller is coupled to the light string and is used to bias one or more of the multicolor LEDs within each bulb on the light string. Using a prearranged determination of 1) the multicolor LEDs within each bulb, 2) the placement of the bulbs within the light string, and 3) the proper biasing of the plurality of leads within the light string, the controller can be used to change the entire light string from one complex holiday color scheme to another using a simple switching mechanism to select from one a of a plurality of desired color schemes.

Abstract: A laser light source apparatus comprises a laser light source that emits laser light; a prism with one optical flat face, through which the laser light from the laser light source passes, that is perpendicular to an optical path of the laser light; and a vibration driving device that vibrates the prism to move the prism parallel to a direction in which an optical path length of the laser light in the prism changes, along a flat face located in the other optical flat face that does not intersect perpendicularly with the optical path of the laser light in the prism.

Abstract: A food holding cabinet that has multiple tiers with moisture even distribution, lighting and heating features. The moisture feature provides a circulating moisture laden airflow to a tier. The lighting feature provides low energy consuming light emitting diodes to a tier. The heating feature provides different heating to different heating zones.

Abstract: A luminaire having a housing defining one or more unthreaded mounting holes therein, a connector having a head and a shaft, the connector shaft located at least partially in one of the one or more mounting holes, the connector shaft comprised of a pliable material, a circuit board mounted to the housing by the connector head, the circuit board populated with one or more LEDs, and a lens resting against and spaced form the circuit board by the connector head.

Abstract: The present invention relates to different embodiments of lighting fixtures, such as high bay lighting fixtures, comprising improved features. One of these features can be a driver box placement that is displaced from the center of the fixture. In one such embodiment, the driver box can be mounted such that no portion is over the emitters. Another improved features is a heat sink with branching spokes. As they move away from the center of the heat sink, each of the spokes can branch into multiple spokes, which can improve conductive thermal dissipation. Empty spaces can be left between the spokes to improve convective thermal dissipation.

Abstract: A marker system includes: a first marker; and a second marker; wherein the first marker and the second marker are configured to emit light from one or more light sources coupled to the first marker and the second marker; and wherein the first marker and the second marker are configured to emit the light for detection by a camera. A method performed using a marker system includes: generating light using one or more light sources; emitting the light at a plurality of markers that are coupled to the light sources; and detecting the light emitted from the plurality of markers using a camera; wherein the act of detecting comprises using one or more filters to reduce ambient light to a level that corresponds with a noise level of the camera while allowing light emitted from the markers to be imaged by the camera.

Abstract: The present invention is generally directed to sequencing two or more LEDs on two or more wires; if more than two wires are used, any two pairs of wires can be used as a pair of wires. Each pair of wires can be used to sequence two or more LEDs, and a sequencer can control sequencing of LEDs on multiple wires connected in a group, or in multiple groups of multiple wires. For a given pair of wires, a first group of LEDs is wired opposite a second group of LEDs so that only one group will emit light at one time depending upon the flow of an alternating current. Two groups of LEDs can also be created by using two different semiconductor materials alternately wired to a single anode and cathode pair of a single LED physical package.

Abstract: The described embodiments provide systems and methods for delivering power and data to lighting system. Specifically, the embodiments provide systems and methods for delivering power and data to the type of lighting system which is often used in entertainment programs and specifically live shows. Embodiments disclose various systems incorporating truss technology in conjunction with lighting, dimming, power and data distribution systems encompassing a complete and integrated mobile and rapid deployment lighting and lighting support system. Further embodiments describe truss systems used for managing cable.

Abstract: A retrofit kit is provided for existing slot machines that include a lighting strip, electronic driver assembly, connectors and an installation procedure. The retrofit kit may include a variety of mounting hardware. The retrofit kit replaces existing florescent or incandescent lighting with LED lighting.

Abstract: A light fixture may include LEDs that each emits light into a particular zone on a lens, where each zone has its own focal properties. Each LED may be grouped into one (or more) subset(s) that corresponds to the zone(s) struck by its emitted light. The LEDs may be selectively electrically controllable, so that the amount of light transmitted through each zone may be controllable by the electrical control system of the fixture. Because light transmitted through different zones emerges from the fixture having different widths, the electrical control system can directly control the amount of light emerging at each width. By mixing relatively narrow light with relatively wide light in the proper proportions, the electrical control system of the fixture may produce light having any desired angular profile between “narrow” and “wide”.

Abstract: Disclosed are a light source system and a laser light source (300). The laser light source includes two groups of laser groups (20a, 20b), wherein at least one group of laser groups includes at least two lasers (21a, 21b, 21c, 21d), and the light beams (L1) generated by the two groups of laser groups are in the same direction and parallel to each other. The first projections of the two groups of laser groups on the cross section of the light beams formed by the respective emergent light rays thereof are partially overlapped with the second projections in a first direction, which first direction is the connection direction of at least two laser centres of a group of laser groups. The laser light source has the effects of being able to effectively increase the light power density and at the same time reduce the volume of the light source.