Abstract: The present invention concerns a flow sensor for, and a method of monitoring, a condensate drain including the steps: a) providing a flow sensor for detecting flow properties in a pipe and/or fitting carrying a medium, b) detecting a vibration behavior by means of a vibration converter at a measurement location provided on the flow sensor, and c) electronically evaluating the vibration behavior of a vibration body, wherein at the measurement location vibrations of a first region of the vibration body, which is provided at least partially in or adjacent to the flow of the medium, and a second region of the vibration body, that is outside the flow, are recorded.

Abstract: A system and method enable intelligent refuelling of a pressurised vessel. The method includes receiving a gas at a refuelling port, wherein the refuelling port is coupled to the pressure vessel; determining a temperature 5 of the pressure vessel; determining a pressure of the pressure vessel; directing the gas through a nozzle, wherein the pressure vessel and nozzle are thermally coupled such that Joule-Thomson expansion of a gas flowing through the nozzle cools an interior cavity of the pressure vessel; and controlling a shut-off valve according to an amount of gas in the pressure 10 vessel determined according to the temperature and pressure, wherein the shut-off valve is located between the refuelling port and the pressure vessel, for controlling a flow of gas between the refuelling port and the pressure vessel.

Abstract: A gas supply apparatus includes; a compressor unit including a compression section compressing hydrogen gas and storing pressure accumulators with the compressed hydrogen gas and a drive portion including an electric motor as drive source and driving the compression section; and a control unit controlling the electric motor. The electric motor has output characteristics where rated torque can be maintained against rotational speed changes in a standard rotation region, rotation region at or below standard speed, and output torque decreases from the rated torque as electric motor rotational speed increases in an overspeed region, rotation region above the standard speed. The control unit performs, in at least part of a storage process where the compression section stores the pressure accumulators with the hydrogen gas until set pressure is reached, overspeed operation control for allowing driving of the electric motor in the overspeed region.

Abstract: A system and method for unloading highly pressurized compressed natural gas from transport vessels by depressurizing the gas through flow lines linking a series of automated flow control valves that lower the gas pressure to a predetermined level, the valves being linked in series with and separated by heat exchangers in which the lower pressure gas flowing through the system is also reheated to a predetermined temperature by a heat exchange medium recirculation system in which the heat exchange medium is reheated by a heat source that can be internal to the system. The use of a minor portion of the depressurized and reheated gas as fuel gas to reheat the heat exchange medium is also disclosed. The subject system can be skid-mounted if desired.

Abstract: A pressure vessel configured to store a pressurized fluid is provided including a plurality of lobes. Each lobe includes at least one vertically arranged interior wall. The plurality of lobes are positioned in a side by side configuration such that a first interior wall of a first lobe is positioned adjacent a second interior wall of a second adjacent lobe. The first interior wall and the second interior wall are configured to contact one another at a first point of tangency. A first tangent intersects the first lobe at the first point of tangency and a second tangent intersects the second lobe at the first point of tangency. The first tangent and the second tangent are separated by about 120 degrees.

Abstract: A handle assembly for a portable gas cylinder includes a first handle portion, a second handle portion and first and second locking members. The first handle portion includes an ergonomically configured upstanding gripping handle and a semi-circular shroud portion configured to couple to a first section of an upper portion of a portable gas cylinder. The second handle portion includes an ergonomically configured upstanding gripping handle and a semi-circular shroud portion configured to couple to a second section of the upper portion of the portable gas cylinder. First and second locking members are configured to selectively locking the first and second handle portions to one another about a periphery of the upper portion of the portable gas cylinder.

Abstract: An LED tube light which includes LED light sources mounted in LED leadframes is disclosed. The LED leadframe has a recess, a first sidewall and a second sidewall. Each LED light source includes an LED leadframe and an LED chip, in which LED chip is disposed in recess of LED leadframe. A height of first sidewall of LED leadframe is lower than a height of second sidewall thereof. Inner surface of the first sidewall is a sloped flat or curved surface facing towards outside the recess. First sidewalls of the LED leadframe are arranged along a length direction of the light tube, and second sidewalls of the LED leadframe are arranged along a width direction of the light tube. The LED tube light further includes an LED light bar. The LED light sources together with the LED leadframes are mounted on the LED light bar.

Abstract: An LED tube light, including LED light sources, end cap, a light tube, a diffusion film layer and a reflective film layer is provided herein. Diffusion film layer is disposed above LED light sources so that light emitted from LED light sources are transmitted through diffusion film layer and light tube. Diffusion film layer can also be optical diffusion coating coated on wall of light tube, and coated to an outer surface of rear end region of light tube, a hot melt adhesive is bonded to outer surface of optical diffusion coating to generate increased frictional resistance between end cap and the light tube. Reflective film layer is disposed on inner circumferential surface of light tube, and occupying a portion of inner circumferential surface of light tube along circumferential direction thereof. LED light sources are disposed above or adjacently to one side of reflective film layer.

Abstract: An end cap for LED tube lamp along with the LED tube lamp adopting thereof is disclosed. LED tube lamp includes a lamp tube. One end of the lamp tube is attached to the end cap; a LED light bar is disposed inside the lamp tube. The end cap includes an insulating tubular part, sleeved with the end of the lamp tube and a magnetic object disposed between an inner circumferential surface of the insulating tubular part and the end of the lamp tube. The magnetic object being of a magnetic metal member and the lamp tube are adhesively bonded by a hot melt adhesive. An inner circumferential surface of the magnetic metal member can be fully covered by the hot melt adhesive. Magnetic metal member can be in the structure of a circular or oval ring, with at least one opening, and has indentation structure on a surface thereof.

Abstract: An LED tube lamp having an end cap and a lamp tube is disclosed. The end cap includes an electrically insulating tubular part, sleeved with an end of the lamp tube, and a magnetic metal object disposed between an inner circumferential surface of the electrically insulating tubular part and the end of lamp tube. The electrically insulating tubular part having an inner circumferential surface with a plurality of protruding portions formed thereon and extending inwardly in a radial direction of the electrically insulating tubular part. Each of the protruding portions is disposed between an outer circumferential surface of the magnetic metal member and the inner circumferential surface of the electrically insulating tubular part, thereby forming a space therebetween, in which a hot melt adhesive is filled so that the end cap and the end of the lamp tube are adhesively bonded.

Abstract: LED tube light including light tube and end cap, in which end cap includes an insulating tubular part and a thermal conductive ring, thermal conductive ring fixedly arranged on outer circumferential surface of insulating tubular part, end cap sleeved over an end of light tube, and thermal conductive ring adhesively bonded to light tube is disclosed herein. Insulating tubular part has first and second tubular parts that are connected along axial direction of light tube, outer diameter of second tubular part is less than outer diameter of first tubular part, and thermal conductive ring is sleeved over second tubular part, in which outer surface of thermal conductive ring and outer circumferential surface of first tubular part are substantially flush with each other. End of second tubular part has notches, spatially arranged along circumferential direction thereof. Thermal conductive ring can be tubular metal ring, and insulating tubular part can be plastic.

Abstract: A heat dissipating LED light bar which may be used as part of a complete retrofit system for a variety of linear fluorescent light fixtures. The LED light bar comprises an elongate channel member which is preferably fabricated from extruded aluminum. In addition to the channel member, the LED light bar comprises a high-efficacy set of LEDs, which are preferably provided in the form of an elongate LED printed circuit board (PCB) or strip mechanically bonded to the channel member. The channel member is outfitted with fins and other surface features uniquely configured to provide superior heat dissipation, thus allowing the channel member to effectively function as a heat sink for the LED strip cooperatively engaged thereto. Further, the channel member is configured to define an air flow cavity under the LED strip as allows for the effective dissipation of heat during operation of the LED light bar.

Abstract: A lighting arrangement (1) is disclosed. The lighting arrangement (1) comprises at least two light sources (2) which are arranged in a pattern along a longitudinal axis (L) and adapted to emit light in a first wavelength range. The lighting arrangement (1) also comprises a wavelength converting layer (5) arranged at a distance from the at least two light sources (2). The wavelength converting layer (5) is arranged to receive light emitted from the at least two light sources (2) and adapted to convert light in the first wavelength range to light in a second wavelength range. A spectrally selective layer (6) is arranged between the at least two light sources (2) and the wavelength converting layer (5). The spectrally selective layer (6) is adapted to reflect light in the first wavelength range having an angle of incidence smaller than a predefined angle and to transmit light in the first wavelength range having an angle of incidence larger than a predefined angle.

Abstract: In an embodiment, the disclosure provides a light source comprising at least one solid state light emitter. The light source, in operation, emits substantially white light having a Lighting Preference Index (LPI) of at least about 105, and this emission from the light source comprises a UV-violet flux of at least about 1%. Use of the lamps, light sources, and methods of the present disclosure may afford the ability to display linens and clothing under energy-efficient LED-based illumination, and may impart an effect to (especially white) clothing, that makes them look cleaner than under illumination by prior art LED lamps.

Abstract: The proposed illuminator relates to white-light lamps based on LEDs with remote phosphor converters. The illuminator comprises a heat removing base with a radiation output opening, and the LEDs secured near the periphery of the opening, with, arranged in series at a distance from the LEDs, a concave phosphor converter layer, wherein the layer's concavity is oriented towards the LED's and the opening. White light formed as mix of reflected LED's radiation and phosphor's radiation exits via the opening, while white light formed as mix of LED's radiation passing through the layer and phosphor's radiation exits through the layer. The layer may have the form of a truncated ellipsoid of revolution, in particular a sphere, or a paraboloid, with a main axis perpendicular to the plane of the opening, or a cylinder truncated by the plane of the opening.

Abstract: A lighting arrangement (10) is disclosed that comprises a plurality of solid state lighting elements (22) mounted on a grid of conductive wires (12), said grid comprising a plurality of grid segments (20) each defined by respective portions of adjacent conductive wires, each grid segment comprising a pair of reinforcement members (24, 26) affixed to said portions; and at least one said solid state lighting element mounted on said portions in between the reinforcement members of at least some of the grid segments. An apparatus and method for deforming such a lighting arrangement are also disclosed.

Abstract: Recessed lighting rough-in section (i.e. housing) and finishing section (i.e. luminaire module) including a textured surface and catch mechanism is disclosed. The luminaire module includes a textured surface that is oriented along a diagonal, a coiled path or an orbital path of rows of recesses which engage corresponding catch mechanisms. Coarse adjustment of the height of the luminaire module may be determined by moving the luminaire module vertically and fine adjustment may be determined by rotation of the luminaire module with respect of the catch mechanisms.

Abstract: An optically transmissive light directing sheeting and a method of making the same are disclosed. The light directing sheeting includes a core sheet of an elastic material that can be laminated onto other surfaces or sandwiched between sheets of various rigid materials. The core sheet includes a plurality of deep and narrow parallel channels configured to direct light by means of a total internal reflection. The method includes a step of slitting of a soft, optically transmissive plastic sheet with a blade and forming at least one array of substantially parallel linear slits in a surface of the sheet, a step of stretching the sheet in a direction perpendicular to the linear slits, and a step of bonding the sheet to a different sheet of an optically transmissive, rigid material. Various light directing devices employing the light directing sheeting are also disclosed.

Abstract: Retrofit lighting kits used in troffer style light fixtures allow the reuse of fluorescent lighting fixture housings, already in place, while retrofitting new assemblies that increase efficiency, add new communications applications, and reduce electrical usage as well as ongoing maintenance costs and new fixtures that can utilize the new communication applications. In the configuration sited, a new set of replacement parts, using channels, sockets, lamps, and a custom wiring harness, can be installed in the troffer style light fixtures used in home and office installations. The advantage of this retrofit kit allows the installation of specialized Light Emitting Diode lamps, to quickly replace the inefficient T8 and T12 lamps and service equipment, used in troffer style fixtures. Deployment of these kits, reduces electrical usage, reduces maintenance of the fixture, and eliminates “on-demand” servicing.

Abstract: A system is provided having a spring, a suspended leaf, and a motor attached to the spring and causes the spring to rotate. One end of the spring that is not attached to the motor at least temporarily contacts the leaf. The spinning of the spring causes the leaf to rock from side to side and sway and/or swing back and forth. As the leaf rocks and sways, the leaf is illuminated and appears as a randomly flickering flame.

Abstract: The present disclosure, in one embodiment, relates to an electric flameless candle, comprising a body configured in shape and size to simulate a true flame candle. The electric flameless candle further comprising a light source operably connected to the body and positioned to be generally protruding from an exterior surface of the body, the light source comprising a plurality of illuminators electrically operated to illuminate in a way that simulates the movement of a real candle's flame.

Abstract: The vehicular lamp comprises: an outer housing made of a heat dissipating material, opened at a front thereof, and having a circuit board received therein, the outer housing including a plurality of heat-dissipating fins formed on an outer surface thereof and including an engaging groove depressed rearwardly along an opened front edge thereof; a reflective housing including a reflective surface formed on a front side thereof and having a rearwardly recessed shape, with the reflective housing received in the opened front portion of the outer housing; an LED fixing member inserted into an inner lower portion of the outer housing through the reflective housing, and having an upwardly bently extending part and including an LED light module mounted at a rear surface thereof so as to be electrically connected to the circuit board; and a transparent cover including an engaging protrusion rearwardly protrudingly formed at a rear edge.

Abstract: A solid state light source device includes N (an integer of two or more) sets of solid state light source assemblies having a plurality of solid state light source cells arranged in a matrix pattern a multiple lens block including N incidence faces facing the N sets of solid state light source assemblies and causing light emitted from the solid state light source cells to be incident through multiple lens cells of a matrix pattern and one emission face composing the light incident from the N incidence faces and a dichroic filter that is obliquely arranged on the incidence faces inside the multiple lens block and selectively reflects or transmits incident light based on the incident light wavelength. Light distribution characteristics and color temperature of light exiting the emission face of the multiple lens block are controlled by a ratio of power supplied to the solid state light source cells.

Abstract: A headlight module includes a light source, a light guide element, and a projection optical element. The light source emits light. The light guide element has a reflecting surface for reflecting light emitted from the light source and an emitting surface for emitting light reflected by the reflecting surface. The projection optical element projects light emitted from the emitting surface. In a direction of an optical axis of the projection optical element, an end portion on the emitting surface side of the reflecting surface includes a point located at a focal position of the projection optical element.

Abstract: A vehicle lamp includes a semiconductor laser element configured to emit laser light; a condenser lens configured to condense the laser light, a phosphor configured to form white light by converting wavelength of at least a portion of the laser light condensed, and a reflector configured to reflect the white light. A scattered light forming part is formed on a surface of the reflector, which is a surface at which a path obtained by extending an optical path of the laser light before the laser light hits the phosphor is intersected with the reflector.

Abstract: A light emitting diode (LED) bulb includes a base, a low beam emitter on the base configured to generate light rays to form a low beam, and a high beam emitter on the base configured to generate light rays to form a high beam. The low beam emitter includes two substrates separated by a core and configured as a heat sink, at least two low beam light emitting diode (LED) dice mounted to the substrates configured to emit the low beam light rays, and a shutter configured to block some of the low beam light rays and to shape the low beam. A lighting system includes the light emitting diode (LED) bulb and a reflector configured to generate the high beam and the low beam. In addition, the (LED) bulb can be retrofitted to conventional lighting systems, such as automotive lighting systems, having conventional reflectors.

Abstract: A vehicle lamp includes a planar light-emitting structure having a substrate on which an organic EL emission element is provided, a framing member that fixes the planar light-emitting structure inside a vehicle-lamp light cabinet, and an elastic member that is interposed between the planar light-emitting structure and the framing member and that fixes the planar light-emitting structure by its biasing force.

Abstract: A light source unit of one embodiment includes a socket housing, a light emitting module, a substrate, a sealing part, and a lens part. The sealing part seals the light emitting element and the conductive part to the substrate. A lens part is formed on the sealing part. Alastic modulus of the lens part is higher than that of the sealing part.

Abstract: Disclosed herein is a light device of a vehicle including: a light emitting diode module emitting light; and a light guide plate having a side on which the light emitted from the light emitting diode module is incident and emitting the light incident on the side to perform surface emission upwardly, in which the light guide plate has a plane shape including at least one concave portion and the light emitting diode module is installed in the at least one concave portion. According to the exemplary embodiments of the present invention, when the light guide plate used in the light device installed at the rear of the vehicle to perform the surface emission is formed in a horseshoe shape or a ring shape, the light emitting diode module may be installed at a concave position of the horseshoe shape or the light emitting diode module may be installed along a ring-shaped inner side, thereby uniformly performing the surface emission over the whole of the light guide plate.

Abstract: A light module comprises two submodules added one against the other and in each of which a light source is associated with an optical deflection element for the deflection of the light rays emitted toward a projection optical device arranged at the output of the module. Each submodule comprises a half-shell forming, in combination with the other half-shell, a space that is enclosed apart from at least one aperture produced in each half-shell to form air circulation cooling means.

Abstract: A cooler of a light source, especially for a motor vehicle lamp, mounted in a light; source holder (2) arranged in a thermally conductive cooling monobloc (11), is fitted with cooling elements for heat dissipation, and is equipped with channels (14, 17, 18, 19) for supplying cooling media from cooling media source (21) to the cooling first side (3) of the light source holder, the light source (1) being mounted on the opposite side (4) thereof. Main channel (14) is arranged with the cooling media flow direction in parallel to longitudinal axis of cooling monobloc, and at least one secondary channel leads into the main channel under the light source holder first side. The secondary channel can lead into the area under the light source holder first side. Secondary channels can at least partly comprise removable covers fitted with inner guiding and cooling fins (23, 24) and/or outer cooling fins.

Abstract: An efficient heat-dissipating and all day lighting headlight includes an inner heat-dissipating base, an outer heat-dissipating base, a circuit assembly, a low-beam lamp assembly, a high-beam lamp assembly, a daytime lamp assembly and a headlight cover. The inner heat-dissipating base has two opposite surfaces with one of the surfaces thermally contacting the circuit assembly and the outer heat-dissipating base. The circuit assembly is mounted between the inner heat-dissipating base and the outer heat-dissipating base. The low-beam, high-beam and daytime lamp assemblies thermally contact the other surface of the inner heat-dissipating base. The low-beam and high-beam assemblies are electrically connected to the circuit assembly. The daytime, low-beam and high-beam lamp assemblies are further covered by the headlight cover capable of radiating heat out.

Abstract: A vehicle lamp has a housing for holding a circuit board, and a gasket mounted on the housing to waterproof the circuit board. A fastening portion is provided on the gasket to fasten the circuit board to the housing. A lid member is provided which is connected to the housing to fasten the gasket.

Abstract: A luminaire comprising: a light source (10); an exit window (20) for light from the light source; and a diffuser (25; 200a; 200b; 200c; 200d) at the exit window for diffusing the light. The diffuser comprises a plurality of micro-optical elements (203a; 203b; 204, 205; 206, 207). Each micro-optical element is adapted to redirect light from the light source, so that the redirected light from each element emerges from the diffuser at a respective predetermined polar angle (?). The plurality of micro-optical elements comprise first micro-optical elements, which redirect light from the light source into a first range of polar angles, wherein the first optical elements occupy a greater proportion of the area of the diffuser in a first neighbourhood than in a second neighbourhood, and wherein the first neighbourhood receives less light from the light source than the second neighbourhood. Also provided is a method of designing and manufacturing a diffuser for such a luminaire.

Abstract: The present invention relates to a luminaire comprising one or more LED light sources (102) arranged within a light chamber that is enclosed by a translucent cover (302), having an inner surface (308), wherein the LED light source (102) is arranged to illuminate the inner surface (308) of the translucent cover (302). The translucent cover (302) comprises a prismatic optical structure (304) on the inner surface (308) for reflecting and/or refracting light from the LED light source (102) omni-directionally. The prismatic optical structure (304) is designed such that a direct view of the LED light source from outside the luminaire is obstructed by means of total internal reflection at the prismatic optical structure.

Abstract: A LED lamp and an optical lens thereof are provided. The LED lamp includes a LED light source and an optical lens covering the LED light source. The optical lens includes a dome structure and a protrusion structure. The dome structure has an external surface. The protrusion structure is disposed protruding from the external surface and includes oppositely-disposed first and second side surfaces. The first side surface includes first and second optical surfaces. The second side surface includes a third optical surface. The second optical surface is connected immediately to the external surface and further connected between the external surface and the first optical surface. A boundary line of the second and the first optical surfaces is not disposed at the external surface. The third optical surface and the external surface are immediately connected. Accordingly, local uniformity of light distribution of the optical lens is improved.

Abstract: A lighting apparatus comprises: a body comprising a first body and a second body, wherein the first body comprises a first bottom surface and a first side surface, wherein the second body comprises a second bottom surface and a second side surface, and wherein the body has a receiving recess configured by the first bottom surface, the second bottom surface, the first side surface and the second side surface; a reflector disposed in the receiving recess of the body and comprising a plurality of reflective surfaces; and a light source disposed on the first side surface of the first body and the second side surface of the second body, disposed at an area corresponding to the reflective surfaces of the reflector.

Abstract: Disclosed is an LED light source automated luminaire with a multi sided elongated light collimator/mixer/integrator with receiving lens and output lens both with spill shields and where the receiving spill shield is nesting in the output spill shield. The elongated integrator has a square input cross-section and a hexagon or octagon output cross section and is tapered so that the input cross section is smaller than the output cross section.

Abstract: An LED tube lamp having LED light sources, a lamp tube, end cap, power supply, a reflective film layer and an LED light bar is disclosed. The LED light bar is a bendable circuit sheet. One end of the lamp tube is attached to the end cap; a power supply disposed in end cap and the LED light bar is disposed inside lamp tube. The end cap includes an electrically insulating tubular part, sleeved with the end of the lamp tube and a magnetic metal object disposed between an inner circumferential surface of the electrically insulating tubular part and the end of lamp tube. The reflective film layer is disposed on inner circumferential surface of lamp tube, and occupying a portion of inner circumferential surface of lamp tube along circumferential direction thereof. LED light sources are disposed above or adjacently to one side of reflective film layer.

Abstract: A luminaire is provided which includes an LED light source and a reflector that includes a semi-specular reflective film. The semi-specular reflective film has a transport ratio (TR) of between 40% and 70% and a reflectivity of greater than 95% and comprises a multilayer optical film (MOF), a an ultra-low index (ULI) layer having a refractive index of less than 1.3, and a diffusing layer (DL) borne on the reflecting face of the semi-specular reflective film. The LED light source and reflector are in fixed arrangement such that the luminaire may be arranged relative to an architectural surface such that 75% or more of visible light emerging from the LED light source strikes the reflector and subsequently strikes the architectural surface without reflection off of any other surface nor transmission through any medium other than ambient air.

Abstract: A multi-colored display includes a semiconductor substrate layer, a first light emitting diode (“LED”) integrated onto the semiconductor substrate layer to natively emit pump light having a first color, a second LED integrated onto the semiconductor substrate layer to natively emit the pump light having the first color, and a first wavelength conversion layer disposed over an emission aperture of the second LED to convert the pump light natively emitted from the second LED to first output light having a second color different from the first color of the pump light. The first wavelength conversion layer includes a first matrix of quantum dots. The first and second LEDs are integrated into a single semiconductor die.

Abstract: A luminous device and a liquid crystal display device are provided. In the luminous device, a difference value between a first distance and a second distance is less than a preset value. The first distance is a distance between a first luminous side surface of a luminous element and a first wavelength conversion side surface of a wavelength conversion unit or a distance between a second luminous side surface and a second wavelength conversion side surface. The second distance is a distance between a luminous top surface of the luminous element and a wavelength conversion top surface of the wavelength conversion unit.

Abstract: A housing of an electronic device includes a base plate, a frame, a light guide film and a light source. An inner surface of the base plate includes a coating. A plurality of light transmission holes are defined in the coating. The frame includes a first receiving portion and a second receiving portion surrounded by the first receiving portion. The base plate is received in the first receiving portion and the light guide film is received in the second receiving portion. The light source is coupled to the light guide film. One end of the light guide film covers the plurality of light transmission holes, and an other end of the light guide film is optically coupled to the light source. Light from the light source transmits through the light guide film and emits out of the base plate by the light transmission holes.

Abstract: A high bay light fixture includes a substantially disc-shaped base, disposed horizontally so as to define an upper surface, a lower surface and a vertical axis. Groups of first light emitting diodes (LEDs) couple with the lower surface of the base. The LEDs within each group of first LEDs are arranged along one or more arcs of substantially constant radius relative to the vertical axis. At least one lower optic couples with the lower surface of the base such that the lower surface and the lower optic enclose the groups of the first LEDs. A plurality of second LEDs couples with the upper surface of the base. Upper optics couple with the upper surface of the base, such that the upper surface of the base and each of the upper optics enclose at least one of the second LEDs.

Abstract: According to various embodiments, a light emitting apparatus is disclosed. In one example, the light emitting apparatus comprises a light source arranged to emit light of a first wavelength onto a wavelength converting member. The wavelength converting member comprises a wavelength converting element arranged to convert the light of the first wavelength into light of the second wavelength, a reflective heat conducting element arranged to reflect light of the second wavelength, and a beam shaping heat conducting element arranged to transmit light of the first wavelength and of the second wavelength, wherein the beam shaping heat conducting element is arranged to direct light of the first wavelength and of the second wavelength with an angular distribution within a collection angle of the collecting lens. The wavelength converting element is in direct thermal contact with the beam shaping heat conducting element and in thermal contact with the reflective heat conducting element.

Abstract: A lighting device (100, 200, 300, 400) is disclosed, comprising an at least partly light transmitting envelope (110) arranged to at least partly enclose a light source (120). The envelope comprises a portion (114) that is elastic such that its extension and orientation relative to a nominal optical axis of a base (140) of the lighting device is adjustable so as to allow for light output from the lighting device to be modified. A method for manufacturing such lighting device is also disclosed.

Abstract: A safety end cap assembly includes an end cap base element to be arranged at one end thereof on an end of the elongate housing, at least one connector pin extending along a longitudinal axis of the end cap base element, an electrical switch electrically connected to the connector pin and switchable between an open state and a closed state, and an end cap cover element arranged slidable on the end cap base element between a protracted position where the switch button is covered by the end cap cover element, and a retracted position, where the switch button is exposed. When protracted, the end cap cover element extends beyond the end of the end cap base element, and for sliding the end cap cover element from its protracted position to its retracted position, the end cap cover element is moved towards the end cap base element.

Abstract: A backlight module includes a substrate, at least one light bar coupled to the substrate, and at least one locating mechanism. The at least one locating mechanism is located on the substrate for locking the at least light bar to the substrate. The locating mechanism includes two first limiting portions, a plurality of second limiting portions, and a plurality of positioning poles. The second limiting portions and the positioning pole are alternately disposed between the opposite first limiting portions. The first limiting portion, the second limiting portion, and the positioning pole respectively limit the light bar in different directions.

Abstract: A light source device includes a casing, and a plurality of light source units arranged side by side in the casing. Each of the light source units has a heatsink, a light emitting element substrate attached to the heatsink, light emitting elements mounted on the substrate. The light source device also includes a plurality of cooling fans such that they face cooling fins of the heatsinks. The light source units are arranged side by side in a direction orthogonal to the extending direction of the cooling fins of the heatsinks, the cooling fans are arranged side by side in the same direction as the arrangement direction of the light source units, and a partition plate that extends substantially parallel to the extending direction of the cooling fins and toward the cooling fins is disposed between each two adjacent cooling fans.

Abstract: An LED tube light, including a light tube and an end cap attached over an end of light tube is disclosed. The end cap includes an insulating tubular part, sleeved over the end of the light tube and a magnetic object disposed between inner circumferential surface of insulating tubular part and end of light tube. Magnetic object and light tube are adhesively bonded by hot melt adhesive. Insulating tubular part has a supporting portion, disposed along inner circumferential direction thereof to be protruding inwardly, magnetic object is abutted against upper edge of supporting portion along an axial direction thereof. Insulating tubular part further has protruding portions formed on inner circumferential direction of insulating tubular part to be extending inwardly thereof, and disposed between outer circumferential surface of magnetic metal member and inner circumferential surface of insulating tubular part, thereby forming a gap therebetween.