Abstract: A pipe element is formed of a metal pipe and at least one metal connector, fastened to an end of the metal pipe such that torques and axial forces can be transmitted between the metal pipe and the metal connector. The metal connector has thread, in particular a conical thread, or a flange, by way of which the metal connector can be screwed to another metal connector of an additional pipe element in order to connect two pipe elements. The metal connector is screwed to an inner sleeve by way of a cylindrical thread so that the metal pipe is a really clamped between the metal connector on the outside and the inner sleeve on the inside in a connection region. The connection region is conically tapered toward the pipe end.

Abstract: A fluid connector assembly comprises an outer fastener and an inner fastener. The outer fastener is comprised of a top surface, a bottom surface, and a plurality of radially extending members on the top surface. The inner fastener is provided comprising a top surface, a bottom surface, and a plurality of radially extending projections. The radially extending projections are dimensioned to be received by the radially extending members when the inner fastener is assembled with the outer fastener. A connector is disposed in the inner fastener, wherein the connector may be externally threaded so as to receive a fluid supply line that is internally threaded. The radially extending projections of the inner fastener may be flexible.

Abstract: A coupling assembly for securing rigid conduits together end-to-end, or to a junction box, includes a coupling body, one or two compressible gland rings, and one or two compression nuts. The coupling body includes a first segment extending from a second segment, with an optional midsection therebetween. The compression nut threadably engages about externally-threaded coupling first and/or second segments, compressing a gland ring as it is tightened. A bend in the compression nut, and complementarily chamfers formed in the coupling body and the gland ring, may help to squeeze and compress the gland ring. The compressible gland ring is internally-threaded, and, when compressed, it bites down or grips unthreaded conduits, and its threads interlock with threads of threaded conduits. Two conduits may be secured together by rotating the coupling body and/or the compression nut of the coupling assembly without needing to rotate conduits, which can be heavy and cumbersome.

Abstract: The present disclosure includes an embodiment of a coupling for fluid pathways, such as for use in connecting showerheads to a fluid source. The coupling includes a fixed member, a movable member rotatably connected to the fixed member, and a locking assembly connected to the fixed member and received within the movable member. In response to a rotational force exceeding a predetermined threshold the locking assembly permits rotation of the movable member relative to the fixed member and when the rotational force drops below the predetermined threshold, the locking assembly prevents rotation of the movable member to the fixed member.

Abstract: The invention is a pipe coupling comprising: a) a cylindrical body for accepting and retaining ends of a pair of spaced apart pipe sections, the cylindrical body comprising two opposed ends; b) an end connector attached to each opposed end of the cylindrical body; c) a gasket disposed within an indentation defined within the interior surface of each of the opposed ends of the cylindrical body; d) a gasket retaining ring disposed between each end connector and gasket, wherein the gasket retaining ring comprises a shoulder; and e) a gripper washer comprising an exterior periphery, the gripper washer disposed between each gasket retaining ring and end connector; wherein the gasket retaining ring shoulder contacts and retains the exterior periphery of the gripper washer.

Abstract: A pipe element includes a pipe made of fiber-reinforced plastic and at least one metal connector, which is connected to the pipe in such a way that the connection can transmit torques and axial forces. The metal connector has a thread, in particular a conical thread, or a flange, by way of which thread or flange the metal connector can be screwed to another metal connector of an additional pipe element in order to connect two pipe elements. The metal connector surrounds the pipe on the outside by way of a connection region. A counter sleeve is present, which has contact with the inside of the pipe by way of a connection region. The metal connector and the counter sleeve each have a cylindrical thread, by way of which the metal connector and the counter sleeve are screwed to each other.

Abstract: A magnetic pressure pulse attenuator can include a variable volume and at least two magnetic devices. A magnetic force between the magnetic devices varies in response to a pressure change in the volume. A fluid system can include a fluid volume with a variable pressure therein, and a magnetic pressure pulse attenuator including a variable volume in communication with the fluid volume. The variable volume can vary in response to a pressure variation, and the attenuator can further include a magnetic actuator which increases a magnetic force in response to an increase in the pressure. A method of attenuating pressure pulses in a fluid system can include connecting a variable volume of a magnetic pressure pulse attenuator to a fluid volume of the fluid system, the attenuator including a magnetic actuator which generates a magnetic force, and the force increasing in response to a pressure increase in the variable volume.

Abstract: The present invention provides methods and systems for an upstream pipe plug that includes a first bulkhead, a second bulkhead, a vent pipe engaged to the second bulkhead, and an insertion pipe engaged to the second bulkhead.

Abstract: A repair kit and associated method for repairing an automotive coolant pipe for fluid-conducting within an engine block of an engine includes at least a repair stent, sealant and instructions for performing the method. The repair stent may be a whole tube, or a hollow semi-cylinder defining a gap. The method includes draining coolant from the engine, removing the water pump from the engine without removing the timing chain cover of the engine, inserting the repair stent including a sealant through the coolant passage, wherein the coolant passage extends through the timing chain cover into the engine, re-assembling the water pump to the engine and adding coolant to the engine.

Abstract: A generator stand is provided. The generator stand includes a plurality of vertical posts each having a bottom end and a top end. The present invention may further include at least one lower horizontal post connecting at least a first vertical post and a second vertical post in between the bottom end and the top end. The present invention may further include a top frame attaching the top end of the plurality of vertical posts. The top frame may include a support frame sized to support a generator. A gap is formed in between the top frame and the at least one lower horizontal post. A portion between the bottom end and the at least one lower horizontal post of each of the plurality of vertical posts is buried within a surface.

Abstract: Provided is a drip containment apparatus that in certain example embodiments may comprise a ceramic body having a glazed exterior surface and an unglazed interior surface defining a cavity therein, and an aperture defining an opening from the exterior surface to the interior surface, the aperture and interior surface being adapted to receive therein a distal portion of a funnel and to support the funnel so that residual fluid inside the funnel will tend to drip into the interior of the ceramic body and be absorbed into the ceramic body but not leak through the glazed exterior surface. A support structure may be provided to support the ceramic body while it is holding the funnel. The ceramic body may be ornamental in appearance. In one embodiment the ceramic body is adapted to be hung on a wall during use.

Abstract: A construction apparatus is provided and span members connected together at a first end by a first connector, the span members having a first end, a second end and a length. Sill brackets are connected to the first end of the span members and are configured to seat against an entrance sill. A second connector connects the span members together at a second end and is configured to seat against a hoistway structure. A plurality of apertures is arranged on the span members and configured to allow a connection to hoist devices. The span members rotate about the sill brackets and the lengths of the span members are longer than a horizontal distance from the entrance sill to the hoistway structure such that when the apparatus is in a seated orientation, the construction apparatus rests in an inclined orientation with respect to a substantially horizontal axis.

Abstract: Embodiments of the present disclosure relate to providing a hoist system that raises and lowers a cable car on a hoist cable next to a mast. A monitoring device such as a microphone may be positioned on the cable car, and the hoist system raises the monitoring device on the cable car to an elevated position above a ground surface to better monitor the surrounding environment. An upper pulley assembly can be interconnected to the mast and serve as an upper terminus for the hoist cable. Several components of the present disclosure align the cable car with the upper pulley assembly. For example, an upper plate of the cable car may have one or more guide plates that channel the cable car toward the upper pulley assembly, and the cable car and the upper pulley assembly may have locating members to selectively interconnect to each other.

Abstract: A check valve supplies fluid to a system and includes a fluid barrier protects the sealing elements and surfaces of the check valve preventing degradation from any backflow of gas and debris from the system to which fluid is supplied.

Abstract: A tank fixing apparatus includes: first and second bands adjacent to each other, each including a fixed portion fixed to a support member supporting a tank, a pressing portion extending from the fixed portion and pressing an outer periphery of the tank toward the support member, and a distal end portion extending from the pressing portion and not fixed to the support member; first and second fixing portions fixing the fixed portions of the first and second bands to the support member, respectively; and first and second urging portions urging the first and second bands to give pressing forces for the tank to the pressing portions of the first and second bands, respectively. A direction of the first band extending from the fixed portion to the distal end portion is opposite to a direction of the second band extending from the fixed portion to the distal end portion.

Abstract: A method for condensing argon can include two flow streams interacting with each other in a heat exchanger found within a cold box: a stream of gaseous argon enters the heat exchanger to be cooled down below its liquefaction point by a stream of pressurized liquid nitrogen entering the heat exchanger. While passing through the heat exchanger, gaseous argon is gradually cooled down until it is condensed into liquid, flowing by gravity to the nearby liquid argon storage tank.

Abstract: An apparatus for condensing argon can include cold box, which is preferably sealed and largely maintenance free, where all instruments and valves requiring routine maintenance are to be located outside, a nitrogen separator disposed within the cold box, a heat exchanger disposed within the cold box, the heat exchanger is configured to condense a gaseous argon stream against a pressurized liquid nitrogen stream. The cold box is elevated as compared to an argon storage vessel, such that the condensed argon stream can flow to the argon storage vessel without the need for a pump.

Abstract: An illumination device (100) is disclosed, comprising at least two light sources (110), each of which is arranged to emit light, a carrier (120), having a first side (122) and a second side (124), wherein the at least two light sources are coupled to the first side of the carrier, and an envelope at least partially enclosing the light sources and the carrier. At least one of the light sources is coupled to a first portion (126) of the carrier and a least another one of the light sources is coupled to a second portion (128) of the carrier, wherein the first and second portions of the carrier are different, and the carrier is arranged such that the second side of the first portion of the carrier at least partially faces the second side of the second portion of the carrier. Thereby the light sources may be directed to emit light in several directions so as to increase the angle interval of the light emitted by the illumination device with the light sources being mounted e.g.

Abstract: An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.

Abstract: A lighting device assembly comprising an elongate base member (3) having a wall portion (9) on which several light emitting diodes (11) are mounted along the length of the base member, and an end cap (15) including an electrical terminal (17) at each respective end of the base member. The lighting device assembly further has an elongate light transmissive optical member (5) configured to be assembled with the base member, thereby enclosing the light emitting diodes. The base member is provided with at least one switch (55) configured to close an electric circuit connecting the light emitting diodes with the electrical terminals. The optical member is provided with at least one switching portion (59), configured to close said at least one switch in conjunction with the assembly of the base member and the optical member, said at least one switch being opened when the base member and the optical member are disassembled.

Abstract: A lighting fixture includes a plurality of light sources and an auxiliary component bay. The light sources and auxiliary component bay may be independently energized to cause one or more of the plurality of light fixtures to illuminate and/or to energize an auxiliary electronic component that is removably coupled to the auxiliary component bay. The auxiliary electronic component may include a camera, a battery pack, a work light or any other electronic device that may utilize operational power from a vehicle to perform a function. The auxiliary electronic component may include its own power converter which may accept a vehicular power signal to derive operation power therefrom. The lighting fixture may produce a beam pattern that is optimized for use when the auxiliary electronic component includes a camera. The auxiliary electronic component may be cooled by a thermoelectric device coupled to the component bay.

Abstract: An optical module including a light source, an adjustable reflector and a wavelength conversion set is provided. The adjustable reflector is disposed in a light path of light emitted from the light source and adaptable to adjust between a first position and a second position. The wavelength conversion set includes a first wavelength conversion member and a second wavelength conversion member. When the adjustable reflector is at the first position, light emitted from the light source is reflected to the first wavelength conversion member by the adjustable reflector. When the adjustable reflector is at the second position, light emitted from the light source is reflected to the second wavelength conversion member by the adjustable reflector.

Abstract: A light emitting device includes a light emitting element adapted to emit a blue light, a sealing resin covering the light emitting element, and a sulfide phosphor-containing layer disposed at an outer side of a sealing resin. The sealing resin contains at least one of a KSF phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit red light. The sulfide phosphor-containing layer includes a sulfide phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit green light.

Abstract: The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module, configured to generate a visible light such as white light, and at least one component such as optical component comprising a compound consisting essentially of the elements neodymium (Nd) and fluorine (F), and optionally including one or more other elements. The lighting apparatus is configured to provide a desired light spectrum by filtering the generated visible light using the compound.

Abstract: The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module configured to generate a visible light such as white light, and at least one component such as an optical component comprising multiple (two or more) compounds, each containing neodymium (Nd) and at least one compound including fluorine (F) for imparting a desired color filtering effect to provide a desired light spectrum, where a color of the desired light spectrum in a color space is determined by relative amounts of the two or more compounds in the at least one component.

Abstract: A light assembly includes a light source and a reflector having a reflective interior surface and a central opening. A toroidal-shaped toroid optic includes a central bore and the light source is positioned in the central bore. The toroid optic is positioned within the central opening of the reflector. A broadening lens is attached to the reflector and positioned adjacent to the toroid optic. The broadening lens includes a central optic.

Abstract: An LED projection night light for night time or dark area use includes a plug-in wall outlet night light or direct current operated night light with projection features to project an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface. The LED night light incorporates optics-lens and Object with preferred focus calculation to create bigger image to shown on locations. The parts for make night light including but not limited as an optics-lens, slides, openings, or cut-outs, and/or a transparent material piece, translucent material piece, telescope assembly, housing-member, slide-film, slide-disc, elastic-member, tilt-means, rotating-means, adjust-means, roller-means, mechanical-means, extend-means, convex lens, and/or concave lens designed to make the desired image, message, data, logo, or time project to the ceiling, walls, floor, or other desired surface to be seen by a viewer.

Abstract: An LED night light for night time or dark area use, such as a plug-in wall outlet night light or direct current (DC) operated night light, includes projection or image features to project or present an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface, or an optics element surface. The optics means may include an magnify optics-lens, Tube or tube assembly, slide, convex lens, concave lens, openings, cut-outs, film, grating, or holographic element to create an image at a desired location. The night light upgrade model has an adjustable angle, adjustable orientation, of said bigger image position and change image by moving the said night. The said up grade model can adjustable Light function(s) or distance between light source and magnetic optics-means and slide, as well as other adjustable position, location, or orientation features.

Abstract: To provide a light-emitting device capable of being used in a wide temperature range. To provide a light-emitting device capable of being used in a low-temperature environment and a high-temperature environment. The light-emitting device includes a light-emitting panel, a secondary battery, a circuit, and a sealing structure. The light-emitting panel includes a light-emitting element. The light-emitting element can emit light with power supplied from the secondary battery. The circuit includes an antenna and can charge the secondary battery wirelessly. The light-emitting panel, the secondary battery, and the circuit are provided in the sealing structure. The sealing structure includes a portion through which light emitted from the light-emitting element passes.

Abstract: The present disclosure is directed on some embodiments to light redirecting constructions comprising a first glazing substrate, a light redirecting film comprising at least one microstructure surface, a second glazing substrate, and a first interlayer bonding the first glazing substrate to both the light redirecting film and the second glazing substrate; wherein the light redirecting film has an area smaller than the area of the first interlayer.

Abstract: An interior aircraft light unit includes at least one light source, in operation emitting light with a source side light intensity distribution, the source side light intensity distribution having a first intensity region and a second intensity region, with the first intensity region having a higher light intensity than the second intensity region, and a semi-transparent layer, disposed between the at least one light source and an outside of the interior aircraft light unit, for transforming the source side light intensity distribution into an adjusted light intensity distribution, wherein the semi-transparent layer has a transparency distribution having a lower degree of transparency in the first intensity region than in the second intensity region, such that the adjusted light intensity distribution is closer to an even light intensity distribution than the source side light intensity distribution.

Abstract: The present invention comprises a semiconductor-type light source, a lens, a lens holder, and a heat sink member. Positioning sections are provided in the lens and the lens holder, respectively. The positioning section in the lens holder comprises a pressing section and a positioning surface. The positioning section in the lens comprises a protrusion-receiving section and a positioning protrusion section. As a result, the present invention is capable of accurately positioning the lens, relative to the lens holder, in the standard optical axis direction of the lens.

Abstract: A vehicle lamp includes a shade movable between a light blocking position and a light blocking release position. A light emitting surface of a light emitting element faces one side in a lateral direction and an upper end edge of the light emitting surface extends in a front-rear direction. A reflective surface of a reflector includes a first reflective area and a second reflective area. A low-beam light distribution pattern having a horizontal cut-off line and an oblique cut-off line is formed by a reflected light beam from the first reflective area when the shade is at the light blocking position, and a high-beam light distribution pattern is formed by the reflected light beams from the first reflective area and the second reflective area when the shade is at the light blocking release position.

Abstract: A lighting and/or signaling device for a motor vehicle able to perform a side signaling function, the device comprising a bezel provided with an opening and a reflex-reflective element arranged at this opening, the reflex-reflective element being mounted to the rear of the bezel.

Abstract: A light assembly including two light sources through a single inner lens made of two separate materials includes a first light source that is operable to emit light for a position light function of the vehicle, and a second light source that is operable to emit light for a Daytime Running Light function of the vehicle. The light assembly further includes an inner lens having a first portion and a second portion. The first portion is formed from a mixture of polymethyl methacrylate and polyetheresteramide, and is operable to receive light from the first light source adjacent a light receiving edge of the first portion and reflect the light to provide the position light function. The second portion of the inner lens is formed from polymethyl methacrylate without polyetheresteramide, and is operable to receive light from the second light source and direct the light to provide the DRL function.

Abstract: A headlight heat dissipation device includes a headlight casing which has at least one hole and at least one metal-made and heat-conducting unit covers the at least one hole. The at least one metal-made and heat-conducting unit includes at least one slot which communicates with the at least one hole. A water-proof and air-permeable unit is mounted to the at least one metal-made and heat-conducting unit and covers the at least one slot. The at least one metal-made and heat-conducting unit has an extension portion located in the headlight casing and the extension portion is connected with the light source so as to transfer the heat from the light source to the at least one metal-made and heat-conducting unit to quickly bring the heat away from the headlight casing.

Abstract: A light emitting apparatus comprises a housing having a light transmitting member provided on a side surface thereof, and at least one light emitting unit housed in the housing.

Abstract: Embodiments provide a light-emitting device including a light source, and a lens disposed above the light source. The lens includes a lower part having a first recess formed in an optical-axis direction so as to face the light source, and an upper part having a second recess formed in the optical-axis direction so as to be opposite to the lower part. The first recess and the second recess are spaced apart from each other by a separation distance within a range from 1 mm to 4.7 mm on an optical-axis.

Abstract: Devices and methods for uniform illumination of a target surface are disclosed. A device assembly has a light source configured to be coupled to a mounting surface, and at least one reflector. The reflector is configured to be coupled to at least one of the light source or the mounting surface, and interposed between the light source and the mounting surface, the reflector having a reflective surface area and a plurality of curved reflective segments. The reflector is shaped and arranged relative to the light source such that the reflector directly intercepts and reflects a portion of light emitted by the light source to the target surface to thereby cause substantially uniform illumination of the target surface. The target surface has a surface area that is greater than the reflective surface area of the at least one reflector.

Abstract: A luminaire includes a reflector having a central channel for receiving a light emitter, a first side portion extending from the central channel in a first direction, and a second side portion extending from the central channel in a second direction. A first set of apertures extends through the first side portion and a second set of apertures extends through the second side portion.

Abstract: A broadband light source includes a first electrodeless lamp to generate first broadband light from plasma, a first elliptical reflector having first and second focuses, the first elliptical reflector enclosing a rear portion of the first electrodeless lamp positioned at the first focus of the first elliptical reflector such that the first broadband light is reflected from the first elliptical reflector toward a light collector as a collective light, a symmetrically curved reflector having a third focus, the symmetrically curved reflector positioned such that the third focus is coincident with one of the first and second focuses, and a laser irradiator to provide a laser beam to the first electrodeless lamp.

Abstract: A light source device includes a light source that emits light including light having a wavelength in the ultraviolet region, a first filter that removes light of a particular wavelength region of the ultraviolet region among light from the light source and that transmits light of another wavelength region, a second filter that is arranged on a side of the first filter opposite to that on which the light source is arranged, and that removes light of a wavelength region that is different from the particular wavelength region of the ultraviolet region among the light transmitted by the first filter, wherein the second filter has a half-value wavelength that is shorter than a half-value wavelength of the first filter.

Abstract: An illumination device (100) for illuminating an at least partially reflective surface (S) viewable by an observer (O) is disclosed. The illumination device (100) comprises a light-emitting module (110, 120) adapted to generate polarized light having a selected direction of polarization. Further, the illumination device (100) is adapted to illuminate the at least partially reflective surface (S) with to effect the polarized light, and is adjustable so as adjustment in the direction of polarization of light illuminating the at least partially reflective surface (S) in relation to the orientation of a plane of incidence of light incident on the at least partially reflective surface. An indicator (130) is arranged such as to provide guidance for the observer (O) how to adjust the direction of polarization of light illuminating the at least partially reflective surface (S). Thereby, the extent of light reflection from the at least partially reflective surface (S) may be adjusted.

Abstract: A product display member is disclosed. The product display member includes an attachment portion, an elongated portion, a light source, and an information display portion. The attachment portion is configured to engage a portion of a shelf. The elongated portion is disposed in mechanical cooperation with the attachment portion. The elongated portion defines a lumen extending at least partially therethrough. The light source is disposed in mechanical cooperation with the lumen. The information display portion is disposed in mechanical cooperation with the elongated portion.

Abstract: This disclosure provides a lighting device that includes an outer frame, an inner frame, and a planar light emitter. The outer frame includes a top member, a bottom member, and one or more vertical members connected between the top member and the bottom member. The inner frame has a geometry smaller than the outer frame, wherein the inner frame is located within the outer frame and connected to the outer frame via one or more connecting arms, wherein the length of the connecting arms determines the vertical position of the inner frame within the outer frame. The planar light emitter is mounted to the inner frame, which includes a plurality of light-emitting diodes (LEDs), wherein the plurality of LEDs are located in a two-dimensional plane that is approximately parallel with the top member and the bottom member.

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 decorative lighting apparatus is described herein, having a frame, the frame having a base, two side members, and multiple cross members, multiple, adjustably rotatable laser lights, wherein the laser lights are mounted on the cross members, wherein the laser lights are removably attached to the cross members, multiple brackets, wherein the laser lights are attached to the cross members by the brackets, and a power supply operatively connected to the laser lights, wherein the laser lights are infinitely configurable around the frame.

Abstract: The “Permanently Installed Hide-Away Christmas Light Panels” provide a platform to house a variety of LED light displays in a rigid framework that can be permanently installed on the outside of any house or building that has a roof overhang and recessed soffit face. The panels are constructed using a mold injection process. The panel is constructed in two parts: a bottom plate that forms the shell of the panel and houses the channels, wells and framework tor the panel, and a flat top plate that completes the enclosure of the panel. Preexisting light strings can be snapped into the bottom plate assembly and covered with the top plate to create the finished panel. Terminal connections between two or more LED light strings are made on the outside of the two adjacent panels.

Abstract: A firefighter's emergency boot light that has a built-in LED light generator position to cast a beam of light out of the bottom of a heel or sole of a fireman's boot. The light source can cast a very bright, blinking beam of light out of the bottom of the boot in a backwards direction to allow a firefighter crawling behind another to see the feet one crawling ahead inside a dark, smoky structure. The LEDs typically are white for maximum visibility, and typically blink at a rate of several times a second. The LEDs are electronically activated either from a radio unit located at a control point for example, on the fire engine. Activation signals can be coded to turn on specific boots, or general to turn on all boots at a scene. The boots can use rechargeable batteries.

Abstract: The light device has USB charger has AC outlet power source has though the AC-to-DC device to change from 1st Alternative current to 1st voltage Direct current and the 1st voltage DC current though the circuit-inside or IC or DC-to-DC circuit to get 2nd voltage or though more DC-to-DC devices to get more voltage DC current. The light device has At least one of voltage DC current to supply to USB Charger Charging-port output-end at 5Volt and one of desire voltage DC current to supply to DC light source. Or/The 1st AC current to AC light source and has one of DC current selected from 1st, 2nd, or more voltage DC current to USB Charger charging-port's output end so the said light device has (1) illumination function by DC or/and AC light source and (2) USB charger function by supply desired 1st or 2nd or more other voltage DC current to USB charging-port at 5Volt DC. The light device optional has outlet-ports to get 1st AC directly though conductive parts to outlet-ports to supply AC to other device.