Abstract: A LED tube (41) comprises one or more LED components (34) and a current control unit (33) installed therein. Both ends of the LED tube (41) are provided with a contact pin pair (37, 38, 39, 40) for connecting the LED tube mechanically and electrically to tube holders of a fluorescent tube lighting fixture. The LED tube includes a safety unit (42, 43, S1) arranged to prevent a voltage from passing through the LED tube (41) from its one end to the other end thereof until at both ends of the LED tube, a voltage (U1, U2) fed from the corresponding tube holder of the lighting fixture to the contact pin pair (37, 38, 39, 40) has been detected separately.

Abstract: An illuminating device (3) includes a plurality of cold cathode fluorescent tubes (discharge tubes) (9); inverter circuits (drive circuits) (17) that are connected to the plurality of cold cathode fluorescent tubes (9) and respectively light the plurality of cold cathode fluorescent tubes (9); a metal chassis (10) accommodating the plurality of cold cathode fluorescent tubes (9); and a reflecting sheet (11) formed of synthetic resin for reflecting light from the plurality of cold cathode fluorescent tubes (9). The chassis (10) is provided with a frame-shaped frame body (10a), and a plurality of rib members (10b) arranged respectively for the plurality of cold cathode fluorescent tubes (9) and attached to the frame body (10a) in parallel to the longitudinal direction of the cold cathode fluorescent tubes (9) on a side directly below the cold cathode fluorescent tubes (9).

Abstract: A LED illumination device includes a base plate, a plurality of LEDs, a driving circuit and a control circuit. The plurality of LEDs, the driving circuit and the control circuit are arranged on a surface of the base plate and electrically connected to each other. The control circuit is configured for controlling the driving circuit to output a driving power. The plurality of LEDs emit light based upon the driving power. Thus the base plate, the LEDs, the driving circuit and the control circuit are integrated in a same device for simplifying the whole structure thereof to be easily assembled.

Abstract: An light emitting diode lamp assembly in accordance with an embodiment of the present application includes a base, a ballast circuit mounted on a circuit board and operable to provide a desired output current and a light emitting diode electrically connected to the ballast and driven by the output current of the ballast circuit to provide light. The base is filled with a thermally conductive substance and the circuit board is mounted in the base and in thermal contact with the thermally conductive substance such that heat is drawn away from the light emitting diode through the circuit board and into the thermally conductive substance to the base.

Abstract: A backlight unit capable of preventing its mis-operation and the generation of sparks due to electrical connection defects is disclosed. The backlight unit includes: a plurality of lamps emitting lights; a lamp printed-circuit board including a power supply portion electrically connected to the plural lamps and a connector wiper transferring a drive voltage to be applied to the power supply portion; a connector including a connector housing, engaged with the connector wiper and electrically connected to the connector wiper, and wires electrically connected to the connector housing; and another printed-circuit board, electrically connected to the wires, applying the drive voltage to the lamp printed-circuit board. The connector housing includes stoppers extruded toward the lamp printed-circuit board. The stoppers prevent a contact defect of the connector wiper and the lamp printed-circuit board which is caused by the connector housing.

Abstract: A lighting device comprises a serpentine shaped CCFL, a driver driving the CCFL, a connector that allows the device to connect to and receive power from conventional power sockets, and a fixture that connects them into a single device. Such device can be used for general lighting purposes and replaces incandescent and other fluorescent lamps in current use without having to change electrical sockets. The fixture mechanically connects the CCFL, the driver and the connector to form an unitary mechanical structure. Preferably an air gap is maintained between the CCFL and the driver.

Abstract: A movable light bar assembly includes a primary frame having a side coupled with a secondary frame and an opposite side coupled with at least one lighting element and a battery element. The secondary frame has a surface provided with solar chips and is provided internally with a photoelectric transducer electrically connected to the battery element and the at least one lighting element. Each lighting element is provided with at least one light-emitting body and secured to the primary frame by a lamp cover. The battery element is secured to the primary frame by a battery cover. The primary frame is peripherally provided with at least one rotatable handle which, when angularly offset from the primary frame, serves to support the primary frame. The at least one handle is insertable into a fixing base and connectable with a hanging cord. The primary frame can be positioned at a lamp frame.

Abstract: A linear light-emitting diode (LED)-based solid-state lamp having a double safety mechanism that comprises at least three shock protection switches, fully protects a person from possible electric shock during re-lamping or maintenance. One protection switch provided at each end of the lamp is able to cut off power when the associated end of the lamp is not inserted into the lamp socket. A third protection switch can be used to turn off the power from the AC main for additional shock protection.

Abstract: A linear light-emitting diode (LED)-based solid-state device comprising at least two shock protection switches, at least one each at the two ends of the device, fully protects a person from possible electric shock during re-lamping with LED lamps.

Abstract: The combined ballast apparatus provides dual function, as both slave ballast and emergency battery ballast, without the expense of a dual installation of ballast onto or into a light fixture. The apparatus is further designed for best efficiency in mounting and in service and removal. The mount holes and quick clips provide for installation to existing fixtures without the need for screwdrivers, for example. The quick connects allow the apparatus to be quickly plugged and unplugged from a light fixture, without having to strip wires and use wire nuts or the like. If equipped with the apparatus and needing a ballast change, the fixture is serviced in a matter of perhaps ¼ to ? the time previously required, without the litter.

Abstract: A detachable ballast housing for use with fluorescent lights includes a ballast, a housing for the ballast, and electrical contacts for detachably mounting and dismounting to a lighting fixture without connecting or disconnecting power wires.

Abstract: A hatch is provided for a fluorescent lighting fixture having a continuous reflector covering the central section. The hatch is covered by a cover of compatible contour cut through the reflector underneath the location of the ballast in the housing above the reflector. The hatch cover is finished in the same surface as that of the reflector to minimize any disruption to the intended reflective pattern and to blend visually with the reflector. Two or more preferably quick-connect fasteners attach the hatch cover to the reflector. To gain access to the ballast, the lens or diffuser is removed and then the fluorescent lamp tubes which would interfere with the hatch cover are removed. The hatch cover is then removed to gain unobstructed access to the ballast from the underside of the fixture.

Abstract: An adapter for a T12 fluorescent light fixture that is used to convert the fixture into a T5 or T8 fixture. The adapter includes a male input for receiving power supplied by the T12 ballast. The adapter has circuitry that adjusts the power supplied by the T12 ballast to parameters usable by a T5 or T8 fluorescent lamp. Also, the adapter includes a female output for outputting the usable power from the circuitry. The usable power drives the T5 or T8 fluorescent lamp.

Abstract: A track light module for use with a low-voltage track carrying a pair of elongated conductors transversely spaced from each other and accessible through a longitudinal slot in the track. The module includes a first housing that contains a printed circuit board carrying an LED and forming an aperture permitting light from the LED to be radiated beyond the first housing. A second housing carries a pair of electrical conductors adapted to extend into the low-voltage track to make contact with the conductors within the track. The second housing also includes surfaces for fastening the second housing to the track when the second housing and the track are moved relative to each other. A pair of electrical contacts on the printed circuit board contact the conductors carried by the second housing and thereby receive electrical power for the LED. A connector attaches the first and second housings together.

Abstract: An integrated and modular lighting system is disclosed. The lighting system includes a plurality of modules, each module including at least two echelons of light emitting diodes and a power supply on a common substrate. The modular lighting system is used to provide uniform illumination of an enclosed display stand.

Abstract: A backlight unit with socket connecter includes: a bottom frame having a topside and a backside; at least one lamp on the topside of the bottom frame; a socket connector disposed on a backside of the bottom frame, the socket connector being connected to the lamp; and a backlight circuit board having a plug connector connected to the socket connector.

Abstract: Gas discharge lamps can be driven with a circuit with a small form factor by an arrangement comprising a planar printed wiring board with at least one coil for driving a gas discharge lamp, wherein a reflector plate of the gas discharge lamp supports the planar printed wiring board.

Abstract: A battery operated fluorescent lamp is disclosed, which is operable from the battery while the battery is being recharged, comprising a tubular housing configured as a handle grip at one end and a cylindrical lens portion at the other end. The tubular housing lockably connects to a battery pack. The cylindrical 3030 lens portion encloses a miniature fluorescent bulb. The electrical circuitry, enclosed within the handle grip and alternately operable from either 120 VAC or 12 VDC, includes a converter circuit, a battery charging circuit, and a fluorescent lamp ballast circuit. The battery pack is electrically coupled to simultaneously receive charging current from an output of the charging circuit and to deliver DC supply voltage to the fluorescent lamp ballast circuit without the occurrence of a net discharge of the battery pack.

Abstract: A lamp socket includes connection terminal bodies including connection terminals provided in sides of the lamp socket to contact with connection pins of the lamp, and connection terminal recesses into which the connection terminals are inserted, and connection caps to slide to press and fix the connection pins when the connection pins contact with the connection terminals.

Abstract: A back light unit for a display apparatus having a power supply includes: a lamp part having a plurality of lamps; and an inverter board which is provided on a path through which power is supplied from the power supply to the lamp part, and includes a connector assembly provided on one side of the inverter board, the connector assembly including at least one female connector in which a plurality of socket accommodators provided to supply the power to the lamps is formed as one body, and at least one male connector on which a plurality of socket connectors connected to the socket accommodators is formed as one body.

Abstract: A compact luminaire which includes a housing, a ballast, and a first and second electrical component. The housing has a back and a perimeter wall which extends generally perpendicularly from the back. The perimeter wall has a top wall portion, a bottom wall portion disposed in a downward direction with respect to the top wall portion and sidewall portions connecting the top wall portion and the bottom wall portion. The ballast is mounted to the back adjacent the bottom wall portion and is substantially equidistant to the side wall portions and the first and second electrical components are mounted to the housing on opposite sides of the ballast in a balanced fashion.

Abstract: A light fixture includes a raceway, a lampholder, and a power pack. The raceway includes an aperture and a locking aperture. The lampholder is electrically connected to a lampholder connector. The power pack includes a power pack cover and a ballast. The power pack cover includes a latching end. The ballast includes a power input connector adapted to electrically connect to a power cord and a ballast output connector adapted to electrically connect to the lampholder connector. The latching end includes a flange adapted to mate with the aperture of the raceway and a locking protrusion adapted to mate with the locking aperture of the raceway such that the power pack is detachably mountable to the raceway.

Abstract: A light fixture includes a raceway, a lampholder, and a power pack. The raceway includes an aperture and a locking aperture. The lampholder is electrically connected to a lampholder connector. The power pack includes a power pack cover and a ballast and a deployable sensor. The deployable sensor includes a sensor head, a conduit and pivotable coupling that permits movement of the sensor between a deployed position and a stowed position. The power pack cover includes a latching end. The ballast includes a power input connector adapted to electrically connect to a power cord and a ballast output connector adapted to electrically connect to the lampholder connector. The latching end includes a flange adapted to mate with the aperture of the raceway and a locking protrusion adapted to mate with the locking aperture of the raceway such that the power pack is detachably mountable to the raceway.

Abstract: The main housing is formed as an elongated plastic hollow molded top cover having a ballast recess and a pair of line openings. The ballast is placed in the ballast recess. The seal ring provides a watertight seal against line opening when locking ring is secured to the ballast. The main housing is mounted to a building surface. A reflector fits between the main housing and a pair of bulbs. The bulbs are retained in end terminals. A main seal bits between main housing and main cover. The clip junction on the main cover receives a housing clip. The housing clip biases the main cover against the main housing with the main seal in between forming a watertight seal.

Abstract: A compact reflector fluorescent lamp unit includes a lamp cap, a lamp tube, an electronic ballast assembly, a circuit board, a housing, an intermediate plate, a reflection cup, and a transparent plate. The intermediate plate and the housing, the intermediate plate and the circuit board, and the intermediate plate and the reflection cup are tightly assembled together. The reflection cup is connected to a lower surface of the intermediate plate and arranged independently underneath the housing, and has an internal surface having a high degree of fineness, and an external surface having a high degree of roughness by frosted finishing, thereby allowing the radiation heat generated through the body of the reflection cup to be dissipated by the external surface.

Abstract: A light-emitting diode lamp which can be directly inserted into a lamp holder supplying AC power can utilize a power supply unit in a connector to supply the rectified and transformed power to an emission board to enable the light-emitting diodes on the emission board to emit light. Since the power consumption can be greatly reduced by using the light-emitting diodes, and the power supply unit or the emission board is replaceable, respectively, the requirements of environment protection and energy-saving can be satisfied.

Abstract: A structure for attaching a fluorescent tube includes a base, a holder supported by the base, and a pair of contacts. The holder holds an intermediate portion of the fluorescent tube while restraining the fluorescent tube from moving in a radial direction. To the pair of contacts, terminals of a pair of end portions of the fluorescent tube are respectively attachable in an attaching direction corresponding to the radial direction of the fluorescent tube. Each contact includes a pair of elastic pieces facing each other. The pair of elastic pieces have a pair of straight portions extending substantially straight along the attaching direction and facing each other. On the pair of straight portions, a pair of contact portions for clamping the corresponding terminal of the fluorescent tube therebetween are formed.

Abstract: A backlight module including a plurality of lamps, a first circuit board, and a second circuit board is provided. Each lamp has a first electrode and a second electrode. The first circuit board has a plurality of first openings and first conductive clips. The first electrode is disposed to extend through the first opening and to be clamped by the first conductive clip. Furthermore, a plurality of current adjustment devices is disposed on the first circuit board. The current adjustment device is electrically coupled to the first electrode through the first conductive clips. In the backlight module, the conductive clips or clamping pins of the current adjustment devices are used to hold the electrodes of lamps, thereby facilitating the assembly process of backlight module.

Abstract: A backlight unit for a display device includes a frame; a first circuit board extending along one end of and on a first surface of the frame; lamps over the frame, one end of each of the lamps disposed on the first circuit board; a first line on the first circuit board and connected to the one end of each of the lamps; and a first inverter on a second surface of the frame and connected to the first line via a first hole through the frame.

Abstract: The invention relates to a flush-mounted flashing light for approach guidance of aircraft, having a housing which has a housing pot (10) which can be inserted below ground level (F) and a housing cover (12) which covers this approximately at ground level (F) and having an optical system, which is arranged in the housing for controlled production and directed emission of light flashes, which comprises a light source (20) for production of light flashes and a prism (40) for varying the direction of the beam direction of the light flashes, with at least one light outlet opening (13) being provided in the housing cover (12) for light flashes to emerge from in a predetermined emission direction.

Abstract: A backlight module comprising a back bezel, at least one light emitting device, a first circuit board, and a second circuit board is provided. The light emitting device, which has an electrode, is disposed on the side of the back bezel, while the first circuit board is disposed on the edge of the back bezel. An elastic clip is used to electrically connect the first circuit board directly with the electrode of the light emitting device, while the second circuit board is electrically connected to the first circuit board.

Abstract: A hatch is provided for a fluorescent lighting fixture having a continuous reflector covering the central section. The hatch is covered by a cover of compatible contour cut through the reflector underneath the location of the ballast in the housing above the reflector. The hatch cover is finished in the same surface as that of the reflector to minimize any disruption to the intended reflective pattern and to blend visually with the reflector. Two or more preferably quick-connect fasteners attach the hatch cover to the reflector. To gain access to the ballast, the lens or diffuser is removed and then the fluorescent lamp tubes which would interfere with the hatch cover are removed. The hatch cover is then removed to gain unobstructed access to the ballast from the underside of the fixture.

Abstract: A replacement light fixture for directing light emitted from a light source toward an area to be illuminated, including a base member upon with the light source is positioned and a reflector assembly detachably secured to a first and second mounting brackets that are mounted to a portion of the preexisting light fixture housing such that a lens portion of the reflector assembly overlies the light source and such that substantially all of the light emitted from the light source passes through the lens portion.

Abstract: A light fixture includes a lampholder mounted to a raceway, where the lampholder is electrically connected to a lampholder connector. A power pack includes a power pack cover and a ballast. An outer surface of the power pack cover includes an emissive coating such that heat generated by the ballast is emitted from the power pack cover. The ballast is mounted in direct contact with the power pack cover such that the heat generated by the ballast is conducted from the ballast to the power pack cover. The ballast includes a power input connector adapted to electrically connect to a power cord and a ballast output connector adapted to electrically connect to the lampholder connector.

Abstract: An illuminated elevator lighting system including an elevator cage, a plurality of cold-cathode fluorescent lamps disposed on a ceiling surface of the cage and arrayed in parallel, a reflection plate which reflects an illumination light from the cold-cathode fluorescent lamp, and a stabilizer which lights the cold-cathode fluorescent lamp.

Abstract: A lamp fixture includes a housing with a high voltage end lamp socket therein. A fluorescent lamp extends from the socket. A heater is at the fluorescent lamp at the high voltage end lamp socket and is adjacent to. The heater includes a plate radiator which is attached to the outside of the light reflector and a thermostat. The thermostat is hooked to the line voltage to the fixture. A substantially clear heat reflector extends partially around the fluorescent lamp and, with the heater, substantially encloses circumferentially the fluorescent lamp at the high voltage end lamp socket. The reflector is pivotally mounted relative to the fluorescent lamp to allow retraction of the heat reflector for placement of the fluorescent lamp. A light reflector extends partially around the fluorescent lamp.

Abstract: A portable reading lamp includes a lower and an upper cover assembled together to enclose therein a printed circuit board (PCB), a plurality of light-emitting units, a laser-illuminating unit, a power supply unit, and switches for switching on and off the light-emitting units and the laser-illuminating unit. The assembled lower and upper covers define an inward curved front surface, from where the light-emitting units irradiate light onto a predetermined area to help in reading at a dark place without the need of a light-guiding plate, enabling a largely reduce size of the portable reading lamp. With the laser-illuminating unit, the portable reading lamp may serve as a laser pointer. And, magnets may be externally attached a bottom of the lower cover, enabling the portable reading lamp to serve as a magnetic memo holder.

Abstract: An apparatus, system, and method are disclosed for replacing an incandescent lamp with a ceramic metal halide (“CMH”) lamp in a framing projector. A CMH base is connected to a framing projector body at a connection for an incandescent lamp base for an incandescent lamp. The CMH base positions a CMH lamp relative to a focal point of a reflector within the framing projector body. The CMH lamp is plugged into a CMH socket on the CMH base and the framing projector body includes an opening and connection for an incandescent base holding an incandescent lamp relative to the focal point. A CMH ballast for the CMH lamp is included and is connected to the CMH base and to an electrical connection of the incandescent lamp base.

Abstract: A high bay induction fluorescent lighting fixture having a multiple of nested circular lamps suspended on a post below the ballasts therefor and enclosed in a reflector.

Abstract: A lamp assembly, light supplying module and LCD device using the same are provided. The LCD device includes the light-supplying module for generating a first light, a light distribution-changing module for receiving the first light and changing the optical characteristics of the first light to output a second light, and a display module for receiving the second light having improved optical characteristics, the light distribution-changing module being coupled to the light-supplying module by means of a first engaging member, the display module being coupled in the light distribution-changing module by means of a second engaging member, and the display module, light distribution-changing module and light-supplying module being coupled to each other by means of a third engaging member. Therefore, each component of the LCD device having above structure is easily separated, replaced and easily repaired.

Abstract: Disclosed is a light fixture device comprising an elongate housing, the housing having a pair of opposed edge faces, a first central longitudinal region and a pair of second longitudinal regions, the first longitudinal region being centrally located therebetween, the first and second longitudinal regions extending between the two edge faces, the central first longitudinal region including at least one light emitting portion, one of the second longitudinal regions including at least one sensor portion, the at least one sensor portion being positioned at a location which is optimally selected relative to a work station in a room space below the light fixture device and/or relative to one or more ambient light sources near the light fixture device, the location being one of a plurality of possible locations along a substantially continuous location line extending between the two edge faces.

Abstract: A modular light fixture specially adapted for flexible, cost-effective, and safe retrofit and maintenance, particularly in large commercial lighting applications. The light fixture preferably includes a frame with one or more lampholders and a detachable power pack with a ballast, with modular connectors used to provide an electrical connection between the detachable power pack and the lampholders. Other aspects of the invention relate to methods of redeploying lighting, and a modular light fixture kit, for example to be used in lighting retrofit and maintenance.

Abstract: An interconnection arrangement features a housing having multiple exterior surfaces. The housing is configured to receive an electrical device therein and has a plurality of the multiple exterior surfaces each having at least one mortise connection feature formed therein which is configured to receive a tenon associated with an accessory and to connect the accessory to the housing.

Abstract: A lighting assembly includes a discharge lamp having a discharge tube with a longitudinal centerline reaching between opposite ends of the tube. A pair of electrodes are mounted at opposite ends of the discharge tube. The lamp has a pair of connectors each connected to a different corresponding one of the pair of electrodes. Each of the connectors have at least one pin (a) externally mounted alongside the discharge tube without extending past the ends of the tube, and (b) extending at an angle no greater than an acute angle relative to the centerline. The assembly also has a lamp fixture with an elongate housing and a pair of sockets mounted at opposite ends of the housing. Each of the sockets includes at least one longitudinal slot having an opening extending longitudinally between a proximal side of the slot and an open distal side of the slot. The longitudinal slot has an electrical contact.

Abstract: A backlight module includes a frame with a bottom surface and at least one protrusion with a hole formed on the bottom surface of the frame. A tube set configured in the frame, a diffusion plate configured over the frame, and at least one support component configured within the fluorescent tube set, wherein the support component includes a support body with a projection on its bottom and fixes the projection into the hole to sustain the diffusion plate. A set of fin set around the projection separately. The backlight module can be applied to the flat panel display.

Abstract: A work light structure according to the present invention comprises: a light source module having a long slender housing laterally and inwardly connected with a printed circuit board so as to partition the housing into a lighting portion and an accommodating portion, the printed circuit board being coupled with a plurality of light emitting diodes (LEDs) arranged in line inside the lighting portion and each of the two ends of the housing is connected with an end cap, respectively, for capping the ends, and one of the end caps is disposed with a power supply device; an extension device disposed in the accommodating portion and formed by connecting at least a resilient component with its two ends onto a connecting rod, respectively, whose external end is inserted through a rod hole at the end cap and is connected with an externally protruding hook; the two hooks are hooked onto two ends of a connecting object to extend the resilient component, such that the power supply device may provide power to the printed c

Abstract: A modular light fixture includes a fixture body having a frame with a top a bottom. The top defines a ballast channel and the bottom has a reflector formed from a sheet material. A lampholder is mounted to the frame and receives and electrically connects to a fluorescent tube positioned adjacent to the reflector. A detachable power pack is removable from the top of the frame and includes a ballast channel cover that detachably engages the ballast channel on the top of frame, and a ballast mounted to the ballast channel cover and having power input wiring, and ballast output wiring electrically connected to the lampholder. A power input connector has a socket portion mounted to the ballast channel cover and electrically connected to the power input wiring of the ballast, and a plug portion connected to a power supply line to provide electrical power from a power source.

Abstract: The fluorescent lamp retaining member retains two lamp units each including two fluorescent lamps that have electrodes at both ends thereof, a bundling member that bundles a wire from each of electrodes at one end of the two fluorescent lamps, and a conductive member that connects electrodes at the other end of the two fluorescent lamps through a conductive path. The fluorescent lamp retaining member holds the vicinity of the central of each of the fluorescent lamps so arranged in parallel as to set the bundling members in the same direction. The fluorescent lamp retaining member allows one retained lamp unit to rotate relative to the other retained lamp unit adjacent thereto, and so retains the lamp units adjacent to each other that the bundling members and conductive members are arranged alternately after one lamp unit has been rotated.

Abstract: A backlight unit of a liquid crystal display for arranging a wire for supplying a driving current connected to a common electrode to be penetrated a piece provided at the inside portion is disclosed. In the backlight unit of the liquid crystal display, a cover bottom includes an accepting space to which the reflection sheet is attached. A first and a second side bottoms are arranged within the accepting space of the cover bottom, and are located to be symmetrical with both sides of the reflection sheet. A first and second common electrodes are commonly connected to both side ends of the plurality of lamps. A first piece is located between the lamps, and is formed to penetrate the first side bottom and the cover bottom. And wherein, a first wire for supplying a driving current connected to the first common electrode is arranged to penetrate the first common electrode.

Abstract: A lighting fixture where the lighting fixture uses inductive lighting technology or self ballasting lighting elements with one or a plethora of efficient light elements. The lighting fixture is used where high bay or low bay lighting may be used, but incorporates multiple light sources to provide an equivalent light intensity. The multiple light sources can be inductive or multiple fluorescent, LED or other efficient light sources to provide a less expensive cost of operation and installation. The higher efficiency lights could be standard socket type fluorescent or inductive light bulbs that are easily available. The higher efficiency lights will also create less heat that will further reduce the air conditioning or cooling costs for the building. An integrated ballast box with reflector dome retainer is also shown for use with inductive or other lighting that further includes a retaining mechanism for the dome.