Abstract: A water-proof decorative lamp and a lamp string are disclosed. The water-proof decorative lamp includes a light source body, connecting wires and a water-proof component. The water-proof component includes a light-emitting chip and a packaging body, the light-emitting chip is arranged in the packaging body and is provided with two pins extending out of the packaging body, the connecting wire includes a conductive wire and an insulating layer wrapping the conductive wire, the conductive wire protrudes out of the insulating layer to form a connector, and the two pins are respectively connected with the connectors. The water-proof component includes an isolating column between the two pins and a sleeve arranged around the insulating layer at one end, and the packaging body at the other end, the isolating column is made of a hot melting material, and the sleeve is made of a heat-shrinkable material.

Abstract: A universal light mounting box for retrofit is described. The retrofit light mounting box attaches to a junction box and receives electrical power from the junction box cables. The mounting box includes a canopy housing and a camera housing to provide wireless communication of both audio and video capabilities for the area around the junction box while also providing controlled power to a light fixture which is attached to the mounting box. A depending camera housing provides both audio and video signals which can be transmitted from the retrofit canopy housing electronics to a user's device.

Abstract: A modular light system comprising a light module comprising a heat sink having a first side with a first mechanical coupling and a second side with a second mechanical coupling, a solid-state light emitting component connected to the heat sink, and a junction box with a first electrical coupling and a second electrical coupling, at least one being electrically connected to the solid-state light emitting component. The modular light system further comprises a base module removably connected to the first side by the first mechanical coupling and the first electrical coupling, and having a connection for power input to the modular light system to provide power to the solid-state light emitting component. A head module is removably connected to the second side by the second mechanical coupling and the second electrical coupling, and has a power terminal end connector.

Abstract: A locking structure includes a terminal fitting and a terminal containing portion that holds and contains the terminal fitting so that the terminal fitting is electrically connected to a connection counterpart in a condition that at least part of the connection counterpart is inserted in the terminal containing portion. A first lock projection which is elastically deformable and is provided on the terminal fitting is locked on a second lock projection which is provided on the terminal containing portion. The at least part of the connection counterpart inserted in the terminal containing portion restricts elastic deformation of the first lock projection in a direction in which the first lock projection is unlocked from the second lock projection.

Abstract: A backlight unit is provided which includes: a light guide plate which guides incident light from a lateral side of the light guide plate toward a liquid crystal display (LCD) panel placed in front of the light guide plate; a light source unit which includes a light source which emits the light and a light source supporting member which supports the light source and is arranged adjacent to the lateral side of the light guide plate; a supporting frame which is arranged in the backlight unit; a quantum dot (QD) bar which is arranged between the lateral side of the light guide plate and the light source and changes a color of the light emitted from the light source; and a QD-bar fastening unit which fastens the QD bar to at least one of the light source supporting member and the supporting frame.

Abstract: Automotive bulbs and including at least one printed circuit board electrically connected to a standard automotive bulb base, and a plurality of light emitting diodes (LEDs) arranged on the circuit board to project light in at least two opposite directions. In some embodiments, circuit boards are arranged in an X pattern, and the LEDs are arranged to project light in substantially all directions about the longitudinal axis of the automotive bulb.

Abstract: A pair of terminal portions of a bus bar is composed of a first terminal portion and a second terminal portion extended along a sidewall of the base portion. Each of the first and second terminal portions has a spring portion for generating biasing force toward a direction of holding the base portion, and a contact portion provided on a tip of the spring portion. The contact portion of the first terminal portion abuts on a contact lead wire, and the contact portion of the second terminal portion abuts on the sidewall of the base portion, thereby the contact portions hold the base portion therebetween. In a natural condition that the bulb is not inserted and the spring portion is not elastically deformed, the pair of terminal portions is displaced from a center plane toward the one side corresponding to a projection size of the contact lead wire.

Abstract: A bulb socket and a lighting system, which can reduce components and dimensions and improve a force for holding a bulb, are provided. A housing has an insertion hole including an opening for receiving a base portion of a bulb, and a plurality of projection portions projecting from a deep side wall of the insertion hole toward an opening side. The projection portions are opposed to each other so that the base portion is sandwiched therebetween. A distance between the projection portions is formed smaller than a cross-sectional dimension of the base portion. When the base portion is inserted into the insertion hole, the projection portions are elastically deformed away from each other, and contacts slidingly a surface of the base portion. The base portion is sandwiched by a biasing force of the elastically deformed projection portions in a biasing state, and thereby the bulb is held.

Abstract: A lamp module includes an external elongated housing made of at least one of a transparent and a translucent material; a lamp terminal with lamp pins at each end of the elongated housing, at least one cold cathode fluorescent lamp (CCFL) disposed in the external elongated housing a reflective layer disposed in the external lamp elongated housing, and an electronic connector adapter having a plurality of contact pins at one end and a plurality of connecting jacks at an opposite end for receiving the lamp pins of one of the lamp terminals.

Abstract: A split type LED lamp includes a base and a lamp body. The lamp body has an LED light board, a second plug portion, a battery slot and a battery, and the LED light board has a plurality of LED light sources and a wireless signal receiver. After the base and the lamp body are combined and installed to a lamp holder for receiving electric power and being used as a lamp bulb, or the lamp body is removed and used as a flashlight independently. In addition, the battery can be replaced to reduce unnecessary waste of resources, and the wireless signal receiver is provided for receiving a wireless control signal transmitted from a remote controller or a mobile communication device to drive the lamp body to emit light and improve the convenience of use.

Abstract: Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package.

Abstract: A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket.

Abstract: A lamp socket for supporting a light source provided with an LED, the lamp socket including a cooling element; a socket housing which includes socket contacts for electrically connecting the light source; and a lamp base which supports an LED connected to a heat conducting element and is insertable in the socket housing and includes base contacts which are connectable with the socket contacts through a contact force for providing power to the LED, wherein the cooling element on the socket side is connected with the heat conducting element on the base side with a contact pressure that promotes heat transfer, wherein the contact pressure is provided through a pressing force in order for the cooling element to absorb heat generated by the LED, wherein the electric contact between the socket contacts and the base contacts is provided so that it does not provide forces opposite to the pressing force.

Abstract: The present invention relates to lighting strips and more particularly to flexible lighting systems and devices, which are waterproof. The lighting strips are modular and are capable of being physically and electrically connected with one another to provide lighting systems that are waterproof and adaptable to many situations. Included in embodiments of the invention are modular lighting strips comprising: a non-conductive substrate strip comprising an electrical circuit; a plurality of high brightness LEDs operably connected to the electrical circuit; a colloid layer comprising polyurethane resin providing a waterproof coating over the substrate, the circuit, and the LEDs; and a plug at one end and a socket at an opposing end of the substrate which is integrally formed with the strip to provide for waterproof electrical interconnection of two or more circuits or to a power supply.

Abstract: A light emitting diode lamp, includes a pair of contacts for the electrical connection of the light emitting diode, wherein the pair of contacts includes two crimp contacts separated electrically from one another, each crimp contact including a conducting input including a conducting crimping skirt and a clinching zone intended to receive by clinching an electrical contact of the light emitting diode.

Abstract: An LED mounting seat includes a main body having a supporting surface that abuts against a light emitting portion of an LED, a connecting end that is connected to a circuit board, and a side surface that interconnects the supporting surface and the connecting end. The side surface is formed with a pair of lateral grooves. Each of the lateral grooves is defined by a groove-defining surface that has an abutting surface portion facing an opening of the corresponding one of the lateral grooves. The LED has two leads extending respectively through the lateral grooves and abutting respectively against the abutting surface portions of the groove-defining surfaces.

Abstract: A variety of lighting devices are provided to provide hands-free illumination to enable illumination without needed to hold a flashlight. The hands-free lighting includes lighted headgear, lighted eyeglass frames, lighted clothing, or a lighted head band.

Abstract: A vehicular light source unit includes: an LED element integrated with a pair of plate-like feeding terminals; and an LED socket including a pair of plate spring-like conductive terminals in which movable portions and supporting portions that are integrally formed by a conductive member hold the pair of feeding terminals from both sides, and a resin housing integrated with the pair of conductive terminals. The LED element is detachably supported by the plate spring-like conductive terminals through the feeding terminals and receives a power supply from both sides of the feeding terminals.

Abstract: A fixed base comprises an upper cover comprising an outer canister a top plate and a sidewall. The sidewall encircles the top plate to form a receiving room. An inner canister penetrates the receiving room and is attached to the top plate, which comprises a wall. At least one hatch is defined in the wall, and is connected to the receiving room. A positioning component is set inside the surface of the top plate. A limitation frame comprises a frame body, a connecting block, and a positioning block. The positioning block is slidably connected to the positioning component. At least one groove opposite the hatch is defined in the wall of the frame body, and comprises a sliding groove and a fixing groove connecting with the sliding groove. The fixed base further comprises a driver and a trigger switch.

Abstract: A LED module and interconnection system is disclosed. The LED module includes a lens, a housing, and a printed circuit board PCB having at least on LED disposed within the housing. The housing includes a plurality of openings providing physical and electrical access to the PCB. The interconnection system includes at least one LED module and a cable assembly. The cable assembly is configured to provide electrical connectivity to the LED module through an opening in the LED module housing.

Abstract: A combinational LED lamp includes an insulating housing, a first conductive contact, a second conductive contact, and an LED body. The insulating housing includes a first engaging surface with a first engaging portion and a second engaging surface with a second engaging portion. The first engaging portion is engaged with the second engaging portion. The two conductive contacts are all fixed on the insulating housing. Both the two conductive contacts include an integral internal section and two exposure sections exposing at the first engaging surface and the second engaging surface of the insulating housing. Two terminals of the LED body are each electrically connected with the internal section of the first conductive contact and of the second conductive contact. Therefore, multiple LED-lamp units can be incorporated so as to form various configurations of LED-lamp combinations.

Abstract: A lamp socket includes a body receiving a lamp, and a power supplying member disposed inside the body, the power supplying member a conductive elastomer, the power supplying member electrically interconnecting the lamp and an inverter substrate on which an inverter is mounted. The power supplying member includes a lamp connector receiving a lead wire of the lamp, and an inverter connector formed integrally with the lamp connector, wherein the inverter connector receives a protrusion of the inverter substrate to encircle the protrusion.

Abstract: The present invention includes a lamp cap and a lamp body. An interior of the lamp cap is provided with an illuminating element which is electrically connected with a circuit board. The circuit board is provided with electric contacts which are exposed at a bottom of the lamp cap and peripheries of the lamp cap are provided with latching parts. The lamp body includes a handheld part and a lamp holder. An interior of the lamp holder is provided with fastening parts which correspond with the latching parts of the lamp cap, allowing the lamp cap to be engaged on and electrically connected with the lamp holder. In addition, the handheld part is provided with a control switch.

Abstract: The present invention is to provide a lamp structure improvement in the two-lamps typed decoration lamp string. Each lamp body of the said lamp string is composed of a single soft head, a single soft core and a LED single body of the ordinary half-shaped type separately package-covered with a single lighting crystalline grain then leaned against each other to form a lamp of ordinary shape-and-sized single-piece LED such that the mutually assembled and formed single-piece-shaped LED can have two lighting crystalline grains and form a two-lamps typed lamp body. It thus can effectively lower the manufacturing cost of lamp body in the two-lamps typed decoration lamp string.

Abstract: A luminaire including a light source mounted on a base having a plug-in style connector attached to the internal wires of the luminaire for supplying AC power to the light source. The connector is adapted to mate with a plug-in style connector connected to wires of a J-box. The luminaire may include a second connector for connecting to a conditional actuation device. If the conditional actuation device is not used, a continuous actuation device may be connected to the luminaire. A method of installing a luminaire includes connecting an electrical connector to the wires for connection to a J-box, connecting the luminaire connector to the electrical connector, and mounting the luminaire onto the J-box. A method of selling includes providing a choice from among different style luminaires, providing a choice from among different actuation devices to connect with the selected luminaire, and optionally selling the selected luminaire and actuation device.

Abstract: Disclosed is an LED light string that uses parallel connected bypass components that are connected across the leads of the LEDs and are disposed in the socket of the LED lamp holder. The use of parallel connected bypass components across the leads of the LEDs greatly enhances the reliability of the light string. Bypass components are also included in the LED lamp structure, both internally to the LED lamp proxy and externally across the leads of the LED lamp element. A resistive wire can also be connected between conductors in an LED socket structure inside a lamp holder. Using the bypass components, twinkle lamps can be inserted in series wired LED light strings.

Abstract: A light-emitting diode (LED) string light includes at least two conductive wires, a plurality of LED units, and a plurality of enclosures. The LED string light is characterized in that each of the LED units has leads inserted perpendicularly into the conductive wires to establish electrical connection therebetween and allow the bottom of the LED unit to abut against ends of the conductive wires. Each of the enclosures has two through holes formed therein for the conductive wires to pass through, respectively, and an upper end provided with an accommodating space for receiving and enclosing a lower portion of the LED unit and part of the conductive wires. Thus, the LED string light can be manufactured easily and efficiently with low labor cost.

Abstract: The subject of the present invention is a lamp-ballast-system (1), especially a dielectric barrier discharge (DBD-) lamp-ballast-system for generating and/or emitting a radiation of ultraviolet (UV-)-light comprising: a lamp (2) having means for electrical contacting and a ballast (3) having a housing (4) accommodating at least a high-voltage part and a lamp support, connectable to and supplying the DBD-lamp (2) at least with electricity, whereby the electrical connection (5) between the DBD-lamp (2) and the ballast (3) is arranged cable-free.

Abstract: Disclosed is waterproof lamp assembly that allows easy assembly and disassembly. LED elements can be quickly and easily replaced if an LED element is defective or burns out. Extended connectors are used that extend beyond an overmolded lamp holder so that the lamp holder can be easily molded without covering the connectors with molding material. The connectors are made from a malleable metal so that the connectors can be folded into a central opening in the lamp holder.

Abstract: A lamp socket includes a socket housing and a power supply member. The socket housing has a connecting hole. The power supply member includes a first lamp and a second lamp connecting terminal. The first lamp connecting terminal is inserted into the connecting hole, and includes a securing member for preventing a lamp from secession from the lamp socket. The second lamp connecting terminal is inserted into the connecting hole, and includes securing member opening inserted by the securing member. Therefore, the number of elements may be decreased and the stability of lamp socket may be increased.

Abstract: A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket.

Abstract: An electric lighting system for concealed lighting and track lighting installations has lamp holders spaced along a custom power cable with two finely braided high current conductors. The cable and conductors have a flattened rectangular cross section and are exceptionally pliable to facilitate cornering in tight spaces. The cable exterior is slotted for reduced height of the installed lamp holders and optimum low profile of concealed lighting installations. The lamp holders are adaptable to different types of lamps and include an optional reflector. Snap-on mounting lugs permit installation of the cable and lamp holders directly to a mounting surface. Alternatively, a low profile track holds the cable and lamp holders.

Abstract: Disclosed is a three-piece light emitting diode lamp. The lamp comprises a lamp holder that encapsulates and seals various connectors and connections. A removable light emitting diode is inserted into contact sockets so that the light emitting diode can be easily replaced. Various techniques are used to provide proper polarity for placement of the light emitting diode in the contact sockets. A lens cover is engaged in a ring cavity between an inner annular wall and an outer annular wall that seal and hold the lens cover to the lamp holder and provide a watertight seal.

Abstract: An electrical connector including a connector subassembly having a front mating portion and a waveguide disposed around the front mating portion of the connector subassembly. The waveguide may alternatively be disposed near the front mating portion of the connector subassembly and an illumination device is provided at the side portion of the connector subassembly adjacent to the waveguide for coupling light emanating therefrom onto a portion of the waveguide which in turn conducts the light to illuminate at least a front end of the waveguide. The connector subassembly may further cooperate with a bezel having a frame and an opening. The frame retains the connector subassembly in position with the front mating portion of connector subassembly extending to the opening. The waveguide is then configured to have a front portion disposed between a rim portion of the opening and the front mating portion of the connector subassembly.

Abstract: A lamp holder for holding a lamp and supplying power into the lamp includes a pair of pins for connecting with a power supply, a pair of electric leads for connecting with the lamp, a wire clamp, and a base for accommodating the wire clamp and securing the pair of pins. The wire clamp comprises an upper wire clamp and a lower wire clamp, a pair of pinholes is defined in the upper wire clamp, and another pair of pinholes is defined in the lower wire clamp, a groove connected with each pinhole for accommodating a tail end of each electric lead is defined in the upper wire clamp, and a through opening corresponding to each groove is defined in the lower wire clamp. When the pair of electric leads passes through the pair of through openings and reaches the pair of grooves, and the pair of pins passes through the pair of pinholes, then each electric lead and each pin are electrically connected.

Abstract: The present invention provides a modular panel lighting apparatus comprising a multi layer power board and one or more lighting modules. The power board is a compound structure of one or more electrically conductive layers which are separated by one or more electrically insulating layers. The power board is configured to receive one or more lighting modules and can provide electrical, mechanical and thermal function adequate to meet a desired functionality of the lighting apparatus. A lighting module comprises one or more light-emitting elements operatively attached to a connector element that has one or more electrical contact portions. By inserting the connector element into the power board, the lighting module can be mounted anywhere on the face of the power board.

Abstract: A locking and disconnect system for use with an ultraviolet lighting system used in a waste management system. The system includes a light coupled to a housing having a cam receiving portion. The system further includes a cell for housing the light. The cell includes a cam locking mechanism engageable with the cam receiving portion of the housing.

Abstract: A light-emitting-diode (LED) lamp includes a control circuit board having a control circuit and a plurality of insertion holes provided thereon; a plurality of LED units, each of which including a circuit board, a plurality of LEDs mounted on the circuit board, and terminals provided at an end of the circuit board for plugging into the insertion holes on the control circuit board to thereby electrically assemble the LED unit to the control circuit board; and a glass bulb or tube for receiving the assembled control circuit board and LED units to complete the LED lamp that can be mounted to a general lamp holder. When electricity is supplied to the LED lamp, the LEDs are driven by the control circuit to emit light for illumination. The number of LED units and of the LEDs may be adjusted according to desired illuminance.

Abstract: The invention generally comprises a compact luminaire enclosure that preferably contains about 14 to 18 cubic inches of air volume and can be used safely with a 50 watt luminaire. The luminaire enclosure comprises a housing and a shroud that is removably attached to the housing. The shroud has a non-planar face that prevents the shroud from laying flat and trapping heat if the enclosure is placed on or falls on a flat surface. The housing can comprise polyetherimide, which has very good heat dissipation properties. The shroud may also comprise polyetherimide. The compact luminaire enclosure of the invention further comprises an internal thermal lamp shield recessed within the housing. The internal thermal lamp shield comprises highly specular material so that it is able to reflect much of the heat coming from an enclosed luminaire. In one embodiment of the invention, the luminaire comprises anodized aluminum.

Abstract: A protective tubular light is proposed, which basically consists of a transparent light tube (10) in which a fluorescent lamp is positioned. The fluorescent lamp is carried by a lamp support. The light tube (10) can be tightly sealed on either end by a cover consisting of an outer cover part (60) and an inner cover part (80). Serving to produce the tight seal is a sealing ring (62), which is pressed against the inner wall of the light tube (10) by the axial movement of the inner cover part (80) in conjunction with a tension cone (83) furnished on the inner cover part (80). The electrical connection of the fluorescent lamp and the network cable is provided by plug and coupling parts (30, 40). To produce or break off the electrical connection the coupling part (40) is driven against or withdrawn from the plug part (30) by the inner cover part (80), which can be moved axially.

Abstract: A lighting assembly with a lamp housing and a component housing which have corresponding mechanical connectors for releasably attaching the housings to one another and which have corresponding electrical connectors for releasably providing electrical connection between the housings. The lamp housing has a lamp frame, at least one lamp socket for receiving at least one lamp and lamp wiring for supplying power to the at least one lamp. The lamp housing has an electrical connector operably attached to the lamp wiring. The lamp housing further has a mechanical connector. Mounted to the component housing are electrical control components, electrical ballast and a power supply socket. The component housing has an electrical connector operable to releasably connect with the electrical connector of the lamp housing. The component housing has a mechanical connector operable to releasably attach to the mechanical connector of the lamp housing.

Abstract: A decorative lighting assembly includes a plurality of light emitters each having a pair of oppositely positioned first male connectors. The light emitters emit light when power flows through the first male connectors of the light emitters. A plurality of elongated couplers is provided and each has a pair of first female connectors electrically coupled together and positioned opposite of each other. Each of the first female connectors is configured to receive and electrically connect to one of the first male connectors. The light emitters are each positioned between and electrically coupled to a pair of elongated couplers to form a strand of electrically coupled light emitters. The strand is electrically coupled to a power supply coupler configured for electrically engaging a female power outlet.

Abstract: The present invention is a lamp system for use in a light string system comprising a light assembly and a socket assembly. The light assembly comprises a light source, a base in communication with the light source, and a bypass activating system. The socket assembly comprises a socket adapted to receive the light assembly and a bypass mechanism having a first position and a second position. The bypass activating system is adapted to move the bypass mechanism between the first and second positions.

Abstract: A connector for connecting a plurality of light strings mainly includes a female socket and a male socket with a plurality of terminal receivers and conductive pieces respectively. The terminal receivers and the conductive pieces are connected with the light-string conducting wires or the control lines of the light strings. Thereby when the male/female sockets are joined together, the light string can be extended or a working module controller for the light string can control more light-strings. The female socket includes a waterproof stopper inside to stabilize the conducting wires going through the female socket and also to provide a waterproof function. A joint nut is set outside of the male socket to reciprocally join with the female socket, so that the male/female sockets will not separate from each other arbitrarily.

Abstract: The invention relates to a light string having bulb assemblies with various connective statuses, wherein the bulb assembly includes a shell to receive the bulb holder and the bulb. The shell is provided with a male flange and a female groove for connecting with another groove and another flange of related shells respectively. The connective bulb assemblies of the light string display a stable outlook, which is also variable by adjusting the connecting position between the bulb assemblies, to provide various decorative effect.

Abstract: A replaceable lamp header for positioning a lamp within a reflector assembly includes a base member having first and second lateral portions, at least one first source connection coupled to each of the first and second lateral portions, at least one second source connection coupled to each of the first and second lateral portions, a first interconnect coupling the first source connections and being external to the base member, and a second interconnect coupling the second source connections and being external to the base member.

Abstract: A structure improvement for Christmas bulb socket, which comprises a plurality of lamp assemblies; the lower part of the bulb socket is furnished with a cross-shaped plug stub and two sets of symmetrical cross-shaped through holes; after one set of the two copper wires of the bulb is plugged in different set of through holes, two different kinds of bulb assemblies can be formed; therefore, after the bulb assembly is plugged in a correct socket, no incompatible bulb assembly can be used in a lamp string.

Abstract: A lamp assembly for a substrate processing chamber is described. The lamp assembly comprises a tubular body having first and second ends, a lamp element at least partially seated in the first end having a filament and first electrical connectors, transmission wires attached to the first electrical connectors, and a rigid plug flexibly positioned relative to the second end of the tubular body having second electrical connectors attached to the transmission wires. The flexibly positioned rigid plug is generally capable of a range movement in directions both perpendicular and parallel to a longitudinal axis of the tubular body. In one version, the rigid plug comprises first and second plug elements.

Abstract: Systems and techniques are described to provide a bulb insertion structure of a vehicular lamp which allows bulb replacement and accurate positioning of a bulb with respect to a reflector. In general, in one implementation, a bulb insertion structure of a vehicular lamp includes a plurality of fixing protrusions formed on an outer periphery of a rear end portion of a cylindrical socket fixture fixed in a bulb insertion hole of a reflector; a plurality of engaging protrusions formed on an outer periphery of a focus ring provided on a bulb and corresponding to the fixing protrusions; and a cup-shaped socket covering the outer periphery of the socket fixture from the rear, the socket incorporating a spring for pressing forward the rear end portion of the accommodated bulb, and having an outer peripheral wall provided with, at multiple locations corresponding to the fixing protrusions, an engaging notch (J-slot) for holding the engaging protrusion and the fixing protrusion overlapped together.