Abstract: The present embodiment relates to a power module comprising: a power module frame including side plates and a lower plate; a bracket having bracket hooks coupled to the side plates; a light-emitting device coupled to the bracket; and a lever arranged on the lower plate, wherein the side plates include a bracket groove, to which the bracket hook is coupled, and a lever groove through which a part of the lever passes, the lever includes a first plate having a lever hook inserted in the lever groove, a second plate connected perpendicularly to the first plate, and a handle connected to the second plate.

Abstract: The present disclosure relates to the technical field of lamps, and discloses a light-emitting diode (LED) lamp bulb with crimp-type fixed wires, including a lamp base and a shell connected to the lamp base, and further including a stem assembly. The stem assembly includes a plastic seat, and a first metal supporting wire, an LED bar and a second metal supporting wire which are electrically connected with each other in sequence. The plastic seat is connected to an opening portion of the shell. One end of the plastic seat is provided with a cavity having an opening, and the other end is provided with a raised tongue portion. The raised tongue portion is at least provided with a first wire guide hole and a second wire guide hole.

Abstract: A light bulb, comprising: a circuit board, provided with a light-emitting unit, two first wiring parts and at least two second wiring parts, wherein one of the first wiring parts and one of the second wiring parts are both connected to a positive terminal of the light-emitting unit, and the other first wiring part and the other second wiring part are both connected to a negative terminal of the light-emitting unit; and a fixing member connected to the circuit board, the fixing member being capable of fixing wires to the first wiring parts and the second wiring parts.

Abstract: A lighting device includes LED lighting elements arranged at a distance from each other. A leadframe comprising conductor segments interconnecting the LED lighting elements. The LED lighting elements each comprise an LED die element attached to one of the conductor segments of the leadframe. The LED lighting elements further each comprise a holding element disposed to hold at least two of the conductor segments of the leadframe which are partially embedded within one of the holding elements. In order to obtain good optical properties, the holding elements do not cover the LED die elements. According to the proposed manufacturing method, conductor segments of the leadframe are provided and holding elements are formed at a distance from each other, each partially embedding at least two conductor segments. Mounting portions on the conductor segments are not covered by the holding elements. LED die elements are attached to the mounting portions.

Abstract: A lighting module comprising a light source, electrical contacting means electrically connected to the light source and a heat spreader in thermal contact with the light source, the socket comprising at least a first set and a second set of socket contact means for providing an electrical interface with the electrical contacting means of the lighting module, wherein the socket is configured to retain the lighting module in a predetermined position in which electrical contact between the electrical contacting means of the lighting module and one of the first and second set of socket contact means is achieved and electrical contact between the electrical contacting means of the lighting module and the other one of the first and second set of socket contact means is prevented. A lighting module to be received in the socket and a luminaire comprising a lighting module mounted in a socket.

Abstract: An electrically isolating lamp assembly comprises a clamp ring, a lamp end, and a socket, wherein the lamp end is positioned within the clamp ring and the lamp end can be rotated, relative to the clamp ring, between locked and unlocked positions. In the unlocked position, lamp end shoulders are radially non-aligned with clamp ring flanges, and a locking peg is restrained, by the clamp ring flange, from being inserted completely within a locking peg channel in the lamp end, whereby the socket is restrained from fully engaging the lamp end; in the locked position, the lamp end shoulders are radially aligned with the clamp ring flanges, and the locking peg is inserted completely within the locking peg channel, whereby the socket can fully engage the lamp end, and wherein the lamp end is restrained by the locking peg from being rotated to the unlocked position.

Abstract: An LED lamp assembly including an LED lamp and an LED insert having a body defining two coupler passages extending therethough from a top to a bottom thereof. Two conductive piercing couplers are engaged in one of the two coupler passages. The LED insert is engaged in an upper housing and the upper housing is coupled to a lower housing. The lower housing presents a wire receiving space structured and positioned to be aligned with the insulation piercing wire engaging portion of the two conductive piercing couplers when the upper housing is secured to the lower housing. The two leads of the LED lamp are positioned each in one of the two coupler passages in secure electrically conductive and mechanical contact with one of the spring contact portions of the two conductive piercing couplers.

Abstract: The present invention provides a socket, which includes an insulation housing, conductive silicone rubber received in the insulation housing, and a conductive plate mounted to the insulation housing. The conductive plate has an end electrically connected to the conductive silicone rubber and an opposite end extending outside the insulation housing for external electrical connection. The present invention provides a socket that comprises an insulation housing in which a block of flexible conductive silicone rubber is received and retained to allow a lead pin of a light tube to be easily inserted into the conductive silicone rubber for realizing mounting the light tube to socket to be in electrical connection with the socket. Further, the conductive silicone rubber used in the present invention shows a cushioning capability that provides protection to the light tube.

Abstract: A lamp holder connector includes a lower holder having a bottom board with two positioning pillars protruding upward thereon, and an upper holder covered on the lower holder to together define a receiving chamber. An electrical terminal is fastened in the receiving chamber, and has a base plate with two positioning holes opened therein for inserting the positioning pillars therein, and a pair of clamping plates connected with two opposite side edges of the base plate and facing each other for clamping one end of a lamp therebetween. A top end of each positioning pillar projects upward beyond a top side of the base plate and then is pressed downward by an external jig to have a deformation and form a blocking eave so as to tightly clip the base plate between the bottom board and the blocking eave.

Abstract: A lamp socket assembly and method of assembly. The lamp socket assembly includes an opening which extends through a wall of the housing to a terminal receiving cavity. A first terminal and a second terminal are positioned in the housing. The first terminal has a first lamp contact portion and a first contact mating portion. The second terminal has a second lamp contact portion and a second contact mating portion. A cover is positioned over the opening. The cover cooperates with the housing to isolate the first and second terminals from the environmental conditions to which the lamp socket assembly is exposed. The opening is dimensioned to allow the first and second terminals to be inserted therethrough.

Abstract: A holder of lighting device is provided for receiving a lighting unit of the lighting device to be inserted and retained therein. The lighting unit includes an insertion portion that is insertable into the holder. The holder includes a clamp section, which defines a receiving and retaining space, and a base, which extends outwards and downwards from the clamp section. The clamp section includes a plurality of pawls that circumferentially surrounds a center of the receiving and retaining space and is engageable with and thus resiliently clamps the insertion portion of the lighting unit. The base can be stably positioned on a flat surface and the pawls resiliently clamp the insertion portion of the lighting unit so that the stability of positioning the lighting unit can be improved.

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 lamp assembly including an LED lamp and an LED insert having a body defining two coupler passages extending therethough from a top to a bottom thereof. Two conductive piercing couplers are engaged in one of the two coupler passages. The LED insert is engaged in an upper housing and the upper housing is coupled to a lower housing. The lower housing presents a wire receiving space structured and positioned to be aligned with the insulation piercing wire engaging portion of the two conductive piercing couplers when the upper housing is secured to the lower housing. The two leads of the LED lamp are positioned each in one of the two coupler passages in secure electrically conductive and mechanical contact with one of the spring contact portions of the two conductive piercing couplers.

Abstract: An LED lamp assembly including an LED lamp and an LED insert having a body defining two coupler passages extending therethough from a top to a bottom thereof. Two conductive piercing couplers are engaged in one of the two coupler passages. The LED insert is engaged in an upper housing and the upper housing is coupled to a lower housing. The lower housing presents a wire receiving space structured and positioned to be aligned with the insulation piercing wire engaging portion of the two conductive piercing couplers when the upper housing is secured to the lower housing. The two leads of the LED lamp are positioned each in one of the two coupler passages in secure electrically conductive and mechanical contact with one of the spring contact portions of the two conductive piercing couplers.

Abstract: A socket assembly includes a rotor, a housing, and first and second conductors. The rotor includes a channel formed therein and defines an axis of rotation. The channel has a length about perpendicular to the axis of rotation and defines first and second ends. The housing receives the rotor such that the rotor is rotatable about its axis of rotation between first and second positions when secured therein. The housing includes a notch. The channel of the rotor aligns with the notch of the housing when in the first position such that first and second lamp pins can be received through the notch of the housing and into the channel of the rotor. The first conductor has first and second ends each disposed on opposite sides of the rotor. The first end of the conductor contacts the first lamp pin when the rotor is in the second position and the second end of the conductor contacts the second lamp pin when the rotor is in the second position.

Abstract: A lamp cap (100) comprising a base part (101) defining a cavity (102) for receiving a socket (203) of a lamp, the base part (101) having a lateral wall arrangement (103) limiting the cavity (102) and a ring shaped bottom side (104) surrounding an aperture (105); an electrical insulating interface (106) fixed to the bottom side of the base part (104) in such a manner that it covers the aperture (105), a space (102) being defined between the electrical insulating interface (106) and the lateral wall arrangement (103); and an electrical connector assembly (120) extending through the electrical insulating interface (106) to provide an electrical connection between the lamp socket (203) and an electrical power supply. A method of and apparatus for manufacturing a lamp cap is also described.

Abstract: A socket assembly includes a light emitting diode (LED) package having an LED printed circuit board (PCB) with an LED mounted thereto. The LED package has a power contact configured to receive power from a power source to power the LED. The socket assembly also includes a socket housing having a receptacle that removably receives the LED package. The socket housing has a securing feature engaging the LED PCB to secure the LED PCB within the receptacle, where the securing feature is configured to release the LED PCB to remove the LED PCB from the receptacle. Optionally, the socket housing may include mounting features configured to mount the socket housing to a base, where the LED package is removable from the socket housing while the socket housing remains mounted to the base. A second LED package may be provided, where the LED package is removable from the receptacle and is replaced by the second LED package.

Abstract: A socket assembly includes a rotor, a housing, and first and second conductors. The rotor includes a channel formed therein and defines an axis of rotation. The channel has a length about perpendicular to the axis of rotation and defines first and second ends. The housing receives the rotor such that the rotor is rotatable about its axis of rotation between first and second positions when secured therein. The housing includes a notch. The channel of the rotor aligns with the notch of the housing when in the first position such that first and second lamp pins can be received through the notch of the housing arid into the channel of the rotor. The first conductor has first and second ends each disposed on opposite sides of the rotor. The first end of the conductor contacts the first lamp pin when the rotor is in the second position and the second end of the conductor contacts the second lamp pin when the rotor is in the second position.

Abstract: Wedge-base bulb socket comprising: a supporting base provided with a coupling seat dimensioned to house the plug of the light bulb; two coupling and connecting members which are located inside the coupling seat, and are structured to separately hold the wedge-shaped plug of the light bulb fitted into the coupling seat, and to feed electric current to said light bulb; two electrically conductive elements which extend on the surface of the supporting base up to the edge of the entrance of the coupling seat, on opposite sides of said entrance, and then descend into the coupling seat up to reach each a respective coupling and connecting member; and two respectively-facing additional supporting jaws which are supported by the two electrically conductive elements so as to be located substantially on opposite sides of the entrance of the coupling seat, and structured to clamp the wedge-base light bulb fitted into the socket, so as to firmly hold said wedge-base light bulb in the wedge-base bulb socket.

Abstract: The LED decorative lamp contains a three-terminal LED device, a flexible core for the plugging of the three-terminal LED device, and a seat for the configuration of the flexible core. The seat contains three terminal plates for the electrical contact with the three terminals of the LED device. A lamp string formed by connecting multiple such LED decorative lamps enjoys accurate flash timing, thereby achieving appealing lighting effect.

Abstract: A lamp assembly of LED string light has a lamp module, an inner housing, an outer housing, a lower shell and a lamp cover module. The lamp module has a circuit board and an LED bulb and a set of power lines mounted on the circuit board. The inner housing has two symmetrical and engaged inner cases and a space to receive the lamp module. The outer housing has two symmetrical outer cases assembled together and encloses the inner housing. The lower shell is sleeved around a bottom portion of the inner housing. The lower shell has a multi-step portion formed on a periphery thereof for the lamp cover module to sleeve on the lower shell. Given the aforementioned elements, the lamp assembly of LED string light is easily assembled and highly waterproof and dustproof.

Abstract: A lamp system used in a light string system comprises 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 mechanism is in the first position when the light assembly is not seated in the socket assembly. When the bypass mechanism in the first position, current flows across the bypass mechanism. When the light assembly is inserted into the socket assembly, the bypass activating system of the light assembly moves the bypass mechanism into the second position, and current flows through the light source instead of the bypass mechanism.

Abstract: An electrical contact (100) for a lamp (10) that includes electrical lead-ins (20) projecting away from a longitudinal lamp axis (40), said electrical contact (100) has a first electrically conductive segment (110) including a first segment (120) leading to a first reentrant portion (130), a first beam (140) that extends from the first reentrant portion (130) to an electrical lead-in engager (150), and a second reentrant portion (160) that connects to a second beam (170) that at least partially extends over the electrical lead-in engager (150). A back-up spring (220) is provided having a configuration substantially conforming to the conductive segment (110).

Abstract: Light fixtures adaptable for use with displays such as retail displays and using T-5 type lamps, the fixtures having a lamp housing, a mounting bracket, and lamp housing support arms which extend from the mounting bracket to the lamp housing, the lamp housing having a shroud and shroud end caps at each end of the shroud, the shroud end caps configured for interconnection with an opposing shroud end cap of another fixture whereby multiple fixtures can be interconnected in serial fashion.

Abstract: A structure for LED Christmas light is provided, including a light holder, being a hollow body having a separating part connected to the inner wall of the light holder to divide the hollow interior of the light holder into two cavities. Each of the two opposite sides of the inner wall of the light holder connected to the separating part forms a slot and face the surface of the separating part of the two cavities, with each having a guiding channel. Two wire sets are fixed inside the two cavities. An LED light bulb has a positive pin and a negative pin inserted inside the guiding channel, respectively, and being electrically connected to the wire sets. A light cap has a holding part passing the LED light bulb to tightly engage to the top of the light holder so as to fix the LED light bulb to the light holder.

Abstract: A wiring system that allows easy installation into a vehicle and includes a connector that allows functional signals to perform a function in a connector while passing through the connector.

Abstract: A bi-pin connector for a luminaire includes a base and pins that can rotate relative to the base. The pins can also translate relative to a light fixture housing in a direction transverse to the axis about which the pins rotate. A luminaire including the bi-pin connector is also disclosed.

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 decorative light has two conductors mounted in a casing. Two terminals of a bulb are positioned by electrical connectors of the conductors, and the terminals electrically connect with the electrical connectors. The bulb is positioned in the casing without a light seat, so number of elements is decreased. The terminals of the bulb are inserted and positioned by the electrical connectors, so cutting and bending of the terminals is not required and an efficiency of fabrication is increased.

Abstract: Provided is a bulb socket. The bulb socket includes a housing formed as a single piece using a single mold assembly, a couple of lamp holders, a double contact terminal, and a single contact terminal.

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 LED light assembly includes a plurality of LED printed circuit boards (PCB), with each LED PCB having at least one LED bulb and electrical connector pads configured at each opposite end of the boards. At least one electrical connector is configured to connect one end of a first LED PCB to an end of a second said LED PCB such that the first and second LED PCBs are electrically connected end-to-end. The connected LED PCBs may be configured in a light tube that includes connector end caps for mounting the light tube in a light fixture.

Abstract: A lamp socket is disclosed for connecting an electric bulb, having a base, base contact, and bottom contact, to an electrical grid. The socket comprises (a)—a clamp including a spring-loaded embracing section with a first contact, capable of passing the base through in an open position and gripping it in a closed position, and—a spring-loaded dielectric retainer, having a second contact, capable of retaining the section in the open position and releasing it into the closed position upon being depressed by the base, and (b) a spring-loaded clasp, capable of expanding the section in to the open position. While the clamp is being in the closed position, the first contact is depressed by the base contact, and the second contact is depressed by the bottom contact. The section and retainer can be made as a single whole, and spring-loaded by one spring. The socket increases safety of operation.

Abstract: A socket (10) for receiving and retaining a lamp (12) and providing electrical connection to electrical lead-ins (14a) and (14b) of the lamp (12), the electrical lead-ins (14a) and (14b) projecting from the lamp in a direction orthogonal to a longitudinal axis (18). The socket (10) comprises a first socket body half (16) arrayed about the longitudinal axis (18) and including a receptacle (20) aligned with the longitudinal axis (18) for receiving a portion (22) of the lamp (12). Lead-in receptacles (24) are formed in the socket body (16), the receptacles being laterally disposed relative to the longitudinal axis. Electrical lead-in contact receivers (26) are formed adjacent the lead-in receptacles. Radially spaced contact retainers (28, 29) are associated with the contact receivers (26). An electrical contact (30) is positioned in each contact receiver (26), each of the electrical contacts (30) comprising first and second spaced-apart lead-in engagers (32, 34) joined by a bight (36).

Abstract: Disclosed is a bulb socket structure for an onboard interior lighting system, in which: a bulb attachment hole 12 to which a wedge base bulb 21 is attached is formed in a resin-made housing 10 constituting the onboard interior lighting system; and power supply terminals 15 configured to contact, and conduct electricity to, terminals of a base 21b arranged under a bulb part 21a of the wedge base bulb when the base is inserted into the inside of the bulb attachment hole are provided in the inside of the bulb attachment hole. In the bulb socket structure, a spacer 30 is provided to the bulb attachment hole 12. The spacer is includes a supporting cylindrical part 31 capable of supporting the bulb part 21a of the wedge base bulb from its outer periphery. The spacer is capable of causing the power supply terminals 15 to contact the respective terminals of the base part while protecting the power supply terminals.

Abstract: A socket assembly includes a rotor assembly, a housing, and at least one electrical contact. The rotor assembly has an axis of rotation and defines a channel having a length about perpendicular to the axis of rotation. The rotor assembly is adapted to receive at least one lamp pin within the channel from an edge of the rotor assembly. Each of the at least one lamp pin defines a longitudinal axis. Each of the axis of each of the at least lamp pin is about parallel to the axis of rotation when each of the at least one lamp pin is received from the edge of the rotor assembly to within the channel. The housing is adapted to receive the rotor assembly such that the rotor assembly is rotatable along its axis of rotation therein. The housing defines a notch adapted to receive each of the at least one lamp pin when each of the axis of each of the at least one pin is about parallel to the axis of rotation.

Abstract: This invention that forms the subject matter of this patent is related to a light socket that may be disassembled and repaired in case of any breakdown, or replaced by a new one that may be fixed to the body of a fridge by means of a special socket due to be used in fridges, at polyurethane isolated cabins.

Abstract: A water proof socket for outdoor light bulbs such as LED light bulbs which comprises a bulb cover housing the light bulb, the bulb cover housing having a neck portion for receiving the light bulb, internally threaded cylindrical member around the neck portion, and an externally threaded cylindrical base at the other end engaged in the internally threaded cylindrical portion. The bulb holder is attached to a seat member with a projecting rectangular member which has two holes with electrical contact passing through each hole. The rectangular member fits snugly in a cavity in said threaded member in said base and external wires pass through the base and makes contact with the internal electrical contacts.

Abstract: A lamp connector allows for checking of a connection between an external electrode of an external electrode tubular lamp and a terminal fitting into which the external electrode is fitted. Because the lamp connector into which an external electrode provided on the outer surface of an end portion of a tubular lamp is fitted includes a terminal fitting which includes a terminal piece and a terminal piece insulated from each other which are to be individually brought into contact with the external electrode, it is possible to easily check conduction between the external electrode and the terminal fitting using a tester. Accordingly, any poor fitting of the lamp into the connector can be readily found and corrected.

Abstract: A first lamp electrode supporter includes a first terminal having a first lamp electrode fixing hole through which a lamp electrode is inserted, and a second terminal connected to an inverter connector. A second lamp electrode supporter is disposed opposite to the first lamp electrode supporter. The second lamp electrode supporter has a second lamp electrode fixing hole through which the lamp electrode is inserted. A peripheral portion corresponding to the second lamp electrode fixing hole is formed closely to the first lamp electrode supporter. A connecting part connects the first lamp electrode supporter and the second lamp electrode supporter. An elastic guide part is extended from the connecting part to a spacing between the first and second lamp electrode supporters. The elastic guide part supports the lamp electrode when the lamp electrode contacts the first and second lamp electrode fixing holes.

Abstract: An electric bulb socket is provided, which includes a socket body (100) (300) in the upper surface of which a recessed groove (101) (301) is formed, and a connection unit (200) (400) which is inserted into and fixed to the recessed groove (101) (301), and is provided with at least one entrance portion (201)(401), in which elastic pieces (230) (430) are arranged and fixed in inner spaces (203) (403) thereof and fixed conductive pieces (240) (440) respectively corresponding to the elastic pieces (230) (430) are arranged and fixed in the recessed groove (101) (301), so as to be integrally combined with the socket body (100) (300). Begun contents are thing about light bulb socket that insertion juncture of bare wire is simple. The electric bulb socket provides a stable electric power connection of bare wires, simplifies an assembly thereof and enables an electric appliance to be safely grounded.

Abstract: Disclosed is an LED package holder for retaining and electrically connecting an LED package. The LED package holder includes a housing configured to hold an LED package and has at least one center opening defined therein. A connector shroud is integrally formed with the housing and has a cavity for receiving a connector operable to supply power to the LED package. Two contact features are retained by the housing, and each contact feature has an inner contact and an outer contact. Each inner contact engages an LED electric terminal of the LED package. Each outer contact extends into the connector shroud so as to engage connector terminals when a connector is inserted into the connector shroud.

Abstract: A lamp and socket assembly (10) comprises a housing (12) including a socket cavity (25). The socket cavity (25) is defined by side walls and a bottom wall (80). A vent hole (82) passes though the bottom wall (80) of the socket cavity. A lamp (16) has a lamp base (17). A lamp socket (14) is disposed in the socket cavity (25) and includes a through passage (42) for receiving the lamp base (17) and at least one retaining finger (38a, 38b) for retaining the lamp base (17) in the through passage (42). An electrical contact insert (26) is received in the socket cavity (25). A plurality of electrical contacts (28) are received in and retained by the contact insert (26). A plurality of blade terminals (46) are interlocked with the contact insert (26), with respective ones of the contacts (28), and with the housing (12).

Abstract: A bi-pin connector for a luminaire includes a base and pins that can rotate relative to the base. The pins can also translate relative to a light fixture housing in a direction transverse to the axis about which the pins rotate. A luminaire including the bi-pin connector is also disclosed.

Abstract: A lamp socket for an automotive exterior lamp assembly that can be used with a replaceable incandescent bulb. The lamp socket comprises a plastic socket made from nylon 4,6. The lamp socket exhibits reduced outgassing that would otherwise result from photo-oxidative degradation of the polymers in the plastic socket. This helps prevent fogging of the lamp assembly lens and/or reflector for improved performance and aesthetic appearance over the life of the lamp assembly. The incandescent bulb used in the assembly can include a press-sealed end having a sleeve attached over the press-sealed end, and the sleeve can be made from at least one of nylon 4,6, PEI and PPA. The incandescent bulb may also have a molded plastic base, and the base can also be made from at least one of nylon 4,6, PEI and PPA.

Abstract: Wedge bulb lamp socket assemblies with potted axial terminal members. The terminals are held in place by tab members in the blades until the potting material is added. Ramp members are provided in the socket bodies in order to facilitate insertion of the lamp bulbs in the sockets, and shroud members are provided to protect the ends of the terminal members from being damaged during insertion of the lamp bulbs.

Abstract: The invention relates to an assembly of a capped high-pressure discharge lamp (1) and a lamp holder (50). The discharge lamp comprises an outer envelope (10) in which a discharge vessel (11) is arranged. The outer envelope has a pinched portion (20) provided with a clamping member (25). A lamp cap comprises a substantially circular-cylindrical cup shaped portion for receiving the clamping member and is provided with a protruding collar (36). The lamp holder (50) comprises a substantially circular-cylindrical flange (55) for receiving the cup-shaped portion such that the flange engages the protruding collar. An inner diameter of the flange (55) has a tolerance of less than or equal to ?0.2 mm. An outer diameter of the cup-shaped portion (33) has a tolerance of less than or equal to +0.2 mm. The respective tolerances extend over a length of at least 2.5 mm, measured with respect to the protruding collar.

Abstract: An LED Christmas lamp has the lamp stand composed of a main stand, a supporting stand and a conductive lead stand. A positioning protruding surface with a long concave groove is formed in the front side of the containing groove space, and a protruding bar is formed in the relative rear side of the containing groove space. A smaller compartment groove stand is extended in the bottom of the conductive lead stand. An arc shaped protruding groove surface is formed on the joint surface of the compartment stand and containing groove. A lamp laying groove space with protruding stop surfaces in its front and rear sides are formed inside the supporting stand. A positioning cutting surface with a long protruding bar is formed in the front side of the supporting stand and a concave groove is set in the rear side. Then, they are laid in the main stand to let the two pins of LED to be stick with the conductive copper plates of the two power conductive leads smoothly.

Abstract: A lamp socket includes a housing case; a transformer to be housed in a transformer receiving section of the housing case; and a circuit board that is housed in a circuit board receiving section of the housing case and is assembled independently from the transformer. The transformer has a primary member and a secondary member, so that a voltage is applied on the primary member and a high voltage is output from the secondary member. In the lamp socket, an opening portion is provided in a barrier that separates the transformer receiving section and the circuit board receiving section, so that the primary member extends from the transformer receiving section to the circuit board receiving section. The opening portion is closed with a part that holds the primary member.

Abstract: A lamp base for a dual-leg lamp is provided with at least one oversized leg mounting hole that permits relative movement of the lamp legs during temperature driven expansion and contraction. In one embodiment, only one leg of the lamp is glued to the lamp base. The absence of glue on one leg permits essentially free movement of the non-glued leg with respect to the base. In those embodiments that include only a single oversized leg mounting hole, the leg disposed within the oversized leg mounting hole is not glued so that the leg is free to move within the oversized hole. In those embodiments in which both leg mounting holes are oversized, it is acceptable for either (or both) of the legs to be non-glued.