Abstract: Disclosed is a LED lighting apparatus with one or more swivel connections. The LED lighting apparatus includes a housing with at least one end, at least one light emitting diode extending along the housing and at least one end cap. The end cap has an opening with a sidewall to cap the end of the housing and a surface opposite the opening and spanning the sidewall. At least two pin connectors extend from the surface and are connectable to a standard fluorescent or incandescent light fixture. Various configurations are described such that the housing will rotate within the end caps with application of a rotational force after connection of the pin connectors to the light fixture to adjust the light output direction of the LED lighting apparatus.

Abstract: Discharge tubes, each of which includes a glass tube and a ferrule that has a substantially cylindrical shape and is fitted to each end portion of the glass tube, are supported by a plurality of pairs of relay connectors (or supporting members) provided on the front side of a chassis having substantially a plate-shaped configuration. When a discharge tube is supported by relay connectors, stoppers provided on the relay connectors lock the ferrules so that axial movement of the discharge tube relative to the relay connectors is restricted.

Abstract: An LED lighting device has a cap, a circuit board assembly and a bulb envelope. The circuit board assembly is electrically mounted on the cap and has multiple circuit boards intersecting to each other to form a light frame with a crisscross section, and has multiple LEDs mounted on the circuit boards. The circuit board assembly may further have a top circuit board mounted on one end of the light frame. The top circuit board also has multiple LEDs mounted thereon. Sine the circuit boards intersect to each other to constitute the light frame, the light frame provides a large surface area for mounting a lot number of LEDs. Therefore, the LED lighting device is able to provide a wide angle illumination with enhanced lighting intensity.

Abstract: A Christmas lamp comprises an LED lamps, a lamp stem connected with the LED lamp and a lamp holder in which the lamp stem is arranged, wherein the lamp holder is internally provided with a conductive element electrically connected with wires, the LED lamp is connected with the conductive element through the lamp stem, the conductive element comprises a first conductive element and a second conductive element which are positioned at the left side and the right side in the lamp holder, the lower part of the lamp stem is provided with a protruded end, the protruded end is clamped between the two conductive elements, the two lamp bases of the LED lamp are respectively contacted with and conductive with the two conductive elements, the inner wall of the lamp holder is provided with an elastic element which can enable the two conductive elements to be contacted with and conductive with current when the lamp stem is pulled out.

Abstract: A capped lamp/reflector unit (1) comprising a lamp vessel (2) arranged inside a reflector (3) and a lamp cap (4) fixed to the reflector. Electrical contacts (17) are provided substantially opposite to each other on an outer surface (24) of the lamp cap. The lamp cap comprises a first (25) and a second mating and engaging part (26), preferably identical to each other. The mating parts, when assembled, cannot move relative to each other and preferably are held together by the electrical contacts (17), which for this purpose are formed as spring clamps (39). The reflector is provided with a metal sheet cladding (22) on an outer surface (23) of the reflector. Furthermore, a transparent plate (34) is provided to close the light emission window (21) of the reflector. Thus, an easily replaceable, simple and safe capped lamp/reflector unit is obtained.

Abstract: A lamp with an outer bulb in which a base (30) includes a base main body (32) having a contact terminal (31) electrically connected with a receptacle and an attaching member (33) fitted to the base main body (32) in a state of retaining the lamp main body (10) and an outer bulb (20), the attaching member (33) has an insertion hole (34) formed therethrough for inserting and retaining a pinch seal (14), and a flange (36) for abutment with the opening end (21) of the outer bulb formed at the outer peripheral surface (35) thereof, and a joint portion (40) is formed for engaging the outer peripheral surface of the attaching member (33) and the inner peripheral surface (23) of the outer bulb (21).

Abstract: Disclosed is a lamp, particularly a halogen incandescent lamp, comprising a bulb that is provided with a pinch seal which is inserted into a base by means of an attachment ring. The attachment ring has a receiving section within which the pinch seal is clampingly fastened by means of attachment ring brackets that are supported on support surfaces. According to the invention, the support surfaces are placed at an angle from the longitudinal axis of the lamp.

Abstract: An LED light bulb that includes a base providing an electrical connector and a substantially hollow envelope extending from the base. The light bulb further includes a metal space separator having a top side, bottom side and side wall that has a plurality of holes connected by at least one channel that extends through the interior of the separator, such that air can pass through the separator. At least one LED is mounted on the separator in electrical connection with the base connector.

Abstract: An LED (Light-Emitting Diode) lighting bulb includes an electrical connector, a base, a circuit board, and a cover. The electrical connector is recessed to form a hollow configuration having an intermediate section forming threading. The base is formed by molding a moldable material. The base has a lower end forming a neck portion that has an outer circumferential surface forming threading for being fit to the electrical connector and an upper end to which the circuit board is mounted. The circuit board carries an LED thereon. The cover is formed by molding a moldable material and is mounted to the base. As such, an LED lighting bulb showing the advantages of reduced weight, reduced power consumption, improved heat dissipation performance, multiple colors, and excellent operation safety is provided.

Abstract: According to one embodiment, a light emitting device includes a first lead, a light emitting element, a second lead and a molded body. The first lead includes a die pad portion having a major surface and a recess provided in the major surface, and a bent portion bent toward above the major surface. The light emitting element is bonded to a bottom surface of the recess. The second lead with one end portion is opposed to one end portion of the first lead. The molded body covers the light emitting element, the bent portion, the die pad portion, and the one end portion of the second lead, and is made of a resin. A position of barycenter of the molded body is set between a lower surface of the die pad portion and a plane including an upper end of the bent portion.

Abstract: A lamp with a built-in lamp which is inserted into a base via a mounting clip and is surrounded by an enveloping bulb. The base and the enveloping bulb are joined via a joining compound or using a clamping technique. The mounting clip has securing elements, via which the enveloping bulb is held on the base once the joint has loosened.

Abstract: A light emitting diode (LED) lamp includes one or more light emitting diodes (LEDs). The one or more LEDs are mounted directly on a metallic base and a circuit associated with the one or more LEDs is embedded in the metallic base. The metallic base is copper, aluminium, or a thermally conductive material that is plated with a metallic plating. The metallic base is attached directly, by metal-to-metal contact, to a metallic heat sink. The one or more LEDs, the metallic base and the heat sink, are disposed inside a housing.

Abstract: A lamp includes at least one luminous source (14, 6, 8), in particular a low-pressure discharge lamp, for producing main illumination and having at least one alternative luminous element (22), in particular a light-emitting diode arrangement having at least one LED, for producing alternative illumination, which are arranged on a cap (12) , and having electronics, wherein a switching arrangement, which can be actuated manually, for operating the lamp in the main illumination mode, the alternative illumination mode or in both illumination modes at the same time is provided in the cap.

Abstract: An LED lamp includes a connecting member and an LED module. The connecting member is adapted for electrically connecting with a power source. The LED module is clasped by and electrically connects to the connecting member.

Abstract: The present invention relates to a method for producing a contact pin (01) for use as an electric contact element of a fluorescent tube, wherein the contact pin has a recess (06) extending along the longitudinal axis (05) thereof, wherein a connection wire of the fluorescent tube can be inserted into said recess and can be electrically connected to the contact pin (01), wherein the outer wall of the contact pin (01) has a cylindrical contact region (17) which can be engaged in a base bracket of the fluorescent tube in order to establish an electrical contact between the base bracket and the fluorescent tube, and wherein the outer wall of the contact pin (01) has an annular collar (08) with which the contact pin rests against the wall (04) of an end cap (02) when inserted into a recess of the end cap (02) which is provided on the axial end of the fluorescent tube.

Abstract: The invention relates to a lamp ring for a lamp, in particular an indicator lamp, which comprises a recess for coding and an additional recess for positioning the lamp ring in a base mounting machine. According to the invention, the second recess has an inner wall with a projection. The invention also relates to a lamp comprising a lamp ring of this type and to a base mounting machine for assembling a lamp of this type.

Abstract: An arc tube light source supported by a discontinuous two-part (top and bottom) frame inside a bulb of an HID lamp is ruggedized to reduce weld breakage under vibration and shock. Each of the top and bottom frames is substantially U-shaped, with the open end of the U-shape being attached by a strap to a pinch of the arc tube. For ruggedization a bracing strap is fixed to, and extends between, two sides of the frame and is welded to a lead wire extending from the pinch. Strength is enhanced if two lead wires extend from the pinch, and the bracing strap is welded to both. Advantageously the two lead wires are sides of a U-shaped wire such as a “U-pin”. Further stabilization may be achieved by using braces attached to both of the top and bottom frames and extended out against surrounding parts of the bulb.

Abstract: A method of manufacturing a flash-free lamp base (10), wherein the lamp base (10) comprises a shell (14), an eyelet (16) and a glass, electrically insulating part (18) therebetween and joining the shell (14) and the eyelet (16), the shell and the eyelet being electrically conductive, the shell (14) having a tubular portion (14a) with an open end (14b) and a partially closed end (14c) defining a volume (14d) therebetween, the partially closed end (14c) including a tapered area (14e) terminating in a reentrant section (14f) that extends into the volume (14d) and defines an inner annulus (14g).

Abstract: An LED module includes a first dielectric layer, and a first patterned conductive layer having first, second, and third die-bonding pads. Each die-bonding pad includes a pad body having a die-bonding area, and an extension extended from the pad body. The extension of the first die-bonding pad extends in proximity to the die-bonding area of the second die-bonding pad. The extension of the second die-bonding pad extends in proximity to the die-bonding area of the third die-bonding pad. A second dielectric layer disposed on the first patterned conductive layer includes three dielectric members corresponding respectively to the die-bonding pads of the first patterned conductive layer. Each dielectric member includes a chip-receiving hole exposing the die-bonding area of a respective die-bonding pad for attachment of an LED chip thereto, and a wire-passage hole spaced apart from the chip-receiving hole to expose partially the first patterned conductive layer for bonding a wire.

Abstract: A light-emitting diode (LED) lamp device includes at least one light-emitting module and a heat-dissipation module. The heat-dissipation module includes a plurality of cooling fins arranged in a radial pattern and connected annularly at intervals around the light-emitting module. Each of the cooling fins has an outer rim folded back a predetermined distance toward the light-emitting module to form a bent edge. The bent edges are formed with arcuate folded-back portions so that the cooling fins have rib-like outer perimeters after the bent edges are formed. Thus, the LED lamp device is allowed to be held safely by the folded-back portions while the cooling fins are structurally strengthened.

Abstract: A long-life high-pressure discharge lamp can (i) suppress damage to sealing portions, especially at an initial stage of the accumulated lighting time, (ii) allow for easy assembly of components such as electrodes and (iii) prevent deformation/ripping of metallic foils. An arc tube is a glass enveloping vessel with electrodes arranged therein, and includes: a light emitting portion in which materials are enclosed and a discharge space is formed; and sealing portions provided at ends of the light emitting portion. Each electrode includes an electrode bar whose first end is in the discharge space, and whose second end is in the corresponding sealing portion and connected to a metallic foil. The second end of each electrode bar is partially wrapped around by a sleeve-like metallic cover foil that has a cut-out section positioned over a joining area where the second end of each electrode bar is joined to the metallic foil.

Abstract: This invention relates to an alarm light device having lamps embedded in openings, in which a main lamp portion is coupled with two side lamp portions together at both sides thereof. The main lamp portion and the side light portions all have channel-openings for embedding a plurality of lamp modules. Each lamp module is covered by a corresponding outer-cover which is then fastened to the base plate of each lamp module. In this manner, as the lamps are directly embedded, they can be directly assembled or disassembled such that great convenience in conducting the replacement of lamp can be achieved.

Abstract: A lamp with an outer bulb is provided. The outer bulb is attached to an attaching member of a base by simple and convenient fabrication, and reliably prevents detachment of the outer bulb from the attaching member. An outer peripheral surface of a supporting post formed to the attaching member of the base and an inner peripheral surface of the outer bulb define a gap therebetween that may receive a heat resistant adhesive or filler. Convex portions facing the gap may be formed to the outer peripheral surface of the supporting post and the inner peripheral surface of the outer bulb, respectively, and a joint body for joining the outer bulb and the supporting post is defined between the outer peripheral surface of the supporting post and the inner peripheral surface of the outer bulb by the adhesive or filler in the gap.

Abstract: A safety lamp connector assembly for use with at least one of more lamps comprising: an end cap for the lamp and a smooth action, spring loaded, twist locking, socket for receiving the end cap.

Abstract: An electrical lamp may include an outer bulb and a built-in lamp arranged therein, and a longitudinal axis, a base being attached to the outer bulb, the built-in lamp being fitted with a pinch from which at least one outer power supply lead protrudes which, in turn, is electrically conductively connected by a connecting means to a supply cable, hereinafter called a base pin, extending upwards from the base wherein the connecting means is an assembly clip which comprises a frame part, the frame part connecting a hollow rail to a contact part, the contact part being connected to the outer power supply lead and the hollow rail being connected to the base pin.

Abstract: Provided are a base 4 to be inserted into a socket by being rotated around a central axis X of the base, a first body 6 attached to the base 4 so as to be rotatable freely around the central axis X, a second body 8 attached to the first body 6, and a light-emitting module 10 mounted on the second body 8. The second body 8 is attached to the first body 6 so as to be swingable in a direction perpendicular to the central axis X.

Abstract: Interfaces for electrical (e.g., lighting) devices involve use of electrically conductive edge contacts arranged on or protruding from edges of printed circuit boards (PCBs) that provide or facilitate electrical connections to first and second externally accessible electrical contacts, such as may include threaded and foot contacts of a lighting device including a screw-shaped male base. First and/or second edge contacts of a PCB may protrude through first and second openings in a housing to form first and second externally accessible contact, or directly engage first and second externally accessible contact elements associated with (e.g., retained by) the housing. A contact element retained by a housing may define a slot in the interior of the housing to directly engage an edge contact of the PCB. Electric power is supplied to the PCB via edge contacts without need for intervening wires or soldered connections.

Abstract: The present invention is a light bulb featuring a removable LED light source. The preferred source being a lighting source with a three dimensional lead frame as disclosed in the parent applications to this application. Control circuitry is included to convert electrical power into power usable by the LEDs.

Abstract: In various embodiments, an electric lamp is provided, which may include an outer bulb and a base fastened thereto and a longitudinal axis, the bulb surrounding a built-in lamp, which is equipped with a pinch seal with two narrow sides and two broad sides, from which at least one outer power supply line protrudes, the feed line being held in a plate-like stand, the built-in lamp being held in the outer bulb by a cementless connecting means in the form of a mounting clip, wherein a connection between an outer power supply line and a feed line is ensured by virtue of the fact that a first one of these two component parts is bent back in the form of a bow, while the second of these component parts is bent back in the manner of a loop and is suspended in the bow.

Abstract: An entire length of a fluorescent lamp is made short to allow the fluorescent lamp to be downsized and the part other than the fluorescent lamp to be shortened so as to advantageously improve the design potentials and enhance the lighting effect. A fluorescent lamp to be fitted to a feeding side member, or a hook ceiling, having a pair of retaining holes and a pair of feeding side terminals arranged at corresponding positions, comprises a fluorescent lamp main body, an inverter-containing case arranged at a proximal end side of the fluorescent lamp main body and a pair of terminals arranged at the side of the case opposite to the fluorescent lamp main body. The pair of terminals have the tip ends bent so as to be retained by the feeding side member and establish electric connection to the feeding side terminals as they are respectively inserted into the pair of retaining holes of the feeding side member and displaced in the rotating direction around the center of the fluorescent lamp.

Abstract: A lamp in which an inner bulb containing a light emitting tube or a light emitting filament and an outer bulb containing the inner bulb are attached coaxially to a base, and a spacer made of a thin metal sheet is attached to an exhaust tube protruding from a central region at the top end of the inner bulb coaxially supporting the inner bulb to the outer bulb. The spacer has a central plate formed with an aperture allowing the exhaust tube to be inserted through the central plate, and a plurality of fingers protruding inward along the inner periphery of the aperture, and three or more strips, each branched radially outward from the central plate and formed in a curved shape coaxially supporting the inner bulb and the outer bulb.

Abstract: A light assembly includes a bulb connected to the passage defined through the base and the base includes a plurality of first slots defined transversely in an outer periphery of the base. A base cover has a space for receiving the base and multiple ventilation holes are defined through a wall of the base cover. A plurality of engaging pieces extend from an inner periphery of the base cover and are engaged with the first slots of the base. The heat generated from the bulb escaped via the ventilation holes.

Abstract: A LED lamp assembly (100) includes a LED light (1); a lamp holder (2) having a body portion (21) enclosing a hollow portion (23) to partially retain the LED light therein; a lamp base (3) including a cylindrical peripheral wall (31) and rear wall (32) connecting to the peripheral wall to define a socket (30) with a front opening, said lamp base (3) further having two cable retainers (34) seated in the socket (30) and discrete from the peripheral wall (31); a pair of cables (4) respectively extending into the cable retainers via at least a cable passage (321) of the rear wall. The lamp holder is press-fit into space between the cable retainer and the peripheral wall of the lamp base to urge the cable retainers clamping the cables.

Abstract: Light engine modules comprise a support member and a solid state light emitter, in which (1) the emitter is mounted on the support member, (2) a region of the support member has a surface with a curved cross-section, (3) the emitter and a compensation circuit are mounted on the support member, (4) an electrical contact element extends to at least two surfaces of the support member, and/or (5) a substantial entirety of the module is located on one side of a plane and the emitter emits light into another side of the plane. Also, a module comprising means for supporting a light emitter and a light emitter. Also, a lighting device comprising a housing member and a light emitter mounted on a removable support member. Also, a lighting device comprising a module mounted in a lighting device element. Also, a method comprising mounting a module to a lighting device element.

Abstract: A bulb structure of assembling-type car lamp includes a lamp housing and a bulb unit. The bulb unit includes a mounting base, a bulb holder, and a bulb. The mounting base includes electric pins, a forward raised seat, and a rearward protruded annular ring portion. The annular ring portion is externally provided with anti-slip ribs to facilitate easy turning and assembling of the bulb unit to the lamp housing. The bulb holder includes a holding seat and an adjusting seat connected to the mounting base and the bulb, respectively; and the bulb is electrically connected to the electric pins. By adjusting the adjusting seat relative to the holding seat, the bulb can be adjusted in position and focal length. A cover plate is closed to a rear open end of the annular ring portion to isolate joints of the bulb and the electric pins from external air, dust and water.

Abstract: Apparatus and associated methods involve an assembly of multiple LED light engines in which a desired number of LED lamps are mounted to a plate that forms a wall of an enclosure. In an illustrative example, three LED light engines may be mounted to a plate that may be slidably installed as a wall of an extruded housing that contains electrical connections from an AC power inlet to each light engine. In various examples, the number and layout arrangement of the LED light engines may be custom selected for a particular application.

Abstract: A light emitting diode (LED) lamp has a seat with a base, a cover mounted on the seat, and an AC fan, a heat sink and an AC LED light source mounted in the seat. The AC fan and the AC LED light source are electrically connected to the base of the seat. An AC directly provides to and drives the AC fan and the AC LED light source and no converter module is needed. Therefore, the LED lamp is quiet, energy saving and has good heat dissipation and low manufacturing costs for a prolonged operating life.

Abstract: An LED lamp with improved lighting area has a lamp base, a substrate assembly mounted on the lamp base and a cap engaged with the lamp base to enclose the substrate assembly therein. The substrate assembly has multiple substrates intersecting each other. Multiple LEDs are mounted on the substrates to form a spherical distribution that allows the LED lamp to provide wide-angled lighting.

Abstract: An ornamental lamp comprises a barrel holder, an LED lamp set and a lamp shade. The barrel holder includes an opening, two electric connecting ports communicating with the opening and two elastic holding struts held in the opening. The elastic holding struts and the inner edge of the opening form a housing space therebetween. The two elastic holding struts are divided by a notch in the middle. The LED lamp set has two conductive pins running through the electric connecting ports to receive electric power. The LED lamp set has a lower edge butting the elastic holding struts. The lamp shade is wedged in the housing space and pushes the elastic holding struts inwards during wedging to bend slightly towards the notch. The bent portion of the elastic holding struts generates an elastic returning force to clamp the lamp shade in a compact manner.

Abstract: A light emitting diode (LED) projection lamp includes a lamp body and a plurality of LEDs. The lamp body includes an inverted conical shaped external cover, an electric contact base formed at the tip of the external cover, and a plurality of protrusions arranged on an internal wall of the external cover with a circular distribution, and each protrusion has at least one fixing surface. The LEDs are installed separately on each fixing surface, and an inclination is formed between lights emitted by the LEDs and a projection plane for reducing reflective lights, and the LEDs are electrically coupled to the electric contact base, such that heat produced by using the LEDs is conducted directly to the external cover for its dissipation to improve the heat dissipating efficiency and lifespan of the lamp, and the angular arrangement of the LEDs also improves the saturation and reflection of the light.

Abstract: The present invention relates to a method for making a global LED lamp (10) having a transparent globe (14) and a base (12) for connecting to a lamp socket. By wrapping the base (12) in expansive foam tape (38) of Compriband type or similar, prior to inserting it in a neck shaped portion (16) of the globe (14), automatic alignment of the base (12) in the globe neck (16) may be obtained. Further, soft metal strips (36) may be wrapped about the tape (38) prior to wrapping the tape (38) about the base (12). The tape (38) acts as an inflatable cushion, which presses the metal strips (36) towards the base (12) and the globe (14). Improved heat transfer between the globe (14) and the base (12) may thus be obtained.

Abstract: In certain embodiments, a lamp is provided with an arc envelope including a ceramic, an end member including a material different from the ceramic, and a compliant seal disposed between the end member and the arc envelope. The compliant seal includes a plurality of layers having different thermal expansion characteristics in an order of gradual change between the arc envelope and the end member.

Abstract: A high-pressure discharge lamp has an outer envelope (1) in which a discharge vessel (11) is arranged. The discharge vessel encloses a discharge space (13) with an ionizable filling. The discharge vessel has two mutually opposed neck-shaped portions (2,3) through which current supply conductors (4,5) extend to a pair of electrodes (6,7) in the discharge space. A lamp base (8) of electrically insulating material supports the discharge vessel. The lamp base also supports the outer envelope (1). The outer envelope encloses the current supply conductors and is connected to the lamp base in a gas-tight manner. By controlling the atmosphere in the outer envelope, a simplified and compact high-pressure discharge lamp is provided with an accurate positioning of the discharge vessel with respect to the optical axis of the lighting system. The high-pressure discharge lamp can be suitably applied in an assembly with a reflector.

Abstract: A lamp includes a lamp holder module and light-emitting module disposed in the lamp holder module. The lamp holder module includes a body, a pressing mechanism disposed on the body, and an upper cover engaging removably the body. The light-emitting module is placed on the body and is pressed into position through the pressing mechanism. The pressing mechanism is operable to release the light-emitting module, thereby facilitating removal and installation of the light-emitting module. The upper cover serves as a lens of the light-emitting module and covers the light-emitting module.

Abstract: An LED lamp includes a connecting member and an LED module. The connecting member electrically connects with a power source. The LED module threadedly engages with and electrically connects to the connecting member.

Abstract: An LED lamp includes a cooling member, a light source, a lamp cover and a pair of lamp caps arranged at opposite ends of the cooling member. The cooling member has an elongated heat absorbing plate forming a heat absorbing surface at one outer side thereof. The light source includes a plurality of LEDs arranged on the heat absorbing surface. The lamp cover covers the LEDs therein and engages with the cooling member. Each lamp cap includes an end cap fixed on the cooling member and a connector rotatably connected with the end cap. The connector includes a pair of poles being electrically connected to the LEDs and extending outwardly therefrom for inserting into a lamp holder to get a power for the LEDs.

Abstract: A light source apparatus, comprises a discharge lamp and an auxiliary start-up light source provided in a base for the discharge lamp, wherein first and second external electrodes of the auxiliary start-up light source are formed on an outer face of a discharge container thereof, wherein a first lamp power feeder connected to a first external lead extending from one of the sealing portions of the discharge lamp and a first auxiliary light source power feeder connected to the first external electrode of the auxiliary start-up light source are connected to the first power supply terminal, and wherein a second lamp power feeder connected to a second external lead extending from the other sealing portion of the discharge lamp and a second auxiliary light source power feeder connected to a second external electrode of the auxiliary start-up light source are connected to the second power supply terminal.

Abstract: An LED lamp includes a connecting member and an LED module. The connecting member is adapted for electrically connecting with a power source. The LED module is clasped by and electrically connects to the connecting member.

Abstract: A lamp module suitable for a projector has an insulating base, a lamp, electrode lines, electrode terminals, electrode strips, conductive lines, an electrical connector and conductive terminals. The lamp is mounted on the insulating base. Each of the electrode lines has an end connected to the lamp. The electrode terminals are respectively connected to the other ends of the electrode lines. Each of the electrode strips has a first end and a second end, wherein the electrode terminals and the first ends are fastened on the insulating base, and the electrode terminals respectively contact the first ends. The electrical connector is connected to one ends of the conductive lines. The conductive terminals are respectively connected to another ends of the conductive lines. The conductive terminals and the second ends herein are fastened on the insulating base, and the conductive terminals respectively contact the second ends.

Abstract: A light bulb having a light diffusion structure is provided. The light bulb includes a light source, a cap, and a shell. The light source is secured to and electrically connected to the cap. The cap is adapted for connecting with a power supply for providing an electric current from the power supply to the light source for exciting the light source to emit a light. The shell is secured to the cap, and defines a space having an opening. The light source is received in the space of the shell from the opening, and the opening is sealed by the cap. A part of the shell is configured with a coarse surface, and the rest part of the shell is provided with an over coat layer.