TW201604481A - Light-emitting diode light bulb - Google Patents

Abstract

Provided is a light-emitting diode light bulb, which comprises: an electrical joint capable of connecting to a light bulb base connected with a power source, wherein the electrical joint has at least one electrode insertion hole; a lamp wick board including a circuit board and a plurality of light-emitting diodes electrically connected with the printed circuit of the circuit board, wherein the printed circuit has circuit contacts for receiving the driving power; and a circuit module including: a driving circuit board, and a driving circuit, input side electrode contacts and output side electrode contacts arranged on the driving circuit board, wherein at least one input side electrode contact can be inserted in the electrode insertion hole of the electrical joint for directly connecting with the power source when the electrical joint is installed in the light bulb base, and the output side electrode contacts can be directly electrically connected with the circuit contacts of the lamp wick board. Therefore, the power source of the light bulb base can be electrically connected with the lamp wick board directly through the circuit module without having to arrange wires, thereby possessing the advantages of simplifying the manufacture assembling steps and increasing the assembling speed.

Description

Light-emitting diode bulb

The invention relates to a light-emitting diode lighting device, in particular to a light-emitting diode light bulb capable of simplifying production assembly steps, increasing productivity and production speed.

The light-emitting diode lighting device refers to a technology using a light-emitting diode (LED) as a light source. In recent years, due to the improvement of the manufacturing technology of the light-emitting diode, the high-power, high-luminance light-emitting diode has been Successful development is completed, based on the ideal of green energy and environmental protection, manufacturers have begun to introduce LED lamps using LEDs. Since a single light-emitting diode has a much lower luminosity than a conventional light bulb and a power-saving light bulb, a light-emitting diode bulb usually contains a plurality of light-emitting diodes.

Since the light-emitting diode is driven by direct current (DC), unlike the conventional conventional light bulb driven by alternating current, the light-emitting diode bulb is usually provided with a conversion circuit for converting alternating current (AC) to direct current to directly drive the light. Diode. In addition, since the high temperature may damage the light-emitting diode, a heat sink is usually disposed in the light-emitting diode bulb to prevent the light-emitting diode from being damaged due to high temperature. On the other hand, in order to be compatible with existing lamp holders or lamps using conventional light bulbs, it is also necessary to redesign the structure of the light-emitting diode bulb so that the light-emitting diode can be fabricated after the conversion circuit and the related stabilizing device are added. A bulb holder with a conventional bulb or a light-emitting diode bulb compatible with the luminaire can be directly mounted to a bulb holder or luminaire using a conventional bulb.

Known LED bulbs such as the Republic of China Inventions I384170, which proposes a light-emitting diode (LED) bulb structure with a replaceable wick, comprising: a heat-dissipating housing, a metal lamp cap, a driving circuit board, a lamp chip, a gasket and a lamp cover. The heat dissipation housing has an opening at one end and a set of interfaces at the other end. The metal lamp cap is disposed on the group interface of the heat dissipation housing. The driving circuit board is disposed inside the heat dissipation housing and electrically connected to the metal lamp cap. The lamp chip and the spacer are disposed in the opening to electrically connect the lamp chip to the driving circuit board. In addition, in the approved M455988, a modular LED emitter lamp is proposed, comprising: a lamp cover, a lamp board printed with a circuit and electrically connected with a plurality of LED packages, and a lamp cup. a lamp holder and a driving module printed with a circuit and electrically connected with a plurality of electronic components; wherein the lamp plate has a connector base; the lamp cup has an upper open end, a lower open end and a screwing portion; the lamp holder has a combination The body is composed of a body, an insulator and a contact body; the driving module has a joint male seat and a set of ground wire and fire wire; the open end of the lamp cup is covered by the light plate, and the joint mother seat and the joint male seat are plugged and coupled. The ground wire abuts against the contact body of the lamp socket, and the combination of the fire wire and the lamp socket abuts, and the lamp socket combination body is screwed with the screwing portion of the lamp cup.

The driving circuit board in the known light-emitting diode bulb is mainly through the wires and The circuit board with the light-emitting diodes is electrically connected together, and on the other hand, the other wires and the lamp cap are electrically connected together, so the welding process is required several times in the process of production assembly, and the production process is complicated. Although the aforementioned M455998 patent electrically connects the lamp board and the driving module by using a pair of joints and joint mats that can be plugged and coupled to each other, the lamp holder is still electrically connected through the electric wires and the driving module, and the welding is still not effectively reduced. The process step, wherein the lamp holder comprises a metal composite body, and an insulator for isolating the combined body and the contact body, which has many structural components and needs to be assembled, so it is laborious and time consuming, and additionally requires additional Using the joint male and connector females also increases the number of parts.

The details of other functions and embodiments of the present invention are described below in conjunction with the drawings.

One of the objects of the present invention is to solve the problem that the conventional light-emitting diode bulb requires multiple welding wires to cause inconvenience in assembly.

To achieve the above object, an embodiment of a light-emitting diode bulb according to the present invention includes: an electrical connector connectable to a bulb holder connected to a power source, the electrical connector having at least one electrode receptacle; and a wick board including a circuit a plate and a plurality of light-emitting diodes, the surface of the circuit board is provided with a printed circuit and the light-emitting diodes are electrically connected, and the printed circuit has a circuit contact for driving power to drive the light-emitting diodes to be brightened A circuit module comprises: a driving circuit board and a driving circuit disposed on the driving circuit board, an input side electrode contact and an output side electrode contact, and at least one input side electrode contact can be inserted in the electrode socket of the electric connector The electrical connector is directly connected to the power source through the input side electrode contact when the electrical connector is mounted on the bulb holder, and the output side electrode contact can be directly electrically connected to the circuit contact of the wick board; The light-emitting diode bulb does not need to be configured or soldered to enable the power supply of the bulb holder to be directly connected to the wick through the circuit module, which simplifies the production assembly steps. And the advantage of increasing the speed of assembly.

An embodiment of a light-emitting diode bulb proposed by the present invention includes an electrical insulator having electrical insulation, the electrically insulating electrical connector having a first electrode receptacle and a second electrode receptacle, circuit mode The group has a first input side electrode contact and a second input side electrode contact, and the first input side electrode contact and the second input side electrode contact are respectively inserted into the first electrode jack of the electrical connector and the first The two-electrode jack is a conductive portion outside the exposed electrical connector, and is configured to directly pass through the first input-side electrode contact and the second input-side electrode contact when the electrical connector is mounted on the lamp holder Connect to the power supply.

In another embodiment of the light-emitting diode bulb of the present invention, the electrical connector includes a first conductive portion and a second conductive portion having conductivity, and the first conductive portion and the second conductive portion are borrowed between Isolated by an electrical insulating portion, the bottom end of the first conductive portion is fixed with a connecting tube electrically insulated; after the electrical connector is mounted on the bulb holder to which the power source is connected, the first conductive portion and the second conductive portion may be different from the bulb holder The power connector is electrically connected, and the electrical connector has an electrode socket disposed in any one of the first conductive portion and the second conductive portion, and one of the input side electrode contacts of the driving circuit board of the circuit module can be correspondingly inserted The electrode jack is a conductive portion other than the exposed electrical connector, and the other input side electrode contact of the driving circuit board of the circuit module can be directly electrically connected to the first conductive portion and the first side of the electrical connector The two conductive portions are not provided with one of the electrode insertion holes.

An embodiment of a light-emitting diode bulb according to the present invention includes a heat sink, the heat sink includes at least one heat conducting plate and a hollow inner cavity, and the electrical connector is fixed at one end of the heat sink, and the circuit module extends into the hollow The cavity and the board of the wick board are assembled on the heat conducting board and can transfer heat through the heat conducting board to dissipate heat.

In an embodiment of the light-emitting diode bulb proposed by the present invention, the heat sink includes a plurality of heat-dissipating fins surrounding the hollow cavity for heat dissipation.

10‧‧‧Electrical connector

10a‧‧‧Electrical connector

11‧‧‧First electrode jack

12‧‧‧Second electrode jack

12a‧‧‧Second electrode jack

13‧‧‧First Conductive Department

14‧‧‧Second Conductive Department

15‧‧‧Electrical insulation

16‧‧‧Connecting tube

20‧‧‧ wick board

21‧‧‧ boards

211‧‧‧ bottom

212‧‧‧ top surface

22‧‧‧Lighting diode

23‧‧‧First circuit contact

231‧‧‧First perforation

24‧‧‧Second circuit contact

241‧‧‧Second perforation

30‧‧‧Circuit Module

31‧‧‧Drive Circuit Board

32‧‧‧Drive circuit

331‧‧‧First input side electrode contact

332‧‧‧Second input side electrode contact

341‧‧‧First output side electrode contact

342‧‧‧Second output side electrode contact

35‧‧‧Insulation

36‧‧‧ crack

36a‧‧‧ crack

40‧‧‧heatsink

41‧‧‧heat conducting plate

42‧‧‧ hollow cavity

44‧‧‧Tubular components

431‧‧‧First through hole

432‧‧‧second through hole

45‧‧‧Heat fins

50‧‧‧shade

F1‧‧‧ end face

F2‧‧‧ end face

F3‧‧‧ end face

F4‧‧‧ end face

Fig. 1 is an exploded structural view showing an embodiment of the present invention.

Fig. 2 is a cross-sectional view showing the combined structure of the embodiment of Fig. 1.

Fig. 3 is an exploded structural view showing another embodiment of the present invention.

Fig. 4 is an exploded structural view showing another embodiment of the present invention.

Fig. 5 is a sectional view showing the combined structure of the embodiment of Fig. 4.

Fig. 6 is an exploded structural view showing another embodiment of the present invention.

Fig. 7 is an exploded structural view showing another embodiment of the present invention.

Fig. 8 is an exploded structural view showing another embodiment of the present invention.

The embodiments and/or the embodiments of the present invention are disclosed in the following, in which the technical features and/or the connections between the elements and/or the corresponding relationships between the elements, and at least "connected" or "electrically connected" are included. Any one of the text descriptions and the connecting lines shown in the figure (including any of the straight lines and the arrows with arrows), for those of ordinary skill in the art, should be able to fully understand the foregoing text description or Any of the various types of connection lines have been directly or implicitly indicated that the technical features and/or the elements are electrically and/or mechanically connected and can be implemented. In the various figures mentioned below, the same or corresponding elements are denoted by the same or corresponding element symbols, and when the same or corresponding elements contain two or more, the numerical parts of the element symbols are the same. Mark different English letters after the numbers to show the difference.

First, please refer to FIG. 1 and FIG. 2, which are exploded structural views of an embodiment of a light-emitting diode bulb according to the present invention, including an electrical connector 10, a wicking board 20, and a circuit module 30.

The electrical connector 10 can be connected to a lamp holder connected to a power source (not shown). The electrical connector 10 can be of different specifications and can be connected to an existing lamp holder according to electrical specifications used in different countries or regions. The implementation of the electrical connector 10 can be implemented. The method includes any one of a screw cap, a connector cap and a plug-in cap, wherein the electric connector 10 shown in FIG. 1 is a screw cap, that is, the current model is preceded by the English letter E (for example) E22, E26 and E27), but this new type The electrical connector 10 is not limited to this, and the electrical connector 10 can also be a plug-in lamp head, that is, the current model is preceded by the English letter G (for example, GU10), and the connector type lamp cap is the current model. Starting with the English letter B, the electrical connector 10 shown in Figures 4 and 5 is the connector type lamp of Model B22.

Please refer to FIG. 1 and FIG. 2, in an embodiment of the present invention, wherein the electrical connector 10 One embodiment of the first electrode insertion hole 11 and the second electrode insertion hole 12, the first electrode insertion hole 11 and the second electrode insertion hole 12 are through holes or notches of the electrical connector 10, and the first electrode is inserted. The hole 11 and the second electrode insertion hole 12 respectively correspond to different power supply contacts of the lamp holder (for example, the ground connection and the live connection of the AC power supply, and may also be the positive and negative poles of the DC power supply); The preferred embodiment is an integrally formed electrical insulating component which can be fabricated from an electrical plastic material such as polycarbonate (PC). The electrical connector 10 made of PC material can be manufactured by injection molding technology, as shown in FIG. That is, the electrical connector 10 made of PC material only needs to be processed to form the first electrode insertion hole 11 and the second electrode insertion hole 12 at positions corresponding to different power supply contacts of the lamp holder, and the electrical connector made of PC material is used. 10 is a single component construction without multiple parts assembly, which can simplify the production assembly step and increase the assembly speed; FIG. 7 illustrates another embodiment of the electrical connector 10a, including a first conductive portion 13 having conductivity. And a second guide The first conductive portion 13 and the second conductive portion 14 are separated by an electrical insulating portion 15, and the bottom end of the second conductive portion 14 is fixed with a connecting tube 16 that is electrically insulated; the electrical connector 10a is mounted on the connection After the bulb holder of the power source, the first conductive portion 13 and the second conductive portion 14 can be electrically connected to different power contacts of the bulb holder (for example, a ground connection and a live contact of the AC power source, or a positive pole of the DC power supply) The present invention is not shown in the drawings, but it will be understood by those skilled in the art that after understanding the foregoing technical contents of the present invention, the first electrode insertion hole 11 can also be used when such an electrical connector 10a is employed. Located in the first conductive part 13, the second electrode insertion hole 12 is disposed on the second conductive portion 14.

One embodiment of the wick board 20 includes a circuit board 21 and a plurality of light emitting diodes The body 22, the surface of the circuit board 21 is provided with a printed circuit and the light-emitting diodes 22 are electrically connected. The printed circuit has a first circuit contact 23 and a second circuit contact 24 for driving power to drive the The light-emitting diodes 22 are illuminated. In an embodiment shown in FIG. 1 , a plurality of light-emitting diodes 22 are disposed on the bottom surface 211 of the circuit board 21 , and the circuit board 21 is in the first circuit corresponding to the printed circuit. The position of the contact 23 and the second circuit contact 24 has a first through hole 231 and a second through hole 241.

An embodiment of the circuit module 30 includes: a driving circuit board 31 and is disposed on The driving circuit 32 of the driving circuit board 31, the input side electrode contact and the output side electrode contact, the driving circuit 32 includes an electronic component and a printed circuit electrically connected to the electronic component or an equivalent configuration thereof, and the driving circuit 32 is usually used For power conversion (such as AC to DC or DC to DC DC-DC) and power control (such as transformer, voltage regulation and constant current control), and then convert the power of the lamp holder to drive the light The driving power of the polar body 22 is bright, and the input side electrode contact and the output side electrode contact are electrically connected to the driving circuit 32 as the power input side of the driving circuit 32 and the power output side of the output driving power, respectively; the input side electrode contact One embodiment of the configuration includes a first input side electrode contact 331 and a second input side electrode contact 332. One embodiment of the first input side electrode contact 331 and the second input side electrode contact 332 is driven. One end of the circuit board 31 is formed with a protruding portion, and a phase of the protruding portion is formed by a conductive metal layer, a printed circuit, a solder, a metal conductive sheet or the equivalent structure thereof disposed on the surface of the driving circuit board 31. The both side surfaces and the end faces F1 and F2 (meaning the side walls of the edge of the drive circuit board 31) directly form the first input side electrode contact 331 and the second input side electrode contact 332 having electrical conductivity (including the blackened portion in the drawing) The first input side electrode contact 331 and the second input side electrode contact 332 are electrically connected to the driving circuit 32, and if necessary, The first input side electrode contact 331 and the second input side electrode contact 332 are electrically isolated by an insulating portion 35 (which may be an insulating varnish on the surface of the circuit board) disposed on the driving circuit board 31, and the first input side electrode is connected The point 331 and the second input side electrode contact 332 can be respectively inserted into the first electrode insertion hole 11 and the second electrode insertion hole 12 of the electrical connector 10 and become a conductive portion outside the electrical connector 10, preferably implemented. The soldering can be applied to the exposed portions of the first input side electrode contact 331 and the second input side electrode contact 332, so that the electrical connector 10 is directly transmitted through the first input side electrode contact 331 and the second when mounted on the bulb holder. The input side electrode contact 332 is electrically connected to different power contacts of the lamp holder (for example, the ground connection and the live line contact of the AC power source, or the positive and negative poles of the DC power supply), and is electrically connected to the power supply.

An embodiment of the driving circuit board 31 is further configured to include a first input side A crack 36 between the pole contact 331 and the second input side electrode contact 332 (see FIG. 1), so that the first input side electrode contact 331 and the second input side electrode contact 332 can have a slight The elasticity of the bending deformation is such that after the first input side electrode contact 331 and the second input side electrode contact 332 are correspondingly inserted into the first electrode insertion hole 11 and the second electrode insertion hole 12, the electrical connector 10 can be engaged. The first electrode insertion hole 11 and the second electrode insertion hole 12 have a positioning effect.

Another embodiment of the driving circuit board 31 is constructed as shown in Fig. 6, wherein Two opposite input side electrode contacts 332a and 332b are respectively disposed at opposite sides of an input side electrode contact 331, and the second input side electrode contacts 332a and 332b and the first input side electrode contact are respectively provided. The slits 36 and 36a are also provided between the 331 to generate elasticity, and can be electrically isolated by the insulating portion 35. The second electrode insertion hole 12a is also disposed at a position corresponding to the second side input side electrode contact 332b of the electrical connector 10. The second input side electrode contact 332b is made to expose a conductive portion other than the electrical connector 10.

An embodiment of the output side electrode contact is configured to include a first output side electrode a contact 341 and a second output side electrode contact 342, the first output side electrode contact 341 and the second output side electrode contact 342 are electrically connected to the driving circuit 32, and the power source is connected by the first input side electrode contact 331 and the The two input side electrode contacts 332 are guided to the drive circuit 32, and the drive power generated via the drive circuit 32 is output to the wick plate 20 by the first output side electrode contact 341 and the second output side electrode contact 342.

As shown in FIGS. 1 and 2, the first output side electrode contact 341 and the second output The first embodiment of the side electrode contact 342 forms a protrusion at one end of the driving circuit board 31 corresponding to the wick board 20, and uses a conductive metal layer or a printed circuit disposed on the surface of the driving circuit board 31 at the protruding portion. The opposite side surfaces and even the end faces F3 and F4 (meaning the side walls of the edge of the driving circuit board 31) directly form the first output side electrode contact 341 and the second output side electrode contact 342 having conductivity (sentence included in the figure) The black output portion 341 and the second output side electrode contact 342 can be respectively inserted into the first through hole 231 and the second through hole 241 of the wick board 20, and only a simple soldering process is required. The first output side electrode contact 341 and the second output side electrode contact 342 are soldered to the first circuit contact 23 and the second circuit contact 24 of the printed circuit to transmit the driving power to the printed circuit of the wick board 20 ( The figure is not shown) for driving the light-emitting diode 22 to illuminate.

As shown in FIG. 3, the first output side electrode contact 341 and the second output side electrode are connected Another first embodiment of the point 342 is implemented at one end of the drive board 31 corresponding to the wick board 20, by means of a metal terminal or metal pin electrically connected to the drive circuit 32, and in accordance with the same manner as described above. The first output side electrode contact 341 and the second output side electrode contact 342, which are made of metal terminals or metal pins, are soldered to the first circuit contact 23 and the second circuit contact 24 of the printed circuit, respectively, and The printed circuit for driving power transmission to the wick board 20 is used to drive the illuminating diode 22 to illuminate.

In an embodiment of the light-emitting diode bulb of the present invention, a heat sink is further included 40. The heat sink 40 can be made of extruded aluminum. The heat sink 40 includes at least one heat conducting plate 41 and a hollow inner cavity 42. The hollow inner cavity 42 is surrounded by a tubular member 44 communicated at both ends, and the electrical connector 10 is fixed. The circuit module 30 is disposed at one end of the heat sink 40, and the circuit module 30 can extend into the hollow inner cavity 42. The circuit board 21 of the wick board 20 is assembled on the heat conducting board 41 and can transmit heat through the heat conducting board 41 for heat dissipation. One embodiment is a circuit. The plate 21 is provided with the opposite top surface 212 of the light emitting diode 22 attached to the heat conducting plate 41. The heat conducting plate 41 has a first through hole 431 at a position corresponding to the first through hole 231 and the second through hole 241 of the circuit board 21. And a second through hole 432, so that the first output side electrode contact 341 and the second output side electrode contact 342 can pass through the first through hole 431 and the second through hole 432, respectively, and are further inserted into the wick board 20 A through hole 231 and a second through hole 241.

As shown in FIGS. 1 and 2, an embodiment of the heat sink 40 further includes several The heat dissipating fins 45 are surrounded and fixed (in an inlay manner) on the outer side of the tubular member 44, and the heat conducting plate 41 is made of a material having better heat conductivity, such as a metal plate (which may be an aluminum plate or a copper plate), and conducts heat. The plate 41 is disposed at one end of the tubular member 44, thereby forming the heat sink 40 into a structure having a hollow inner cavity 42; wherein a transparent lamp cover 50 is further disposed at the bottom end of the heat sink 40 for protecting the light emitting diode Body 22.

Figure 7 illustrates another embodiment of an electrical connector 10a that includes electrical conductivity. The first conductive portion 13 and the second conductive portion 14 are separated by an electrical insulating portion 15 between the first conductive portion 13 and the second conductive portion 14. The bottom end of the second conductive portion 14 is electrically insulated. The connector 16 can be connected to the tubular member 44 of the heat sink 40; after the electrical connector 10a is mounted to the bulb holder to which the power source is connected, the first conductive portion 13 and the second conductive portion 14 can be electrically connected to different power contacts of the bulb holder (for example The ground connection and the live connection of the AC power supply can also be the positive and negative poles of the DC power supply; According to an embodiment of the present invention, the electrical connector 10a has at least one electrode insertion hole disposed on the first conductive portion 13 and the second conductive portion 14, and at least one input side of the driving circuit board 31 of the circuit module 30 The electrode contact may be correspondingly inserted into the electrode insertion hole and become a conductive portion outside the electrical connector 10a. In a preferred embodiment, the exposed portion of the input side electrode contact may be soldered to the electrical connector 10a. When the lamp holder is mounted, the other input of the driving circuit board 31 of the circuit module 30 is directly connected through the exposed input side electrode contact and a certain power contact corresponding to the exposed input side electrode contact in the bulb holder. The side electrode contacts may be directly electrically connected to the first conductive portion 13 and the second conductive portion 14 on the inner side of the electrical connector 10a, wherein one of the electrode insertion holes is not provided.

In an embodiment shown in FIG. 7, wherein the first conductive portion 13 has a first The electrode insertion hole, the first input side electrode contact 331 of the driving circuit board 31 of the circuit module 30 is correspondingly inserted into the first electrode insertion hole 11 and becomes a conductive portion outside the electrical connector 10a, and the circuit module The second input side electrode contact 332 of the driving circuit board 31 of the 30 is directly electrically connected to the second conductive portion 14 on the inner side of the electrical connector 10a. In an embodiment shown in FIG. 8, the second electrode insertion hole 12 is disposed in the second conductive portion 14, and the second input side electrode contact 332 of the driving circuit board 31 of the circuit module 30 is correspondingly inserted in The second electrode insertion hole 12 is a conductive portion other than the electrical connector 10a, and the first input side electrode contact 331 of the driving circuit board 31 of the circuit module 30 is directly electrically connected to the inner side of the electrical connector 10a. The first conductive portion 13 is overlapped.

Although the present invention has been disclosed above through the above embodiments, it is not intended to be limiting. In the present invention, any skilled person skilled in the art will be able to make some modifications and refinements without departing from the spirit and scope of the invention, and therefore the scope of the invention shall be determined by the scope of the appended claims. .

10‧‧‧Electrical connector

12‧‧‧Second electrode jack

20‧‧‧ wick board

21‧‧‧ boards

211‧‧‧ bottom

212‧‧‧ top surface

22‧‧‧Lighting diode

23‧‧‧First circuit contact

231‧‧‧First perforation

24‧‧‧Second circuit contact

241‧‧‧Second perforation

30‧‧‧Circuit Module

31‧‧‧Drive Circuit Board

32‧‧‧Drive circuit

331‧‧‧First input side electrode contact

332‧‧‧Second input side electrode contact

341‧‧‧First output side electrode contact

342‧‧‧Second output side electrode contact

40‧‧‧heatsink

41‧‧‧heat conducting plate

42‧‧‧ hollow cavity

44‧‧‧Tubular components

431‧‧‧First through hole

432‧‧‧second through hole

45‧‧‧Heat fins

50‧‧‧shade

F1‧‧‧ end face

F2‧‧‧ end face

F3‧‧‧ end face

F4‧‧‧ end face

Claims (18)

A light-emitting diode bulb can be installed and used in a bulb holder connected to a power source, comprising: an electrical connector connected to the bulb holder, the electrical connector comprising a first conductive portion and a second conductive portion having conductivity The first conductive portion and the second conductive portion are separated by an electrical insulation portion, and the first conductive portion and the second conductive portion are respectively electrically connected to different power contacts of the bulb seat, the electrical joint having at least An electrode socket is disposed in one of the first conductive portion and the second conductive portion; a wick board, the wick board comprises a circuit board and a plurality of light emitting diodes, and a surface of the circuit board is provided with a printed circuit and The printed circuit has a first circuit contact and a second circuit contact for driving power to drive the light emitting diodes to illuminate; a circuit module includes: a driving circuit board and a driving circuit disposed on the driving circuit board, a first input side electrode contact, a second input side electrode contact, a first output side electrode contact and a second output side electrode contact The drive circuit Converting the power source connected to the bulb holder into the driving power, and inserting one of the first input side electrode contact and the second input side electrode contact into the electrode socket of the electrical connector to expose the electrical connector The other one of the first input side electrode contact and the second input side electrode contact may be directly electrically connected to the first conductive portion and the second conductive portion. In one of the electrode insertion holes, the first output side electrode contact and the second output side electrode contact are directly electrically connected to the first circuit contact and the second circuit contact of the wick board, respectively. The light-emitting diode bulb of claim 1, wherein the electrical connector comprises any one of a screw base, a joint base and a plug-in base. The light-emitting diode bulb of claim 1, wherein the circuit board of the wick has a first through hole and a second through hole at a position corresponding to the first circuit contact and the second circuit contact. The first output side electrode contact and the second output side electrode contact are respectively inserted into the first through hole and the second through hole of the wick board, and are respectively soldered to the first circuit contact of the printed circuit and The second circuit contact. The light-emitting diode bulb of claim 1, having a protrusion at one end of the driving circuit board, and a metal layer having a conductive side on opposite side surfaces and end surfaces of the protruding portion to form the first input side An electrode contact and the second input side electrode contact. The light-emitting diode bulb according to claim 1 has a protruding portion at one end of the driving circuit board corresponding to the wick board, and the opposite side surfaces and the end surface of the protruding portion have a conductive metal The layer is configured to form the first output side electrode contact and the second output side electrode contact. The light-emitting diode bulb according to claim 1, wherein the first output-side electrode contact and the second output-side electrode contact are metal terminals electrically connected to the driving circuit. The light-emitting diode bulb of claim 1, comprising a heat sink, the heat sink comprising at least a heat conducting plate and a tubular member, the tubular element having a hollow inner cavity, the electrical connector being fixed to the heat sink At one end, the circuit module can extend into the hollow inner cavity, and the circuit board of the wick board is assembled to the heat conducting plate and can transmit heat through the heat conducting plate to dissipate heat. The light-emitting diode bulb of claim 7, comprising a plurality of heat-dissipating fins surrounding and fixed to the tubular member. A light-emitting diode bulb can be installed and used in a light source socket connected to a power source, comprising: an electrical connector, which can be matched with the bulb holder, the electrical connector having a first electrode insertion hole and a second electrode insertion hole, The first electrode insertion hole and the second electrode insertion hole respectively correspond to different power supply contacts of the light bulb holder; a wick board, the wick board comprises a circuit board and a plurality of light emitting diodes, and the surface of the circuit board is arranged a printed circuit is electrically connected to the light emitting diodes, the printed circuit has a first circuit contact and a second circuit contact for driving power to drive the light emitting diodes to emit light; The group includes: a driving circuit board and a driving circuit disposed on the driving circuit board, a first input side electrode contact, a second input side electrode contact, a first output side electrode contact and a second output a side electrode contact, the driving circuit can convert the power source connected to the bulb holder into the driving power, and the first input side electrode contact and the second input side electrode contact can be respectively inserted into the electric connector One electrode jack The second electrode insertion hole is a conductive portion exposed outside the electrical connector, and is configured to directly pass through the first input side electrode contact and the second input side electrode contact when the electrical connector is mounted on the lamp holder Connected to the power source, the first output side electrode contact and the second output side electrode contact are directly electrically connected to the first circuit contact and the second circuit contact of the wick board, respectively. The light-emitting diode bulb of claim 9, the electrical connector comprising any one of a screw base, a joint base and a plug-in base. The light-emitting diode bulb according to claim 9, wherein the electrical connector is an integrally formed electrical insulating member. The light-emitting diode bulb of claim 9, wherein the electrical connector comprises a first conductive portion and a second conductive portion, wherein the first conductive portion and the second conductive portion are electrically connected Absolutely The first electrode insertion hole is disposed on the first conductive portion, and the second electrode insertion hole is disposed on the second conductive portion. The light-emitting diode bulb of claim 9, wherein the circuit board of the wick has a first through hole and a second through hole at a position corresponding to the first circuit contact and the second circuit contact. The first output side electrode contact and the second output side electrode contact are respectively inserted into the first through hole and the second through hole of the wick board, and are respectively soldered to the first circuit contact of the printed circuit and The second circuit contact. The light-emitting diode bulb according to claim 9, having a protruding portion at one end of the driving circuit board, and a metal layer having conductivity on opposite side surfaces and end surfaces of the protruding portion for forming the first input side electrode A contact and the second input side electrode contact. The light-emitting diode bulb according to claim 9 has a protruding portion at one end of the driving circuit board corresponding to the wicking board, and a metal layer having conductivity on opposite side surfaces and end surfaces of the protruding portion is used to constitute the first An output side electrode contact and the second output side electrode contact. The light-emitting diode bulb according to claim 9, wherein the first output-side electrode contact and the second output-side electrode contact are metal terminals electrically connected to the driving circuit. The light-emitting diode bulb of claim 9, comprising a heat sink, the heat sink comprising at least a heat conducting plate and a tubular member, the tubular element having a hollow inner cavity, the electrical connector being fixed to the heat sink At one end, the circuit module can extend into the hollow inner cavity, and the circuit board of the wick board is assembled to the heat conducting plate and can transmit heat through the heat conducting plate to dissipate heat. The light-emitting diode bulb of claim 17, comprising a plurality of heat-dissipating fins surrounding and fixed to the tubular member.