CN105987311A - Light-emitting diode bulb - Google Patents

Abstract

A light emitting diode bulb includes: the LED lamp comprises a body, a driving circuit unit and a light emitting unit; the body comprises a left shell and a right shell which can be mutually coupled, the left shell and the right shell can be mutually coupled to form the body with an accommodating space inside, one embodiment of the body at least comprises a lamp cap and a circuit cavity, the other embodiment of the body also comprises a light-transmitting lampshade, the driving circuit unit is arranged in the circuit cavity, and the light-emitting unit is arranged in the light-transmitting lampshade; the assembly steps of the LED bulb can be simplified by the two-piece shell element which can be mutually coupled into the body.

Description

Light Emitting Diode Bulbs

technical field

The present invention relates to a light-emitting diode lighting device, in particular to a light-emitting diode light bulb that adopts a mutually coupled two-piece shell design and has the advantages of simplifying assembly steps and increasing assembly speed.

Background technique

Light-emitting diode lighting device refers to the technology that uses light-emitting diode (LED) as light source. Successful development has been completed. Based on the ideal of green energy and environmental protection, many light bulbs (LED lamps) using light-emitting diodes have been put on the market in large quantities.

Although the light source and light-emitting principle of light-emitting diode bulbs are very different from traditional light bulbs, in order to match with existing bulb holders and reduce the hardware replacement cost of using light-emitting diode bulbs, light-emitting diodes The mechanical structure of the light bulb is still not much different from traditional light bulbs.

For the known mechanical structure of light-emitting diode bulbs, reference may be made to the approved and announced invention patent I384170 of the Republic of China, and the approved and announced new patent M455988. The mechanical structure of the light-emitting diode light bulb generally includes a hollow tubular shell, the light-emitting diode and its driving circuit are arranged inside the tubular shell, an electrical connector is provided at one end of the tubular shell, and The other end is equipped with a light-transmitting lamp. Most of the electrical connectors are still metal shell-shaped components. There are different structures according to the type of electrical connectors. The common types of electrical connectors include: screw-type lamp caps, which are The current model starts with the English letter E (such as B22, E26 and E27); the plug-in lamp cap means the current model starts with the English letter G (such as GU10), and the connector type lamp cap means the current model starts with the English letter B is the beginning. The electrical connector, the tubular shell and the light-transmitting lampshade are manufactured separately and then assembled together with the LED and the driving circuit to form a LED bulb. The driving circuit usually needs to be electrically connected to the electrical connector by welding wires.

Since the light-emitting principle of light-emitting diodes is different from traditional light bulbs, the light-transmitting lampshade has no airtight requirements, and the mechanical structure of traditional light bulbs is still used to manufacture various parts. More assembly steps will consume unnecessary assembly time. , and the speed of assembly that affects the production process.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems of the known light-emitting diode bulbs, and propose a light-emitting diode bulb with the advantages of simplifying the assembly steps and increasing the assembly speed.

In order to achieve the above object, an embodiment of the light-emitting diode bulb of the present invention includes: a body, a drive circuit unit and a light-emitting unit; and the right housing can be coupled with each other to form a body with an accommodating space inside, the body at least includes a lamp cap and a circuit cavity, the lamp cap has a first opening and a second opening through the lamp cap, the driving circuit unit is arranged in the circuit cavity, The driving circuit unit has a driving circuit, a first electrode and a second electrode, the first electrode can be electrically connected to a first power contact in the bulb holder through the first opening, and the second electrode can be connected to the bulb holder through the second opening The light-emitting unit is arranged in the light-transmitting lampshade and is electrically connected with the drive circuit; the assembly steps of the light-emitting diode bulb can be simplified through the above-mentioned two-piece shell element that can be coupled to the body.

In an embodiment of the present invention, the body includes a light-transmitting lampshade, and the light-transmitting lampshade is a two-piece coupled type, including a left lampshade integrated in the left housing and a right lampshade integrated in the right housing.

In an embodiment of the present invention, an independent light-transmitting lampshade is further included, and the independent light-transmitting lampshade is coupled to one end of the circuit chamber of the main body.

In one embodiment of the present invention, the body includes a light-transmitting lampshade, wherein the left housing includes a complete and integrated lamp holder and a circuit cavity, and the light-transmitting lampshade is a two-piece coupling type, including a And a left lampshade connected with the circuit chamber, an independent right lampshade, the right lampshade can be combined with the left lampshade and the circuit chamber of the left housing.

In one embodiment of the present invention, the drive circuit unit is a fixed plug-in structure. When the lamp cap of the light-emitting diode bulb of the present invention is coupled to the bulb socket, the first electrode of the drive circuit unit can be directly connected to the first power contact. The contact forms an electrical connection, and the second electrode can directly contact the second power contact to form an electrical connection.

In one embodiment of the present invention, a metal electrical connector is assembled on the outside of the lamp cap. The shape and specification of the metal electrical connector can be matched with the existing bulb holder, and the first electrode and the second electrode of the driving circuit unit can be electrically connected with the metal electrical connector. The connection can be quickly replaced with metal electrical connectors of different specifications and models by replacing the metal electrical connectors, so as to match the existing bulb holders.

In an embodiment of the present invention, the light-emitting unit is directly disposed on a circuit board of the driving circuit unit, which has the advantage of increasing assembly speed.

In an embodiment of the present invention, one of the left housing and the right housing has at least one reinforcing rib on the inner surface, which can increase the structural strength of the left housing and the right housing and increase the heat dissipation area.

The content described below in conjunction with the drawings is a preferred implementation mode for realizing the above-mentioned purpose, embodiments, technical features and effects of the present invention, and is not intended to limit the present invention.

Description of drawings

Fig. 1; It is the exploded structural diagram of an embodiment of light-emitting diode bulb of the present invention;

Fig. 2A～Fig. 2D; It is the sectional view of the partial structure of an embodiment of the light-emitting diode light bulb of the present invention, depicting several embodiment structures of the left coupling surface and the right coupling surface;

FIG. 3A; is a partial structural cross-sectional view of an embodiment of a light-emitting diode bulb of the present invention, illustrating the structure of a reinforcing rib;

Fig. 3B; is a partial structural sectional view of another embodiment of the light-emitting diode light bulb of the present invention, depicting the structure of the reinforcing rib;

Fig. 4; It is the structural exploded view of another embodiment of light-emitting diode bulb of the present invention;

Fig. 5; It is the structural exploded view of another embodiment of light-emitting diode bulb of the present invention;

Fig. 6; It is the plane structure exploded view of another embodiment of light-emitting diode bulb of the present invention;

FIG. 7 is an exploded view of the plane structure of another embodiment of the new light-emitting diode bulb.

Symbol Description

10 Body 11L Left Case 11R Right Case

12L Left Coupling Side 12R Right Coupling Side 121 Recess

122 Rib 123 Slot 124 Buckle

125 Bolt 126L Left Tap 126R Right Tap

13A lamp base 131 first opening 132 second opening

14 Circuit chamber 141 Opening 15 Rib

16 Loading plate 17 Connecting part 18 Opening

20 drive circuit unit 21 drive circuit 22 first electrode

23 Second electrode 24 Circuit board 241 First side

242 second side 30 light emitting unit 31 light emitting diode

40 Transparent lampshade 41L Left lampshade 41R Right lampshade

41R1 Separate Right Lamp Shield 50 Metal Electrical Connector 51 Third Electrode

52 Fourth Electrode 53 Insulator G Gap

detailed description

Please refer to FIG. 1 first, which is an exploded structure diagram of an embodiment of a light-emitting diode bulb of the present invention; an embodiment of a light-emitting diode bulb of the present invention includes: a body 10, a drive circuit unit 20 and a light-emitting unit 30 The body 10 includes a left shell 11L and a right shell 11R that can be coupled to each other, and the left shell 11L and the right shell 11R can be coupled to each other to form a body 10 with an accommodating space inside, and the body 10 includes at least a lamp cap 13 And a circuit cavity 14, the lamp cap 13 has a first opening 131 and a second opening 132 through the lamp cap 13, the drive circuit unit 20 is located in the circuit cavity 14, the drive circuit unit 20 has a drive circuit 21 (expressed as an electronic component) , a first electrode 22 and a second electrode 23, the first electrode 22 can be electrically connected to a first power contact in the bulb holder (not shown in the figure) through the first opening 131, and the second electrode 23 can be connected through the second The opening 132 is electrically connected to a second power contact in the bulb socket, and the light emitting unit 30 is electrically connected to the driving circuit 21 .

In one embodiment of the present invention, the left housing 11L and the right housing system 11R are made of plastic or other insulating materials using injection or extrusion molding techniques, and can be coated on the outside (such as baking varnish, electroplating or other equivalent coatings). Assembly technology), the positions where the left housing 11L and the right housing 11R are in contact with each other are respectively the left coupling surface 12L and the right coupling surface 12R, and an embodiment of the left coupling surface 12L and the right coupling surface 12R is configured as a plane (see Fig. 2A); In another embodiment configuration, one of the left coupling surface 12L and the right coupling 12R surface has a groove 121, and the other is provided with a protruding rib 122 that can be coupled with the groove 121 (see FIG. 2B) , can increase the structural strength after the mutual coupling of the left coupling surface 12L and the right coupling surface 12R; an embodiment of the mutual coupling of the left coupling surface 12L and the right coupling surface 12R is mutually coupled in a bonding manner, for example, by gluing and super Any one of the implementations of sound wave fusion is bonded to each other; another embodiment in which the left coupling surface 12L and the right coupling surface 12R are coupled to each other is coupled to each other in a snap-fitting manner (see FIG. 2C ), for example, on the left coupling surface One of the 12L and the right coupling surface 12R is provided with a card slot 123, and the other is provided with a buckle 124 that can engage with the card slot 123; in another embodiment, the left coupling surface 12L and the right coupling surface 12R It can also be connected by bolts, as shown in Figure 2D, wherein the left coupling surface 12L is provided with a bolt 125 (preferably a countersunk bolt) and a left screw hole 126L, and the right coupling surface 12R is provided with a right screw hole 126R and left Corresponding to the screw hole 126L, the bolt 125 can be screwed into the left screw hole 126L and the right screw hole 126R to connect the left coupling surface 12L and the right coupling surface 12R together. In other embodiments of the present invention, the left housing 11L and the right housing 11R are coupled to each other in a detachable manner, and can be separated from each other to replace internal parts when necessary, which can be used for repairing and replacing light-emitting diodes 31 of different colors or It is to replace the drive circuit unit 20 with different functions (such as flickering or high power), even if there is a failure, it is not necessary to discard the entire bulb, which has the effect of environmental protection.

In one embodiment of the present invention, the drive circuit unit 20 is fixed inside the circuit cavity 14, the drive circuit unit 20 has a drive circuit 21, a first electrode 22 and a second electrode 23, and the drive circuit 21 includes electronic components and electrical components. A printed circuit or its equivalent structure connected to electronic components. The drive circuit 21 is usually used for power conversion (such as alternating current to direct current AC-DC or direct current to direct current DC-DC) and power control (such as voltage transformation, voltage stabilization and constant current control); the first electrode 22 is used to be electrically connected to a first power contact in the bulb holder, and the second electrode 23 is used to be electrically connected to a second power contact in the bulb holder, and the power supplied by the bulb holder can be Any one of the DC power supply and the AC power supply, the drive circuit 21 is electrically connected to the power supply of the bulb holder through the first electrode 22 and the second electrode 23, and then converts the power supply of the bulb holder into a light for driving the light-emitting diode 31 to shine. Driving power; in an embodiment of the present invention, the driving circuit 21, the first electrode 22 and the second electrode 23 are arranged on a circuit board 24, and the circuit board 24 can be fixed in the accommodation space of the body 10 or the body 10 The inside of the circuit chamber 14.

In one embodiment of the present invention, the light-emitting unit 30 includes a plurality of light-emitting diodes 31 electrically connected to the drive circuit unit 20, and the drive circuit unit 20 drives the light-emitting diodes 31 to move (the moving part including illuminated or non-illuminated). An embodiment of the light-emitting unit 30 is installed on the first side 241 (see FIG. 6 ) or the second side 242 (see FIG. 1 ) opposite to the front portion of the circuit board 24 of the drive circuit unit 20. The circuit board The front part of 24 extends to the inside of light-transmitting lampshade 40 .

Please refer to FIG. 3A , in an embodiment of the present invention, one of the inner sides of the left housing 11L and the right housing 11R has at least one reinforcing rib 15 , or both of the symmetrical inner sides have reinforcing ribs. 15 (as shown in Figure 3A), the reinforcement 15 is located in the circuit cavity 14 of the body 10 and extends along the axial direction of the bulb, which can increase the structural strength of the left housing 11L and the right housing 11R and increase the heat dissipation area. In one embodiment, the circuit cavity 14 of the main body 10 is also provided with a carrier board 16 for carrying and installing the circuit board 24 of the driving circuit unit 20, and the carrier board 16 is coupled and connected to the left housing 11L and the right housing 11R. A joint gap G for installing the circuit board 24 is reserved at the section of the cross section, and the circuit board 24 of the drive circuit unit 20 can be fixed by using the gap G; G, then cover the right housing 11R, and use the left housing 11L and the right housing 11R to sandwich the circuit board 24 for positioning; or, the user can couple the left housing 11L and the right housing 11R to each other Form a body 10, and then position the circuit board 24 through the gap G; of course, in the above-mentioned combination method, the circuit board 24 and the gap G can be designed as a tight fit with a bonding margin to achieve more excellent bonding heat Transmit positioning performance.

In another embodiment of the present invention, as shown in FIG. 3B , the inner surfaces of the left housing 11L and the right housing 11R facing each other are provided with reinforcing ribs 15 and bearing plates 16, which can not only be used to fix the drive circuit unit The circuit board 24 of 20 can further increase the structural strength of the left casing 11L and the right casing 11R and increase the heat dissipation area.

In an embodiment of the present invention, the left housing 11L and the right housing 11R include various embodiment structures, which are described below with reference to the drawings.

Embodiment Construction 1, as shown in Figure 1, the body 10 includes a lamp holder 13, a circuit cavity 14 and a light-transmitting lampshade 40, wherein the light-transmitting lampshade 40 is a two-piece coupling type, including a left side integrally arranged on the left housing 11L. The lampshade 41L, and the right lampshade 41R integrally provided in the right casing 11R.

Embodiment 2, as shown in FIG. 4 , the body 10 includes a lamp cap 13 and a circuit chamber 14 , the circuit chamber 14 has an opening 141 , and the independent light-transmitting lampshade 40 can be coupled with the opening 141 .

Embodiment Three, as shown in FIG. 5 , the body 10 includes a lamp holder 13 , a circuit chamber 14 and a light-transmitting lampshade 40 , wherein the left housing 11L includes the complete and integrated lamp holder 13 and the circuit chamber 14 , The light-transmitting lampshade 40 is a two-piece coupling type, including a left lampshade 41L integrally arranged on the left housing 11L and connected to the circuit chamber 14, and the right housing 11R has only an independent right lampshade 41R1 that can be connected with the left lampshade 41L and the left housing. 11L circuit cavity 14 combination.

In one embodiment of the present invention, the shape of the lamp base 13 can be matched with the existing bulb socket. After the left housing 11L and the right housing 11R are mutually coupled to form the body 10, the lamp base 13 has a first opening 131 through the lamp base 13 and The second opening 132 (can be elongated or circular), the position of the first opening 131 corresponds to the first power contact of the bulb holder, the position of the second opening 132 corresponds to the second power contact of the bulb holder, the circuit of the drive circuit unit 20 The board 24 is fastened inside the circuit cavity 14, and the first electrode 22 and the second electrode 23 of the drive circuit unit 20 can be provided on the side of the circuit board 24 (the place where the ink is painted in the figure) by electroplating or other equivalent means. The first electrode 22 of the drive circuit unit 20 can be inserted into the first opening 131 of the lamp cap 13 and exposed (see FIG. 1 ), and the second electrode 23 of the drive circuit unit 20 can be inserted into the second opening 132 of the lamp cap 13 and exposed, The lamp cap 13 can be directly coupled with the matching bulb holder, and the first electrode 22 can directly contact the first power contact to form an electrical connection, and the second electrode 23 can directly contact the second power contact to form an electrical connection.

Referring to Fig. 6, in another embodiment of the present invention, the lamp cap 13 has a first opening 131 and a second opening 132 (which can be narrow or circular) through the lamp cap 13, and a metal electrical connector is assembled on the outside of the lamp cap 13 50, the shape and specifications of the metal electrical connector 50 can be matched with the existing bulb holder, in other words, the shape and specifications of the metal electrical connector 50 can be manufactured according to the required specifications, the metal electrical connector 50 has a third electrode 51 and a fourth electrode Electrode 52, an insulator 53 is arranged between the third electrode 51 and the fourth electrode 52, and the third electrode 51 and the fourth electrode 52 are insulated from each other by the insulator 53 (that is, the two do not form an electrical connection with each other), and the metal electrical connector 50 The structure is similar to the metal lamp base structure of traditional light bulbs, and it can also be the metal lamp base of traditional light bulbs. The first electrode 22 of the drive circuit unit 20 can be electrically connected through the first opening 131 of the lamp base 13 and the third electrode 51, such as by welding an electric wire Or directly through the first opening 131 to contact the third electrode 51, the second electrode 23 of the drive circuit unit 20 can be electrically connected to the fourth electrode 52 through the second opening 132 of the lamp holder 13, for example, by welding an electric wire Or directly pass through the second opening 132 to contact the fourth electrode 52. When the metal electrical connector 50 of the light-emitting diode bulb of the present invention is coupled with the bulb holder, the third electrode 51 of the metal electrical connector 50 can directly Contact with the first power contact to form an electrical connection, and the fourth electrode 52 of the metal electrical connector 50 can directly contact the second power contact to form an electrical connection. By replacing the metal electrical connector 50, it can be quickly replaced with a metal electrical connector of different specifications. Connector to mate with existing bulb sockets.

Please refer to Fig. 7, in another embodiment of the novel light-emitting diode light bulb, comprise: a body 10, a drive circuit unit 20, a light-emitting unit 30 and a metal electric joint 50; Body 10 comprises a mutually coupling The left housing 11L and a right housing 11R, the left housing 11L and the right housing 11R can be coupled to each other to form a body 10 with an accommodating space inside. The body 10 at least includes a connecting portion 17 and a circuit cavity 14, the connecting portion 17 is formed by coupling the left connecting part 171L provided on the left housing 11L and the right connecting part 171R provided on the right housing 11R. The connecting part 17 has a second opening 132 penetrating and a top end Open opening 18; the aforementioned metal electrical connector 50 can be sleeved on the connection part 17, and is used to combine with the connection part 17 to form a lamp cap 13A that can be coupled with the bulb socket. In an embodiment of the present invention, according to the shape of the lamp cap of the bulb and specifications, the connecting part 17 and the metal electrical connector 50 can be provided with a corresponding combined structure, so that the metal electrical connector 50 can be combined with the connecting part 17 to form a lamp cap of a light bulb. The outer surfaces of the left connecting portion 171L and the right connecting portion 171R can also be provided with matching threads, so that the spiral metal electrical connector 50 can be screwed together with the connecting portion 17; the driving circuit unit 20 is arranged in the circuit chamber 14, and the driving circuit The unit 20 has a driving circuit 21 (represented by an electronic component), a first electrode 22 and a second electrode 23, the first electrode 22 can contact the third electrode 51 of the metal electrical connector 50 through the opening 18 to form an electrical connection, The second electrode 23 can be electrically connected to the fourth electrode 52 of the metal electrical connector 50 through the second opening 132 ;

Based on the embodiment shown in FIG. 7 , the left housing 11L and the right housing 11R can also be combined with the light-transmitting lampshade 40 to form a two-piece shell structure, as in the aforementioned embodiments shown in FIG. 1 , FIG. 4 and FIG. 5 . Relevant embodiments and changes thereof can refer to the embodiments of the aforementioned Fig. 1, Fig. 4 and Fig. 5; for those who are familiar with the technology and have common knowledge and understand the foregoing embodiments of the present invention, they should be able to fully understand and implement accordingly, so no more details .

In an embodiment of the present invention, the shape and specification of the lamp cap 13 and the metal electrical connector 50 can be matched with the existing bulb holder, wherein the lamp cap 13 shown in FIG. 1 is a screw-type lamp cap, which is the current model in English The letter E is the beginning (such as B22, E26 and E27), but the shapes and specifications of the lamp cap 13 and the metal electrical connector 50 disclosed in the present invention are not limited to the above-mentioned ones. According to the electrical specifications used in different countries or regions, the lamp cap 13 and the metal electrical connector 50 can adopt different specifications and can be connected with existing bulb holders. In an embodiment of the present invention, the implementation of the lamp base 13 and the metal electrical connector 50 includes any one of a screw-type lamp base, a joint-type lamp base and a plug-in lamp base.

The embodiments and/or implementations described above are only used to illustrate the preferred embodiments and/or implementations for realizing the technology of the present invention, and are not intended to limit the implementation of the technology of the present invention in any form. Anyone familiar with similar technologies Alternatively, without departing from the scope of the technical means disclosed in the present invention, some changes or modifications may be made to other equivalent embodiments, but they should still be regarded as essentially the same technology or embodiment as the present invention.

Claims (19)

1. A light-emitting diode bulb, which can be coupled with a bulb holder connected to a power supply, is characterized in that it includes: a body, a drive circuit unit and a light-emitting unit; the body includes a left shell that can be coupled to each other Body and a right shell, the left shell and the right shell can be coupled to each other to form a body with an accommodating space inside, the body at least includes a lamp cap and a circuit cavity, the lamp cap can be coupled with the bulb socket , the lamp cap has a first opening and a second opening through the lamp cap, the driving circuit unit is arranged in the circuit cavity, the driving circuit unit has a driving circuit, a first electrode and a second electrode, the first The electrode can be electrically connected to a first power contact in the bulb holder through the first opening, the second electrode can be electrically connected to a second power contact in the bulb holder through the second opening, and the light emitting unit is connected to the bulb holder The driving circuit is electrically connected. 2 . The light emitting diode light bulb as claimed in claim 1 , comprising an independent light-transmitting lampshade, and the independent light-transmitting lampshade is coupled to one end of the circuit cavity of the main body. 3. The light-emitting diode light bulb as claimed in claim 1, wherein the body includes a light-transmitting lampshade, the light-transmitting lampshade is a two-piece coupling type, including a left lampshade integrally arranged on the left housing, And a right lampshade integrally arranged on the right housing. 4. The light-emitting diode light bulb according to claim 1, wherein the body comprises a light-transmitting lampshade, the left housing contains the lamp cap and the circuit cavity which are integrated together completely and integrally, the light-transmitting The lampshade is a two-piece coupled type, including a left lampshade integrally arranged on the left housing and connected to the circuit chamber, and an independent right lampshade. The right lampshade can be combined with the left lampshade and the circuit chamber of the left housing . 5. The light-emitting diode light bulb according to claim 1, wherein the driving circuit, the first electrode and the second electrode are arranged on a circuit board, and the circuit board can be fixed in the housing of the body The space or the interior of the circuit cavity of the body. 6. The light-emitting diode bulb as claimed in claim 5, wherein the position of the first opening corresponds to the first power contact of the bulb holder, and the position of the second opening corresponds to the second contact of the bulb holder. The power contact, the circuit board is fixed inside the circuit cavity, the first electrode and the second electrode are provided on the side of the circuit board, the first electrode can be inserted into the first opening correspondingly and exposed, the second The electrodes can be correspondingly inserted into the second opening and exposed, and the first electrode can directly contact the first power contact to form an electrical connection, and the second electrode can directly contact the second power contact to form an electrical connection. 7. The light-emitting diode light bulb according to claim 5, wherein the light-emitting unit includes a plurality of light-emitting diodes electrically connected to the driving circuit unit, and the light-emitting diodes are mounted on the circuit board A first side of the front portion and an opposite second side thereof. 8. The light-emitting diode light bulb as claimed in claim 1, wherein a metal electrical connector is assembled on the outside of the lamp cap, the shape and specification of the metal electrical connector can be matched and coupled with the bulb holder, and the metal electrical connector has a A third electrode and a fourth electrode, the third electrode and the fourth electrode are not in contact with each other, the first electrode of the drive circuit unit can be electrically connected to the third electrode through the first opening, and the second electrode can be electrically connected to the third electrode through the first opening. It is electrically connected with the fourth electrode through the second opening. 9. The light-emitting diode light bulb as claimed in claim 1, wherein one or both of the left housing and the right housing has at least one reinforcing rib on the inner surface, and the reinforcing rib is located on the main body in the circuit cavity and extend along the axial direction of the bulb. 10. The light-emitting diode light bulb according to claim 9, wherein the driving circuit, the first electrode and the second electrode are arranged on a circuit board, and the circuit board can be fixed on the container of the body. The placement space or the inside of the circuit cavity of the body, a carrier plate is provided in the circuit cavity of the body to carry and install the circuit board, and the carrier plate is reserved close to the cross section where the left shell and the right shell are coupled to each other There is a bonding gap for mounting the circuit board. 11. A light-emitting diode light bulb, which can be coupled with a light bulb socket connected to a power supply, and is characterized in that it includes: a body, a drive circuit unit, a light-emitting unit and a metal electrical connector; the body includes mutual A coupled left shell and a right shell, the left shell and the right shell can be coupled to each other to form a body with an accommodating space inside, the body at least includes a connecting portion and a circuit cavity, the connecting portion There is a second opening through and an opening at the top of the connecting part; the metal electrical connector can be sleeved on the connecting part to be combined into a lamp cap that can be coupled with the bulb holder, and the metal electrical connector There is a third electrode and a fourth electrode, an insulator is arranged between the third electrode and the fourth electrode, and the insulator insulates the third electrode and the fourth electrode from each other; the driving circuit unit is arranged in the circuit cavity , the driving circuit unit has a driving circuit, a first electrode and a second electrode, the first electrode can be electrically connected to the third electrode through the second opening, and the second electrode can be connected to the first electrode through the opening The four electrodes are electrically connected, and the light emitting unit is electrically connected with the driving circuit. 12 . The light-emitting diode bulb as claimed in claim 11 , comprising an independent light-transmitting lampshade coupled to one end of the circuit chamber of the main body. 13 . 13. The light-emitting diode light bulb as claimed in claim 11, wherein the body comprises a light-transmitting lampshade, the light-transmitting lampshade is a two-piece coupling type, comprising a left lampshade integrally arranged on the left housing, And a right lampshade integrally arranged on the right housing. 14. The light-emitting diode light bulb according to claim 11, wherein the body comprises a light-transmitting lampshade, the left housing comprises the connecting part and the circuit cavity which are integrated together completely and integrally, the transparent The light lampshade is a two-piece coupling type, including a left lampshade integrally arranged on the left housing and connected with the circuit chamber, and an independent right lampshade, which can be connected with the left lampshade and the circuit chamber of the left housing. combination. 15. The light-emitting diode light bulb according to claim 11, wherein the driving circuit, the first electrode and the second electrode are arranged on a circuit board, and the circuit board can be fixed in the container of the body. The placement space or the inside of the circuit cavity of the body. 16. The light-emitting diode light bulb according to claim 15, wherein the circuit board is fixed inside the circuit cavity, the first electrode and the second electrode are arranged on the side of the circuit board, the The first electrode can be electrically connected to the third electrode through the opening, and the second electrode can be electrically connected to the fourth electrode through the second opening. 17. The light-emitting diode light bulb according to claim 15, wherein the light-emitting unit comprises a plurality of light-emitting diodes electrically connected to the driving circuit unit, and the light-emitting diodes are mounted on the circuit board A first side of the front portion and an opposite second side thereof. 18. The light-emitting diode bulb as claimed in claim 11, wherein one or both of the left housing and the right housing has at least one reinforcing rib on the inner surface, and the reinforcing rib is located on the main body in the circuit cavity and extend along the axial direction of the bulb. 19. The light-emitting diode light bulb according to claim 18, wherein the driving circuit, the first electrode and the second electrode are arranged on a circuit board, and the circuit board can be fixed in the housing of the body Space or the inside of the circuit cavity of the main body. A carrier plate is provided in the circuit cavity of the body to carry and install the circuit board. A Mount the bonding clearance of the board.