CN204254319U - light emitting device - Google Patents

Abstract

A light-emitting device includes a light source socket, a conductive element, and a light-emitting element. The light source socket has a slot. The conductive element is disposed in the light source socket, and has a conductive end, which protrudes from a side wall of the slot. The light-emitting element is inserted into the slot. During the insertion of the light-emitting element into the slot, the light-emitting element pushes the conductive end to cause the conductive end to deform elastically, and the conductive end abuts against the light-emitting element. The utility model can not only simplify the assembly of the light-emitting device, but also eliminate the need for a large-volume metal heat sink, thereby saving manufacturing costs.

Description

light emitting device

technical field

The utility model mainly relates to a light emitting device, especially a light bulb.

Background technique

Light-emitting diodes have gradually replaced traditional incandescent bulbs as light sources in recent years due to their long life and low power consumption. However, in order to match the existing lamps, the light source with LEDs is also designed in the form of a traditional light bulb.

However, the known light-emitting diode bulbs are not easy to assemble, the production cost is high, and it is difficult to popularize in large quantities. Therefore, there are still many challenges in how to simplify the assembly and reduce the manufacturing cost.

Utility model content

The purpose of the utility model is to provide a light emitting device, which can be assembled in a simplified manner and can further save manufacturing cost.

The utility model provides a light emitting device, which comprises a light source socket, a conductive element and a light emitting element. The light source socket has a slot. The conductive element is arranged in the light source socket, wherein the conductive element has a first conductive end, and the first conductive end protrudes from a first side wall of the slot. The light emitting element includes a circuit board and a light emitting unit. The circuit board is used to be inserted into the slot and has a conductive contact. The light emitting unit is arranged on the circuit board. When the circuit board is inserted into the slot, the circuit board pushes the first conductive end to elastically deform the first conductive end, and make the first conductive end abut against the conductive contact.

In an embodiment of the light emitting device of the present invention, the circuit board is a transparent circuit board.

In an embodiment of the light emitting device of the present invention, the circuit board is a glass substrate, a metal substrate or a ceramic substrate.

In one embodiment of the light-emitting device described in the present invention, the glass substrate is an aluminum oxide glass substrate, the metal substrate is an aluminum oxide substrate or a copper-clad aluminum substrate, and the ceramic substrate is an aluminum oxide Two aluminum ceramic substrates.

In an embodiment of the light emitting device of the present invention, the slot has a second sidewall facing the first sidewall, and the first conductive end is spaced apart from the second sidewall.

In an embodiment of the light emitting device of the present invention, the slot has a second side wall facing the first side wall, when the circuit board is inserted into the slot, the circuit board leans against The second sidewall is spaced apart from the first sidewall.

In an embodiment of the light-emitting device described in the present invention, the first conductive end is a plate-shaped structure, an arc-shaped structure, a bent structure, or a V-shaped structure.

In an embodiment of the light emitting device of the present invention, the conductive element has a connecting portion connected to the first conductive end, the connecting portion is embedded in the light source socket and is substantially perpendicular to the circuit board.

In an embodiment of the light emitting device of the present invention, it further includes a conductive joint and a base, the base is disposed on the conductive joint, wherein the light source socket is disposed on the base.

In an embodiment of the light-emitting device of the present invention, it further includes a cover, the cover is arranged on the conductive joint and covers the light-emitting element.

In an embodiment of the light emitting device of the present invention, the light source socket includes a fastening portion, and the base includes a through hole, when the light source socket is combined with the base, the fastening portion passes through the Holes are punched to fix the light source socket to the base.

In an embodiment of the light-emitting device described in the present invention, the conductive element further includes a second conductive end disposed on the light source socket, the fastening portion has a through groove, wherein the through hole is used for a wire to pass through pass through the base, and the slot is used for the wire to pass through to connect to the second conductive end.

In one embodiment of the light emitting device of the present invention, the light source socket includes a fastening portion, and the base includes a fastening hole and a through hole, when the light source socket is combined on the base, the buckle The fastening portion is fastened to the fastening hole to fix the light source socket on the base, wherein the through hole is used for a wire to pass through the base to be connected to the second conductive end.

In one embodiment of the light emitting device of the present invention, it further includes a locking element, wherein the light source socket further includes a locking hole, and the locking element passes through the through hole and the locking hole so that the light source The socket is locked on the base.

In an embodiment of the light emitting device of the present invention, the light source socket includes a fastening portion, and the base includes a receiving groove and a fixing portion disposed in the receiving groove, when the light source socket is combined When on the base, the fastening part is arranged on the fixing part to fix the light source socket on the base.

In an embodiment of the light emitting device of the present invention, the light emitting unit is a light emitting diode, and the light emitting device is a light bulb, and the light bulb is used to be inserted into a lamp.

To sum up, the light emitting device of the present invention can simplify the assembly of the light emitting device by combining the light emitting element with the light source socket in an inserting manner. In addition, since the circuit board with the light-emitting unit is inserted into the light source socket, a large-volume metal heat sink is not needed, thereby saving manufacturing cost.

Description of drawings

FIG. 1 is a perspective view of a light emitting device according to a first embodiment of the present invention.

Fig. 2 is an exploded view of the light emitting device of the first embodiment of the present invention.

Fig. 3 is a perspective view of the light source socket of the first embodiment of the present invention.

Fig. 4 is a top view of the light source socket of the first embodiment of the present invention.

Fig. 5 is a side view of the light emitting element of the present invention.

6A to 6C are schematic diagrams of the light emitting device of the present invention at an assembly stage.

7A to 7C are schematic diagrams of different embodiments of the conductive element 40 disposed on the light source socket of the present invention.

FIG. 8 is a top view of a sheet metal part of the first embodiment of the present invention.

FIG. 9 is an exploded view of the base and the light source socket of the first embodiment of the present invention.

Fig. 10 is a combination diagram of the base and the light source socket of the first embodiment of the present invention.

11A is an exploded view of the base and the light source socket of the second embodiment of the present invention.

FIG. 11B is a schematic diagram of the base and the light source socket of the second embodiment of the present invention.

12A is an exploded view of the base and the light source socket of the third embodiment of the present invention.

12B is a perspective view of the base and the light source socket of the third embodiment of the present invention.

Fig. 12C is a cross-sectional view of the base of the third embodiment of the present invention.

Among them, a brief description of the symbols in the drawings is as follows:

1～light-emitting device; 10～conductive connector; 11～thread; 12～connecting groove; 20～base; 21～accommodating groove; 211～side wall; 22～perforation; 23～limiting block; 241～fixing groove; 242～inner surface; 25～fastening hole; 30～light source socket; 31～top surface; 32～slot; 321～opening; 322～first side wall; 323～second side wall; 33 ～side wall; 34～bottom surface; 35～fastening part; 351～through groove; 36～wire groove; 37～limiting groove; 38～locking hole; 40～conductive element; 41～first conductive end; 42～ 2nd conductive end; 43~connecting part; 50~light emitting element; 51~circuit board; 511~conductive contact; 52~light emitting unit; 60~cover; A1~metal plate; A10~metal frame; A2~lock Component; d1～shortest distance; D1～plugging direction; W1, W2～width; W10～wire.

Detailed ways

FIG. 1 is a perspective view of a light emitting device 1 according to a first embodiment of the present invention. FIG. 2 is an exploded view of the light emitting device 1 according to the first embodiment of the present invention. The lighting device 1 can be a light bulb for inserting into a lamp (not shown).

The light emitting device 1 includes a conductive joint 10 , a base 20 , a light source socket 30 , a conductive element 40 , a plurality of light emitting elements 50 , and a cover 60 .

The conductive connector 10 can be a metal shell. The outer wall of the conductive joint 10 can have threads 11 for locking to a power socket of a lamp (not shown). The conductive joint 10 has a connection slot 12 .

The base 20 is disposed on the conductive joint 10 . The bottom of the base 20 is inserted into the connecting groove 12 of the conductive connector 10 . The base 20 can be made of insulating material, such as plastic. In some embodiments, heat conduction powder, such as carbon material, inorganic heat conduction particles, or metal particles, can be added to the insulating material. A top of the base 20 has a receiving groove 21 .

The light source socket 30 is disposed on the base 20 . The light source socket 30 can be made of insulating material, such as plastic. In some embodiments, heat conduction powder, such as carbon material, inorganic heat conduction particles, or metal particles, can be added to the insulating material. The conductive element 40 is disposed in the light source socket 30 , and the conductive element 40 is used to electrically connect the conductive connector 10 and the light emitting element 50 .

The light emitting element 50 is inserted into the light source socket 30 . The light emitting element 50 can be substantially perpendicular to the light source socket 30 . The light emitting element 50 is used as a light source for generating light. In this embodiment, as shown in Figures 1 and 2, the bottom of the light-emitting element 50 is adjacent to the edge of the top surface 31 of the light source socket 30, and the top of the light-emitting element 50 is adjacent to the top of the center of the top surface 31, so as to cooperate with the cover body 60 Shape, and can increase the beauty.

The cover 60 is disposed on the conductive joint 10 and covers the light source socket 30 and the light emitting element 50 . In other words, the light source socket 30 and the light emitting element 50 are located inside the cover body 60 . The cover body 60 can be made of transparent material, such as glass. The outer surface of the cover body 60 can be fixed to the side wall 211 of the accommodating groove 21 . The bottom of the cover 60 is located between the side wall 211 of the receiving groove 21 and the light source socket 30 . In this embodiment, the cover body 60 can be spaced apart from the light source socket 30 and the light emitting element 50 .

FIG. 3 is a perspective view of the light source socket 30 according to the first embodiment of the present invention. FIG. 4 is a top view of the light source socket 30 according to the first embodiment of the present invention. The light source socket 30 has a top surface 31 and a plurality of slots 32 . The slot 32 is formed on the top surface 31 . In this embodiment, the number of slots 32 is three. However, the number of the slots 32 is not limited, and the slots 32 may be one, two, or more than four.

As shown in FIGS. 3 and 4 , the slots 32 are radially arranged around the top surface 31 . In another embodiment, the slots 32 may be arranged along a circular path, and may extend along a tangent of the circular path. The opening 321 of the slot 32 can be narrow and long, and can extend toward the center of the top surface 31 . A first conductive end 41 of the conductive element 40 is located in the slot 32 and protrudes from a first sidewall 322 of the slot 32 . A second conductive end 42 of the conductive element 40 is exposed on the sidewall 33 of the light source socket 30 .

As shown in FIG. 4 , the first conductive end 41 and the second side wall 323 are spaced apart from each other. The second sidewall 323 faces and is opposite to the first sidewall 322 . In some embodiments, the shortest distance d1 between the first conductive end 41 and the second sidewall 323 is 0.3 to 0.9 times, or 0.5 to 0.8 times the width W1 of the slot 32 .

FIG. 5 is a side view of a light emitting element 50 of the present invention. As shown in FIG. 5 , the light emitting element 50 includes a circuit board 51 and a plurality of light emitting units 52 . The circuit board 51 is used to be inserted into the slot 32 of the light source socket 30 and has a plurality of conductive contacts 511 . In this embodiment, the circuit board 51 is an elongated structure and can extend substantially along an insertion direction D1. The conductive contacts 511 are located on the bottom of the circuit board 51 .

The light emitting unit 52 can be a light emitting diode for generating light. The light emitting unit 52 is disposed on the circuit board 51 . In this embodiment, the light emitting units 52 are generally arranged on the circuit board 51 along the insertion direction D1 and are electrically connected to the conductive contacts 511 .

In some embodiments, the circuit board 51 can be a transparent circuit board 51 . Therefore, the light generated by the light emitting unit 52 can penetrate the circuit board 51 , thereby increasing the overall brightness of the light emitting device 1 . In some embodiments, the circuit board 51 can be a glass substrate, a metal substrate or a ceramic substrate. In some embodiments, the above-mentioned glass substrate may be an aluminum oxide glass substrate, the above-mentioned metal substrate may be an aluminum oxide substrate or a copper-clad aluminum substrate, and the above-mentioned ceramic substrate may be an aluminum oxide ceramic substrate.

6A to 6C are schematic diagrams of the light emitting device 1 of the present invention at an assembly stage. As shown in FIGS. 6A and 6B , the light emitting element 50 moves into the slot 32 through the opening 321 along the insertion direction D1 . The slot 32 can extend along the insertion direction D1. The first conductive end 41 is a plate-shaped structure and is located in the slot 32 . The conductive element 40 has a connecting portion 43 connected to the first conductive end 41 , and the connecting portion 43 is embedded in the light source socket 30 .

The first conductive end 41 and the connecting portion 43 are substantially perpendicular to the circuit board 51 . In other words, the first conductive end 41 and the connecting portion 43 are substantially perpendicular to the insertion direction D1. The thickness W2 of the circuit board 51 is 0.3 to 0.9 times or 0.5 to 0.8 times the width W1 of the slot 32 , and the thickness W2 of the circuit board 51 is greater than the shortest distance d1 between the first conductive end 41 and the second sidewall 323 .

As shown in FIG. 6B and FIG. 6C, during the process of inserting the circuit board 51 into the slot 32, when the circuit board 51 contacts the first conductive end 41, the circuit board 51 continues to move along the insertion direction D1 and pushes The first conductive end 41 is used to elastically deform or bend the first conductive end 41 . The first conductive end 41 is elastically deformed or bent to form a rounded corner.

When the circuit board 51 is inserted into the insertion position as shown in FIG. 6C, the elastic force generated by the elastic deformation of the first conductive end 41 makes the first conductive end 41 abut against the conductive contact 511, so that the circuit board 51 abuts against the conductive contact 511. on the second side wall 323 . At this time, the circuit board 51 and the first side wall 322 may be spaced apart from each other. Therefore, the light-emitting element 50 can also be fixed to the light source socket 30 through the above-mentioned elastic force, and the light-emitting element 50 is not easy to be pulled out of the slot 32 of the light source socket 30 .

The assembly of the light emitting device 1 can be simplified by combining the light emitting element 50 with the light source socket 30 in an inserting manner. In addition, only the bottom of the circuit board 51 is plugged into the light source socket 30 to obtain a good heat dissipation effect, so there is no need to arrange a large-volume metal heat sink, thereby saving manufacturing costs.

7A to 7C are schematic diagrams of different embodiments of the conductive element 40 disposed on the light source socket 30 of the present invention. As shown in FIG. 7A , the first conductive end 41 is an arc-shaped structure, and the free end of the first conductive end 41 extends toward the first sidewall 322 and the bottom of the slot 32 . As shown in FIG. 7B , the first conductive end 41 is a bent structure. In this embodiment, the first conductive end 41 presents a right-angle bent structure, and the free end of the first conductive end 41 faces the bottom of the slot 32 . As shown in FIG. 7C , the first conductive end 41 has a V-shaped structure, and the free end of the first conductive end 41 extends toward the first sidewall 322 and the bottom of the slot 32 . Through the above-mentioned structure of the first conductive end 41 , the first conductive end 41 can be more tightly contacted with the circuit board 51 .

FIG. 8 is a top view of a sheet metal part A1 of the first embodiment of the present invention. The conductive element 40 can be formed by a metal plate A1 through stamping and other processes. The metal plate A1 includes a plurality of conductive elements 40 and a metal frame A10 . The conductive element 40 is connected to the metal frame A10. In this embodiment, the light source socket 30 can be formed on the conductive element 40 on the metal plate by injection molding.

Afterwards, the conductive element 40 is separated from the metal frame A10 by cutting or the like, so that the conductive element 40 can be accurately embedded in the light source socket 30 . Finally, the second conductive end 42 is bent to match the side wall 211 of the light source socket 30 . Therefore, the manufacturing method of the light emitting device 1 can simplify the process of assembling the conductive element 40 in the light source socket 30 .

FIG. 9 is an exploded view of the base 20 and the light source socket 30 of the first embodiment of the present invention. FIG. 10 is a combination diagram of the base 20 and the light source socket 30 of the first embodiment of the present invention. The light source socket 30 has a bottom surface 34 , a fastening portion 35 , a plurality of wire grooves 36 and a plurality of limiting grooves 37 . The bottom surface 34 is opposite the top surface 31 . Slot 32 may pass through bottom surface 34 .

The engaging portion 35 is disposed on the bottom surface 34 . In this embodiment, the buckling portion 35 is a hook-like structure located at the center of the bottom surface 34 . The fastening portion 35 has a slot 351 for accommodating a wire W10 connected to the second conductive end 42 (as shown in FIG. 10 ). The other end of the wire W10 can be connected to the conductive joint 10 (as shown in FIG. 2 ). The wire groove 36 is formed on the bottom surface 34 . Two ends of the wire groove 36 are adjacent to the through groove 351 of the fastening portion 35 and the second conductive end 42 . The wire groove 36 is used for accommodating the wire W10 connected to the second conductive end 42 .

The bottom of the base 20 has a through hole 22 . The through hole 22 is connected to the receiving groove 21 (as shown in FIG. 2 ). In this embodiment, the through hole 22 is located at the center of the bottom of the base 20 and corresponds to the engaging portion 35 . As shown in FIGS. 9 and 10 , when the light source socket 30 is combined with the base 20 , the fastening portion 35 passes through the through hole 22 and is fastened to the bottom of the base 20 to fix the light source socket 30 to the base 20 . The wire W10 can pass through the base 20 through the through hole 22 and be connected to the second conductive end 42 through the slot 351 and the wire groove 36 .

The limiting groove 37 is formed on the bottom surface 34 . In this embodiment, the limiting slot 37 is connected to the slot 32 . The base 20 also includes a plurality of limiting blocks 23 (as shown in FIG. 2 ), located at the bottom of the accommodating groove 21 . When the light source socket 30 is combined with the base 20 , the limiting block 23 is located in the limiting groove 37 to prevent the light source socket 30 from rotating relative to the base 20 .

Through the above-mentioned fastening structure between the base 20 and the light source socket 30, the light source socket 30 can be easily assembled on the base 20, and in addition, the wire W10 can be well connected to the second conductive end 42 and the conductive connector 10. .

FIG. 11A is an exploded view of the base 20 and the light source socket 30 of the second embodiment of the present invention. FIG. 11B is a schematic diagram of the base 20 and the light source socket 30 of the second embodiment of the present invention. In this embodiment, the light source socket 30 has four slots 32 . As shown in FIG. 11B , the top surface 31 of the light source socket 30 can be a curved surface or a concave surface, and the side of the slot 32 close to the center of the light source socket 30 can be inclined. Therefore, the light-emitting element 50 (as shown in FIG. 5 ) can be inserted into the slot 32 obliquely, so that the top of the light-emitting element 50 is adjacent to the upper part toward the center of the light source socket 30 .

In this embodiment, the light source socket 30 includes a plurality of fastening portions 35 and a locking hole 38 . The fastening portion 35 is disposed on the bottom surface 34 and is close to an edge of the bottom surface 34 . The locking hole 38 can be formed in the center of the bottom surface 34 . The base 20 further includes a plurality of fastening holes 25 formed at the bottom of the receiving groove 21 and adjacent to the through hole 22 .

When the light source socket 30 is assembled on the base 20 , the fastening portion 35 is fastened to the fastening hole 25 so as to fix the light source socket 30 to the base 20 . The locking element A2 , such as a screw, can pass through the through hole 22 and the locking hole 38 to lock the light source socket 30 to the base 20 . At this time, the aforementioned wires can pass through the base 20 through the through hole 22 and one side of the locking element A2 to be connected to the second conductive terminal 42 .

FIG. 12A is an exploded view of the base 20 and the light source socket 30 of the third embodiment of the present invention. 12B is a perspective view of the base 20 and the light source socket 30 of the third embodiment of the present invention. FIG. 12C is a cross-sectional view of the base 20 of the third embodiment of the present invention.

In this embodiment, the engaging portion 35 is disposed on the side wall 211 of the light source socket 30 . The base 20 has a fixing portion 24 . The fixing portion 24 is disposed on the sidewall 211 of the receiving groove 21 . In this embodiment, the fixing portion 24 is an annular structure, matching the side wall 33 of the light source socket 30 . The fixing portion 24 can extend along the insertion direction D1. A top end of the fixing portion 24 defines a plurality of fixing slots 241 .

When the light source socket 30 is assembled on the base 20, the fastening portion 35 engages in the fixing groove 241 of the fixing portion 24, and the side wall 33 of the light source socket 30 contacts the inner surface 242 of the fixing portion 24, thereby fixing the light source socket 30 on the base 20. When the light source socket 30 is combined with the base 20 , the aforementioned wires can be directly connected to the second conductive end 42 on the light source socket 30 through the through hole 22 of the base 20 .

The above disclosed technical features can be combined, modified, substituted or diverted with one or more disclosed embodiments in any appropriate manner, and are not limited to specific embodiments.

To sum up, the light emitting device of the present invention can simplify the assembly of the light emitting device by combining the light emitting element with the light source socket in an inserting manner. In addition, since the circuit board with the light emitting unit is inserted into the light source socket, there is no need for a large-volume metal heat sink, thereby saving manufacturing costs.

The above description is only a preferred embodiment of the present utility model, but it is not intended to limit the scope of the present utility model, any person familiar with this technology, without departing from the spirit and scope of the utility model, can Further improvements and changes are made, so the protection scope of the present utility model should be determined by the scope defined in the claims of the present application.

Claims (16)

1. a light-emitting device, is characterized in that, comprising:

One light source socket, has a slot;

One conducting element, is arranged in this light source socket, and wherein this conducting element has one first conducting end, and this first conducting end protrudes from a first side wall of this slot; And

One light-emitting component, this light-emitting component comprises:

One circuit board, in order to be inserted in this slot, and has a conductive junction point; And

One luminescence unit, is arranged at this circuit board;

Wherein be inserted in the process of this slot in this circuit board, this circuit board is pushed this first conducting end and is produced elastic deformation to make this first conducting end, and makes this first conducting end be connected to this conductive junction point.

2. light-emitting device according to claim 1, is characterized in that, this circuit board is a transparent circuit board.

3. light-emitting device according to claim 1, is characterized in that, this circuit board is a glass substrate, a metal substrate or a ceramic substrate.

4. light-emitting device according to claim 3, is characterized in that, this glass substrate is an alundum (Al2O3) glass substrate, this metal substrate is that an aluminum oxidation substrate or covers copper aluminium base, and this ceramic substrate is an aluminum oxide ceramic substrate.

5. light-emitting device according to claim 1, is characterized in that, this slot has one second sidewall towards this first side wall, this first conducting end and this second sidewall spaced.

6. light-emitting device according to claim 1, is characterized in that, this slot has one second sidewall towards this first side wall, and when this circuit board is inserted in this slot, this circuit board is resisted against this second sidewall, and spaced with this first side wall.

7. light-emitting device according to claim 1, is characterized in that, this first conducting end is a platy structure, an arcuate structure, a bending structure or a V-structure.

8. light-emitting device according to claim 1, is characterized in that, this conducting element has a junction being connected to this first conducting end, and this connecting portion is embedded in this light source socket, and is approximately perpendicular to this circuit board.

9. light-emitting device according to claim 1, is characterized in that, also comprises:

One conductive contact; And

One pedestal, is arranged at this conductive contact;

Wherein this light source socket is arranged at this pedestal.

10. light-emitting device according to claim 9, is characterized in that, also comprises a cover body, and this cover body is arranged at this conductive contact, and this light-emitting component coated.

11. light-emitting devices according to claim 9, it is characterized in that, this light source socket comprises a buckling parts, and this pedestal comprise a perforation, and when this light source socket is combined in this pedestal, this buckling parts passes this perforation so that this light source socket is fixed on this pedestal.

12. light-emitting devices according to claim 9, it is characterized in that, this conducting element also comprises one second conducting end being arranged at this light source socket, this buckling parts has wears groove, wherein this perforation with for a wire through this pedestal, and this wear groove with for this wire through to be connected to this second conducting end.

13. light-emitting devices according to claim 9, it is characterized in that, this light source socket comprises a buckling parts, and this pedestal comprises a fastening hole and a perforation, when this light source socket is combined in this pedestal, this buckling parts is fastened on this fastening hole so that this light source socket is fixed on this pedestal, and wherein this perforation passes this pedestal to be connected to this second conducting end with for a wire.

14. light-emitting devices according to claim 13, is characterized in that, also comprise a lock member, and wherein this light source socket also comprises a locking hole, this lock member via this perforation and this locking hole, so that this light source socket is locked in this pedestal.

15. light-emitting devices according to claim 9, it is characterized in that, this light source socket comprises a buckling parts, and this pedestal comprises a storage tank and the fixed part being arranged at this storage tank, when this light source socket is combined in this pedestal, this buckling parts is arranged at this fixed part so that this light source socket is fixed on this pedestal.

16. light-emitting devices according to claim 1, is characterized in that, this luminescence unit is light emitting diode, and this light-emitting device is a bulb, and this bulb is in order to be inserted in a light fixture.