CN202165839U

CN202165839U - Light-emitting diode bulb with light transmitting cover combination structure

Info

Publication number: CN202165839U
Application number: CN201120152724XU
Authority: CN
Inventors: 庄胜义
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-10
Filing date: 2011-05-10
Publication date: 2012-03-14
Anticipated expiration: 2021-05-10

Abstract

The utility model provides a light-emitting diode bulb with a light transmitting cover combination structure, which comprises an electricity connection base, a power conversion board, at least one light source substrate electrically connected to the power conversion board, a heat dissipation body and a light transmitting cover forming a space to contain the light source substrate. The heat dissipation body is provided with an installing space for containing the power conversion board and further provided with an embedding groove which is provided with a first installing part. The light transmitting cover comprises a ball body and a neck part embedded in the embedding groove, the ball body and the neck part comprise an inner wall face which forms a space by surrounding and an outer wall face relative to the other side of the inner wall face, the space is used for containing the light source substrate, and the neck part is provided with a cover body longitudinal limit part located on the outer wall face, correspondingly connected to the first installation part and used for being mutually meshed for location. The neck part is further provided with at least one cover body transverse limit part, and at least one second installing part correspondingly meshed with the cover body transverse limit part is arranged in the embedding groove and used for limit relative rotation between the light transmitting cover and the heat dissipation body.

Description

Light emitting diode bulb with diffuser integrated structure

Technical field

The utility model relates to a kind of light emitting diode bulb with diffuser integrated structure, relates in particular to a kind of package assembly of utilizing improvement to combine the technology of diffuser and radiator.

Background technology

Long service life, power consumption are low because light emitting diode (LED) has, high brightness and material be than the multiple advantage of environmental protection; Along with the progress of light emitting diode processing procedure and the decline of cost; Except use the sign on traffic lights or the electrical equipment with cresset, also further be used on environmental decoration, the lighting lamp.Along with led lamp is constantly expanded its use field, need to accept the safety detection of various officials, international qualification organization certainly, and must just can be allowed to sell through those safety detection in the locality.Those safety detection have comprised at least and have applied the test of high-tension Insulation test and high temperature ageing; Wherein Insulation test is to apply high voltage at diverse location; Whether insulation system and the internal electronic element of judging this bulb can be by high electrical breakdowns, and need possess extremely good insulating capacity just can be through the insulation test.High temperature ageing test then utilizes bulb was placed in 90 ℃ of the highest temperatures to the subzero 25 ℃ environment of low temperature tens of days, changes simultaneously at bearing temperature, can apply a torsion through a machinery and on this bulb, (for example rotate the torsion of this lamp housing).Key through this test is whether joint is firm between each resolution element of bulb, because general lamp housing all is to utilize viscose glue to adhere on insulating base frame or the heat radiation pedestal usually.Though it is a variety of that the selection of viscose glue has, the good common adhesion strength of viscose glue of hear resistance a little less than, then temperature capacity is not enough for the strong viscose glue of adhesion strength, most of viscose glue can't have outstanding adhesion strength and temperature capacity concurrently.And probe temperature constantly changes, constantly applies torsion between 90 ℃ to subzero 25 ℃ in tens of day, is quite harsh test as far as the overwhelming majority's viscose glue.

Known light-emitting diodes bulb technologies is found in TaiWan, China patent certificate M379021 number " light emitting diode bulb "; Should a kind of light emitting diode bulb be provided preceding case, and comprise a crown top of burner, a lamp housing, and be contained in this lamp housing interior LED driving circuit plate, a carriage heat sink, be positioned at light emitting diode and the collar and cloche on this carriage heat sink.Narrated in its specification: " ... and with on the spherical glass cover corresponding to the ring-type neck of the ring body inner peripheral of the collar; be fixed in the dentation wing of the ring body inner peripheral of the collar with the silica gel adhesion ... " hence one can see that, the described cloche of this preceding case is to utilize silica gel to be adhered on this collar.

The visible TaiWan, China patent of another prior art disclose " spherical LED light lamp and manufacturing approach thereof " No. 201020465, and this preceding case provides the neck that a pedestal is inserted a spheroid before pedestal to be coated in the expanded foamed adhesive tape., this expanded foamed adhesive tape can reach location and the effect of strengthening heat radiation after expanding.Yet, though should before case list many foaming bodies possibly implement material, whether those materials can still can not be known through harsh high temperature test.

Because the edge of glass lamp shade is comparatively level and smooth; Be still with viscose glue with known technology and be adhered on lamp socket or the radiating seat; But simple adhesion probably is difficult to through high temperature test; Though improved chance and the sticker that utilizes multilayer, many materials fixes lampshade, improved manufacturing cost through safety test.

The utility model content

Because light emitting diode bulb has been faced harsh safety test, and the mode of utilizing the simple and easy joint of colloid possibly cause the bulb element to get loose, disintegrate under high temperature test.Therefore the utility model provides a kind of structure that is assembled of light emitting diode bulb, and its purpose is to replace the technology that known technology engages with sticker, does not wear out, disintegrates because of long high temperature test to guarantee this light emitting diode bulb.

The utility model provides a kind of light emitting diode bulb with diffuser integrated structure, and this light emitting diode comprises that the light source substrate of a power connection seat, an electric power change-over panel, this electric power change-over panel of at least one electric connection, a radiator and form the diffuser that a space holds this light source substrate.Wherein this electric power change-over panel and this power connection seat electrically connect to provide one to light a lamp electric power to this light source substrate.This radiator have one be installed with this electric power change-over panel the installing space, this radiator also has a caulking groove, a wall of this caulking groove is provided with one first installing department.This diffuser comprises a spheroid and and is embedded in the neck in this caulking groove from this spheroid extension; This spheroid and this neck then comprise around going out the internal face that a space holds this light source substrate; And with respect to this internal face outside wall surface of side in addition; This neck has a corresponding cover body longitudinal spacing portion that engages this first installing department and snap-in location each other on outside wall surface, to limit moving relative to vertical direction between this diffuser and this radiator.This neck also has at least one cover body cross spacing portion, has at least one second installing department with this corresponding interlock of cover body cross spacing portion in this caulking groove to limit relatively rotating between this diffuser and this radiator.

The described light emitting diode bulb with diffuser integrated structure of the utility model, wherein, this cover body longitudinal spacing portion is corresponding protrusion and sunk surface with this first installing department.

The described light emitting diode bulb of the utility model with diffuser integrated structure, wherein, this cover body longitudinal spacing portion is around this neck periphery, this first installing department then to should cover body longitudinal spacing portion be surrounded in this caulking groove.

The described light emitting diode bulb of the utility model with diffuser integrated structure, wherein, this cover body cross spacing portion is a projection that extends from this diffuser outside wall surface, this second installing department is to breach that should projection on this caulking groove.

The described light emitting diode bulb of the utility model with diffuser integrated structure; Wherein, This neck has the plural a plurality of cover body cross spacing portion of being extended different length by this outside wall surface, and plural a plurality of second installing departments of this caulking groove have the degree of depth of corresponding those said cover body cross spacing portions.

Further; This light emitting diode bulb also comprises the assembling seat of being located in this installing space; One end of this assembling seat has a joint portion and combines with this power connection seat; This assembling seat also has the circuit accommodation space that an insulation wall district is separated out ccontaining this electric power change-over panel, and this assembling seat also has a pedestal longitudinal spacing portion, and this radiator also is provided with one the 3rd installing department of this pedestal longitudinal spacing portion of corresponding interlock to limit the displacement of vertical direction relatively between this assembling seat and this radiator.This assembling seat also is provided with at least one pedestal cross spacing portion, this radiator be provided with at least one the 4th installing department of this corresponding interlock of pedestal cross spacing portion to limit relatively rotating between this assembling and this radiator.

The described light emitting diode bulb with diffuser integrated structure of the utility model, wherein, this assembling seat also has one and fits in this radiator lower edge to seal the shielding portion of this installing space lower ending opening.

The described light emitting diode bulb of the utility model with diffuser integrated structure; Wherein, This light emitting diode bulb comprises that also one is arranged in the slider in this installing space; This slider comprises a dividing wall and between this electric power change-over panel and radiator makes the electric power change-over panel be able to the wire hole that outlet connects light source substrate, wherein urgent combination of insulation wall of this dividing wall and this assembling.

The described light emitting diode bulb of the utility model with diffuser integrated structure, wherein, this light source substrate has the cable hole that communicates with this installing space, and this cable hole supplies at least one electrical lead to pass and electrically connects with this light source substrate.

The described light emitting diode bulb with diffuser integrated structure of the utility model, wherein, this slider is established a protuberance in this wire hole periphery, and this protuberance is embedded in the cable hole of this light source substrate.

The described light emitting diode bulb with diffuser integrated structure of the utility model, wherein, this light source substrate is the aluminium base that has comprised a plurality of conductive path.

The described light emitting diode bulb of the utility model with diffuser integrated structure, wherein, this radiator has a plurality of radiating fins of stacked arrangement, and said radiating fin has a plurality of through holes that connect at least one gas channel of formation.

The described light emitting diode bulb with diffuser integrated structure of the utility model, wherein, this electric power change-over panel is the switched-mode power supply circuit.

In sum, through above-mentioned technological means, cover body longitudinal spacing portion, cover body cross spacing portion on this diffuser outside wall surface capable of using firmly combine with this radiator.Because this diffuser utilizes the location structure of outside wall surface; Make this diffuser can use plastic cement material production; And diffuser can form bigger cambered surface, and forming a virtual ball surface with a virtual center of circle is benchmark, and the cambered surface of this diffuser spheroid can comprise the ball surface more than 75% at least; Reach than the wide-angle transparency range, can improve illuminance.

Description of drawings

Fig. 1-1 is the exploded view of the utility model light emitting diode bulb;

Fig. 1-2 is the partial enlarged drawing of Fig. 1-1;

Fig. 2 is that this diffuser combines sketch map with this radiator;

Fig. 3-1 is the profile of this light emitting diode bulb;

Fig. 3-2 is the partial enlarged drawing of Fig. 3-1;

Fig. 4 is the upward view of this radiator;

Fig. 5 is another embodiment sketch map of this light emitting diode bulb.

The specific embodiment

The utility model provides a kind of light emitting diode bulb with diffuser integrated structure, the technology contents of description of drawings the utility model shown in below will cooperating.See also Fig. 1-1, Fig. 1-2, Fig. 2, Fig. 3-1,3-2 and Fig. 4; Accompanying drawing shown in those is first embodiment of this case, the bulb that this first embodiment is provided comprise a diffuser 5 and a power connection seat 6, be installed in radiator 4 and assembling seat 2 between this diffuser 5 and the power connection seat 6, at least one be contained in light source substrate 40 in this diffuser 5, and one electrically connect this light source substrate 40 and power connection seat 6 electric power change-over panel 3.Preferable, this electric power change-over panel 3 is the switched-mode power supply circuit.Have in this radiator 4 one be installed with this electric power change-over panel 3 installing space 41.Wherein, have a plurality of light emitting diodes 401 on this light source substrate 40.This light source substrate 40 can be the aluminium base that has comprised a plurality of conductive path, and in the prior art, Copper Foil capable of using, heat-conducting insulation material and aluminium sheet pile up and form an aluminium base.Copper Foil is coated among heat-conducting insulation material, the aluminium sheet through after being etched into circuit; Formation has comprised the light source substrate 40 of conductive path; Because aluminium base is present known technology; Though the technology of aluminium base is quoted in this case, the technological emphasis of the manufacturing technology of aluminium base and thin non-this case of portion's structure is so repeat no more.In order to provide the better light source substrate of effect 40 locate modes, the radiator 4 of this case have around one combine wall 410, this combination wall 410 around go out one be used to combine this light source substrate 40 the zone.And these light source substrate 40 peripheries have a binding face 400; Get into the means of aforementioned this combination wall 410 through pushing this light source substrate 40 around the zone that goes out; Make this binding face 400 corresponding combine wall 410 urgent joints with this, and this light source substrate 40 is fixed on this radiator 4.More specifically; The external diameter of these light source substrate 40 periphery binding faces 400 is not less than the internal diameter of this combination wall 410; Therefore through the application of force light source substrate 40 is squeezed into this combination wall 410, these combination wall 410 elasticity slightly and hardness own will make this combination wall 410 packing binding faces 400.And this radiator 4 also is provided with this in these light source substrate 40 belows and combines wall 410 to have the support portion 412 of difference in thickness to support this light source substrate 40.Can make this light source substrate 40 fit tightly this radiator 4 the light source substrate 40 urgent technology that are incorporated on this radiator 4 through aforementioned, reach good heat-conducting effect.And when this light source substrate 40 temperature rose, urgent this light source substrate 40 that suppresses through this combinations wall 410 is out of shape, and was unaffected to guarantee radiating effect.

And this diffuser 5 of the utility model and the integrated structure between this radiator 4; This radiator 4 outside this combination wall 410, be provided with one be used for fixing this diffuser 5 caulking groove 44; And this diffuser 5 comprises a spheroid 51 and and extends from this spheroid 51 and be embedded in the neck 50 in this caulking groove 44, and this spheroid 51 centers on a space and holds this light source substrate 40.And this spheroid 51 and neck 50 are divided into around going out the internal face that a space holds this light source substrate 40, and with respect to this internal face outside wall surface of side in addition.Walls in this caulking groove 44 are provided with one first installing department 441, and this neck 50 is in having a cover body longitudinal spacing portion 501 with these first installing department, 441 corresponding interlocks on the outside wall surface to limit the displacement of relative vertical direction between this diffuser 5 and this radiator 4.In the concrete embodiment; This cover body longitudinal spacing portion 501 is a bulge loop of this neck 50 of lateral circular; And this first installing department 441 is the groove of corresponding this bulge loop of interlock, through the corresponding interlock of this bulge loop, groove, and then limits this diffuser 5 and vertically moves and be separated from radiator 4.And, rotating in this caulking groove 44 for fear of this diffuser 5, the neck 50 of this diffuser 5 also has at least one cover body cross spacing portion 502, has at least one second installing department 442 with these cover body cross spacing portion 502 corresponding interlocks in this caulking groove 44.More specifically, this cover body cross spacing portion 502 is a projection, and this second installing department 442 promptly limits relatively rotating between this diffuser 5 and this radiator 4 for cooperating the breach (shown in Fig. 1-1, Fig. 1-2) of this projection shape after this projection embeds this breach.Thus, the cover body longitudinal spacing portion 501 of this diffuser 5, cover body cross spacing portion 502 can limit this diffuser 5 vertical, horizontal moving respectively with after this first installing department 441, second installing department 442 combine, and very firm is positioned in this caulking groove 44.Further, this diffuser 5 can select to be provided with a plurality of cover body cross spacing portion 502, and makes said cover body cross spacing portion 502 extend different length by this outside wall surface.A plurality of second installing departments 442 of this caulking groove 44 have the different degree of depth of corresponding said cover body cross spacing portion 502; Make that length, the corresponding cover body cross spacing of degree of depth portion 502, second installing department 442 just can corresponding interlocks, reach firm, the fixing effect in assembling orientation.

In order to make this bulb can be through safety test, this assembling seat 2 comprise one around insulation wall 21 be separated out circuit accommodation space 7, a shielding portion 23 and a joint portion 22 of ccontaining this electric power change-over panel 3 with the district.Wherein this insulation wall 21 is between this electric power change-over panel 3 and this radiator 4, and this shielding portion 23 fits in this radiator 4 lower edges, to seal the lower ending opening in this installing space 41.Like Fig. 1-1, shown in Figure 4; This assembling seat 2 is in order to combine closely with this radiator 4; This assembling seat 2 is provided with a pedestal longitudinal spacing portion 211, and this radiator 4 also is provided with one the 3rd installing department 413 of this pedestal longitudinal spacing portion 211 of corresponding interlock to limit moving relative to vertical direction between this assembling seat 2 and this radiator 4.Same, a bulge loop of assembling seat 2 is somebody's turn to do for lateral circular in this pedestal longitudinal spacing portion 211, and the 3rd installing department 413 is the groove of corresponding this bulge loop of interlock.And this assembling seat 2 also is provided with at least one pedestal cross spacing portion 212, this radiator 4 be provided with at least one the 4th installing department 411 of these pedestal cross spacing portion 212 corresponding interlocks to limit relatively rotating between this assembling 2 and this radiator 4.Same, this assembling 2 can select to be provided with a plurality of pedestal cross spacing portion 212, and makes said pedestal cross spacing portion 212 extend different length.A plurality of the 4th installing departments 411 have the different degree of depth of corresponding said pedestal cross spacing portion 212, make that length, the corresponding pedestal cross spacing of degree of depth portion 212, the 4th installing department 411 just can corresponding interlocks, reach firm, the fixing effect in assembling orientation.

And; For reinforced insulation ability further to protect this electric power change-over panel 3; Selectable; This light emitting diode bulb also comprises a slider 1, and this slider 1 comprises one and is positioned between the dividing wall 10 and between this electric power change-over panel 3 and the radiator 4 and makes electric power change-over panel 3 be able to the wire hole 12 that outlet connects light source substrate 40 on this dividing wall 10.And for through safety test, this slider 1 is established a protuberance 13 in these wire hole 12 peripheries and is punctured to avoid high-tension electricity.In the embodiment shown in Fig. 1-1, the end of this dividing wall 10 has a fitting portion 11 and combines with this assembling seat 2 upper ends, make this dividing wall 10 around covering top, the side periphery of this electric power change-over panel 3, and seal the opening of this assembling 2 top.Through engaging of this assembling seat 2 and this slider 1, guaranteed that these electric power change-over panel 3 insulated districts are separated in this circuit accommodation space 7.

This light source substrate 40 has the cable hole 402 that communicates with this installing space 41.At least one electrical lead 30 that is connected in this electric power change-over panel 3 can pass wire hole 12 and the cable hole 402 on this light source substrate 40 on this dividing wall 10 and this electric power change-over panel 3 and said light emitting diode 401 are electrically connected.And this protuberance 13 can embed in this cable hole 402.

Through above-mentioned technology, can let installing electric power change-over panel 3 in this light emitting diode bulb, and through this slider 1, assembling 2 with these electric power change-over panel 3 insulation blockings in this circuit accommodation space 7.Further, have a gap between the dividing wall 10 of this slider 1 and this radiator 4 inner edges, can guarantee that the high-tension electricity test in the safety test can't damage this electric power change-over panel 3.

Also visible in Fig. 1-1 to Fig. 4; One joint portion 22 of this assembling seat 2 is positioned at outside this installing space 41; And this joint portion 22 mutually combines with a binding end 61 of this power connection seat 6; This power connection seat 6 is used to connect external power source, and electrically connects this electric power change-over panel 3 and this power connection seat 6 through at least one electrical lead 31, and will deliver to this electric power change-over panel 3 from the electric power that external power source connects.Different and can select multiple different power connection seats 6 forms for use according to bulb type or applied environment, the form of being quoted to Fig. 4 at Fig. 1-1 is the form of general family expenses bulb, but this power connection seat 6 is not limited to Fig. 1-1 to form shown in Figure 4.

Shown in Figure 5 is the profile of another embodiment of this bulb, and the difference of the embodiment of Fig. 5 and first embodiment is that owing to this slider 1 can be selected to install, so the embodiment of Fig. 5 is not for installing the example of this slider 1.The insulation wall 21 of visible this assembling seat 2 extends upward to joining with this light source substrate 40 in Fig. 5, and the electrical lead 30 of this electric power change-over panel 3 directly passes the opening and the cable hole 402 of these assembling seat 2 tops, and electrically connects with this light source substrate 40.Because this insulation wall 21 is still distinguished at a distance from this electric power change-over panel 3 and this radiator 4 fully, therefore still has the good insulation performance ability to pass through physical test.

Among first embodiment of earlier figures 1-1 to Fig. 4 and second embodiment shown in Figure 5, these radiator 4 outer rims all stacked arrangement a plurality of radiating fins 42, have the gap between the said radiating fin 42 and supply circulation of air.And said radiating fin 42 has a plurality of through holes 43, and a plurality of through holes 43 corresponding arrangements of a plurality of radiating fins 42 connect the gas channel that at least one confession air of these radiator 4 formation vertically passes through.Gap and said gas channel between the said radiating fin 42 can supply laterally, airflow longitudinally, and vast air contact area is provided, and reaches good radiating effect.

Through above-mentioned technological means, cover body longitudinal spacing portion 501, cover body cross spacing portion 502 on these diffuser 5 outside wall surface capable of using firmly combine with this radiator 4.Because this diffuser 5 utilizes the location structure of outside wall surface; Make this diffuser 5 can use plastic cement material production; And diffuser 5 can form bigger cambered surface, and forming a virtual ball surface with a virtual center of circle is benchmark, and the cambered surface of the spheroid 51 of this diffuser 5 can comprise the ball surface more than 75% at least; Reach than the wide-angle transparency range, can improve illuminance.

The above is merely the preferable possible embodiments of the utility model, and the protection domain of non-so limitation the utility model is so the equivalence techniques that all utilization the utility model are done variation all is contained in the protection domain of the utility model.

Claims

1. the light emitting diode bulb with diffuser integrated structure is characterized in that, comprising:

One power connection seat (6);

The one electric power change-over panel (3) that electrically connects with this power connection seat (6), this electric power change-over panel (3) electrically connects at least one light source substrate (40);

The radiator (4) of one this light source substrate of location (40), this radiator (4) have one be installed with this electric power change-over panel (3) installing space (41), this radiator (4) also has a caulking groove (44), the wall of this caulking groove (44) is provided with one first installing department (441);

One provide a space to hold this light source substrate (40) diffuser (5); This diffuser (5) comprises a spheroid (51) and and is embedded in the neck (50) in this caulking groove (44) from this spheroid (51) extension; This spheroid (51) is divided into around an internal face that goes out said space with this neck (50); And with respect to this internal face outside wall surface of side in addition, this neck (50) is in having a cover body longitudinal spacing portion (501) with the corresponding interlock of this first installing department (441) on the outside wall surface to limit moving relative to vertical direction between this diffuser (5) and this radiator (4).

2. the light emitting diode bulb with diffuser integrated structure as claimed in claim 1 is characterized in that, this cover body longitudinal spacing portion (501) is corresponding protrusion and sunk surface with this first installing department (441).

3. the light emitting diode bulb with diffuser integrated structure as claimed in claim 2; It is characterized in that; This cover body longitudinal spacing portion (501) is around this neck (50) periphery, this first installing department (441) then to should cover body longitudinal spacing portion (501) be surrounded in this caulking groove (44).

4. the light emitting diode bulb with diffuser integrated structure as claimed in claim 1; It is characterized in that; This neck (50) also has at least one cover body cross spacing portion (502), has at least one second installing department (442) with this corresponding interlock of cover body cross spacing portion (502) in this caulking groove (44) to limit relatively rotating between this diffuser (5) and this radiator (4).

5. the light emitting diode bulb with diffuser integrated structure as claimed in claim 4; It is characterized in that; This cover body cross spacing portion (502) is a projection that extends from this diffuser (5) outside wall surface, and this second installing department (442) be to breach that should projection on this caulking groove (44).

6. the light emitting diode bulb with diffuser integrated structure as claimed in claim 4; It is characterized in that; This neck (50) has a plurality of cover body cross spacing portions (502) of being extended different length by this outside wall surface, and a plurality of second installing departments (442) of this caulking groove (44) have the degree of depth of corresponding said cover body cross spacing portion (502).

7. the light emitting diode bulb with diffuser integrated structure as claimed in claim 1; It is characterized in that; This light emitting diode bulb also comprises the assembling seat of being located in this installing space (41) (2); One end of this assembling seat (2) has a joint portion (22) and combines with this power connection seat (6); This assembling seat (2) also has the circuit accommodation space (7) that an insulation wall (21) district is separated out ccontaining this electric power change-over panel (3); This assembling seat (2) also has a pedestal longitudinal spacing portion (211), and this radiator (4) also is provided with one the 3rd installing department (413) of this pedestal longitudinal spacing portion (211) of corresponding interlock with moving relative to vertical direction between this assembling seat (2) of restriction and this radiator (4).

8. the light emitting diode bulb with diffuser integrated structure as claimed in claim 7; It is characterized in that; This assembling seat (2) also is provided with at least one pedestal cross spacing portion (212), this radiator (4) be provided with at least one the 4th installing department (411) of this corresponding interlock of pedestal cross spacing portion (212) should assembling (2) with restriction and this radiator (4) between relatively rotating.

9. the light emitting diode bulb with diffuser integrated structure as claimed in claim 7 is characterized in that, this assembling seat (2) also has one and fits in the shielding portion (23) of this radiator (4) lower edge with this installing space (41) lower ending opening of sealing.

10. the light emitting diode bulb with diffuser integrated structure as claimed in claim 7; It is characterized in that; This light emitting diode bulb comprises that also one is arranged in the slider (1) in this installing space (41); This slider (1) comprises a dividing wall (10) and between this electric power change-over panel (3) and radiator (4) makes electric power change-over panel (3) be able to the wire hole (12) that outlet connects light source substrate (40), wherein urgent combination of insulation wall (21) of this dividing wall (10) and this assembling (2).

11. the light emitting diode bulb with diffuser integrated structure as claimed in claim 10; It is characterized in that; This light source substrate (40) has the cable hole (402) that communicates with this installing space (41), and this cable hole (402) supplies at least one electrical lead (30) to pass and electrically connect with this light source substrate (40).

12. the light emitting diode bulb with diffuser integrated structure as claimed in claim 11; It is characterized in that; This slider (10) is established a protuberance (13) in this wire hole (12) periphery, and this protuberance (13) is embedded in the cable hole (402) of this light source substrate (40).

13. the light emitting diode bulb with diffuser integrated structure as claimed in claim 1 is characterized in that, this light source substrate (40) is for having comprised the aluminium base of a plurality of conductive path.

14. the light emitting diode bulb with diffuser integrated structure as claimed in claim 1; It is characterized in that; This radiator (4) has a plurality of radiating fins (42) of stacked arrangement, and said radiating fin (42) has a plurality of through holes (43) that connect at least one gas channel of formation.

15. the light emitting diode bulb with diffuser integrated structure as claimed in claim 1 is characterized in that, this electric power change-over panel (3) is the switched-mode power supply circuit.