CN202327707U - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
- Publication number
- CN202327707U CN202327707U CN2011204311887U CN201120431188U CN202327707U CN 202327707 U CN202327707 U CN 202327707U CN 2011204311887 U CN2011204311887 U CN 2011204311887U CN 201120431188 U CN201120431188 U CN 201120431188U CN 202327707 U CN202327707 U CN 202327707U
- Authority
- CN
- China
- Prior art keywords
- light
- emitting device
- pedestal
- metal
- out part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical class C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 67
- 230000003287 optical effect Effects 0.000 claims description 48
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000005755 formation reaction Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Abstract
The utility model relates to a light-emitting device, which comprises at least one light-emitting component and a lamp, wherein the lamp comprises a base body, a metal-based circuit board and a power supply driving unit. The base body is provided with a first side and a second side which is opposite to the first side; the metal-based circuit board is arranged at the first side of the base body; the metal-based circuit board comprises a basal part and a plurality of extending parts which are bent to be shaped along the periphery of the basal part and are arranged at intervals; the basal part is provided with a plurality of perforations; the extending parts are buried in the base body; the light-emitting component is arranged on the basal part; the power supply driving unit comprises a circuit substrate; the first end part of the circuit substrate is provided with a plurality of convex cylinders; and the convex cylinders correspondingly penetrate through the perforations and are electrically connected with the metal-based circuit board.
Description
Technical field
The utility model relates to a kind of light-emitting device, and particularly a kind of production process is simple and easy, have great heat radiation effect and insulation, and uses the light-emitting device of light emitting diode as light emitting source.
Background technology
Light emitting diode (light emitting diode; LED) have that volume is little, long service life, advantage such as cracky, not mercurous and power saving not; Therefore little by little replace the status of sight fluorescent tube and incandescent lamp bulb, be widely used in lighting source and decorative light-source.
Cooperate and consult Fig. 1, be the cutaway view of existing light emitting diode bulb.This light emitting diode bulb comprises a pedestal 50, a circuit board 52, a plurality of light emitting diode 54, a conductive contact 56, a lampshade 58 and a power drives unit 59.This pedestal 50 is a hollow tube; The outside wall surface of this pedestal 50 is around being arranged with a plurality of fin 51; These a plurality of fin 51 can increase the area of dissipation of this pedestal 50 effectively, and the heat energy that produces when these a plurality of light emitting diodes 54 are lighted conducts in the outside air apace.This circuit board 52 is arranged at this pedestal 50, and is electrically connected with these power drives unit 59 formation through a plurality of leads 53.These a plurality of light emitting diodes 54 are arranged at this circuit board 52 and are electrically connected on this circuit board 52; This conductive contact 56 connects the side that this pedestal 50 is provided with this circuit board 52 on the contrary, and is electrically connected with these power drives unit 59 formation through two power lines 57.This lampshade 58 is arranged at the side that this pedestal 50 is provided with these a plurality of light emitting diodes 54, and makes these a plurality of light emitting diodes 54 between this lampshade 58 and this pedestal 50.
Yet; Because this power drives unit 59 must be electrically connected to form through these a plurality of leads 53 and power line 57 respectively with this circuit board 52 and this conductive contact 56; Thus, not only increase the degree of difficulty of production process and making, and make whole cost of manufacture increase.
Summary of the invention
Said in view of prior art, a purpose of the utility model is to provide a kind of light-emitting device, and the production process of this light-emitting device is simple and easy and can reduce cost of manufacture effectively, and has more in light weight and the good advantage that insulate.
For reaching above-mentioned purpose, the utility model provides a kind of light-emitting device, and it comprises:
At least one light-emitting component;
One light fixture comprises:
One plastic seat body has one first side and second side in contrast to this first side;
One metal-base circuit plate; Be arranged at this first side of this pedestal, this metal-base circuit plate comprises a base portion and a plurality of extension that is provided with by this base portion periphery bending forming and interval, and this base portion has a plurality of perforation; This extension is embedded in this pedestal, and this light-emitting component is arranged at this base portion;
One power drives unit comprises a circuit substrate, and a first end of this circuit substrate has a plurality of projections, and these a plurality of projections run through these a plurality of perforation accordingly and are electrically connected with this metal-base circuit plate formation.
Described light-emitting device wherein, more comprises a diffused component, is arranged at this first side of this pedestal and coats this light-emitting component.
Described light-emitting device, wherein, this diffused component comprises a plurality of buckles, these a plurality of buckles accordingly clip in a plurality of draw-in grooves of an internal face of this pedestal.
Described light-emitting device wherein, more comprises an optical lens, is arranged at this first side of this pedestal and coats this light-emitting component.
Described light-emitting device, wherein, this optical lens has an optical axis, and this optical lens comprises:
One body comprises:
One light in part comprises a bottom surface and a reflecting surface, and this bottom surface has a groove, and this reflecting surface is connected in the distance of this bottom surface and this reflecting surface and this optical axis along with increasing away from this bottom surface gradually, and this light-emitting component is arranged at this groove;
One first light out part is connected in this reflecting surface, and this first light out part has an end face, and this end face along with moving closer to this optical axis toward the direction of this bottom surface gradually near; And
One second light out part connects this end face and is positioned at this groove top.
Described light-emitting device, wherein, this end face comprises a plurality of staggered first exiting surfaces and second exiting surface, and this second exiting surface is perpendicular to this bottom surface, and this first exiting surface is parallel to the bottom surface, makes this first light out part stepped.
Described light-emitting device, wherein, this optical lens comprises a plurality of light in part and a light out part, and these a plurality of light in part connect this light out part and protrude towards the direction away from this light out part, and respectively this light in part has a depression, and this light-emitting component is arranged at this depression.
Described light-emitting device wherein, more comprises a fastener, and this fastener has a plurality of trips, and these a plurality of trips are sticked in a plurality of draw-in grooves of this pedestal.
Described light-emitting device, wherein, this pedestal comprises a plurality of fin that are formed at an outside wall surface.
Described light-emitting device, wherein, this pedestal comprises a plurality of heat conduction particles with high thermal conductivity coefficient.
Described light-emitting device, wherein, a upper surface of vertical this base portion of at least one plate face of this circuit substrate.
Described light-emitting device, wherein, this light fixture more comprises an optical element; This optical lens comprises a plurality of light in part and a light out part; These a plurality of light in part connect this light out part and protrude towards the direction away from this light out part, and respectively this light in part has a depression, and this light-emitting component is arranged at this depression.
This light fixture of the light-emitting device of the utility model is directly assembled this circuit substrate and this metal-base circuit plate of this power drives unit and is formed and is electrically connected, and thus, not only can simplify working process effectively and also can reduce cost of manufacture.
Description of drawings
Fig. 1 is the cutaway view of existing light emitting diode bulb;
Fig. 2 is the sectional perspective exploded view of the light-emitting device of first embodiment of the invention;
Fig. 3 is the local constitutional diagram of the light-emitting device of first embodiment of the invention;
Fig. 4 is the cutaway view of the light-emitting device of first embodiment of the invention;
Fig. 5 is the partial exploded view of the light-emitting device of first embodiment of the invention;
Fig. 6 is the partial exploded view of the light-emitting device of second embodiment of the invention;
Fig. 7 is the cutaway view of the light-emitting device of second embodiment of the invention;
Fig. 8 is the partial exploded view of the light-emitting device of third embodiment of the invention;
Fig. 9 is the local constitutional diagram of the light-emitting device of third embodiment of the invention;
Figure 10 is the partial exploded view of the light-emitting device of third embodiment of the invention;
Figure 11 is the cutaway view of the light-emitting device of third embodiment of the invention;
Figure 12 is the partial exploded view of the light-emitting device of fourth embodiment of the invention;
Figure 13 is the local constitutional diagram of the light-emitting device of fourth embodiment of the invention;
Figure 14 is the cutaway view of the light-emitting device of fourth embodiment of the invention;
Figure 15 is the local constitutional diagram of the light-emitting device of fifth embodiment of the invention;
Figure 16 is the partial exploded view of the light-emitting device of fifth embodiment of the invention;
Figure 17 is the cutaway view of the light-emitting device of fifth embodiment of the invention.
Description of reference numerals:
Background technology: 50-pedestal; The 52-circuit board; The 53-lead; The 54-light emitting diode; The 56-conductive contact; The 57-power line; The 58-lampshade; 59-power drives unit;
The utility model: 10,10a, 20,30,30a-light-emitting device; 11,21,31-light fixture; 110,210,310-metal-base circuit plate; 112,212,312-base portion; 113,213,313-upper surface; 114,214,314-extension; 115,215,315-fluting; 116,216,316-perforation; 12,22,32-light-emitting component; 130,230,330-power drives unit; 132,232,332-circuit substrate; 1320,2320,3320-first end; 1321,2321,3321-projection; 1322,2322,3322-the second end; 1323,2323-groove; 1325,2325,3325-wiring; 1326,2326,3326-plate face; 134,234,334-electronic component; 140,240,340-pedestal; 141,241,341-heat conduction particle; 142,242,342-first side; 1420,2420,3420-surrounding wall; 1421,2421-internal face; 1422,2422-draw-in groove; 1423,2423-outside wall surface; 1424,2424,3424-fin; 144,244,344-second side; 150,250,350,350a-conductive connecting pin; The 160-filling member; The 170-diffused component; The 172-buckle; 180,280,380-optical element; The 181-body; 182,282,382-light in part; The 1820-bottom surface; The 1821-groove; The 1822-reflecting surface; 184-first light out part; 1842-first exiting surface; 1844-second exiting surface; The 185-end face; 186-second light out part; 2820,3820-depression; 284,384-light out part; The 286-support member; The 290-fastener; The 292-trip; The 318-perforate; The 386-holding section; The I-optical axis.
The specific embodiment
Consult annexed drawings; The purpose of the utility model, characteristic and advantage will be through the utility model following illustrative and the non-limiting detailed description of preferred embodiment describe with to understand better; In annexed drawings, same reference numbers system is used for identity element or like.
Cooperate and consult Fig. 2, Fig. 3 and Fig. 4, be respectively sectional perspective exploded view, sectional perspective constitutional diagram and the cutaway view of the light-emitting device of the utility model first embodiment.In the present embodiment, this light-emitting device 10 is the example explanation with the GU10 bulb, and this light-emitting device 10 can be dissimilar bulbs such as PAR series (PAR series) bulb, A19, A20, A60, G30 during actual enforcement.This light-emitting device 10 comprises a light fixture 11 and at least one light-emitting component 12, and this light fixture 11 comprises a metal-base circuit plate (metal core printed circuit board, MCPCB) 110, one a power drives unit 130 and a pedestal 140.
This metal-base circuit plate 110 has good heat conductivity and preformed a plurality of wirings on it (figure does not show) and a plurality of weld pad (figure does not show), and this metal-base circuit plate 110 comprises a base portion 112 and a plurality of from these base portion 112 periphery bending formings and the extension 114 that is provided with at interval.This base portion 112 comprises a plurality of perforation 116, and in the present embodiment, perforation 116 is an example with two.When reality was implemented, this metal-base circuit plate 110 was pre-formed the fluting 115 that a plurality of intervals are provided with through the punching press processing procedure, and bent these a plurality of extensions 114 and make the outward appearance of this metal-base circuit plate 110 roughly cup-shaped.
This light-emitting component 12 is arranged at this metal-base circuit plate 110, and preferably, this light-emitting component 12 is arranged at a upper surface 113 of this base portion 112 and is electrically connected with these metal-base circuit plate 110 formation; Wherein, the quantity of this light-emitting component 12 can be for one or more, and in the present embodiment, light-emitting component 12 is an example with one, and this light-emitting component 12 preferably is a High Power LED.
This power drives unit 130 comprises a circuit substrate 132 and is arranged at a plurality of electronic components 134 of at least one plate face 1326 of this circuit substrate 132; This circuit substrate 132 preferably can be for being pre-formed a plurality of wirings 1325 and weld pad (figure does not show) on printed circuit board (PCB) (PCB) and its; In the present embodiment; With two wirings is the example explanation, does not limit with this during actual enforcement.This circuit substrate 132 comprises a first end 1320 and a second end 1322 in contrast to this first end 1320, and this first end 1320 has a plurality of projections 1321 and this a plurality of projections 1321 are to should a plurality of perforation 116 being provided with; In the present embodiment, this first end 1320 is an example to comprise two projections 1321, and these two projections 1321 respectively to being provided with in two perforation 116.
These a plurality of projections 1321 run through this a plurality of perforation 116, make this upper surface 113 of this this metal-base circuit plate 110 of plate face 1326 approximate vertical, and these a plurality of wirings 1325 are electrically connected with these metal-base circuit plate 110 formation through this a plurality of projections 1321.Wherein, this metal-base circuit plate 110 and this circuit substrate 132 can be electrically connected to form through welding or coating conducting resinl; Moreover these a plurality of wirings 1325 can only be arranged at a wherein plate face 1326 of this circuit substrate 132; Perhaps; These a plurality of wirings 1325 can be arranged at two plate faces 1326 of this circuit substrate 132 simultaneously; And this wherein the wiring 1325 of a plate face 1326 can pass through an insulating part; Like insulating tape, reaching insulation effect, and then avoid producing the short circuit effect with this metal-base circuit plate 110.In the present embodiment; This second end 1322 of this circuit substrate 132 more comprises a plurality of grooves 1323; These a plurality of grooves 1323 supply two conductive connecting pins 150 of this light-emitting device 10 to be provided with, and these two conductive connecting pins 150 are electrically connected with these power drives unit 130 formation.
This pedestal 140 uses the macromolecular material with high thermal conductivity coefficient, like thermoplastic plastic, thermosetting plastic etc., through the integrated structure of injection molding method, its have in light weight, make advantages such as simple and good insulation effect.And, be added with a plurality of heat conduction particles 141 in this macromolecular material, like metal oxide powder, powdered graphite or ceramic powders etc., the heat energy that the pedestal 140 behind the ejection formation is produced when this light-emitting component 12 of diversion is lighted apace.
Cooperate simultaneously and consult Fig. 4 and Fig. 5, this pedestal 140 has one second side 144 that one first side 142 reaches in contrast to this first side, and this first side 142 is roughly cup-shaped and have a surrounding wall 1420, and an internal face 1421 of this surrounding wall 1420 has a plurality of draw-in grooves 1422; One outside wall surface 1423 of this surrounding wall 1420 has a plurality of fin 1424; These a plurality of fin 1424 are formed in one with this pedestal 140; And have this a plurality of heat conduction particles 141 in it; These a plurality of fin 1424 are mainly in order to increasing the area of dissipation of this pedestal 140, and then promote the radiating effect of this pedestal 140.This metal-base circuit plate 110 is arranged at this first side 142, and this extension 114 is embedded in this pedestal 140.This second side 144 connects this first side 142 also roughly in a tubular form, and the root edge that these a plurality of conductive connecting pins 150 run through this second side 144 is for being inserted in an outside lamp socket (not accompanying drawing).
The flow process of this light-emitting device 10 of actual fabrication is carefully stated as follows: at first; On this metal-base circuit plate 110, form the fluting 115 that a plurality of intervals are provided with through the punching press processing procedure; Make formation one base portion 112 and a plurality of extension 114 along these fluting 115 these metal-base circuit plates 110 of bending, and form a plurality of perforation 116 in this base portion 112.Then, a plurality of projections 1321 of a circuit substrate 132 of a power drives unit 130 are run through these a plurality of perforation 116 and form with this metal-base circuit plate 110 and to be electrically connected.
Afterwards, this metal-base circuit plate 110 and this power drives unit 130 that combine are imbedded in the ejection shaping die of this pedestal 140, made this pedestal 140 directly be coated on this extension 114 and this power drives unit 130 of this metal-base circuit plate 110; Thus; Can promote the engaging force between this metal-base circuit plate 110 and this pedestal 140; Avoid coming off because of the external force extruding; And, can make the heat energy that produces when lighting this light-emitting component 12 be passed to this pedestal 140 via this extension 114 apace, and cause in the outside air by a plurality of fin 1424 dissipations that are formed at this pedestal 140.Then, with this light-emitting component 12 via the welding processing procedure to be arranged at this metal-base circuit plate 110.Perhaps; This light-emitting component 12 can be earlier through welding processing procedure to be arranged at this metal-base circuit plate 110; Afterwards; The metal-base circuit plate 110 that will be provided with this light-emitting component 12 again combines with this power drives unit 130 and imbeds in the ejection shaping die of this pedestal 140, makes this pedestal 140 be coated on these a plurality of extensions 114 and this power drives unit 130 of this metal-base circuit plate 110.
Moreover, because the thickness of this circuit substrate 132 is much smaller than its width, therefore; The thickness of this pedestal 140 of avoiding coating this power drives unit 130 is blocked up, before these pedestal 140 ejection formations, a filling member 160 can be set in the both sides of this circuit substrate 132 respectively; As shown in Figure 5; This filling member 160 preferably can be a plastic parts, silica gel or epoxy resin, does not then limit with this during actual enforcement, thus; Can make the consistency of thickness of this pedestal 140, and can reduce cost of manufacture effectively and prevent this pedestal 110 distortion.
In addition; This light-emitting device 10 more comprises a diffused component 170; This diffused component 170 is arranged at this first side 142 of this pedestal 140 and coats this light-emitting component 130, and this diffused component 170 comprises a plurality of buckles 172, these a plurality of buckles 172 accordingly clip in these a plurality of draw-in grooves 1422; Make this diffused component 170 be positioned at this light-emitting component 130 tops; This diffused component 170 can be dispersed the light that light-emitting component 12 is provided, and promoting the integral color uniformity of this light-emitting device 10, and then obtains comparatively desirable optical quality.
Cooperate and consult Fig. 6 and Fig. 7, be respectively the sectional perspective exploded view and the cutaway view of the light-emitting device of the utility model second embodiment.The light-emitting device 10a of present embodiment is roughly identical with above-mentioned first embodiment; Difference is that the light-emitting device of present embodiment more comprises an optical lens 180; This optical lens 180 is arranged at this first side 142 of this pedestal 140; And between this light-emitting component 12 and this diffused component 170 and coat this light-emitting component 12, thereby change the light intensity distributions of the light that passes through.This optical lens 180 can be the lens with spotlight effect, astigmatic effect according to the going out light effect of light source module 10a.
In the present embodiment, this optical lens 180 has an optical axis I, and this optical axis I roughly overlaps with the emergent shaft of this light-emitting component 12.This optical lens 180 comprises the body 181 of a printing opacity, and it can adopt light-permeable materials such as glass, plastic cement to process.This body 181 has a light in part 182, one first light out part 184 and one second light out part 186, and this light in part 182 has a bottom surface 1820 and a reflecting surface 1822, and this bottom surface 1820 has a groove 1821, and this light-emitting component 12 is arranged at this groove 1821.This reflecting surface 1822 is connected in this bottom surface 1820 and this first light out part 184, and the distance of this reflecting surface 1822 and this optical axis I is along with increasing away from this bottom surface 1820 gradually.This first light out part 184 is connected in this reflecting surface 1822, and has an end face 185, and this end face 185 along with moving closer to this optical axis I toward the direction of this bottom surface 1820 gradually near.This end face 185 includes a plurality of first exiting surface 1842 and second exiting surfaces 1844 of being staggered; In the present embodiment, this first exiting surface 1842 is roughly parallel to this bottom surface 1820, and this second exiting surface 1844 is approximately perpendicular to this bottom surface 1820, makes this first light out part 184 stepped; And this second exiting surface 1844 successively decreases along with moving closer to this optical axis I in the length of the direction of vertical this bottom surface 1820.Thus, can shorten the distance that light is passed to this first light out part 184, make and reduce the loss that is produced when light transmits in optical lens 180, reduce the thickness and the weight of these optical lens 180 integral body further.When reality is implemented, the direct of travel of the light that these a plurality of first exiting surfaces 1842 of first light out part 184 that can be through adjusting this optical lens 180 pass through with control with respect to the angle of inclination on the plane of vertical this optical axis I.
This second light out part 186 connects this end face 185 and roughly is positioned at this groove 1821 tops; This second light out part 186 is a Fresnel Lenses (Fresnel Lens); And this second light out part 186 can be for having the Fresnel Lenses of light-focusing function or diverging light function.
Cooperate and consult Fig. 8, Fig. 9, Figure 10 and Figure 11, be respectively the partial exploded view of the light-emitting device of the utility model the 3rd embodiment, local constitutional diagram, partial exploded view and cutaway view.This light-emitting device 20 comprises a light fixture 21, a plurality of light-emitting component 22, an optical element 280 and a fastener 290, and this light fixture 21 comprises a metal-base circuit plate 210, a power drives unit 230 and a pedestal 240.
This metal-base circuit plate 210 has been pre-formed a plurality of wirings (figure does not show) and weld pad (figure does not show); This metal-base circuit plate 210 comprises a base portion 212 and a plurality of extension 214 from these base portion 212 periphery bending formings and interval setting; This base portion 212 has a plurality of perforation 216; In the present embodiment, perforation 216 is an example with two.When reality was implemented, this metal-base circuit plate 210 was pre-formed the fluting 215 that a plurality of intervals are provided with through the punching press processing procedure, and bent this extension 214 and make this extension 214 be approximately perpendicular to this base portion 212.
These a plurality of light-emitting components 22 are arranged at a upper surface 213 of this base portion 212, and are electrically connected with these metal-base circuit plate 210 formation, in the present embodiment; Light-emitting component 22 is an example with four; Then do not limit during actual enforcement, and these a plurality of light-emitting components 22 preferably are High Power LED with this.
This power drives unit 230 comprises a circuit substrate 232 and is arranged at least one electronic component 234 of at least one plate face 2326 of this circuit substrate 232, and this circuit substrate 232 preferably can be for being pre-formed a plurality of wirings 2325 and weld pad (figure does not show) on printed circuit board (PCB) and its; In the present embodiment, be the example explanation with two wirings 2325, do not limit during actual enforcement with this.This circuit substrate 232 comprises a first end 2320 and a second end 2322 in contrast to this first end 2320; This first end 2320 have to should be a plurality of a plurality of projections 2321 of being provided with of perforation 216; In the present embodiment, this first end 2320 is an example to comprise two projections 2321.These a plurality of projections 2321 run through this a plurality of perforation 216, make this upper surface 231 of this this metal-base circuit plate 210 of plate face 2326 approximate vertical, and these a plurality of wirings 2325 are electrically connected with these metal-base circuit plate 210 formation through this a plurality of projections 2321.This second end 2322 of this circuit substrate 232 more comprises a plurality of grooves 2323, and these a plurality of grooves 2323 supply two conductive connecting pins 250 of this light-emitting device 20 to be provided with, and these two conductive connecting pins 250 are electrically connected with these power drives unit 230 formation.
This pedestal 240 uses the macromolecular material with high thermal conductivity coefficient through the integrated structure of injection molding method, its have in light weight, make advantages such as simple and good insulation effect, and be added with a plurality of heat conduction particles 241 in this macromolecular material.This pedestal 240 has one second side 244 that one first side 242 reaches in contrast to this first side, and this first side 242 is roughly cup-shaped and have a surrounding wall 2420, and an internal face 2421 of this surrounding wall 2421 has a plurality of draw-in grooves 2422.One outside wall surface 2423 of this surrounding wall 2420 has a plurality of fin 2424, and these a plurality of fin 2424 are mainly in order to increasing the area of dissipation of this pedestal 240, and then promotes the radiating effect of this pedestal 240.This metal-base circuit plate 210 is arranged at this first side 242, and this extension 214 is embedded in this pedestal 240.This second side 244 connects this first side 242 also roughly in a tubular form, and the root edge that these a plurality of conductive connecting pins 250 run through this second side 244 is for being inserted in an outside lamp socket (not accompanying drawing).
This pedestal 240 is coated on this extension 214 and this power drives unit 230 of this metal-base circuit plate 210, to promote the engaging force between metal-base circuit plate 210 and this pedestal 240, avoids coming off because of the external force extruding.
In addition; This optical element 280 is arranged at this first side 242 of this pedestal 240 and coats these a plurality of light-emitting components 22; This optical element comprises a plurality of light in part 282 and a light out part 284, and in the present embodiment, the quantity of these a plurality of light in part 282 equals the quantity of these a plurality of light-emitting components 230.These a plurality of light in part 282 connect this light out part 284 and are circular-arc protrusion towards the direction away from this light out part 284, and respectively this light in part 282 has a depression 2820, and these a plurality of light-emitting components 22 are arranged at this depression 2820.
This optical element 280 more comprises a plurality of support members 286, and these a plurality of support members 286 are resisted against this metal-base circuit plate 210, so that this a plurality of light-emitting components 280 tops are stood in these optical element 280 supports.
This fastener 290 has a plurality of trips 292, and these a plurality of trips 292 are sticked in this a plurality of draw-in grooves 2422 and fastening this optical lens 280 of this pedestal 240.
Cooperate and consult Figure 12, Figure 13 and Figure 14, be respectively the partial exploded view of the light-emitting device of the utility model the 4th embodiment, local constitutional diagram and cutaway view.In the present embodiment, this light-emitting device 30 is the example explanation with the MR16 bulb, does not then limit with this during actual enforcement.This light-emitting device 30 comprises a light fixture 31 and at least one light-emitting component 32, and this light fixture 31 comprises a metal-base circuit plate 310, a power drives unit 330, a pedestal 340 and an optical element 380.
This metal-base circuit plate 310 comprises a base portion 312 and a plurality of extension 314 from these base portion 312 periphery bending formings and interval setting, and in the present embodiment, this extension 314 is approximately perpendicular to this base portion 312.This base portion 312 comprises a plurality of perforation 316 and a plurality of perforate 318, and in the present embodiment, perforation 316 is an example with two, and perforate 318 is an example with four, does not then limit with this during actual enforcement.
These a plurality of light-emitting components 32 are arranged at a upper surface 313 of this base portion 312 and are electrically connected with these metal-base circuit plate 310 formation; And in the present embodiment; Light-emitting component 32 is an example with seven, and preferably can be High Power LED, does not then limit with this during actual enforcement.
This power drives unit 330 comprises a circuit substrate 332 and is arranged at least one electronic component 334 of at least one plate face 3326 of this circuit substrate 332, and this electronic component 334 can for example be power supply changeover device or other active, passive type electronic component.This circuit substrate 332 preferably can be for being pre-formed a plurality of wirings 3325 and weld pad (figure does not show) on printed circuit board (PCB) and its; In the present embodiment, be the example explanation with two wirings 3325, do not limit during actual enforcement with this.
One first end 3320 of this circuit substrate 332 comprises a plurality of projections 3321, and in the present embodiment, projection 3321 is an example with two.These a plurality of projections 3321 run through this a plurality of perforation 316, make this upper surface 313 of this this metal-base circuit plate 310 of plate face 3326 approximate vertical, and these a plurality of wirings 3325 are electrically connected with these metal-base circuit plate 310 formation through this a plurality of projections 3321.
This optical element 380 comprises a plurality of light in part 382, a light out part 384 and a plurality of holding section 386; These a plurality of light in part 382 connect this light out part 384 and are circular-arc protrusion towards the direction away from this light out part 384; Respectively this light in part 382 has a depression 3820, and respectively this light-emitting component 32 is arranged at this depression 3820; In the present embodiment, the quantity of these a plurality of light in part 382 equals the quantity of these a plurality of light-emitting components 330.386 pairs of these a plurality of holding sections should be provided with in a plurality of perforates 318; And the quantity of these a plurality of holding sections 386 equals the quantity of these a plurality of perforates 318; These a plurality of holding sections 386 are sticked in these a plurality of perforates 318 makes this optical element 380 combine with this metal-base circuit plate 310; In the present embodiment, these a plurality of holding sections 386 are example with four.
This pedestal 340 uses the macromolecular material with high thermal conductivity coefficient through the integrated structure of injection molding method, its have in light weight, make advantages such as simple and good insulation effect, and be added with a plurality of heat conduction particles 341 in this macromolecular material.This pedestal 340 coat should be a plurality of extension 314, this power drives unit 330 and this optical element 380, to promote the engaging force between metal-base circuit plate 310, this optical element 380 and this pedestal 340, avoid pushing and come off because of external force.One first side 342 of this pedestal 340 is roughly cup-shaped and have a surrounding wall 3420, and an outside wall surface of this surrounding wall 3420 has a plurality of fin 3424, and these a plurality of fin 3424 can promote the radiating effect of this pedestal 340 effectively.This metal-base circuit plate 310 is arranged at this first side 342, and this extension 314 is embedded in this pedestal 340, and this optical element 380 is arranged at this first side 342 and coats these light-emitting components 32.One second side 344 of this pedestal 340 is in contrast to this first side 342 and connect this first side 342 and roughly in a tubular form; A plurality of conductive connecting pins 350 run through the root edge of this second side 344, and connect the second end 3322 of this circuit substrate 332 and form with this circuit substrate 332 and to be electrically connected; In the present embodiment, these a plurality of conductive connecting pins 350 are the pin of corresponding MR16 bulb.
The flow process of this light-emitting device 30 of actual fabrication is carefully stated as follows: at first; On this metal-base circuit plate 310, form the fluting 315 that a plurality of intervals are provided with through the punching press processing procedure; Make formation one base portion 312 and a plurality of extension 314 along these fluting 315 these metal-base circuit plates 310 of bending, and form a plurality of perforation 316 and a plurality of perforates 318 in this base portion 312.Then, a plurality of projections 3321 of a circuit substrate 332 of a power drives unit 330 being run through these a plurality of perforation 316 forms with this metal-base circuit plate 310 and is electrically connected.
A plurality of light-emitting components 32 are arranged at this base portion 312 and form with this metal-base circuit plate 310 be electrically connected; And, the holding section 386 of an optical element 380 is sticked in this a plurality of perforates 318 accordingly, thus fixing this optical element 380.
Afterwards; This metal-base circuit plate 310 and this power drives unit 330 that combine are imbedded in the ejection shaping die of this pedestal 340, made this pedestal 340 directly be coated on this extension 314 of this metal-base circuit plate 310, this power drives unit 330 and this optical element 380 partly.
Cooperate and to consult Figure 15, Figure 16 and Figure 17, be partial exploded view, local constitutional diagram and the cutaway view of the light-emitting device of the utility model the 5th embodiment.The light-emitting device 30a of present embodiment is roughly similar with above-mentioned first embodiment; Difference is its conductive connecting pin 350a, and this conductive connecting pin 350a is the pin of GU10 bulb, for the Inserted lamp socket of the class that is inserted in GU5.3 or GX5.3; This partly is merely for example, but is not limited thereto.
Comprehensive the above, this circuit substrate of this power drives unit of the light-emitting device of the utility model directly forms with this metal-base circuit plate and is electrically connected, thus, not only can simplify working process effectively and also can reduce cost of manufacture; And this pedestal uses the plastic material that is mixed with the heat conduction particle to process, the heat energy that produces during diversion lighting elements effectively, and have handling ease, in light weight, have advantages such as preferable flexible resistance and insulating properties be good; And; Through bending this metal-base circuit plate; And make these a plurality of extensions of this metal-base circuit plate imbed this pedestal, and thus, the heat energy that produces of diversion light-emitting component apace; Avoid light-emitting component to produce brightness reduction, lifetime and wavelength drift in the hot environment, even the situation of damaging produce because of working in.
Yet the above; Be merely the preferred embodiment of the utility model; When can not limiting the scope that the utility model is implemented, promptly all equalizations of doing according to the utility model claim change and modify etc., all should still belong to the category of the patent covering scope intention protection of the utility model.
Claims (12)
1. a light-emitting device is characterized in that, comprises:
At least one light-emitting component;
One light fixture comprises:
One plastic seat body has one first side and second side in contrast to this first side;
One metal-base circuit plate; Be arranged at this first side of this pedestal, this metal-base circuit plate comprises a base portion and a plurality of extension that is provided with by this base portion periphery bending forming and interval, and this base portion has a plurality of perforation; This extension is embedded in this pedestal, and this light-emitting component is arranged at this base portion;
One power drives unit comprises a circuit substrate, and a first end of this circuit substrate has a plurality of projections, and these a plurality of projections run through these a plurality of perforation accordingly and are electrically connected with this metal-base circuit plate formation.
2. light-emitting device as claimed in claim 1 is characterized in that, more comprises a diffused component, is arranged at this first side of this pedestal and coats this light-emitting component.
3. light-emitting device as claimed in claim 2 is characterized in that this diffused component comprises a plurality of buckles, these a plurality of buckles accordingly clip in a plurality of draw-in grooves of an internal face of this pedestal.
4. light-emitting device as claimed in claim 1 is characterized in that, more comprises an optical lens, is arranged at this first side of this pedestal and coats this light-emitting component.
5. light-emitting device as claimed in claim 4 is characterized in that this optical lens has an optical axis, and this optical lens comprises:
One body comprises:
One light in part comprises a bottom surface and a reflecting surface, and this bottom surface has a groove, and this reflecting surface is connected in the distance of this bottom surface and this reflecting surface and this optical axis along with increasing away from this bottom surface gradually, and this light-emitting component is arranged at this groove;
One first light out part is connected in this reflecting surface, and this first light out part has an end face, and this end face along with moving closer to this optical axis toward the direction of this bottom surface gradually near; And
One second light out part connects this end face and is positioned at this groove top.
6. light-emitting device as claimed in claim 5 is characterized in that, this end face comprises a plurality of staggered first exiting surfaces and second exiting surface, and this second exiting surface is perpendicular to this bottom surface, and this first exiting surface is parallel to the bottom surface, makes this first light out part stepped.
7. light-emitting device as claimed in claim 4; It is characterized in that this optical lens comprises a plurality of light in part and a light out part, these a plurality of light in part connect this light out part and protrude towards the direction away from this light out part; And respectively this light in part has a depression, and this light-emitting component is arranged at this depression.
8. light-emitting device as claimed in claim 7 is characterized in that, more comprises a fastener, and this fastener has a plurality of trips, and these a plurality of trips are sticked in a plurality of draw-in grooves of this pedestal.
9. light-emitting device as claimed in claim 1 is characterized in that, this pedestal comprises a plurality of fin that are formed at an outside wall surface.
10. light-emitting device as claimed in claim 1 is characterized in that, this pedestal comprises a plurality of heat conduction particles with high thermal conductivity coefficient.
11. light-emitting device as claimed in claim 1 is characterized in that, a upper surface of vertical this base portion of at least one plate face of this circuit substrate.
12. light-emitting device as claimed in claim 1; It is characterized in that; This light fixture more comprises an optical element, and this optical lens comprises a plurality of light in part and a light out part, and these a plurality of light in part connect this light out part and protrude towards the direction away from this light out part; And respectively this light in part has a depression, and this light-emitting component is arranged at this depression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204311887U CN202327707U (en) | 2011-11-03 | 2011-11-03 | Light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204311887U CN202327707U (en) | 2011-11-03 | 2011-11-03 | Light-emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202327707U true CN202327707U (en) | 2012-07-11 |
Family
ID=46439688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204311887U Expired - Fee Related CN202327707U (en) | 2011-11-03 | 2011-11-03 | Light-emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202327707U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090210A (en) * | 2011-11-03 | 2013-05-08 | 讯凯国际股份有限公司 | Light-emitting device and method for manufacturing lamp of light-emitting device |
| CN103672459A (en) * | 2012-08-28 | 2014-03-26 | 赵依军 | Light-emitting diode lighting device compact in structure and capable of providing directional light beams |
| CN108591900A (en) * | 2016-04-27 | 2018-09-28 | 充红娣 | LED underground lamp |
-
2011
- 2011-11-03 CN CN2011204311887U patent/CN202327707U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090210A (en) * | 2011-11-03 | 2013-05-08 | 讯凯国际股份有限公司 | Light-emitting device and method for manufacturing lamp of light-emitting device |
| CN103090210B (en) * | 2011-11-03 | 2015-07-01 | 象水国际股份有限公司 | Light-emitting device and method for manufacturing lamp of light-emitting device |
| CN103672459A (en) * | 2012-08-28 | 2014-03-26 | 赵依军 | Light-emitting diode lighting device compact in structure and capable of providing directional light beams |
| CN108591900A (en) * | 2016-04-27 | 2018-09-28 | 充红娣 | LED underground lamp |
| CN108591901A (en) * | 2016-04-27 | 2018-09-28 | 充红娣 | A kind of LED underground lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI435026B (en) | Illiminant device and lamp thereof and manufacturing method of the of the lamp | |
| US9291316B2 (en) | Integrated linear light engine | |
| US20180372276A1 (en) | Bulb apparatus and manufacturing method thereof | |
| CN108431497A (en) | Thermal conductivity flexible PCB and all-plastic radiator for LED bulb transformation | |
| TW201037212A (en) | LED light bulb | |
| JP2014139950A (en) | Lamp and lighting device | |
| CN103097801A (en) | Lightbulb-formed lamp and illumination apparatus | |
| CN102829346A (en) | LED lamp and method of making the same | |
| CN101842630A (en) | Modular solid state lighting device | |
| JP2012181969A (en) | Bulb type light-emitting element lamp, and lighting fixture | |
| KR102169657B1 (en) | Light bulb assembly having internal redirection element for improved directional light distribution | |
| CN104105922A (en) | Led lamp with diffuser having spheroid geometry | |
| WO2015110086A1 (en) | Led lighting apparatus, light shade, and circuit manufacturing method for the apparatus | |
| CN202327707U (en) | Light-emitting device | |
| CN103411152A (en) | Light emitting diode (LED) fluorescent lamp | |
| JP5743191B2 (en) | Lighting device and lighting fixture | |
| CN103090210B (en) | Light-emitting device and method for manufacturing lamp of light-emitting device | |
| CN103807622B (en) | Lighting device | |
| CN202252967U (en) | Lighting device | |
| CN105588025A (en) | LED lighting device | |
| CN210267118U (en) | Lamp and light source module thereof | |
| CN203395710U (en) | Light-emitting diode fluorescent lamp | |
| JP5736925B2 (en) | light bulb | |
| JP5705712B2 (en) | Light emitting diode module | |
| CN101663531A (en) | A heat-dissipating reflector for lighting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: COOLER MASTER INTERNATIONAL CO., LTD. Free format text: FORMER OWNER: XUNKAI INTERNATIONAL CO., LTD. Effective date: 20131204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131204 Address after: Chinese Taiwan New Taipei City Patentee after: Cooler Master International Co., Ltd. Patentee after: Cooler Master Co., Ltd. Address before: Chinese Taiwan New Taipei City Patentee before: Xunkai International Co., Ltd. Patentee before: Cooler Master Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141103 |
|
| EXPY | Termination of patent right or utility model |