CN102832312A - Novel LED (light emitting diode) packaging structure - Google Patents
Novel LED (light emitting diode) packaging structure Download PDFInfo
- Publication number
- CN102832312A CN102832312A CN2011101645240A CN201110164524A CN102832312A CN 102832312 A CN102832312 A CN 102832312A CN 2011101645240 A CN2011101645240 A CN 2011101645240A CN 201110164524 A CN201110164524 A CN 201110164524A CN 102832312 A CN102832312 A CN 102832312A
- Authority
- CN
- China
- Prior art keywords
- wiring board
- led
- hole
- plastic plate
- aluminium sheet
- 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.)
- Pending
Links
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to an LED (light emitting diode) chip packaging technology, in particular to a novel LED and circuit board packaging structure comprising an aluminum plate, wherein the aluminum plate is provided with a circuit board in circuit connection with an LED chip, a through hole is arranged in the part of the circuit board where the circuit board is in circuit connection with the LED chip, the circuit board is also provided with a plastic board which is provided with a mounting hole corresponding to the through hole in the circuit board, and the LED chip is fixed in the mounting hole of the plastic board, is directly mounted on the aluminum plate, and is in direct contact with the aluminum plate through the through hole in the circuit board to dissipate heat. According to the novel LED packaging structure provided by the invention, since the mounting hole and the through hole are respectively formed in the plastic board and the circuit board, the LED chip can be in direct contact with the aluminum plate and can quickly conduct heat to a radiating fin through the aluminum plate, a conducting path between an LED light source and a radiator is reduced, barriers in a heat conducting path are eliminated, the overall cooling effect is improved, the light attenuation time is prolonged, and the service life of a lamp is prolonged.
Description
Technical field
The present invention relates to the led chip encapsulation technology, the encapsulating structure of especially a kind of new LED and wiring board.
Technical background
At lighting field, along with the development of technology, the LED illumination is with the characteristics of its low energy consumption, high light efficiency; In various light fixtures, all formed the substituting of original light fixture, for example LED fluorescent tube, LED bulb lamp and LED street lamp etc. generally all are that LED is installed on aluminium base or other metal substrates in the existing LED light fixture; Concrete structure is generally as shown in Figure 1; Be followed successively by radiator a, aluminium sheet b, insulating resin c, printed circuit Copper Foil d, lens e from the bottom to top and be installed on the chip f in the lens,, can cause the heat that produces at led chip conducting to and form in the process of radiator and hinder wherein because the existence of insulating resin; Even insulating resin also has certain insulation effect; So influence the heat radiation of led chip, thereby cause the gathering of heat, and the gathering of heat can cause the luminous acceleration light decay of LED; Not only influence the luminous light efficiency of LED, and influenced the useful life of LED light fixture.
Summary of the invention
The invention provides a kind of elimination heat radiation obstacle, reduce light decay, improve the product Novel LED encapsulating structure in useful life thereby improve radiating effect.
To achieve these goals, the present invention adopts following technical scheme:
It comprises an aluminium sheet; Said aluminium sheet is provided with the wiring board that is used to connect led light source; It is characterized in that: the led chip installation position on the described wiring board is provided with through hole, also is provided with a plastic plate on the wiring board, said plastic plate be provided with wiring board on the corresponding installing hole of through hole; Led chip is fixed in the installing hole of plastic plate and is installed on the wiring board, directly contacts the aluminium sheet heat radiation through the through hole on the wiring board.
Preferably, led chip is provided with the lens of packaging LED chips outward, and the installing hole on the described plastic plate is circular, and the sidewall of installing hole is provided with the two-stage step, on the sidewall of upper level step, is provided with the stopper slot that is used for fixing the LED lens.
Preferably, the installing hole on the described plastic plate, the through hole on the wiring board and aluminium sheet are formed pit, fill fluorescent material in the said pit.
Preferably, described stopper slot comprises six stopper slots of circumference spaced at equal angles around.
Preferably, comprise one group of relative big stopper slot and two groups of relative little stopper slots in described six stopper slots.
Preferably, described aluminium sheet, wiring board are circle, and a plurality of through holes on the said wiring board and a plurality of installing holes on the plastic plate are square or rounded projections arranged.
Preferably, described aluminium sheet, wiring board are rectangle, and a plurality of through holes on the said wiring board and a plurality of installing holes on the plastic plate are bar shaped and arrange.
In sum; Novel LED encapsulating structure of the present invention through plastic plate and with wiring board on installing hole and through hole are set respectively, make led light source directly to contact, and heat conducted to fin through aluminium sheet rapidly with aluminium sheet; Reduced the path of passing between led light source and the radiator; Eliminated the obstruction in the heat conduction path, improved whole radiating effect, the useful life of prolonged the light decay time, having improved light fixture.
Description of drawings
Fig. 1 is original LED light fixture encapsulating structure sketch map;
Fig. 2 is the blast structural representation of first embodiment of the invention;
Fig. 3 is the planar structure sketch map after the installation of first embodiment of the invention;
Fig. 4 is the blast structural representation of second embodiment of the invention;
Fig. 5 is the planar structure sketch map after the installation of second embodiment of the invention;
Fig. 6 is the perspective view of third embodiment of the invention.
Embodiment
Comprise an aluminium sheet 1 in the Novel LED encapsulating structure of the embodiment of the invention; Said aluminium sheet 1 is provided with the wiring board 2 that is used to connect led chip; Led chip installation position on the described wiring board 2 is provided with through hole 21, also is provided with a plastic plate 3 on the wiring board 2, said plastic plate 3 be provided with wiring board 2 on the corresponding installing hole 31 of through hole; Led chip is fixed in the installing hole 31 of plastic plate 3 and is installed on the wiring board 2, directly contacts aluminium sheet 1 heat radiation through the through hole on the wiring board 2 21.
The form that generally comprises in the existing led light source with straight cutting, paster and Bang Ding is installed on the wiring board; Be main wherein with the straight cutting large-power LED light bead; So with the large-power LED light bead is that example further specifies this encapsulating structure; LED lamp pearl comprises the lens of inner led chip and packaging LED chips, and the installing hole 31 on the described plastic plate is circular, and the sidewall of installing hole 31 is provided with the two-stage step; On the sidewall of upper level step 32, be provided with the stopper slot 33 that is used for fixing the LED lens, it is spacing that next stage step 34 is used for the bottom of LED lamp pearl.
In existing LED aluminium base,, on the one side of aluminium base installation LED, lay fluorescent material and come the luminous of led light source reflected, in the present embodiment generally in order to improve light efficiency; Installing hole on the described plastic plate, the through hole on the wiring board and aluminium sheet are formed pit; Fill fluorescent material in the said pit, be compared to original whole plate and lay fluorescent material, save the consumption of fluorescent material more; Because the main component of fluorescent material is a rare earth; Cost an arm and a leg, can significantly reduce material cost so reduce the consumption of fluorescent material, thereby reduce the manufacturing cost of whole light fixture.
Be used for spacing bayonet socket owing to generally be provided with on the lens of LED lamp pearl, described stopper slot comprises six stopper slots of circumference spaced at equal angles around.
For the bayonet socket of corresponding different size, comprise one group of relative big stopper slot and two groups of relative little stopper slots in described six stopper slots.
Like Fig. 2-shown in Figure 5; Among the first embodiment of the present invention and second embodiment; Described aluminium sheet 1, wiring board 2 are circle, and aluminium sheet of this kind and circuit board structure generally are used for the LED bulb lamp, generally in the LED bulb lamp only need to use a spot of LED lamp pearl; So like Fig. 2-shown in Figure 5, a plurality of through holes on the said wiring board 2 and a plurality of installing holes on the plastic plate 3 are square or rounded projections arranged.
As shown in Figure 6, the aluminium sheet 1 described in the third embodiment of the present invention, circuit 2 plates are rectangle, and are different according to the length and width of rectangle; Fluorescent tube can be used for or street lamp uses; Because in this type of light fixture, the use amount of LED lamp pearl is relatively large, a plurality of through holes on the said wiring board 2 and a plurality of installing holes on the plastic plate 3 are bar shaped and arrange; Also can adopt the form of multiple lines and multiple rows to carry out design and installation as required, improve lamp luminescence brightness to improve the installation of LED lamp pearl.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (7)
1. Novel LED encapsulating structure; Comprise an aluminium sheet, said aluminium sheet is provided with the wiring board that is used to connect led chip, it is characterized in that: the led chip installation position on the described wiring board is provided with through hole; Also be provided with a plastic plate on the wiring board; Said plastic plate be provided with wiring board on the corresponding installing hole of through hole, led chip is fixed in the installing hole of plastic plate and carries out circuit with wiring board and is connected, and directly contacts the aluminium sheet heat radiation through the through hole on the wiring board.
2. Novel LED encapsulating structure as claimed in claim 1; It is characterized in that: led chip is provided with the lens of packaging LED chips outward; Installing hole on the described plastic plate is circular; The sidewall of installing hole is provided with the two-stage step, on the sidewall of upper level step, is provided with the stopper slot that is used for fixing the LED lens.
3. according to claim 1 or claim 2 Novel LED encapsulating structure, it is characterized in that: the installing hole on the described plastic plate, the through hole on the wiring board and aluminium sheet are formed pit, fill fluorescent material in the said pit.
4. Novel LED encapsulating structure as claimed in claim 3 is characterized in that: described stopper slot comprises six stopper slots of circumference spaced at equal angles around.
5. Novel LED encapsulating structure as claimed in claim 4 is characterized in that: comprise one group of relative big stopper slot and two groups of relative little stopper slots in described six stopper slots.
6. Novel LED encapsulating structure as claimed in claim 5 is characterized in that: described aluminium sheet, wiring board are circle, and a plurality of through holes on the said wiring board and a plurality of installing holes on the plastic plate are square or rounded projections arranged.
7. Novel LED encapsulating structure as claimed in claim 5 is characterized in that: described aluminium sheet, wiring board are rectangle, and a plurality of through holes on the described said wiring board and a plurality of installing holes on the plastic plate are bar shaped and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101645240A CN102832312A (en) | 2011-06-17 | 2011-06-17 | Novel LED (light emitting diode) packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101645240A CN102832312A (en) | 2011-06-17 | 2011-06-17 | Novel LED (light emitting diode) packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102832312A true CN102832312A (en) | 2012-12-19 |
Family
ID=47335360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101645240A Pending CN102832312A (en) | 2011-06-17 | 2011-06-17 | Novel LED (light emitting diode) packaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102832312A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040264195A1 (en) * | 2003-06-25 | 2004-12-30 | Chia-Fu Chang | Led light source having a heat sink |
| CN2903656Y (en) * | 2005-10-24 | 2007-05-23 | 东莞广宏电子有限公司 | High power LED illuminating flashing lamp |
| CN201616432U (en) * | 2010-03-25 | 2010-10-27 | 安徽莱德电子科技有限公司 | LED multi-chip integrated packaging component |
| CN202103090U (en) * | 2011-06-17 | 2012-01-04 | 李铁军 | Novel LED packaging structure |
-
2011
- 2011-06-17 CN CN2011101645240A patent/CN102832312A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040264195A1 (en) * | 2003-06-25 | 2004-12-30 | Chia-Fu Chang | Led light source having a heat sink |
| CN2903656Y (en) * | 2005-10-24 | 2007-05-23 | 东莞广宏电子有限公司 | High power LED illuminating flashing lamp |
| CN201616432U (en) * | 2010-03-25 | 2010-10-27 | 安徽莱德电子科技有限公司 | LED multi-chip integrated packaging component |
| CN202103090U (en) * | 2011-06-17 | 2012-01-04 | 李铁军 | Novel LED packaging structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202103090U (en) | Novel LED packaging structure | |
| KR101066471B1 (en) | Variable led package and led lamp using its | |
| CN201636694U (en) | LED (Light Emitting Diode) illuminating lamp | |
| CN201215303Y (en) | Radiating module of high heat radiation LED lamp | |
| KR101244854B1 (en) | Dissipative assembly to emit the heat caused from LED blub lights | |
| CN201443693U (en) | LED light source module | |
| CN202469665U (en) | Large-power light-emitting diode (LED) indoor illumination lamp | |
| CN203607458U (en) | Led lamp bead | |
| CN101847624A (en) | COB modularized LED encapsulation technology | |
| CN201032073Y (en) | High-power LED cup lamp | |
| CN102832312A (en) | Novel LED (light emitting diode) packaging structure | |
| CN201014253Y (en) | Luminous diode lighting device and radiating module thereof | |
| CN203215372U (en) | High-power LED (light-emitting diode) lamp and radiator for same | |
| CN202633295U (en) | LED support, LED area light source and LED lamp | |
| CN202253254U (en) | LED (light emitting diode) ceiling lamp | |
| CN202203770U (en) | Fin type radiating light-emitting diode (LED) mining lamp | |
| CN201326915Y (en) | LED lamp | |
| CN201166348Y (en) | High heat radiation performance LED illuminating apparatus | |
| CN100359709C (en) | High power and quick heat radiating light emitting diode in white light | |
| CN203948999U (en) | Illuminator and lighting device | |
| CN103822112A (en) | LED (light emitting diode) light source with jet radiating function | |
| CN203549741U (en) | Integrated LED radiator | |
| CN202662597U (en) | Integrated multilayer lighting device | |
| CN201811021U (en) | High-power LED (light-emitting diode) lamp capable of conducting multiple heat radiation | |
| CN201170497Y (en) | Ultrathin LED luminous lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121219 |