CN202769469U - Light-emitting diode (LED) street lamp integrated light source - Google Patents
Light-emitting diode (LED) street lamp integrated light source Download PDFInfo
- Publication number
- CN202769469U CN202769469U CN2012204748499U CN201220474849U CN202769469U CN 202769469 U CN202769469 U CN 202769469U CN 2012204748499 U CN2012204748499 U CN 2012204748499U CN 201220474849 U CN201220474849 U CN 201220474849U CN 202769469 U CN202769469 U CN 202769469U
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- China
- Prior art keywords
- led
- street lamp
- lens
- lamp integrated
- heat
- 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.)
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- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 32
- 239000012790 adhesive layer Substances 0.000 claims description 24
- 229920006332 epoxy adhesive Polymers 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 21
- 238000005538 encapsulation Methods 0.000 abstract description 4
- 229920006335 epoxy glue Polymers 0.000 abstract 2
- 229920000297 Rayon Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Led Device Packages (AREA)
Abstract
The utility model discloses a light-emitting diode (LED) street lamp integrated light source which comprises an encapsulation support (3), a lens (1), an epoxy glue layer (5), a heat conduction base plate (4) and a plurality of LED chips (6) which are arranged on the heat conduction base plate (4). The heat conduction base plate (4) is connected with the encapsulation support (3), and the epoxy glue layer (5) covers the plurality of LED chips (6). The LED street lamp integrated light source is characterized in that the lens (1) is fixedly connected on the upper surface of the encapsulation support (3), and the lower end face of the lens (1) is a plane solid lens. The LED street lamp integrated light source is small in light loss, and high in lighting efficacy.
Description
Technical field
The utility model relates to lighting technical field, is specifically related to a kind of integrated optical source for the LED street lamp.
Background technology
LED is as a kind of semiconductor solid luminescence device, has a volume little, long, low power consumption and other advantages of life-span, and in the outdoor lighting field, LED has replaced conventional light source and has been widely used on the street lamp.LED integrated optical source refers to a plurality of led chips are integrated in light source on the heat-conducting substrate, generally include package support, lens, epoxy adhesive layer, heat-conducting substrate, be located at a plurality of led chips on the heat-conducting substrate, heat-conducting substrate is connected with package support, epoxy adhesive layer covers on a plurality of led chips, package support, heat-conducting substrate, led chip and epoxy adhesive layer form the unit module of an integral body by the mold pressing encapsulation, after installing to above-mentioned module in the street lamp casing during installation, on street lamp casing, lens are installed to again the light-emitting window place of led light source, also be provided with reflector around the led light source in the street lamp casing, lens and reflector jointly carry out luminous intensity distribution to LED and satisfy LED as the lighting requirement of road-light light-source on road, the LED integrated optical source of this kind structure is because the refraction number of times of the light that LED sends is more, LED is larger to the distance of lens, and a plurality of led chips are irregular to be integrated on the heat-conducting substrate, the light loss of light source is larger, and light efficiency is lower.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of light loss less, the LED street lamp integrated optical source that light efficiency is higher.
Technical solution adopted in the utility model is: a kind of LED street lamp integrated optical source is provided, comprise package support, lens, epoxy adhesive layer, heat-conducting substrate, be located at a plurality of led chips on the heat-conducting substrate, described heat-conducting substrate is connected with package support, epoxy adhesive layer covers on a plurality of led chips, described lens are fixed in the upper surface of package support, and described lens are that the lower surface is the solid lens of horizontal plane.
Described a plurality of led chip is pressed the multiple lines and multiple rows spread configuration on heat-conducting substrate.
The refractive index of described lens is greater than 1.47.
Described heat-conducting substrate is connected with package support and refers to, the upper surface of package support is provided with groove, and the middle part of groove is provided with through hole, and the projection of heat-conducting substrate upper surface is a tight fit in the through hole.
After adopting above structure, the utility model LED street lamp integrated optical source is compared with existing technology, following advantage is arranged: because lens are fixed on the upper surface of package support, with package support, heat-conducting substrate, epoxy adhesive layer and led chip are packaged into a unit module, lens are that the lower surface is the solid lens of horizontal plane, after the light that led chip sends penetrates epoxy adhesive layer, directly the refraction of scioptics changes the direction of light of output, can satisfy the requirement of road lighting, need not to pass through the reflection of reflector again, lens are fixed on the package support, lens and led chip close together, refraction number of times and refractive medium reduce, and lose littlely, and light efficiency is high.
As improvement, on heat-conducting substrate, LED does not interact the light between a plurality of led chips by regularly arranged to described a plurality of led chips by the multiple lines and multiple rows spread configuration, and the optical energy charging of output divides and utilized, and light efficiency improves.
As improvement, the refractive index of described lens is greater than 1.47, and better refractive index can make the light of output more meet the lighting requirement of road after refraction.
As improvement, described a plurality of led chips are ten, and ten led chips are pressed two row, five row spread configurations on heat-conducting substrate, and the center line that every row led chip is divided led chip length equally is vertical with the axis of length of lens direction, is most preferred embodiment.
As improvement, the line space of described ten led chips is 0.6mm ~ 0.8mm, and column pitch is 0.6mm ~ 0.8mm, and the distance between led chip is conducive to the heat radiation of chip, and the light that yet led chip is sent does not influence each other.
As further improvement, the line space of described ten led chips is 0.7mm, and column pitch is 0.7mm, most preferred embodiment.
As further improvement, the upper end of described epoxy adhesive layer and the lower end of lens are affixed, and can prevent that air enters between epoxy adhesive layer and the lens, further reduce the medium of anaclasis, increase light efficiency.
As further improving, the thickness of described epoxy adhesive layer is 0.8mm ~ 1mm, and refractive index is greater than 1.43, and suitable thickness and refractive index can make the led chip light efficiency higher.
Description of drawings
Fig. 1 is the structural representation of the utility model LED street lamp integrated optical source.
Fig. 2 is the top view of the utility model LED street lamp integrated optical source.
Fig. 3 is the exploded view of the utility model LED street lamp integrated optical source.
Among the figure, 1, lens, 2, leg, 3, package support, 3.1, groove, 3.2, through hole, 4, heat-conducting substrate, 4.1, projection, 5, epoxy adhesive layer, 6, led chip.
The specific embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Such as Fig. 1, Fig. 2, shown in Figure 3, the utility model LED street lamp integrated optical source, comprise package support 3, lens 1, epoxy adhesive layer 5, heat-conducting substrate 4, be located at a plurality of led chips 6 on the heat-conducting substrate 4, the two ends of package support 3 are provided with leg 2, the leg 2 at two ends all is electrically connected with led chip 6, heat-conducting substrate 4 is connected with package support 3, the middle part of specifically saying package support 3 is provided with oval-shaped groove 3.1, the middle part of groove 3.1 has one and the through hole 3.2 that communicates of heat-conducting substrate 4, and a projection 4.1 of heat-conducting substrate 4 upper surfaces is a tight fit in the through hole 3.2; Epoxy adhesive layer 5 covers on a plurality of led chips 6, lens 1 are fixed in the upper surface of package support 3, namely lens 1 are encapsulated in the upper surface of package support 3 by viscose glue, the step of the periphery of lens 1 lower surface and the periphery of groove 3.1 encapsulates by viscose glue, with package support 3, epoxy adhesive layer 5, heat-conducting substrate 4 is encapsulated into an integral unit, lens 1 are the solid lens of horizontal plane for the lower surface, the refractive index of lens 1 is greater than 1.47, refractive index is a kind of physical property of material, lens 1 can be bought in market according to refractive index, on heat-conducting substrate 4, namely a plurality of led chips 6 are located on the projection 4.1 of heat-conducting substrate 4 a plurality of led chips 6 by the multiple lines and multiple rows spread configuration.
The utility model in the specific implementation, a plurality of led chips 6 are ten, ten led chips 6 are listed as five-element's spread configurations on heat-conducting substrate 4 by two, the center line of dividing led chip length on every row led chip 6 equally is vertical with the axis of length of lens direction, namely led chip 6 is width along package support 3 in the orientation of every delegation, the axis of lens 1 is the length direction of package support 3, the line space of ten led chips 6 is 0.6mm ~ 0.8mm, column pitch is 0.6mm ~ 0.8mm, line space is 0.7mm in this example, column pitch is 0.7mm, the lower surface of the upper surface of epoxy adhesive layer 5 and lens 1 is affixed, the upper surface of the lower surface of epoxy adhesive layer 5 and ten led chips 6 is affixed, epoxy adhesive layer 5 and lens 1 gap are reduced, the existence that reduces air causes the increase of medium, thereby minimizing light efficiency, epoxy adhesive layer 5 thickness be 0.8mm ~ 1mm, adopt in this example 1mm, refractive index is greater than 1.43, epoxy adhesive layer 5 can be purchased according to refractive index on market, and epoxy adhesive layer 5 is curing molding in advance.
Below only be illustrated with regard to specific embodiment of the utility model, but can not be interpreted as limitations on claims.
Claims (9)
1. LED street lamp integrated optical source, comprise package support (3), lens (1), epoxy adhesive layer (5), heat-conducting substrate (4), be located at a plurality of led chips (6) on the heat-conducting substrate (4), described heat-conducting substrate (4) is connected with package support (3), epoxy adhesive layer (5) covers on a plurality of led chips (6), it is characterized in that: described lens (1) are fixed in the upper surface of package support (3), and described lens (1) are the solid lens of horizontal plane for the lower surface.
2. LED street lamp integrated optical source according to claim 1 is characterized in that: described a plurality of led chips (6) by the multiple lines and multiple rows spread configuration on heat-conducting substrate (4).
3. LED street lamp integrated optical source according to claim 1, it is characterized in that: the refractive index of described lens (1) is greater than 1.47.
4. LED street lamp integrated optical source according to claim 1, it is characterized in that: described heat-conducting substrate (4) is connected with package support (3) and refers to, the upper surface of package support (3) is provided with groove (3.1), the middle part of groove (3.1) is provided with through hole (3.2), and the projection (4.1) of heat-conducting substrate (4) upper surface is a tight fit in the through hole (3.2).
5. LED street lamp integrated optical source according to claim 2, it is characterized in that: described a plurality of led chips (6) are ten, on heat-conducting substrate (4), the center line (6.1) of dividing led chip length on every row led chip (6) equally is vertical with the axis (1.1) of lens (1) length direction by two row, five row spread configurations for ten led chips (6).
6. LED street lamp integrated optical source according to claim 5, it is characterized in that: the line space of described ten led chips (6) is 0.6mm～0.8mm, column pitch is 0.6mm～0.8mm.
7. LED street lamp integrated optical source according to claim 6, it is characterized in that: the line space of described ten led chips (6) is 0.7mm, column pitch is 0.7mm.
8. LED street lamp integrated optical source according to claim 1, it is characterized in that: the lower surface of the upper surface of described epoxy adhesive layer (5) and lens (1) is affixed.
9. LED street lamp integrated optical source according to claim 8 is characterized in that: described epoxy adhesive layer (5) thickness be 0.8mm～1mm, refractive index is greater than 1.43.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204748499U CN202769469U (en) | 2012-09-18 | 2012-09-18 | Light-emitting diode (LED) street lamp integrated light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204748499U CN202769469U (en) | 2012-09-18 | 2012-09-18 | Light-emitting diode (LED) street lamp integrated light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202769469U true CN202769469U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204748499U Expired - Fee Related CN202769469U (en) | 2012-09-18 | 2012-09-18 | Light-emitting diode (LED) street lamp integrated light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202769469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906379A (en) * | 2017-12-08 | 2018-04-13 | 深圳市晶锐铭科技有限公司 | A kind of efficiently UVLED integrated optical sources |
-
2012
- 2012-09-18 CN CN2012204748499U patent/CN202769469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906379A (en) * | 2017-12-08 | 2018-04-13 | 深圳市晶锐铭科技有限公司 | A kind of efficiently UVLED integrated optical sources |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130918 |