CN201293226Y - LED bar light source - Google Patents
LED bar light source Download PDFInfo
- Publication number
- CN201293226Y CN201293226Y CNU2008202128781U CN200820212878U CN201293226Y CN 201293226 Y CN201293226 Y CN 201293226Y CN U2008202128781 U CNU2008202128781 U CN U2008202128781U CN 200820212878 U CN200820212878 U CN 200820212878U CN 201293226 Y CN201293226 Y CN 201293226Y
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- China
- Prior art keywords
- bar shaped
- shaped substrate
- rod lens
- led strip
- strip source
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Abstract
The utility model relate to a LED bar shaped light source. which comprises: a bar shaped substrate with lines, at least one LED chip disposed on the bar shaped substrate in electric connection with the lines on the shaped substrate, a colloid structure, and a bar shaped lens cooperating with the bar shaped substrate and forming a cavity structure. vent holes are formed on the bar shaped substrate; and the colloid structure are filled in the whole cavity of the bar shaped substrate and the bar shaped lens. The LED bar shaped light source in the utility model is formed by: forming a cavity structure by the cooperation of the bar shaped substrate and the lens with cavity; and controlling the colloid structure shape by the cavity structure shape. The invention can not only simplify production technology and reduce production cost, but also improve the consistency of LED bar shaped light source product, and realize uniform chroma.
Description
Technical field
The utility model relates to a kind of optical semiconductor source technology, relates in particular to a kind of light emitting diode (Light Emitting Diode, LED) structure of strip source.
Background technology
Light emitting diode (Light Emitting Diode, LED) be the device that the change on rank, energy band position gives off energy with luminous form when utilizing electronics in the semi-conducting material to combine with the hole, it has advantages such as volume is little, the life-span is long, driving voltage is low, power consumption is low, reaction speed is fast, vibration strength is good, be element common in the various application apparatus in the daily life, and it has engendered the every nook and cranny in traditional lighting market.Strip source more and more obtains the extensive use of every field as a staple product classification of semiconductor illuminating light source.
Existing LED strip source, be a metal edge frame (or frame of other materials) to be installed being used to assemble on the metal circuit board of chip, finish chip lay with go between be connected after, in the formed cavity of frame, directly adopt spot gluing equipment to cover the packing colloid that one deck contains fluorescent material.Yet in the overwrite procedure of packing colloid, because the air pressure instability of spot gluing equipment, difference between individuality and the individuality can appear, thereby influence consistency of product, and packaging technology that the packaged LED strip source is related and structure are comparatively complicated, utilize the cost of frame packing colloid higher relatively.
The utility model content
In view of this, must provide the LED strip source that a kind of production technology is simple, cost is low, colourity is even, uniformity is high.
The purpose of this utility model is achieved through the following technical solutions:
A kind of LED strip source, comprise: have the bar shaped substrate of circuit, at least one led chip and the colloform texture that is arranged on the described bar shaped substrate and electrically connects with circuit on the described bar shaped substrate, it is characterized in that: also include the rod lens that cooperatively interacts with described bar shaped substrate and form cavity body structure, described bar shaped substrate is provided with hole for injecting glue and steam vent, and described colloform texture is filled with in the whole cavity body structure of described bar shaped substrate and rod lens.
Above-mentioned LED strip source, wherein: described rod lens includes the protuberance of edge part and hollow, and described edge part and described bar shaped substrate are fitted mutually, and the protuberance of described hollow has at least one cavity.
Above-mentioned LED strip source, wherein: have a plurality of locating holes on the described bar shaped substrate, the bottom of described rod lens is provided with a plurality of reference columns that are assembled in the bar shaped substrate orientation hole.
Above-mentioned LED strip source, wherein: described reference column is arranged on the edge part of rod lens.
Above-mentioned LED strip source, wherein: the cavity body structure between described rod lens and the bar shaped substrate is to be formed by a cavity, and the inner surface that described rod lens has a cavity is plane.
Above-mentioned LED strip source, wherein: described rod lens is communicated with by a plurality of cavitys with cavity body structure between the bar shaped substrate and forms, and the inner surface that described rod lens has a plurality of cavitys is a plurality of dome shape of caving in.
Above-mentioned LED strip source, wherein: be mixed with the fluorescent material that is used to realize white light source in the described colloform texture.
Above-mentioned LED strip source, wherein: described rod lens can be the strip structure of strip planar structure, strip curved-surface structure or plane and curved surface combination.
Above-mentioned LED strip source, wherein: described hole for injecting glue and described steam vent are separately positioned on the opposite end of described bar shaped substrate, and between described rod lens and bar shaped substrate the inboard of cavity body structure.
Above-mentioned LED strip source, wherein: described hole for injecting glue and described steam vent are respectively the through holes that runs through described bar shaped substrate.
Thereby LED strip source of the present utility model is to cooperatively interact by bar shaped substrate and the rod lens with cavity to form cavity body structure, and the shape of passing through cavity body structure limits the shape of colloform texture, thereby can simplify production technology, reduce production costs, and can improve LED strip source consistency of product, and realize that colourity is even.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the solid combination schematic diagram of the utility model LED strip source;
Fig. 2 is the substrate of the utility model LED strip source and the three-dimensional exploded view of lens;
Fig. 3 is the substrate of LED strip source in the utility model one embodiment and heat sink three-dimensional exploded view.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
See also Fig. 1 and shown in Figure 2, LED strip source 1 of the present utility model comprises bar shaped substrate 2, a plurality of chip 3, rod lens 4 and colloform texture (not shown).
Please in conjunction with Fig. 2 and shown in Figure 3, described substrate 2 can be metal circuit board or is to be equipped with heat sink common line plate.In the present embodiment, be that employing common line plate embeds heat sink 6 strip source substrate 2, described bar shaped substrate 2 is provided with the counterbore 20 that is used to install chip 3, and following hole 200 diameters of counterbore 20 are greater than last hole 201 diameters.In each counterbore 20, all be fixed with one be used to dispel the heat heat sink 6, described heat sink 6 be step-like, and the structure of its shape and counterbore 20 is complementary.Heat sink 6 upper surface can be stamped and form depressed part (not shown), and can form reflector at the depressed part electroplate.Described chip 3 is fixedly installed in described heat sink 6 the reflector, and interconnects by lead (not shown) and the circuit 21 that is printed on above the bar shaped substrate 2.In the present embodiment, circuit 21 is to be printed on the bar shaped substrate 2, and is arranged on and rod lens 4 contacted sides, and adopts adhesive bonding between chip 3 and heat sink 6.Certainly, in other embodiments, can adopt other fixed forms between the chip 3 and heat sink 6.
The two ends of bar shaped substrate 2 have the screw locating hole 22 that is used for fixing LED strip source 1 respectively, and be respectively equipped with hole for injecting glue 23 and steam vent 24 in the inboard of described two screw locating holes 22, described hole for injecting glue 23 is all the through hole that runs through substrate 2 with steam vent 24.For the colloid that guarantees to inject is not overflowed, hole for injecting glue 23 and steam vent 24 preferably are separately positioned on the opposite end of bar shaped substrate 2.The both sides, long limit of bar shaped substrate 2 also have the locating hole 25 that is used for fixing rod lens 4.
In the present embodiment, hole for injecting glue 23 respectively is 1 with the quantity of steam vent 24, and the quantity of locating hole 25 is 3 pairs, and counterbore 20 all is the yi word pattern arrangement with chip 3.Certainly, in other embodiments, the quantity of hole for injecting glue 23, steam vent 24, locating hole 25 can be other numerical value, and counterbore 20 and chip 3 can be set to singlely or a plurality of, having when a plurality of, can adopt multiple arrangement mode to be distributed on the bar shaped substrate 2.
Can adopt the connected mode of mixing that is connected in series, is connected in parallel or connect with in parallel to realize between described a plurality of chip 3.
In the present embodiment, rod lens 4 includes and is flat edge part 41 and a plurality of hemispherical protuberances that combine 42.The edge part 41 of rod lens 4 is fitted mutually with the upper surface of bar shaped substrate 2, and has outward extending reference column 40 at edge part 41 places from the bottom surface, be used for being mounted to the locating hole 25 of bar shaped substrate 2, the quantity and the position of locating hole 25 are corresponding on the quantity of described reference column 40 and position and the bar shaped substrate 2.In the present embodiment, described reference column 40 is formed in one with lens 4.The inside of protuberance 42 each hemisphere is hollow (not shown), promptly cave inward and form a plurality of cavitys from the bottom of rod lens 4 lower surface, described a plurality of cavity respectively be arranged on bar shaped substrate 2 on a plurality of chips 3 corresponding, after the installation of substrate 2 and lens 4, form airtight cavity body structure by being interconnected of a plurality of cavitys between the two.
In the present embodiment, described rod lens 4 is many curved surfaces compound lens structure, and has a predetermined curvature, thereby can be controlled so that direction is penetrated in illumination, and in other embodiments, rod lens 4 can be other structures such as strip plane, and the inner surface of rod lens 4 protuberances 42 can be processed into the cavity of plane or a plurality of dome shape of caving in.Rod lens 4 of the present utility model can be materials such as transparent epoxy resin, PVC, PC, lucite.
Described colloform texture is by filling colloid injection substrate 2 that will be mixed with fluorescent material and the cavity body structure between the lens 4, form through sclerosis, it is used to realize the LED white light source, and in the present embodiment, described chip 3 is for being used to produce the blue light or the ultraviolet chip of white light source.Described filling colloid can be materials such as silica gel or epoxy resin.
When assembling LED strip source 1 of the present utility model, mounted lens 4 and substrate 2 reversings are placed, the lower surface that is bar shaped substrate 2 is positioned at the top, the upper surface of rod lens 4 is positioned at the below, the liquid state filling colloid that will be mixed with fluorescent material then passes through injecting glue equipment (not shown) or adopts manual type in the hole for injecting glue 23 injection lens 4 and the cavity body structure between the substrate 2 of substrate 2 bottoms, and pass through steam vent 24 gas in the cavity body structure is discharged, will fill the colloid sclerosis at last and get final product.Because the concentration of fluorescent material and the color that consumption will have influence on white light, so the restriction of the shape of scioptics 4 intracavity structures is mixed with the shape of the filling colloid of fluorescent material, thereby can realize the uniformity of LED strip source 1 colourity.
The specific embodiment of the above is a better embodiment of the present utility model, be not to limit concrete practical range of the present utility model with this, scope of the present utility model comprises and is not limited to this specific embodiment, for example, to can be shape or lens surface that strip planar structure, lens surface be curved surface be the shape that curved surface combines with the plane to rod lens; The bar shaped substrate also can not adopt the heat sink mode of assembling, but chip directly is assemblied on other substrates such as ceramic substrate or metal circuit board; The equivalence variation that all shapes according to the utility model, structure are done all comprises in the protection domain of the present utility model.
Claims (10)
1. LED strip source, comprise: have the bar shaped substrate of circuit, at least one led chip and the colloform texture that is arranged on the described bar shaped substrate and electrically connects with circuit on the described bar shaped substrate, it is characterized in that: also include the rod lens that cooperatively interacts with described bar shaped substrate and form cavity body structure, described bar shaped substrate is provided with hole for injecting glue and steam vent, and described colloform texture is filled with in the whole cavity body structure of described bar shaped substrate and rod lens.
2. LED strip source according to claim 1 is characterized in that described rod lens includes the protuberance of edge part and hollow, and described edge part and described bar shaped substrate are fitted mutually, and the protuberance of described hollow has at least one cavity.
3. LED strip source according to claim 2 is characterized in that, has a plurality of locating holes on the described bar shaped substrate, and the bottom of described rod lens is provided with a plurality of reference columns that are assembled in the bar shaped substrate orientation hole.
4. LED strip source according to claim 3 is characterized in that described reference column is arranged on the edge part of rod lens.
5. LED strip source according to claim 1 and 2 is characterized in that, the cavity body structure between described rod lens and the bar shaped substrate is to be formed by a cavity, and the inner surface that described rod lens has a cavity is plane.
6. LED strip source according to claim 1 and 2 is characterized in that, described rod lens is communicated with by a plurality of cavitys with cavity body structure between the bar shaped substrate and forms, and the inner surface that described rod lens has a plurality of cavitys is a plurality of dome shape of caving in.
7. LED strip source according to claim 1 is characterized in that, is mixed with the fluorescent material that is used to realize white light source in the described colloform texture.
8. LED strip source according to claim 1 is characterized in that, described rod lens can be the strip structure of strip planar structure, strip curved-surface structure or plane and curved surface combination.
9. LED strip source according to claim 1 is characterized in that, described hole for injecting glue and described steam vent are separately positioned on the opposite end of described bar shaped substrate, and between described rod lens and bar shaped substrate the inboard of cavity body structure.
10. LED strip source according to claim 9 is characterized in that, described hole for injecting glue and described steam vent are respectively the through holes that runs through described bar shaped substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128781U CN201293226Y (en) | 2008-10-29 | 2008-10-29 | LED bar light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128781U CN201293226Y (en) | 2008-10-29 | 2008-10-29 | LED bar light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293226Y true CN201293226Y (en) | 2009-08-19 |
Family
ID=41006704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202128781U Expired - Lifetime CN201293226Y (en) | 2008-10-29 | 2008-10-29 | LED bar light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293226Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826590A (en) * | 2010-04-20 | 2010-09-08 | 北京朗波尔光电股份有限公司 | LED lamp with lens injected with fluorescent glue and packaging method thereof |
| WO2010115296A1 (en) * | 2009-04-10 | 2010-10-14 | 佛山市国星光电股份有限公司 | Radiation substrate for power led and power led production and manufacturing method thereof |
| CN101576212B (en) * | 2008-09-05 | 2012-07-18 | 佛山市国星光电股份有限公司 | LED strip light source and package method thereof |
| CN101764192B (en) * | 2010-01-18 | 2012-09-05 | 山东华光光电子有限公司 | Encapsulating process of large-power LED |
| CN103486536A (en) * | 2013-09-09 | 2014-01-01 | 苏州金科信汇光电科技有限公司 | Combined-type lens and manufacturing method thereof |
| CN104329596A (en) * | 2013-07-22 | 2015-02-04 | 海洋王（东莞）照明科技有限公司 | Roadway LED floodlight |
| KR200485494Y1 (en) * | 2016-10-10 | 2018-01-15 | 박상희 | LED PL Lighting Device |
-
2008
- 2008-10-29 CN CNU2008202128781U patent/CN201293226Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576212B (en) * | 2008-09-05 | 2012-07-18 | 佛山市国星光电股份有限公司 | LED strip light source and package method thereof |
| WO2010115296A1 (en) * | 2009-04-10 | 2010-10-14 | 佛山市国星光电股份有限公司 | Radiation substrate for power led and power led production and manufacturing method thereof |
| CN101764192B (en) * | 2010-01-18 | 2012-09-05 | 山东华光光电子有限公司 | Encapsulating process of large-power LED |
| CN101826590A (en) * | 2010-04-20 | 2010-09-08 | 北京朗波尔光电股份有限公司 | LED lamp with lens injected with fluorescent glue and packaging method thereof |
| CN101826590B (en) * | 2010-04-20 | 2013-11-13 | 北京朗波尔光电股份有限公司 | LED lamp with lens injected with fluorescent glue and packaging method thereof |
| CN104329596A (en) * | 2013-07-22 | 2015-02-04 | 海洋王（东莞）照明科技有限公司 | Roadway LED floodlight |
| CN103486536A (en) * | 2013-09-09 | 2014-01-01 | 苏州金科信汇光电科技有限公司 | Combined-type lens and manufacturing method thereof |
| KR200485494Y1 (en) * | 2016-10-10 | 2018-01-15 | 박상희 | LED PL Lighting Device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090819 |