CN206639799U - One kind toning COB light source - Google Patents
One kind toning COB light source Download PDFInfo
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- CN206639799U CN206639799U CN201621395538.8U CN201621395538U CN206639799U CN 206639799 U CN206639799 U CN 206639799U CN 201621395538 U CN201621395538 U CN 201621395538U CN 206639799 U CN206639799 U CN 206639799U
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- led chip
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- light source
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Abstract
The utility model discloses one kind toning COB light source, it includes substrate, and the substrate is provided with some equally distributed die bond positions, LED chip is pasted with each die bond position；The LED chip includes the LED chip of N kind colors；Line layer is provided with the substrate, includes a positive terminal and N number of negative pole end in line layer；The positive pole of the LED chip is all connected to the positive terminal of the line layer of substrate；The negative pole of the LED chip of each color is connected respectively to the corresponding negative pole end of line layer.Improvement and the application breakthrough of the full-color system's class products of existing LED are realized, extends the application category of toning COB light source；Improve the quality of LED finished products；Cost is saved；Improve production efficiency；Meanwhile large scale, the low power common fault of common toning series of products can also use toning COB encapsulation to solve；And solve the problems, such as mix colours series of light sources in finished product because light-out effect is bad, light-out effect is more uniform.
Description
Technical field
LED light source technical field is the utility model is related to, more particularly to a kind of toning COB light source.
Background technology
COB light source is that the specular removal being placed directly against LED chip on the mirror metal substrate of high reflecting rate integrates area source
Technology, COB light source can simply be interpreted as high power and integrate area source.It has electrical stabilization, circuit design, optical design,
Heat dissipation design is scientific and reasonable；Using heat sink technology, ensure that LED has leading hot lumen depreciation (95%)；It is high
Colour developing, light the features such as uniform, without hot spot, health environment-friendly.
Be limited to the constraint in terms of conventional LED package, the toning COB light source of traditional external form be primarily present it is following some lack
Fall into：
1st, current toning COB light source is annular in designed lines, as shown in figure 1,1 general character circuit end is represented in figure,
2nd, the color area of 3 respectively different circuits controls（In this embodiment, 2 be red area, and 3 be yellow area）, 4,5 be respectively difference
Circuit end（4 be red LED circuit end, and 5 be yellow led circuit end）.The colloid of two kinds of colors is should be noted in process of production
It can not be merged, otherwise the colour temperature of product has larger difference.
2nd, such a design is when molding light, because circuit is in single separation, as shown in Fig. 2 between different rings
Individually lighted：I.e. each corresponding paths of LEDs of ring（There are 4 paths of LEDs in figure, it is every individually to light all the way：First via LED6 in such as figure
Can individually it light）, so, finished product light, which describes, easily there is cavity and black spot phenomenon, causes whole lamp light-out effect bad.
In view of this, prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of toning COB light source, solution
When certainly existing COB light source uses loop line, the colloid for easily causing different colours is merged, and light-out effect is bad
The problems such as.
In order to achieve the above object, the utility model takes following technical scheme：
One kind toning COB light source, including substrate, the substrate are provided with some equally distributed die bond positions, each die bond
An at least LED chip is pasted with position；The LED chip includes the LED chip of N kind colors, and N is the natural number more than 1；It is described
Line layer is provided with substrate, includes a positive terminal and N number of negative pole end in line layer；The positive pole of the LED chip is all connected with
To the positive terminal of the line layer of substrate；The negative pole of the LED chip of each color is connected respectively to the corresponding negative pole end of line layer.
In described toning COB light source, the N is 2, and LED chip includes：Red LED chips and yellow LED chip.
In described toning COB light source, the fluorescent powder of corresponding LED chip color is covered on each die bond position.
In described toning COB light source, the fluorescent powder is provided with transparent silicon colloid.
In described toning COB light source, reflector groove is provided with the substrate, the LED chip is in reflector groove
In, the inwall of reflector groove is provided with Gold plated Layer.
One kind toning COB light source, including substrate, the substrate are provided with some equally distributed die bond positions, each die bond
An at least LED chip is pasted with position；The LED chip includes the LED chip of N kind colors, and N is the natural number more than 1；It is described
Line layer is provided with substrate, includes a negative pole end and N number of positive terminal in line layer；The negative pole of the LED chip is all connected with
To the negative pole end of the line layer of substrate；The positive pole of the LED chip of each color is connected respectively to the corresponding positive terminal of line layer.
In described toning COB light source, the N is 2, and LED chip includes：Red LED chips and yellow LED chip.
In described toning COB light source, the fluorescent powder of corresponding LED chip color is covered on each die bond position.
In described toning COB light source, the fluorescent powder is provided with transparent silicon colloid.
In described toning COB light source, reflector groove is provided with the substrate, the LED chip is in reflector groove
In, the inwall of reflector groove is provided with Gold plated Layer.
Compared to prior art, toning COB light source provided by the utility model, the full-color system's class products of existing LED are realized
Improvement and application breakthrough, extend toning COB light source application category；The quality of LED finished products is improved, has saved cost,
Improve production efficiency；Meanwhile large scale, the low power common fault of common toning series of products can also use toning COB encapsulation
Solve, solve the problems, such as that toning series of light sources, because light-out effect is bad, makes light-out effect more uniform in finished product.
Brief description of the drawings
Fig. 1 is the schematic diagram of double tone color COB light source in the prior art.
Fig. 2 is the schematic diagram of the double tone color COB light source shown in Fig. 1.
Fig. 3 is the schematic diagram of the preferred embodiment of the utility model toning COB light source.
Fig. 4 is the schematic diagram of the substrate circuit layer of the toning COB light source shown in Fig. 3.
Fig. 5 be the utility model mix colours COB light source preferred embodiment in die bond position schematic diagram.
Fig. 6 be the utility model mix colours COB light source preferred embodiment in reflector groove schematic diagram.
Embodiment
The utility model provides a kind of toning COB light source, to make the purpose of this utility model, technical scheme and effect more
Clear, clear and definite, the utility model is further described the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 3 and Fig. 4, it is the schematic diagram of toning COB light source preferred embodiment of the present utility model.Such as figure
Shown, the toning COB light source includes substrate 10, wherein, the substrate is provided with some equally distributed die bond positions 20, each
An at least LED chip 30 is pasted with die bond position 20；Dress posts the LED chip of 2 kinds of colors on each die bond position 20；The substrate
Line layer is provided with 10（Not shown in figure）, line layer is interior to include a positive terminal 40 and 2 negative pole ends（First negative pole end 50
With the second negative pole end 60）；The positive pole of the LED chip 30 is all connected to the positive terminal of the line layer of substrate；The LED of first color
The negative pole of chip is connected to the first negative pole end 50 of line layer, and the negative pole of the LED chip of the second color is connected to the of line layer
Two negative pole ends 60.
Specifically, by being punched directly on COB substrates, designing different circuits as needed, and common anode end is designed,
Admittedly the chip of upper different colours in different circuits, different circuits point respectively is realized by applying driving voltage to different negative pole ends
It is bright, i.e., the first negative pole end 50 or the second negative pole end 60 are connected by changing, make the LED chip of corresponding color light, realize and adjust
Color.For the utility model by the encapsulation to LED COB light source forms, the improvement and application to the full-color system's class products of existing LED are prominent
It is broken, extend the application category of LED COB light sources；The quality of LED finished products is improved, has saved cost, improves production effect
Rate.In addition, reducing cost of light source, the radiating of light source is improved, reduces thermal resistance, improved LED service lifes, reduce
The light decay of LED light source, enrich the colour system and application of LED light source.
For similarly, the number of colors of the LED chip can be N, corresponding, and N number of negative pole end is provided with line layer,
The positive pole of the LED chip of each color is connected respectively to the corresponding negative pole end of line layer, realizes the adjustable of multiple color.
Further, the positive pole of above-mentioned LED chip and negative pole can also be made to exchange, the positive pole on substrate is also right with negative pole
Adjust, i.e.,：The negative pole of LED chip is all connected to the negative pole end of the line layer of substrate, and the positive pole of the LED chip of each color connects respectively
It is connected to the corresponding positive terminal of line layer.Its control method as hereinbefore, is not gone into here.
Further referring to Fig. 5, the signal of die bond position in the preferred embodiment of its COB light source of being mixed colours for the utility model
Figure.The fluorescent powder 21 of corresponding LED chip color is covered on each die bond position 20, and transparent silicon is provided with fluorescent powder 21
Colloid 22, transparent silicon colloid 22 are in hemispherical, are reflected using hemispheric transparent silicon colloid, add the hair of COB light source
Angular, the luminous flux of unit area is improved, and hemispheric transparent silicon colloid 16 can protect LED chip 12 and gold thread,
The external force of all angles can be resisted, COB light source is hardly damaged when being extruded or colliding.
In addition, being provided with box dam 23 on the substrate 10, the box dam 23 surrounds all die bond positions 20 and fluorescent powder 21, encloses
The thickness 0.6mm on dam 23, height are also 0.6mm, and the edge spacing of box dam 23 and fluorescent powder 21 is more than 10mm, can so increased
The thickness at the edge of transparent silicon colloid, when making COB light source by collision and extruding, gold thread will not be damaged and cause dead lamp, improve COB
The reliability of light source.
Please continue to refer to Fig. 6, the signal of reflector groove in the preferred embodiment of its COB light source of being mixed colours for the utility model
Figure.As illustrated, setting reflector groove 31 on substrate 10, the LED chip 30 is located in reflector groove 31, utilizes reflector groove
31 offside reflection light, make the light that LED chip 30 is emitted evenly, improve luminous flux.Meanwhile open up on the substrate 10
The mode of reflector groove 31, with tradition compared with substrate sets the mode of reflector, the present embodiment can be such that COB light source is made more
It is thin, meet COB light source product ultrathin requirement, solve the problems, such as mix colours series of light sources in finished product because light-out effect is bad, light extraction
Effect is more uniform.
Further, the inwall of reflector groove 31 is gold-plated, so as to prevent radiation, better meets in colorful RGB,
The full wave package application such as UV-A, UV-B, UV-C, IR.The tone of full-color RGB stage lightings is enriched, military project is visited and penetrates application, cures
Defend germicidal applications, plant production application, robot probe's application etc..
In summary, toning COB light source provided by the utility model, it includes substrate, and the substrate is provided with some equal
The die bond position of even distribution, LED chip is pasted with each die bond position；The LED chip includes the LED chip of N kind colors, and N is
Natural number more than 1；Line layer is provided with the substrate, includes a positive terminal and N number of negative pole end in line layer；It is described
The positive pole of LED chip is all connected to the positive terminal of the line layer of substrate；The negative pole of the LED chip of each color is connected respectively to line
The corresponding negative pole end of road floor.Improvement and the application breakthrough of the full-color system's class products of existing LED are realized, extends toning COB light source
Application category；Improve the quality of LED finished products；Cost is saved；Improve production efficiency；Meanwhile common toning series production
The large scale of product, low power common fault can also use toning COB encapsulation to solve；And solves toning series of light sources in finished product because of light extraction
The problem of ineffective, light-out effect are more uniform.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (10)
1. one kind toning COB light source, including substrate, it is characterised in that the substrate is provided with some equally distributed die bond positions,
An at least LED chip is pasted with each die bond position；The LED chip includes the LED chip of N kind colors, and N is oneself more than 1
So number；Line layer is provided with the substrate, includes a positive terminal and N number of negative pole end in line layer；The LED chip is just
Pole is all connected to the positive terminal of the line layer of substrate；The negative pole of the LED chip of each color is connected respectively to the correspondence of line layer
Negative pole end.
2. toning COB light source according to claim 1, it is characterised in that the N is 2, and LED chip includes：Red LED
Chip and yellow LED chip.
3. toning COB light source according to claim 2, it is characterised in that corresponding LED chip is covered on each die bond position
The fluorescent powder of color.
4. toning COB light source according to claim 3, it is characterised in that the fluorescent powder is provided with transparent silicon colloid.
5. toning COB light source according to claim 3, it is characterised in that reflector groove is provided with the substrate, it is described
For LED chip in reflector groove, the inwall of reflector groove is provided with Gold plated Layer.
6. one kind toning COB light source, including substrate, it is characterised in that the substrate is provided with some equally distributed die bond positions,
An at least LED chip is pasted with each die bond position；The LED chip includes the LED chip of N kind colors, and N is oneself more than 1
So number；Line layer is provided with the substrate, includes a negative pole end and N number of positive terminal in line layer；The LED chip is born
Pole is all connected to the negative pole end of the line layer of substrate；The positive pole of the LED chip of each color is connected respectively to the correspondence of line layer
Positive terminal.
7. toning COB light source according to claim 6, it is characterised in that the N is 2, and LED chip includes：Red LED
Chip and yellow LED chip.
8. toning COB light source according to claim 7, it is characterised in that corresponding LED chip is covered on each die bond position
The fluorescent powder of color.
9. toning COB light source according to claim 8, it is characterised in that the fluorescent powder is provided with transparent silicon colloid.
10. toning COB light source according to claim 8, it is characterised in that reflector groove, institute are provided with the substrate
LED chip is stated in reflector groove, the inwall of reflector groove is provided with Gold plated Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395538.8U CN206639799U (en) | 2016-12-19 | 2016-12-19 | One kind toning COB light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395538.8U CN206639799U (en) | 2016-12-19 | 2016-12-19 | One kind toning COB light source |
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| Publication Number | Publication Date |
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| CN206639799U true CN206639799U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621395538.8U Active CN206639799U (en) | 2016-12-19 | 2016-12-19 | One kind toning COB light source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742068A (en) * | 2018-12-28 | 2019-05-10 | 苏州工业园区客临和鑫电器有限公司 | A kind of full-color RGB flexibility filament and its packaging method |
| CN112310055A (en) * | 2019-08-01 | 2021-02-02 | 美科米尚技术有限公司 | Micro light-emitting diode transparent display |
| WO2023197497A1 (en) * | 2022-04-16 | 2023-10-19 | 江门市莱可半导体科技有限公司 | Two-color cob light source |
-
2016
- 2016-12-19 CN CN201621395538.8U patent/CN206639799U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742068A (en) * | 2018-12-28 | 2019-05-10 | 苏州工业园区客临和鑫电器有限公司 | A kind of full-color RGB flexibility filament and its packaging method |
| CN112310055A (en) * | 2019-08-01 | 2021-02-02 | 美科米尚技术有限公司 | Micro light-emitting diode transparent display |
| CN112310055B (en) * | 2019-08-01 | 2023-06-13 | 美科米尚技术有限公司 | Micro LED transparent display |
| WO2023197497A1 (en) * | 2022-04-16 | 2023-10-19 | 江门市莱可半导体科技有限公司 | Two-color cob light source |
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