CN205979313U - SMD LED flexible light bar - Google Patents
SMD LED flexible light bar Download PDFInfo
- Publication number
- CN205979313U CN205979313U CN201620715329.0U CN201620715329U CN205979313U CN 205979313 U CN205979313 U CN 205979313U CN 201620715329 U CN201620715329 U CN 201620715329U CN 205979313 U CN205979313 U CN 205979313U
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- heart yearn
- silica gel
- surface mounted
- mounted led
- flexible
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Abstract
The utility model discloses a SMD LED flexible light bar belongs to the illumination field, and this lamp area includes heart yearn, a plurality of flexible circuit board and sets up a plurality of SMD LED chip on the flexible circuit board, the storage tank has been seted up along its length direction to the heart yearn, the flexible circuit board sets gradually in the storage tank, its characterized in that: the storage tank is filled there is printing opacity silica gel layer, printing opacity silica gel layer covers flexible circuit board and LED chip. By adopting the above structure, the utility model set up and to make a SMD LED flexible light bar thinner, save material and cost effectively to better, the luminous effect of flexibility is better, the yield is higher, can satisfy the producer, user's demand well.
Description
Technical field
This utility model is related to lighting field, more particularly, to a kind of adopting surface mounted LED flexible light band.
Background technology
With the continuous improvement of people's living standard, the use of LED is also increasingly popularized.In the prior art, silicon
Glue light bar is first to produce a silica gel sleeve pipe, and the flexible PCB being welded with adopting surface mounted LED chip is put into molding patch in sleeve pipe
Sheet-shaped LED flexible light band, circuit board is easily impaired during placing, and also has plenty of after completing above-mentioned steps, then in sleeve pipe
Injection silica gel, the silica gel light bar production efficiency of this kind of structure lowly it is difficult to ensure quality, easily forms bubble, and length is long
Encapsulating operation then can not possibly be completed.Separately, due to being entirely silica gel, bad mechanical strength, in silica gel, the circuit board of cladding is easily pulled
Disconnected or deform because of extruding, and the solder joint of circuit board and chip is easily squeezed and comes off.
The LED chip of existing adopting surface mounted LED flexible light band, a kind of structure therein is as shown in fig. 6, this LED chip 20
Include LED support 21, LED wafer 30 and filling gel 22；This LED support 21 includes insulating base 211 and by this insulation
The fixing metal rack 212 of seat 211, this insulating base 211 is provided with containing cavity 201, this LED wafer 30 is accommodated in this containing cavity
In 201, containing cavity 201 is filled with silica gel 22, and the conductive feet 203 that metal rack 212 extends insulating base 211 is bent to insulating base
Bottom.
In the prior art, the Chinese patent of Publication No. CN104763914A, discloses a kind of paster connecing civil power
Formula LED soft light rope, including flexible heart yearn, by the flexible clad of described heart yearn cladding, some flexible PCB and be arranged on
Some adopting surface mounted LED chips in described flexible PCB, described heart yearn offers holding channel along its length, described soft
Property pcb board is successively set in described holding channel, and the side wall of described heart yearn offers through hole successively, described adopting surface mounted LED core
Piece is at least partly contained in described through hole, and described heart yearn offers inserts groove.Reality use in, the clad of this product and
All using PVC material, clad passes through injection machine directly extrusion molding on the basis of heart yearn to heart yearn, adopting surface mounted LED chip anti-
In light shield, packaging plastic is silica gel, and because material is different, clad houses intracavity packaging silicon rubber surface not with the insulating base of chip
In conjunction with clad inner surface forms a reflecting surface in LED chip, and light projects table in the lease making clad of rear portion from LED chip
Face reflects back, and affects amount of light.In addition, PVC meeting variable color under high temperature and ultraviolet light conditions, light transmission is deteriorated, and opens for such as 130 DEG C
Begin to decompose variable color, light transmission is deteriorated, PVC discharges corrosive substance at high temperature, the insulating base corroding chip in contact holds
Put intracavity packaging silicon rubber, lead to packaging silicon rubber to go bad, go out light and obscure.
Content of the invention
The purpose of this utility model is to provide a kind of adopting surface mounted LED flexible light band, and this adopting surface mounted LED flexible light band quality is steady
Fixed, light transmission is good.
For achieving the above object, this utility model adopts the following technical scheme that：
A kind of adopting surface mounted LED flexible light band, including heart yearn, some flexible PCBs and be arranged on described flexible PCB
On some adopting surface mounted LED chips, described heart yearn offers storage tank along its length, and described flexible PCB sets gradually
In described storage tank it is characterised in that：Described storage tank is filled with translucent silica gel layer, and described translucent silica gel layer is by flexible circuit
Plate and LED chip cover, and described heart yearn adopts PVC material or other plastics.
A kind of above-mentioned adopting surface mounted LED flexible light band, also includes a gel coated layer, heart yearn is coated.Clad is by core
Line coats, and makes light bar good integrity, and the protection that light bar is integrally resilient.
A kind of above-mentioned adopting surface mounted LED flexible light band, gel coated layer is integrally formed with translucent silica gel layer.Operation can be reduced
A kind of above-mentioned adopting surface mounted LED flexible light band, the outer surface of the position in the corresponding LED chip light extraction face of clad is in arc
Shape.So be conducive to increasing exiting surface
A kind of above-mentioned adopting surface mounted LED flexible light band, described heart yearn is opaque heart yearn.Opaque heart yearn is conducive to
Formed with translucent silica gel layer and visual distinguish and compare.
A kind of above-mentioned adopting surface mounted LED flexible light band, the position in the corresponding LED chip light extraction face of clad is provided with mixed light
Layer, this light-mixed layer can be air or other tangible confused luminescent material.
Also it is embedded with wire, described wire is electrically connected with described flexible PCB in described heart yearn.This structure can strengthening core
The pull resistance of line, the operation before filling translucent silica gel layer is completed wire and is electrically connected with described flexible PCB.
The beneficial effects of the utility model are：1st, light bar of the present utility model is due to being filling silicon on flute profile heart yearn
Glue, production efficiency is high, changes over the cumbersome process adopting poling it is ensured that quality, before filling gel, because heart yearn is
Flute profile, uncovered heart yearn can conveniently complete for flexible PCB to insert heart yearn and realize the electrical connection work of flexible PCB and wire
Sequence；2nd, because the packaging plastic of LED chip adopts silica gel, and LED chip makes the packaging plastic of LED chip insulating base through core wire through hole
Surface and translucent silica gel combining together of layer, in the range of packaging plastic surface is contacted with translucent silica gel layer, eliminate packaging plastic
Surface and translucent silica gel layer inner surface, decrease the reflection on surface, increase amount of light；3rd, clad and chip package glue are all silicon
Glue material, effectively eliminates past chip package glue surface because contacting PVC clad release corrosion harmful substance and impaired factor,
Keep good light transmission；4th, the good fluidity of silica gel material and resilience are good, and after translucent silica gel formable layer, chip appearance can be relatively
Good cladding, forms an elastic protective layer；5th, silica gel uses below 150 DEG C and under UV environment, and performance does not have substantially
Change, can keep good light transmission in longer time, and within the scope of wider temperature, it remains to keep elasticity, makes lamp
Band shock resistance good, 6, heart yearn adopt PVC material, stronger mechanical strength can be kept, constant when can to a certain degree ensure to be squeezed
Shape, and then the flexible circuit board within protection is indeformable, solder joint does not fall off, separately because heart yearn does not adopt silica gel, only in heart yearn groove
Interior filling translucent silica gel layer, on the premise of obtaining preferable mechanical strength, has saved cost.
To sum up, adopting surface mounted LED flexible light band of the present utility model can guarantee that steady quality, and light transmission is good.
Brief description
Fig. 1 is this utility model structural representation；
Fig. 2 is structure sectional view of the present utility model；
Fig. 3 is the structural representation of this utility model heart yearn；
Fig. 4 is the structural representation of this utility model second embodiment；
Fig. 5 is the structural representation of this utility model 3rd embodiment
Fig. 6 is a kind of existing LED chip structure schematic diagram.
Specific embodiment
Below, in conjunction with accompanying drawing and specific embodiment, this utility model is described further：
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of adopting surface mounted LED flexible light band, including flute profile PVC heart yearn 1, some flexible circuits
Plate 3 and be arranged on some adopting surface mounted LED chips 4 on described flexible PCB 3, described flute profile heart yearn 1 is along its length
Offer storage tank 11, described flexible PCB 3 is successively set in described storage tank 11, and storage tank 11 is filled with translucent silica gel
Layer 2, flexible PCB and LED chip 4 are covered by described translucent silica gel layer.In filling gel, make the crystalline substance of LED chip insulating base
Packaging plastic 42 surface of piece containing cavity 41 and translucent silica gel combining together of layer, are contacted with translucent silica gel surface on packaging plastic surface
In the range of, eliminate packaging plastic surface and translucent silica gel inner surface, decrease the reflection on surface, increase amount of light；Heart yearn is adopted
With PVC material, stronger mechanical strength can be kept, indeformable when can to a certain degree ensure to be squeezed and then soft within protection
Property wiring board is indeformable, and solder joint does not fall off.
It is embedded with wire 5, wire 5 is electrically connected with described flexible PCB 3 in heart yearn 1.This structure can reinforced-core anti-
Drawing property, the operation before filling translucent silica gel layer is completed wire 5 and is electrically connected with described flexible PCB 3.
Heart yearn 1 may be selected to be opaque heart yearn, opaque heart yearn be conducive to translucent silica gel layer formed visual
Distinguish and compare.
Certainly, heart yearn, in addition to using PVC, can also adopt other plastics, such as PC (Merlon), PE (polyethylene).
Also it is embedded with wire, described wire is electrically connected with described flexible PCB in described heart yearn.This structure can strengthening core
The pull resistance of line, the operation before filling translucent silica gel layer is completed wire and is electrically connected with described flexible PCB.
Embodiment 2, such as Fig. 4, including a gel coated layer 6, heart yearn is coated.Heart yearn is coated by clad 6, makes light bar whole
Body is good, and the protection that light bar is integrally resilient.Gel coated layer 6 is integrally formed with translucent silica gel layer.Operation can be reduced
Embodiment three, on the basis of embodiment two, the outer surface of the position of corresponding LED chip 4 exiting surface of clad 6 is in
Arc.So be conducive to increasing exiting surface
On the basis of embodiment two or three, the position in the corresponding LED chip light extraction face of clad is provided with light-mixed layer 7, should
Light-mixed layer can be air or other tangible mixed light material.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (7)
1. a kind of adopting surface mounted LED flexible light band, including heart yearn (1), some flexible PCBs (3) and be arranged on described flexible electrical
Some adopting surface mounted LED chips (4) on road plate (3), described heart yearn (1) offers storage tank (11) along its length, described
Flexible PCB (3) be successively set in described storage tank (11) it is characterised in that：Described storage tank is filled with translucent silica gel layer
(2), flexible PCB and LED chip (4) are covered by described translucent silica gel layer, and described heart yearn (1) adopts PVC material.
2. a kind of adopting surface mounted LED flexible light band according to claim 1 it is characterised in that：Also include a gel coated layer
(6), heart yearn is coated.
3. a kind of adopting surface mounted LED flexible light band according to claim 1 it is characterised in that：Gel coated layer (6) and printing opacity
Layer of silica gel is integrally formed.
4. a kind of adopting surface mounted LED flexible light band according to claim 2 it is characterised in that：Clad (6) corresponds to LED core
The outer surface of the position of piece (4) exiting surface is curved.
5. a kind of adopting surface mounted LED flexible light band according to claim 1 it is characterised in that：Described heart yearn (1) is opaque
Heart yearn.
6. a kind of adopting surface mounted LED flexible light band according to claim 1 or 4 it is characterised in that：Clad (6) corresponds to LED
The position of chip (4) exiting surface is provided with light-mixed layer (7).
7. a kind of adopting surface mounted LED flexible light band according to one of claim 1 to 5 it is characterised in that：Described heart yearn (1)
Inside also it is embedded with wire (5), described wire (5) is electrically connected with described flexible PCB (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715329.0U CN205979313U (en) | 2016-07-06 | 2016-07-06 | SMD LED flexible light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715329.0U CN205979313U (en) | 2016-07-06 | 2016-07-06 | SMD LED flexible light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979313U true CN205979313U (en) | 2017-02-22 |
Family
ID=58023590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620715329.0U Active CN205979313U (en) | 2016-07-06 | 2016-07-06 | SMD LED flexible light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205979313U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927883A (en) * | 2016-07-06 | 2016-09-07 | 中山市美耐特光电有限公司 | Paster type LED flexible light strip |
| US10578271B1 (en) | 2019-04-17 | 2020-03-03 | Excellence Optoelectronics Inc. | Vehicle LED linear lighting module |
| EP3751189A1 (en) | 2019-06-10 | 2020-12-16 | Excellence Optoelectronics Inc. | Slim linear led lighting device |
| WO2021077869A1 (en) * | 2019-10-26 | 2021-04-29 | 王定锋 | Long lamp strip assembled from short lamp strips and fabrication method |
-
2016
- 2016-07-06 CN CN201620715329.0U patent/CN205979313U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927883A (en) * | 2016-07-06 | 2016-09-07 | 中山市美耐特光电有限公司 | Paster type LED flexible light strip |
| US10578271B1 (en) | 2019-04-17 | 2020-03-03 | Excellence Optoelectronics Inc. | Vehicle LED linear lighting module |
| EP3751189A1 (en) | 2019-06-10 | 2020-12-16 | Excellence Optoelectronics Inc. | Slim linear led lighting device |
| US11015790B2 (en) | 2019-06-10 | 2021-05-25 | Excellence Optoelectronics Inc. | Slim linear LED lighting device |
| WO2021077869A1 (en) * | 2019-10-26 | 2021-04-29 | 王定锋 | Long lamp strip assembled from short lamp strips and fabrication method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |