CN202209571U - LED strip assembly formed by extrusion molding - Google Patents

LED strip assembly formed by extrusion molding Download PDF

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Publication number
CN202209571U
CN202209571U CN201120268149XU CN201120268149U CN202209571U CN 202209571 U CN202209571 U CN 202209571U CN 201120268149X U CN201120268149X U CN 201120268149XU CN 201120268149 U CN201120268149 U CN 201120268149U CN 202209571 U CN202209571 U CN 202209571U
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CN
China
Prior art keywords
extrusion molding
led
led lamp
strip assembly
utility
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Expired - Fee Related
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CN201120268149XU
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Chinese (zh)
Inventor
梁俊
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Huizhou on the photoelectric Co., Ltd.
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SHENZHEN RISHANG OPTO-ELECTRONICS CO LTD
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Priority to CN201120268149XU priority Critical patent/CN202209571U/en
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Publication of CN202209571U publication Critical patent/CN202209571U/en
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Abstract

The utility model relates to an LED strip assembly formed by extrusion molding. The LED strip assembly includes a flexible circuit board (5), one or more LEDs (2)installed on the flexible circuit board (5), and an extrusion molded part (1) formed on the flexible circuit board (5) and the one or more LEDs (2) by extrusion molding. The extrusion molded part (1) encloses the flexible circuit board (5) and the one or more LEDs (2) closely in a waterproof and sealing manner. The LED strip assembly formed by extrusion molding in the utility model has good waterproof and sealing performance. The weather fastness, service lifetime and reliability of the LED strip assembly formed by extrusion molding are improved substantially. And the production technique is simple and quick, and the production efficiency is high.

Description

The LED lamp strip assembly of extrusion molding
Technical field
The utility model relates to LED lamp band and LED lamp band sealing field, and more specifically, the utility model relates to the LED lamp strip assembly of extrusion molding.
Background technology
In the LED application industry, the soft lamp band of LED is widely used in building body profile because of its softness, frivolous, characteristics such as color is pure, simple installation; Step, exhibition booth, bridge; The hotel, KTV decorative lighting, and the places such as advertisement design of the making of advertising signboard, various large-scale animation, calligraphy and painting.Along with the maturation gradually of the soft lamp band technology of LED, its range of application also can be more extensive.
But the present soft lamp band of LED on the market mainly is to adopt the soft balsam water droplet to annotate at the lamp belt surface, treats that colloid solidifies the back to play the water proof and dust proof effect; After in addition the lamp band being passed the PVC sleeve pipe, injection glue plays the water proof and dust proof effect in sleeve pipe.
More specifically, in the scheme one of prior art, adopt soft glue directly to instil on the lamp band, play the effect of water proof and dust proof.
The defective of scheme one is, when the soft balsam water droplet is annotated embedding, must be through a certain proportion of proportioning, and need after fully stirring, could use.Complex process, and occur easily that proportioning is not normal to cause solidifying not exclusively, production efficiency is low.And the production space that takies is big, and classification of waterproof is low.
Moreover; The LED lamp band that an employing glue mode is made in the scheme one is waterproof fully; Because the process of drip irrigation is just carried out drip irrigation to the front of LED lamp band; When product immersed in the water or uses out of doors, the phenomenon that warps, split appearred in the binding site between soft balsam that As time goes on can occur instiling and the LED lamp belt surface, and then does not have waterproof effect.
In the scheme two of prior art, the lamp band passed the PVC sleeve pipe after, the soft glue of injection in the PVC sleeve pipe plays the effect of water proof and dust proof then.
The defective of scheme two is, PVC sleeve pipe and soft glue embedding lamp belt length time use, and jaundice appears in LED lamp band easily, hardening becomes fragile, and under low temperature environment easy fracture; Along with the prolongation of service time, the transmitance of PVC sleeve pipe is lower, and then causes the LED lamp to be prone to light decay aggravation, bad phenomenon such as dead lamp.
Therefore, need a kind of new LED lamp band glue sealing structure and technology in the art and solve above-mentioned technical problem and other technical problem, and the many excellent technique effects that are superior to prior art are provided.
Summary of the invention
The utility model is intended to solve above technical problem with other.
According to the utility model; LED lamp band carried out after SMT mounts LED and other components and parts accomplishing; Make whole lamp band through the extrusion molding mould in the running, thereby seal the last layer marine glue, form the LED lamp strip assembly of the extrusion molding of the utility model at the face seal of whole LED lamp band.
Particularly,, a kind of LED lamp strip assembly is provided, has comprised according to the utility model: FPC be installed on the one or more LED on the said FPC; The extrusion molding part of extrusion molding on said FPC and said one or more LED, wherein, said extrusion molding part is sealed said FPC and said one or more LED with the mode of waterproof sealing.
According to a preferred embodiment of the utility model, said extrusion molding partly is the extrusion molding part of printing opacity.
According to another preferred embodiment of the utility model, said extrusion molding partly is formed for the secondary optical lens of said LED.
According to another preferred embodiment of the utility model, said extrusion molding part is processed by PVC material or silica gel.
According to another preferred embodiment of the utility model, be provided with anti-hydraulic head (3) at the end and the joint area between the external wire of said FPC.
According to another preferred embodiment of the utility model, the interface locations between said extrusion molding part and said one or more LED exists the air gap or bubble.
According to another preferred embodiment of the utility model, between said extrusion molding part and said FPC, there are not the air gap or bubble.
According to the utility model, also disclosed a kind of method that LED lamp band is carried out sealing, comprising: LED lamp band is provided, and it comprises FPC and is installed on the one or more LED on the said FPC; Pass through extruding-out process; The plastic material one-shot forming on said FPC and said one or more LED and form the extrusion molding part, is sealed said FPC and said one or more LED with making said extrusion molding part waterproof sealing.
According to a preferable methods embodiment of the utility model, with the partially-formed optical lens of said extrusion molding for the secondary optics design that is used for said LED.
According to another preferable methods embodiment of the utility model, be provided with anti-hydraulic head at the end and the joint area between the external wire of said FPC.
According to another preferable methods embodiment of the utility model, said anti-hydraulic head is sealed said joint area with utilizing the Shooting Technique waterproof sealing.
According to the utility model, adopt the LED flexible light band of plastic cement extrusion molding, technically can:
1) solves the existing anti-UV ability of lamp band, the problem of colloid xanthochromia after use a period of time;
2) solve that jaundice appears in existing LED lamp band easily, hardening becomes fragile, and under low temperature environment the problem of easy fracture;
3) solve encapsulating lamp band and the low problem of PVC jacketed lamp band production efficiency;
4) can form optical lens as required, carry out the secondary optics design, satisfy the specific (special) requirements of various applications;
5) satisfy waterproof, anti-xanthochromia, high temperature performance is stable, and is aesthetic in appearance waits requirement.
With a traditional glue compared with techniques; Not only the waterproof sealing performance is very good for the glue sealing structure of the extrusion molding of the LED lamp strip assembly of the utility model; Make weatherability, working life and the reliability of the LED lamp carries product after the sealing improve greatly; And its production technology is simple, quick, and production efficiency is also very high.
Description of drawings
In following description, with the details of the one or more embodiment that set forth the utility model to the accompanying drawing and the specific embodiment.From these descriptions, accompanying drawing and claim, can know the other features, objects and advantages of the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, description of drawings is following.
Fig. 1 is the front schematic view according to the LED lamp strip assembly of accomplishing the extrusion molding sealing of the utility model one embodiment; Clearly illustrated the extrusion molding part of the printing opacity of LED lamp band; Be encapsulated in wherein FPC and LED, and the anti-hydraulic head that is arranged on LED lamp end of tape.
Fig. 2 is the schematic sectional view along hatching A-A shown in Figure 1, has shown the cross-sectional structure according to the LED lamp strip assembly of the utility model.
The specific embodiment
Below will be to the utility model OneThe specific embodiment of planting the glue sealing method of LED lamp strip assembly is described in more detail.
But, it will be appreciated by those skilled in the art that the following stated only is to illustrate and describe some preferred implementations, some other similarly or the embodiment that is equal to equally also can be used for implementing the utility model.
In the utility model, " LED lamp band " generally refers to the soft lamp band of LED, promptly goes up the lamp band that LED is installed at FPC (FPC); Not only comprise the lamp band that LED is installed on the single face wiring board, but also comprise the lamp band that LED is installed on double-sided wiring board or the multilayer circuit board, or the like.These all belong to the scope of the utility model.
Before describing the utility model in detail, it will be appreciated by those skilled in the art that " LED " should do the understanding on the most wide in range connotation in this application, promptly; Include all types of light emitting diodes (LED), comprise pin type and patch-type LED, all kinds of monochromatic LEDs; For example red-light LED, yellow light LED, all kinds of short wavelength LED such as blue-ray LED, green light LED, and white light LEDs, and great power LED; Through the LED of once light-distribution, without the LED of once light-distribution, or the like.Especially, the utility model is specially adapted to mount white light LEDs and LED of all kinds of various outdoor uses or the like.
Only be from the purpose that helps to understand the utility model here, the protection domain of the utility model is not had any restriction the description of embodiment.The scope of the utility model is limited accompanying claims.
The preferred implementation of the utility model is described below in conjunction with embodiment.
Embodiment according to the utility model; Be ready to known in the industry extrusion molding machine (extruding machine) and extrusion molding raw material such as PVC material or the like; The extrusion molding machine is heated to suitable design temperature (according to for example extrusion molding raw material and technological parameter different and different); Adopt hauling machine, put on draught line, adjust the rotating speed of hauling machine and extruding machine; Then with LED lamp band with proper speed through extruding machine and at the rubber-wrapping structure of sealing extrusion molding on the LED lamp band comprehensively; For example as shown in Figure 2, can see that FPC 5 is encapsulated in the rubber-wrapping structure 1 with LED 2 (with unshowned other electronic devices and components on the wiring board 5) fully hermetically.
This extrusion molding machine (or mould) and extrusion technology are known in the industry, give unnecessary details no longer in detail.
In addition, be ready for LED lamp band is carried out extrusion molding adhesive material to be used for extruding-out process, preferably can adopt PVC material, to weatherability and resistance to ag(e)ing requirement than higher LED lamp band application scenario, also can select the silica gel material for use.This type adhesive material not only can perform well in extrusion molding; The profile that adapts to LED lamp band well; But also have good thermal diffusivity, light transmission and weatherability; Be particularly suitable for wrapping up LED lamp band, and can guarantee the good light transmittance of LED lamp band, so the extrusion molding of this type of waterproof encapsulating material part does not influence the operate as normal of LED lamp.
Certainly, it will be understood by those skilled in the art that the adhesive material of this type extrusion molding also can be selected any other suitable LED lamp band adhesive material for use, be not limited to described in the specific embodiment.
Can adopt known traditionally various LED flexible light bands; After the SMT of the components and parts of accomplishing LED lamp band (comprising LED 2, resistance or the like) mounts; With LED lamp band with certain speed through extrusion molding machine or mould; Thereby accomplish the extrusion molding sealing adhesive process of sealing whole LED lamp band outer surface (termination that does not generally comprise LED lamp band); The extrusion molding part 1 of whole LED lamp band is sealed in formation, and the structure and the extrusion molding sealing adhesive process thereof of this extrusion molding part are that LED lamp band provides 360 ° of comprehensive protection, and then play the effect of waterproof and sealing.
Fig. 1 is the front schematic view according to the LED lamp strip assembly of accomplishing the extrusion molding sealing of the utility model one embodiment; Clearly illustrated the extrusion molding part 2 of the printing opacity of LED lamp band; (other electronic devices and components such as resistance or the like are not shown with LED 2 to be encapsulated in wherein FPC 5; But those skilled in the art obviously are appreciated that these components and parts and also will be sealed simultaneously), and the anti-hydraulic head 3 that is arranged on LED lamp end of tape.
Fig. 2 is the schematic sectional view along hatching A-A shown in Figure 1, has shown the cross-sectional structure according to the LED lamp strip assembly of the utility model.
As shown in Figure 2, can see that FPC 5 is wrapped in the extrusion molding part 1 with LED 2 (and unshowned other electronic devices and components that are installed on the wiring board 5) fully hermetically.
According to a specific embodiment, receive the restriction of expressing technique, possibly between encapsulate layer 1 and LED2, there is certain the air gap.
According to another specific embodiment; For balance processing technology difficulty and heat dispersion; Can adopt the expressing technique of fairly simple economy, make and between encapsulate layer 1 and FPC 5, do not leave the air gap, and between encapsulate layer 1 and LED2, still have certain the air gap.Like this, just combining closely between encapsulate layer 1 and the FPC 5 can be both guaranteed, and most heat dispersion can be guaranteed again.
According to another non-restrictive example, can make the gas gap of between encapsulate layer 1 and FPC 5, encapsulate layer 1, not leaving a blank.In this case, can after extruding processing technology, carry out encapsulating processing again, promptly adopt two procedures.
Although the profile of extrusion molding part 1 shown in Figure 1 is an arc,, those skilled in the art obviously is appreciated that; According to the needs of optical design or the needs of application scenario, extrusion molding part 1 can be made into any required shape, and for example cross section is square; Circular; Ellipse, polygon or the like, these all belong to the concept of the utility model.
The utility model has also been conceived the encapsulate structure of the joint area between LED lamp end of tape and the external wire.As shown in Figure 1, shown the anti-hydraulic head 3 that is positioned at LED lamp band one end, this anti-hydraulic head 3 is arranged on the joint between external wire 4 and the lamp end of tape just.
At the end of LED lamp strip assembly, generally be provided with lead pad, external wire 4 is drawn and is used to be connected to external power source from this lead pad, to be used to light LED lamp operate as normal.Joint intensity between the end of this external wire 4 and LED lamp strip assembly (specifically being lead pad) is lower; And be easier to take place seepage (because this position does not have the encapsulate structure 1 of extrusion molding); Thereby causing LED lamp band to occur connecting lead easily is easy to break, gets loose or seeps water into or the like; Causing can't operate as normal, perhaps can't be in the operate as normal enduringly of outdoor occasion for example.
Therefore; For waterproof effect more reliably is provided at this joint area; And, covering anti-hydraulic head 3 through the injection moulding mode at this joint area for the bonding strength between the end that further improves external wire 4 and LED lamp strip assembly, this anti-hydraulic head 3 is sealed this joint area hermetically; Promptly; Should anti-hydraulic head 3 on the one hand external wire 4 sealings of these joint area one sides of sealed envelope combine, this end of sealed envelope LED lamp strip assembly closely on the other hand, thus play the further effect of improving waterproof and bonding strength.
Although what Fig. 1 showed is should prevent hydraulic head 3 in the one end setting of LED lamp strip assembly,, those skilled in the art obviously understand easily, this anti-hydraulic head can all be set at the two ends of LED lamp strip assembly, thereby guarantee the full water resistance of product.
The LED lamp strip assembly of the extrusion molding sealing of the utility model is compared with the lamp band of prior art; Have handsome in appearance; Production efficiency is high, and anti-UV ability is strong, the characteristics that high low-temperature stability is strong; And can be widely used in the interior decoration illumination, like furred ceilings such as parlor, corridor, bedroom, profile, wall decoration illumination.
More than combine accompanying drawing and specific embodiment that the utility model has been carried out detailed description.But; Those skilled in the art are to be understood that; The above only is to illustrate and describe some specific embodiment, utilizes above embodiment only to be used for explaining the technical scheme of the utility model, therefore to the scope of the utility model; Especially the scope of claim does not have any restriction.The scope of the utility model is limited accompanying claims.

Claims (6)

1. the LED lamp strip assembly of an extrusion molding is characterized in that, comprising:
FPC (5) and be installed on the one or more LED (2) on the said FPC (5); With
The extrusion molding part (1) of extrusion molding on said FPC (5) and said one or more LED (2), wherein, said extrusion molding part (1) is sealed said FPC (5) and said one or more LED (2) with the mode of waterproof sealing.
2. LED lamp strip assembly according to claim 1 is characterized in that, said extrusion molding part (1) is the extrusion molding part (1) of printing opacity.
3. LED lamp strip assembly according to claim 2 is characterized in that, said extrusion molding part (1) is formed for the secondary optical lens of said LED (2).
4. LED lamp strip assembly according to claim 1 is characterized in that, said extrusion molding part (1) is processed by PVC material or silica gel.
5. LED lamp strip assembly according to claim 1 is characterized in that, is provided with anti-hydraulic head (3) at the end of said FPC (5) and the joint area between the external wire (4).
6. LED lamp strip assembly according to claim 1 is characterized in that, the interface locations between said extrusion molding part (1) and said one or more LED (2) exists the air gap or bubble.
CN201120268149XU 2011-07-27 2011-07-27 LED strip assembly formed by extrusion molding Expired - Fee Related CN202209571U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120268149XU CN202209571U (en) 2011-07-27 2011-07-27 LED strip assembly formed by extrusion molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120268149XU CN202209571U (en) 2011-07-27 2011-07-27 LED strip assembly formed by extrusion molding

Publications (1)

Publication Number Publication Date
CN202209571U true CN202209571U (en) 2012-05-02

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486268A (en) * 2011-07-27 2012-06-06 深圳市日上光电有限公司 Extrusion-molded LED (light emitting diode) lamp band component and method
CN109386758A (en) * 2018-09-11 2019-02-26 浙江凯耀照明股份有限公司 A kind of colourless LED light strip and preparation method thereof of floaing
WO2021243673A1 (en) * 2020-06-05 2021-12-09 Tridonic Gmbh & Co Kg Led lighting strip and the manufacturing system thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486268A (en) * 2011-07-27 2012-06-06 深圳市日上光电有限公司 Extrusion-molded LED (light emitting diode) lamp band component and method
CN109386758A (en) * 2018-09-11 2019-02-26 浙江凯耀照明股份有限公司 A kind of colourless LED light strip and preparation method thereof of floaing
WO2021243673A1 (en) * 2020-06-05 2021-12-09 Tridonic Gmbh & Co Kg Led lighting strip and the manufacturing system thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: RISHANG OPTOELECTRONICS CO., LTD.

Free format text: FORMER NAME: SHENZHEN RISHANG OPTO-ELECTRONICS CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 518108 Guangdong province Shenzhen City Road Baoan District Shiyan town Tangtou Hongfa Jia Terry hi tech Park Building 5 floor 2

Patentee after: Rishang Optoelectronics Co., Ltd.

Address before: 518108 Guangdong province Shenzhen City Road Baoan District Shiyan town Tangtou Hongfa Jia Terry hi tech Park Building 5 floor 2

Patentee before: Shenzhen Rishang Opto-Electronics Co.,Ltd.

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160115

Address after: 516081, No. three, No. 309, Longsheng Road, Dayawan Economic Development Zone, Huiyang District, Guangdong, Huizhou

Patentee after: Huizhou on the photoelectric Co., Ltd.

Address before: 518108 Guangdong province Shenzhen City Road Baoan District Shiyan town Tangtou Hongfa Jia Terry hi tech Park Building 5 floor 2

Patentee before: Rishang Optoelectronics Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120502

Termination date: 20170727

CF01 Termination of patent right due to non-payment of annual fee