CN102635831A - Open slot type LED (Light-emitting Diode) flexible neon lamp - Google Patents
Open slot type LED (Light-emitting Diode) flexible neon lamp Download PDFInfo
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- CN102635831A CN102635831A CN2012100879293A CN201210087929A CN102635831A CN 102635831 A CN102635831 A CN 102635831A CN 2012100879293 A CN2012100879293 A CN 2012100879293A CN 201210087929 A CN201210087929 A CN 201210087929A CN 102635831 A CN102635831 A CN 102635831A
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Abstract
The invention discloses an open slot type LED (Light-emitting Diode) flexible neon lamp comprising a banded flexible circuit board, LEDs arranged on the banded flexible circuit board and a covering layer arranged on the periphery of the banded flexible circuit board and the LEDs, wherein the banded flexible circuit board comprises a conducting region and a non-conducting region; the non-conducting region of the banded flexible circuit board is provided with an open slot and the open slot penetrates through the banded flexible circuit board; the open slot is arranged on the non-conducting region of the banded flexible circuit board and the banded flexible circuit board is separated from the adjacent conducting regions along the length direction, so that the stressing of each conducting region between the two adjacent LEDs is not influenced when the conducting region is bent and the stressing degree is greatly reduced when the conducting region is bent; on the other hand, the banded flexible circuit board between the two adjacent LEDs is placed in an arc shape and the circuit board has enough length to be stretched and bent when the circuit board is bent, so that the banded flexible circuit board can be prevented from breaking off a copper skin in a larger bending angle; and therefore, the quality of the finished LED neon lamp is guaranteed.
Description
Technical field
The present invention relates to a kind of decorative light device, relate in particular to a kind of open flume type LED flexible neon.
Background technology
Along with quickening of urbanization process, urban landscape decorative lighting has also obtained showing great attention to of people.The tradition neon light is owing to advantages such as light are evenly continuous, brightness is high, bright in luster; Ceng Guang receives people's favor; But principle and structure that it adopts are to excite the lazyness property gas luminescence in the glass tube with electrode; Have power consumption big, be prone to the broken defectives such as transportation installation, maintenance expense height of damaging, be difficult for, in electricity consumption big city in short supply, progressively limited the use of; On the other hand; Because LED has advantages such as energy-conserving and environment-protective, the life-span is long, color is various; Adopted LED also to obtain fast development in the last few years as the neon light of illuminating source, reached basically luminous evenly continuously, effect such as brightness height, and moulding arbitrarily; And cutting and receiving easily as required, be fit to very much the decoration in places such as building profile, advertising signboard, shop front.
Present LED neon lamp structure on the market generally is with the plurality of LEDs connection in series-parallel; Coat the flexible plastic layer that is used for waterproof and astigmatism effect in lamp string outside, adopt the electronics connecting line to be connected with this dual mode of banded flexible PCB between the LED usually, this dual mode respectively has its pluses and minuses: one, adopt the electronics connecting line to ensure the quality of products; Can not open circuit when making ready-made finished product LED neon light bend moulding; But what its adopted is manual welding, and with LED and the electronics line company of weldering mutually, production efficiency is low through manual; Certainly also there is correlation machine equipment can realize that the electronics connecting line is with the LED company of weldering mutually; But because technology is immature, picks out the LED lamp string that comes by machine welding and rosin joint, dry joint phenomenon can often occur, have a strong impact on the quality of product; Two, adopt banded flexible PCB to connect carrier as LED, LED selects adopting surface mounted LED for use, can LED directly be attached through machinery equipment to be welded on the banded flexible PCB; Be the SMT technology, can realize automated production in enormous quantities, enhance productivity; Reduce cost of labor, but, in production, packing, transportation installation process, can occur repeatedly bending because LEDD neon light lamp body becomes elongated shape; Especially be installed in uneven thing surface, during like spherome surface, lamp body can be presented down the bending of left and right sides angle simultaneously; Cause the conduction copper sheet fracture on the banded flexible PCB, one or more snippets does not work to cause the LED neon light, can't guarantee product quality.
Therefore, a kind ofly can enhance productivity, can guarantee again product quality, that the LED flexible neon that does not go wrong when installing in various profile surface has become market is required.
Summary of the invention
The object of the present invention is to provide a kind of bending moulding arbitrarily, safe and reliable open flume type LED flexible neon.
The present invention solves the technical scheme that its problem adopts:
A kind of open flume type LED flexible neon; Comprise banded flexible PCB; Be arranged at the LED on the banded flexible PCB, be arranged at the peripheral cover layer of banded flexible PCB and LED, said banded flexible PCB comprises conduction region and non-conductive district; The non-conductive district of said banded flexible PCB is provided with open slot, and said open slot is through banded flexible PCB.
Further, said open slot is arranged at the non-conductive district between adjacent two LEDs on the banded flexible PCB, and said open slot is elongated, and the quantity of open slot is more than one or one.
Further, multi-ribbon shape flexible PCB is arranged, multi-ribbon shape flexible PCB is coated in the cover layer.
Further, the conduction region edge is reserved with the non-conductive district of certain width, the short circuit to prevent the collision of adjacent two conduction copper sheets.
Further, it is the circuit board of white that said banded flexible PCB is selected surface color for use, so that reverberation better.
Further, said LED is adopting surface mounted LED or direct insertion LED.Be preferably adopting surface mounted LED.Adopt adopting surface mounted LED can adopt existing SMT inserted sheet technology, can realize mechanical automation production like this, improved productivity ratio greatly.
Further, said LED is monochromatic paster LED or RGB three primary colours paster LED, and said plurality of LEDs series connection forms a loop, the SMD current-limiting resistance of connecting at least in each loop.
Further, said cover layer comprises heart yearn, clad, astigmatism body; Said heart yearn is the rectangular strip body, is the strip shape body of rectangle by the cross section of a predetermined length of flexible plastic cement extrusion molding, and this heart yearn prolongs vertically the through hole that portion within it is provided with a rectangle, and said banded flexible PCB places in the through hole; Said clad is coated on outside the heart yearn by flexible plastic cement extrusion molding, with the heart yearn equal length; Said astigmatism body is arranged at above the clad of LED light emission direction, and cross section is the semicircle of a simulate neon light glass tubular, this astigmatism body and the extrusion molding of above-mentioned clad equal length one, with clad be an integral body.
Further, astigmatism body can be that milky is opaque but light penetrating object can be provided with longitudinal hole therebetween.
Further, in the left side wall or right side wall of said this heart yearn cross section, prolong and vertically be provided with at least 2 one metal wire twisted wires at interval in the upper and lower, this wire twisted wire longitudinal extension and heart yearn equal length.
Further, said heart yearn can be flexible PVC, soft silicon rubber by the soft plastic extrusion molding.
Further, the left side wall and/or the right side wall of said heart yearn inner rectangular longitudinal hole are provided with a step, and the heart yearn downside vertically cuts along center line, form the groove of the notch, and said banded flexible PCB is disposed into heart yearn from the groove of the notch, and places on the step.This design can be fixed banded flexible PCB better.
Further, be provided with baffle layer in the middle of the said heart yearn, heart yearn is provided with the groove of the notch corresponding to the opposite side of wire twisted wire, and said banded flexible PCB is disposed into heart yearn from the groove of the notch, and places on the baffle layer.
Further, the regular compartment of terrain of a sidewall that said heart yearn is positioned at the LED light-emitting area is provided with through hole, and LED places corresponding to through hole, and the shape of said through hole is corresponding with the specification shape of LED.This moment heart yearn can be transparent or opaque but printing opacity or opaque also lighttight.
Further, the spacing of above-mentioned adjacent two through holes is less than the distance of circuit board between adjacent two LEDs, and banded flexible PCB becomes arcuation to place in the heart yearn.Circuit board has enough length to stretch bending in bending, to prevent the circuit board fracture.
Further, every ribbon flexible PCB is in parallel through conductive lead wire and wire twisted wire.
Further, said multi-ribbon shape flexible PCB is in series, and the banded flexible PCB after the said series connection is in parallel through conductive lead wire and wire twisted wire.
Further, said clad dual-side or dual-side and base are provided with lighttight plastic layer, and said light tight plastic layer and clad equal length can be the white light tight plastic layers with reflection action, help increasing apparent brightness of the present invention like this.
The invention has the beneficial effects as follows: the present invention is owing to be provided with open slot in the non-conductive district of banded flexible PCB; Banded flexible PCB adjacent conductive district along its length separates; Thereby stressed being independent of each other when bending of each conduction region between the two adjacent LEDs; Significantly reduced the stressed degree of each conduction region when bending, and the conduction region edge is reserved with the non-conductive district of certain width, can prevents the collision of adjacent two conduction copper sheets and short circuit; On the other hand; Banded flexible PCB between the two adjacent LEDs is arch and places; Circuit board has enough length to stretch bending in bending; Therefore can prevent banded flexible PCB continuous copper sheet in, thereby guarantee the quality of finished product LED neon light than the macrobending angular range.
Description of drawings
Below in conjunction with accompanying drawing and instance the present invention is described further.
Fig. 1 is the stereogram of the banded flexible PCB of the present invention.
Fig. 2 is the vertical view of the banded flexible PCB of the present invention.
Fig. 3 is the perspective view of LED flexible neon of the present invention.
Fig. 4 is the enlarged drawing at Fig. 3 A place.
Fig. 5 is the stereogram of first embodiment of the invention heart yearn.
Fig. 6 is the longitdinal cross-section diagram of first embodiment of the invention.
Fig. 7 is the view in transverse section of first embodiment of the invention.
Fig. 8 is the view in transverse section of second embodiment of the invention.
Fig. 9 is the view in transverse section of third embodiment of the invention.
Figure 10 is the view in transverse section of fourth embodiment of the invention.
The specific embodiment
See figures.1.and.2; A kind of open flume type LED flexible neon of the present invention comprises banded flexible PCB 1, is arranged at the LED2 on the banded flexible PCB 1; Be arranged at banded flexible PCB 1 and the peripheral cover layer of LED2; Said banded flexible PCB 1 comprises conduction region and non-conductive district, and the non-conductive district of said banded flexible PCB 1 is provided with open slot 11, and said open slot 11 is through banded flexible PCB 1.
Said open slot 11 is arranged at the non-conductive district between adjacent two LEDs 2 on the banded flexible PCB 1, and said open slot 11 is elongated, and the quantity of open slot 11 is more than one or one.Can be provided with multi-ribbon shape flexible PCB 1 in the said cover layer, in series or in parallel with each other between said many FPCs.
The short circuit in order to prevent the collision of adjacent two conduction copper sheets, the conduction region edge is reserved with the non-conductive district of certain width.
It is the circuit board of white that said banded flexible PCB 1 is preferentially selected surface color for use, so that reflection ray better.
The LED2 that is arranged on the banded flexible PCB 1 can preferably adopt adopting surface mounted LED for SMD or direct insertion, adopts adopting surface mounted LED can adopt existing SMT inserted sheet technology, can realize mechanical automation production like this, has improved productivity ratio greatly.
Said LED2 can be monochromatic paster LED or RGB three primary colours paster LED, and said plurality of LEDs 2 series connection form a loop, the SMD current-limiting resistance of connecting at least in each loop.
With reference to Fig. 3 to Fig. 7, wherein Fig. 3 is the perspective view of LED2 flexible neon of the present invention, and Fig. 4 is the enlarged drawing at Fig. 3 A place.Said cover layer comprises heart yearn 3, clad 4, astigmatism body 5; Said heart yearn 3 is the rectangular strip body; Cross section by a predetermined length of flexible plastic cement extrusion molding is the strip shape body of rectangle; This heart yearn 3 prolongs the through hole that vertical portion within it is provided with a rectangle; Said banded flexible PCB 1 places in the through hole, and said heart yearn 3 can be flexible PVC, soft silicon rubber by the soft plastic extrusion molding; Said clad 4 is coated on outside the heart yearn 3 by flexible plastic cement extrusion molding, with heart yearn 3 equal lengths; Said astigmatism body 5 is arranged at above the clad 4 of LED2 light emission direction, and cross section is the semicircle of a simulate neon light glass tubular, this astigmatism body 5 and above-mentioned clad 4 equal length one extrusion moldings, with clad 4 be an integral body.
Wherein astigmatism body 5 can be that milky is opaque but light penetrating object can be provided with longitudinal hole 51 therebetween.
Further, with reference to Fig. 5, in the left side wall 31 or right side wall 32 of said these heart yearn 3 cross sections, prolong and vertically be provided with at least 2 one metal wire twisted wires 6 at interval in the upper and lower, these wire twisted wire 6 longitudinal extensions and heart yearn 3 equal lengths.Wire twisted wire 6 is provided with 4 among the embodiment.
With reference to Fig. 4 and Fig. 5, every ribbon flexible PCB 1 is in parallel through conductive lead wire and wire twisted wire 6.
Further, said multi-ribbon shape flexible PCB 1 is in series, and the banded flexible PCB 1 after the said series connection is in parallel through conductive lead wire and wire twisted wire 6.
Above-mentioned wire twisted wire should be electrically connected with the supply lines 7 of power supply, and on this electrical connecting position, a plastic shell is set, and is electrically connected in order to protect this, and promptly joint 8.
In order to improve luminous efficiency of the present invention and intensity of illumination, the LED driving element 9 of an injection mo(u)lding on power supply supply lines 7 can be set, as shown in Figure 3.This LED driving element 9 can be a signal controller, in order to the luminance of control LED, realizes effects such as flicker, variable color, colour mixture; Also can be the current conversion element of AC-DC, give the LED bulb powered, make the LED bulb luminous stable, flicker when avoiding the LED bulb luminous with DC current.
With reference to Fig. 5 and Fig. 6, the regular compartment of terrain of a sidewall that said heart yearn 3 is positioned at the LED2 light-emitting area is provided with through hole 35, and LED2 places corresponding to through hole 35, and the shape of said through hole 35 is corresponding with the specification shape of LED2.This moment heart yearn 3 can be transparent or opaque but printing opacity or opaque also lighttight.
The spacing of above-mentioned adjacent two through holes 35 is less than the distance of circuit board between adjacent two LEDs 2, and 1 one-tenth arcuation of banded flexible PCB places in the heart yearn 3.Circuit board has enough length to stretch bending in bending, to prevent the circuit board fracture.
With reference to Fig. 5-Fig. 7, the left side wall 31 of said heart yearn 3 inner rectangular longitudinal holes is provided with a step 33, and heart yearn 3 downsides vertically cut along center line, forms the groove of the notch 34, and said banded flexible PCB 1 disposes heart yearn 3 from the groove of the notch 34, and places on the step 33.This design can be fixed banded flexible PCB 1 better.
With reference to Fig. 8, as second kind of embodiment of heart yearn 3, said step 33 is arranged on the right side wall 32 of said heart yearn 3 inner rectangular longitudinal holes.
With reference to Fig. 9,, respectively be provided with a step 33 on the left side wall 31 of said heart yearn 3 inner rectangular longitudinal holes and the right side wall 32 as the third embodiment of heart yearn 3.
With reference to Figure 10; As the 4th kind of embodiment of heart yearn 3, be provided with baffle layer 36 in the middle of the said heart yearn 3, heart yearn 3 is provided with the groove of the notch 34 corresponding to the opposite side of wire twisted wire 6; Said banded flexible PCB 1 disposes heart yearn 3 from the groove of the notch 34, and places on the baffle layer 36.
Further; Said clad 4 dual-sides or dual-side and base are provided with lighttight plastic layer 41; Said light tight plastic layer 41 and clad 4 equal lengths can be the white light tight plastic layers 41 with reflection action, help increasing apparent brightness of the present invention like this.
The above is preferred embodiment of the present invention, and the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with equal means, all should belong to protection scope of the present invention.
Claims (10)
1. open flume type LED flexible neon; Comprise banded flexible PCB (1); Be arranged at the LED (2) on the banded flexible PCB (1), be arranged at the peripheral cover layer of banded flexible PCB (1) and LED (2), it is characterized in that: said banded flexible PCB (1) comprises conduction region and non-conductive district; The non-conductive district of said banded flexible PCB (1) is provided with open slot (11), and said open slot (11) is through banded flexible PCB (1).
2. a kind of open flume type LED flexible neon according to claim 1; It is characterized in that: said open slot (11) is arranged at the non-conductive district between last adjacent two LEDs of banded flexible PCB (1) (2); Said open slot (11) is elongated, and the quantity of open slot (11) is more than one or one.
3. a kind of open flume type LED flexible neon according to claim 1, it is characterized in that: said conduction region edge is reserved with the non-conductive district of certain width.
4. a kind of open flume type LED flexible neon according to claim 1 is characterized in that: said LED (2) is adopting surface mounted LED or direct insertion LED.
5. a kind of open flume type LED flexible neon according to claim 4; It is characterized in that: said LED (2) is monochromatic paster LED or RGB three primary colours paster LED; Said plurality of LEDs (2) series connection forms a loop, the SMD current-limiting resistance of connecting at least in each loop.
6. a kind of open flume type LED flexible neon according to claim 1 is characterized in that: said cover layer comprises heart yearn (3), clad (4), astigmatism body (5); Said heart yearn (3) is the rectangular strip body, is the strip shape body of rectangle by the cross section of a predetermined length of flexible plastic cement extrusion molding, and this heart yearn (3) prolongs vertically the through hole that portion within it is provided with a rectangle, and said banded flexible PCB (1) places in the through hole; In the left side wall (31) or right side wall (32) of said this heart yearn (3) cross section, prolong and vertically be provided with at least 2 one metal wire twisted wires (6) at interval in the upper and lower, this wire twisted wire (6) longitudinal extension and heart yearn (3) equal length; Said clad (4) is coated on outside the heart yearn (3) by flexible plastic cement extrusion molding, with heart yearn (3) equal length; Said astigmatism body (5) is arranged at above the clad (4) of LED (2) light emission direction, and cross section is the semicircle of a simulate neon light glass tubular, this astigmatism body (5) and the extrusion molding of above-mentioned clad (4) equal length one, with clad (4) be an integral body.
7. a kind of open flume type LED flexible neon according to claim 6; It is characterized in that: the left side wall (31) and/or the right side wall (32) of said heart yearn (3) inner rectangular longitudinal hole are provided with a step (33); Heart yearn (3) downside vertically cuts along center line; Form the groove of the notch (34), said banded flexible PCB (1) disposes heart yearn (3) from the groove of the notch (34), and places on the step (33).
8. a kind of open flume type LED flexible neon according to claim 6; It is characterized in that: be provided with baffle layer (36) in the middle of the said heart yearn (3); Heart yearn (3) is provided with the groove of the notch (34) corresponding to the opposite side of wire twisted wire (6); Said banded flexible PCB (1) disposes heart yearn (3) from the groove of the notch (34), and places on the baffle layer (36).
9. according to the arbitrary described a kind of open flume type LED flexible neon of claim 6-8; It is characterized in that: the regular compartment of terrain of a sidewall that said heart yearn (3) is positioned at LED (2) light-emitting area is provided with through hole (35); LED (2) places corresponding to through hole (35), and the shape of said through hole (35) is corresponding with the specification shape of LED (2).
10. a kind of open flume type LED flexible neon according to claim 9 is characterized in that: the spacing of above-mentioned adjacent two through holes (35) is less than the distance of circuit board between adjacent two LEDs (2), and banded flexible PCB (1) becomes arcuation to place in the heart yearn (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087929.3A CN102635831B (en) | 2012-03-23 | 2012-03-23 | Open slot type LED (Light-emitting Diode) flexible neon lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087929.3A CN102635831B (en) | 2012-03-23 | 2012-03-23 | Open slot type LED (Light-emitting Diode) flexible neon lamp |
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| Publication Number | Publication Date |
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| CN102635831A true CN102635831A (en) | 2012-08-15 |
| CN102635831B CN102635831B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210087929.3A Active CN102635831B (en) | 2012-03-23 | 2012-03-23 | Open slot type LED (Light-emitting Diode) flexible neon lamp |
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Cited By (7)
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| CN102798026A (en) * | 2012-08-17 | 2012-11-28 | 中山市科顺分析测试技术有限公司 | Hose lamp |
| WO2017084014A1 (en) * | 2015-11-16 | 2017-05-26 | 深圳市洛书和科技发展有限公司 | Flexible electrically-conductive connector and modularized electronic circuit |
| CN107559647A (en) * | 2017-08-22 | 2018-01-09 | 广东欧曼科技股份有限公司 | A kind of manufacture craft for being used to make LED |
| WO2018086181A1 (en) * | 2016-11-11 | 2018-05-17 | 江苏飞天照明有限公司 | Injection-moulded waterproof lamp with horizontal-bulb led chip |
| CN109686759A (en) * | 2018-12-05 | 2019-04-26 | 武汉华星光电半导体显示技术有限公司 | Display screen component |
| US10845013B2 (en) | 2018-10-03 | 2020-11-24 | Vista Manufacturing Inc | Flexible light assembly |
| US10923542B2 (en) | 2018-12-05 | 2021-02-16 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display screen assembly having a flexible circuit board with curved portions |
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| CN110792941A (en) * | 2019-11-13 | 2020-02-14 | 惠州市科利尔照明有限责任公司 | LED lamp strip capable of being bent in multiple directions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102798026A (en) * | 2012-08-17 | 2012-11-28 | 中山市科顺分析测试技术有限公司 | Hose lamp |
| WO2017084014A1 (en) * | 2015-11-16 | 2017-05-26 | 深圳市洛书和科技发展有限公司 | Flexible electrically-conductive connector and modularized electronic circuit |
| WO2018086181A1 (en) * | 2016-11-11 | 2018-05-17 | 江苏飞天照明有限公司 | Injection-moulded waterproof lamp with horizontal-bulb led chip |
| CN107559647A (en) * | 2017-08-22 | 2018-01-09 | 广东欧曼科技股份有限公司 | A kind of manufacture craft for being used to make LED |
| US10845013B2 (en) | 2018-10-03 | 2020-11-24 | Vista Manufacturing Inc | Flexible light assembly |
| CN109686759A (en) * | 2018-12-05 | 2019-04-26 | 武汉华星光电半导体显示技术有限公司 | Display screen component |
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| US10923542B2 (en) | 2018-12-05 | 2021-02-16 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display screen assembly having a flexible circuit board with curved portions |
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Effective date of registration: 20190620 Address after: 529728 43rd Floor, 301 Xianghe Road, Gonghe Town, Heshan City, Guangdong Province Patentee after: Guangdong Tongfang Lighting Co., Ltd. Address before: Building H, 326 Xianghe Road, Gonghe Town, Heshan City, Guangdong Province, 529728 Patentee before: Neo-Neon LED Lighting International Ltd. |