CN214046164U - Double-color switching flexible circuit board and lamp strip thereof - Google Patents

Double-color switching flexible circuit board and lamp strip thereof Download PDF

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Publication number
CN214046164U
CN214046164U CN202023206506.8U CN202023206506U CN214046164U CN 214046164 U CN214046164 U CN 214046164U CN 202023206506 U CN202023206506 U CN 202023206506U CN 214046164 U CN214046164 U CN 214046164U
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lamp bead
metal sheet
pad
lamp
electrode
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罗绍静
李定国
卢欣欣
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Guangdong Shunde Siry Technology Co ltd
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Guangdong Shunde Siry Technology Co ltd
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Abstract

The utility model relates to the field of lamp belts, in particular to a double-color switching flexible circuit board and a lamp belt thereof, which are used for solving the problems of complex design and high cost of the double-color lamp belt flexible circuit board in the prior art; the utility model provides a double-color switching flexible circuit board, which comprises a top insulating film layer, a top conducting circuit layer, an insulating base layer, a bottom conducting circuit layer and a bottom insulating film layer which are sequentially arranged from top to bottom; a plurality of groups of lamp bead pad units connected in series or a plurality of groups of lamp bead pad units and resistance pad units connected in series are arranged in the top insulating film layer; the lamp bead pad unit comprises a first lamp bead pad and a second lamp bead pad which are connected in parallel, and the positive and negative directions of the first lamp bead pad and the second lamp bead pad are opposite; the utility model discloses a lamp pearl of different colours is welded respectively to the positive reverse design of parallelly connected pad on positive, reverse pad to and the cooperation that the positive negative pole of power switched, realize the switching of two kinds of colour lamp pearls, simple structure.

Description

Double-color switching flexible circuit board and lamp strip thereof
Technical Field
The utility model relates to a lamp area field, more specifically relates to a double-colored switching flexible circuit board and lamp area thereof.
Background
The LED lamp strip is characterized in that an LED lamp bead is welded on a flexible circuit substrate in a welding mode, and then an external core wire is connected to a power supply to enable the LED lamp bead to be electrified and emit light.
Because the LED lamp strip has long service life, is energy-saving and environment-friendly, the corner of the head is gradually exposed in various decoration industries. However, the general LED lamp strip has too single function and only has a single color temperature mode, and has great limitation in the practical application process.
Although some existing double-color LED lamp belts can realize switching of two color temperatures, the overall structure design of a flexible circuit board on the LED lamp belt is too complex, and the overall cost of the double-color LED lamp belt is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming above-mentioned prior art's at least one defect (not enough), provide a double-colored switching flexible circuit board for it is complicated, problem with high costs to solve prior art double-colored lamp area flexible circuit board design.
Another object of the utility model is to provide a double-colored switching lamp area.
The utility model adopts the technical scheme that the flexible circuit board comprises a top insulating film layer, a top conductive circuit layer, an insulating base layer, a bottom conductive circuit layer and a bottom insulating film layer which are sequentially arranged from top to bottom; a plurality of groups of lamp bead pad units connected in series or a plurality of groups of lamp bead pad units and resistance pad units connected in series are arranged in the top insulating film layer; the lamp bead pad unit comprises a first lamp bead pad and a second lamp bead pad which are connected in parallel, and the positive and negative directions of the first lamp bead pad and the second lamp bead pad are opposite.
In the utility model, two first lamp bead bonding pads and two second lamp bead bonding pads with opposite positive and negative directions are connected in parallel in the top insulating film layer, and only one of the first lamp bead bonding pad and the second lamp bead bonding pad can be conducted during power-on, so that the lamp beads welded on the first lamp bead bonding pad and the second lamp bead bonding pad can emit light; the lamp bead bonding pad units which are connected with the first lamp bead bonding pad and the second lamp bead bonding pad in parallel are connected in series, the red lamp beads are welded on the first lamp bead bonding pad, the blue lamp beads are welded on the second lamp bead bonding pad, and the red lamp beads and the blue lamp beads alternately emit light by controlling the switching of the positive electrode and the negative electrode of a power supply; in a similar way, the lamp beads with other colors can be welded on the first lamp bead bonding pad and the second lamp bead bonding pad, and the lamp beads are designed according to actual requirements.
Preferably, a plurality of groups of resistance pad units are arranged in the top insulating film layer and are connected with the lamp bead pad units in series; under the rated voltage of the power supply, the resistor can be matched with the lamp beads to share the voltage, so that the voltages at two ends of the lamp beads reach the rated voltage of the normal work of the lamp beads.
Furthermore, the top conducting circuit layer comprises electrode metal sheets on two sides and a plurality of Z-shaped metal sheets arranged between the electrode metal sheets and overlapped from left to right; the electrode metal sheets on the two sides are linear; the Z-shaped metal sheet comprises an upper end part, a lower end part and a connecting part for connecting the upper end part and the lower end part; the lower end part of the previous Z-shaped metal sheet corresponds to the upper end part of the next Z-shaped metal sheet; the upper end part of the leftmost Z-shaped metal sheet corresponds to the left electrode metal sheet part, and the rear end part of the rightmost Z-shaped metal sheet corresponds to the right electrode metal sheet part; after the top insulating film layer is attached to the top conductive circuit layer, a first lamp bead pad and a second lamp bead pad in the same lamp bead pad unit fall on the upper end part of the Z-shaped metal sheet and the corresponding part of the left electrode metal sheet corresponding to the upper end part or fall on the lower end part of the Z-shaped metal sheet and the corresponding part of the right electrode metal sheet corresponding to the lower end part or fall on the lower end part of the previous Z-shaped metal sheet and the upper end part of the next Z-shaped metal sheet; the extreme left end of left side electrode sheetmetal is equipped with at least one electrode hole, the extreme right end of right side electrode sheetmetal is equipped with at least one electrode hole, the electrode hole runs through the corresponding part of insulating base.
The top conducting circuit layer comprises electrode metal sheets on two sides and a plurality of Z-shaped metal sheets arranged between the electrode metal sheets and overlapped from left to right; the electrode metal sheet is provided with an electrode hole, the electrode hole penetrates through the corresponding part of the insulating base layer, the top conducting circuit layer is conducted with the bottom conducting circuit layer through soldering tin in the electrode hole, and current flows through the Z-shaped metal sheet from one side of the electrode metal sheet and finally reaches the other side of the electrode metal sheet to form a loop.
The Z-shaped metal sheet comprises an upper end part, a lower end part and a connecting part for connecting the upper end part and the lower end part; the lower end part of the previous Z-shaped metal sheet corresponds to the upper end part of the next Z-shaped metal sheet; the upper end part of the leftmost Z-shaped metal sheet corresponds to the left electrode metal sheet part, and the lower end part of the rightmost Z-shaped metal sheet corresponds to the right electrode metal sheet part; when the top insulating film layer is attached to the top conducting circuit layer, a first lamp bead pad and a second lamp bead pad in the same lamp bead pad unit fall on the upper end portion of the Z-shaped metal sheet and the corresponding portion of the corresponding left electrode metal sheet or fall on the lower end portion of the Z-shaped metal sheet and the corresponding portion of the corresponding right electrode metal sheet.
The middle part of the conductive circuit layer is designed into a structure with a plurality of Z-shaped metal sheets superposed and is divided into an upper end part, a lower end part and a connecting part for connecting the upper end part and the lower end part; the upper end parts and the lower end parts of the left and right Z-shaped metal sheets are spliced in a corresponding mode, the part, corresponding to each upper end part and each lower end part, of each upper end part just corresponds to each lamp bead pad unit on the top insulating film layer, so that a first lamp bead pad and a second lamp bead pad in the same lamp bead pad unit are in parallel connection, and all the lamp bead pad units connected in parallel are connected in series through the connecting parts. And parts of the electrode metal sheets on the two sides also correspond to the upper end part or the lower end part of the Z-shaped metal sheet, and the corresponding parts just correspond to the lamp bead pad units on the two sides of the top insulating film layer. The lamp beads with different colors are welded on the first lamp bead welding disc and the second lamp bead welding disc respectively, and the lamp beads with different colors are alternately luminous through switching of the anode and the cathode of the power supply.
Furthermore, a first metal sheet and a second metal sheet are arranged between two adjacent Z-shaped metal sheets; the first metal sheet and the second metal sheet are linear; the first metal sheet corresponds to a lower end portion of the Z-shaped metal sheet, and the second metal sheet corresponds to an upper end portion of the Z-shaped metal sheet; the first metal sheet partially corresponds to the second metal sheet; when the top insulating film layer is attached to the top conducting circuit layer, a first lamp bead pad and a second lamp bead pad in the same lamp bead pad unit fall on the upper end portion of the Z-shaped metal sheet and the corresponding portion of the corresponding second metal sheet or fall on the lower end portion of the Z-shaped metal sheet and the corresponding portion of the corresponding first metal sheet, and the resistance pad unit falls on the corresponding portion of the first metal sheet and the corresponding portion of the second metal sheet.
Set up first sheetmetal and second sheetmetal between two adjacent Z shape sheetmetals, can add resistive element to match the voltage of lamp pearl, improve the life of lamp pearl.
Furthermore, the electrode metal sheet, the Z-shaped metal sheet, the first metal sheet and the second metal layer are all round corners.
Still further, the connecting portion is arranged obliquely.
No matter the corners of the electrode metal sheet, the Z-shaped metal sheet, the first metal sheet and the second metal layer are set to be round corners or the connecting parts of the Z-shaped metal sheet are set to be obliquely arranged, redundant metal rim charge in the top conducting circuit layer is conveniently torn off in the production process; in the production process, the raw material that top conducting wire led is a smooth sheetmetal, and through cutting on the sheetmetal, unnecessary metal rim charge links together, can get rid of unnecessary metal rim charge through once tearing off, and the slope design of fillet design and connecting portion is being torn off the in-process and is being difficult to relatively tearing off, improves the efficiency of tearing off greatly.
Furthermore, electrode holes are formed in the positions of the first lamp bead bonding pad and the second lamp bead bonding pad on the electrode metal sheet and penetrate through the corresponding parts of the insulating base layer.
The electrode hole can communicate top conducting wire layer and bottom conducting wire layer through soldering tin, but the rosin joint phenomenon can appear in the soldering tin in electrode hole occasionally, and the electrode hole has been seted up in first lamp pearl pad and second lamp pearl pad place on the electrode metal sheet, can add many passageways and communicate top conducting wire layer and bottom conducting wire layer, can effectively avoid the unable circumstances that communicates in top conducting wire layer and bottom conducting wire layer.
The utility model provides a lamp area is switched to double-colored, includes as above-mentioned double-colored switch flexible circuit board, the lamp pearl unit of welding on lamp pearl pad unit and the resistance unit of welding on resistance pad unit.
The lamp beads with different colors are welded through the first lamp bead bonding pad and the second lamp bead bonding pad which correspond to the double-color switching flexible circuit board, and the lamp beads with different colors can be alternately emitted through the switching of the anode and the cathode of the power supply.
Further, the lamp bead unit comprises a first color lamp bead welded on the first lamp bead bonding pad and a second color lamp bead welded on the second lamp bead bonding pad, and the first color lamp bead and the second color lamp bead are both single-light-emitting chip lamp beads.
The single-light-emitting chip lamp bead can only emit light with a single color, and the first lamp bead bonding pad and the second lamp bead bonding pad which are packaged respectively realize the alternate light emission of the lamp strip with the lamp beads with different colors under the switching of the power supply electrodes.
Further, the lamp bead unit comprises a first color lamp bead welded on the first lamp bead bonding pad and a second color lamp bead welded on the second lamp bead bonding pad, and the first color lamp bead and the second color lamp bead are double-light-emitting chip lamp beads and are same color chips.
The double-light-emitting chip lamp beads are welded on the first lamp bead bonding pad and the second lamp bead bonding pad respectively, are chips with the same color, have higher light-emitting brightness than the single-light-emitting chip lamp beads, and emit light simultaneously by the double-light-emitting chips.
Furthermore, the lamp bead unit is a double-light-emitting chip lamp bead, and the first lamp bead bonding pad and the second lamp bead bonding pad are packaged together; the light colors emitted by the two light-emitting chips in the double-light-emitting chip lamp bead are different.
Through with first lamp pearl pad and second lamp pearl pad encapsulation together, the parallelly connected two luminescence chip lamp pearls that the welding has four pins also can realize the switching of double-colored lamp pearl.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a structural design of double-colored switching flexible circuit board is comparatively simple, through the forward reverse design of parallelly connected pad, welds the lamp pearl of different colours respectively on forward, reverse pad to and the cooperation that the positive negative pole of power switched, realize the switching of two kinds of colour lamp pearls.
Drawings
Fig. 1 is a top view of the utility model discloses embodiment 1 top insulation rete and the laminating back of top conducting wire layer.
Fig. 2 is a top view of the embodiment 2 of the present invention after the top insulating film layer and the top conductive circuit layer are laminated.
Fig. 3 is the layer structure diagram of the cross section of the lamp strip of the utility model.
Fig. 4 is a structural diagram of the Z-shaped metal sheet of the present invention.
Fig. 5 is a structural layout diagram of a bottom conductive line layer.
100 parts of a top insulating film layer, 110 parts of lamp bead bonding pads, 111 parts of first lamp bead bonding pads, 112 parts of second lamp bead bonding pads and 120 parts of resistance bonding pads; a top conductive circuit layer-200, an electrode metal sheet-210, an electrode hole-211, a Z-shaped metal sheet-220, an upper end-221, a connecting part-222, a lower end-223, a first metal sheet-230 and a second metal sheet-240; an insulation base layer-300; bottom conductive trace layer-400, bottom first metal layer-410, bottom second metal layer-420; bottom insulating film layer-500.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 2 and 3, a dual color switching flexible circuit board includes a top insulating film layer 100, a top conductive trace layer 200, an insulating base layer 300, a bottom conductive trace layer 400, and a bottom insulating film layer 500, which are sequentially disposed from top to bottom; a plurality of groups of lamp bead pad units 110 connected in series are arranged in the top insulating film layer 100; first lamp pearl pad 111 and second lamp pearl pad 112 including parallelly connected in the lamp pearl pad unit 110, first lamp pearl pad 111 is opposite with the positive negative pole direction of second lamp pearl pad 112.
In this embodiment, in the top insulating film layer 100, two first lamp bead pads 111 and two second lamp bead pads 112 with opposite anode and cathode directions are connected in parallel, and when the power is turned on, only one of the first lamp bead pads 111 and the second lamp bead pads 112 can be conducted, so that the lamp beads welded thereon emit light; the lamp bead pad units 110 which are connected with the first lamp bead pad 111 and the second lamp bead pad 112 in parallel are connected in series, the red lamp beads are welded on the first lamp bead pad 111, the blue lamp beads are welded on the second lamp bead pad 112, and the red lamp beads and the blue lamp beads alternately emit light by controlling the switching of the positive pole and the negative pole of a power supply; the lamp beads on the first lamp bead bonding pad 111 and the second lamp bead bonding pad 112 alternately emit light, and lamp beads with different colors can be welded according to actual needs.
In this embodiment, as shown in fig. 2, the top conductive trace layer 200 includes electrode metal sheets 210 on two sides and a plurality of Z-shaped metal sheets 220 disposed between the electrode metal sheets 210 and stacked from left to right; the electrode metal sheets 210 on both sides are linear; as shown in fig. 4, the Z-shaped metal sheet 220 includes an upper end 221, a lower end 223, and a connecting portion 222 connecting the upper end 221 and the lower end 223; the lower end 223 of the previous Z-shaped metal sheet 220 corresponds to the upper end 221 of the next Z-shaped metal sheet 220; the upper end 221 of the leftmost Z-shaped metal piece 220 corresponds to the left electrode metal piece 210, and the rear end of the rightmost Z-shaped metal piece 220 corresponds to the right electrode metal piece 210; after the top insulating film layer 100 is attached to the top conductive circuit layer 200, the first bead pad 111 and the second bead pad 112 in the same bead pad unit 110 fall on the upper end 221 of the Z-shaped metal sheet 220 and the corresponding portion of the left electrode metal sheet 210 corresponding thereto, or fall on the lower end 223 of the Z-shaped metal sheet 220 and the corresponding portion of the right electrode metal sheet 210 corresponding thereto, or fall on the lower end 223 of the previous Z-shaped metal sheet 220 and the upper end of the next Z-shaped metal sheet 220; the leftmost end of left side electrode sheetmetal 210 is equipped with 2 electrode holes 211, the rightmost end of right side electrode sheetmetal 210 is equipped with 2 electrode holes 211, electrode hole 211 runs through the corresponding part of insulating base layer 300.
As shown in fig. 4, when the bottom first metal layer 410 is connected to the negative electrode and the bottom second metal layer 420 is connected to the positive electrode, as shown in fig. 1, the left electrode metal sheet 210 is connected to the bottom second metal layer 420 through the electrode hole 211, and the current flows from the left electrode metal sheet 210 through the combination of the plurality of groups of Z-shaped metal sheets 220, the first metal sheet 230, and the second metal sheet 240 and then is connected to the bottom first metal layer 410 through the electrode hole 211 on the right electrode metal sheet 210, thereby forming a loop.
In the present embodiment, as shown in fig. 2, the corners of the electrode metal sheet 210, the Z-shaped metal sheet 220, the first metal sheet 230 and the second metal layer are rounded; as required in fig. 4, the connecting portions 222 of the Z-shaped metal sheets 220 are arranged obliquely. The electrode metal sheet 210, the Z-shaped metal sheet 220, the first metal sheet 230 and the second metal layer are arranged in a round angle or the connecting part 222 of the Z-shaped metal sheet 220 is arranged in an inclined manner, so that redundant metal rim charge in the top conductive circuit layer 200 can be torn off in the production process; in the production process, the raw material that top conducting wire led is a smooth sheetmetal, and through cutting on the sheetmetal, unnecessary metal rim charge links together, can get rid of unnecessary metal rim charge through once tearing off, and fillet design and connecting portion 222's slope design are tearing off the in-process and are difficult to tear relatively, improve the efficiency of tearing off greatly.
In this embodiment, as shown in fig. 2, electrode holes 211 are formed at positions of the first bead pad 111 and the second bead pad 112 on the electrode metal sheet 210, and penetrate through corresponding portions of the insulating base layer 300.
Electrode hole 211 can communicate top conducting wire layer 200 and bottom conducting wire layer 400 through soldering tin, but the rosin joint phenomenon can appear in some cases to electrode hole 211's soldering tin, and electrode hole 211 has been seted up in first lamp pearl pad 111 and second lamp pearl pad 112 place on electrode sheetmetal 210, can add many passageways and communicate top conducting wire layer 200 and bottom conducting wire layer 400, can effectively avoid the unable circumstances that communicates in top conducting wire layer 200 and bottom conducting wire layer.
The lamp bead unit is welded on the lamp bead pad unit 110 of the double-color switching flexible circuit board to form a lamp strip.
Specifically, the lamp bead unit may include a first color lamp bead and a second color lamp bead, the first color lamp bead is welded on the first lamp bead pad 111, and the second color lamp bead is welded on the second lamp bead pad 112; the first color lamp beads and the second color lamp beads are single light-emitting chip lamp beads; the first lamp bead welding disc 111 and the second lamp bead welding disc which are packaged respectively realize the alternate lighting of the lamp beads with different colors under the switching of the power supply electrodes.
Specifically, in order to improve the brightness of the light beads, the light bead unit may include a first color light bead and a second color light bead, the first color light bead is welded on the first light bead pad 111, and the second color light bead is welded on the second light bead pad 112; the first color lamp beads and the second color lamp beads are double-light-emitting chip lamp beads, the double-light-emitting chips emit light of the same color, and when the lamp is powered on, the two light-emitting chips emit light simultaneously, so that the light-emitting brightness is improved.
Specifically, the lamp bead unit may also be a dual light emitting chip lamp bead, and the first lamp bead pad 111 and the second lamp bead pad 112 are packaged together; the light colors emitted by the two light-emitting chips in the double-light-emitting chip lamp bead are different. Through encapsulating first lamp pearl pad 111 and second lamp pearl pad 112 together, the parallelly connected two luminescence chip lamp pearls that the welding has four pins also can realize the switching of double-colored lamp pearl.
Example 2
As shown in fig. 1 and 3, a dual color switching flexible circuit board includes a top insulating film layer 100, a top conductive trace layer 200, an insulating base layer 300, a bottom conductive trace layer 400, and a bottom insulating film layer 500, which are sequentially disposed from top to bottom; a plurality of groups of lamp bead pad units 110 and resistance pad units 120 which are connected together in series are arranged in the top insulating film layer 100; first lamp pearl pad 111 and second lamp pearl pad 112 including parallelly connected in the lamp pearl pad unit 110, first lamp pearl pad 111 is opposite with the positive negative pole direction of second lamp pearl pad 112.
In this embodiment, in the top insulating film layer 100, two first lamp bead pads 111 and two second lamp bead pads 112 with opposite anode and cathode directions are connected in parallel, and when the power is turned on, only one of the first lamp bead pads 111 and the second lamp bead pads 112 can be conducted, so that the lamp beads welded thereon emit light; the lamp bead pad units 110 which are connected with the first lamp bead pad 111 and the second lamp bead pad 112 in parallel are connected in series, the red lamp beads are welded on the first lamp bead pad 111, the blue lamp beads are welded on the second lamp bead pad 112, and the red lamp beads and the blue lamp beads alternately emit light by controlling the switching of the positive pole and the negative pole of a power supply; the lamp beads on the first lamp bead bonding pad 111 and the second lamp bead bonding pad 112 alternately emit light, and lamp beads with different colors can be welded according to actual needs.
In this embodiment, in the top insulating film layer 100, one group of resistance pad units 120 is connected in series in each two groups of bead pad units 110; under the rated voltage of the power supply, the resistor can be matched with the lamp beads to share the voltage, so that the voltages at two ends of the lamp beads reach the rated voltage of the normal work of the lamp beads.
In this embodiment, the top conductive trace layer 200 includes electrode metal sheets 210 on two sides and a plurality of Z-shaped metal sheets 220 stacked from left to right and disposed between the electrode metal sheets 210; the Z-shaped metal sheet 220 includes an upper end 221, a lower end 223, and a connecting portion 222 connecting the upper end 221 and the lower end 223; a first metal sheet 230 and a second metal sheet 240 are further arranged between two adjacent Z-shaped metal sheets 220; the first metal sheet 230 and the second metal sheet 240 are linear; after the top insulating film layer 100 is attached to the top conductive trace layer 200, the first metal sheet 230 corresponds to a lower end 223 of the Z-shaped metal sheet 220, and the second metal sheet 240 corresponds to an upper end 221 of the Z-shaped metal sheet 220; the first metal sheet 230 corresponds to the second metal sheet 240 in part; the upper end 221 of the leftmost Z-shaped metal piece 220 corresponds to the left electrode metal piece 210, and the rear end of the rightmost Z-shaped metal piece 220 corresponds to the right electrode metal piece 210; the resistance pad unit 120 is located at corresponding portions of the first metal sheet 230 and the second metal sheet 240.
In this embodiment, the resistance pad unit 120 is added to embodiment 1, and the first metal sheet 230 and the second metal sheet 240 have the same technical content.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A double-color switching flexible circuit board comprises a top insulating film layer, a top conducting circuit layer, an insulating base layer, a bottom conducting circuit layer and a bottom insulating film layer which are sequentially arranged from top to bottom, and is characterized in that multiple groups of lamp bead pad units which are connected in series or multiple groups of lamp bead pad units and resistor pad units which are connected in series are arranged in the top insulating film layer; the lamp bead pad unit comprises a first lamp bead pad and a second lamp bead pad which are connected in parallel, and the positive and negative directions of the first lamp bead pad and the second lamp bead pad are opposite.
2. The dual color switching flexible circuit board according to claim 1, wherein the top conductive trace layer comprises electrode metal sheets on two sides and a plurality of Z-shaped metal sheets arranged between the electrode metal sheets and overlapped from left to right; the electrode metal sheets on the two sides are linear; the Z-shaped metal sheet comprises an upper end part, a lower end part and a connecting part for connecting the upper end part and the lower end part; the lower end part of the previous Z-shaped metal sheet corresponds to the upper end part of the next Z-shaped metal sheet; the upper end part of the Z-shaped metal sheet at the leftmost side corresponds to the left electrode metal sheet part, and the lower end part of the Z-shaped metal sheet at the rightmost side corresponds to the right electrode metal sheet part; after the top insulating film layer is attached to the top conductive circuit layer, a first lamp bead pad and a second lamp bead pad in the same lamp bead pad unit fall on the upper end part of the Z-shaped metal sheet and the corresponding part of the corresponding left electrode metal sheet, or fall on the lower end part of the Z-shaped metal sheet and the corresponding part of the corresponding right electrode metal sheet, or fall on the lower end part of the previous Z-shaped metal sheet and the upper end part of the next Z-shaped metal sheet; the extreme left end of left side electrode sheetmetal is equipped with at least one electrode hole, the extreme right end of right side electrode sheetmetal is equipped with at least one electrode hole, the electrode hole runs through the corresponding part of insulating base.
3. The dual color switching flexible circuit board of claim 2, wherein a first metal sheet and a second metal sheet are further disposed between two adjacent Z-shaped metal sheets; the first metal sheet and the second metal sheet are linear; the first metal sheet corresponds to a lower end portion of the Z-shaped metal sheet, and the second metal sheet corresponds to an upper end portion of the Z-shaped metal sheet; the first metal sheet partially corresponds to the second metal sheet; when the top insulating film layer is attached to the top conducting circuit layer, a first lamp bead pad and a second lamp bead pad in the lamp bead pad unit are located at the upper end of the Z-shaped metal sheet and the corresponding part of the corresponding second metal sheet or at the lower end of the Z-shaped metal sheet and the corresponding part of the corresponding first metal sheet, and the resistor pad unit is located at the corresponding part of the first metal sheet and the second metal sheet.
4. The dual color switching flexible circuit board of claim 2, wherein the electrode metal sheet, the Z-shaped metal sheet, the first metal sheet and the second metal layer have rounded corners.
5. The dual color switching flexible circuit board of claim 2, wherein the connecting portion is arranged obliquely.
6. The dual-color switching flexible circuit board of claim 2, wherein the electrode metal sheet has electrode holes at positions of the first bead pad and the second bead pad, and the electrode holes penetrate through corresponding portions of the insulating base layer.
7. A dual color switching light strip, comprising the dual color switching flexible circuit board as claimed in any one of claims 1 to 6, a lamp bead unit soldered on the lamp bead pad unit, and a resistor unit soldered on the resistor pad unit.
8. The double-color switching lamp strip according to claim 7, wherein the lamp bead unit comprises a first color lamp bead welded on a first lamp bead pad and a second color lamp bead welded on a second lamp bead pad, and the first color lamp bead and the second color lamp bead are both single-light-emitting chip lamp beads.
9. The double-color switching lamp strip according to claim 7, wherein the lamp bead unit comprises a first color lamp bead welded on a first lamp bead pad and a second color lamp bead welded on a second lamp bead pad, the first color lamp bead and the second color lamp bead are double-light-emitting chip lamp beads, and are of the same color chip.
10. A dual color switching light strip according to claim 7, wherein said light bead unit is a dual light emitting chip light bead, said first light bead pad and second light bead pad being encapsulated together; the light colors emitted by the two light-emitting chips in the double-light-emitting chip lamp bead are different.
CN202023206506.8U 2020-12-25 2020-12-25 Double-color switching flexible circuit board and lamp strip thereof Active CN214046164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023206506.8U CN214046164U (en) 2020-12-25 2020-12-25 Double-color switching flexible circuit board and lamp strip thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023206506.8U CN214046164U (en) 2020-12-25 2020-12-25 Double-color switching flexible circuit board and lamp strip thereof

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Publication Number Publication Date
CN214046164U true CN214046164U (en) 2021-08-24

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CN202023206506.8U Active CN214046164U (en) 2020-12-25 2020-12-25 Double-color switching flexible circuit board and lamp strip thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114513895A (en) * 2022-03-08 2022-05-17 江门市东达丰照明科技有限公司 High-density arranged flexible circuit board, lamp strip thereof and die cutting tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114513895A (en) * 2022-03-08 2022-05-17 江门市东达丰照明科技有限公司 High-density arranged flexible circuit board, lamp strip thereof and die cutting tool
CN114513895B (en) * 2022-03-08 2023-09-22 江门市东达丰照明科技有限公司 High-density-arrangement flexible circuit board, lamp strip thereof and die cutting tool

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