CN214381563U - LED flexible circuit board - Google Patents
LED flexible circuit board Download PDFInfo
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- CN214381563U CN214381563U CN202120361704.7U CN202120361704U CN214381563U CN 214381563 U CN214381563 U CN 214381563U CN 202120361704 U CN202120361704 U CN 202120361704U CN 214381563 U CN214381563 U CN 214381563U
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- led
- electrode pin
- circuit board
- flexible circuit
- foil layer
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Abstract
The utility model discloses a LED flexible circuit board, which comprises a metal foil layer and a covering layer, wherein the covering layer is provided with a window for welding an LED element, the metal foil layer forms an LED circuit, a positive electrode pin and a negative electrode pin of the LED circuit are extended from the end part of the metal foil layer, by the scheme, because the positive electrode pin and the negative electrode pin are extended from the end part of the LED flexible circuit board, when the flexible LED lamp strip is assembled by using the LED flexible circuit board, the positive electrode pin and the negative electrode pin can be respectively fixed on the corresponding wires of the wire array through connecting conductors, and two adjacent LED flexible circuit boards can be connected through the connecting conductors, the LED flexible circuit board has simple structure, the electric connection of the LED flexible circuit board, the connecting conductors and the wire array in the flexible LED lamp strip can be realized without welding, the damage of the LED flexible circuit board caused by high temperature operation when in welding is avoided, and the connection mode is simple and convenient, and the production efficiency of assembling the flexible LED lamp strip can be improved.
Description
Technical Field
The utility model relates to a LED flexible line way board.
Background
The existing flexible LED lamp strip comprises a wire array, a plurality of flexible circuit board units and a coating layer, wherein the wire array comprises two flat wires which are arranged side by side at intervals; the flexible circuit board units are arranged along the length direction of the lead array, each flexible circuit board unit is printed with an LED circuit, the front side of each flexible circuit board unit is welded with a plurality of LED elements, the back side of each flexible circuit board unit faces the lead array, the end part of each flexible circuit board unit is provided with a positive electrode welding spot and a negative electrode welding spot of the LED circuit, and the positive electrode welding spot and the negative electrode welding spot are welded and fixed on the corresponding flat leads; the coating covers the lead array, the flexible circuit board units and the LED elements.
In order to reach better light effect, the flexible LED lamp strips of multiple different colours are often required to be connected with each other, and the connection mode of two current independent flexible LED lamp strips is as follows: be equipped with the shearing position that can supply the shearing between two adjacent flexible circuit board units, be equipped with connecting conductor on shearing the position, connecting conductor's both ends welded fastening respectively is on two adjacent flexible circuit board units, and connecting conductor's both ends respectively with these two adjacent flexible circuit board unit electric connection, earlier the length of flexible circuit board unit as required during the use, shear the position, arrange a plurality of independent flexible LED lamp area bodies after shearing, insert respectively with the both ends of contact pin and make two flexible LED lamp area body electricity connect in the hollow post of two adjacent flexible LED lamp area bodies.
However, the flexible LED strip structure has the following disadvantages: because a plurality of flexible circuit board unit is with just through the welded mode, negative pole solder joint welded fastening is on corresponding flat wire, the both ends difference welded fastening of connecting conductor is on two adjacent flexible circuit board units, this flexible LED lamp area is all accomplished through the welding mode when production promptly, because need the high temperature operation during welding, make flexible circuit board unit receive high temperature easily and harm, and the welded mode is troublesome, it is complicated, make production efficiency low, in addition, because flat wire is thinner, along with the distortion that turns in lamp area, flat wire breaks easily with solder joint junction, the lamp area consequently becomes the waste product easily.
Disclosure of Invention
The utility model provides a LED flexible line way board for when solving among the prior art in equipment flexible LED lamp area, flexible line way board unit, wire array and connecting conductor all connect through the welding mode, need high temperature operation when owing to the welding, make flexible line way board unit receive high temperature easily and influence impaired, and the welded mode is troublesome, complicated, make the technical problem that production efficiency hangs down.
The technical scheme of the utility model is realized like this:
the utility model provides a pair of LED flexible line way board, including metal foil layer and the overburden that covers on metal foil layer surface, the window that is used for welding the LED component is offered on the overburden surface, and metal foil layer forms the LED circuit, and extends the positive electrode pin and the negative electrode pin of LED circuit at the tip on metal foil layer.
Preferably, the positive electrode pin and the negative electrode pin are distributed at the end part of the metal foil layer on the same side.
Preferably, a positive electrode pin and a negative electrode pin of the LED circuit extend from both ends of the metal foil layer.
Preferably, the positive electrode lead and the negative electrode lead are integrally manufactured with the metal foil layer.
Preferably, the positive electrode pin and the negative electrode pin are made of metal foil layers through etching processing.
Preferably, a reinforcing layer is provided on the surface of the positive electrode lead and the negative electrode lead.
Preferably, the stiffening layer is a tin foil layer.
Compared with the prior art, the utility model, the beneficial effects reside in that:
according to the scheme, the positive electrode pin and the negative electrode pin extend out of the end part of the LED flexible circuit board, so that when the LED flexible circuit board is used for assembling the flexible LED lamp strip, the positive electrode pin and the negative electrode pin can be respectively fixed on the corresponding leads of the lead array through the connecting conductors; in addition, because the positive electrode pin and the negative electrode pin extend from the two end parts of the LED flexible circuit board, a plurality of LED flexible circuit boards can be arranged along the length direction of the LED flexible circuit boards, and two adjacent LED flexible circuit boards can be connected through the connecting conductor, the LED flexible circuit board has a simple structure, the LED flexible circuit boards, the connecting conductor and the wire array in the flexible LED lamp strip can be electrically connected without adopting a welding mode, and the wires are not easy to break at the connecting parts of the flexible circuit board units and the connecting conductor, so that the LED flexible circuit board is prevented from being easily damaged due to high-temperature influence caused by high-temperature operation during welding; in addition, the positive electrode pin and the negative electrode pin are obtained by etching the metal foil layer, namely the positive electrode pin and the negative electrode pin are not connected with the LED flexible circuit board in a welding mode, so that the integrity of the LED flexible circuit board is good, the connection between the positive electrode pin and the LED flexible circuit board and the connection between the negative electrode pin and the LED flexible circuit board can be more stable and are not easy to cut off, a welding process is omitted, the production efficiency can be effectively improved, and the production cost is reduced.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of an LED flexible circuit board provided by the present invention;
fig. 2 is an exploded schematic view of the LED flexible printed circuit provided by the present invention;
fig. 3 is a schematic view of an assembly structure of the flexible LED strip provided by the present invention;
fig. 4 is the utility model provides a structural schematic diagram of another state in flexible LED lamp area.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment provides an LED flexible circuit board, which includes a metal foil layer 1 and a covering layer 2 covering a surface of the metal foil layer 1, a window 21 for welding an LED element 4 is formed on the surface of the covering layer 2, the metal foil layer 1 forms an LED circuit, and a positive electrode pin 11 and a negative electrode pin 12 of the LED circuit extend from an end of the metal foil layer 1, in the present embodiment, the metal foil layer 1 is a copper foil layer with good conductivity, and the metal foil layer 1 is the copper foil layer 1.
Through the scheme, because the end part of the LED flexible circuit board extends out of the positive electrode pin 11 and the negative electrode pin 12, when the flexible LED lamp strip 10 is assembled by using the LED flexible circuit board 20, the positive electrode pin 12 and the negative electrode pin 12 can be respectively fixed on the corresponding leads 61 of the lead array 6 through the connecting conductor 5 with the clamping claw part 51 in a crimping mode; in addition, because the positive electrode pin 11 and the negative electrode pin 12 extend from the two end parts of the LED flexible circuit board, a plurality of LED flexible circuit boards can be arranged along the length direction of the LED flexible circuit boards, and two adjacent LED flexible circuit boards can be connected through the connecting conductor (refer to fig. 3), the LED flexible circuit board has a simple structure, the electric connection of the LED flexible circuit boards, the connecting conductor and the wire array in the flexible LED lamp strip can be realized without adopting a welding mode, the LED flexible circuit boards are prevented from being damaged easily due to high temperature caused by high-temperature operation during welding, the connecting mode of the scheme is simple and convenient, and the production efficiency of assembling the flexible LED lamp strip can be improved; in addition, a shearing opening is not required to be reserved on the LED flexible circuit board during production, so that the processing procedures are reduced, and the processing time is saved; in addition, the positive electrode pin 11 and the negative electrode pin 12 are obtained by etching the copper foil layer 1, namely the positive electrode pin 11 and the negative electrode pin 12 are not connected with the LED flexible circuit board in a welding mode, so that the LED flexible circuit board is good in integrity, the positive electrode pin 11 and the negative electrode pin 12 can be connected with the LED flexible circuit board more stably and are not easy to break, a welding process is omitted, the production efficiency can be effectively improved, and the production cost is reduced.
The positive electrode pin 11 and the negative electrode pin 12 are distributed at the end part of the copper foil layer 1 at the same side, so that the design is reasonable, and the two adjacent LED flexible circuit boards can be conveniently connected with each other.
The positive electrode pin 11 and the negative electrode pin 12 of the LED circuit are extended from the two end portions of the copper foil layer 1, so that the two adjacent LED flexible circuit boards are conveniently connected, and the side-by-side connection of the LED flexible circuit boards is conveniently realized when the flexible LED lamp strip is assembled.
The positive electrode pin 11 and the negative electrode pin 12 are integrally manufactured with the copper foil layer 1, and particularly, the positive electrode pin 11 and the negative electrode pin 12 are obtained by etching the copper foil layer 1, so that the process is mature, and the manufacture is convenient.
The reinforcing layers 3 are arranged on the surfaces of the positive electrode pin 11 and the negative electrode pin 12, the positive electrode pin 11 and the negative electrode pin 12 are made of copper foil layers 1 through etching processing, the copper foil layers 1 are ultrathin due to the thickness, the positive electrode pin 11 and the negative electrode pin 12 are easy to break, and the reinforcing layers 3 are arranged on the positive electrode pin 11 and the negative electrode pin 12 and used for reinforcing the strength of the positive electrode pin 11 and the negative electrode pin 12 so as to prevent the positive electrode pin 11 and the negative electrode pin 12 from being easy to break during connection and assembly.
The reinforcing layer 3 is a tin foil layer, and tin has good conductivity, good fusion weldability and good weldability, and is more easily pasted on the copper foil layer 1.
The cover layer 2 is generally made of an insulating material, including an insulating type paint.
As shown in fig. 4, when the LED flexible printed circuit board is manufactured, circuit board protruding portions with LED elements may be further designed at two end portions of the LED flexible printed circuit board, the circuit board protruding portions are located between the positive electrode pins 11 and the negative electrode pins 12, and the protruding length of the circuit board protruding portions shown in fig. 4 is half of the length of the pins. Of course, in other embodiments, the protruding length of the circuit board protrusion may not be limited by the length of the pin.
The metal foil layer 1 of the present invention is not limited to the copper foil layer in the above embodiments, and may be other metal conductors such as aluminum foil.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a LED flexible line way board, includes metal foil layer (1) and overburden (2) of covering on metal foil layer (1) surface, and window (21) that are used for welding LED component (4) are offered on overburden (2) surface, its characterized in that: the metal foil layer (1) forms an LED circuit, and a positive electrode pin (11) and a negative electrode pin (12) of the LED circuit extend out of the end part of the metal foil layer (1).
2. The LED flexible wiring board of claim 1, wherein: the positive electrode pin (11) and the negative electrode pin (12) are distributed at the end part of the metal foil layer (1) at the same side.
3. The LED flexible wiring board of claim 2, wherein: and a positive electrode pin (11) and a negative electrode pin (12) of the LED circuit extend out of two end parts of the metal foil layer (1).
4. The LED flexible wiring board of claim 1, 2 or 3, wherein: the positive electrode lead (11) and the negative electrode lead (12) are integrally manufactured with the metal foil layer (1).
5. The LED flexible circuit board of claim 4, wherein: the positive electrode pin (11) and the negative electrode pin (12) are formed by etching the metal foil layer (1).
6. The LED flexible wiring board of claim 5, wherein: a reinforcing layer (3) is provided on the surface of the positive electrode lead (11) and the negative electrode lead (12).
7. The LED flexible wiring board of claim 6, wherein: the reinforcing layer (3) is a tin foil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120361704.7U CN214381563U (en) | 2021-02-09 | 2021-02-09 | LED flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120361704.7U CN214381563U (en) | 2021-02-09 | 2021-02-09 | LED flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214381563U true CN214381563U (en) | 2021-10-08 |
Family
ID=77965571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120361704.7U Active CN214381563U (en) | 2021-02-09 | 2021-02-09 | LED flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214381563U (en) |
-
2021
- 2021-02-09 CN CN202120361704.7U patent/CN214381563U/en active Active
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