CN214890631U

CN214890631U - Flexible LED lamp strip with turnover marks

Info

Publication number: CN214890631U
Application number: CN202121375803.7U
Authority: CN
Inventors: 文应武; 赵秀成; 文勇
Original assignee: Zhongshan Mlight Photoelectric Co ltd
Current assignee: Zhongshan Mlight Photoelectric Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-26
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a flexible LED lamp strip with a turnover mark, which comprises a flexible circuit board and LED lamp beads, wherein a boundary mark is arranged on the flexible circuit board, the boundary mark extends along the length direction of the flexible circuit board, and divides the flexible circuit board into a first area and a second area, an LED circuit is printed in the first area, a lead is printed in the second area, and the LED circuit is electrically connected with the lead; the flexible circuit board can be folded along the boundary mark, so that the first area and the second area are stacked; the LED lamp beads are welded on the first area; during production, the flexible circuit board is turned over along the boundary mark and then wrapped with the coating layer, so that the width of the flexible circuit board can be effectively controlled on the premise of ensuring the normal use of the flexible LED lamp strip, and the volume of the coating layer is reduced as much as possible, thereby reducing the manufacturing cost of the flexible LED lamp strip; in addition, the flexible circuit board is simple in structure, simple in process, convenient to manufacture and low in manufacturing cost.

Description

Flexible LED lamp strip with turnover marks

Technical Field

The utility model relates to a flexible LED lamp area of a sign is rolled over in area.

Background

The flexible LED lamp strip is an LED light-emitting product which is assembled by using an FPC (flexible printed circuit) as an assembling circuit board and using a SMD LED, the thickness of the product is about that of one coin, and the flexible LED lamp strip does not occupy space. In recent years, the flexible LED strip is popular among people because of its advantages of being able to be bent freely without breaking, easy to be formed, long in service life (generally, the normal service life is 8 to 10 ten thousand hours), green and environment-friendly; along with the technical innovation of the LED lamp, the color gamut of the existing LED lamp is more, more and more colorful and various, so that more and more people design the existing flexible LED lamp strip into the multi-color flexible LED lamp strip so as to meet the requirements of users on light with different colors.

As shown in fig. 1 to 3, the existing multi-color flexible LED strip includes a flexible circuit board 1A and a coating layer 2A, a plurality of LED circuits are printed on the flexible circuit board, so that the flexible LED strip can be divided into a plurality of units to facilitate the cutting of the flexible LED strip in the later use, a plurality of LED beads 3A are welded on each LED circuit on the front surface of the flexible circuit board, the plurality of LED beads 3A are arranged at intervals along the length direction of the flexible circuit board 1A, the LED beads 3A are RGB beads, a plurality of wires 4A are respectively arranged on the front surface of the flexible circuit board and on two sides of the plurality of LED beads 3A, the plurality of wires 4A include three phase wires L and a zero wire N, the three phase wires L and the zero wire N are respectively electrically connected with each LED circuit to form a loop, the coating layer 2A extends along the length direction of the flexible circuit board 1A to coat the flexible circuit board 1A and the plurality of LED beads 3A, because this phase line L and zero line N are as the bus, the electric current of passing through is great, therefore, phase line L and zero line N need design relatively broad, in order to ensure also can normal use under the circumstances of heavy current, but because many wires and the design of a plurality of LED lamp pearl 3A side by side and the width of wire is relatively broad, make the flexible circuit board width also need widen like this, in order to ensure the normal use in flexible LED lamp area, such design need increase the width of coating 2A, because the rising of raw and other materials price now, if widening coating 2A, then can improve the quantity of raw and other materials, thereby improve the manufacturing cost in flexible LED lamp area.

In order to solve the problem that the width of the flexible circuit board is widened to increase the consumption of the coating layer 2A, so that the manufacturing cost is increased, a double-layer circuit board structure can be adopted to avoid the problem that the width of the flexible circuit board needs to be widened, but the manufacturing cost of the circuit board is high due to the fact that the double-layer manufacturing process is complex, and the manufacturing cost of the flexible LED lamp strip can be increased due to the fact that the cost of raw materials can be saved.

Disclosure of Invention

The utility model provides a simple structure, simple, the low in manufacturing cost's of manufacturing process flexible LED lamp area.

The technical scheme of the utility model is realized like this:

the utility model aims at providing a flexible LED lamp area of folding sign in area, including flexible circuit board and the welding LED lamp pearl that sets up a plurality of intervals on the flexible circuit board be provided with the boundary sign on the flexible circuit board, the boundary sign extends along the length direction of flexible circuit board, and will the flexible circuit board divides into first region and second region, first region printing has the LED circuit, second region printing has the wire, the LED circuit with the wire electricity is connected; the flexible circuit board can be folded along the boundary mark, so that the first area and the second area are stacked; the LED lamp beads are welded on the first area.

Preferably, the flexible circuit board comprises an insulating layer and a circuit layer adhered to one side of the insulating layer, and when the flexible circuit board is folded along the boundary mark, the insulating layer of the first area and the insulating layer of the second area are arranged oppositely.

Preferably, the LED circuit includes a plurality of circuit printing regions arranged along a length direction, and a cutting position is left on the flexible circuit board in two adjacent circuit printing regions, so that the two adjacent circuit printing regions can be cut and separated along the cutting position.

Preferably, still include the coating, this coating extends along the length direction of flexible circuit board, coats flexible circuit board and LED lamp pearl.

Preferably, the demarcation is identified as a straight line.

Preferably, the boundary marks a discontinuous score line.

Preferably, the LED lamp beads are RGB lamp beads.

Preferably, the lead comprises three phase lines L and a zero line N, the three phase lines L and the zero line N extend along the length direction of the flexible circuit board and are arranged in parallel, and the three phase lines L and the zero line N are respectively electrically connected with each LED circuit and form a loop.

Compared with the prior art, the utility model, the beneficial effects reside in that:

through the structure, when the flexible LED lamp strip is produced, the flexible circuit board is turned over along the boundary mark, and then the flexible circuit board is wrapped with the coating layer, so that the width of the flexible circuit board can be effectively controlled on the premise of ensuring the normal use of the flexible LED lamp strip, the volume of the coating layer is reduced as much as possible, the situation that the volume of the coating layer needs to be increased due to the widening of the width of the flexible circuit board when the multicolor flexible LED lamp strip is manufactured is avoided, the use amount of raw materials for manufacturing the coating layer can be reduced as much as possible by using the structure of the flexible circuit board, the use amount of the raw materials of the coating layer can be effectively and reasonably controlled, the control on the raw material cost of the coating layer is achieved, the control on the manufacturing cost of the flexible LED lamp strip is facilitated, and the increase of the manufacturing cost of the flexible LED lamp strip is effectively avoided; in addition, the flexible circuit board is simple in structure, simple in process and convenient to manufacture, the manufacturing cost of the flexible circuit board is low, and the manufacturing cost of the flexible LED lamp strip can be effectively controlled.

Drawings

Fig. 1 is a schematic perspective view of a flexible LED strip provided in the prior art;

fig. 2 is an exploded schematic view of a flexible LED strip provided in the prior art;

fig. 3 is a schematic diagram of a circuit structure of a flexible LED strip provided in the prior art;

fig. 4 is a schematic perspective view of a three-dimensional structure of a flexible LED strip according to a first embodiment of the present invention;

fig. 5 is an exploded schematic view of a flexible LED light strip according to a first embodiment of the present invention;

fig. 6 is a schematic view of a three-dimensional structure of a folded flexible LED strip according to a first embodiment of the present invention;

fig. 7 is a left side view structural schematic diagram of the flexible LED strip provided in fig. 6;

fig. 8 is a schematic perspective view (with a cladding layer) of the folded flexible LED strip provided in fig. 6;

fig. 9 is a schematic circuit structure diagram of a flexible LED strip according to a first embodiment of the present invention;

fig. 10 is a schematic perspective view of a flexible LED strip provided in the second embodiment of the present invention;

fig. 11 is an exploded schematic view of a flexible LED light strip provided by the embodiment of the present invention.

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.

The first embodiment is as follows:

as shown in fig. 4 to 8, the flexible LED light strip with the turnover mark provided in this embodiment includes a flexible circuit board 1, a coating layer 7, and a plurality of LED lamp beads 2 welded on the flexible circuit board 1 at intervals, a boundary mark 3 is provided on the flexible circuit board 1, the boundary mark 3 extends along the length direction of the flexible circuit board 1, and divides the flexible circuit board 1 into a first area 4 and a second area 5, an LED circuit is printed on the first area 4, a lead 8 is printed or attached on the second area 5, and the LED circuit is electrically connected to the lead 8; the flexible circuit board 1 can be folded along the boundary mark 3, so that the first area 4 and the second area 5 are stacked; the LED lamp beads 2 are welded on the first area 4; the coating layer 7 extends along the length direction of the flexible circuit board 1 to coat the flexible circuit board 1 and the LED lamp beads 2; preferably, the demarcation indicia 3 is a straight line; .

Through the structure, during production, the flexible circuit board 1 is turned over along the boundary mark 3, and then the flexible circuit board is wrapped by the coating layer 7, so that the width of the flexible circuit board 1 can be effectively controlled on the premise of ensuring the normal use of the flexible LED lamp strip, the volume of the coating layer 7 is reduced as much as possible, the situation that the volume of the coating layer 7 needs to be increased due to the widening of the width of the flexible circuit board 1 when the multicolor flexible LED lamp strip is manufactured is avoided, the use amount of raw materials for manufacturing the coating layer 7 can be reduced as much as possible by using the structure of the flexible circuit board 1, the use amount of the raw materials of the coating layer 7 can be effectively and reasonably controlled, the control on the raw material cost of the coating layer is achieved, the control on the manufacturing cost of the flexible LED lamp strip is facilitated, and the increase of the manufacturing cost of the flexible LED lamp strip is effectively avoided; moreover, the flexible circuit board 1 is simple in structure, simple in process and convenient to manufacture, so that the manufacturing cost of the flexible circuit board 1 is low, and the manufacturing cost of the flexible LED lamp strip can be effectively controlled; in addition, the wires and the LED circuits are respectively arranged in the second area 5 and the first area 4, the layout of the circuits can be reasonably arranged, and the flexible circuit board 1 can be turned over, so that the width of the turned-over flexible circuit board 1 cannot be obviously increased even if the width of each wire in the wire array 8 is increased, the upper limit value of the current of the wire flowing through can be increased due to the increase of the width of the wire, the flexible LED lamp strip can normally work even if the flexible LED lamp strip is connected into a circuit with high current, and the use safety of the lamp strip can be improved.

The flexible circuit board 1 comprises an insulating layer 11 and a circuit layer 12 bonded on one surface of the insulating layer 11, when the flexible circuit board 1 is turned over along the boundary mark 3, the insulating layer 11 of the first area 4 and the insulating layer 11 of the second area 5 are arranged oppositely, so that after the flexible circuit board 1 is turned over, insulation is ensured between the first area 4 and the second area 5, and the flexible LED lamp strip is safer to use.

As shown in fig. 9, a plurality of LED lamp beads 2 are welded on the LED circuit, the plurality of LED lamp beads 2 are connected in series, in this embodiment, the LED lamp beads 2 are RGB lamp beads, a plurality of light emitting diodes 21 are arranged in the RGB lamp beads, the plurality of light emitting diodes 21 are divided into R, G, B three light emitting diode arrays arranged in parallel, the LED circuit includes a plurality of circuit printing regions 41 arranged along the length direction, two adjacent circuit printing regions 41 leave a cutting position 6 on the flexible circuit board 1, so that two adjacent circuit printing regions 41 can be cut and separated along the cutting position 6, the cutting position 6 can be a discontinuous score line, and with such a design, a user can freely select the length of the lamp strip when using the lamp strip, and the design is more humanized.

Specifically, the wire 8 includes three phase lines L and a zero line N, and three phase lines L and a zero line N extend along the length direction of the flexible circuit board 1 and are arranged side by side, and three phase lines L and a zero line N are respectively electrically connected with each LED circuit and form a loop, the wire 8 may be an etched copper wire, specifically, each phase line L is electrically connected with one of the LED arrays through an etched copper branch line, and the three parallel LED arrays converge and then pass through an etched copper branch line zero line N to form a loop.

Example two:

as shown in fig. 10 and 11, in this embodiment, the boundary mark 3 is improved on the basis of the first embodiment, in this embodiment, the boundary mark 3 is an intermittent score line, and the boundary mark 3 is designed to be a relatively straight line in the intermittent score line design, so that the flexible circuit board 1 can be more easily turned over, and the phenomena that the flexible circuit board 1 after being turned over is uneven and the first region 4 and the second region 5 are asymmetric can also be effectively avoided, which is more beneficial to realizing the production and manufacturing of the flexible LED strip.

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

1. The utility model provides a flexible LED lamp area of a sign is turned over in area, includes flexible circuit board (1) and welding LED lamp pearl (2) that a plurality of intervals on flexible circuit board (1) set up, its characterized in that: the flexible printed circuit board is characterized in that a boundary mark (3) is arranged on the flexible printed circuit board (1), the boundary mark (3) extends along the length direction of the flexible printed circuit board (1) and divides the flexible printed circuit board (1) into a first area (4) and a second area (5), an LED circuit is printed on the first area (4), a lead (8) is printed or attached on the second area (5), and the LED circuit is electrically connected with the lead (8); the flexible circuit board (1) can be folded along the boundary mark (3) so that the first area (4) and the second area (5) are stacked; the LED lamp beads (2) are welded on the first area (4).

2. The flexible LED strip with the turnover mark of claim 1, wherein: the flexible circuit board (1) comprises an insulating layer (11) and a circuit layer (12) adhered to one side of the insulating layer (11), and when the flexible circuit board (1) is folded along the boundary mark (3), the insulating layer (11) of the first area (4) and the insulating layer (11) of the second area (5) are arranged oppositely.

3. The flexible LED strip with the turnover mark of claim 1, wherein: the LED circuit comprises a plurality of circuit printing areas (41) which are arranged along the length direction, and a cutting position (6) is reserved on the flexible circuit board (1) in two adjacent circuit printing areas (41), so that the two adjacent circuit printing areas (41) can be cut and separated along the cutting position (6).

4. A flexible LED strip with turnover marks according to claim 1, 2 or 3, characterized in that: still include coating (7), this coating (7) extend along the length direction of flexible circuit board (1), with flexible circuit board (1) and LED lamp pearl (2) cladding.

5. A flexible LED strip with a turnover mark according to claim 4, characterized in that: the boundary mark (3) is a straight line.

6. A flexible LED strip with a turnover mark according to claim 4, characterized in that: the boundary mark (3) is an intermittent score line.

7. A flexible LED strip with a turnover mark according to claim 4, characterized in that: the LED lamp beads (2) are RGB lamp beads.

8. A flexible LED strip with a turnover mark according to claim 7, characterized in that: the wire (8) comprises three phase lines L and a zero line N, the three phase lines L and the zero line N extend along the length direction of the flexible circuit board (1) and are arranged in parallel, and the three phase lines L and the zero line N are respectively electrically connected with each LED circuit and form a loop.