Flexible LED lamp strip

Abstract

The utility model relates to a flexible LED lamp strip which comprises a long-strip-shaped insulating soft film, first wires and a plurality of LED lamp beads are arranged on the surface of one side of the insulating soft film in the length direction, the number of the first wires is two, and the LED lamp beads are all located between the two first wires. Two second wires and a third wire are arranged on the surface of the other side of the insulating soft film in the length direction, the second wires are arranged side by side in the width direction of the insulating soft film, the third wire is located between the two second wires, the first wire and the second wires are both conducted with one pin end of the LED lamp bead, and the third wire is conducted with the other pin end of the LED lamp bead; the LED lamp strip is simple in overall structure and convenient to machine and manufacture, the two first wires are arranged on the two sides of the insulating soft film, the effect of connecting wires can be achieved, meanwhile, the effect of enhancing the overall strength of the structure can be achieved, the situation that the lamp strip is disconnected after the first wire on any side is broken can be prevented, and the service life of the LED lamp strip is prolonged. And the reliability of the lamp strip is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamps, in particular to a flexible LED lamp belt. Background Art

[0002] LED flexible light strip, also known as flexible neon tube, is the latest and most popular LED breakthrough product in recent years. It is designed to make up for the shortcomings of glass neon tube and optical fiber, and thus completely replace them. Flexible LED light strip uses FPC as assembly circuit board and SMD LED for assembly, so that the thickness of the product is only the thickness of a coin, which does not take up space; the general specifications are 30cm long 18 LEDs, 24 LEDs and 50cm long 15 LEDs, 24 LEDs, 30 LEDs, etc., as well as 60cm, 80cm, etc. Different users have different specifications; and it can be cut or extended at will without affecting the light emission; and FPC is soft and can be bent, folded, and wound at will, and can be moved and stretched in three-dimensional space without breaking; it is suitable for use in irregular places and places with small spaces, and because it can be bent and wound at will, it is suitable for any combination of various patterns in advertising decoration.

[0003] When existing LED flexible light strips are bent or twisted, the thin sheet-like wires may be damaged, causing poor contact or direct circuit breakage, thereby causing light strip failure. There is a need for a high-reliability flexible light strip that can better avoid damage during bending or twisting. Utility Model Content

[0004] The purpose of the utility model is to provide a flexible LED light belt to address the deficiencies in the prior art, and the flexible LED light belt can well solve the above-mentioned problems.

[0005] In order to achieve the above requirements, the technical solution adopted by the utility model to solve its technical problems is:

[0006] A flexible LED light strip is provided, comprising an insulating soft film in the shape of a long strip, wherein a first wire and a plurality of LED lamp beads are arranged on one side surface of the insulating soft film along the length direction, wherein two first wires are provided and are connected to each other, and the plurality of LED lamp beads are all located between the two first wires; a second wire and a third wire are provided on the other side surface of the insulating soft film along the length direction, wherein two second wires are provided and are arranged side by side along the width direction of the insulating soft film, and the third wire is located between the two second wires, wherein the first wire and the second wire are both connected to one pin end of the LED lamp bead, and the third wire is connected to the other pin end of the LED lamp bead.

[0007] In the flexible LED light strip described in the utility model, a thickened portion is provided on the third conductive wire corresponding to the LED lamp bead, and the projection of the LED lamp bead toward the third conductive wire is located within the area surrounded by the edge of the thickened portion.

[0008] In the flexible LED light strip described in the utility model, the projection is square, and the width of the third wire is the same as the width of the projection.

[0009] In the flexible LED light strip described in the utility model, solder is provided on the third guide corresponding to the projection, and the solder forms the thickened portion.

[0010] The flexible LED light strip described in the utility model, wherein the plurality of LED lamp beads are divided into a plurality of light-emitting units in sequence, the light-emitting units include at least N LED lamp beads, and the N LED lamp beads are connected in series in sequence; one end of the light-emitting unit is connected to the first wire, and the other end is connected to the third wire; wherein N is a positive integer greater than 1.

[0011] The flexible LED light strip described in the utility model, wherein a conductive convex contact is provided on the second wire at a position between two adjacent light-emitting units, two convex contacts are provided corresponding to the two second wires, the two convex contacts form a contact unit, and two contact units are provided and arranged side by side along the length direction of the second wire.

[0012] The flexible LED light strip described in the utility model, wherein a connecting portion is provided on the first conductive wire at a position between two adjacent light-emitting units, the two first conductive wires are connected and conducted through the connecting portion, and the two contact units are respectively located on both sides of the connecting portion.

[0013] The flexible LED light strip of the utility model, wherein the insulating soft film is provided with a first through hole penetrating through the front and rear sides, and the first through hole is located at one end of the light emitting unit that is in conduction with the third wire.

[0014] The flexible LED light strip described in the utility model, wherein the insulating soft film is further provided with a second through hole running through the front and back, the second through hole is located between the first wire and the second wire, and a plurality of the second through holes are provided and distributed along the length direction of the second wire.

[0015] In the flexible LED light strip of the utility model, the long sides of the N LED lamp beads included in the light-emitting unit are all perpendicular to the long sides of the insulating soft film.

[0016] The beneficial effects of the utility model are as follows: the utility model has a simple overall structure and is easy to manufacture. The two first wires are arranged on both sides of the insulating soft film, which not only serve as connecting wires, but also strengthen the overall strength of the structure. Moreover, the first wires on either side can be prevented from breaking, which can cause the light strip to be short-circuited, thereby greatly improving the reliability of the light strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0018] Figure 1 It is an exploded top view of the flexible LED light strip of the utility model.

[0019] Figure 2 yes Figure 1 A partial enlarged view of .

[0020] Figure 3 yes Figure 2 A partial enlarged view of .

[0021] Figure 4 It is a cross-sectional view of the flexible LED light strip of the utility model in an exploded state. DETAILED DESCRIPTION

[0022] The terms "first", "second", "third" and "fourth" etc. in the specification and claims of the present invention and the drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] "Multiple" means two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0025] Moreover, the terms "up, down, left, right, upper end, lower end, longitudinal" and the like indicating directions are all based on the posture and position of the device or equipment described in this solution during normal use.

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be described clearly and completely in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0027] The flexible LED light strip of the preferred embodiment of the utility model is as follows Figure 1-4 As shown, it includes a long strip-shaped insulating soft film 10, and a first wire 20 and a plurality of LED lamp beads 30 are arranged on one side of the insulating soft film 10 along the length direction. Two first wires 20 are provided and are connected to each other, and the plurality of LED lamp beads are located between the two first wires 20. A second wire 40 and a third wire 50 are provided on the other side of the insulating soft film 10 along the length direction. Two second wires 40 are provided and arranged side by side along the width direction of the insulating soft film 10, and the third wire 50 is located between the two second wires 40, wherein the width of the third wire 50 is greater than the width of the first wire 20, generally 3-4 times greater. Both the first wire 20 and the second wire 40 are connected to one pin end of the LED lamp bead 30, the first wire 20 is used as the negative pole, and the second wire 40 is used as the positive pole, and of course the opposite is also possible. The third wire 50 is connected to the other pin end of the LED lamp bead 30. The utility model has a simple overall structure and is easy to manufacture. The two first wires 20 are arranged on both sides of the insulating soft film 10, which not only serve as connecting wires, but also strengthen the overall strength of the structure. It can also prevent the first wire 20 on any side from breaking, causing the light strip to be short-circuited, thereby greatly improving the reliability of the light strip.

[0028] In this embodiment, a thickened portion 51 is provided on the third wire 50 corresponding to the LED lamp bead 30, and the projection of the LED lamp bead 30 toward the third wire 50 is located in the area surrounded by the edge of the thickened portion 51, which serves to thicken the structural strength of the back of the LED lamp bead 30 and prevent the pins of the LED lamp bead 30 from detaching from the solder due to insufficient strength when bending or folding.

[0029] In this embodiment, the projection of the LED lamp bead 30 toward the third wire 50 is square, and the width of the third wire 50 is the same as the width of the projection, so as to further enhance the structural strength of the installation position of the LED lamp bead 30 and reduce the deformability of the light strip.

[0030] In this embodiment, solder is provided on the corresponding projection of the third guide, and the solder forms a thickened portion 51. The thickened portion 51 is directly formed by soldering for easy processing and manufacturing. In addition, the thickened portion 51 can also be formed by welding or stamping it as a whole with the third wire 50.

[0031] In this embodiment, a plurality of LED lamp beads 30 are sequentially divided into a plurality of light-emitting units 100, and a light-emitting unit 100 includes at least N LED lamp beads 30, and the N LED lamp beads 30 are sequentially connected in series; one end of the light-emitting unit 100 is connected to the first wire 20, and the other end is connected to the third wire 50; wherein N is a positive integer greater than 1. By providing a plurality of light-emitting units 100, it is convenient for users to cut the required length according to their needs, which is convenient and practical.

[0032] In this embodiment, a conductive convex contact 60 is provided on the second wire 40 at a position between two adjacent light-emitting units 100. Two convex contacts 60 are provided corresponding to the two second wires 40. The two convex contacts 60 constitute a contact unit. Two contact units are provided and are arranged side by side along the length direction of the second wire. By providing the convex contact 60, it is convenient for users to cut at specific positions, and it is convenient to install the connector after cutting, thereby ensuring stable contact between the second wire 40 and the connector and avoiding poor contact. In addition, the thickened portion 51 can also increase the contact stability between the third wire 50 and the connector.

[0033] In this embodiment, a connecting portion 21 is provided on the first wire 20 between two adjacent light-emitting units 100, and the two first wires 20 are connected and conductive via the connecting portion 21. The two contact units are respectively located on both sides of the connecting portion 21, so that after the user cuts along the connecting portion 21, there are convex contacts 60 on the two cut sections of the light strip, which is convenient for installing the connector.

[0034] In this embodiment, the insulating soft film 10 is provided with a first through hole 70 that passes through the front and rear sides. The first through hole 70 is located at one end where the light-emitting unit 100 and the third wire 50 are connected. During assembly, the light-emitting unit 100 and the third wire 50 can be connected and connected by filling the first through hole 70 with solder. Among them, the third wire 50 not only plays a role of conduction, but also plays a role in further strengthening the overall structural strength of the light strip.

[0035] In this embodiment, the insulating soft film 10 is further provided with a second through hole 80 that passes through the front and back. The second through hole 80 is located between the first wire 20 and the second wire 40. There are multiple second through holes 80 and they are distributed along the length direction of the second wire 40 to facilitate the first wire 20 and the second wire 40 on the front and back sides to be connected at multiple positions to ensure stability.

[0036] In this embodiment, the long sides of the N LED lamp beads 30 included in the light-emitting unit 100 are perpendicular to the long sides of the insulating soft film 10, and the heads and tails of the N LED lamp beads 30 are connected and conducted in sequence through N-1 fourth wires 90 to achieve series connection, wherein the first wire 20, the second wire 40, the third wire 50, the fourth wire 90 and the connecting portion 21 are all in the form of thin sheets and attached to the insulating soft film 10 to ensure that the thickness of the light strip is relatively thin.

[0037] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A flexible LED light strip, characterized in that: The invention comprises an insulating soft film in the shape of a long strip, wherein a first wire and a plurality of LED lamp beads are arranged on one side surface of the insulating soft film along the length direction, wherein two first wires are provided and are connected to each other, and the plurality of LED lamp beads are located between the two first wires; a second wire and a third wire are arranged on the other side surface of the insulating soft film along the length direction, wherein two second wires are provided and are arranged side by side along the width direction of the insulating soft film, and the third wire is located between the two second wires, wherein the first wire and the second wire are both connected to one pin end of the LED lamp bead, and the third wire is connected to the other pin end of the LED lamp bead.

2. The flexible LED light strip according to claim 1, characterized in that: A thickened portion is provided on the third conductive wire corresponding to the LED lamp bead, and a projection of the LED lamp bead toward the third conductive wire is located within a region surrounded by the edge of the thickened portion.

3. The flexible LED light strip according to claim 2, characterized in that: The projection is in a square shape, and the width of the third conductive line is the same as the width of the projection.

4. The flexible LED light strip according to claim 3, characterized in that: Solder is provided on the third guide corresponding to the projection, and the solder forms the thickened portion.

5. The flexible LED light strip according to any one of claims 1 to 4, characterized in that: The multiple LED lamp beads are divided into multiple light-emitting units in turn, and the light-emitting unit includes at least N LED lamp beads, and the N LED lamp beads are connected in series in turn; one end of the light-emitting unit is connected to the first wire, and the other end is connected to the third wire; wherein N is a positive integer greater than 1.

6. The flexible LED light strip according to claim 5, characterized in that: A conductive convex contact is provided on the second wire at a position between two adjacent light-emitting units. Two convex contacts are provided corresponding to two second wires. The two convex contacts form a contact unit. Two contact units are provided and arranged side by side along the length direction of the second wire.

7. The flexible LED light strip according to claim 6, characterized in that: A connecting portion is provided on the first wire at a position between two adjacent light-emitting units, the two first wires are connected and conducted through the connecting portion, and the two contact units are respectively located at two sides of the connecting portion.

8. The flexible LED light strip according to claim 5, characterized in that: The insulating soft film is provided with a first through hole penetrating through the front and rear sides, and the first through hole is located at one end of the light emitting unit that is in conduction with the third wire.

9. The flexible LED light strip according to claim 5, characterized in that: The insulating soft film is also provided with a second through hole that passes through the front and back, the second through hole is located between the first wire and the second wire, and a plurality of the second through holes are provided and distributed along the length direction of the second wire.

10. The flexible LED light strip according to claim 5, characterized in that: The long sides of the N LED lamp beads included in the light-emitting unit are all perpendicular to the long sides of the insulating soft film.

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