Polyimide double-sided adhesive tape for LED flexible circuit board

Abstract

The utility model discloses a polyimide double-sided adhesive tape for a light-emitting diode (LED) flexible circuit board, which relates to the technical field of double-sided adhesive tapes and comprises a base layer, an anti-static layer is arranged on the upper surface of the base layer, a first adhesive layer is arranged on the upper surface of the anti-static layer, a first film coating layer is arranged on the upper surface of the first adhesive layer, and a second film coating layer is arranged on the upper surface of the second adhesive layer. A second adhesive layer is arranged on the lower surface of the base layer, and a second film covering layer is arranged on the lower surface of the second adhesive layer. According to the anti-static adhesive tape disclosed by the utility model, the anti-static layer is arranged on the upper surface of the base layer, and silver has good conductivity which is several times or even hundreds of times that of common conductive metal, so that static electricity generated in the use process of the adhesive tape can be eliminated, and components in an LED lamp can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of double-sided adhesive tapes, in particular to a polyimide double-sided adhesive tape used for LED flexible circuit boards. Background Art

[0002] As the cost of LED lighting continues to decrease, LED lights are widely accepted by the market for their energy saving, environmental protection, and good durability. LED flexible circuit boards have also ushered in explosive growth. Double-sided tape is usually required in the production process of LED lights.

[0003] After searching, a polyimide double-sided tape for LED flexible circuit boards with publication number CN209568043U belongs to the field of tapes, including a substrate layer, a composite adhesive layer and a pressure-sensitive adhesive layer are respectively provided on both sides of the substrate layer, the substrate layer is a polyimide film substrate layer, and the composite adhesive layer and the pressure-sensitive adhesive layer are both rubber-type or acrylic-type pressure-sensitive adhesive layers.

[0004] However, the existing polyimide double-sided tape used for LED flexible circuit boards is prone to static electricity during use, which can easily bring great safety hazards to the electronic components inside the LED lamp, thereby causing damage to the electronic components. Utility Model Content

[0005] In view of the above problems existing in the existing polyimide double-sided tape used for LED flexible circuit boards, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a polyimide double-sided tape for LED flexible circuit boards, which solves the problem that the existing polyimide double-sided tape for LED flexible circuit boards is prone to static electricity during use, which easily brings great safety hazards to the electronic components inside the LED lamp, thereby causing damage to the electronic components.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A polyimide double-sided tape for an LED flexible circuit board comprises a base layer, an antistatic layer is arranged on the upper surface of the base layer, a first adhesive layer is arranged on the upper surface of the antistatic layer, a first coating layer is arranged on the upper surface of the first adhesive layer, a second adhesive layer is arranged on the lower surface of the base layer, and a second coating layer is arranged on the lower surface of the second adhesive layer.

[0009] Preferably, the base layer is a polyimide film, and the thickness of the base layer is 0.035 mm.

[0010] Preferably, the antistatic layer is formed by alternately weaving silver fibers.

[0011] Preferably, the first adhesive layer is silicone adhesive, the second adhesive layer is conductive adhesive, and the thickness of the first adhesive layer and the second adhesive layer are both 0.095 mm.

[0012] Preferably, the first coating layer and the second coating layer are both release paper.

[0013] Preferably, one end of each of the first coating layer and the second coating layer is fixedly connected with easy-tear paper.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model has an antistatic layer arranged on the upper surface of the base layer. Silver has good conductivity, which is several times or even hundreds of times that of general conductive metals. Therefore, static electricity generated during the use of the tape can be eliminated, thereby protecting the components inside the LED lamp.

[0016] 2. In the utility model, by setting the first adhesive layer and the second adhesive layer, the silicone adhesive has strong bonding force and high tensile strength, and at the same time has the characteristics of weather resistance, vibration resistance, moisture resistance, odor resistance and adaptability to large changes in temperature, and the conductive adhesive has a certain conductive function, so that the charge can be conducted out to prevent the generation of static electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 sectional view of .

[0020] Description of reference numerals:

[0021] 1. Base layer; 2. Antistatic layer; 3. First adhesive layer; 4. First coating layer; 5. Second adhesive layer; 6. Second coating layer; 7. Easy-tear paper. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model embodiment discloses a polyimide double-sided adhesive tape for an LED flexible circuit board.

[0024] Embodiment 1

[0025] Reference Figure 1-2 A polyimide double-sided tape for LED flexible circuit boards includes a base layer 1, which is a polyimide film and has a thickness of 0.035 mm.

[0026] The polyimide film is yellow and transparent, and has the advantages of high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation, which can improve the performance of the tape.

[0027] Reference Figure 1-2 An antistatic layer 2 is arranged on the upper surface of the base layer 1, and the antistatic layer 2 is formed by alternately weaving silver fibers.

[0028] Silver has good electrical conductivity, which is several times or even hundreds of times that of general conductive metals. Therefore, it can eliminate the static electricity generated during the use of tape, thereby protecting the components inside the LED lamp.

[0029] Reference Figure 1-2 A first adhesive layer 3 is provided on the upper surface of the antistatic layer 2, and a second adhesive layer 5 is provided on the lower surface of the base layer 1. The first adhesive layer 3 is silicone adhesive, and the second adhesive layer 5 is conductive adhesive. The thickness of the first adhesive layer 3 and the second adhesive layer 5 are both 0.095 mm.

[0030] Silicone glue has strong adhesion and high tensile strength. It is also weather-resistant, vibration-resistant, moisture-proof, odor-resistant, and adaptable to large changes in temperature. Conductive glue has a certain conductive function, which can conduct electric charges and prevent the generation of static electricity.

[0031] Embodiment 2

[0032] Based on Example 1, refer to Figure 1-2 A first coating layer 4 is disposed on the upper surface of the first adhesive layer 3 , and a second coating layer 6 is disposed on the lower surface of the second adhesive layer 5 . Both the first coating layer 4 and the second coating layer 6 are release papers.

[0033] The first adhesive layer 3 and the second adhesive layer 5 can be protected by release paper.

[0034] Embodiment 3

[0035] Based on the second embodiment, refer to Figure 1-2 One end of the first coating layer 4 and the second coating layer 6 are both fixedly connected with easy-tear paper 7.

[0036] The two easy-tear papers 7 can be used to facilitate tearing of the first coating layer 4 and the second coating layer 6 .

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A polyimide double-sided tape for LED flexible circuit boards, comprising a base layer (1), characterized in that: The upper surface of the base layer (1) is provided with an antistatic layer (2), the upper surface of the antistatic layer (2) is provided with a first adhesive layer (3), the upper surface of the first adhesive layer (3) is provided with a first coating layer (4), the lower surface of the base layer (1) is provided with a second adhesive layer (5), and the lower surface of the second adhesive layer (5) is provided with a second coating layer (6).

2. The polyimide double-sided tape for LED flexible circuit boards according to claim 1, characterized in that: The base layer (1) is a polyimide film, and the thickness of the base layer (1) is 0.035 mm.

3. The polyimide double-sided tape for LED flexible circuit boards according to claim 1, characterized in that: The antistatic layer (2) is formed by alternately weaving silver fibers.

4. The polyimide double-sided tape for LED flexible circuit boards according to claim 1, characterized in that: The first adhesive layer (3) is silicone adhesive, the second adhesive layer (5) is conductive adhesive, and the thickness of the first adhesive layer (3) and the second adhesive layer (5) are both 0.095 mm.

5. The polyimide double-sided tape for LED flexible circuit boards according to claim 1, characterized in that: The first coating layer (4) and the second coating layer (6) are both release paper.

6. The polyimide double-sided tape for LED flexible circuit boards according to claim 1, characterized in that: One end of each of the first coating layer (4) and the second coating layer (6) is fixedly connected with easy-tear paper (7).

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