COF binding position protection structure of intelligent wearable product

Abstract

A COF binding position protection structure of an intelligent wearable product comprises an FPC, a COF and a display screen. The bottom of the front face of the FPC and the COF are arranged together, and the back of the top of the display screen and the bottom of the COF are arranged together. A COF golden finger is arranged in the center of the front face of the bottom of the COF, the COF golden finger and a golden finger on the top of the back of the display screen are welded together, and UV glue is smeared on the surface of the welding position of the COF golden finger and the golden finger of the display screen. According to the COF binding and positioning protection structure of the intelligent wearable product, the front face and the back face of the connecting position of the COF and the golden finger of the display screen are coated with the UV glue, bending is carried out after the UV glue is cured, and therefore the connecting and bending position of the COF and the display screen is protected by the UV glue, a certain force can be borne, the waterproof effect can be achieved at the same time, and the service life of the COF is prolonged. The golden finger can be prevented from being corroded by water vapor, so that the problem of poor contact caused by bending can be prevented by the design scheme.

Description

Technical Field

[0001] The utility model relates to the technical field of display module binding, and in particular to a COF binding position protection structure of a smart wearable product. Background Art

[0002] At present, with the continuous development of science and technology and the continuous progress of the times, intelligent devices can be seen everywhere in people's lives. As chips continue to be miniaturized, smart wearable products have become more and more popular in recent times. Among them, smart watches and smart bracelets are the most popular. They are not only used as watches and sports equipment, but also have certain accessories.

[0003] At present, most wearable products use AMOLED screens or TFT screens, so the display screen is usually bound by connecting the glass and FPC together through OF. Since the final COF needs to be bent before installation, most of the poor functional tests are caused by the binding bending. In order to prevent the problem of poor contact due to bending, a COF binding position protection structure for smart wearable products is designed to strengthen and protect the bending position. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a COF binding position protection structure for a smart wearable product.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A COF binding position protection structure of a smart wearable product comprises: an FPC, a COF and a display screen; the front bottom of the FPC is arranged together with the COF, and the back of the top of the display screen is arranged together with the bottom of the COF; a COF gold finger is arranged at the center of the front of the COF bottom, the COF gold finger and the gold finger at the top of the back of the display screen are welded together, and the surface of the COF gold finger and the gold finger welding position of the display screen is coated with UV glue.

[0007] In one of the embodiments, an FPC gold finger is provided at the center of the bottom of the front side of the FPC, and the FPC gold finger is welded to the binding position at the top of the COF.

[0008] In one embodiment, components are arranged on the right side of the top of the FPC front side, a reinforcing plate is arranged on the back of the right side of the top of the FPC, and an FPCIC is arranged at the center of the bottom of the FPC front side and at the connection position with the COF.

[0009] In one embodiment, a COFIC is disposed at the center of the front surface of the COF, and the board body at the connection between the COF and the display screen is a flexible circuit board.

[0010] In one of the embodiments, the front side of the UV glue is in a rectangular or oval shape, and the length of the front side of the UV glue is greater than the length of the front side of the COF gold finger.

[0011] In one of the embodiments, the width of the front side of the UV glue is greater than the width of the front side of the COF gold finger, and the UV glue needs to be applied after the COF gold finger is connected to the display screen.

[0012] In one embodiment, the display screen is an AMILED display screen or a TFT display screen.

[0013] In one embodiment, the block extending from the right side of the FPC is a flexible circuit, and the length of the front side of the block on the left side is smaller than the diameter of the front side of the display screen.

[0014] In one of the embodiments, a protective film is attached to the surface of the UV glue, and the length and width of the front side of the protective film are greater than the length and width of the front side of the COF gold finger.

[0015] In one embodiment, the block body on the left side of the FPC is bent to the back of the display screen, and the block body on the right side of the FPC is bent to the block body on the left side.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] The COF binding position protection structure of the smart wearable product of the present invention is achieved by applying UV glue on the front and back sides of the connection between the COF and the gold finger of the display screen, and bending the COF after the UV glue is cured. In this way, the connection bending part between the COF and the display screen is protected by the UV glue, which can withstand a certain force and at the same time play a waterproof role, preventing water vapor from corroding the gold finger. Therefore, this design scheme can prevent the problem of poor contact due to bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is an overall schematic diagram of the front of the COF binding site protection structure of the smart wearable product of the present utility model.

[0020] In the figure: 1. FPC; 11. Components; 12. FPC gold finger; 2. COF; 21. COF gold finger; 22. COFIC; 23. UV glue; 3. Display screen. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0022] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] like Figure 1As shown, a COF binding position protection structure of a smart wearable product includes: FPC1, COF2 and display screen 3; the front bottom of FPC1 is arranged together with COF2, and the back of the top of display screen 3 is arranged together with the bottom of COF2; a COF gold finger 21 is arranged at the center of the front of the bottom of COF2, and the COF gold finger 21 and the gold finger at the top of the back of display screen 3 are welded together, and the surface of the COF gold finger 21 and the gold finger welding position of the display screen 3 is coated with UV glue 23. It should be noted that the length and width of the front of FPC1 are smaller than the diameter of the front of display screen 3, and the COF gold finger 21 is connected to the glass of display screen 3, so as to realize data transmission between FPC1 and display screen 3.

[0026] like Figure 1 As shown, in one embodiment, an FPC gold finger 12 is provided at the center of the bottom of the front of FPC1, and the FPC gold finger 12 is welded to the binding position at the top of COF2. The width of the front of UV glue 23 is greater than the width of the front of COF gold finger 21, and UV glue 23 needs to be applied after COF gold finger 21 is connected to display screen 3. It should be noted that the application of UV glue 23 needs to be applied on both the front and back sides, and it is necessary to wait for the UV glue 23 to solidify before bending.

[0027] like Figure 1 As shown, in one embodiment, a component 11 is arranged on the right side of the top of the front of FPC1, a reinforcing plate is arranged on the back of the right side of the top of FPC1, and an FPCIC is arranged at the center of the bottom of the front of FPC1 and at the connection position with COF2. It should be noted that this design can hide the FPCIC to achieve the purpose of protection, and the reinforcing plate is a metal plate to assist in heat dissipation.

[0028] like Figure 1 As shown, in one embodiment, a COFIC 22 is arranged in the center of the front of the COF 2, and the board body at the connection between the COF 2 and the display screen 3 is a flexible circuit board. It should be noted that this design allows the connection between the COF 2 and the display screen 3 to be bent.

[0029] like Figure 1 As shown, in one embodiment, the shape of the front of the UV glue 23 is rectangular or oval, and the length of the front of the UV glue 23 is greater than the length of the front of the COF gold finger 21. A protective film is attached to the surface of the UV glue 23, and the length and width of the front of the protective film are greater than the length and width of the front of the COF gold finger 21. It should be noted that the protective film can protect the UV glue 23 and prevent the UV glue 23 from falling off due to friction during the bending process.

[0030] like Figure 1As shown, in one embodiment, the display screen 3 is an AMILED display screen or a TFT display screen. It should be noted that the shape of the display screen 3 is generally circular or rectangular, and this technical solution only shows the design when it is circular, but whether it is circular or square does not affect the technical solution.

[0031] like Figure 1 As shown, in one embodiment, the block extending from the right side of FPC1 is a flexible circuit, and the length of the front side of the block on the left side is less than the diameter of the front side of the display screen 3. The block on the left side of FPC1 is bent to the back of the display screen 3, and the block on the right side of FPC1 is bent to the block on the left side. It should be noted that the length of the front side of the block on the left side of FPC1 is less than the diameter of the front side of the display screen 3, so when FPC1 is bent, it can be completely folded to the back of the display screen 3 and hidden, thereby saving space.

[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A COF binding site protection structure for a smart wearable product, characterized in that: include: FPC (1), COF (2) and display screen (3); The front bottom of the FPC (1) is arranged together with the COF (2), and the back of the top of the display screen (3) is arranged together with the bottom of the COF (2); A COF gold finger (21) is arranged at the center of the front bottom of the COF (2), the COF gold finger (21) and the gold finger at the top back of the display screen (3) are welded together, and UV glue (23) is applied to the surface of the COF gold finger (21) and the gold finger of the display screen (3) where they are welded.

2. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: An FPC gold finger (12) is arranged at the center of the bottom of the front side of the FPC (1), and the FPC gold finger (12) is welded to a binding position at the top of the COF (2).

3. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: A component (11) is arranged on the right side of the top of the front side of the FPC (1), a reinforcing plate is arranged on the back side of the right side of the top of the FPC (1), and an FPCIC is arranged at the center of the bottom of the front side of the FPC (1) and at the connection position with the COF (2).

4. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: A COFIC (22) is arranged at the center of the front of the COF (2), and the board body at the connection between the COF (2) and the display screen (3) is a flexible circuit board.

5. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: The front side of the UV glue (23) is in the shape of a rectangle or an ellipse, and the length of the front side of the UV glue (23) is greater than the length of the front side of the COF gold finger (21).

6. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: The width of the front side of the UV glue (23) is greater than the width of the front side of the COF gold finger (21), and the UV glue (23) needs to be applied after the COF gold finger (21) is connected to the display screen (3).

7. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: The display screen (3) is an AMILED display screen or a TFT display screen.

8. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: The block extending from the right side of the FPC (1) is a flexible circuit, and the length of the front side of the block on the left side is smaller than the diameter of the front side of the display screen (3).

9. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: A layer of protective film is attached to the surface of the UV glue (23), and the length and width of the front side of the protective film are greater than the length and width of the front side of the COF gold finger (21).

10. The COF binding site protection structure of the smart wearable product according to claim 1, characterized in that: The block body on the left side of the FPC (1) is bent to the back of the display screen (3), and the block body on the right side of the FPC (1) is bent to the block body on the left side.

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