Anti-static damage module of touch FPC (Flexible Printed Circuit) and touch screen
By setting the binding of the touch FPC assembly to the upper glass plate on the lower surface of the second end of the upper glass plate, the problem of insufficient anti-static shock capability of the smart watch touch function is solved, and higher anti-static ability and lower production costs are achieved.
Patent Information
- Application Number
- CN202421280855.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The touch function of smart watches has weak anti-static shock ability and is susceptible to electrostatic shock damage, resulting in failure of touch function. In addition of components such as TVS tubes and magnetic beads to pass electrostatic testing will increase production costs.
An anti-static shock module for touch FPC is designed. By setting the binding place of the touch FPC assembly to the upper glass plate on the lower surface of the second end of the upper glass plate by electrostatic shock on the upper surface of the second end of the upper glass plate, thereby protecting the binding position and avoiding the addition of additional components.
The anti-static shock capability of smart watches is improved, avoiding the increase in production costs caused by the addition of components such as TVS tubes and magnetic beads, and ensuring the stability of touch functions.
Smart Images
Figure CN222827412U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of smart watches, and in particular to an anti-static damage module of a touch FPC and a touch screen. Background Art
[0002] As smart watches are used more and more widely, people's requirements for smart watches are getting higher and higher, and the requirements for anti-static capabilities of smart watch projects are also getting higher and higher. The touch function of smart watches has weak anti-static impact capabilities and is easily damaged by static electricity, resulting in failure of the touch function of smart watches. In order to pass the electrostatic test, manufacturers often add too many TVS tubes, magnetic beads and other components to smart watches, which increases the production cost of smart watches and is not conducive to product promotion. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a touch FPC anti-static damage module and a touch screen.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A touch FPC anti-static damage module comprises: an upper glass plate, a lower glass plate, a touch FPC assembly and a display FPC assembly, wherein the lower glass plate is arranged below the upper glass plate, the upper glass plate comprises a first end and a second end opposite to the first end, the touch FPC assembly is connected to the second end of the upper glass plate, and the display FPC assembly is arranged at the edge of the upper surface of the lower glass plate.
[0006] In one of the embodiments, the upper glass plate is connected to the lower glass plate in an offset manner.
[0007] In one of the embodiments, the touch FPC assembly includes a touch FPC board and a first ACF glue block, and the touch FPC board is bound and connected to the second end portion of the upper glass plate through the first ACF glue block.
[0008] In one of the embodiments, the display FPC assembly includes a display FPC board and a second ACF glue block, and the display FPC board is bound and connected to the lower glass plate through the second ACF glue block.
[0009] In one of the embodiments, the anti-static damage module of the touch FPC further includes an optical adhesive layer, and the upper glass plate and the lower glass plate are bonded by the optical adhesive layer.
[0010] In one embodiment, the optical adhesive layer is an OCA adhesive layer or an OCR adhesive layer.
[0011] In one of the embodiments, a first steel sheet is disposed on a side of the touch FPC board away from the first ACF block.
[0012] In one of the embodiments, a second steel sheet is provided on a side of the display FPC board away from the second ACF glue block.
[0013] In one of the embodiments, the anti-static damage module of the touch FPC further includes a polarizer, and the polarizer is disposed above the upper glass plate.
[0014] A touch screen includes the above-mentioned anti-static damage module of the touch FPC, and also includes a liquid crystal screen and a backlight component, wherein the backlight component is arranged below the liquid crystal screen, and the anti-static damage module of the touch FPC is arranged above the liquid crystal screen.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The anti-static damage module of the touch FPC of the utility model is achieved by arranging the binding point between the touch FPC component and the upper glass plate on the lower surface of the second end of the upper glass plate. In this way, during the electrostatic test, static electricity will hit the upper surface of the second end, so that the binding position with weaker anti-static striking ability is protected, thereby avoiding the increase in production costs caused by adding too many components such as TVS tubes and magnetic beads. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0018] Figure 1 It is a structural schematic diagram of an anti-static damage module of a touch FPC in one embodiment of the utility model. DETAILED DESCRIPTION
[0019] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0020] See also Figure 1 The present application proposes an anti-static damage module 10 for a touch FPC, comprising: an upper glass plate 100, a lower glass plate 200, a touch FPC assembly 300 and a display FPC assembly 400, the lower glass plate 200 is arranged below the upper glass plate 100, the upper glass plate 100 includes a first end 110 and a second end 120 opposite to the first end 110, the touch FPC assembly 300 is arranged at the second end 120 of the upper glass plate 100, and the display FPC assembly 400 is arranged at the edge of the upper surface of the lower glass plate 200.
[0021] It should be noted that during the electrostatic test, the binding point between the touch FPC assembly 300 and the upper glass plate 100 has a relatively weak anti-static impact capability and is easily damaged by static electricity, causing the smart watch to lose its touch function. In order to prevent the touch FPC assembly 300 from being damaged by static electricity, the upper glass plate 100 is extended so that the binding point between the touch FPC assembly 300 and the upper glass plate 100 is located on the lower surface of the second end 120. With this arrangement, static electricity will hit the upper surface of the second end 120 of the upper glass plate 100, so that the binding point between the touch FPC assembly 300 and the upper glass plate 100 is protected; the touch FPC assembly 300 is arranged at the second end 120 of the upper glass plate 100 and there needs to be enough space, so that the binding position of the touch FPC assembly 300 and the display FPC assembly 400 can be set in different directions.
[0022] Please refer again Figure 1 In one embodiment, the upper glass plate 100 and the lower glass plate 200 are staggeredly connected so that there is sufficient space between the lower surface of the upper glass plate 100 and the upper surface of the lower glass plate 200, so that the touch FPC assembly 300 can be bound to the lower surface of the upper glass plate 100 and the display FPC assembly 400 can be bound to the upper surface of the lower glass plate 200.
[0023] Please refer again Figure 1 In one implementation, the touch FPC assembly 300 includes a touch FPC board 310 and a first ACF glue block 320. The touch FPC board 310 is bound and connected to the second end 120 of the upper glass plate 100 through the first ACF glue block 320. In this embodiment, the first ACF glue block 320 binds and connects the touch FPC board 310 to the second end 120 of the upper glass plate 100 by dispensing, so that an electrical path is formed between the touch FPC board 310 and the wiring of the upper glass plate 100.
[0024] Please refer again Figure 1 In one implementation, the display FPC assembly 400 includes a display FPC board 410 and a second ACF glue block 420. The display FPC board 410 is bound and connected to the lower glass plate 200 through the second ACF glue block 420. In this embodiment, the second ACF glue block 420 binds and connects the display FPC board 410 to the lower glass plate 200 by dispensing, so that an electrical path is formed between the wiring of the display FPC board 410 and the lower glass plate 200.
[0025] Please refer again Figure 1 In one embodiment, the anti-static damage module 10 of the touch FPC also includes an optical adhesive layer 500, and the upper glass plate 100 and the lower glass plate 200 are bonded by the optical adhesive layer 500, so that the upper glass plate 100 and the lower glass plate 200 are bonded and have a good light transmission effect.
[0026] Preferably, the optical adhesive layer 500 is an OCA adhesive layer or an OCR adhesive layer.
[0027] Please refer again Figure 1 In one implementation, a first steel sheet 330 is disposed on the side of the touch FPC board 310 away from the first ACF block 320. In this embodiment, the first steel sheet 330 supports the touch FPC board 310 so that the touch FPC board 310 is not easily bent.
[0028] Please refer again Figure 1 In one implementation, a second steel sheet 430 is provided on the side of the display FPC board 410 away from the second ACF glue block 420. In this embodiment, the second steel sheet 430 supports the display FPC board 410 so that the display FPC board 410 is not easily bent.
[0029] Please refer again Figure 1 In one embodiment, the anti-static damage module 10 of the touch FPC also includes a polarizer 600, which is arranged above the upper glass plate 100. Such a configuration can prevent external dust and scratches from invading the upper glass plate 100, thereby protecting the upper glass plate 100. The polarizer 600 can also reduce the reflectivity of the screen by suppressing reflections, thereby reducing eye fatigue when looking at the screen under strong light.
[0030] Please refer again Figure 1 In one embodiment, a touch screen further includes a liquid crystal screen and a backlight assembly, wherein the backlight assembly is disposed below the liquid crystal screen, and an anti-static damage module 10 of a touch FPC is disposed above the liquid crystal screen.
[0031] It should be noted that the anti-static damage module 10 of the touch FPC is arranged above the LCD screen, and the anti-static damage module 10 of the touch FPC is electrically connected to the LCD screen, so that the touch FPC component 300 and the display FPC component 400 can respond quickly to the LCD screen; the backlight component is arranged below the LCD screen to provide a light source for the LCD screen.
[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. An anti-static damage module for a touch FPC, characterized in that: include: An upper glass plate, a lower glass plate, a touch FPC assembly and a display FPC assembly, wherein the lower glass plate is arranged below the upper glass plate, the upper glass plate includes a first end and a second end opposite to the first end, the touch FPC assembly is connected to the second end of the upper glass plate, and the display FPC assembly is arranged at the edge of the upper surface of the lower glass plate.
2. The anti-static damage module of the touch FPC according to claim 1, characterized in that: The upper glass plate is staggeredly connected to the lower glass plate.
3. The anti-static damage module of the touch FPC according to claim 1, characterized in that: The touch FPC assembly includes a touch FPC board and a first ACF glue block, and the touch FPC board is bound and connected to the second end portion of the upper glass plate through the first ACF glue block.
4. The anti-static damage module of the touch FPC according to claim 1, characterized in that: The display FPC assembly includes a display FPC board and a second ACF glue block, and the display FPC board is bound and connected to the lower glass plate through the second ACF glue block.
5. The anti-static damage module of the touch FPC according to claim 1, characterized in that: It also includes an optical adhesive layer, and the upper glass plate and the lower glass plate are bonded together by the optical adhesive layer.
6. The anti-static damage module of the touch FPC according to claim 5, characterized in that: The optical adhesive layer is an OCA adhesive layer or an OCR adhesive layer.
7. The anti-static damage module of the touch FPC according to claim 3, characterized in that: The touch FPC board is provided with a first steel sheet on a side away from the first ACF glue block.
8. The anti-static damage module of the touch FPC according to claim 4, characterized in that: The display FPC board is provided with a second steel sheet on a side away from the second ACF glue block.
9. The anti-static damage module of the touch FPC according to claim 1, characterized in that: It also includes a polarizer, which is arranged above the upper glass plate.
10. A touch screen, comprising the anti-static damage module of the touch FPC according to any one of claims 1 to 9, characterized in that: It also includes a liquid crystal screen and a backlight assembly. The backlight assembly is arranged below the liquid crystal screen, and the anti-static damage module of the touch FPC is arranged above the liquid crystal screen.