An assembly structure for display module NFC
By designing positioning holes on NFC and display FPC and using needle fixture assembly and double-sided adhesive connection, the problem of insufficient alignment assembly accuracy between NFC antenna and display glass or FPC is solved, and higher assembly accuracy and product quality are achieved.
Patent Information
- Application Number
- CN202421212557.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-05-29
AI Technical Summary
In the prior art, the alignment assembly of NFC antennas with display glass or FPCs is likely to cause glass edges to jump or alignment deviation, affecting the finished product quality of smart display watches or bracelets.
Two FPC positioning holes and NFC positioning holes are designed on NFC and display FPC respectively. The precise alignment between NFC and display FPC is achieved through needle fixture assembly, and the two are connected by double-sided adhesive to ensure a tight fit.
Through precise alignment design and connection methods, the problem of glass edge jumping or alignment deviation is effectively avoided, and the assembly accuracy and competitiveness of the product are improved.
Smart Images
Figure CN222734617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display module NFC, in particular to an assembly structure of a display module NFC. Background Art
[0002] With the advancement of technology, more and more wearable devices such as watches and bracelets have built-in NFC antennas for payment, electronic tickets or data exchange and collection with smart media. The conventional display module assembly solution with NFC antenna is to align the display glass or FPC periphery through NFC. Therefore, it is easy to cause glass edge jumping or alignment deviation during bonding, which will affect the subsequent installation and use of the finished smart display watch or bracelet. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an assembly structure for a display module NFC.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A display module NFC assembly structure comprises: a display screen, a touch FPC, a display FPC and NFC; the bottom of the display screen and the display FPC are connected together through a COF chip, and the display FPC is provided with NFC; the display FPC is provided with two FPC positioning holes, and the NFC is provided with two NFC positioning holes, the two FPC positioning holes correspond to the positions of the two NFCs, and the apertures of the NFC positioning holes and the FPC positioning holes are both 1.4 mm.
[0006] In one embodiment, the shape and size of the front side of the display screen are the same as the shape and size of the front side of the NFC, and a process protection film is attached to the back side of the display screen.
[0007] In one of the embodiments, the touch FPC is located on the top of the display screen and is bound to the display screen.
[0008] In one embodiment, a ZIF connector and an electronic component are respectively disposed on the left and right sides of the bottom of the front side of the display FPC, a first NFC pad is disposed on the top right side of the central part of the front side of the display FPC, and a BTB connector is disposed in the center of the left side block of the front side of the display FPC.
[0009] In one of the embodiments, the two FPC positioning holes are respectively arranged at the top of the left side and the center of the right side of the central part of the front side of the display FPC.
[0010] In one of the embodiments, a second NFC pad is provided at the top of the right side of the front side of the NFC, a backing release film is attached to the front side of the NFC, and the two NFC positioning holes are respectively provided at the top of the left side and the right side near the center of the central part of the front side of the NFC.
[0011] In one embodiment, the display screen and the NFC are designed to be mirror images from top to bottom.
[0012] In one of the embodiments, the display FPC is a flexible circuit board, and the size of the front side of the display FPC after being folded is smaller than the size of the front side of the display screen.
[0013] In one of the embodiments, the display FPC and the NFC are connected together by double-sided tape.
[0014] In one of the embodiments, a protective film tearing handle is provided on the left side of the top of the front side of the process protective film.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The assembly structure of the display module NFC of the utility model is designed by matching two FPC positioning holes and NFC positioning holes on the NFC and display FPC respectively, so that when the NFC and the display FPC are installed and bonded to each other, only a needle jig is needed for assembly, which can effectively improve the assembly alignment accuracy of the NFC and the display screen FPC, prevent the occurrence of adverse situations such as glass edge jumping or alignment deviation, and improve product competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] 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.
[0018] Figure 1 This is a front overall schematic diagram of the assembly structure of the display module NFC of the utility model;
[0019] Figure 2 This is a schematic diagram of the back of the assembly structure of the NFC display module of the utility model;
[0020] Figure 3 This is an overall schematic diagram of the NFC front side of the assembly structure of the display module NFC of the present invention after being rotated and inverted.
[0021] In the figure: 1. display screen; 11. process protection film; 2. touch FPC; 3. display FPC; 31. ZIF connector; 32. electronic components; 33. FPC positioning holes; 34. BTB connector; 35. first NFC pad; 4. NFC; 41. adhesive release film; 42. NFC positioning holes; 43. second NFC pad. DETAILED DESCRIPTION
[0022] 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.
[0023] 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.
[0024] 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.
[0025] 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.
[0026] like Figure 1-3As shown, an assembly structure of a display module NFC includes: a display screen 1, a touch FPC2, a display FPC3 and an NFC4; the bottom of the display screen 1 is connected to the display FPC3 through a COF chip, and the display FPC3 is provided with an NFC4; the display FPC3 is provided with two FPC positioning holes 33, and the NFC4 is provided with two NFC positioning holes 42, the two FPC positioning holes 33 correspond to the positions of the two NFC4, and the apertures of the NFC positioning holes 42 and the FPC positioning holes 33 are both 1.4mm. It should be noted that when assembling NFC4, it is necessary to tear off the adhesive release film 41 on the front of NFC4 first, and then use a customized fixture to fit the NFC positioning hole 42 and the FPC positioning hole 33 on the positioning pin for alignment assembly, and the alignment accuracy of NFC4 and display FPC3 is improved by two-point positioning, and after assembly, it is necessary to press the display FPC3 and NFC4 to activate their double-sided adhesiveness so that the two are tightly attached together.
[0027] like Figure 1-3 As shown, in one embodiment, the shape and size of the front of the display screen 1 are the same as the shape and size of the front of the NFC4, and the back of the display screen 1 is attached with a process protection film 11. It should be noted that the shape and size of the front of the process protection film 11 match the shape and size of the front of the display screen 1.
[0028] like Figure 1-3 As shown, in one embodiment, the touch FPC 2 is located on the top of the display screen 1 and is bound to the display screen 1. It should be noted that the touch FPC 2 can be bent to the back of the display screen 1 to hide it and reduce the area it occupies.
[0029] like Figure 1-3 As shown in the figure, in one embodiment, a ZIF connector 31 and an electronic component 32 are respectively arranged on the left and right sides of the bottom of the front of the display FPC3, a first NFC pad 35 is arranged on the top of the right side of the central part of the front of the display FPC3, and a BTB connector 34 is arranged in the center of the left side of the front of the display FPC3. It should be noted that this design can facilitate the connection between the display FPC3 and the motherboard.
[0030] like Figure 1-3As shown, in one embodiment, two FPC positioning holes 33 are respectively arranged at the top of the left side and the center of the right side of the front center of the display FPC3. A second NFC pad 43 is arranged at the top of the right side of the front of NFC4, and a back adhesive release film 41 is attached to the front of NFC4. Two NFC positioning holes 42 are respectively arranged at the top of the left side and the right side near the center of the front center of NFC4. It should be noted that when the two NFC positioning holes 42 and the two FPC positioning holes 33 overlap, positioning can be achieved. After NFC4 and the display FPC3 are attached, the first NFC pad 35 and the second NFC pad 43 will overlap.
[0031] like Figure 1-3 As shown, in one embodiment, the display screen 1 and the NFC4 are designed as a mirror image. It should be noted that after the NFC4 and the display FPC3 are connected together, the display FPC3 and the NFC4 need to be bent to the back of the display screen 1 and assembled together.
[0032] like Figure 1-3 As shown, in one embodiment, the display FPC3 is a flexible circuit board, and the size of the front side of the display FPC3 after folding is smaller than the size of the front side of the display screen 1. It should be noted that the block with the BTB connector 34 on the left side of the display FPC3 will be bent to the block on the right side of the center of the display FPC3, and bend toward the back of the display screen 1, so that the entire display FPC3 is folded on the back of the display screen 1.
[0033] like Figure 1-3 As shown in FIG. 1 , an embodiment shows that FPC3 and NFC4 are connected together by double-sided adhesive. It should be noted that the adhesive release film 41 is arranged on the double-sided adhesive, and a tearing handle is arranged at the lower right corner of the adhesive release film 41 for easy tearing.
[0034] like Figure 1-3 As shown, in one embodiment, a protective film tearing handle is provided on the left side of the top of the front side of the process protective film 11. It should be noted that this design can facilitate the staff to tear off the process protective film 11.
[0035] 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 assembly structure of a display module NFC, characterized in that: include: Display screen (1), touch FPC (2), display FPC (3) and NFC (4); The bottom of the display screen (1) and the display FPC (3) are connected together via a COF chip, and the display FPC (3) is provided with an NFC (4); The display FPC (3) is provided with two FPC positioning holes (33), and the NFC (4) is provided with two NFC positioning holes (42). The two FPC positioning holes (33) correspond to the positions of the two NFCs (4), and the apertures of the NFC positioning holes (42) and the FPC positioning holes (33) are both 1.4 mm.
2. The assembly structure of the display module NFC according to claim 1, characterized in that: The shape and size of the front of the display screen (1) are the same as the shape and size of the front of the NFC (4), and a process protection film (11) is attached to the back of the display screen (1).
3. The assembly structure of the display module NFC according to claim 1, characterized in that: The touch FPC (2) is located on the top of the display screen (1) and is bound to the display screen (1).
4. The assembly structure of the display module NFC according to claim 1, characterized in that: A ZIF connector (31) and an electronic component (32) are respectively arranged on the left and right sides of the bottom of the front side of the display FPC (3), a first NFC pad (35) is arranged on the top of the right side of the central part of the front side of the display FPC (3), and a BTB connector (34) is arranged in the center of the left side of the front side of the display FPC (3).
5. The assembly structure of the display module NFC according to claim 1, characterized in that: The two FPC positioning holes (33) are respectively arranged at the top of the left side and the center of the right side of the central part of the front side of the display FPC (3).
6. The assembly structure of the display module NFC according to claim 1, characterized in that: A second NFC pad (43) is arranged at the top of the right side of the front face of the NFC (4), a backing adhesive release film (41) is attached to the front face of the NFC (4), and two NFC positioning holes (42) are arranged at the top of the left side of the central part of the front face of the NFC (4) and at a position close to the center of the right side.
7. The assembly structure of the display module NFC according to claim 1, characterized in that: The display screen (1) and the NFC (4) are designed to be mirror images up and down.
8. The assembly structure of the display module NFC according to claim 1, characterized in that: The display FPC (3) is a flexible circuit board, and the size of the front side of the display FPC (3) after being folded is smaller than the size of the front side of the display screen (1).
9. The assembly structure of the display module NFC according to claim 1, characterized in that: The display FPC (3) and the NFC (4) are connected together by double-sided adhesive.
10. The assembly structure of the display module NFC according to claim 2, characterized in that: A protective film tearing handle is arranged on the left side of the top of the front side of the process protective film (11).