Display module with integrated design of COG (Chip On Glass) structure and FPC (Flexible Printed Circuit)
Through the integrated design of COG structure FPC display module, the integrated integration of TPFPC and FOGFPC parts solves the problems of insufficient cost competitiveness and complex FPC welding in the existing technology, and achieves the effect of cost reduction and simplification of production processes.
Patent Information
- Application Number
- CN202421788978.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-25
AI Technical Summary
When existing wearable electronic products are integrated with multifunctional design, their cost competitiveness is insufficient, and the welding and binding process of FPC is complicated, which increases production costs.
The display module designed with COG structure FPC integrated design forms a synthetic FPC by integrating the TPFPC part and the FOGFPC part, which reduces the number of FPCs and the material use and simplifies the welding and binding process.
It has achieved the reduction of material costs and processes, reduced production costs, enhanced the company's competitiveness, and maintained the optimization of touch effects.
Smart Images
Figure CN222995045U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of FPC of a display module, in particular to a display module with an integrated design of an FPC with a COG structure. Background Art
[0002] At present, various functions of wearable electronic products have higher and higher integration levels, and the cost competitiveness in the industry is getting greater and greater. Each major manufacturer is trying every means to optimize product design and reduce the loss of human and material resources. Therefore, a design is now proposed to integrate two FPCs into one without changing the touch effect, reduce material costs and processes, and reduce costs to enhance the company's competitiveness. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a display module with an integrated design of an FPC with a COG structure.
[0004] The purpose of the utility model is realized by the following technical solutions:
[0005] A display module with an integrated design of an FPC with a COG structure, comprising: a display module and a composite FPC; a COG bonding position, a TPFPC bonding position and a FOGFPC bonding position are arranged at the bottom of the front surface of the display module; the composite FPC includes a TPFPC part and a FOGFPC part, and the two parts of the TPFPC part and the FOGFPC part are integrally designed.
[0006] In one embodiment, the COG bonding position is arranged at the bottom of the center of the front surface of the display module, and an IC is arranged on the COG bonding position.
[0007] In one embodiment, the TPFPC bonding position is arranged on the left side of the bottom of the front surface of the display module, and the ITO pins on the TPFPC bonding position are bonded together with the gold-plated nickel copper pins on the TPFPC part through ACF.
[0008] In one embodiment, the FOGFPC bonding position is arranged at the center of the bottom of the front surface of the display module and is located at the bottom of the COG bonding position.
[0009] In one embodiment, the ITO pins on the FOGFPC bonding position are bonded together with the gold-plated nickel copper pins on the FOGFPC part through ACF.
[0010] In one embodiment, the FOGFPC part accounts for 70% - 80% of the total area of the composite FPC, and the FOGFPC part is located on the left side of the front surface of the composite FPC.
[0011] In one embodiment, the TPFPC part accounts for 20% - 30% of the overall area of the synthetic FPC, and the TPFPC part is located on the right side at the top of the front side of the synthetic FPC.
[0012] In one embodiment, an opening is provided at the top position of the connection between the TPFPC part and the FOGFPC part, and the length of the opening is 3 / 10 of the length of the top area of the front side of the synthetic FPC.
[0013] In one embodiment, the synthetic FPC is a flexible circuit board, and electronic components are provided on the synthetic FPC.
[0014] In one embodiment, the TPFPC binding position is located on the right side at the top of the FOGFPC binding position, and the length of its front side is 1 / 2 of the length of the front side of the FOGFPC binding position.
[0015] Compared with the prior art, the present utility model has at least the following advantages:
[0016] The display module with an integrated COG - structured FPC design of the present utility model integrates the TPFPC part and the FOGFPC part through an integrated design, thus integrating the main - screen FPC and the touch - control FPC into one FPC, saving the space of one pad, reducing the cost of one FPC, and reducing the processes of plug - in, soldering, or FOF binding, thereby achieving the purpose of reducing costs and enhancing the company's competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a schematic diagram of the overall front - side structure of the display module with an integrated COG - structured FPC design of the present utility model.
[0019] In the figure: 1. Display module; 11. COG binding position; 12. TPFPC binding position; 13. FOGFPC binding position; 2. Synthetic FPC; 21. TPFPC part; 22. FOGFPC part; 23. Opening. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.
[0021] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 construed as a limitation to the present application.
[0022] Unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0024] As Figure 1 shown, a display module with an integrated design of COG structure and FPC includes: a display module 1 and a composite FPC 2; a COG binding position 11, a TPFPC binding position 12, and a FOGFPC binding position 13 are provided at the bottom of the front surface of the display module 1; the composite FPC 2 includes a TTPFPC part 21 and a FOGFPC part 22, and the two parts of the TTPFPC part 21 and the FOGFPC part 22 are integrally designed. It should be noted that the TTPFPC part 21 and the FOGFPC part 22 respectively correspond to the display FPC and the touch FPC of the display module 1, and the length and width of the front surface of the composite FPC 2 are smaller than the length and width of the front surface of the display module 1.
[0025] As Figure 1As shown in the figure, in one embodiment, the COG bonding position 11 is set at the bottom center of the front side of the display module 1, and an IC is provided on the COG bonding position 11. It should be noted that the length and width of the front side of the COG bonding position 11 match the length and width of the front side of the IC.
[0026] As Figure 1 shown in the figure, in one embodiment, the TPFPC bonding position 12 is set on the left side of the bottom of the front side of the display module 1. The ITO pins on the TPFPC bonding position 12 and the gold-plated nickel copper pins on the TTPFPC part 21 are bonded together through ACF. It should be noted that the length of the TTPFPC part 21 at the top of the TTPFPC part 21 is the same as the length of the TPFPC bonding position 12.
[0027] As Figure 1 shown in the figure, in one embodiment, the FOGFPC bonding position 13 is set at the center of the bottom of the front side of the display module 1 and is located at the bottom of the COG bonding position 11. The ITO pins on the FOGFPC bonding position 13 and the gold-plated nickel copper pins on the FOGFPC part 22 are bonded together through ACF. It should be noted that this design ensures that there is no interference when the display module 1 is connected to the IC, and the length of the front side of the FOGFPC part 22 is the same as the length of the front side of the FOGFPC bonding position 13.
[0028] As Figure 1 shown in the figure, in one embodiment, the FOGFPC part 22 accounts for 70% - 80% of the overall area of the composite FPC 2, and the FOGFPC part 22 is located in the left part of the front side of the composite FPC 2. The TTPFPC part 21 accounts for 20% - 30% of the overall area of the composite FPC 2, and the TTPFPC part 21 is located in the upper right part of the front side of the composite FPC 2.
[0029] As Figure 1 shown in the figure, in one embodiment, an opening 23 is provided at the top position of the connection between the TTPFPC part 21 and the FOGFPC part 22, and the length of the opening 23 is 3 / 10 of the length of the top area of the front side of the composite FPC 2. It should be noted that the function of the opening 23 is to enable the TTPFPC part 21 and the FOGFPC part 22 of the integrated FPC to be separated by a lever during bonding, facilitating the bonding operation at these two positions.
[0030] As Figure 1 shown in the figure, in one embodiment, the composite FPC 2 is a flexible circuit board, and electronic components are provided on the composite FPC 2. The TPFPC bonding position 12 is located on the upper right side of the FOGFPC bonding position 13, and the length of its front side is 1 / 2 of the length of the front side of the FOGFPC bonding position 13. It should be noted that the composite FPC 2 can be bent to the back of the display module 1.
[0031] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.
Claims
1. A display module with COG structure and FPC integrated design, characterized in that: include: Display module (1) and composite FPC (2); The bottom of the front side of the display module (1) is provided with a COG binding position (11), a TPFPC binding position (12) and a FOGFPC binding position (13); The synthetic FPC (2) comprises a TTPFPC part (21) and a FOGFPC part (22), and the TTPFPC part (21) and the FOGFPC part (22) are synthesized into an integrated design.
2. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The COG binding position (11) is arranged at the bottom of the center of the front side of the display module (1), and an IC is arranged on the COG binding position (11).
3. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The TPFPC binding position (12) is arranged on the left side of the bottom of the front side of the display module (1), and the ITO pin on the TPFPC binding position (12) and the gold-nickel-plated copper pin on the TPFPC part (21) are bound together through ACF.
4. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The FOGFPC binding position (13) is arranged at the center of the bottom of the front side of the display module (1) and is located at the bottom of the COG binding position (11).
5. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The ITO pins on the FOGFPC binding position (13) and the gold-nickel-plated copper pins on the FOGFPC portion (22) are bonded together via ACF.
6. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The FOGFPC portion (22) accounts for 70% to 80% of the overall area of the synthetic FPC (2), and the FOGFPC portion (22) is located on the left side of the front side of the synthetic FPC (2).
7. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The TTPFPC portion (21) occupies 20% to 30% of the overall area of the composite FPC (2), and the TTPFPC portion (21) is located on the right side of the top of the front side of the composite FPC (2).
8. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: An opening (23) is provided at the top position of the connection between the TTPFPC part (21) and the FOGFPC part (22), and the length of the opening (23) is 3 / 10 of the length of the top area of the front surface of the synthetic FPC (2).
9. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The composite FPC (2) is a flexible circuit board, and electronic components are arranged on the composite FPC (2).
10. The display module with COG structure and FPC integrated design according to claim 1, characterized in that: The TPFPC binding site (12) is located on the right side of the top of the FOGFPC binding site (13), and the length of its front side is 1 / 2 of the length of the front side of the FOGFPC binding site (13).