Structure convenient for checking binding position of touch screen
By setting square grooves on the metal MO layer of the touch screen to leave a transparent area, the problem of checking the ACF gold ball effect in the prior art is solved, and non-destructive inspection is achieved, and production efficiency and quality are improved.
Patent Information
- Application Number
- CN202420975105.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In the prior art, the ACF gold ball effect on the back of the touch screen is blocked by the metal oxide layer, and it usually requires a destructive method to check, which is inefficient and may damage the screen.
Design a structure that is convenient for checking the positioning of touch screens. By setting square grooves on the metal MO layer, a transparent area is left, allowing the ACF gold ball effect to be observed, and the grooves are designed in an opposite direction on multiple metal MOs. Convenient inspection.
It realizes intuitively checking the ACF golden ball effect without destroying the touch screen, improving production efficiency and quality.
Smart Images
Figure CN222354412U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of touch screens, in particular to a structure for facilitating checking of binding positions of touch screens. Background Art
[0002] In touch screen technology, G+G structure touch screen is a common structure. In this structure, glass sensor is bound to FPC (flexible printed circuit board), and then electrical connection is achieved through ACF (anisotropic conductive adhesive) gold balls. However, due to the presence of metal MO (metal oxide) layer, the effect of ACF gold balls will be blocked when checking from the back of the touch screen, so it can only be checked by destruction. This method is not only inefficient, but also may damage the touch screen. Therefore, a structure is designed to facilitate the inspection of the touch screen binding position, which can conveniently check the ACF gold ball effect from the back without destroying the binding position. Utility Model Content
[0003] The utility model aims to overcome the shortcomings of the prior art and provide a structure that is convenient for checking the binding position of a touch screen.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A structure for conveniently checking the binding position of a touch screen comprises: a touch screen, wherein the touch screen comprises: an insulating protection layer, a metal MO, a transparent ITO conductive layer, an anisotropic conductive adhesive, glass and an FPC; the FPC is arranged on the top of the front side of the glass, the transparent ITO conductive layer is arranged on the anisotropic conductive adhesive, the top of the front side of the FPC and the bottom of the insulating protection layer are connected to each other, the metal MO is arranged on the insulating protection layer and the transparent ITO conductive layer; the metal MO is arranged on the metal of the anisotropic conductive adhesive and has a groove.
[0006] In one embodiment, the bottom of the insulating protection layer overlaps with the binding position on the top of the FPC.
[0007] In one of the embodiments, the insulating protection layer is located on the top of the FPC, the front side of the anisotropic conductive adhesive is in a square shape, and the anisotropic conductive adhesive is arranged on the front side bound to the top of the front side of the FPC.
[0008] In one of the embodiments, the front side of the groove is in the shape of a square, and the length and width of the front side of the groove are 0.3 mm to 0.5 mm.
[0009] In one of the embodiments, the front side of the transparent ITO conductive layer is in the shape of a rectangle and is laid flat along the surface of the anisotropic conductive adhesive, and the grooves thereon are designed to be opposite to each other on the left and right sides.
[0010] In one embodiment, a protective film is disposed on the surface of the glass, and a cover plate is disposed on the front side of the glass.
[0011] In one of the embodiments, the area of the binding position on the top of the FPC matches the area of the front surface of the anisotropic conductive adhesive.
[0012] In one embodiment, the FPC is a flexible circuit board, and electronic components are arranged on the surface of the FPC.
[0013] In one of the embodiments, the length of the side where the bottom of the insulating protection layer is connected to the top of the FPC is matched with the length of the front side of the binding area on the top of the FPC.
[0014] In one of the embodiments, the metal MO on the insulating protection layer and the metal MO on the anisotropic conductive adhesive are interconnected vertically.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The utility model has a structure for conveniently checking the binding position of the touch screen. The metal MO bound to the FPC is set to be square and spaced apart, and a groove is provided on the metal MO to reserve a transparent area for conveniently checking the ACF gold ball effect. The grooves are designed in opposite directions on a plurality of metal MOs, so that the staff can observe and check the effect of the ACF gold ball intuitively without damaging the touch screen, thereby improving production efficiency and quality. 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 structure of the utility model for facilitating inspection of the binding position of the touch screen.
[0019] In the figure: 1. touch screen; 11. insulating protection layer; 12. metal MO; 121. groove; 13. transparent ITO2 conductive layer; 14. anisotropic conductive adhesive; 15. glass; 16. FPC. DETAILED DESCRIPTION
[0020] 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.
[0021] 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.
[0022] 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.
[0023] 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.
[0024] like Figure 1As shown, a structure for checking the binding position of a touch screen includes: a touch screen 1, the touch screen 1 includes an insulating protection layer 11, a metal MO12, a transparent ITO2 conductive layer 13, an anisotropic conductive adhesive 14, a glass 15 and an FPC16; the FPC16 is arranged on the top of the front side of the glass 15, the transparent ITO2 conductive layer 13 is arranged on the anisotropic conductive adhesive 14, the top of the front side of the FPC16 and the bottom of the insulating protection layer 11 are connected to each other, the metal MO12 is arranged on the insulating protection layer 11 and the transparent ITO2 conductive layer 13; the metal MO12 is arranged on the metal of the anisotropic conductive adhesive 14 and a groove 121 is arranged. It should be noted that the metal MO12 on the anisotropic conductive adhesive 14 is designed in an interval type, the distance between each block is equal, and the end block extends outwardly to form a "T"-shaped block, and an insulating protective layer 11 is provided on the extended block. This design allows the transparent ITO2 conductive layer 13 under the metal MO12 to achieve the purpose of double conductive connection, which not only improves adhesion but also increases reliability. Moreover, the transparent ITO2 conductive layer 13 is transparent and does not affect the gold ball effect of inspecting the anisotropic conductive adhesive 14.
[0025] like Figure 1 As shown in one embodiment, the bottom of the insulating protective layer 11 overlaps with the binding position of the top of the FPC 16. It should be noted that the insulating protective layer 11 is made of PVC polyethylene material, which can protect the FPC 16 and play the role of insulation and blocking.
[0026] like Figure 1 As shown, in one embodiment, the insulating protective layer 11 is located on the top of the FPC 16, the front of the anisotropic conductive adhesive 14 is in a square shape, and the anisotropic conductive adhesive 14 is arranged on the front side bound to the top of the front of the FPC 16. It should be noted that the anisotropic conductive adhesive 14 is made of AG particles, and the anisotropic conductive adhesive 14 can realize the electrical signal conduction of the FPC 16.
[0027] like Figure 1 As shown, in one embodiment, the front of the groove 121 is square, and the length and width of the front of the groove 121 are 0.3mm to 0.5mm. It should be noted that the design retains the metal MO area 12 in the binding position as much as possible, and only digs out the metal MO12 in the middle area of the binding position to remove the groove 121 area. This position can not only better observe the gold ball effect of the anisotropic conductive glue 14, but also retain the metal MO12 block connected up and down through the metal MO12 line 0.03 to 0.08mm.
[0028] like Figure 1As shown, in one embodiment, the front side of the transparent ITO2 conductive layer 13 is rectangular and is laid flat along the surface of the anisotropic conductive adhesive 14, and the grooves 121 thereon are designed to be left and right opposite. It should be noted that this design can enlarge the observation area as much as possible, making it convenient for the staff to check the gold ball effect of the anisotropic conductive adhesive 14.
[0029] like Figure 1 As shown, in one embodiment, a protective film is provided on the surface of the glass 15, and a cover plate is provided on the front of the glass 15. The area of the top binding position of FPC16 is adapted to the area of the front of the anisotropic conductive adhesive 14. FPC16 is a flexible circuit board, and electronic components are provided on its surface. It should be noted that the drawings in the specification of this technical solution Figure 1 Only part of the content is shown.
[0030] like Figure 1 As shown, in one embodiment, the length of the side where the bottom of the insulating protective layer 11 and the top of the FPC 16 are connected to each other is adapted to the length of the front side of the top binding area of the FPC 16. The metal MO 12 on the insulating protective layer 11 and the metal MO 12 on the anisotropic conductive adhesive 14 are connected to each other up and down. It should be noted that this design is convenient for the staff to install the touch screen 1.
[0031] 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 structure for facilitating checking of the binding position of a touch screen, characterized in that: include: A touch screen (1), the touch screen (1) comprising an insulating protective layer (11), a metal MO (12), a transparent ITO2 conductive layer (13), an anisotropic conductive adhesive (14), glass (15) and an FPC (16); The FPC (16) is arranged on the top of the front surface of the glass (15), the transparent ITO2 conductive layer (13) is arranged on the anisotropic conductive adhesive (14), the top of the front surface of the FPC (16) and the bottom of the insulating protective layer (11) are connected to each other, and the metal MO (12) is arranged on the insulating protective layer (11) and the transparent ITO2 conductive layer (13); The metal MO (12) is arranged on the metal of the anisotropic conductive adhesive (14) and has a groove (121).
2. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The bottom of the insulating protection layer (11) and the binding position of the top of the FPC (16) overlap with each other.
3. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The insulating protective layer (11) is located on the top of the FPC (16); the front face of the anisotropic conductive adhesive (14) is in a square shape; the anisotropic conductive adhesive (14) is arranged on the front face bound to the top of the front face of the FPC (16).
4. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The front face of the groove (121) is in the shape of a square, and the length and width of the front face of the groove (121) are 0.3 mm to 0.5 mm.
5. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The front face of the transparent ITO2 conductive layer (13) is rectangular in shape and is laid flat along the surface of the anisotropic conductive adhesive (14), and the grooves (121) thereon are designed to be opposite to each other on the left and right.
6. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: A protective film is provided on the surface of the glass (15), and a cover plate is provided on the front side of the glass (15).
7. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The area of the binding position on the top of the FPC (16) matches the area of the front surface of the anisotropic conductive adhesive (14).
8. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The FPC (16) is a flexible circuit board, and electronic components are arranged on its surface.
9. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The length of the side where the bottom of the insulating protection layer (11) and the top of the FPC (16) are connected to each other is adapted to the length of the front side of the binding area at the top of the FPC (16).
10. The structure for facilitating checking of the binding position of a touch screen according to claim 1, characterized in that: The metal MO (12) on the insulating protection layer (11) and the metal MO (12) on the anisotropic conductive adhesive (14) are designed to be interconnected vertically.