Large touch module and touch display screen using the same

Abstract

This utility model relates to the field of touch screen technology, specifically to an ultra-large touch module and a touch display screen using the touch module. It includes two transparent substrate layers made of polyester film, with a protective component adhered between the two transparent substrate layers. A touch component is located inside the protective component, and the upper and lower ends of the touch component are adhered to the two transparent substrate layers. The protective component blocks moisture from entering the touch component, preventing damage. A blocking layer and a sealant layer are respectively set between two shielding rings. The sealant layer protects the touch component; when the sealant layer is damaged, the blocking layer absorbs moisture and expands into a gel, providing further protection to the touch component and preventing moisture from entering and damaging it.

Description

Technical Field

[0001] This utility model relates to the field of touch screen technology, specifically to an ultra-large touch module and a touch display screen using the touch module. Background Technology

[0002] Large touch modules are typically used in places that require large-screen interaction and visual experience. They are generally used in large screens in smart classrooms, exhibitions, product showrooms and retail stores, or in conferences.

[0003] For example, Chinese patent CN214751822U discloses a touch module and a touch display screen using the touch module. The touch module includes a surface functional layer, a first transparent substrate layer, a first conductive layer and a second conductive layer. The surface functional layer is disposed on the upper surface of the first transparent substrate layer, and the first conductive layer and the second conductive layer are disposed on the lower surface of the first transparent substrate layer. The first conductive layer and the second conductive layer are stacked sequentially from the lower surface of the first transparent substrate layer.

[0004] However, the above solution has the following shortcomings: The above technical solution uses a thin film as the protective layer and conductive layer substrate of the capacitive screen to obtain an ultra-thin and flexible capacitive touch module. However, under the influence of the external environment, if the touch module is hit by a collision, the layers inside the module are prone to loosening and gaps are generated. At this time, moisture in the outside air may enter the touch module through the gaps, causing damage to the touch module. To this end, we have launched a new type of ultra-large touch module and its touch display screen. Utility Model Content

[0005] The purpose of this invention is to provide an ultra-large touch module and a touch display screen using the touch module, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: An ultra-large touch module includes two transparent substrate layers made of polyester film. A protective component is attached between the two transparent substrate layers. A touch component is located inside the protective component. The upper and lower ends of the touch component are attached to the two transparent substrate layers. The protective component blocks moisture from entering the touch component, preventing moisture from entering and damaging the touch component. A polystyrene microsphere layer and a polytetrafluoroethylene anti-fingerprint layer are sprayed onto the upper transparent substrate layer. By spraying microspheres and an anti-fingerprint layer onto the upper transparent substrate layer, the touch smoothness is improved.

[0007] Preferably, the protective component includes two shielding rings, which are fixedly connected to each other by a plurality of connecting blocks. A blocking layer is fixedly connected between the two connecting blocks. The upper and lower ends of the blocking layer are fixedly connected to the two shielding rings respectively. A connecting groove is provided on the opposite surfaces of the two transparent base layers, and the shielding rings are pasted and connected to the connecting grooves.

[0008] Preferably, the shielding ring is made of opaque plastic, the blocking layer is made of polyvinyl alcohol, and a silicone or polyurethane sealant layer is applied between the two shielding rings.

[0009] Preferably, the touch component includes a PET blue light blocking layer, a horizontal electrode layer, a polytetrafluoroethylene propylene insulating layer, and a vertical electrode layer. The upper end of the blue light blocking layer is bonded to the upper transparent substrate layer. An insulating layer is bonded between the horizontal electrode layer and the vertical electrode layer. The upper end of the horizontal electrode layer is bonded to the lower end of the blue light blocking layer, and the lower end of the vertical electrode layer is bonded to the lower transparent substrate layer.

[0010] In addition, to achieve the above objectives, this utility model also provides a touch display screen, including the aforementioned ultra-large touch module, including a display screen, wherein the upper end of the display screen is bonded to the lower transparent base layer.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a blocking layer and a sealing layer between two shielding rings. The sealing layer protects the touch component. When the sealing layer is damaged, the blocking layer absorbs water and expands into a gel after receiving moisture, providing a second layer of protection for the touch component and preventing moisture from entering the touch component and causing damage. Attached Figure Description

[0012] Figure 1 This is a three-dimensional anatomical view of the connection between the protective component and the transparent substrate layer of this utility model; Figure 2 This is a three-dimensional cross-sectional view of the connection between the protective component and the transparent substrate layer of this utility model; Figure 3 This is a three-dimensional cross-sectional view of the connection between the shielding ring and the blocking layer of this utility model; Figure 4 This is a three-dimensional structural diagram of the present invention.

[0013] In the diagram: 1. Transparent base layer; 2. Shielding ring; 3. Blocking layer; 4. Horizontal electrode layer; 5. Blue light blocking layer; 6. Insulating layer; 7. Vertical electrode layer; 8. Sealant layer; 9. Display screen; 10. Connecting block; 11. Connecting groove. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-4 This utility model provides a technical solution: Example 1: like Figure 4 As shown, an ultra-large touch module includes two transparent base layers 1 made of polyester film. A protective component is attached between the two transparent base layers 1. A touch component is located inside the protective component. The upper and lower ends of the touch component are attached to the two transparent base layers 1. The protective component blocks moisture from entering the touch component, preventing moisture from entering the touch component and causing damage. The adhesive used for bonding the components can be optical adhesive. A polystyrene microsphere layer and a polytetrafluoroethylene anti-fingerprint layer are sprayed onto the upper transparent base layer 1 to improve the smoothness of the touch.

[0016] like Figure 3 As shown, the protective component includes two shielding rings 2, which are fixedly connected to each other by several connecting blocks 10. A blocking layer 3 is fixedly connected between the two connecting blocks 10. The upper and lower ends of the blocking layer 3 are fixedly connected to the two shielding rings 2 respectively. A connecting groove 11 is opened on the opposite side of the two transparent base layers 1. The shielding rings 2 are pasted and connected in the connecting groove 11. The lower shielding ring 2 is fixed in the connecting groove 11 opened in the lower transparent base layer 1 by optical adhesive. The shielding rings 2 are made of opaque plastic. The shielding layer 3 is blocked by the opaque plastic shielding rings 2. The material of the blocking layer 3 is polyvinyl alcohol. Polyvinyl alcohol will absorb water and swell after contact with water to form a viscous colloid with good sealing and adhesion. A sealing layer 8 is also coated between the two shielding rings 2. When the sealing layer 8 is damaged, water will pass through the sealing layer 8 and come into contact with the blocking layer 3. The blocking layer 3 will swell after absorbing water and form a colloid to seal and protect the touch component again. like Figure 1 , Figure 2As shown, the touch component includes a PET blue light blocking layer 5, a horizontal electrode layer 4, a polytetrafluoroethylene propylene insulating layer 6, and a vertical electrode layer 7, which are bonded together by optical adhesive. The upper end of the blue light blocking layer 5 is bonded to the upper transparent substrate layer 1. An insulating layer 6 is bonded between the horizontal electrode layer 4 and the vertical electrode layer 7. The horizontal electrode layer 4 and the vertical electrode layer 7 are made of transparent conductors, such as indium tin oxide or silver oxide. The upper end of the horizontal electrode layer 4 is bonded to the lower end of the blue light blocking layer 5, and the lower end of the vertical electrode layer 7 is bonded to the lower transparent substrate layer 1. The blue light blocking layer 5, the horizontal electrode layer 4, the insulating layer 6, and the vertical electrode layer 7 are sequentially bonded together by optical adhesive to form the touch component. The touch component is placed inside the blocking layer 3. After placement, the upper shielding ring 2 is bonded to the upper transparent substrate layer 1 by forming a connecting groove 11. Figure 4 As shown, the sealant layer 8 is finally applied to the recessed groove formed between the two shielding rings 2. The sealant layer 8 can be made of materials such as silicone glue or polyurethane glue.

[0017] In addition, to achieve the above objectives, this utility model also provides a touch display screen, including the above-mentioned ultra-large touch module, including a display screen 9, wherein the upper end of the display screen 9 and the lower transparent base layer 1 are bonded together by optical adhesive.

[0018] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A super large touch module, comprising two transparent substrate layers of polyester film material, characterized in that, A protective component is attached between the two transparent substrate layers. A touch component is located inside the protective component. The upper and lower ends of the touch component are attached to the two transparent substrate layers. The protective component blocks moisture from entering the touch component, preventing moisture from damaging it. A polystyrene microsphere layer and a polytetrafluoroethylene anti-fingerprint layer are sprayed onto the upper part of the upper transparent substrate layer to improve the smoothness of the touch. 2.The super large touch module according to claim 1, wherein: The protective component includes two shielding rings, which are fixedly connected to each other by several connecting blocks. A blocking layer is fixedly connected between the two connecting blocks. The upper and lower ends of the blocking layer are fixedly connected to the two shielding rings respectively. A connecting groove is opened on the opposite surface of the two transparent base layers, and the shielding rings are pasted and connected in the connecting grooves.

3. The super large touch module according to claim 2, wherein: The shielding ring is made of opaque plastic, the blocking layer is made of polyvinyl alcohol, and a silicone or polyurethane sealant layer is applied between the two shielding rings.

4. The super large touch module according to claim 1, wherein: The touch component includes a PET blue light blocking layer, a horizontal electrode layer, a polytetrafluoroethylene propylene insulating layer, and a vertical electrode layer. The upper end of the blue light blocking layer is bonded to the upper transparent substrate layer. An insulating layer is bonded between the horizontal electrode layer and the vertical electrode layer. The upper end of the horizontal electrode layer is bonded to the lower end of the blue light blocking layer, and the lower end of the vertical electrode layer is bonded to the lower transparent substrate layer.

5. A touch display screen comprising a display screen, characterized in that It also includes the ultra-large touch module as described in any one of claims 1-4, wherein the display screen is connected to the lower transparent substrate layer of the ultra-large touch module.

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