Integrated light sensation touch screen structure of display module
By integrating the light-sensitive touch screen structure in the display module, directly welding the light-sensitive elements and connecting them with the touch FPC, the problems of complex installation and complex structure caused by the separation design of the light-sensitive elements and the touch screen in the prior art are solved, and a simpler and more flexible overall machine structure is achieved.
Patent Information
- Application Number
- CN202421227241.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The light sensing elements of the existing touch display module are designed separately from the touch screen, resulting in complex installation process and complex structure, and the entire machine structure is bloated.
Design an integrated light-sensitive touch screen structure of the display module. By directly welding the light-sensitive element to the light-sensitive FPC and connecting it with the touch-sensitive FPC, combining the double-sided adhesive and PI reinforcement design, the light-sensitive work of the light-sensitive element is realized.
It realizes that the touch screen and the light-sensitive element do not need to be separately assembled, the structure is simpler, and the overall structure design is more flexible.
Smart Images
Figure CN222636624U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display modules, in particular to an integrated light-sensitive touch screen structure of a display module. Background Art
[0002] At present, touch display modules generally have the function of sensing the intensity of external light and adjusting their own screen brightness. However, the light sensing element and the touch screen of the existing touch display module are designed separately. Therefore, when installing the display module, not only will the process be more complicated, but its structure will also be more complicated, making the overall structure of the display module more bloated. Therefore, an integrated light sensing touch screen structure of a display module is designed, so that the touch screen and the light sensing element do not need to be assembled separately, but are made into one, which can make the structure simpler and make the overall structure design more flexible. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an integrated light-sensitive touch screen structure of a display module.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] An integrated light-sensitive touch screen structure of a display module comprises: a cover plate, a touch FPC, a touch glass sensor and a light-sensitive FPC; a light-sensitive hole is arranged on the left side of the top of the front side of the cover plate, the bottom of the back of the cover plate is connected to the touch FPC, and a touch glass sensor is arranged on the back of the central display area of the cover plate; a double-sided adhesive is arranged on the left side of the back of the front side of the cover plate and on the back of the light-sensitive hole, a PI reinforcement is attached to the side of the double-sided adhesive away from the cover plate, a light-sensitive FPC is arranged on the back of the PI reinforcement, the bottom of the back of the light-sensitive FPC is connected to the top of the touch glass sensor, and a light-sensitive element is arranged on the back of the light-sensitive FPC; the light-sensitive element comprises a light-sensitive circuit, the light-sensitive circuit is connected to the light-sensitive FPC circuit board, and one end of the bottom of the light-sensitive circuit is connected to the metal PIN of the touch FPC.
[0006] In one of the embodiments, the photosensitive element is welded on the photosensitive FPC, and through holes are provided on the PI reinforcement and the photosensitive FPC at positions corresponding to the photosensitive element, and a single-sided adhesive foam is attached to the back of the photosensitive element.
[0007] In one of the embodiments, the touch glass sensor and the cover plate are connected to each other via optical glue, and the shape and size of the front side of the optical glue are matched with the shape and size of the front side of the touch glass sensor.
[0008] In one embodiment, protective glue is provided on the top and bottom of the touch glass sensor. The protective glue on the top of the touch glass sensor is glued to the light-sensing FPC, and the protective glue on the bottom of the touch glass sensor is glued to the touch FPC.
[0009] In one of the embodiments, an electronic component is disposed at the bottom of the touch FPC away from the cover plate, and a steel sheet is reinforced on the back of the touch FPC at a position corresponding to the electronic component by means of double-sided adhesive.
[0010] In one embodiment, the shape and size of the front side of the electronic component match the shape and size of the front side of the steel sheet reinforcement.
[0011] In one embodiment, the light sensing circuit extends downward from the bottom of the light sensing element and extends all the way to the touch FPC located at the bottom of the cover plate, and the light sensing circuit is located at the touch glass sensor and arranged along the edge of the touch glass sensor.
[0012] In one embodiment, the touch FPC and the touch glass sensor are connected to each other via a metal PIN.
[0013] In one of the embodiments, the four corners of the front side of the cover plate are rounded, and areas other than the central display area of the cover plate are silk-screened with black ink.
[0014] In one of the embodiments, the shape and size of the front side of the touch glass sensor match the shape and size of the front side of the cover plate.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The integrated light-sensitive touch screen structure of the display module of the utility model directly welds the light-sensitive element and the light-sensitive FPC together, and at the same time welds the circuit on the light-sensitive element and the circuit of the light-sensitive FPC together, and then connects the light-sensitive circuit of the light-sensitive element with the touch FPC, so that the light-sensitive FPC can be connected and conducted with the touch FPC, and the light-sensitive element can perform photosensitivity work normally through the circular holes designed on the double-sided adhesive and PI reinforcement. Therefore, the integrated light-sensitive touch screen structure of the display module can achieve the purpose of eliminating the need for separate assembly of the touch screen and the light-sensitive element, making its structure more concise and making the overall structure design more flexible. 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 integrated light-sensitive touch screen structure of the display module of the utility model;
[0019] Figure 2 This is a schematic diagram of the back of the integrated light-sensitive touch screen structure of the display module of the utility model;
[0020] Figure 3 It is a schematic diagram of the side stacking of the integrated light-sensitive touch screen structure of the display module of the utility model;
[0021] Figure 4 It is an enlarged schematic diagram of the back part of the integrated light-sensitive touch screen structure of the display module of the present invention.
[0022] In the figure: 1. Cover plate; 11. Photosensitive hole; 12. Double-sided adhesive; 13. PI reinforcement; 14. Photosensitive FPC; 15. Single-sided adhesive foam; 16. Photosensitive element; 161. Photosensitive circuit; 2. Touch FPC; 21. Electronic component; 22. Steel sheet reinforcement; 3. Touch glass sensor; 31. Protective glue; 32. Optical glue. DETAILED DESCRIPTION
[0023] 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.
[0024] 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.
[0025] 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.
[0026] 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.
[0027] like Figure 1-4 As shown, an integrated light-sensitive touch screen structure of a display module includes: a cover plate 1, a touch FPC 2, a touch glass sensor 3 and a light-sensitive FPC 14; a light-sensitive hole 11 is arranged on the left side of the top of the front side of the cover plate 1, the bottom of the back of the cover plate 1 is connected to the touch FPC 2, and the touch glass sensor 3 is arranged on the back of the central display area of the cover plate 1; a double-sided adhesive 12 is arranged on the left side of the back of the front side of the cover plate 1 and located on the back of the light-sensitive hole 11, a PI reinforcement 13 is attached to the side of the double-sided adhesive 12 away from the cover plate 1, a light-sensitive FPC 14 is arranged on the back of the PI reinforcement 13, the bottom of the back of the light-sensitive FPC 14 is connected to the top of the touch glass sensor 3, and a light-sensitive element 16 is arranged on the back of the light-sensitive FPC 14; the light-sensitive element 16 includes a light-sensitive circuit 161, the light-sensitive circuit 161 is connected to the circuit board of the light-sensitive FPC 14, and one end of the bottom of the light-sensitive circuit 161 is connected to the metal PIN of the touch FPC 2. It should be noted that the position of the photosensitive hole 11 corresponds to the position of the photosensitive element 16 , and the aperture size of the photosensitive hole 11 corresponds to the size of the photosensitive element 16 .
[0028] like Figure 1-4 As shown in the figure, in one embodiment, the photosensitive element 16 is welded on the photosensitive FPC 14, and through holes are provided at the positions of the PI reinforcement 13 and the photosensitive FPC 14 corresponding to the photosensitive element 16, and the back of the photosensitive element 16 is attached with a single-sided adhesive foam 15. It should be noted that the design sets the photosensitive element 16 and the photosensitive FPC 14 as an integrated structure, and adheres them to the cover plate 1 through a double-sided adhesive 12.
[0029] like Figure 1-4As shown, in one embodiment, the touch glass sensor 3 and the cover plate 1 are connected to each other through an optical glue 32, and the shape and size of the front of the optical glue 32 are adapted to the shape and size of the front of the touch glass sensor 3. It should be noted that the light transmittance of the optical glue 32 is between 95% and 98%.
[0030] like Figure 1-4 As shown in FIG. 1 , in one embodiment, protective glue 31 is provided at the top and bottom of the touch glass sensor 3. The protective glue 31 at the top of the touch glass sensor 3 is glued to the light sensing FPC 14, and the protective glue 31 at the bottom of the touch glass sensor 3 is glued to the touch FPC 2. It should be noted that the light sensing FPC 14 and the touch FPC 2 are fixed to the touch glass sensor 3 by the upper and lower protective glues 31.
[0031] like Figure 1-4 As shown, in one embodiment, an electronic component 21 is disposed at the bottom of the touch FPC2 away from the cover plate 1, and a steel sheet reinforcement 22 is bonded to the back of the touch FPC2 at a corresponding position of the electronic component 21 by double-sided adhesive. The shape and size of the front of the electronic component 21 match the shape and size of the front of the steel sheet reinforcement 22. It should be noted that this design enhances the strength of the area with the electronic component 21 on the touch FPC2.
[0032] like Figure 1-4 As shown, in one embodiment, the light sensing circuit 161 extends downward from the bottom of the light sensing element 16 and extends all the way to the touch FPC 2 located at the bottom of the cover plate 1, and the light sensing circuit 161 is located at the touch glass sensor 3 and is arranged along the edge of the touch glass sensor 3. It should be noted that the light sensing circuit 161 arranged on the touch glass sensor 3 is arranged on the left side of the front of the touch glass sensor 3 and is designed along the left edge thereof.
[0033] like Figure 1-4 As shown in an embodiment, the touch FPC 2 and the touch glass sensor 3 are connected to each other through a metal PIN. It should be noted that the touch FPC 2 is connected to the light sensing FPC 14 and the touch glass sensor 3.
[0034] like Figure 1-4 As shown, in one embodiment, the four corners of the front of the cover plate 1 are rounded, and the areas other than the central display area of the cover plate 1 are all screen-printed with black ink. The shape and size of the front of the touch glass sensor 3 match the shape and size of the front of the cover plate 1. It should be noted that the visible area of the touch glass sensor 3 and the center of the cover plate 1 correspond to each other.
[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 integrated light-sensitive touch screen structure of a display module, characterized in that: include: Cover plate (1), touch FPC (2), touch glass sensor (3) and light sensing FPC (14); A light sensing hole (11) is provided on the left side of the top of the front side of the cover plate (1), the bottom of the back side of the cover plate (1) is connected to the touch FPC (2), and a touch glass sensor (3) is provided on the back side of the central display area of the cover plate (1); A double-sided adhesive (12) is provided on the left side of the back of the front side of the cover plate (1) and located on the back of the light sensing hole (11); a PI reinforcement (13) is attached to the side of the double-sided adhesive (12) away from the cover plate (1); a light sensing FPC (14) is provided on the back of the PI reinforcement (13); the bottom of the back of the light sensing FPC (14) is connected to the top of the touch glass sensor (3); and a light sensing element (16) is provided on the back of the light sensing FPC (14); The photosensitive element (16) comprises a photosensitive circuit (161), the photosensitive circuit (161) and the photosensitive FPC (14) circuit board are interconnected, and one end of the bottom of the photosensitive circuit (161) is interconnected with a metal PIN of the touch FPC (2).
2. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The photosensitive element (16) is welded on the photosensitive FPC (14), and through holes are provided on the PI reinforcement (13) and the photosensitive FPC (14) at positions corresponding to the photosensitive element (16), and a single-sided adhesive foam (15) is attached to the back of the photosensitive element (16).
3. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The touch glass sensor (3) and the cover plate (1) are connected to each other via an optical adhesive (32), and the shape and size of the front side of the optical adhesive (32) are compatible with the shape and size of the front side of the touch glass sensor (3).
4. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The top and bottom of the touch glass sensor (3) are both provided with protective glue (31); the protective glue (31) located at the top of the touch glass sensor (3) is glued to the light-sensing FPC (14), while the protective glue (31) located at the bottom of the touch glass sensor (3) is glued to the touch FPC (2).
5. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: An electronic component (21) is arranged at the bottom of the touch FPC (2) on a side away from the cover plate (1), and a steel sheet reinforcement (22) is bonded to the back of the touch FPC (2) at a position corresponding to the electronic component (21) by double-sided adhesive.
6. The integrated optical touch screen structure of the display module according to claim 5, characterized in that: The shape and size of the front side of the electronic component (21) match the shape and size of the front side of the steel sheet reinforcement (22).
7. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The light sensing circuit (161) extends downward from the bottom of the light sensing element (16) and extends all the way to the touch FPC (2) located at the bottom of the cover plate (1); the light sensing circuit (161) is located on the touch glass sensor (3) and is arranged along the edge of the touch glass sensor (3).
8. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The touch FPC (2) and the touch glass sensor (3) are connected to each other via a metal PIN.
9. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The four corners of the front side of the cover plate (1) are all rounded, and areas other than the central display area of the cover plate (1) are all silk-screened with black ink.
10. The integrated optical touch screen structure of the display module according to claim 1, characterized in that: The shape and size of the front side of the touch glass sensor (3) are compatible with the shape and size of the front side of the cover plate (1).