Mobile phone touch display module with backlight FPC and display screen FPC welding-free structure
By adopting a welding-free structure in the mobile touch display module, the direct contact between the exposed protruding layers of the positive electrode and the negative electrode and the conductive foam is solved, and the problem of complex and easy to break connection between the backlight FPC and the display FPC is achieved, and the stability and Double increase in cost.
Patent Information
- Application Number
- CN202420081064.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-12
AI Technical Summary
The connection process of the backlight FPC and the display FPC of existing mobile phone display screens is complicated, which can easily lead to short circuits of positive and negative electrodes and connection breaks, and the welding process is difficult to control.
The design of a welding-free structure with backlight FPC and display screen FPC is adopted. The direct contact between the exposed protruding layers of the positive electrode and the negative electrode and the conductive foam is formed, which avoids the problem of short circuit of the positive and negative electrode caused by welding and saves production costs.
The problem of short circuit of positive and negative electrodes is completely avoided, and the connection failures during production and rework is reduced, the stability of electrical contact is improved, and the production cost is reduced.
Smart Images
Figure CN222189848U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a mobile phone touch display module, more specifically, to a mobile phone touch display module with a backlight FPC and a display screen FPC welding-free structure. Background Art
[0002] At present, mobile phone displays (touch display modules) generally connect the backlight FPC pins to the reserved pins of the display module FPC by welding, and the mobile phone motherboard supplies power to the backlight through the display FPC. In the actual production process, machinery and equipment are required to align the backlight FPC pins of each product with the reserved pads on the display FPC, and then connect the two FPCs together by welding. Poor alignment control or poor control of solder volume will cause the positive and negative poles of the backlight FPC to short-circuit, resulting in the backlight failing to light up normally. The two FPC connection process is relatively complicated, and the backlight FPC is small and thin, and is easily pulled apart during production operations and rework.
[0003] Chinese utility model patent document CN202178921U discloses an FPC welding structure of a mobile terminal LCD display screen, the FPC welding structure includes an FPC and a mobile terminal mainboard, the FPC is welded to a gold finger on the mobile terminal mainboard, wherein a first positioning hole and a second positioning hole are provided on the FPC, the first positioning hole is located on one side of the gold finger, and the second positioning hole is located on a side adjacent to the first positioning hole. The FPC welding structure of the mobile terminal LCD display screen, wherein the gold finger is rectangular, and the first positioning hole and the second positioning hole are located at the diagonal positions of the gold finger.
[0004] Obviously, this patent is an improvement on the FPC welding structure and cannot solve the existing technical problems. Utility Model Content
[0005] Based on this, it is necessary to provide a mobile phone touch display module with a backlight FPC and a display screen FPC solder-free structure for the above technical problems, comprising a touch screen module, a display screen module is arranged at the lower part of the touch screen module, a backlight module is arranged at the lower part of the display screen module, the touch screen module comprises a TP SENSOR body, a touch screen FPC is arranged on the TP SENSOR body, a positive electrode exposed protruding layer is arranged on the left side of the lower surface of the TP SENSOR body, and the TP A negative electrode exposed protruding layer is provided on the right side of the lower surface of the SENSOR body, the display screen module includes a display screen body, a display screen FPC is provided on the display screen body, the backlight module includes a backlight body, a backlight FPC is provided on the backlight body, a plurality of backlight LEDs are provided on the lower surface of the backlight FPC, a positive electrode PIN bending section is provided on the left side of the tail of the backlight FPC, a negative electrode PIN bending section is provided on the right side of the tail of the backlight FPC, a positive electrode glue frame boss is provided on the lower surface of the positive electrode PIN bending section, a negative electrode glue frame boss is provided on the lower surface of the negative electrode PIN bending section, a positive electrode conductive foam is provided on the upper surface of the positive electrode PIN bending section, and a negative electrode conductive foam is provided on the upper surface of the negative electrode PIN bending section, wherein the positive electrode exposed protruding layer corresponds to the positions of the positive electrode PIN bending section, the positive electrode glue frame boss and the positive electrode conductive foam, and the negative electrode exposed protruding layer corresponds to the positions of the negative electrode PIN bending section, the negative electrode glue frame boss and the negative electrode conductive foam. When the touch screen module, display module and backlight module are stacked and assembled, the exposed protruding layer of the positive electrode is in direct contact with the positive conductive foam, and the exposed protruding layer of the negative electrode is in direct contact with the negative conductive foam, so that an electrical connection is formed, and the mobile phone motherboard can directly provide power to the backlight FPC of the backlight module through the touch screen FPC of the touch screen module. Since the single-direction output pin in the prior art is changed to positive and negative output pins on the left and right in the mobile phone touch display module, the backlight separates the positive and negative pins, which completely avoids the positive and negative short circuit problem caused by misalignment and welding. Since there is no need to weld the backlight FPC and the display FPC, production costs are saved, and the backlight FPC and the display FPC are prevented from being torn apart during production and rework.
[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0007] A mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure, characterized in that the mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure comprises a touch screen module, a display screen module is provided at the bottom of the touch screen module, and a backlight module is provided at the bottom of the display screen module.
[0008] The touch screen module comprises a TP SENSOR body, a touch screen FPC is arranged on the TP SENSOR body, a positive electrode exposed protruding layer is arranged on the left side of the lower surface of the TP SENSOR body, and a negative electrode exposed protruding layer is arranged on the right side of the lower surface of the TP SENSOR body.
[0009] The display screen module comprises a display screen body, on which a display screen FPC is arranged.
[0010] The backlight module comprises a backlight body, a backlight FPC is arranged on the backlight body, a plurality of backlight LEDs are arranged on the lower surface of the backlight FPC, a positive PIN bending section is arranged on the left side of the tail of the backlight FPC, a negative PIN bending section is arranged on the right side of the tail of the backlight FPC, a positive electrode glue frame boss is arranged on the lower surface of the positive electrode PIN bending section, a negative electrode glue frame boss is arranged on the lower surface of the negative electrode PIN bending section, a positive electrode conductive foam is arranged on the upper surface of the positive electrode PIN bending section, and a negative electrode conductive foam is arranged on the upper surface of the negative electrode PIN bending section.
[0011] Among them, the exposed protruding layer of the positive electrode corresponds to the position of the positive electrode PIN bending section, the positive electrode glue frame boss and the positive electrode conductive foam, and the exposed protruding layer of the negative electrode corresponds to the position of the negative electrode PIN bending section, the negative electrode glue frame boss and the negative electrode conductive foam.
[0012] As a preferred embodiment of the mobile phone touch display module with a backlight FPC and a display screen FPC welding-free structure provided by the utility model, the thickness of the positive electrode exposed protruding layer and the negative electrode exposed protruding layer is 300 nanometers to 800 nanometers.
[0013] As a preferred implementation of the mobile phone touch display module with a backlight FPC and a display screen FPC welding-free structure provided by the utility model, the thickness of the positive electrode exposed protruding layer and the negative electrode exposed protruding layer is 500 nanometers.
[0014] As a preferred implementation of the mobile phone touch display module with backlight FPC and display screen FPC welding-free structure provided by the utility model, the positive electrode exposed protruding layer and the negative electrode exposed protruding layer are both formed by etching ITO film.
[0015] As a preferred implementation of the mobile phone touch display module with backlight FPC and display screen FPC welding-free structure provided by the utility model, the positive electrode exposed protruding layer and the negative electrode exposed protruding layer are both vapor deposition layers.
[0016] As a preferred implementation of the mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure provided by the utility model, the positive PIN bending section and the positive PIN bending section are both bent at 90 degrees.
[0017] As a preferred implementation of the mobile phone touch display module with backlight FPC and display screen FPC soldering-free structure provided by the utility model, the thickness of the positive conductive foam and the negative conductive foam is 0.1 mm to 0.3 mm.
[0018] As a preferred implementation of the mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure provided by the utility model, the thickness of the positive electrode conductive foam and the negative electrode conductive foam are both 0.2 mm.
[0019] As a preferred implementation of the mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure provided by the utility model, an insulating isolation block is provided at the tail of the backlight FPC.
[0020] As a preferred embodiment of the mobile phone touch display module with backlight FPC and display screen FPC soldering-free structure provided by the utility model, the surfaces of the positive electrode exposed protruding layer and the negative electrode exposed protruding layer are both provided with protruding contact protrusions.
[0021] Compared with the prior art, the utility model has the following beneficial effects:
[0022] The utility model provides a mobile phone touch display module with a backlight FPC and a display screen FPC welding-free structure. When the touch screen module, the display screen module and the backlight module are stacked and assembled, the exposed protruding layer of the positive electrode is in direct contact with the positive electrode conductive foam, and the exposed protruding layer of the negative electrode is in direct contact with the negative electrode conductive foam, so that an electrical connection is formed, and the mobile phone motherboard can directly provide power to the backlight FPC of the backlight module through the touch screen FPC of the touch screen module. Since the single-direction output pin in the prior art is changed to positive and negative output pins on the left and right respectively in the mobile phone touch display module, the backlight separates the positive and negative pins, and completely avoids the positive and negative short circuit problem caused by misalignment and welding. Since there is no need to weld the backlight FPC and the display screen FPC, the production cost is saved, and the backlight FPC and the display screen FPC are also avoided from being torn apart during production and rework.
[0023] In addition, the surfaces of the positive electrode exposed protrusion layer and the negative electrode exposed protrusion layer can be provided with protruding contact protrusions. The contact protrusions on the surfaces of the positive electrode exposed protrusion layer and the negative electrode exposed protrusion layer can further improve the contact adhesion of the positive electrode exposed protrusion layer and the negative electrode exposed protrusion layer, and improve the stability of the electrical contact.
[0024] In addition, an insulating isolation block can be provided at the tail of the backlight FPC. By using the insulating isolation block, the leakage current between the positive conductive foam and the negative conductive foam can be effectively reduced, and the stability of electrical contact can be further improved. Description of the Drawings
[0025] In order to more clearly illustrate the solutions in the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0026] FIG. 1 is a schematic structural diagram of a mobile phone touch display module with a backlight FPC and a display screen FPC free of welding;
[0027] FIG. 2 is a schematic structural diagram of the mobile phone touch display module with a backlight FPC and a display screen FPC free of welding in FIG. 1, at this time from another perspective;
[0028] Figure 3 FIG. 15 is a detailed enlarged schematic diagram of area A of the three-dimensional structural diagram of the mobile phone touch display module with a backlight FPC and a display screen FPC free of welding in FIG. 2;
[0029] FIG. 4 is Figure 3 a detailed enlarged schematic diagram of area B in;
[0030] Figure 5 is a schematic structural diagram of another embodiment of the mobile phone touch display module with a backlight FPC and a display screen FPC free of welding of the present invention;
[0031] The markings in the figures are described as follows: 1. Touch screen module; 1N, Touch screen FPC; 10, 琓P SENSOR body; 11-A, Positive electrode exposed protruding layer; 11-B, Negative electrode exposed protruding layer; 2. Display screen module; 20, Display screen body; 21, Display screen FPC; 3. Backlight module; 30, Backlight body; 31, Backlight FPC; 311-A, Positive electrode PIN bending section; 311-B, Negative electrode PIN bending section; 32, Backlight LED; 33-A, Positive electrode rubber holder boss; 33-B, Negative electrode rubber holder boss; 34-A, Positive electrode conductive foam; 34-B, Negative electrode conductive foam; 35, Insulating isolation block. Detailed Embodiment
[0032] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0033] As described in the background technology, the prior art for mobile phone displays generally connects the backlight FPC pins to the reserved pins of the FPC of the display module by welding, and the mobile phone motherboard supplies power to the backlight through the display FPC. In the actual production process, machinery and equipment are required to align the backlight FPC pins of each product with the reserved pads on the display FPC, and then connect the two FPCs together by welding. Poor alignment control or poor control of the amount of solder will cause the positive and negative poles of the backlight FPC to short-circuit, resulting in the backlight failing to light up normally. The two FPC connection process is relatively complicated, and the backlight FPC is relatively small and thin, and is easily pulled apart during production operations and rework.
[0034] In order to solve this technical problem, the utility model provides a mobile phone touch display module with a backlight FPC and a display screen FPC solder-free structure, comprising a touch screen module 1, a display screen module 2 is provided at the lower part of the touch screen module 1, and a backlight module 3 is provided at the lower part of the display screen module 2. The touch screen module 1 comprises a TP SENSOR body 10, and a touch screen FPC 1N is provided on the TP SENSOR body 10. A positive electrode exposed protruding layer 11-A is provided on the left side of the lower surface of the TP SENSOR body 10, and a negative electrode exposed protruding layer 11-B is provided on the right side of the lower surface of the TP SENSOR body 10. The display screen module 2 comprises a display screen body 20, and a display screen FPC 21 is provided on the display screen body 20. The backlight module 3 includes a backlight body 30, on which a backlight FPC 31 is provided, and a plurality of backlight LEDs 32 are provided on the lower surface of the backlight FPC 31, a positive PIN bending section 311-A is provided on the left side of the tail of the backlight FPC 31, and a negative PIN bending section 311-B is provided on the right side of the tail of the backlight FPC 31, a positive electrode glue frame boss 33-A is provided on the lower surface of the positive electrode PIN bending section 311-A, a negative electrode glue frame boss 33-B is provided on the lower surface of the negative electrode PIN bending section 311-B, a positive electrode conductive foam 34-A is provided on the upper surface of the positive electrode PIN bending section 311-A, and a negative electrode conductive foam 34-B is provided on the upper surface of the negative electrode PIN bending section 311-B. The exposed protruding layer 11-A of the positive electrode corresponds to the position of the positive electrode PIN bending section 311-A, the positive electrode plastic frame boss 33-A and the positive electrode conductive foam 34-A. The exposed protruding layer 11-B of the negative electrode corresponds to the position of the negative electrode PIN bending section 311-B, the negative electrode plastic frame boss 33-B and the negative electrode conductive foam 34-B.
[0035] Through the above structural design, when the touch screen module 1, the display screen module 2 and the backlight module 3 are stacked and assembled, the positive exposed protruding layer 11-A is in direct contact with the positive conductive foam 34-A, and the negative exposed protruding layer 11-B is in direct contact with the negative conductive foam 34-B, so that an electrical connection is formed, and the mobile phone motherboard can directly provide power to the backlight FPC31 of the backlight module 3 through the touch screen FPC1N of the touch screen module 1. Since the single-direction output pin in the prior art is changed to the positive and negative output pins on the left and right in the mobile phone touch display module, the backlight separates the positive and negative pins, and completely avoids the positive and negative short circuit problem caused by misalignment and welding. Since there is no need to weld the backlight FPC31 and the display screen FPC21, the production cost is saved, and the backlight FPC31 and the display screen FPC21 are also avoided from being torn apart during production and rework.
[0036] In order to enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.
[0037] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0039] Example 1
[0040] As shown in Figure 1 and Figure 2, Figure 3 As shown in FIG. 4 , the mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure comprises a touch screen module 1 , a display screen module 2 is disposed at the lower portion of the touch screen module 1 , and a backlight module 3 is disposed at the lower portion of the display screen module 2 .
[0041] The touch screen module 1 includes a TP SENSOR body 10 , a positive electrode exposed protruding layer 11 -A is disposed on the left side of the lower surface of the TP SENSOR body 10 , and a negative electrode exposed protruding layer 11 -B is disposed on the right side of the lower surface of the TP SENSOR body 10 .
[0042] The display screen module 2 includes a display screen body 20 , and a display screen FPC 21 is disposed on the display screen body 20 .
[0043] The backlight module 3 includes a backlight body 30, on which a backlight FPC 31 is provided, and a plurality of backlight LEDs 32 are provided on the lower surface of the backlight FPC 31, a positive PIN bending section 311-A is provided on the left side of the tail of the backlight FPC 31, and a negative PIN bending section 311-B is provided on the right side of the tail of the backlight FPC 31, a positive electrode glue frame boss 33-A is provided on the lower surface of the positive electrode PIN bending section 311-A, a negative electrode glue frame boss 33-B is provided on the lower surface of the negative electrode PIN bending section 311-B, a positive electrode conductive foam 34-A is provided on the upper surface of the positive electrode PIN bending section 311-A, and a negative electrode conductive foam 34-B is provided on the upper surface of the negative electrode PIN bending section 311-B.
[0044] It should be noted that the exposed protruding layer 11-A of the positive electrode corresponds to the position of the positive electrode PIN bending section 311-A, the positive electrode glue frame boss 33-A and the positive electrode conductive foam 34-A. The exposed protruding layer 11-B of the negative electrode corresponds to the position of the negative electrode PIN bending section 311-B, the negative electrode glue frame boss 33-B and the negative electrode conductive foam 34-B.
[0045] In addition, the thickness of the positive electrode exposed protruding layer 11-A and the negative electrode exposed protruding layer 11-B is 300 nanometers to 800 nanometers. Preferably, the thickness of the positive electrode exposed protruding layer 11-A and the negative electrode exposed protruding layer 11-B is 500 nanometers.
[0046] In addition, the positive electrode exposed protruding layer 11-A and the negative electrode exposed protruding layer 11-B are both formed by etching an ITO film. Alternatively, the positive electrode exposed protruding layer 11-A and the negative electrode exposed protruding layer 11-B are both vapor-deposited layers.
[0047] In addition, the positive electrode PIN bending section 311 -A and the negative electrode PIN bending section 311 -B are both bent at 90 degrees.
[0048] The thickness of the positive electrode conductive foam 34-A and the negative electrode conductive foam 34-B is 0.1 mm to 0.3 mm. Preferably, the thickness of the positive electrode conductive foam 34-A and the negative electrode conductive foam 34-B is 0.2 mm.
[0049] The working mode of this embodiment is described below.
[0050] As shown in FIG4 , after the touch screen module 1, the display screen module 2 and the backlight module 3 are stacked and assembled, the exposed protruding layer 11-A of the positive electrode is in direct contact with the positive electrode conductive foam 34-A, and the exposed protruding layer 11-B of the negative electrode is in direct contact with the negative electrode conductive foam 34-B, so that an electrical connection is formed, and the mobile phone motherboard can directly provide power to the backlight FPC31 of the backlight module 3 through the touch screen FPC1N of the touch screen module 1. Since the single-direction output pin in the prior art is changed to the positive and negative output pins on the left and right in the mobile phone touch display module, the backlight separates the positive and negative pins, and completely avoids the positive and negative short circuit problem caused by misalignment and welding. Since there is no need to weld the backlight FPC31 and the display screen FPC21, the production cost is saved, and the backlight FPC31 and the display screen FPC21 are also avoided from being torn apart during production and rework.
[0051] Example 2
[0052] like Figure 5As shown, the mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure provided in Example 1 is further optimized. Specifically, protruding contact protrusions P are provided on the surfaces of the positive electrode exposed protruding layer 11-A and the negative electrode exposed protruding layer 11-B.
[0053] The working mode of this embodiment is described below.
[0054] By utilizing the contact protrusions P on the surfaces of the positive electrode exposed protrusion layer 11-A and the negative electrode exposed protrusion layer 11-B, the contact adhesion between the positive electrode exposed protrusion layer 11-A and the negative electrode exposed protrusion layer 11-B can be further improved, thereby improving the stability of the electrical contact.
[0055] Example 3
[0056] The mobile phone touch display module with a solder-free structure of a backlight FPC and a display screen FPC provided in Example 1 or 2 is further optimized. Specifically, an insulating isolation block 35 is provided at the tail of the backlight FPC 31 .
[0057] The working mode of this embodiment is described below.
[0058] By using the insulating isolation block 35, the leakage current of the positive electrode conductive foam 34-A and the negative electrode conductive foam 34-B can be effectively reduced, and the stability of the electrical contact can be further improved.
[0059] The terms "coupling" and "coupling" involved in the embodiments of the present application should be understood in a broad sense. For example, they may refer to a direct physical connection, or an indirect connection achieved through electronic devices, such as a connection achieved through resistors, inductors, capacitors or other electronic devices.
[0060] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0061] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.
Claims
1. A mobile phone touch display module with a backlight FPC and a display FPC welding-free structure, characterized in that: The mobile phone touch display module with a backlight FPC and a display screen FPC solder-free structure comprises a touch screen module (1), a display screen module (2) is provided at the bottom of the touch screen module (1), and a backlight module (3) is provided at the bottom of the display screen module (2). The touch screen module (1) comprises a TP SENSOR body (10), a touch screen FPC (1N) is provided on the TP SENSOR body (10), a positive electrode exposed protruding layer (11-A) is provided on the left side of the lower surface of the TP SENSOR body (10), and a negative electrode exposed protruding layer (11-B) is provided on the right side of the lower surface of the TP SENSOR body (10). The display screen module (2) comprises a display screen body (20), on which a display screen FPC (21) is arranged; the backlight module (3) comprises a backlight body (30), on which a backlight FPC (31) is arranged; a plurality of backlight LEDs (32) are arranged on the lower surface of the backlight FPC (31); a positive electrode PIN bending section (311-A) is arranged on the left side of the tail of the backlight FPC (31); a negative electrode PIN bending section (311-B) is arranged on the right side of the tail of the backlight FPC (31); a positive electrode glue frame boss (33-A) is arranged on the lower surface of the positive electrode PIN bending section (311-A); and a positive electrode PIN bending section (33-A) is arranged on the lower surface of the negative electrode PIN bending section. A negative electrode glue frame boss (33-B) is provided on the lower surface of the segment (311-B), a positive electrode conductive foam (34-A) is provided on the upper surface of the positive electrode PIN bending segment (311-A), and a negative electrode conductive foam (34-B) is provided on the upper surface of the negative electrode PIN bending segment (311-B), wherein the positive electrode exposed protruding layer (11-A) corresponds to the positions of the positive electrode PIN bending segment (311-A), the positive electrode glue frame boss (33-A) and the positive electrode conductive foam (34-A), and the negative electrode exposed protruding layer (11-B) corresponds to the positions of the negative electrode PIN bending segment (311-B), the negative electrode glue frame boss (33-B) and the negative electrode conductive foam (34-B).
2. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 1, characterized in that: The thickness of the positive electrode exposed protruding layer (11-A) and the negative electrode exposed protruding layer (11-B) is 300 nanometers to 800 nanometers.
3. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 2, characterized in that: The thickness of the positive electrode exposed protruding layer (11-A) and the negative electrode exposed protruding layer (11-B) is 500 nanometers.
4. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 1, characterized in that: The positive electrode exposed protruding layer (11-A) and the negative electrode exposed protruding layer (11-B) are both formed by etching an ITO film.
5. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 1, characterized in that: The positive electrode exposed protruding layer (11-A) and the negative electrode exposed protruding layer (11-B) are both vapor-deposited layers.
6. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 1, characterized in that: The positive electrode PIN bending section (311-A) and the positive electrode PIN bending section (311-B) are both bent at 90 degrees.
7. The mobile phone touch display module with a backlight FPC and a display screen FPC solder-free structure according to claim 1, characterized in that: The thickness of the positive electrode conductive foam (34-A) and the negative electrode conductive foam (34-B) is 0.1 mm to 0.3 mm.
8. The mobile phone touch display module with a backlight FPC and a display screen FPC solder-free structure according to claim 7, characterized in that: The thickness of the positive electrode conductive foam (34-A) and the negative electrode conductive foam (34-B) is 0.2 mm.
9. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 1, characterized in that: An insulating isolation block (35) is provided at the tail of the backlight FPC (31).
10. The mobile phone touch display module with a backlight FPC and a display screen FPC soldering-free structure according to claim 1, characterized in that: The surfaces of the positive electrode exposed protruding layer (11-A) and the negative electrode exposed protruding layer (11-B) are both provided with protruding contact protrusions (P).