CN220021640U - Main screen FPC and mobile phone structure - Google Patents

Abstract

The utility model discloses a main screen FPC, which comprises a main screen binding part, a wiring extension part and a main board connection part, wherein the main screen binding part is connected to one end of the wiring extension part, a main screen golden finger is arranged, the main board connection part is connected to the other end of the wiring extension part, a main board connector is arranged, and the main screen golden finger is electrically connected with the main board connector through an internal wiring of the wiring extension part; the main screen binding part is further provided with a first switching connector, the main board connecting part is further provided with a second switching connector, and the first switching connector and the second switching connector are respectively electrically connected with the main board connector through internal wiring of the wiring extension part. The main screen FPC integrates the component switching function, reduces the product cost, reduces the assembly steps, and improves the assembly efficiency and the product yield. The utility model also provides a mobile phone structure comprising the main screen FPC.

Description

Main screen FPC and mobile phone structure

Technical Field

The utility model relates to the field of mobile phones, in particular to a main screen FPC and a mobile phone structure.

Background

At present, when the mobile phone display module is assembled, a main screen FPC is required to be adopted to connect the display screen module to the main board module, so that signal wires, MIPI wires, power wires and the like of a driving IC on the display screen module are transmitted to the main board module through a connector on the main screen FPC. The chinese patent No. CN201320779065.1 discloses a mobile phone with a display module without element FPC, which comprises a display module, a display module FPC and a mobile phone motherboard, wherein the display module is connected with the display module FPC, the display module FPC is connected with the mobile phone motherboard through an interface, no element is arranged on the display module FPC, an element is arranged on the mobile phone motherboard, and a circuit on the display module FPC extends to the interface and is connected with the element on the mobile phone motherboard through the interface.

The lower side of the mobile phone is generally provided with a microphone module, a USB interface module and other device modules, and the upper side of the mobile phone is also generally provided with a receiver module, a camera module and other device modules, and the device modules are also required to be connected with the mobile phone main board by adopting corresponding transfer FPC during assembly. A novel mobile phone structure is disclosed in chinese patent No. CN201821952260.9, which includes: the touch screen, the LCD display screen, a panel, a camera component, a side key FPC, a main board, a bottom shell, a lower decoration, a battery and a battery cover; the touch screen is arranged on the surface of the LCD display screen; the LCD display screen is arranged on the face shell; the lower decorating part is arranged at the lower end part of the face shell; the bottom shell is buckled on the rear end face of the face shell; the side key FPC is arranged on the main board; the main board is arranged on the bottom shell and is arranged between the face shell and the bottom shell; the battery cover is arranged on the rear end face of the bottom shell; the battery is arranged on the battery cover and penetrates through the bottom shell and the face shell; the camera component comprises a rear cover, a front cover arranged on the rear cover, a front cover decoration piece, a rotating shaft, a camera module, a switching FPC, a rear flash lamp shade, a light sensing sleeve, a light sensing lens arranged on the light sensing sleeve and a receiver net; the camera component sequentially penetrates through the surface shell, the bottom shell and the upper end part of the battery cover, the front cover is clamped with the surface shell, and the rear cover is clamped with the battery cover; the front cover decorating part is arranged on the upper surface of the front cover; the rear flash lamp shade is arranged on one side of the rear cover; the camera module is arranged on the other side of the rear cover, and the connecting end of the camera module is arranged on the rear flash lamp cover; the rotating shaft is arranged beside the camera module; one end of the transfer FPC is arranged on the main board, and the other end of the transfer FPC is arranged on the camera module connecting part; the light sensing sleeve is arranged on the switching FPC, and a light sensing lens on the light sensing sleeve is arranged on the front cover; the earphone net is arranged on the front cover and is arranged beside the light sensing lens.

In the prior art, the display screen module, the microphone module, the USB interface module, the earphone module, the camera module and other component modules in the mobile phone are respectively connected with the main board module by adopting different FPCs, so that the using amount of the FPCs is large, the product cost is increased, the assembly steps are also increased, the assembly efficiency is low, and in addition, the more the assembly steps are, the larger the probability of occurrence of defects is also meant.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the main screen FPC, which integrates the component switching function, reduces the product cost, reduces the assembly steps and improves the assembly efficiency and the product yield.

The utility model also provides a mobile phone structure comprising the main screen FPC.

The technical problems to be solved by the utility model are realized by the following technical scheme:

the main screen FPC comprises a main screen binding part, a wiring extending part and a main board connecting part, wherein the main screen binding part is connected to one end of the wiring extending part, a main screen golden finger is arranged, the main board connecting part is connected to the other end of the wiring extending part, a main board connector is arranged, and the main screen golden finger is electrically connected with the main board connector through an internal wiring of the wiring extending part; the main screen binding part is further provided with a first switching connector, the main board connecting part is further provided with a second switching connector, and the first switching connector and the second switching connector are respectively electrically connected with the main board connector through internal wiring of the wiring extension part.

Further, the main screen FPC comprises a first surface and a second surface which are oppositely arranged, the first switching connector is arranged on the first surface of the main screen binding part, and the main screen golden finger, the second switching connector and the main board connector are arranged on the second surface of the main board connecting part.

Further, the main screen binding part comprises a main screen binding area and a first transfer area, the main screen golden finger is arranged in the main screen binding area, and the first transfer connector is arranged in the first transfer area; the first transfer area is parallel to the wiring extension part, and one end of the first transfer area, which faces the main screen binding area, is connected with the main screen binding area.

Further, a first bending area is arranged at one end of the first switching area, which is connected with the main screen binding area, and a second bending area is arranged at one end of the wiring extension part, which is connected with the main screen binding area.

Further, the main board connecting part comprises a second transfer area and a main board connecting area, the second transfer connector is arranged in the second transfer area, and the main board connector is arranged in the main board connecting area; the second transfer area is parallel to the main board connection area, and one end of the second transfer area, which faces the wiring extension part, is connected with the wiring extension part.

Further, a third bending area is arranged at one end of the second switching area, which is connected with the wiring extension part, and a fourth bending area is arranged at one end of the main board connecting area, which is connected with the wiring extension part.

Further, the main screen binding portion is provided with a first grounding reinforcing plate on the back face of the first switching connector, and the main board connecting portion is provided with a second grounding reinforcing plate and a third grounding reinforcing plate on the back faces of the second switching connector and the main board connector respectively.

Further, the wiring extension part is provided with a two-dimensional code printing area and an information printing area.

Further, white oil blocks are respectively silk-screened in the two-dimensional code printing area and the information printing area.

The utility model provides a mobile phone structure, includes first part module, second part module, display screen module, mainboard module and foretell main screen FPC, main screen FPC's main screen golden finger with the display screen module binds mutually, main screen FPC's mainboard connector with the mainboard module is connected, main screen FPC's first switching connector with first part module is connected, main screen FPC's second switching connector with second part module is connected.

The utility model has the following beneficial effects: this main screen FPC has integrated the part switching function through addding the mode of first switching connector and second switching connector, when the assembly cell-phone, not only can with the display screen module of cell-phone with main screen golden finger binds mutually, with through walk the inside of line extension and the mainboard connector is connected with the display screen module of cell-phone and mainboard module, can also with other part modules (such as microphone module, USB interface module, earphone module and camera module) of cell-phone with first switching connector or second switching connector are connected, with through walk the inside of line extension and other part modules of cell-phone are connected with the mainboard module, can effectively reduce FPC's use amount in the cell-phone, have reduced product cost, have reduced the assembly step, have improved assembly efficiency and product yield simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a first surface of a main screen FPC provided by the present utility model.

Fig. 2 is a schematic structural diagram of a second surface of the FPC of the main screen according to the present utility model.

Fig. 3 is a connection schematic diagram of a mobile phone structure provided by the utility model.

Detailed Description

The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

As shown in fig. 1 and 2, a main screen FPC 1 includes a main screen binding portion 11, a trace extending portion 12 and a main board connecting portion 13, wherein the main screen binding portion 11 is connected to one end of the trace extending portion 12, a main screen gold finger 14 is provided, the main board connecting portion 13 is connected to the other end of the trace extending portion 12, a main board connector 15 is provided, and the main screen gold finger 14 is electrically connected with the main board connector 15 through an internal trace of the trace extending portion 12; the main screen binding portion 11 is further provided with a first adapting connector 16, the main board connecting portion 13 is further provided with a second adapting connector 17, and the first adapting connector 16 and the second adapting connector 17 are respectively electrically connected with the main board connector 15 through internal wires of the wire extending portion 12.

In the main screen FPC 1, the main screen golden finger 14 is used for binding connection with a display screen module of the mobile phone, the main board connector 15 is used for being connected with a main board module of the mobile phone, and the first transfer connector 16 and the second transfer connector 17 are respectively used for being connected with other component modules of the mobile phone.

This main screen FPC 1 has integrated the part switching function through addding the mode of first switching connector 16 and second switching connector 17, when the assembly cell-phone, not only can bind the display screen module of cell-phone with main screen golden finger 14 mutually, with through walk the inside of line extension 12 and the mainboard connector 15 is connected the display screen module of cell-phone with the mainboard module, can also with other part modules (such as microphone module, USB interface module, earphone module and camera module) of cell-phone with first switching connector 16 or second switching connector 17 are connected, with through walk the inside of line extension 12 and other part modules of cell-phone are connected with the mainboard module with mainboard connector 15, can effectively reduce FPC's use amount in the cell-phone, reduced the product cost, reduced assembly step, improved assembly efficiency and product yield simultaneously.

The main screen FPC 1 includes a first surface and a second surface that are disposed opposite to each other, the first transit connector 16 is disposed on the first surface of the main screen binding portion 11, and the main screen gold finger 14, the second transit connector 17, and the motherboard connector 15 are disposed on the second surface of the motherboard connecting portion 13.

When the mobile phone is assembled, after the main screen golden finger on the main screen binding part 11 is bound with the display screen module and the main board connector 15 on the main board connecting part 13 is connected with the main board module, the main board module can be assembled and fixed on the back surface of the display screen module finally by bending the wiring extension part 12 of the main screen FPC 1.

The home screen binding portion 11 includes a home screen binding area 111 and a first transfer area 112, the home screen golden finger 14 is disposed in the home screen binding area 111, and the first transfer connector 16 is disposed in the first transfer area 112; the first switching area 112 is parallel to the routing extension 12, and one end of the first switching area 112 and the routing extension 12 facing the home screen binding area 111 is connected to the home screen binding area 111.

The main screen binding area 111 is provided with a light bar welding area 113 and a corresponding first pair of bit lines 114, a device welding area 115 and a corresponding second pair of bit lines 116 besides the main screen golden finger 14; the light bar welding area 113 is used for welding with a backlight light bar, and the first alignment line 114 is used for aligning the backlight light bar when welding the backlight light bar; the device bond pad 115 is used to bond with functional devices (e.g., resistors and capacitors), and the second pair of bit lines 116 is used to align the functional devices during bonding.

The motherboard connecting portion 13 includes a second transfer region 131 and a motherboard connecting region 132, the second transfer connector 17 is disposed in the second transfer region 131, and the motherboard connector 15 is disposed in the motherboard connecting region 132; the second transfer region 131 is parallel to the motherboard connecting region 132, and one end of the second transfer region 131 and the motherboard connecting region 132 facing the trace extension 12 is connected to the trace extension 12.

In order to facilitate bending during assembling the mobile phone, a first bending region 1121 is disposed at an end of the first switching region 112 connected to the main screen binding region 111, a second bending region 121 is disposed at an end of the wiring extension portion 12 connected to the main screen binding region 111, a third bending region 1311 is disposed at an end of the second switching region 131 connected to the wiring extension portion 12, and a fourth bending region 1321 is disposed at an end of the main board connection region 132 connected to the wiring extension portion 12.

The main screen FPC 1 forms the first bending region 1121, the second bending region 121, the third bending region 1311 and the fourth bending region 1321 by reserving enough lengths on the first switching region 112, the second switching region 131 and the motherboard connecting region 132 to reduce the rebound stress of the first switching region 112, the second switching region 131 and the motherboard connecting region 132 during bending.

The main body of the main screen FPC 1 adopts a double-layer soft board structure, and the main screen golden finger 14 adopts a single-layer soft board structure, so that the stress of the main screen golden finger 14 is reduced, and the main screen golden finger 14 is prevented from falling off due to the stress rebound of the main screen binding part 11 after being bound with the display screen module.

Example two

As an optimization of the first embodiment, in this embodiment, as shown in fig. 1 and 2, the main screen binding portion 11 is provided with a first grounding reinforcement plate 18 on the back surface of the first adapter connector 16, and the main board connection portion 13 is provided with a second grounding reinforcement plate 101 and a third grounding reinforcement plate 19 on the back surfaces of the second adapter connector 17 and the main board connector 15, respectively.

In this embodiment, the first grounding reinforcing plate 18, the second grounding reinforcing plate 101 and the third grounding reinforcing plate 19 are nickel-plated steel plates, the thickness is about 0.3mm, and the grounding resistance is less than 3Ω.

Example III

As an optimization scheme of the first embodiment or the second embodiment, in this embodiment, as shown in fig. 1, the routing extension 12 is provided with a two-dimensional code printing area 122 and an information printing area 123.

The two-dimensional code printing area 122 is used for printing manufacturer two-dimensional codes of the main screen FPC 1, and the information printing area 123 is used for printing information such as size, parameters and the like of the main screen FPC 1.

White oil blocks are respectively silk-screened in the two-dimension code printing area 122 and the information printing area 123, so that manufacturer two-dimension codes, size, parameters and other information of the main screen FPC 1 can be conveniently printed on the white oil blocks.

In this embodiment, the thickness of the white oil cake is 5-15 μm1, and the surface dyne value is not less than 32A.

Example IV

As shown in fig. 3, a mobile phone structure includes a first component module 2, a second component module 3, a display screen module 4, a main board module 5, and the main screen FPC 1 according to one of the first to third embodiments, a main screen golden finger 14 of the main screen FPC 1 is bound with the display screen module 4, a main board connector 15 of the main screen FPC 1 is connected with the main board module 5, a first transfer connector 16 of the main screen FPC 1 is connected with the first component module 2, and a second transfer connector 17 of the main screen FPC 1 is connected with the second component module 3.

In this embodiment, the first component module 2 is at least one of a microphone module and a USB interface module, and the second component module 3 is at least one of an earphone module and a camera module.

Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1. The main screen FPC comprises a main screen binding part, a wiring extending part and a main board connecting part, wherein the main screen binding part is connected to one end of the wiring extending part, a main screen golden finger is arranged, the main board connecting part is connected to the other end of the wiring extending part, a main board connector is arranged, and the main screen golden finger is electrically connected with the main board connector through an internal wiring of the wiring extending part; the main screen binding part is further provided with a first switching connector, the main board connecting part is further provided with a second switching connector, and the first switching connector and the second switching connector are respectively and electrically connected with the main board connector through internal wiring of the wiring extending part.

2. The main screen FPC of claim 1, comprising a first surface and a second surface disposed opposite one another, wherein the first transit connector is disposed on the first surface of the main screen binding portion, and wherein the main screen gold finger, the second transit connector, and the motherboard connector are disposed on the second surface of the motherboard connecting portion.

3. The main screen FPC of claim 1, wherein said main screen binding portion includes a main screen binding region in which said main screen gold finger is disposed and a first transfer region in which said first transfer connector is disposed; the first transfer area is parallel to the wiring extension part, and one end of the first transfer area, which faces the main screen binding area, is connected with the main screen binding area.

4. A main screen FPC according to claim 3, wherein a first bending region is provided at an end of the first transfer region connected to the main screen binding region, and a second bending region is provided at an end of the trace extension connected to the main screen binding region.

5. A main screen FPC according to claim 1 or 3, wherein the motherboard connecting portion includes a second transfer region and a motherboard connecting region, the second transfer connector being disposed in the second transfer region, the motherboard connector being disposed in the motherboard connecting region; the second transfer area is parallel to the main board connection area, and one end of the second transfer area, which faces the wiring extension part, is connected with the wiring extension part.

6. The FPC of claim 5, wherein a third bending region is disposed at an end of the second transfer region connected to the trace extension, and a fourth bending region is disposed at an end of the main board connection region connected to the trace extension.

7. The main screen FPC of claim 1, wherein the main screen binding portion is provided with a first ground stiffener on the back side of the first transit connector, and the motherboard connecting portion is provided with a second ground stiffener and a third ground stiffener on the back sides of the second transit connector and the motherboard connector, respectively.

8. The main screen FPC of claim 1 wherein said trace extension is provided with a two-dimensional code printed area and an information printed area.

9. The FPC of claim 8 wherein white oil blocks are silk-screened in the two-dimensional code printing area and the information printing area, respectively.

10. The mobile phone structure is characterized by comprising a first component module, a second component module, a display screen module, a main board module and the main screen FPC as claimed in any one of claims 1-9, wherein a main screen golden finger of the main screen FPC is bound with the display screen module, a main board connector of the main screen FPC is connected with the main board module, a first transfer connector of the main screen FPC is connected with the first component module, and a second transfer connector of the main screen FPC is connected with the second component module.