CN219876274U - FPC structure of display module assembly and electronic equipment - Google Patents

Abstract

The utility model provides an FPC structure of a display module, which comprises an FPC body, wherein a component and a module backlight pad are connected to the FPC body, the FPC body is provided with a silk-screen surface and a non-silk-screen surface, the silk-screen surface is positioned on the opposite surface of the non-silk-screen surface, and the silk-screen surface of the component is the silk-screen surface; the module backlight bonding pad is positioned on the non-screen printing surface, and screen printing of the module backlight bonding pad is replaced by etching lines; the FPC body is further provided with a plurality of copper exposing areas, each copper exposing area comprises a used bonding pad and an unused bonding pad, the unused bonding pad is not covered with a tin layer, silk screen printing on the FPC structure of the display module is designed to be one side from two sides, silk screen printing on the other side is replaced by etching lines, the silk screen printing process is saved, the unused bonding pad is not tinned, tin is saved, quality inspection is facilitated, efficiency is improved, and production cost is saved.

Description

FPC structure of display module assembly and electronic equipment

Technical Field

The utility model relates to the technical field of display modules, in particular to an FPC structure of a display module and electronic equipment.

Background

With rapid development of technology and improvement of productivity, electronic devices such as televisions, computers and mobile phones have been popularized in daily life of people and are convenient for people to live, wherein a display module is one of important components of the electronic devices for displaying pictures, and mainly comprises a liquid crystal display screen and an FPC.

The FPC silk screen of the existing display module is printed by two sides, when components are positioned on the same surface, the other surface is also printed by silk screen, which can complicate production procedures and increase cost; all the pads of the FPC with the window and copper leakage are subjected to tin plating, but stricter IQC inspection is provided after tin plating, so that the efficiency is reduced, and the cost is increased.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art, provides an FPC structure of a display module and electronic equipment, and aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the FPC structure of the display module comprises an FPC body, wherein components and a module backlight pad are connected to the FPC body, the FPC body is provided with a silk-screen surface and a non-silk-screen surface, the silk-screen surface is positioned on the opposite surface of the non-silk-screen surface, and the silk-screen surface of the components is the silk-screen surface; the module backlight bonding pad is positioned on the non-screen printing surface, and the screen printing of the module backlight bonding pad is replaced by etching lines; and a plurality of copper exposure areas are further arranged on the FPC body, each copper exposure area comprises a used bonding pad and an unused bonding pad, and the unused bonding pads are not covered with a tin layer.

The beneficial effects of the utility model are as follows: the screen printing place surface of the component is the screen printing surface, the module backlight bonding pad is positioned on the non-screen printing surface, the screen printing on the FPC of the display module is designed to be one surface from two surfaces, the screen printing on the other surface is replaced by etching lines, the process of the screen printing is saved, the bonding pad which is not used is not tinned, tin is saved, meanwhile, the quality inspection is facilitated, the efficiency is improved, and meanwhile, the production cost is also saved.

Further, the copper exposure area is any one of rectangular, triangular and circular.

Further, the positive electrode screen printing of the module backlight bonding pad is replaced by an etching line "+" and the negative electrode screen printing of the module backlight bonding pad is replaced by an etching line "-".

Further, the alignment line of the module backlight bonding pad is replaced by an etching line.

Further, protective layers are coated on the surfaces of two sides of the FPC body, and electromagnetic shielding films are bonded on the two protective layers.

Further, the electromagnetic shielding film at least comprises a carrier film and a metal protection film which are arranged in a laminated mode, and the shape of the electromagnetic shielding film is in profiling arrangement with the shape of the FPC body.

Further, the periphery of the component is provided with a glue dispensing layer, and the thickness of the glue dispensing layer is lower than that of the component.

On the other hand, the utility model provides electronic equipment, which comprises the FPC structure of the display module.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a silk-screen printing surface of an FPC body according to an embodiment of the utility model.

Fig. 2 is a schematic diagram of a non-silk-screen surface of an FPC body according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of an FPC body according to an embodiment of the present utility model.

Wherein 1 is FPC body, 11 is silk screen printing face, 12 is non silk screen printing face, 13 is the protective layer, 14 is module backlight pad, 141 is etching line "+", 142 is etching line "-", 15 is copper exposure area, 16 is electromagnetic shielding film, 2 is silk screen printing.

Detailed Description

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

In the description of the embodiments 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 description of the embodiments of the present utility model and simplify 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 thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

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

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, in one embodiment of the utility model, a display module FPC structure designs a screen printing 2 on the display module FPC from two sides to one side, and the screen printing on the other side is replaced by etching lines, thereby saving the screen printing process and simultaneously saving the production cost, comprising a FPC body 1, wherein the FPC body 1 is connected with components and a module backlight pad 14,

specifically, the two side surfaces of the FPC body 1 are coated with the protective layers 13, the two protective layers 13 are bonded with the electromagnetic shielding films 16 in a bonding manner, the electromagnetic shielding films 16 at least comprise carrier films and metal protective films which are arranged in a lamination manner, the shape of each electromagnetic shielding film 16 is in profiling arrangement with the shape of the FPC body 1, the thickness of each electromagnetic shielding film 16 is not less than 20 micrometers, and the adhesive layer formed by bonding the electromagnetic shielding films 16 and the protective layers 13 is an epoxy adhesive layer.

Specifically, the periphery of the component is provided with a glue dispensing layer, and the thickness of the glue dispensing layer is lower than that of the component.

Specifically, the FPC body 1 is further provided with a plurality of copper exposure areas 15, the copper exposure areas 15 include used bonding pads and unused bonding pads, and the unused bonding pads are not covered with a tin layer.

It is worth to say that the unused bonding pads are not plated with tin, so that tin is saved, quality inspection is facilitated, efficiency is improved, and cost is saved.

Specifically, the exposed copper area 15 is any one of a rectangle, a triangle, and a circle, and it should be noted that the exposed copper area 15 is disposed in a non-wiring area, and the exposed copper area 15 is configured according to the shape of the non-wiring area, for example, the shape of the non-wiring area is a circle, that is, the shape of the exposed copper area disposed in the non-wiring area is a circle,

the component and the module backlight bonding pad 14 are respectively positioned on two surfaces of the FPC body 1, the two surfaces of the FPC body are respectively a silk-screen printing surface 11 and a non-silk-screen printing surface 12, the silk-screen printing surface 11 is positioned on the opposite surface of the non-silk-screen printing surface 12, and the silk-screen printing surface 11 is the surface of the component; the modular backlight pads 14 are located on the non-silk screened side 12,

the screen printing of the module backlight pad 14 is replaced by etching lines.

Specifically, the positive electrode screen printing of the module backlight pad 14 is replaced by an etching line "+"141, and the negative electrode screen printing is replaced by an etching line "-" 142.

Specifically, the alignment lines of the module backlight pads 14 are replaced with etching lines.

The embodiment of the utility model also provides electronic equipment, which comprises the FPC structure of the display module.

The beneficial effects of the utility model are as follows: the screen printing 2 of components and parts is located the face and is screen printing face 11, and module backlight pad 14 is located non-screen printing face 12, designs the screen printing on the FPC of display module from two sides to one side, and the screen printing of another side adopts the etching line to replace, has practiced thrift the process of screen printing, and the pad that does not use does not go up tin and handles, has practiced thrift the tin, also is favorable to the inspection of quality simultaneously, has improved efficiency, has also practiced thrift manufacturing cost simultaneously.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. The FPC structure of the display module is characterized by comprising an FPC body, wherein components and a module backlight bonding pad are connected to the FPC body, the FPC body is provided with a silk-screen surface and a non-silk-screen surface, the silk-screen surface is positioned on the opposite surface of the non-silk-screen surface, the silk-screen surface of the components is the silk-screen surface, the module backlight bonding pad is positioned on the non-silk-screen surface, and silk-screen of the module backlight bonding pad is replaced by etching lines; and a plurality of copper exposure areas are further arranged on the FPC body, each copper exposure area comprises a used bonding pad and an unused bonding pad, and the unused bonding pads are not covered with a tin layer.

2. The FPC structure of the display module according to claim 1, wherein the copper exposure area has any one of a rectangular shape, a triangular shape and a circular shape.

3. The FPC structure of claim 1, wherein the positive screen of said module backlight pad is replaced with an etching line "+" and the negative screen is replaced with an etching line "-".

4. The FPC structure of claim 1, wherein alignment lines of said module backlight pads are replaced with etched lines.

5. The FPC structure of claim 1, wherein the two side surfaces of said FPC body are coated with protective layers, and electromagnetic shielding films are bonded on both of said protective layers.

6. The FPC structure of a display module according to claim 5, wherein the electromagnetic shielding film includes at least a carrier film and a metal protective film which are laminated, and the shape of the electromagnetic shielding film is contoured with the shape of the FPC body.

7. The FPC structure of a display module according to claim 1, wherein the periphery of the component is provided with a glue dispensing layer, and the thickness of the glue dispensing layer is lower than that of the component.

8. An electronic device comprising the FPC structure of the display module according to any one of claims 1 to 7.