CN217509126U

CN217509126U - Electronic device, display device, and circuit board assembly

Info

Publication number: CN217509126U
Application number: CN202220307844.0U
Authority: CN
Inventors: 李江涛
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-27
Anticipated expiration: 2032-02-15

Abstract

The application provides an electronic device, a display device and a circuit board assembly; the circuit board assembly comprises a PCB board, a connecting seat, a flexible circuit board and a gasket; the connecting seat is attached to the surface of the PCB, a socket is arranged on the side surface of the connecting seat, and the end part of the flexible circuit board is inserted into the socket to realize the electrical connection with the connecting seat; a gap is formed between one end of the flexible circuit board, which is connected with the connecting seat, and the PCB, and the gasket is arranged in the gap. The circuit board assembly that this application embodiment provided through set up the gasket structure between the one end that is used for the connecting seat to connect at flexible circuit board and the PCB board, plays the effect that the golden finger end (the tip that is used for the connecting seat to connect) of flexible circuit board supports, can avoid the golden finger end of equipment back flexible circuit board to appear the state of seesaw, has guaranteed the equipment stability, and then improves circuit board assembly's connection reliability.

Description

Electronic device, display device, and circuit board assembly

Technical Field

The utility model relates to an electronic equipment circuit board device stacked structure's technical field specifically relates to an electronic equipment, display device and circuit board components.

Background

The flat panel screen is generally connected through an FPC (Flexible Printed Circuit), one end of which is connected to the main board through the BTB, and the other end of which is connected to the PCB (i.e., the display panel) of the screen through a connector socket. When the screen PCB end adopts Zero Insertion Force (ZIF) seat to connect, because the PCB and the ZIF seat have certain height, FPC need bend just can match the ZIF seat height, has certain clearance between screen FPC golden finger end and the PCB board this moment. The gap can cause the FPC golden finger to have poor contact risk, and further cause the screen to lose efficacy.

SUMMERY OF THE UTILITY MODEL

A first aspect of embodiments of the present application provides a circuit board assembly, which includes a PCB board, a connection socket, a flexible circuit board, and a gasket; the connecting seat is attached to the surface of the PCB, a socket is arranged on the side surface of the connecting seat, and the end part of the flexible circuit board is inserted into the socket to realize the electrical connection with the connecting seat; a gap is formed between one end of the flexible circuit board, which is connected with the connecting seat, and the PCB, and the gasket is arranged in the gap.

In a second aspect, an embodiment of the present application provides a display device, where the display device includes a display screen module and the circuit board assembly described in any one of the above embodiments; the two ends of the flexible circuit board of the circuit board assembly are respectively connected with the display screen module and the connecting seat, and therefore the display screen module is electrically connected with the PCB.

In addition, an embodiment of the present application further provides an electronic device, where the electronic device includes a housing and the display device described in the above embodiment; the display screen module of the display device is matched with the shell to form an accommodating space, and the circuit board assembly is arranged in the accommodating space.

The circuit board assembly that this application embodiment provided through set up the gasket structure between the one end that is used for the connecting seat to connect at flexible circuit board and the PCB board, plays the effect that the golden finger end (the tip that is used for the connecting seat to connect) of flexible circuit board supports, can avoid the golden finger end of equipment back flexible circuit board to appear the state of seesaw, has guaranteed the equipment stability, and then improves circuit board assembly's connection reliability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of an embodiment of a circuit board assembly of the present application;

FIG. 2 is a schematic diagram of a disassembled structure of the circuit board assembly in the embodiment of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the circuit board assembly at A-A in the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of a partial structure of an embodiment of a display device according to the present application;

FIG. 5 is a schematic diagram of a disassembled structure of the display device in the embodiment of FIG. 4;

FIG. 6 is a schematic sectional view of the display device at B-B in the embodiment of FIG. 4;

FIG. 7 is a schematic structural diagram of an embodiment of an electronic device of the present application;

FIG. 8 is a schematic cross-sectional view of the electronic device at C-C in the embodiment of FIG. 7;

fig. 9 is a block diagram illustrating a structural configuration of an embodiment of an electronic device according to the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only some but not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic structural diagram of an embodiment of a circuit board assembly of the present application, and fig. 2 is a schematic structural diagram of a circuit board assembly of the embodiment of fig. 1 in a disassembled state; it should be noted that the circuit board assembly in the present application may be used in a structure involving connection of a flexible circuit board of an internal device of an electronic device, such as connection between a display screen and a display screen platelet, connection between a display screen and a control motherboard, and connection between other devices (including a speaker, a camera, etc.) and a control circuit board. The electronic device may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The circuit board assembly 100 in this embodiment includes, but is not limited to, the following structures: a PCB 110, a connection socket 120, a flexible circuit board 130 and a gasket 140. It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Specifically, referring to fig. 3, fig. 3 is a schematic cross-sectional view of the circuit board assembly at a-a in the embodiment of fig. 1. The PCB (Printed Circuit Board) Board 110 in this embodiment is made of a material having a certain hardness, and is a support body for electronic components and a carrier for electrically interconnecting the electronic components. The connecting socket 120 is attached to a surface of the PCB 110. The side of the connection seat 120 is provided with a socket 121, and optionally, the connection seat 120 in the embodiment of the present application may be a plug-in circuit board connection seat, and specifically may be a ZIF (Zero Insertion Force) connector. Of course, in some other embodiments, the connecting seat 120 may be other connector structures, which are not listed and described in detail herein.

The end of the flexible circuit board 130 is inserted into the socket 121, so as to electrically connect with the connecting seat 120; a gap 101 is formed between the end 131 of the flexible circuit board 130 connected to the connecting socket 120 and the PCB 110, and the gasket 140 is disposed in the gap 101.

Optionally, with reference to fig. 3, in the embodiment, the thickness of the spacer 140 is the same as the distance from the bottom surface of the connecting socket 120 to the surface of the PCB 110, so that the end 131 of the flexible circuit board 130 can be horizontally inserted into the socket 121 of the connecting socket 120. In the conventional technical scheme, since no gasket structure is arranged at the position, the gap 101 exists between the flexible circuit board 130 and the PCB 110, and no corresponding support exists, when the flexible circuit board 130 is assembled, the actual assembly state is a seesaw state, and after a user uses the flexible circuit board 130 for a long time, the golden finger (i.e., the end 131 of the flexible circuit board 130 connected with the connecting seat 120) of the flexible circuit board 130 has a risk of poor contact, thereby causing the failure of the screen.

Optionally, the gasket 140 in this embodiment is made of an insulating material. Specifically, the gasket 140 is made of a flexible material, so as to avoid the risk of scratching the flexible circuit board 130. Alternatively, the gasket 140 may be made of a flexible resin material, and the material may be selected from PET (Polyethylene terephthalate, abbreviated as PET or PEIT, commonly called polyester resin, and a condensation polymer of terephthalic acid and ethylene glycol), PMMA (poly (methyl methacrylate), abbreviated as PMMA), also called acryl, acryl (Acrylic) or organic glass), PC (Polycarbonate, Polycarbonate (PC), which is a high polymer containing carbonate groups in its molecular chain), PI (Polyimide), and the like. Further material types for the gasket 140 are not listed and described in detail herein, as would be understood by one of ordinary skill in the art.

In addition, an embodiment of the present application further provides a display device, please refer to fig. 4 and fig. 5 together, fig. 4 is a schematic partial structure diagram of an embodiment of the display device of the present application, and fig. 5 is a schematic disassembly structure diagram of the display device in the embodiment of fig. 4; the display device 10 in this embodiment includes a display module 200 and a circuit board assembly 100. The circuit board assembly 100 includes, but is not limited to, a PCB board 110, a connection socket 120, a flexible circuit board 130, and a spacer 140.

Specifically, referring to fig. 6, fig. 6 is a schematic cross-sectional view of the display device in the embodiment of fig. 4 at a position B-B. The PCB (Printed Circuit Board) Board 110 in this embodiment is made of a material having a certain hardness, and is a support for electronic components and is also a carrier for electrical interconnection of the electronic components. The connection socket 120 is attached to a surface of the PCB board 110. The side of the connection seat 120 is provided with a socket 121, and optionally, the connection seat 120 in the embodiment of the present application may be a plug-in circuit board connection seat, and specifically may be a ZIF (Zero Insertion Force) connector. Of course, in some other embodiments, the connecting seat 120 may be other connector structures, which are not listed and described in detail herein.

The end of the flexible circuit board 130 is inserted into the insertion port 121, so as to electrically connect to the connection seat 120; a gap 101 is formed between the end 131 of the flexible circuit board 130 connected to the connector holder 120 and the PCB 110, and the spacer 140 is disposed in the gap 101. It should be noted that the terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Optionally, referring to fig. 6, in the present embodiment, the thickness of the spacer 140 is the same as the distance from the bottom surface of the connector socket 120 to the surface of the PCB 110, so that the end 131 of the flexible circuit board 130 can be inserted into the socket 121 of the connector socket 120 horizontally. In the conventional technical scheme, since no gasket structure is arranged at the position, the gap 101 exists between the flexible circuit board 130 and the PCB 110, and no corresponding support exists, when the flexible circuit board 130 is assembled, the actual assembly state is a seesaw state, and after a user uses the flexible circuit board 130 for a long time, the golden finger (i.e., the end 131 of the flexible circuit board 130 connected with the connecting seat 120) of the flexible circuit board 130 has a risk of poor contact, thereby causing the failure of the screen.

Optionally, the gasket 140 in this embodiment is made of an insulating material. Specifically, the gasket 140 is made of a flexible material, so as to avoid the risk of scratching the flexible circuit board 130. Alternatively, the gasket 140 may be made of a flexible resin material, and the material may be selected from PET (Polyethylene terephthalate, abbreviated as PET or PEIT, commonly called polyester resin, and a condensation polymer of terephthalic acid and ethylene glycol), PMMA (poly (methyl methacrylate), abbreviated as PMMA), also called acryl, acryl (Acrylic) or organic glass), PC (Polycarbonate, Polycarbonate (PC), which is a high polymer containing carbonate groups in its molecular chain), PI (Polyimide), and the like.

Two ends of the flexible circuit board 130 of the circuit board assembly 100 are respectively connected to the display screen module 200 and the connecting seat 120, so as to electrically connect the display screen module 200 and the PCB 110. Optionally, the PCB 110 is disposed on the non-display surface of the display screen module 200, the flexible circuit board 130 is connected to the display screen module 200 and a height difference H is formed between two ends of the connecting seat 120, and by the structure of the spacer 140, the end position 131 of the flexible circuit board 130 can be horizontally inserted into the socket 121 of the connecting seat 120, thereby avoiding the seesaw state, and further improving the connection reliability. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The embodiment of the application provides a display device, its circuit board subassembly is through setting up the gasket structure between the one end that is used for the connecting seat to connect at the flexible circuit board and the PCB board, plays the effect that the golden finger end (the tip that is used for the connecting seat to connect) of flexible circuit board supports, can avoid the golden finger end of equipment back flexible circuit board to appear the state of seesaw, has guaranteed the equipment stability, and then improves the connection reliability between circuit board subassembly and the display screen module.

Further, an electronic device is provided in an embodiment of the present application, please refer to fig. 7 and 8 together, and fig. 7 is a schematic structural diagram of an embodiment of the electronic device in the present application; fig. 8 is a schematic cross-sectional structure diagram at C-C of the electronic device in the embodiment of fig. 7, where the electronic device may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, and the electronic device in this embodiment is described by taking the mobile phone as an example, and may include the display apparatus 10, the housing 20, and the main control circuit board 30. Please refer to the related description of the foregoing embodiments for the detailed structure of the display device 10, which is not repeated herein.

Optionally, the display screen module 200 of the display device 10 and the housing 20 cooperate to form an accommodating space 1000, the main control circuit board 30 is disposed in the accommodating space 1000, the main control circuit board 30 is electrically connected to the display device 10, and the main control circuit board 30 is used for controlling the working state of the display device 10. The detailed technical features of other parts of the electronic device are within the understanding of those skilled in the art, and are not described herein. The housing 20 in this embodiment may include a rear cover plate (battery cover) 20a and a middle frame 20b, and certainly, the housing 20 may have other structures in some other embodiments, which is not limited herein.

In the electronic device in this embodiment, the circuit board assembly of the display device has a spacer structure disposed between the end of the flexible circuit board for connecting the connecting socket and the PCB, so as to support the golden finger end (the end for connecting the connecting socket) of the flexible circuit board, thereby preventing the golden finger end of the flexible circuit board from being in a seesaw state after assembly, ensuring the assembly stability, and further improving the connection reliability between the circuit board assembly and the display screen module.

Referring to fig. 9, fig. 9 is a block diagram illustrating a structural composition of an embodiment of an electronic device according to the present application, where the electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, and the embodiment illustrates a mobile phone as an example. The structure of the electronic device may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (i.e., the display screen 30 in the above-mentioned embodiment), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980 (which may be the circuit board assembly 20 in the above-mentioned embodiment), a power supply 990, and the like. Wherein the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected with the processor 980; power supply 990 is operative to provide power to the entire electronic device 10.

Specifically, the RF circuit 910 is used for transmitting and receiving signals; the memory 920 is used for storing data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941; the sensor 950 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc.; a speaker 961 and a microphone 962 are connected to the processor 980 through the audio circuit 960 for emitting and receiving sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of the electronic device. For specific structural features of the electronic device, please refer to the related description of the above embodiments, and detailed descriptions thereof will not be provided herein.

The above only is the partial embodiment of the utility model discloses a not therefore restriction the utility model discloses a protection scope, all utilize the utility model discloses equivalent device or equivalent flow transform that the content of description and drawing was done, or direct or indirect application in other relevant technical field, all the same reason is included in the patent protection scope of the utility model.

Claims

1. A circuit board assembly is characterized in that the circuit board assembly comprises a PCB board, a connecting seat, a flexible circuit board and a gasket; the connecting seat is attached to the surface of the PCB, a plug-in port is arranged on the side surface of the connecting seat, and the end part of the flexible circuit board is inserted into the plug-in port to realize the electrical connection with the connecting seat; a gap is formed between one end of the flexible circuit board, which is connected with the connecting seat, and the PCB, and the gasket is arranged in the gap.

2. The circuit board assembly of claim 1, wherein the spacer has a thickness equal to a distance from a bottom surface of the connector holder socket to a surface of the PCB board, so that an end of the flexible circuit board can be horizontally inserted into the socket of the connector holder.

3. The circuit board assembly of claim 1, wherein the spacer is made of an insulating material.

4. A circuit board assembly according to claim 3, wherein the spacer is of a flexible material.

5. The circuit board assembly of claim 4, wherein the spacer is made of a flexible resin material.

6. The circuit board assembly according to claim 5, wherein the gasket is made of one selected from the group consisting of polyethylene terephthalate, polymethyl methacrylate, polycarbonate, and polyimide.

7. The circuit board assembly of claim 1, wherein the connector socket is a plug-in circuit board connector socket.

8. A display device, comprising a display screen module and the circuit board assembly of any one of claims 1-7; the two ends of the flexible circuit board of the circuit board assembly are respectively connected with the display screen module and the connecting seat, and therefore the display screen module is electrically connected with the PCB.

9. The display device according to claim 8, wherein the PCB is disposed on a non-display surface of the display module, and the flexible printed circuit board has a height difference between two ends respectively connected to the display module and the connecting seat.

10. An electronic apparatus characterized by comprising a housing and the display device of claim 8 or 9; the display screen module of the display device is matched with the shell to form an accommodating space, and the circuit board assembly is arranged in the accommodating space.