CN108965514B

CN108965514B - Display screen FPC structure of double screen terminal and mobile terminal thereof

Info

Publication number: CN108965514B
Application number: CN201810702635.4A
Authority: CN
Inventors: 余威
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2021-05-21
Anticipated expiration: 2038-06-29
Also published as: CN108965514A

Abstract

The invention discloses a display screen FPC structure of a double-screen terminal, which comprises: the main screen FPC body and the auxiliary screen FPC body are integrally arranged through the connecting substrate, one end of the main screen FPC is connected to the main screen panel, and the other end of the main screen FPC is provided with a main connector connected with a main control circuit board; one end of the auxiliary screen FPC is connected to the auxiliary screen panel, and the other end of the auxiliary screen FPC is provided with an auxiliary connector connected with the main control circuit board. According to the embodiment of the invention, the FPC structures of the two display screens of the double-screen terminal are intensively arranged on the same FPC, so that the space of a terminal shell is saved, the risk of screen coupling interference is reduced, and meanwhile, the generation cost of the FPC is saved in the aspect of cost.

Description

Display screen FPC structure of double screen terminal and mobile terminal thereof

Technical Field

The invention relates to the technical field of mobile terminals, in particular to a display screen FPC structure of a double-screen terminal and the mobile terminal.

Background

With the development of mobile terminal technology, the full-screen of the terminal is gradually popularized, and terminal products with full-screen and higher screen occupation ratio have become mainstream trends, so that the foldable screen and the bendable screen are gradually popularized with the continuous development of terminal screen technology. In addition, with the personalized demands for terminal products, such as front and back dual-screen terminal products and the like.

The display screen structure of the existing single-screen terminal mainly comprises a screen main body and a Flexible Printed Circuit (FPC) for short, so that only an FPC groove needs to be considered to be arranged on a terminal shell. When the double-screen terminal uses the double display screens, two flexible printed circuit boards (FPC) are needed, and two FPC grooves are needed for placement, so that a large structural space is occupied for the terminal structure; while also posing a greater risk in terms of coupling interference.

Disclosure of Invention

The invention mainly aims to provide a display screen FPC structure of a double-screen terminal and a mobile terminal thereof, and aims to solve the technical problem that the existing double-screen terminal adopts two flexible circuit boards FPC and has structural defects.

In order to solve the above technical problem, the present invention provides a display screen FPC structure for a dual-screen terminal, the FPC structure including: the main screen FPC body and the auxiliary screen FPC body are integrally arranged through the connecting substrate, one end of the main screen FPC is connected to the main screen panel, and the other end of the main screen FPC is provided with a main connector connected with a main control circuit board; one end of the auxiliary screen FPC is connected to the auxiliary screen panel, and the other end of the auxiliary screen FPC is provided with an auxiliary connector connected with the main control circuit board.

Furthermore, the main connector and the auxiliary connector are respectively located at two ends of the connecting substrate.

Furthermore, one end of the main screen FPC body, which is close to the auxiliary connector, is connected with the main screen panel; the auxiliary screen FPC body is close to one end of the main connector and connected with the auxiliary screen panel.

Further, the connection substrate is a polyimide or polyester film.

Further, the main screen FPC body and the auxiliary screen FPC body are in a long strip shape, and the connecting substrate is arranged in the length direction of the main screen FPC body and the auxiliary screen FPC body, so that the main screen FPC body and the auxiliary screen FPC body are arranged side by side.

Further, the main screen FPC with vice screen FPC printing forming is on same FPC substrate, FPC substrate both ends form respectively the main connector with vice connector, the main connector with vice connector pass through the FPC connector with main control circuit board connects.

Furthermore, the main screen FPC body and the auxiliary screen FPC body are arranged on the FPC base material side by side in the length direction, and one end of the main screen FPC body, which is close to the auxiliary connector, is connected with the main screen panel; the auxiliary screen FPC body is close to one end of the main connector and connected with the auxiliary screen panel.

Based on the same inventive concept, another aspect of the present invention provides a mobile terminal, wherein a main screen panel and an auxiliary screen panel are arranged on the mobile terminal, and the display screen FPC structure is arranged corresponding to the main screen panel and the auxiliary screen panel.

Furthermore, the shell of the mobile terminal is internally provided with a corresponding FPC groove structure corresponding to the display screen FPC structure, and the FPC groove structure is used for placing the display screen FPC structure.

The technical scheme of the invention has the beneficial effects that:

according to the display screen FPC structure of the double-screen terminal and the mobile terminal thereof, provided by the embodiment of the invention, the FPC structures of the two display screens of the double-screen terminal are intensively arranged on the same FPC, so that the space of a terminal shell is saved, the risk of screen coupling interference is reduced, and meanwhile, the generation cost of the FPC is saved in the aspect of cost.

Drawings

Fig. 1 is a schematic hardware configuration diagram of a mobile terminal implementing various embodiments of the present invention;

fig. 2 is a communication network system architecture diagram provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of a conventional single-screen terminal display screen panel and FPC structure;

FIG. 4 is a schematic diagram of a conventional dual-screen terminal display screen panel and FPC structure;

FIG. 5 is a schematic structural diagram of a dual-screen terminal FPC according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a connection state between a dual-screen terminal FPC structure and a panel according to an embodiment of the present invention;

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.

The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.

The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.

Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.

The following describes each component of the mobile terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with the network and other devices through quick payment of public transportation fees. The above-mentioned rapid payment of public transportation cost may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex-Long Term Evolution), and TDD-LTE (Time Division duplex-Long Term Evolution), etc.

WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/0) port, a video I/0 port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly processes an operating system, a user interface, an application program, and the like, and a modem processor, which mainly processes a quick payment of public transportation fees. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.

In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.

Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS terrestrial radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.

Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.

The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.

The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

The IP services 204 may include the internet, intranets, IMS (1P Multimedia Subsystem), or other IP services, etc.

Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other quick payment systems for public transportation fees, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems, and the like.

The embodiments of the method of the present invention are proposed based on the hardware structure of the mobile terminal 100 and the communication network system.

As shown in fig. 3, the display screen of the single-screen terminal generally includes a display screen panel 10 and a corresponding Flexible Printed Circuit (FPC) 11, the FPC11 generally includes an FPC body 1102 and a connector 1101, one end of the FPC body 1102 is fixedly connected to the display screen panel 10, the other end of the FPC body 1101 is provided with the connector 1101, and the connector 1101 is connected to the main control circuit board of the terminal through an FPC connector.

As shown in fig. 4, in the conventional dual-screen terminal, a main display panel 10 and a sub-display panel 20 are provided on a terminal housing, and are generally provided in a front-rear dual-screen manner. Set up a main FPC11 corresponding to main display panel 10, set up an vice FPC12 corresponding to vice display panel 20, be connected with the main control circuit board at terminal through main FPC11 and vice FPC12 respectively, it is used for placing to need to set up a FPC groove structure corresponding to main FPC11 and vice FPC12 respectively in the terminal casing to occupy great casing space, bring electromagnetic interference EMI moreover, influence main display panel 10 and vice display panel 20's working effect.

Based on the technical drawbacks described above, the following embodiments are provided.

Example 1

As shown in fig. 5 and 6, an embodiment of the present invention provides a display screen FPC structure for a dual-screen terminal, where the FPC structure includes: the main screen FPC11, the auxiliary screen FPC12 and the connecting substrate 13 are arranged integrally, the main screen FPC body 1102 and the auxiliary screen FPC body 1202 are arranged integrally through the connecting substrate 13, one end of the main screen FPC11 is connected to the main screen panel 10, and the other end of the main screen FPC11 is provided with a main connecting head 1101 connected with a main control circuit board; one end of the auxiliary screen FPC12 is connected to the auxiliary screen panel 20, and the other end of the auxiliary screen FPC12 is provided with an auxiliary connecting head 1201 connected with the main control circuit board.

The main connection head 1101 and the sub connection head 1201 are respectively located at two ends of the connection substrate 13. The two ends are provided with connectors which avoid mutual interference between the connectors and can be connected with the main control circuit board from the two ends respectively.

The main screen FPC body 1102 is connected with the main screen panel 10 at one end close to the auxiliary connecting head 1201; the sub-screen FPC body 1202 is connected to the sub-screen panel 20 at an end close to the main connector 1101. The connection positions of the main screen FPC body 1102 and the auxiliary screen FPC body 1202 and the main screen panel 10 and the auxiliary screen panel 20 occupy a certain length, so that the FPC body is L-shaped and is connected with the main screen panel 10 at one end close to the auxiliary connector 1201 through the main screen FPC body 1102; the sub-screen FPC body 1202 is connected with the sub-screen panel 20 at one end close to the main connector 1101; the main screen FPC body and the auxiliary screen FPC body are more compact in structure.

Wherein the connection substrate 13 is a polyimide or polyester film.

The main screen FPC body 1102 and the auxiliary screen FPC body 1202 are long strips, and the connecting substrate 13 is arranged in the length direction of the main screen FPC body 1102 and the auxiliary screen FPC body 1202, so that the main screen FPC body 1102 and the auxiliary screen FPC body 1202 are arranged.

Wherein, main screen FPC11 with vice screen FPC12 print forming is on same FPC substrate, FPC substrate both ends form respectively main connector 1101 with vice connector 1201, main connector 1101 with vice connector 1201 pass through the FPC connector with main control circuit board connects.

The main screen FPC body 1102 and the auxiliary screen FPC body 1202 are arranged on the FPC base material side by side in the length direction, and the main screen FPC body 1101 is connected with the main screen panel 10 at one end close to the auxiliary connector 1201; the sub-screen FPC body 1202 is connected to the sub-screen panel 20 at an end close to the main connector 1101.

Example 2

The shell of the mobile terminal is internally provided with a corresponding FPC groove structure corresponding to the display screen FPC structure, and the corresponding FPC groove structure is used for placing the display screen FPC structure.

Specifically, as shown in fig. 5 and 6, the FPC structure includes: the main screen FPC11, the auxiliary screen FPC12 and the connecting substrate 13 are arranged integrally, the main screen FPC body 1102 and the auxiliary screen FPC body 1202 are arranged integrally through the connecting substrate 13, one end of the main screen FPC11 is connected to the main screen panel 10, and the other end of the main screen FPC11 is provided with a main connecting head 1101 connected with a main control circuit board; one end of the auxiliary screen FPC12 is connected to the auxiliary screen panel 20, and the other end of the auxiliary screen FPC12 is provided with an auxiliary connecting head 1201 connected with the main control circuit board.

Wherein the connection substrate 13 is a polyimide or polyester film.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a display screen FPC structure at double screen terminal, its characterized in that, FPC structure includes: the main screen FPC body and the auxiliary screen FPC body are integrally arranged through the connecting substrate, one end of the main screen FPC is connected to the main screen panel, and the other end of the main screen FPC is provided with a main connector connected with a main control circuit board; one end of the auxiliary screen FPC is connected to the auxiliary screen panel, and the other end of the auxiliary screen FPC is provided with an auxiliary connector connected with the main control circuit board;

the main connector and the auxiliary connector are respectively positioned at two ends of the connecting substrate; the main screen FPC body is connected with the main screen panel at one end close to the auxiliary connector; the auxiliary screen FPC body is connected with the auxiliary screen panel at one end close to the main connector;

the main screen FPC body with vice screen FPC body is rectangular form, the connection substrate sets up main screen FPC body with vice screen FPC body length direction makes main screen FPC body with vice screen FPC body sets up side by side.

2. The FPC structure of a display screen of a dual screen terminal as recited in claim 1, wherein the connection substrate is a polyimide or polyester film.

3. The FPC structure of a display screen of a dual-screen terminal as recited in claim 1, wherein the main screen FPC and the sub-screen FPC are printed and formed on a same FPC substrate, the main connector and the sub-connector are respectively formed at two ends of the FPC substrate, and the main connector and the sub-connector are connected with the main control circuit board through FPC connectors.

4. The FPC structure of a display screen of a dual-screen terminal according to claim 3, wherein the main screen FPC body and the auxiliary screen FPC body are arranged side by side in a length direction on the FPC substrate, and the main screen FPC body is connected with the main screen panel at one end close to the auxiliary connector; the auxiliary screen FPC body is close to one end of the main connector and connected with the auxiliary screen panel.

5. A mobile terminal, characterized in that a main screen panel and a sub screen panel are arranged on the mobile terminal, and the display screen FPC structure according to any one of claims 1 to 4 is arranged corresponding to the main screen panel and the sub screen panel.

6. A mobile terminal according to claim 5, wherein a corresponding FPC groove structure is provided in the housing of the mobile terminal corresponding to the display FPC structure for placing the display FPC structure.