CN110687966A

CN110687966A - Terminal mainboard and terminal

Info

Publication number: CN110687966A
Application number: CN201910810580.3A
Authority: CN
Inventors: 范建功
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-01-14

Abstract

The invention discloses a terminal main board and a terminal, wherein the terminal main board comprises a screen adapting interface, the screen adapting interface comprises an interface adapted with an LCD screen of a liquid crystal display and an interface adapted with an OLED screen of an Organic Light Emitting Diode (OLED) to be connected with the LCD screen or the OLED screen, the problem that the manufacturing period of the terminal is long due to the fact that the existing screen selected according to the conditions of user requirements, market supply and the like is not matched with the manufactured terminal main board is solved, the terminal main board can be connected with the LCD screen and can also be connected with the OLED screen, namely the terminal main board is compatible with the LCD screen and the OLED screen, the manufacturing period is reduced, and the project progress is improved.

Description

Terminal mainboard and terminal

Technical Field

The invention relates to the technical field of terminals, in particular to a terminal main board and a terminal.

Background

The terminal comprises a terminal main board and a screen, wherein the terminal main board is connected with the screen to control the screen to display and the like, and the display effect of the terminal screen is one of important manifestations of terminal performance difference.

Currently, a terminal screen mainly includes an LCD (Liquid Crystal Display) screen and an OLED (Organic Light-Emitting Diode) screen, which have advantages, the OLED screen is bright in color and low in power consumption, but is a short panel in market supply; LCD screens are inexpensive and technically mature, but the color display aspect of the screen is inferior compared to OLED screens.

In the prior art, a terminal main board can only be matched with one of screens. In the actual manufacturing process, the screen selected according to the conditions of user demand, market supply and the like may not match with the manufactured terminal motherboard, so that the motherboard needs to be manufactured again or modified. However, whether the main board is manufactured again or modified, the time spent on the main board is generally long, so that the manufacturing process of the terminal is long, and the project schedule is seriously influenced.

Disclosure of Invention

The invention aims to solve the technical problem that a screen selected according to conditions such as user requirements, market supply and the like is not matched with a manufactured terminal main board, so that the manufacturing period of a terminal is long.

In order to solve the above technical problem, the present invention provides a terminal motherboard, including: a screen adapting interface including an interface adapted to a Liquid Crystal Display (LCD) screen and an interface adapted to an Organic Light Emitting Diode (OLED) screen to connect the LCD screen or the OLED screen.

Optionally, the screen adaptation interface includes a screen shared adaptation interface, an LCD screen dedicated adaptation interface, and an OLED screen dedicated adaptation interface;

the screen common adaptive interface is adaptive to the screen common interface, and the screen common interface is an interface included on both the LCD screen and the OLED screen;

the LCD screen special adaptive interface is adapted to an LCD screen special interface which is an interface existing on an LCD screen and not existing on an OLED screen;

the OLED screen special adaptive interface is adaptive to the OLED screen special interface, and the OLED screen special interface is an interface existing on an OLED screen and not existing on an LCD screen.

Optionally, the screen common adapter interface includes a common power adapter interface;

the LCD screen special adaptive interface comprises an LCD screen special power supply adaptive interface;

the OLED screen special adaptive interface comprises an OLED screen special power supply adaptive interface.

Optionally, the terminal main board includes: the power management chip PMI and the OLED drive power module are designed aiming at the LCD screen, and the PMI designed aiming at the LCD screen comprises the common power supply adaptive interface and the power supply adaptive interface special for the LCD screen;

the OLED driving power supply module comprises the power supply adapting interface special for the OLED screen.

Optionally, the terminal main board includes: the PMI for the OLED design comprises the common power supply adaptive interface and the OLED screen dedicated power supply adaptive interface;

the LCD driving power supply module comprises a power supply adapting interface special for the LCD screen.

Optionally, the screen sharing adaptation interface includes: the common screen control general purpose input/output port GPIO is used for being connected with a common control interface, and the common control interface is a control interface which is included by both an LCD screen and an OLED screen;

the LCD screen dedicated adapter interface comprises: the control GPIO special for the LCD screen is used for being connected with a control interface special for the LCD screen, and the control interface special for the LCD screen is a control interface which exists on the LCD screen and does not exist on the OLED screen;

the OLED screen special adapter interface comprises: the special control GPIO for the OLED screen is used for being connected with a special control interface for the OLED screen, and the special control interface for the OLED screen is a control interface which exists on the OLED screen and does not exist on the LCD screen.

Optionally, the screen sharing adaptation interface includes: and the shared MIPI is matched with the data transmission interfaces of the LCD screen and the OLED screen.

Optionally, the terminal main board further includes: set up respectively LCD connector and OLED connector on two wiring faces of terminal mainboard, just the LCD connector with the OLED connector overlaps completely in the vertical direction, the LCD connector be used for with screen sharing adaptation interface with the special adaptation interface of LCD screen is connected with the LCD screen, the OLED connector be used for with screen sharing adaptation interface with the special adaptation interface of OLED screen is connected with the OLED screen.

Optionally, the common pin of the LCD connector and the common pin of the OLED connector are connected through a via hole disposed beside the connector, and the common pin is a pin connected to the common screen adapter interface.

Further, the invention also provides a terminal, which comprises the terminal main board as described in any one of the above, and an LCD screen or an OLED screen connected with the terminal main board.

Advantageous effects

The invention provides a terminal main board and a terminal, aiming at the defect that the manufacture period of the terminal is long because the screen selected according to the conditions of user demand, market supply and the like is not matched with the manufactured terminal main board.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic diagram of a hardware structure of an optional mobile terminal for implementing various embodiments of the present invention.

FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;

fig. 3 is a schematic structural diagram of a terminal main board according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a terminal main board according to a first embodiment of the present invention;

fig. 5 is a side view of a terminal main board according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a terminal main board according to a second embodiment of the present invention;

fig. 7 is a partial top view of a terminal main board according to a second embodiment of the present invention;

fig. 8 is a schematic diagram illustrating a connection between a terminal main board and an LCD screen according to a second embodiment of the present invention;

fig. 9 is a schematic view illustrating a connection between a terminal main board and an OLED screen according to a second embodiment of the present invention.

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 a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), 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).

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/O) port, a video I/O 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 handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. 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 functions Entity) 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 (IP Multimedia Subsystem), or other IP services, among others.

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 wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.

Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.

First embodiment

In order to solve the problem that the whole manufacturing cycle of the terminal is long due to the fact that the screen selected according to the conditions of user demand, market supply and the like is not matched with the manufactured terminal main board, the embodiment provides a terminal main board, as shown in fig. 3, the terminal main board includes: the screen adaptation interface comprises an interface 301 adapted to the LCD screen and an interface 302 adapted to the OLED screen, so that the terminal main board can be connected with the OLED screen or the LCD screen, that is, the terminal main board can be connected with the LCD screen and the OLED screen, that is, the terminal main board is compatible with the LCD screen and the OLED screen, thereby improving the compatibility of the terminal main board, reducing the manufacturing period and improving the project progress.

In this embodiment, the terminal motherboard may include two sets of screen adapter interfaces (i.e., two sets of screen adapter interfaces are provided on the terminal motherboard), one set of screen adapter interface is adapted to the LCD screen, and the other set of screen adapter interface is adapted to the OLED screen. For example, whether the LCD screen or the OLED screen includes a Power interface for connecting a Power source to supply Power to the screen, and since voltages and the like connected to the Power interfaces on the LCD screen and the OLED screen are different, the terminal board may include two sets of Power adapting interfaces, one set of Power adapting interfaces being adapted to the Power interface of the LCD screen, and the other set of Power adapting interfaces being adapted to the OLED screen, for example, the terminal board may include two PMIs (Power Management ICs), one of which is designed based on the LCD screen and includes a Power adapting interface adapted to the LCD screen, and the other of which is designed based on the OLED screen and includes a Power adapting interface adapted to the OLED screen. It should be noted that, the LCD screen and the OLED screen include other interfaces that need to be connected to the terminal motherboard, such as control interfaces, besides the power interface, and for these interfaces, two sets of control interfaces may also be provided on the terminal motherboard, where one set is adapted to the LCD screen and the other set is adapted to the OLED screen.

In this embodiment, two sets of screen adapting interfaces are arranged in the terminal motherboard, one set of screen adapting interface is adapted to the LCD screen, and the other set of screen adapting interface is adapted to the OLED screen, so that a large number of interfaces of the terminal motherboard are occupied, and on the LCD screen and the OLED screen, some interfaces have the same definition and use, and can share the interfaces on the terminal motherboard, so as to save resources, as shown in fig. 4, the screen adapting interfaces of the terminal motherboard can include a screen sharing adapting interface 401, an LCD screen dedicated adapting interface 402, and an OLED screen dedicated adapting interface 403.

The screen shared adaptation interface 401 is adapted to a screen shared interface, and the screen shared interface is an interface included in both the LCD screen and the OLED screen. For example, assuming that a 3.3V power interface is included on the LCD screen, a 3.3V power interface is also included on the OLED screen, therefore, the 3.3V power interface is the interface included on both LCD screen and OLED screen, namely a screen common interface, because the power supply needed by the 3.3V power supply interface on the LCD screen is the same as that needed by the 3.3V power supply interface on the OLED screen, if two interfaces capable of providing 3.3V power supply are arranged on the terminal main board, resources are wasted, and therefore, in order to save resources, only one screen common adapter interface 1 capable of providing 3.3V power supply can be arranged on the terminal main board, so that, when the terminal main board is connected with the LCD screen, the 3.3V power interface on the LCD screen is supplied with electric energy through the screen common adapter interface 1, when the terminal main board is connected with the OLED screen, the electric energy can be provided for the 3.3V power interface on the OLED screen through the screen shared adaptive interface 1.

In this embodiment, the LCD screen dedicated interface 402 is adapted to the LCD screen dedicated interface, which is a dedicated interface on the LCD screen, that is, an interface existing only on the LCD screen and not existing on the OLED screen. For example, the LCD screen includes an LCD internal source positive power interface with a voltage of +5.4V, and the OLED screen does not include a +5.4V power interface, so the LCD internal source positive power interface is an LCD screen specific interface, and an LCD screen specific adapter interface is provided on the terminal main board, and is used for providing a +5.4V power to adapt to the LCD internal source positive power interface.

In this embodiment, the OLED screen dedicated interface 403 is adapted to the OLED screen dedicated interface, which is a dedicated interface on the OLED screen, that is, an interface existing only on the OLED screen and not existing on the LCD screen. For example, the OLED screen includes an OLED _ ELVDD interface having a voltage of 4.6V to 5.2V, and the LCD screen does not include the power interface, so the OLED _ ELVDD interface is an OLED screen specific interface, and an OLED screen specific interface for providing a 4.6V to 5.2V power to be adapted to the OLED _ ELVDD interface is provided on the terminal main board.

For better understanding, it is assumed that A, B, C three interfaces are included on the LCD screen and connected with the terminal main board, and A, B, D three interfaces are included on the OLED screen and connected with the terminal main board. Since A, B interfaces are included on both the LCD screen and the OLED screen, the A, B interface is a screen-sharing interface, C is a LCD screen-specific interface, and D is an OLED screen-specific interface. Then can set up two sets of screen adaptation interfaces on the terminal mainboard, respectively with LCD screen, OLED screen adaptation: namely, a1 (adapted to the interface A), B1 (adapted to the interface B) and C (adapted to the interface C) are arranged and are respectively connected with A, B, C on the LCD screen; the terminal main board comprises two interfaces adaptive to the A interface and two interfaces adaptive to the B interface, and in the mode, the terminal main board is only connected with the LCD screen or the OLED screen in the subsequent manufacturing process, so that waste of the interfaces can be caused. In order to avoid this, for the interfaces existing on both the LCD screen and the OLED screen (i.e. the screen sharing interface), the interfaces on the terminal main board can be shared, and for the proprietary interfaces on the LCD screen and the OLED screen, the interfaces adapted to the interfaces are respectively arranged on the terminal main board: namely, a (adaptive to interface A), B (adaptive to interface B), C (adaptive to interface C) and D (adaptive to interface D) are arranged on the terminal main board, so that when the terminal main board needs to be connected with an LCD screen, a, B and C are respectively connected with A, B, C, and when the terminal main board needs to be connected with an OLED screen, a, B and D are respectively connected with A, B, D.

It should be noted that, no matter the LCD screen or the OLED screen, the LCD screen or the OLED screen includes a power Interface (for connecting an external power source to provide power for the screen), a control Interface (for receiving control data of the terminal motherboard or transmitting control data to the terminal motherboard), a data transmission Interface (for receiving data to be displayed), and the terminal motherboard correspondingly includes a power adapter Interface (for connecting with the power Interface on the screen and supplying power for the screen), a GPIO (General-purpose input/output) for connecting with the control Interface on the screen, and an MIPI (Mobile Industry Processor Interface) for connecting with the data transmission Interface on the screen.

In this embodiment, the power supplies required by the power interfaces on the LCD screen and the OLED screen are the same, so the screen shared adaptation interface may include a shared power supply adaptation interface, the shared power supply adaptation interface is adapted to the shared power supply interface, and it should be noted that the shared power supply interface is a power supply interface included in both the LCD screen and the OLED screen, that is, an interface with the same voltage required by the LCD screen and the OLED screen. For example, the OLED screen includes an OLED _ TP _ IVDD interface (i.e. an IO port circuit power interface of the OLED screen touch screen, which requires 1.8V power) and an OLED _ TP _ AVDD (i.e. an OLED screen touch screen analog circuit power interface, which requires 2.8V power), the LCD screen includes an LCD _ TP _ IVDD interface (i.e. an IO port circuit power interface of the LCD screen touch screen, which requires 1.8V power) and an LCD _ TP _ AVDD (i.e. an LCD screen touch screen analog circuit power interface, which requires 2.8V power), since there are 1.8V and 2.8V power interfaces on both the LCD screen and the OLED screen, the 1.8V and 2.8V power interfaces are common power interfaces, two common power adapter interfaces may be provided on the terminal motherboard, one of which provides 1.8V power, and one of the common power adapter interfaces provides 2.8V power, and the system is adaptive to an OLED _ TP _ AVDD interface and an LCD _ TP _ AVDD interface.

In this embodiment, the LCD screen dedicated interface includes an LCD screen dedicated power adapter interface for adapting to the LCD screen dedicated power interface, and the LCD screen dedicated power interface is a power interface that exists on the LCD screen and does not exist on the OLED screen, that is, the LCD screen dedicated power interface. For example, the LCD screen includes an LCD _ IVDD interface (i.e., an IO port circuit power interface of the LCD, the required power is 1.88V), an LCD _ VREG _ WLED interface (i.e., a backlight power interface of the LCD), an LCD _ VDISP _ P interface (i.e., an LCD internal source power interface, the required power is +5.4V), an LCD _ VDISP _ M interface (i.e., an LCD internal source power interface, the required power is-5.4V), and the like, which are all only present on the LCD screen, but not included on the OLED screen, and therefore, an interface adapted to the LCD screen-specific power interface needs to be provided on the terminal main board.

In this embodiment, the OLED screen specific adaptation interface includes an OLED screen specific power adaptation interface, and since the OLED screen specific adaptation interface is adapted to the OLED screen specific power interface, the OLED screen specific power interface is a power interface that exists on the OLED screen and does not exist on the LCD screen. For example, the OLED _ ELVDD interface (interface providing positive power to the drain of the level 2 circuit, the required power is 4.6V-5.2V), the OLED _ ELVSS interface (interface providing negative power to the source of the level 2 circuit, the required power is (-1.4V) - (-5.2V)), the OLED _ VLIN interface (analog circuit power interface), the OLED _ VCI interface (providing power to the DVDD/MVDDA two LDOs), etc., which mean values exist in the OLED screen, but the LCD screen does not include these interfaces, and therefore, an interface adapted to the power interface specific to the OLED screen needs to be provided on the terminal motherboard.

In this embodiment, in order to implement that a power interface (common power interface) with the same voltage on the LCD screen and the OLED screen shares a power adapter interface on the terminal motherboard, power interfaces (dedicated power interfaces) with different voltages are respectively disposed on the terminal motherboard at the power adapter interfaces adapted to the power interfaces, the terminal motherboard may include a PMI designed for the LCD screen and an OLED driving power module, where the PMI designed for the LCD screen includes interfaces adapted to all power interfaces of the LCD screen, that is, the PMI designed for the LCD screen includes a common power adapter interface and a power adapter interface dedicated to the LCD screen; the OLED driving power supply module comprises an OLED screen special power supply adapter interface. Or, the terminal motherboard may include a PMI designed for the OLED screen and an LCD driving power module, where the PMI designed for the OLED screen includes interfaces adapted to all power interfaces of the OLED screen, that is, the PMI designed for the OLED screen includes a common power adapter interface and an OLED screen dedicated power adapter interface; the LCD driving power supply module comprises a power supply adapting interface special for an LCD screen.

In the embodiment, in the aspect of control signals, since GPIO resources on the terminal motherboard are limited, in order to save resources, one GPIO interface may be shared when the definitions of the control interfaces on the LCD screen and the OLED screen are consistent with the usage. Therefore, in this embodiment, the screen shared adaptive interface includes a shared screen control GPIO, the shared screen control GPIO is used to connect with a shared control interface, and the shared screen control interface is a control interface included in both the LCD screen and the OLED screen, that is, an interface defined on the LCD screen and the OLED screen and consistent with a purpose. For example, the LCD screen includes an LCD _ RST interface (reset signal interface), the OLED screen includes an OLED _ RST interface (reset signal interface), and both the two control interfaces are reset signal interfaces, so that the two interfaces may share one GPIO interface, for example, GPIO interface 01 may be shared, when the terminal motherboard is connected to the LCD screen, the GPIO interface 01 is connected to the LCD _ RST interface, and when the terminal motherboard is connected to the OLED screen, the GPIO interface 01 is connected to the OLED _ RST interface.

In this embodiment, part of the control interfaces on the LCD screen are different from the control interfaces on the OLED screen, so that the dedicated adaptation interface for the LCD screen on the terminal motherboard includes the dedicated control GPIO for the LCD screen, and the dedicated adaptation interface for the OLED screen includes the dedicated control GPIO for the OLED screen. The LCD screen dedicated control GPIO is used to connect with the LCD screen dedicated control interface, and the LCD screen dedicated control interface is a control interface that exists on the LCD screen and does not exist on the OLED screen, for example, the LCD screen includes an LCD _ INT interface (interrupt signal interface), and the OLED screen does not include an interrupt signal interface, so that a GPIO that is used to connect with the LCD _ INT interface needs to be separately set on the terminal main board. The OLED screen dedicated control GPIO is used for being connected with the OLED screen dedicated control interface, the OLED screen dedicated control interface is a control interface which exists on an OLED screen and does not exist on an LCD screen, for example, the OLED screen comprises an OLED _ ERR _ FG interface (MIPI error signal flag bit interface), the LCD screen does not comprise the OLED screen dedicated control interface, and therefore, a GPIO which is the OLED screen dedicated control GPIO needs to be separately arranged on a terminal mainboard and is used for being connected with the OLED _ ERR _ FG interface.

In this embodiment, in order to better understand the screen common control GPIO and the screen dedicated control GPIO, an example is described here. Referring to the following tables 1 and 2, where table 1 is a control signal distribution table of an LCD screen, and table 2 is a control signal distribution table of an OLED screen, and since the LCD screen and the OLED screen both include a control signal interface (TE interface), a reset signal interface (RST interface), an ID interface (for distinguishing different manufacturer interfaces), a TP _ RST interface (touch screen reset signal interface), a TP _ INT interface (interrupt signal interface of a touch screen), a TP _ SCL interface (clock signal interface of I2C of the touch screen), and a TP _ SDA interface (data signal interface of I2C of the touch screen), a screen sharing control GPIO may be set on a terminal motherboard: GPIO _1-GPIO _7, GPIO _1 is adapted to an LCD _ TE interface and an OLED _ TE interface, GPIO _2 is adapted to an LCD _ RST interface and an OLED _ RST interface, GPIO _3 is adapted to an LCD _ ID interface and an OLED _ ID interface, GPIO _4 is adapted to an LCD _ TP _ RST interface and an OLED _ TP _ RST interface, GPIO _5 is adapted to an LCD _ TP _ INT interface and an OLED _ TP _ INT interface, GPIO _6 is adapted to an LCD _ TP _ SCL interface and an OLED _ TP _ SCL interface, and GPIO _7 is adapted to an LCD _ TP _ SDA interface and an OLED _ TP _ SDA interface. Since the LCD _ CABC and the LCD _ INT only exist on the LCD screen, the special control GPIO for the LCD screen is arranged on the main board of the terminal: GPIO _8 (for interfacing with LCD _ CABC) and GPIO _9 (for interfacing with LCD _ INT). Since the OLED _ ERR _ FG exists only on the OLED screen, the OLED screen-specific control GPIO is set on the terminal motherboard: GPIO _10 (for connection to OLED _ ERR _ FG).

TABLE 1

TABLE 2

In this embodiment, the screen shared adaptive interface includes a shared MIPI interface, and the interface is adapted to both the data transmission interfaces of the LCD screen and the OLED screen.

In this embodiment, the terminal main board further includes: the terminal comprises an LCD connector and an OLED connector which are respectively arranged on two wiring surfaces of a terminal main board, wherein the LCD connector is used for connecting a screen shared adaptation interface and a special adaptation interface for an LCD screen with the LCD screen, and the OLED connector is used for connecting the screen shared adaptation interface and the special adaptation interface for the LCD screen with the OLED screen. To save resources, the LCD connector and the OLED connector may be completely overlapped in a vertical direction, i.e., from a top view perspective. Referring to fig. 5, fig. 5 is a partial side view of the terminal main board, and the LCD connector 501 may be disposed on the Top layer of the terminal main board 50, and the OLED connector 502 may be disposed on the Bottom layer of the terminal main board 50.

In this embodiment, in order to implement the screen sharing interface on the LCD screen and the OLED screen, the common pin of the LCD connector and the common pin of the OLED connector may be connected together, where the common pin is a pin connected to the common screen sharing interface. It should be noted that, when the LCD connector and the OLED connector are provided, the common pins on the LCD connector and the OLED connector may be overlapped in the vertical direction, for example, if GPIO _6 is adapted to the LCD _ TP _ SCL interface and the OLED _ TP _ SCL interface, pin 1-1 is present on the LCD connector for interfacing GPIO _6 with the LCD _ TP _ SCL interface, and pin 2-1 is present on the OLED connector for interfacing GPIO _6 with the OLED _ TP _ SCL interface, since pin 1-1 and pin 2-1 are both connected to GPIO _6, pin 1-1 and pin 2-1 are overlapped in the vertical direction for the common pin. Because the bonding pads between the two pins of the connector are too close, the common pins of the LCD connector and the common pins of the OLED connector are connected together by directly punching holes on the bonding pads with too great difficulty, therefore, the common pins can be connected together through the through holes arranged beside the connector, for example, the screen common adaptive interface comprises a common MIPI interface, therefore, the MIPI pins connected with the common MIPI interface on the LCD connector and the MIPI pins connected with the common MIPI interface on the OLED connector can be connected together through the through holes arranged beside the connector.

This embodiment provides a terminal mainboard, this terminal mainboard includes, screen adaptation interface include with the interface of LCD screen adaptation and with the interface of organic light emitting diode OLED screen adaptation to connect LCD screen or OLED screen, that is to say, the terminal mainboard that this embodiment provided both can be connected with the LCD screen, also can with the OLED screen, also can be with terminal mainboard compatible LCD screen and OLED screen, thereby reduce the preparation cycle, promote the project progress.

Second embodiment

For better understanding of the present invention, this embodiment is described with reference to a more specific example, and referring to fig. 6, fig. 6 is a schematic structural diagram of a terminal motherboard provided in the embodiment of the present invention, where the terminal motherboard includes: CPU60 and PMI61, OLED drive power module 62.

The PMI61 is designed for an LCD screen, and includes an interface adapted to a power supply required by the LCD screen, that is, includes a common power supply adaptation interface and a power supply adaptation interface dedicated to the LCD screen, where the common power supply adaptation interface is adapted to the common power supply interface, and it should be noted that the common power supply interface is a power supply interface included in both the LCD screen and the OLED screen, that is, an interface with the same voltage required by the LCD screen and the OLED screen. The special adaptive interface for the LCD screen is adaptive to the special power interface for the LCD screen, and the special power interface for the LCD screen is a special power interface in the LCD screen.

The OLED driving power module 62 is connected with the PMI61 and is used for obtaining power from the PMI. The OLED driving power module 62 includes an OLED screen power dedicated adapter interface for adapting to an OLED screen dedicated power interface, which is a power interface dedicated in the OLED screen.

For example, see tables 3 and 4, where table 3 is a table of LCD screen power interfaces and their corresponding power adapter interfaces, and table 4 is a table of OLED screen power interfaces and their corresponding power adapter interfaces. The power adaptation interfaces 1_2 and 1_3 in the PMI are common power adaptation interfaces, and respectively provide power for the LCD _ TP _ IVDD and the LCD _ TP _ AVDD when the terminal main board is connected with the LCD screen, and respectively provide power for the OLED _ TP _ IVDD and the OLED _ TP _ AVDD when the terminal main board is connected with the OLED screen. The OLED driving power module 62 includes an OLED driving chip 621 and a 3.3VLDO (Low drop out Regulator) 622, where the OLED driving chip 621 is used for supplying power to OLED _ ELVDD, OLED _ ELVSS, and OLED _ VLIN, and the 3.3VLDO622 is used for supplying power to OLED _ VCI.

TABLE 3

TABLE 4

In the present embodiment, the CPU60 is connected to the PMI61 for obtaining electric power from the PMI 61. CPU60 includes GPIO module 601 and MIPI module 602.

The GPIO block 601 includes a common screen control GPIO, an LCD screen dedicated control GPIO, and an OLED screen dedicated control GPIO. The common screen control GPIO is used for being connected with a common control interface, and the common control interface is a control interface which is included by both an LCD screen and an OLED screen; the special control GPIO for the LCD screen is used for being connected with the special control interface for the LCD screen, and the special control interface for the LCD screen is a control interface which exists on the LCD screen and does not exist on the OLED screen; the special control GPIO for the OLED screen is used for being connected with the special control interface for the OLED screen, and the special control interface for the OLED screen is a control interface which exists on the OLED screen and does not exist on the LCD screen. Referring to the above table 1 and the following table 5, table 1 is a control signal distribution table of an LCD screen, table 5 is a control signal distribution table of an OLED screen, where GPIO _1-GPIO _7 are screen common control GPIOs, GPIO _8 and GPIO _9 are LCD screen dedicated control GPIOs, and GPIO _10 is an OLED screen dedicated control GPIO. In this embodiment, since the VCI power interface (OLED _ VCI interface) of the OLED needs the 3.3V LDO622 to supply power alone, in order to ensure the power-on timing sequence, a GPIO port is separately allocated to the LDO to perform the enabling control alone, and the network name of the control signal, for example, the OLED _ VCI _ EN shown in table 5, is controlled by GPIO _ 11.

TABLE 5

The MIPI module 602 includes a common MIPI interface, and is configured to transmit data to the LCD screen when the terminal motherboard is connected to the LCD screen, and transmit data to the OLED screen when the terminal motherboard is connected to the OLED screen.

In this embodiment, the terminal main board further includes: the terminal comprises an LCD connector and an OLED connector which are respectively arranged on two wiring surfaces of a terminal main board, wherein the LCD connector is used for connecting a screen shared adaptation interface and a special adaptation interface for an LCD screen with the LCD screen, and the OLED connector is used for connecting the screen shared adaptation interface and the special adaptation interface for the LCD screen with the OLED screen. The LCD connector is placed on the Top layer of the terminal main board, and the OLED connector is placed on the Bottom layer of the terminal main board. The LCD connector and the OLED connector completely overlap in the vertical direction. The LCD connector and the OLED connector both comprise MIPI pins, the MIPI pins on the LCD connector are used for connecting a common MIPI interface with a data transmission interface of an LCD screen, the MIPI pins on the OLED connector are used for connecting the common MIPI interface with the data transmission interface of the OLED screen, the MIPI pins on the LCD connector and the MIPI pins on the OLED connector are completely overlapped in the vertical direction, connecting through holes are formed beside the connectors, then the connectors are connected together, and then the MIPI pins are connected with the common MIPI interface, so that the MIPI interface shared by the LCD screen and the OLED screen is achieved, for example, as shown in fig. 7, a partial Top view of a terminal mainboard is shown in fig. 7, and MIPI pins 5011 on an LCD connector 501 on a Top layer of the terminal mainboard 50Top layer are connected with MIPI pins (not shown in the figure) of an OLED screen connector on a Bottom layer of the terminal mainboard 50 through holes 701 arranged beside the LCD connector 501.

Referring to fig. 8, fig. 8 is a schematic diagram illustrating connection between a terminal main board and an LCD screen provided in this embodiment.

Referring to fig. 9, fig. 9 is a schematic diagram illustrating a connection between a terminal main board and an OLED screen provided in this embodiment.

Third embodiment

The present embodiment provides a terminal, which can be implemented in various forms. For example, it may be a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palm top 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 terminal comprises the terminal main board described in the first embodiment or the second embodiment, and an LCD screen or an OLED screen connected with the terminal main board.

The embodiment provides a terminal, which comprises a terminal main board, wherein the terminal main board comprises a screen adapting interface, the screen adapting interface comprises an interface adapted to an LCD screen of a liquid crystal display and an interface adapted to an OLED screen of an organic light emitting diode, the terminal further comprises an LCD screen or an OLED screen, and the terminal main board is connected to the LCD screen or the OLED screen, that is, the terminal provided by the embodiment is compatible with the LCD screen and the OLED screen.

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.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A terminal main board, comprising: a screen adapting interface including an interface adapted to a Liquid Crystal Display (LCD) screen and an interface adapted to an Organic Light Emitting Diode (OLED) screen to connect the LCD screen or the OLED screen.

2. The terminal board of claim 1, wherein the screen-specific adaptation interface comprises a screen-common adaptation interface, an LCD screen-specific adaptation interface, and an OLED screen-specific adaptation interface;

3. The terminal motherboard of claim 2 wherein the screen-sharing adapter interface comprises a sharing power adapter interface;

4. The terminal board according to claim 3, wherein the terminal board comprises: the power management chip PMI and the OLED drive power module are designed aiming at the LCD screen, and the PMI designed aiming at the LCD screen comprises the common power supply adaptive interface and the power supply adaptive interface special for the LCD screen;

5. The terminal board according to claim 3, wherein the terminal board comprises: the PMI for the OLED design comprises the common power supply adaptive interface and the OLED screen dedicated power supply adaptive interface;

6. The terminal board of claim 2, wherein the screen sharing adaptation interface comprises: the common screen control general purpose input/output port GPIO is used for being connected with a common control interface, and the common control interface is a control interface which is included by both an LCD screen and an OLED screen;

7. The terminal board of claim 2, wherein the screen sharing adaptation interface comprises: and the shared MIPI is matched with the data transmission interfaces of the LCD screen and the OLED screen.

8. The terminal board according to any one of claims 2 to 7, wherein the terminal board further comprises: set up respectively LCD connector and OLED connector on two wiring faces of terminal mainboard, just the LCD connector with the OLED connector overlaps completely in the vertical direction, the LCD connector be used for with screen sharing adaptation interface with the special adaptation interface of LCD screen is connected with the LCD screen, the OLED connector be used for with screen sharing adaptation interface with the special adaptation interface of OLED screen is connected with the OLED screen.

9. The terminal board of claim 8, wherein the common pin of the LCD connector and the common pin in the OLED connector are connected by a via disposed beside the connector, the common pin being a pin that interfaces with the common screen adapter.

10. A terminal, characterized in that the terminal comprises a terminal main board according to any one of claims 1-9, and an LCD screen or an OLED screen connected to the terminal main board.