WO2022148056A1 - 显示设备及驱动方法 - Google Patents

显示设备及驱动方法 Download PDF

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Publication number
WO2022148056A1
WO2022148056A1 PCT/CN2021/118593 CN2021118593W WO2022148056A1 WO 2022148056 A1 WO2022148056 A1 WO 2022148056A1 CN 2021118593 W CN2021118593 W CN 2021118593W WO 2022148056 A1 WO2022148056 A1 WO 2022148056A1
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WIPO (PCT)
Prior art keywords
timing information
display
video timing
external device
data signal
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PCT/CN2021/118593
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English (en)
French (fr)
Inventor
王昊
卢平光
吴燕丽
徐春辉
Original Assignee
海信视像科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from CN202110028602.8A external-priority patent/CN114765698B/zh
Priority claimed from CN202110028388.6A external-priority patent/CN114765002A/zh
Priority claimed from CN202110029260.1A external-priority patent/CN114765699A/zh
Application filed by 海信视像科技股份有限公司 filed Critical 海信视像科技股份有限公司
Publication of WO2022148056A1 publication Critical patent/WO2022148056A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431Generation of visual interfaces for content selection or interaction; Content or additional data rendering

Definitions

  • Some embodiments of the present application provide a display device, including:
  • a display configured to display a user interface; an external device interface, configured to transmit data with an external device; a controller, configured to control the display after receiving a data signal input from the external device from the external device interface Displays the video timing information user interface.
  • Some embodiments of the present application provide a driving method, including: when the external device is connected, determining an access mode of the external device according to pre-stored port definition information. When it is determined that the access mode of the external device is the first access mode, based on the stored video timing information of the data signal input from the external device received from the external device interface and the video timing corresponding to the set data format information, and control the display to display the video timing information user interface. When it is determined that the access mode of the external device is the second access mode, controlling the display to display a video timing information user interface based on the video timing information of the data signal input from the external device received from the external device interface .
  • Some embodiments of the present application provide a driving method, which may include: when an external device is connected to a display device and is electrically connected to a first control module, connecting to a response pin input device of a second control module through the first control module instruction. And, when the external device pulls out the display device and is disconnected from the first control module, the device pulling out instruction is input to the response pin of the second control module through the first control module.
  • Some embodiments of the present application provide a display device, including: a display configured to display a user interface; an external device interface configured to perform data transmission with the external device; a controller configured to: in response to an input from the user interface The control instruction is selected, the display is controlled to display the EDID user interface, and the EDID parameter information is updated, so that the external device connected to the external device interface can transmit the corresponding data signal based on the EDID parameter information.
  • Some embodiments of the present application provide a driving method, which includes: when a data signal input by an external device interface is a data signal of a set data format, controlling a display to display after down-sampling the data signal.
  • FIG. 1 shows an operation scenario between a display device and a control apparatus according to some embodiments
  • FIG. 2 shows a block diagram of a hardware configuration of a control device according to some embodiments
  • FIG. 4 shows a connection diagram of an external device and an FRC chip and an SOC in a display device according to some embodiments
  • Fig. 5a shows the connection relationship diagram of the external device and the relevant pins of the FRC chip and the SOC in the display device according to some embodiments
  • Fig. 5b shows the connection relationship diagram between the external device and the relevant pins of the FRC chip and the SOC in the display device according to further embodiments;
  • Figure 6a shows a schematic diagram of a UI interface displayed by a display according to some embodiments
  • Figure 7a illustrates an interaction diagram according to some embodiments
  • Figure 7b shows a flowchart according to some embodiments
  • Figure 8a shows a schematic diagram of a UI interface displayed by a display according to further embodiments
  • Figure 8b shows a schematic diagram of a UI interface displayed by a display according to further embodiments
  • Figure 9a shows a schematic diagram of a UI interface displayed by a display according to further embodiments.
  • Figure 9b shows a schematic diagram of a UI interface displayed by a display according to further embodiments.
  • Figure 10b shows a flow diagram according to further embodiments
  • Figure 11 shows a flow diagram according to yet other embodiments
  • Figure 12a shows a schematic diagram of a UI interface displayed by a display according to further embodiments
  • Figure 13 shows an interaction diagram according to yet other embodiments
  • Figure 14 shows an interaction diagram according to yet other embodiments.
  • module refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware or/and software code capable of performing the functions associated with that element.
  • the display device 200 can also be controlled in a manner other than the control apparatus 100 and the smart device 300.
  • the module for acquiring voice commands configured inside the display device 200 can directly receive the user's voice command for control.
  • the user's voice command control can also be received through the voice control device of the external device of the display device 200 .
  • the display device 200 may also be in data communication with the server 400 .
  • the display device 200 may be allowed to be communicatively connected through a local area network (LAN), a wireless local area network (WLAN), and other networks.
  • the server 400 may provide various contents and interactions to the display device 200 .
  • FIG. 2 exemplarily shows a configuration block diagram of the control apparatus 100 .
  • the control device 100 may include a controller 110 , a memory 120 , a communicator 130 , a user input interface 140 , a user output interface 150 , and a power supply 160 .
  • the controller 110 includes a random access memory (RAM) 111, a read only memory (ROM) 112, a processor 113, a communication interface, and a communication bus.
  • the controller 110 is used to control the operation and operation of the control device 100 , as well as the communication cooperation between internal components, and the external and internal data processing functions.
  • the memory 120 is used to store various operating programs, data and applications for driving and controlling the control device 100 under the control of the controller 110 .
  • the communicator 130 implements communication of control signals and data signals with the display device 200 under the control of the controller 110 .
  • the communicator 130 may include at least one of an infrared signal module 131, a WIFI module 132, a Bluetooth communication protocol module 133, a wired Ethernet communication protocol module 134, and an NFC module.
  • the user input interface 140 may include at least one of a microphone 141 , a touch pad 142 , a sensor 143 , a key 144 , etc., so that a user can input user operation instructions for controlling the display device 200 to the control device through voice, touch, gesture, pressing, etc. Device 100 .
  • the user output interface 150 outputs the user operation instruction received by the user input interface 140 to the display device 200, or outputs an image or voice signal received by the display device 200.
  • the user output interface 150 may include an LED interface 151, a vibration interface 152 that generates vibration, a sound output interface 153 that outputs sound, a display 154 that outputs images, and the like.
  • the power supply 160 is used to provide operating power support for each element of the control device 100 under the control of the controller 110 . It can be in the form of a battery and related control circuits.
  • the tuner-demodulator 210 can receive broadcast television signals in a wired or wireless manner, and can perform modulation and demodulation processing such as amplification, frequency mixing, and resonance for demodulating from multiple wireless or wired broadcast television signals Audio and video signals carried in the frequency of the TV channel selected by the user, and additional information (eg EPG data).
  • communicator 220 is a component for communicating with external devices or external servers according to various communication protocol types.
  • the communicator 220 may include at least one of a WIFI module 221, a Bluetooth communication protocol module 222, a wired Ethernet communication protocol module 223 and other network communication protocol modules or a near field communication protocol module, and an infrared receiver.
  • the external device interface 240 is a component that provides the controller 250 to control data transfer between the display device 200 and external devices.
  • the external device interface 240 may include but is not limited to the following: a high definition multimedia interface (High Definition Multimedia Interface, HDMI) 241, a composite video blanking synchronization (Composite Video Broadcast Signal, CVBS) interface 242, an analog or digital component interface 243, a universal serial interface Any one or more of a bus (USB) interface 244, a component (Component) interface (not shown in the figure), a red, green and blue (RGB) interface (not shown in the figure). Of course, it may also be a composite input/output interface formed by the above-mentioned multiple interfaces.
  • the controller 250 may include a random access memory (Random Access Memory, RAM) 251, a read-only memory (Read-Only Memory, ROM) 252, a graphics processor (Graphics Processing Unit, GPU) 253, a processing at least one of a processor 254 (for example, a central processing unit (CPU)), a communication interface 255, a video processor 256, an audio processor 257, a communication bus, and the like.
  • a processor 254 for example, a central processing unit (CPU)
  • the RAM 251 , the ROM 252 , the graphics processor 253 , the processor 254 , the video processor 256 , the audio processor 257 and the communication interface 255 can be connected through the communication bus 256 .
  • the communication interface 255 may include the first interface to the nth interface. These interfaces may be network interfaces connected to external devices via a network.
  • the user may input a user operation instruction on a user interface (User Interface, UI) displayed on the display 275, and the user interface 265 receives the user input command through the UI.
  • UI User Interface
  • the user interface 265 may receive user manipulation instructions for controlling the position of the selector in the UI to select different objects or items.
  • the "user interface” is the medium interface for interaction and information exchange between the application program or the operating system and the user, which realizes the conversion between the internal form of the information and the form acceptable to the user.
  • the power supply 290 can be used to provide power supply support for the display device 200 with the power input from the external power supply under the control of the controller 250 .
  • the power supply 290 may be a built-in power supply circuit installed inside the display device 200 , or may be a power supply installed outside the display device 200 .
  • the display device In practical applications, if the format of the data signal input to a display device (such as a TV) does not match the format supported by the display device, the display device will have a blurry screen, a black screen or no signal. For example, when a 4K TV is connected to an 8K data signal, because the 4K TV generally supports the display of 4K data signals and the decoding of up to 4K data signals, the problem of blurred screen, black screen or no signal occurs when the 8K data signal is connected.
  • FIG. 4 is a schematic structural diagram of an external device, a first control module 011, and a second control module 012 according to some embodiments of the present application.
  • the external device 11 can exchange data with the first control module 011 through the signal transmission line 12
  • the first control module 011 can exchange data with the second control module 012 through the signal transmission lines 13 and 14 .
  • the signal transmission line 12 and the signal transmission line 13 may be HDMI lines.
  • the signal transmission line 14 may be an I 2 C line.
  • the signal transmission lines 12 to 14 may also be other lines capable of realizing signal transmission, which are not limited herein.
  • the first control module 011 and the second control module 012 may be independently provided in the controller.
  • the first control module 011 can be implemented in the form of a chip
  • the second control module 012 can also be implemented in the form of a chip. The two chips are independently provided in the controller and transmit signals through a signal transmission line.
  • the implementation of the first control module 011 may take the form of a hardware embodiment, or an embodiment combining software and hardware aspects.
  • the first control module 011 may be a separately divided module in the SOC.
  • the first control module 011 may also be configured as a frame rate control (FRC) chip.
  • the first control module 011 may also be set to other chips. As long as the first control module 011 can satisfy the functions in this application, it is not specifically limited here.
  • the voltage control module is electrically connected to the first pin and the second pin of the first control module, respectively, and the response pin of the second control module is electrically connected to the first pin of the first control module.
  • the first control module is configured to control the second pin to output a first level signal when the external device is connected to the display device and is electrically connected to the first control module, the display device is pulled out from the external device, and is connected to the first control module.
  • the second pin is controlled to output a second level signal.
  • the external device 11 can be connected to the first control module 011 through the HDMI 12 for data transmission.
  • the first pin of the first control module may be a pin of the HDMI port, and a voltage of a positive voltage value is input to the first pin to pull the first pin high.
  • a voltage of 5V (of course, it can also be 6V, 8V, etc., which is not limited here) can be input to the first pin to pull it up, then the first pin of the first control module can be an HDMI port. 5V pin HDMI_TX_5V.
  • the first pin of the first control module may also be other pins of the HDMI port, which is not limited herein.
  • the first control module 011 can access the second control module 012 through HDMI 13 for data transmission.
  • the response pin of the second control module may be a pin of the HDMI port, and a positive voltage value is input to the response pin to pull the response pin high.
  • a voltage of 5V (of course, it can also be 6V, 8V, etc., which is not limited here) can be input to the response pin to pull it up, then the response pin of the second control module can be the 5V of the HDMI port.
  • Pin HDMI_RX_5V can also be other pins of the HDMI port, which is not limited here.
  • the first control module may have a plurality of general-purpose input/output (GPIO) pins, and the second pins may be set as GPIO pins.
  • GPIO general-purpose input/output
  • a GPIO pin GPIO_1 of the first control module can be electrically connected to the voltage control module with the 5V pin HDMI_TX_5V of the HDMI port HDMITx, so that the voltage control module can pull up the 5V pin HDMI_TX_5V of the HDMI port HDMITx of the first control module or Pull low, so as to control the 5V pin HDMI_RX_5V of the HDMI port HDMIRx of the second control module to be pulled high or low.
  • the voltage control module may be provided in the first control module.
  • the voltage control module can also be arranged in the second control module.
  • the voltage control module, the first control module and the second control module may also be arranged in different modules, respectively.
  • the design can be determined according to the needs of practical applications, which is not limited here.
  • the voltage control module may include: a first control sub-module, a second control sub-module and a voltage divider sub-module; wherein the first terminal of the first control sub-module is connected to the voltage input The terminals are electrically connected, the second terminal of the first control sub-module is electrically connected to the first pin of the first control module, and the control terminal of the first control sub-module is electrically connected to the second terminal of the second control sub-module;
  • the sub-module is configured to connect the voltage input terminal to the first pin of the first control module in response to a signal input to its control terminal, and to connect the voltage input terminal to the first pin of the first control module in response to a signal input to its control terminal.
  • the first control sub-module includes a first switch; wherein, the control terminal of the first switch is used as the control terminal of the first control sub-module, and the first terminal of the first switch is used as the first control terminal of the first control sub-module. terminal, the second terminal of the first switch is used as the second terminal of the first control sub-module.
  • the implementation form of the first control sub-module may also be in other forms, which are not limited herein.
  • the second control sub-module includes a second switch; wherein the control end of the second switch serves as the control end of the second control sub-module, and the first end of the second switch serves as the first end of the second control sub-module terminal, the second terminal of the second switch is used as the second terminal of the second control sub-module.
  • the implementation form of the second control sub-module may also be in other forms, which are not limited herein.
  • the voltage dividing sub-module is connected between the voltage input terminal and the second terminal of the second control sub-module, and is configured to divide the voltage.
  • the voltage dividing sub-module includes: a first resistor; wherein a first end of the first resistor is electrically connected to a second end of the second control sub-module, and a second end of the first resistor is electrically connected to the voltage input end connect.
  • the implementation form of the voltage dividing sub-module may also be other forms, which are not limited here.
  • the first control module 011 is set as the FRC chip 276, and the second control module 012 is set as the SOC 278 as an example for description.
  • the external device 11 has an HDMI port HDMITx (ie an HDMI output end)
  • the FRC chip 276 has an HDMI port HDMIRx (ie an HDMI receiving end)
  • an HDMI port HDMITx ie an HDMI output end
  • the SOC has an HDMI port Port HDMIRx (ie HDMI sink).
  • the external device 11 , the FRC chip and the SOC also have multiple other ports, which are not limited here.
  • the first switch K1 is an N-type MOS transistor, then the gate of the N-type MOS transistor can be used as the control terminal of the first switch, the source of the N-type MOS transistor can be used as the first terminal of the first switch, and the drain of the N-type MOS transistor can be used as the first terminal of the first switch.
  • the pole can be used as the second terminal of the first switch.
  • the 5V pin HDMI_TX_5V of the HDMI port HDMITx of the FRC chip 276 is connected through HDMI 13 to the 5V pin HDMI_RX_5V of the HDMI port HDMIRx of the SOC 278. Therefore, when the external device is connected to the display device and is electrically connected to the FRC chip in the first control module, the response pin of the SOC in the second control module (such as HDMI 5V pin) input device access command (such as 5V voltage). In this way, the 5V pin HDMI_TX_5V of the HDMI port HDMITx of the FRC chip 276 can be pulled high to pull up the 5V pin HDMI_RX_5V of the HDMI port of the SOC 278.
  • the source and the gate form an electric field, control the formation of a conductive channel between the source and the drain of the first switch K1, and output the 5V voltage of the voltage input terminal VIN_5V to the 5V pin HDMI_RX_5V of the HDMI port HDMIRx of the SOC 278, so that the SOC
  • the 5V pin HDMI_RX_5V of the HDMI port HDMIRx of the 278 is pulled high to realize the function of the FRC chip 276 pulling up the 5V pin HDMI_RX_5V of the HDMI port HDMIRx of the SOC 278 through the pin GPIO_1 and the voltage control module 15.
  • the voltage control module may further include: a second resistor R2, a third resistor R3, a first capacitor C1, a second capacitor C2, and a third capacitor C3 and at least one of the fourth capacitors C4.
  • the second resistor R2 is connected between the second terminal of the second switch K2 and the control terminal of the first switch K1.
  • the third resistor R3 is connected between the GPIO pin GPIO_1 and the control terminal of the second switch K2.
  • the first capacitor C1 is connected between the voltage input terminal VIN_5V and the ground terminal
  • the second capacitor C2 is connected between the voltage input terminal VIN_5V and the ground terminal
  • the third capacitor C3 is connected between the voltage input terminal VIN_5V and the control terminal of the first switch K1 In between, the fourth capacitor C4 is connected between the 5V pin HDMI_TX_5V of the HDMI port HDMITx of the FRC chip and the ground terminal.
  • the built-in EDID in the TV is version 2.0, but the external device only supports the EDID version 1.4.
  • the controller may control the display to display an EDID user interface having function buttons corresponding to a plurality of different EDID version types one-to-one in response to a selection control instruction input by the user from the user interface.
  • the first control module and the second control module may be set in the controller, so that the external device connected to the external device interface can transmit the corresponding data signal based on the EDID parameter information corresponding to the selection control signal, so that the External devices and display devices are compatible with each other.
  • the display can be controlled by the second control module to present an EDID user interface with function buttons corresponding to a plurality of different EDID version types, and can be responsive to selection control commands input from the user interface (eg, by Input selection control command by key, voice or touch), select the corresponding EDID version type, and present it on the EDID user interface, then the function button corresponding to the selection control command in the EDID user interface is currently selected, for example, in The function button in the currently selected state may be lit or darkened (eg, in shadow) to distinguish it from other function buttons that are not selected.
  • the EDID parameter information stored last time can be controlled to be updated to the EDID parameter information corresponding to the currently selected function button selected by the user this time, so that the external device connected to the external device interface can be based on the updated EDID parameter information.
  • the information transmits the corresponding data signal.
  • the first control module may receive the write command output by the second control module. After receiving the write command, in response to the write command, an operation of writing data is performed on a register capable of storing the write command, so as to write the above-mentioned write command in the register. After that, based on the content in the register after the operation of writing data, the EDID parameter information stored last time is controlled to be updated to the EDID parameter information corresponding to the function button in the currently selected state, and the updated EDID parameter information is burned in the first EDID parameter information. In the E 2 ROM of a control module, the update operation of the EDID parameter information in the second control module is completed.
  • the first control module is set as the FRC chip, and the second control module is set as the SOC as an example.
  • the user inputs a display control instruction, and after receiving the display control instruction, the second control module can control the display to present an EDID user interface.
  • the user inputs a selection control instruction, and after receiving the selection control instruction, the second control module controls a function button in the EDID user interface to be in a selected state. After that, the second control module determines whether the EDID version type in the currently selected state is the same as the stored EDID version type in the last selected state.
  • the second control module outputs a write command to the first control module through the I 2 C 14, and after the first control module receives the write command, it writes data to the register storing the EDID parameter information, so as to write the write command into the register. into this register.
  • the first control module controls the last stored EDID parameter information to be updated to the EDID parameter information corresponding to the currently selected function button based on the written content in the register, and burns the updated EDID parameter information
  • the external device can perform data interaction with the second control module through the first control module.
  • the EDID parameter information is stored in the first control module, so that the external device can directly obtain the EDID parameter information stored in the first control module, so that the external device can know the version type of the EDID corresponding to the display, and then can make The external device can output the data signal corresponding to the EDID version type to satisfy the compatibility of the external device and the display device.
  • the first control module is set as an FRC chip
  • the second control module is set as an SOC as an example. Since the traditional solution is to build the EDID parameter information in the SOC, when switching the EDID version type through the UI interface, the SOC can directly control the stored EDID parameter information to update, and directly realize the switching of the EDID version type. However, in the embodiment of the present application, the EDID parameter information is stored in the register of the FRC chip. Since the UI interface is displayed by the SOC control display, the FRC chip cannot be controlled to perform parameter setting on the EDID parameter information directly through the UI interface. Based on this, referring to FIG. 4 and FIG.
  • an I 2 C 14 connection can be used between the port I 2 CRx of the FRC chip and the port I 2 CTx of the SOC, and the FRC chip can be controlled to realize EDID version type switching through the agreed command. , and save the switched EDID version type in the SOC database, so as to realize the EDID switching.
  • the first control module is set as the FRC chip
  • the second control module is set as the SOC as an example.
  • the user inputs a display control instruction, and after receiving the display control instruction, the SOC can control the display to present an EDID user interface.
  • the user inputs a selection control instruction, and after the SOC receives the selection control instruction, it controls a function button in the EDID user interface to be in a selected state.
  • the SOC judges whether the EDID version type in the currently selected state is the same as the stored EDID version type in the last selected state. At different times, the SOC outputs a write command to the FRC chip through I 2 C14.
  • the FRC chip After the FRC chip receives the write command, it writes data to the register storing the EDID parameter information to write the write command into the register. After that, the FRC chip controls the last stored EDID parameter information to be updated to the EDID parameter information corresponding to the currently selected function button based on the content written in the register, and burns the updated EDID parameter information in the first In the E2ROM of a control module, to complete the update operation of the EDID parameter information stored in the FRC chip.
  • a user inputs a display control instruction for opening a UI interface with multiple different EDID versions from a user interface (such as a physical button on a display or a shortcut menu), and after receiving the display control instruction, the SOC reads the EDID version stored in the database Type, the EDID version type read from the database, controls the display to display the EDID UI interface with multiple different EDID version types, as shown in Figure 8a, the EDID UI interface can have different EDID version types.
  • FIG. 8a shows the function buttons corresponding to the EDID version type with a resolution of 3840*2160 and the function buttons corresponding to the EDID version type with a resolution of 1920*1080.
  • the user inputs a selection control instruction for selecting the EDID version type to be switched from a user interface (such as a physical button on the display, or through a touch function), and after receiving the selection control instruction, the SOC can control the UI interface of the EDID version , the function button corresponding to the selection control command is currently selected, as shown in Figure 8b, for example, the selection control command corresponds to the EDID version with a resolution of 3840*2160, and the resolution of 3840*2160 can be If the function button is lit or darkened (for example, in shadow), it can indicate that the function button with a resolution of 3840*2160 has been selected.
  • a user interface such as a physical button on the display, or through a touch function
  • the SOC transmits the EDID version type selected by the user from the application layer to the middleware layer, and the middleware layer determines the EDID version type currently selected by the user (that is, the EDID version type in the currently selected state) and the user stored in the database. Whether the last selected EDID version type (ie the last selected EDID version type) is the same. If the EDID version type currently selected by the user is different from the EDID version type selected by the user last time stored in the database, step S704 is executed.
  • step S707 is performed: the FRC chip is not controlled to perform EDID version switching, so that the EDID version remains unchanged.
  • the middleware layer may be implemented as Multimedia and Hypermedia Information Coding Experts Group (MHEG) for data broadcasting related middleware, DLNA middleware for external device communication related middleware, and also for providing Displays middleware, etc. of the browser environment in which each application program in the device runs.
  • the kernel layer can provide core system services, such as file management, memory management, process management, network management, system security rights management and other services.
  • the kernel layer may be implemented as a kernel based on various operating systems, for example, a kernel based on a Linux operating system.
  • the SOC sends a write command based on the EDID version type currently selected by the user (that is, the EDID version type corresponding to the function button in the currently selected state) to the FRC chip through the I 2 C 14, and the FRC chip receives the write command and informs the FRC chip
  • the user needs to switch the EDID version, and the SOC is about to write the EDID version currently selected by the user to the FRC chip.
  • the write command may include: a register address for storing data and EDID parameter information to be switched by the user (ie, the EDID parameter information of the EDID version type corresponding to the function button in the currently selected state).
  • the register address (Register address) in the write command can be sent by the SOC to the FRC chip, which corresponds to the register address (Register address) in the FRC chip. Inform the FRC chip that the SOC is about to write the EDID version switched by the user to the register corresponding to this address.
  • the total register address is 32bits (d0-d31).
  • the EDID parameter information (Write data) in the write command represents the specific parameters written by the SOC to the Register address, and for subsequent convenience, the HDMI-related commands of the SOC and the FRC chip are extended.
  • the EDID parameter information (Write data) may include: an 8-bit master command (MainCmd), an 8-bit slave command (SubCmd), and an 8-bit EDID parameter (Value).
  • the main command (MainCmd) is Main HDMI, which represents the command related to I 2 C14.
  • the slave command (SubCmd) is Sub Set Edid Mode, which means to execute the command to switch the EDID version.
  • the EDID Mode in the EDID parameter (Value) represents the EDID version type to be switched by the user.
  • the EDID version type transmission between the SOC and the FRC chip is realized according to this agreed format.
  • the FRC chip Before performing the operation of writing data, the FRC chip can also be made to judge whether the register corresponding to the register address of the write command is free.
  • the register corresponding to the register address of the write command in the FRC chip can also store other information, so that the SOC can call the information to perform a corresponding operation, thereby causing the register to be in a working state. If the write command is directly executed to the register that is in the working state, it may cause program confusion. Therefore, when it is determined that the register of the FRC chip corresponding to the register address of the write command is free, the write data operation can be performed based on the write command.
  • the FRC chip reads the content of the write command written to the register, and according to the Main HDMI in the main command (MainCmd), the Sub Set Edid Mode in the slave command (SubCmd) and the EDID parameter (Value) to be passed in, the The corresponding EDID parameter information is programmed into the E 2 ROM (Electrically Erasable Programmable Read-Only Memory) in the FRC chip to realize the switching of the built-in EDID version type of the FRC chip.
  • E 2 ROM Electrical Erasable Programmable Read-Only Memory
  • the controller will send the video timing information of the identified data signal to the display under the HDMI channel, and the display will display the video timing information of the data signal input from the external device to the controller.
  • the video timing information generally includes the resolution and refresh rate of the data signal.
  • the video timing information may be: 7680*4320@60HZ, 3840*2160@60HZ, 1920*1080@60HZ, and so on.
  • the external device can input a data signal to the controller through the external device interface, and the controller can control the display to display a user UI interface such as shown in FIG. 9a according to the data signal input by the external device.
  • the video timing information carried in the data signal when controlling the display to display the user UI interface such as shown in FIG. 9a, display the video timing information UI interface identifying the video timing information of the input data signal.
  • a first control module and a second control module may be provided in the controller, so that the display can implement a UI interface for displaying video timing information.
  • the first control module receives a data signal input from an external device from an external device interface, so as to determine the video timing information carried in the data signal, and store the video timing information.
  • the second control module can acquire the video timing information of the received data signal stored in the first control module.
  • the second control module can control the display to display the video timing information user interface based on the video timing information obtained from the first control module and the video timing information corresponding to the set data format.
  • the acquired video timing information is the video timing information corresponding to the set data format, that is, when it is consistent, it can continue to judge that the video timing information acquired from the first control module this time is the same as the one stored when the external device was inserted last time. Check whether the video timing information is consistent to determine whether the video timing information needs to be updated. If it is determined that the video timing information obtained from the first control module this time is consistent with the video timing information stored when the external device was inserted last time, the display can be controlled to display without updating the video timing information, that is, the display can be directly The display is controlled to display a video timing information user interface based on the video timing information stored when the external device was last plugged in.
  • the video timing information obtained from the first control module this time is inconsistent with the video timing information stored when the external device was inserted last time, the video timing information needs to be updated, and then the display is controlled to be displayed. That is to say, the stored video timing information is updated to the video timing information obtained from the first control module this time, and based on the video timing information obtained from the first control module this time, the display is controlled to display the video timing information user interface .
  • the second control module can obtain the current received from the first control module based on the data signal sent by the first control module.
  • the video timing information of the incoming data signal it can be judged whether the video timing information of the data signal received from the first control module is consistent with the video timing information stored by itself when the external device was inserted last time, so as to determine whether the video timing information needs to be updated.
  • the display can be controlled to display without updating the video timing information, that is to say , you can directly control the display to display the video timing information user interface based on the video timing information stored when the external device was inserted last time. If it is determined that the video timing information of the data signal received from the first control module this time is inconsistent with the video timing information stored by itself when the external device was inserted last time, the video timing information needs to be updated, and then the display is controlled to be displayed. That is to say, the stored video timing information can be updated to the video timing information of the data signal received from the first control module this time, and based on the video timing information of the data signal received from the first control module this time, control The display displays the video timing information user interface.
  • a register for storing video timing information may be set in the first control module, and a video timing type for storing the video timing information (video timing Info) in the register is defined.
  • video timing Info video timing information
  • Table 3 six types of 8K video timing information are defined. These six types of video timing information are data signals sent by external devices connected to common TVs (the EDID of TVs only declares these six types). video timing format).
  • VIC represents the sequence number of the corresponding video timing information specified in the CEA. If the FRC chip obtains that the video timing information of the data signal input by the external device is a signal below 8K, the video timing type is set to 0 in the register, and the type of the video timing information can also be stored.
  • the FRC chip obtains the video timing information of the data signal input by the external device as 7680*4320@24HZ, the video timing type is set to 1 in the register, and the type of the video timing information can also be stored. If the video timing information of the data signal input by the external device obtained by the FRC chip is 7680*4320@25HZ, the video timing type is set to 2 in the register, and the type of the video timing information can also be stored. If the video timing information of the data signal input by the external device obtained by the FRC chip is 7680*4320@30HZ, the video timing type is set to 3 in the register, and the type of the video timing information can also be stored.
  • the FRC chip obtains the video timing information of the data signal input by the external device as 7680*4320@48HZ, the video timing type is set to 4 in the register, and the type of the video timing information can also be stored. If the FRC chip obtains that the video timing information of the data signal input by the external device is 7680*4320@50HZ, the video timing type is set to 5 in the register, and the type of the video timing information can also be stored. If the FRC chip obtains the video timing information of the data signal input by the external device as 7680*4320@60HZ, the video timing type is set to 6 in the register, and the type of the video timing information can also be stored.
  • the HDMI port HDMIRx: HDMI-2-1, HDMI-2-2, HDMI-2-3 is defined as the port directly connected to the first control module. Based on this, in some embodiments, since the external device is electrically connected to the HDMI port, when the external device is connected, the controller can combine the HDMI port to which the external device is connected, according to the pre-stored definition information of the HDMI port, The access mode of the external device can be determined.
  • the controller when the controller determines that the access mode of the external device is the first access mode (for example, the external device is directly connected to the first control module), it may be based on the stored data input from the external device received from the external device interface.
  • the video timing information of the data signal and the video timing information corresponding to the set data format control the display to display the video timing information user interface.
  • the first control module may receive a data signal input by the external device from the external device interface, and store video timing information corresponding to the data signal.
  • the second control module can interact with the first control module to acquire the video timing information stored in the first control module, and control the display to display the video timing based on the acquired video timing information and the video timing information corresponding to the set data format Information user interface.
  • the controller when the controller determines that the access mode of the external device is the second access mode (eg, the external device is directly connected to the second control module), it may be based on a data signal input from the external device received from the external device interface video timing information, control the display to display the video timing information user interface.
  • the second control module when it is determined that the access mode of the external device is the second access mode, the second control module can directly receive the data signal input by the external device from the external device interface, and can determine that the data signal received from the external device interface is in the data signal received from the external device interface.
  • the video timing information carried by the display device can be controlled to display the video timing information user interface based on the video timing information of the data signal input from the external device received from the external device interface.
  • the second control module may directly determine the data signal input from the external device received from the external device interface according to the data signal input by the external device video timing information. Afterwards, it can be determined whether the video timing information of the data signal received this time is consistent with the stored video timing information of the data signal received when the external device was inserted last time, so as to determine whether to update the stored video timing information. When they are consistent, it is possible to control the display to display the video timing information user interface directly based on the video timing information stored when the external device was inserted last time without updating the stored video timing information.
  • Video timing information processing method 1
  • the first control module is set as an FRC chip
  • the second control module is set as an SOC as an example.
  • the SOC can determine whether the HDMI port receiving the data signal is the port connected to the FRC chip (that is, the first access mode) through the pre-stored definition information of the HDMI port. ).
  • the data signal input to the SOC may be processed by downsampling, so that the video timing information obtained by the SOC may be inaccurate, so the external
  • the video timing information of the data signal output by the device is first stored in the register of the FRC chip, and then the SOC compares the video timing information of the data signal of the set data format with the video timing information stored in the FRC chip. Timing information is updated. If different, the video timing information needs to be updated.
  • the first control module Take the first control module as an FRC chip and the second control module as an SOC as an example.
  • the HDMI port receiving the data signal is the port directly connected to the FRC chip (for example, HDMI-2-1)
  • the following steps S1001 to S1008 are used to control the display to display the video timing information user interface.
  • the SOC sends a video timing acquisition instruction to the FRC chip through the I 2 C 14 and adopts the DDC method.
  • the video timing acquisition instruction may be a register address for storing video timing information.
  • the FRC chip prepares the video timing information corresponding to the data signal input by the external device (ie the data signal output by the external device) stored in the register, so that the SOC reads the video timing information stored in the FRC register.
  • the video timing information corresponding to the data signal input by the external device may be 7680*4320@60HZ, that is, the data signal input by the external device is an 8K data signal.
  • the SOC determines whether the video timing information obtained from the FRC chip is the video timing information corresponding to the 8K data signal.
  • the SOC judges whether the video timing information acquired by itself from the FRC chip this time is consistent with the video timing information stored when the external device was inserted last time.
  • the video timing information obtained from the FRC chip this time is 7680*4320@60HZ
  • the video timing information stored when the external device was inserted last time is also 7680*4320@60HZ, it means that the two data
  • the video timing information of the signal is consistent.
  • the SOC does not update the stored video timing information (that is, the video timing information that is still stored when the external device was inserted last time), but directly controls the display to display on the UI interface shown in Figure 9a according to the last stored video timing information.
  • the video timing information user interface TM1 is displayed in the upper left corner of the UI interface shown in Fig. 9a, as shown in Fig. 9b.
  • the video timing information obtained by the SOC from the FRC chip this time is 7680*4320@60HZ, and the video timing information stored when the external device was inserted last time is 7680*4320@50HZ, it means that the two data
  • the video timing information of the signal is inconsistent.
  • the video timing information updated and stored by the SOC is the video timing information obtained from the FRC chip this time, and according to the updated video timing information, the display is controlled to display on the UI interface shown in Figure 9a, for example, in the UI shown in Figure 9a The upper left corner of the interface displays the video timing information user interface TM1, as shown in Figure 9b.
  • the video timing information of the data signal received this time is 3840*2160@60HZ
  • the video timing information of the data signal received when the external device was inserted last time is also 3840*2160@60HZ
  • the SOC does not update the stored video timing information, but directly controls the display to display on the UI interface shown in Figure 9a according to the stored video timing information.
  • the video timing information is displayed in the upper left corner of the UI interface shown in Figure 9a.
  • the user Interface TM2 as shown in Figure 9c.
  • the video timing information of the data signal received this time is 3840*2160@60HZ
  • the video timing information of the data signal received when the external device was inserted last time is 1920*1080@60HZ
  • the video timing information updated and stored by the SOC is the video timing information of the data signal received this time, and according to the updated video timing information, the display is controlled to display on the UI interface shown in FIG. 9a, for example, in the UI shown in FIG. 9a
  • the upper left corner of the interface displays the video timing information user interface TM3, as shown in Figure 9d.
  • Video timing information processing method 2
  • the second control module is set to SOC as an example.
  • the SOC can determine whether the HDMI port receiving the data signal is a port directly connected to an external device (that is, the second access mode) through the pre-stored definition information of the HDMI port. ). If it is determined that the HDMI port receiving the data signal is the port directly connected to the external device (ie, the second access mode), that is, the external device and the SOC are directly electrically connected through HDMI (for example, HDMI-1-2), so that the SOC can be electrically connected. It can directly receive the data signal input by the external device. For example, with reference to FIG. 11 to FIG. 12b, through the following steps S1101-S1104, the display is controlled to display the video timing information user interface.
  • the SOC determines video timing information of the data signal according to the received data signal.
  • the data signal is directly input into the SOC by the external device through the HDMI port HDMI-1-2.
  • the video timing information corresponding to the data signal input by the external device is 7680*4320@60HZ.
  • the video timing information of the data signal received this time is 7680*4320@60HZ
  • the video timing information of the data signal received when the external device was inserted last time is also 7680*4320@60HZ
  • the SOC does not update the stored video timing information (that is, the stored video timing information of the data signal received when the external device was inserted last time), but directly controls the display to display on the UI interface shown in Figure 9a according to the stored video timing information.
  • the video timing information user interface TM4 is displayed in the upper left corner of the UI interface shown in FIG. 9a, as shown in FIG. 12a.
  • the display device may experience a problem of blurred screen, black screen or no signal.
  • the format of the data signal that does not match the display device may be defined as the set data format, that is, the set data format may be a data format that the display device does not support or does not match.
  • the data format can be set to 8K, and the display device can only support 4K at most. After inputting the 8K data signal into the display device, the format will not match, and the display device will have problems such as blurred screen, black screen or no signal.
  • the controller may also perform down-sampling processing on the data signal when the data signal input by the external device interface is the data signal of the set data format, so that the down-sampling processing is performed.
  • the data signal can be in a data format supported by the display device. Therefore, the display can be controlled to display based on the down-sampled data signal. For example, when the data signal input by the external device interface is an 8K data signal, the display can be controlled to display after down-sampling processing of the 8K data signal.
  • the setting data format may also be 4K/2K, which is not limited here.
  • a first control module and a second control module may be provided in the controller to implement down-sampling processing of the data signal, so that the external device and the display device can be compatible with each other.
  • the first control module can exchange data with the external device through the external device interface
  • the external device can input the data signal for displaying the image to the first control module through the external device interface
  • the data signal input in the external device interface is set
  • the data signal can be down-sampled to meet the requirements of the stored EDID parameter information, that is, the down-sampled data signal can be in a data format supported by the display device.
  • the second control module can exchange data with the first control module through the signal transmission line, and the first control module outputs the down-sampling processed data signal to the second control module.
  • the signal may be in a data format supported by the display device. Therefore, after the second control module receives the data signal output by the first control module, it can control the display to display according to the received data signal to realize image display.
  • the first control module may perform data interaction with an external device to receive a data signal input by the external device through an external device interface.
  • Resolution information corresponding to the data signal may be determined according to information carried in the data signal. In this way, it can be determined whether to down-sample the video pixel data in the data signal according to the relationship between the determined resolution information of the data signal and the resolution information corresponding to the data signal of the set data format. When it is determined that the resolution information corresponding to the data signal is the resolution information corresponding to the data signal of the set data format, it is indicated that the data signal input by the external device is not a data signal that the display device can support.
  • the data is subjected to down-sampling processing, so that the video pixel data after down-sampling processing can meet the data signals supported by the display device, that is, meet the requirements of the stored EDID parameter information.
  • the down-sampled data signal is sent to the second control module, so that the second control module can control the display to display based on the data signal.
  • the data signal input by the external device interface is not the data signal of the set data format, it means that the data signal input by the external device is a data signal that the display device can support, so that the down-sampling process can be performed without the first control module
  • the received data signal can be directly output to the second control module, so that the second control module controls the display to display directly based on the data signal.
  • the first control module can also detect the state of the set pin in the external device interface in real time. For example, when it is detected that the setting pin is in a valid state based on the access state command input by the external device connected to the external device interface (for example, the setting pin is pulled high), the hot-plug pin of the external device interface is controlled. In an active state (for example, the hot-plug pin is pulled high), so that the external device can obtain the EDID parameter information stored in the E 2 ROM in the first control module, so that the external device can know the EDID version supported by the display device. type, so as to transmit the corresponding data signal based on the acquired EDID parameter information corresponding to the EDID version type.
  • the set pin may be, for example, a 5V pin in an HDMI port.
  • a 5V voltage is input to the 5V pin, it can be shown that the setting pin is in a valid state.
  • a 5V voltage is input to the hot-swap pin, it can be shown that the hot-swap pin is in a valid state.
  • the voltage value of the set pin input and the voltage value of the hot-plug pin input can also be set to other values (eg, 4V, 6V, 8V, etc.), which are not limited here.
  • the FRC chip can communicate with an external device connected to an external device interface, so as to receive input from the external device to the display device via the external device interface data signal in .
  • the FRC chip communicates with the TV box connected to the external device interface, and the TV box outputs 8K/4K/2K data signals, which are input to the FRC chip through the external device interface.
  • the FRC chip can also communicate with the SOC, so that when the maximum resolution of the data signal that can be decoded by the SOC is smaller than the resolution of the data signal received by the FRC chip, the received data signal can be down-sampled to make
  • the down-sampled data signal can meet the requirement of the maximum resolution of the data signal that can be decoded by the SOC, and the down-sampled data signal is input to the SOC, so that the SOC can control the display to display according to the input data signal.
  • the FRC chip when the FRC chip receives an 8K data signal, the maximum resolution of the video signal that the SOC can decode is 4K data signal, and the data signal that the display can display is also a 4K data signal, the FRC chip can The received 8K data signal is down-sampled to convert the 8K data signal into a 4K data signal, and then input into the SOC to meet the requirements of the data signal that the SOC can process, so that the SOC can control the display to display the corresponding data signal. image. In this way, a display device that supports decoding 4K data signals can finally decode and display 8K data signals.
  • the HDMI 12 of the external device 11 is connected to the HDMI port HDMIRx of the FRC chip 276, the 5V pin HDMI_TX5V of the HDMI port HDMITx of the external device 11 inputs a 5V voltage to the 5V pin HRX_5V of the HDMI port HDMIRx of the FRC chip 276, and the The 5V pin HRX_5V of the HDMI port HDMIRx of the FRC chip 276 is pulled high.
  • FRC chip 276 detects that the 5V pin HRX_5V is pulled high, and the HDMI port HDMIRx uses the TMDS/FRL mode to transmit data signals (see Figure 5a, HRX_CN, HRX_CP, HRX_0N, HRX_0P, HRX_1N, HRX_1P, HRX_2N, HRX_2P ) pulled high. And also pull high the hot-plug pin HDMI_RX_HPD of HDMI port HDMIRx.
  • the hot-plug pin HDMI_RX_HPD of the HDMI port HDMIRx of the FRC chip 276 is pulled high, the hot-plug pin HDMI_TX_HPD of the HDMI port HDMITx of the external device 11 will also be pulled high, then the external device 11 detects the hot-plug pin.
  • the EDID information programmed into the E 2 ROM in the FRC chip 276 is read actively through the DDC pin of the HDMI port HDMITx of the external device 11 (see Figure 5a, HDM1_TX_SDA, HDM1_TX_SCL).
  • the EDID information in the E 2 ROM programmed into the FRC chip may be the EDID information corresponding to the 4K data signal, such as the EDID information corresponding to 3840*2160@60Hz.
  • the external device 11 inputs the data signal corresponding to the read EDID information into the FRC chip 276 through the HDMI 12 using the TMDS (Transmission Minimized Differential Signal) mode according to the read EDID information.
  • the data signal transmitted through TMDS mainly includes: video data period signal (video data period), data island (data island) and control information (preamble).
  • the video data periodic signal mainly includes video pixel data
  • the data island mainly includes audio data packets and auxiliary information
  • the control information includes the video flag bit used to identify the video data cycle signal and the audio flag bit used to identify the data island. The bit controls whether the next signal sent is a video data cycle signal or a data island.
  • the FRC chip 276 can respectively determine the data island and the video data period signal in the input data signal according to the video flag bit and the audio flag bit. Among them, the FRC chip does not process the data island. In addition, the FRC chip 276 can acquire the resolution information and the video timing information corresponding to the video data period signal according to the determined video data period signal, and store the acquired video timing information in the corresponding register.
  • the FRC chip 276 determines, according to the resolution information, whether the resolution information corresponding to the input data signal is the resolution information corresponding to the 8K data signal.
  • the down-sampling process may be to reduce the video pixel data in the data signal received by the FRC chip from 7680*4320 to 3840*2160 to meet the requirements of the 4K data signal.
  • the down-sampling process can also be to combine the video pixel data in the data signal received by the FRC chip from 7680*4320 to 3840*2160 to meet the requirements of 4K data signals.
  • the down-sampling process may also be implemented in other manners, which are not limited here.
  • the FRC chip determines that the resolution of the data signal input by the external device is 3840*2160, it means that the data signal input by the external device to the FRC chip is a 4K data signal, not an 8K data signal. Then there is no need to process the data signal.
  • the determined video data cycle signal and data island are packaged, and sent to the SOC through the pins (see Figure 5a: HTX_CN, HTX_CP, HTX_0N, HTX_0P, HTX_1N, HTX_1P, HTX_2N, HTX_2P) using TMDS, so that the SOC 278 may control the display to display an image and play a sound based on the data signal after corresponding processing of the received data signal, or control the display to display a user UI interface such as shown in FIG. 8a.
  • the S1308 and the FRC chip 276 pull up the 5V pin HDMI_RX_5V of the HDMI port HDMIRx of the SOC through the GPIO pin GPIO_1 and the voltage control module.
  • S1309 and SOC 278 detect that the 5V pin HDMI_RX_5V of the HDMI port HDMIRx is pulled high, and can control the display to display the UI interface shown in Figure 6a.
  • S13010 and FRC chip 276 package the data island and the down-sampled video data period signal to form an updated data signal, which is passed through HDMI13, using TMDS mode, through pins (see Figure 5a: HTX_CN, HTX_CP, HTX_0N, HTX_0P, HTX_1N, HTX_1P, HTX_2N, HTX_2P) are sent to SOC 278.
  • the external device After the external device has been connected to the display device, the external device inputs the data signal, and the display device displays the screen.
  • the FRC chip can communicate with an external device connected to an external device interface, so as to receive the external device via
  • the external device interface is a data signal input to the display device.
  • the received data signal is an 8K data signal
  • the data signal is subjected to down-sampling processing.
  • the down-sampled data signal is sent to the SOC, so that the SOC can control the display panel to display video images according to the down-sampled data signal.
  • the external device 11 inputs the data signal corresponding to the read EDID information into the FRC chip 276 through the HDMI 12 using the TMDS mode according to the read EDID information.
  • the FRC chip 276 can respectively determine the data island and the video data period signal in the input data signal according to the video flag bit and the audio flag bit. Among them, the FRC chip does not process the data island. And the FRC chip 276 can acquire the resolution information corresponding to the video data period signal according to the determined video data period signal, and store the acquired resolution information in the corresponding register.
  • the FRC chip 276 determines, according to the resolution information, whether the resolution information corresponding to the input data signal is the resolution information corresponding to the 8K data signal.
  • the resolution of the 8K data signal is 7680*4320 and the resolution of the 4K data signal is 3840*2160
  • the video pixel data in the video data period signal can be down-sampled, so that the down-sampled video pixel data can meet the requirements of the EDID information corresponding to the 4K data signal, so that the display can normally display the input from the external device. data signal.
  • the 8K data signal can be processed into a 4K data signal by down-sampling.
  • the FRC chip determines that the resolution of the data signal input by the external device is 3840*2160, it means that the data signal input by the external device to the FRC chip is a 4K data signal, not an 8K data signal. Then there is no need to process the data signal. After that, the determined video data cycle signal and data island are packaged, and sent to SOC 278 by TMDS, so that SOC 278 can process the received data signal accordingly, and control the display to display images and play sounds based on the data signals. .
  • the FRC chip 276 packs the data island and the down-sampled video data period signal to form an updated data signal, and transmits the updated data signal to the SOC 278 through the HDMI13 by TMDS.
  • S1407 and SOC 278 can control the display to display images and play sounds based on the data signals after corresponding processing of the received data signals.
  • the driving methods in some embodiments of the present application may include: after receiving a data signal input from an external device from an external device interface, controlling a display to display a video timing information user interface. Specifically, after receiving the data signal input by the external device from the external device interface, controlling the display to display the video timing information user interface, including: receiving the data signal input by the external device from the external device interface, and storing the video timing information corresponding to the data signal; Obtaining The video timing information stored in the first control module; based on the acquired video timing information and the video timing information corresponding to the set data format, the display is controlled to display the video timing information user interface.
  • controlling a display to display a video timing information user interface including: receiving the data signal input by the external device from the external device interface, and storing the video timing information corresponding to the data signal; Obtaining The video timing information stored in the first control module; based on the acquired video timing information and the video timing information corresponding to the set data format, the display is controlled to display the video timing information user interface.
  • the driving methods in some embodiments of this application may include: when an external device is connected, determining an access mode of the external device according to pre-stored port definition information.
  • the display is controlled to display video based on the stored video timing information of the data signal input from the external device received from the external device interface and the video timing information corresponding to the set data format Timing information user interface.
  • the display is controlled to display the video timing information user interface based on the video timing information of the data signal input from the external device received from the external device interface.
  • the driving methods in some embodiments of the present application may include: in response to a selection control instruction input from a user interface, controlling the display to display an EDID user interface, so as to update the EDID parameter information, so that the interface of the external device is connected to the interface.
  • the external device can transmit the corresponding data signal based on the updated EDID parameter information.
  • the driving methods in some embodiments of the present application may include: when the data signal input by the external device interface is the data signal of the set data format, after performing down-sampling processing on the data signal, controlling the display to display . It should be noted that, for the implementation process of the driving method, reference may be made to the working process of the above-mentioned embodiment of the display device, and details are not described here.
  • the driving methods in some embodiments of the present application may include: when the external device is connected to the display device and is electrically connected to the first control module, leading the second control module through a response from the first control module input device access command. And, when the external device pulls out the display device and is disconnected from the first control module, the device pulling out instruction is input to the response pin of the second control module through the first control module.
  • the driving methods in some embodiments of the present application may include: in response to a device access instruction inputting a response pin, controlling a display device to access a UI interface. And, in response to inputting the device unplugging instruction of the response pin, the display is controlled to display the device unplugging the UI interface. It should be noted that, for the implementation process of the driving method, reference may be made to the working process of the above-mentioned embodiment of the display device, and details are not described here.

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  • Controls And Circuits For Display Device (AREA)

Abstract

本申请公开了一种显示设备及驱动方法,其中,显示设备包括显示用户界面的显示器,与外部设备进行数据传输的外部装置接口,以及控制器。控制器可以从外部装置接口接收外部设备输入的数据信号,并在从外部装置接口接收外部设备输入的数据信号后,控制显示器显示视频时序信息用户界面,以使显示器可以实现显示视频时序信息用户界面的功能。

Description

显示设备及驱动方法
本申请要求于2021年1月11日提交的、申请号为202110029260.1、申请名称为“一种显示设备及驱动方法”;于2021年1月11日提交的、申请号为202110028388.6、申请名称为“一种显示设备及驱动方法”;于2021年1月11日提交的、申请号为202110028602.8、申请名称为“一种显示设备及驱动方法”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术,特别涉及一种显示设备及驱动方法。
背景技术
随着科技的不断发展,显示技术更新极快,先后从2K发展到4K,再从4K发展到8K。以4K和8K为例,虽然目前出现了8K数据信号,但是市场上较成熟的电视一般为4K电视。由于4K电视中的显示器一般支持显示4K数据信号,控制器一般最高支持到4K数据信号的解码。这样导致4K电视受限于控制器以及显示器的规格,在接入8K数据信号时则会出现花屏、黑屏或者无信号的问题,导致用户将无法观看到完整的视频画面,严重影响用户体验。
发明内容
本申请中一些实施例提供一种显示设备,包括:
显示器,被配置为显示用户界面;外部装置接口,被配置为与外部设备进行数据传输;控制器,被配置为从所述外部装置接口接收所述外部设备输入的数据信号后,控制所述显示器显示视频时序信息用户界面。
本申请中一些实施例提供一种驱动方法,包括:在所述外部设备接入时,根据预先存储的端口定义信息,确定所述外部设备的接入模式。当确定所述外部设备的接入模式为第一接入模式时,基于存储的从所述外部装置接口接收的所述外部设备输入的数据信号的视频时序信息和设定数据格式对应的视频时序信息,控制所述显示器显示视频时序信息用户界面。当确定所述外部设备的接入模式为第二接入模式时,基于从所述外部装置接口接收的所述外部设备输入的数据信号的视频时序信息,控制所述显示器显示视频时序信息用户界面。
本申请一些实施例提供显示设备,包括:第一控制模块以及电压控制模块;其中,所述电压控制模块分别与所述第一控制模块的第一引脚和第二引脚电连接;所述第一控制模块被配置为在外部设备接入所述显示设备,且与所述第一控制模块电连接时,控制所述第二引脚输出第一电平信号,在所述外部设备拔出所述显示设备,且与所述第一控制模块断开时,控制所述第二引脚输出第二电平信号。所述电压控制模块被配置为响应于所述第一电平信号,将电压输入端与所述第一控制模块的第一引脚导通,以向第二控制模块的响应引脚输入设备接入指令,以及,响应于所述第二电平信号,将所述电压输入端与所述第一控制模块的第一引脚断开,以向所述第二控制模块的响应引脚输入设备拔出指令。
本申请一些实施例提供一种驱动方法,可以包括:在外部设备接入显示设备,且与第 一控制模块电连接时,通过第一控制模块向第二控制模块的响应引脚输入设备接入指令。以及,在外部设备拔出显示设备,且与第一控制模块断开时,通过第一控制模块向第二控制模块的响应引脚输入设备拔出指令。
本申请一些实施例提供一种显示设备,包括:显示器,被配置为显示用户界面;外部装置接口,被配置为与外部设备进行数据传输;控制器,被配置为:响应于从用户接口输入的选择控制指令,控制所述显示器显示EDID用户界面,更新EDID参数信息,使接入所述外部装置接口的外部设备能够基于所述EDID参数信息传输相应的数据信号。
本申请一些实施例提供一种驱动方法,包括:在外部装置接口输入的数据信号为设定数据格式的数据信号时,对数据信号进行降采样处理后,控制显示器进行显示。
附图说明
为了更清楚地说明本申请实施例或相关技术中的实施方式,下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施例,对于本领域普通技术人员来讲,还可以根据这些附图获得其他的附图。
图1示出了根据一些实施例的显示设备与控制装置之间的操作场景;
图2示出了根据一些实施例的控制设备的硬件配置框图;
图3示出了根据一些实施例的显示设备的硬件配置框图;
图4示出了根据一些实施例的外部设备与显示设备中的FRC芯片和SOC的连接关系图;
图5a示出了根据一些实施例的外部设备与显示设备中的FRC芯片和SOC的相关引脚的连接关系图;
图5b示出了根据又一些实施例的外部设备与显示设备中的FRC芯片和SOC的相关引脚的连接关系图;
图6a示出了根据一些实施例的显示器显示的UI界面的示意图;
图6b示出了根据又一些实施例的显示器显示的UI界面的示意图;
图7a示出了根据一些实施例的交互图;
图7b示出了根据一些实施例的流程图;
图8a示出了根据又一些实施例的显示器显示的UI界面的示意图;
图8b示出了根据又一些实施例的显示器显示的UI界面的示意图;
图9a示出了根据又一些实施例的显示器显示的UI界面的示意图;
图9b示出了根据又一些实施例的显示器显示的UI界面的示意图;
图9c示出了根据又一些实施例的显示器显示的UI界面的示意图;
图9d示出了根据又一些实施例的显示器显示的UI界面的示意图;
图10a示出了根据又一些实施例的交互图;
图10b示出了根据又一些实施例的流程图;
图11示出了根据又一些实施例的流程图;
图12a示出了根据又一些实施例的显示器显示的UI界面的示意图;
图12b示出了根据又一些实施例的显示器显示的UI界面的示意图;
图13示出了根据又一些实施例的交互图;
图14示出了根据又一些实施例的交互图。
具体实施方式
为使本申请的目的和实施方式更加清楚,下面将结合本申请示例性实施例中的附图,对本申请示例性实施方式进行清楚、完整地描述,显然,描述的示例性实施例仅是本申请一部分实施例,而不是全部的实施例。
需要说明的是,本申请中对于术语的简要说明,仅是为了方便理解接下来描述的实施方式,而不是意图限定本申请的实施方式。除非另有说明,这些术语应当按照其普通和通常的含义理解。
本申请中说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”等是用于区别类似或同类的对象或实体,而不必然意味着限定特定的顺序或先后次序,除非另外注明。应该理解这样使用的用语在适当情况下可以互换。
术语“包括”和“具有”以及他们的任何变形,意图在于覆盖但不排他的包含,例如,包含了一系列组件的产品或设备不必限于清楚地列出的所有组件,而是可包括没有清楚地列出的或对于这些产品或设备固有的其它组件。
术语“模块”是指任何已知或后来开发的硬件、软件、固件、人工智能、模糊逻辑或硬件或/和软件代码的组合,能够执行与该元件相关的功能。
图1为根据实施例中显示设备与控制装置之间操作场景的示意图。如图1所示,用户可通过智能设备300或控制装置100操作显示设备200。在一些实施例中,控制装置100可以被配置为控制显示设备200,其可接收用户输入的操作指令,且将操作指令转换为显示设备200可识别和响应的指令,起着用户与显示设备200之间交互的中介作用。在一些实施例中,也可以使用智能设备300(如移动终端、平板电脑、计算机、笔记本电脑等)以控制显示设备200。在一些实施例中,使用在智能设备300上运行的应用程序控制显示设备200。
在一些实施例中,显示设备200还可以采用除了控制装置100和智能设备300之外的方式进行控制,例如,可以通过显示设备200设备内部配置的获取语音指令的模块直接接收用户的语音指令控制,也可以通过显示设备200设备外部设备的语音控制设备来接收用户的语音指令控制。在一些实施例中,显示设备200还可以与服务器400进行数据通信。这里可允许显示设备200通过局域网(LAN)、无线局域网(WLAN)和其他网络进行通信连接。服务器400可以向显示设备200提供各种内容和互动。
图2示例性示出了控制装置100的配置框图。如图2所示,控制装置100可以包括控制器110、存储器120、通信器130、用户输入接口140、用户输出接口150、供电电源160。
控制器110包括随机存取存储器(RAM)111、只读存储器(ROM)112、处理器113、通信接口以及通信总线。控制器110用于控制控制装置100的运行和操作,以及内部各部件之间的通信协作、外部和内部的数据处理功能。存储器120用于在控制器110的控制下存储驱动和控制控制装置100的各种运行程序、数据和应用。通信器130在控制器110的控制下,实现与显示设备200之间控制信号和数据信号的通信。通信器130可以包括红外信号模块131,WIFI模块132、蓝牙通信协议模块133、有线以太网通信协议模块134、NFC模块中的至少一种。用户输入接口140可包括麦克风141、触摸板142、传感器143、按键144等中至少一者,从而使用户可以通过语音、触摸、手势、按压等将关于控制显示设备200的用户操作指令输入到控制装置100。用户输出接口150通过将用户输入接口140接收的用户操作指令输出至显示设备200,或者,输出由显示设备200接收的图像或语音 信号。这里,用户输出接口150可以包括LED接口151、产生振动的振动接口152、输出声音的声音输出接口153和输出图像的显示器154等。供电电源160,用于在控制器110的控制下为控制装置100各元件提供运行电力支持。形式可以为电池及相关控制电路。
图3示出了根据示例性实施例中显示设备200的硬件配置框图。如图3所示,显示设备200可以包括调谐解调器210、通信器220、检测器230、外部装置接口240、控制器250、存储器260、用户接口265、显示器275、音频输出接口280、供电电源290中的至少一种。
在一些实施例中,调谐解调器210可以通过有线或无线方式接收广播电视信号,可以进行放大、混频和谐振等调制解调处理,用于从多个无线或有线广播电视信号中解调出用户所选择的电视频道的频率中所携带的音视频信号,以及附加信息(例如EPG数据)。在一些实施例中,通信器220是用于根据各种通信协议类型与外部设备或外部服务器进行通信的组件。在一些实施例中,通信器220可以包括WIFI模块221、蓝牙通信协议模块222、有线以太网通信协议模块223等网络通信协议模块或近场通信协议模块,以及红外接收器中的至少一种。在一些实施例中,检测器230是显示设备200用于采集外部环境或与外部交互的信号的组件。在一些实施例中,检测器230可以包括声音采集器231,检测器230还可以包括图像采集器232,如相机、摄像头等,可以用于采集外部环境场景,以自适应变化显示设备200的显示参数;以及用于采集用户的属性或与用户交互手势,以实现显示设备与用户之间互动的功能。
在一些实施例中,外部装置接口240是提供控制器250控制显示设备200与外部设备间数据传输的组件。外部装置接口240可以包括但不限于如下:高清多媒体接口(High Definition Multimedia Interface,HDMI)241、复合视频消隐同步(Composite Video Broadcast Signal,CVBS)接口242、模拟或数字分量接口243、通用串行总线(USB)接口244、组件(Component)接口(图中未示出)、红绿蓝(RGB)接口(图中未示出)等任一个或多个。当然,也可以是上述多个接口形成的复合性的输入/输出接口。
在一些实施例中,控制器250可包括随机存取存储器(Random Access Memory,RAM)251、只读存储器(Read-Only Memory,ROM)252、图形处理器(Graphics Processing Unit,GPU)253、处理器254(例如,中央处理器(Central Processing Unit,CPU))、通信接口255、视频处理器256、音频处理器257以及通信总线等中的至少一种。其中,RAM251、ROM252、图形处理器253、处理器254、视频处理器256、音频处理器257以及通信接口255可以通过通信总线256相连接。
其中,通信接口255可包括第一接口到第n接口。这些接口可以是经由网络被连接到外部设备的网络接口。
在一些实施例中,用户可在显示器275上显示的用户界面(User Interface,UI)输入用户操作指令,则用户接口265通过UI接收用户输入命令。确切的说,用户接口265可接收用于控制选择器在UI中的位置以选择不同的对象或项目的用户操作指令。其中,“用户界面”,是应用程序或操作系统与用户之间进行交互和信息交换的介质接口,它实现信息的内部形式与用户可以接受形式之间的转换。
在一些实施例中,供电电源290,可以用于在控制器250的控制下,将外部电源输入的电力为显示设备200提供电源供电支持。供电电源290可以是安装在显示设备200内部的内置电源电路,也可以是安装在显示设备200外部的电源。
在实际应用中,若输入显示设备(例如电视)的数据信号的格式与显示设备支持的格 式不匹配时,会导致显示设备出现花屏、黑屏或无信号的问题。例如,在4K电视接入8K数据信号时,由于4K电视一般支持显示4K数据信号以及最高支持4K数据信号的解码,导致在接入8K数据信号时则会出现花屏、黑屏或者无信号的问题。
有鉴于此,本申请实施例提供的显示设备,通过设置第一控制模块、第二控制模块,可以在显示设备输入数据信号时,通过第一控制模块和第二控制模块之间的相互作用,能够实现正常显示功能。
下面结合实施例,对本申请进行详细说明。需要说明的是,本实施例中是为了更好的解释本申请,但不限制本申请。
<来电通功能>
参见图4,图4为本申请一些实施例提供的外部设备、第一控制模块011、以及第二控制模块012之间的结构示意图。其中,外部设备11可以通过信号传输线12与第一控制模块011进行数据交互,第一控制模块011可以通过信号传输线13、14与第二控制模块012进行数据交互。
在一些实施例中,信号传输线12和信号传输线13可以为HDMI线。信号传输线14可以为I 2C线。当然,信号传输线12~14也可以为其他能够实现信号传输的走线,在此不作限定。在一些实施例中,第一控制模块011和第二控制模块012可以独立设置于控制器中。例如,第一控制模块011可以采用芯片的形式实现,第二控制模块012也可以采用芯片的形式实现,这两个芯片相互独立设置于控制器中,并通过信号传输线进行信号传输。
在一些实施例中,第一控制模块011和第二控制模块012可以集成设置于控制器中。例如,第一控制模块011可以采用集成电路的形式实现,第二控制模块012也可以采用芯片的形式实现,将第一控制模块011集成在第二控制模块012中。或者,第二控制模块012可以采用集成电路的形式实现,第一控制模块011也可以采用芯片的形式实现,将第二控制模块012集成在第一控制模块011中。或者,将第一控制模块011和第二控制模块012集成在一个电路板上。
在一些实施例中,第一控制模块011的实现方式可以采用硬件实施例、或结合软件和硬件方面的实施例的形式。例如,第一控制模块011可以为SOC中单独划分出的模块。或者,第一控制模块011也可以设置为帧速率控制(FRC)芯片。或者,第一控制模块011也可以设置为其他芯片。只要第一控制模块011能满足本申请中的功能即可,具体在此不作限定。
在一些实施例中,第二控制模块012的实现方式也可以采用硬件实施例、或结合软件和硬件方面的实施例的形式。例如,第二控制模块012可以为SOC中单独划分出的模块。或者,第二控制模块012也可以设置为SOC。或者,第二控制模块012也可以设置为其他芯片。只要第二控制模块012能满足本申请中的功能即可,具体在此不作限定。
在一些实施例中,电压控制模块分别与第一控制模块的第一引脚和第二引脚电连接,第二控制模块的响应引脚与第一控制模块的第一引脚电连接。其中,第一控制模块被配置为在外部设备接入显示设备,且与第一控制模块电连接时,控制第二引脚输出第一电平信号,在外部设备拔出显示设备,且与第一控制模块断开时,控制第二引脚输出第二电平信号。以及,电压控制模块被配置为响应于第一电平信号,将电压输入端与第一控制模块的第一引脚导通,以向第二控制模块的响应引脚输入设备接入指令,以及,响应于第二电平信号,将电压输入端与第一控制模块的第一引脚断开,以向第二控制模块的响应引脚输入 设备拔出指令。以及,第二控制模块可以响应于输入响应引脚的设备接入指令,控制显示器显示设备接入UI界面;以及响应于输入响应引脚的设备拔出指令,控制显示器显示设备拔出UI界面。
在一些实施例中,参见图4与图5a,外部设备11可以通过HDMI 12接入第一控制模块011,以进行数据传输。在一些实施例中,第一控制模块的第一引脚可以为HDMI端口的引脚,以向该第一引脚输入正电压值的电压以使该第一引脚拉高。例如,可以向该第一引脚输入5V(当然,还可以是6V、8V等,在此不作限定)的电压以使其拉高,则可以使第一控制模块的第一引脚为HDMI端口的5V引脚HDMI_TX_5V。当然,第一控制模块的第一引脚也可以为HDMI端口的其他引脚,在此不作限定。
在一些实施例中,参见图4与图5a,第一控制模块011可以通过HDMI 13接入第二控制模块012,以进行数据传输。在一些实施例中,第二控制模块的响应引脚可以为HDMI端口的引脚,以向该响应引脚输入正电压值的电压以使该响应引脚拉高。例如,可以向该响应引脚输入5V(当然,还可以是6V、8V等,在此不作限定)的电压以使其拉高,则可以使第二控制模块的响应引脚为HDMI端口的5V引脚HDMI_RX_5V。当然,第二控制模块的响应引脚也可以为HDMI端口的其他引脚,在此不作限定。
在一些实施例中,第一控制模块可以具有多个通用型之输入输出(General-purpose input/output,GPIO)引脚,可以使第二引脚设置为GPIO引脚。这样可以使第一控制模块的一个GPIO引脚GPIO_1与HDMI端口HDMITx的5V引脚HDMI_TX_5V电连接电压控制模块,以通过电压控制模块将第一控制模块的HDMI端口HDMITx的5V引脚HDMI_TX_5V拉高或拉低,从而实现控制第二控制模块的HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉高或拉低。
在一些实施例中,可以将电压控制模块设置在第一控制模块中。或者,也可以将电压控制模块设置在第二控制模块中。或者,也可以将电压控制模块分别与第一控制模块和第二控制模块分别设置在不同模块中。在实际应用中,可以根据实际应用的需要进行设计确定,在此不作限定。
在一些实施例中,参见图4与图5a,电压控制模块可以包括:第一控制子模块、第二控制子模块以及分压子模块;其中,第一控制子模块的第一端与电压输入端电连接,第一控制子模块的第二端与第一控制模块的第一引脚电连接,第一控制子模块的控制端与第二控制子模块的第二端电连接;第一控制子模块被配置为响应于输入其控制端的信号,将电压输入端与第一控制模块的第一引脚导通,以及响应于输入其控制端的信号,将电压输入端与第一控制模块的第一引脚断开。在一些实施例中,第一控制子模块包括第一开关;其中,第一开关的控制端作为第一控制子模块的控制端,第一开关的第一端作为第一控制子模块的第一端,第一开关的第二端作为第一控制子模块的第二端。当然,在实际应用中,第一控制子模块的实现形式还可以为其他形式,在此不作限定。
在一些实施例中,参见图4与图5a,第二控制子模块的控制端与第一控制模块的第二引脚电连接,第二控制子模块的第一端与接地端电连接;第二控制子模块被配置为响应于输入其控制端的第一电平信号,将接地端与第一控制子模块的控制端导通,以及响应于输入其控制端的第二电平信号,将接地端与第一控制子模块的控制端断开。在一些实施例中,第二控制子模块包括第二开关;其中,第二开关的控制端作为第二控制子模块的控制端,第二开关的第一端作为第二控制子模块的第一端,第二开关的第二端作为第二控制子模块 的第二端。当然,在实际应用中,第二控制子模块的实现形式还可以为其他形式,在此不作限定。
在一些实施例中,参见图4与图5a,分压子模块连接于电压输入端和第二控制子模块的第二端之间,被配置为分压。在一些实施例中,分压子模块包括:第一电阻;其中,第一电阻的第一端与第二控制子模块的第二端电连接,第一电阻的第二端与电压输入端电连接。当然,在实际应用中,分压子模块的实现形式还可以为其他形式,在此不作限定。
下面以第一控制模块011设置为FRC芯片276,第二控制模块012设置为SOC 278为例进行说明。例如,参见图4与图5a,外部设备11具有HDMI端口HDMITx(即HDMI输出端),FRC芯片276具有HDMI端口HDMIRx(即HDMI接收端)、HDMI端口HDMITx(即HDMI输出端),SOC具有HDMI端口HDMIRx(即HDMI接收端)。需要说明的是,外部设备11、FRC芯片以及SOC还具有多个其他端口,在此不作限定。
参见图4与图5a,外部设备11的HDMI端口HDMITx通过HDMI 12接入FRC芯片276的HDMI端口HDMIRx,FRC芯片276的HDMI端口HDMITx通过HDMI 13接入SOC 278的HDMI端口HDMIRx。由于在外部设备11与SOC 278之间设置了FRC芯片276,导致外部设备11不能与SOC 278直接相连。以第一引脚和响应引脚为HDMI端口的5V引脚为例,在外部设备11接入显示设备后,外部设备11不能直接拉高SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V,导致SOC 278无法直接实现来电通功能。基于此,本申请实施例通过设置电压控制模块15,可以通过电压控制模块15将SOC的HDMIRx的5V引脚HDMI_RX_5V拉高,以使SOC实现来电通功能。
例如,参见图5a,电压控制模块15可以包括:第一开关K1、第二开关K2以及第一电阻R1;其中,第一开关K1的第一端与电压输入端VIN_5V电连接(例如电压输入端VIN_5V可以输入5V的电压),第一开关K1的第二端与SOC 278的HDMI端口HDMIRx的5V引脚HDMI_Rx_5V电连接,第一开关K1的控制端与第一电阻R1的第一端以及第二开关K2的第二端电连接。第一电阻R1的第二端与电压输入端VIN_5V电连接。第二开关K2的第一端与接地端电连接,第二开关K2的控制端与FRC芯片276的GPIO引脚GPIO_1电连接。在一些实施例中,第一开关K1和第二开关K2可以为三极管、薄膜晶体管(Thin Film Transistor,TFT)、金属氧化物半导体场效应管(Metal Oxide Scmiconductor,MOS)中的一种。例如,第二开关K2为NPN型三极管,则NPN型三极管的基极可以作为第二开关的控制端,NPN型三极管的发射极作为第二开关的第一端,NPN型三极管的集电极作为第二开关的第二端。第一开关K1为N型MOS管,则N型MOS管的栅极可以作为第一开关的控制端,N型MOS管的源极可以作为第一开关的第一端,N型MOS管的漏极可以作为第一开关的第二端。
在一些实施例中,FRC芯片276的HDMI端口HDMITx的5V引脚HDMI_TX_5V通过HDMI 13与SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V连接。因此,在外部设备接入显示设备且与第一控制模块中的FRC芯片电连接时,可以通过第一控制模块中的FRC芯片276向第二控制模块中的SOC的响应引脚(例如HDMI的5V引脚)输入设备接入指令(例如5V的电压)。这样可以使FRC芯片276的HDMI端口HDMITx的5V引脚HDMI_TX_5V被拉高,以拉高SOC 278的HDMI端口的5V引脚HDMI_RX_5V。由于第二控制模块中的SOC的HDMI端口的5V引脚HDMI_RX_5V被拉高,则可以控制显示器显示设备接入UI界面。以及,在外部设备拔出显示设备,且与第一控制模块中的 FRC芯片断开时,可以通过第一控制模块中的FRC芯片276向第二控制模块中的SOC的响应引脚(例如HDMI的5V引脚)输入设备拔出指令(例如无电压输入,或输入负电压值的电压)。这样可以使FRC芯片276的HDMI端口HDMITx的5V引脚HDMI_TX_5V被拉低,以拉低SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V。由于第二控制模块中的SOC的HDMI端口的5V引脚HDMI_RX_5V被拉低,则可以控制显示器显示设备拔出UI界面。
参见图4与图5b,外部设备11接入显示设备时:外部设备11通过的HDMI 12接入FRC芯片276的HDMI端口HDMIRx后,外部设备11的HDMI端口HDMITx的5V引脚HDMI_TX5V向FRC芯片276的HDMI端口HDMIRx的5V引脚HRX_5V输入5V的电压,以将FRC芯片276的HDMI端口HDMIRx的5V引脚HRX_5V拉高。之后进行外部设备11和FRC芯片276之间的数据交互。在外部设备11和FRC芯片276数据交互完成后,FRC芯片276将GPIO端口GPIO_1拉高,从而可以向第二开关K2输出高电平,控制第二开关K2导通,以使第一开关K1的源极和栅极形成电场,控制第一开关K1的源极和漏极之间形成导电通道,将电压输入端VIN_5V的5V电压输出给SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V,以使SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉高,以实现FRC芯片276通过引脚GPIO_1和电压控制模块15将SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉高的功能。之后,SOC 278检测到HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉高后,可以确定外部设备11接入了,从而可以控制显示器显示“外部设备已接入”的UI界面,如图6a所示。
参见图4与图5b,外部设备11拔出显示设备时:外部设备11与第一控制模块中的FRC芯片276断开连接,外部设备11的HDMI端口HDMIRx的5V引脚HDMI_TX5V停止向FRC芯片276的HDMI端口HDMIRx的5V引脚HRX_5V输入电压,使得FRC芯片276的HDMI端口HDMIRx的5V引脚HRX_5V拉低。FRC芯片276将GPIO端口GPIO_1拉低,从而可以向第二开关K2输出低电平,控制第二开关K2截止,以使第一开关K1的源极和栅极无电场形成,控制第一开关K1的源极和漏极之间不能形成导电通道,从而可以将电压输入端VIN_5V和SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V断开,以使SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V无电压输入,从而被拉低,以实现FRC芯片276通过电压控制模块15将SOC 278的HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉低的功能。之后,SOC 278检测到HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉低后,可以确定外部设备11已拔出,从而可以控制显示器显示“外部设备已拔出”的UI界面,如图6b所示。
在一些实施例中,为了提高电压控制模块的稳定性,参见图5b,电压控制模块进一步可以包括:第二电阻R2、第三电阻R3、第一电容C1、第二电容C2、第三电容C3以及第四电容C4中的至少一个。其中,第二电阻R2连接于第二开关K2的第二端和第一开关K1的控制端之间。第三电阻R3连接于GPIO引脚GPIO_1与第二开关K2的控制端之间。第一电容C1连接于电压输入端VIN_5V与接地端之间,第二电容C2连接于电压输入端VIN_5V与接地端之间,第三电容C3连接于电压输入端VIN_5V与第一开关K1的控制端之间,第四电容C4连接于FRC芯片的HDMI端口HDMITx的5V引脚HDMI_TX_5V与接地端之间。
在一些实施例中,上述电阻的电阻值和电容的电容值可以根据实际应用的需求进行设 计确定,在此不作限定。
<EDID>
EDID:Extended Display Identification Data(扩展显示标识数据):指DDC(Display Data Channel,显示数据通道)通讯中传输的显示设备数据。DDC是一个通道,可以用来传送EDID信息,也可以说EDID信息是通过DDC传送的。
EDID包含有关显示器及其性能的参数,包括供应商信息、最大图像大小、颜色设置、厂商预设置、频率范围的限制以及显示器名和序列号的字符串等等。形象地说,EDID就是显示器的身份证、户口本、技能证书等证件的集合。
在实际应用中,HDMI的EDID主要包括主块128字节和扩展块128字节,扩展块的内容主要是和音频属性相关的,并且扩展块数据规范按照CEA-861x标准定义,未来可能增加到512或256的整数倍。
如表一所示,针对EDID的主块128字节进行了简要说明。
Figure PCTCN2021118593-appb-000001
表一
对于每个HDMI,都会有一份EDID来进行标记。例如,为了支持例如4K数据信号:3840*2160@50Hz/60Hz数据信号的传输及显示,HDMI标准从1.4版本升级到2.0版本,对应使用的EDID版本也同步进行了升级。即HDMI1.4版本对应的EDID版本和HDMI2.0版本对应的EDID版本不同。
由于目前市场上的外部设备的种类繁多,给电视会造成兼容性的问题。如电视中内置EDID为2.0版本,但是外部设备仅支持EDID1.4版本,此时若将电视接入该外部设备则会出现信号错乱等情况,因此电视都会内置两套或三套EDID版本,来针对不同的设备做相应的版本切换,实现对外部设备的兼容。例如,可以通过控制器响应于用户从用户接口输入的选择控制指令,控制显示器显示具有多个不同EDID版本类型一一对应的功能按钮的EDID用户界面。并根据显示的EDID用户界面确定对应选择控制指令的EDID版本类 型对应的EDID参数信息,使接入外部装置接口的外部设备能够基于对应选择控制信号的EDID版本类型的EDID参数信息传输相应的数据信号,以使外部设备和显示设备可以相互兼容。
在一些实施例中,可以在控制器中设置第一控制模块和第二控制模块,以使接入外部装置接口的外部设备能够基于对应选择控制信号的EDID参数信息传输相应的数据信号,以使外部设备和显示设备可以相互兼容。
在一些实施例中,可以通过第二控制模块,控制显示器呈现出具有多个不同EDID版本类型一一对应的功能按钮的EDID用户界面,并且可以响应于从用户接口输入的选择控制指令(例如通过按键、语音或触摸形式输入选择控制指令),选择对应的EDID版本类型,呈现到EDID用户界面上,则是该EDID用户界面中对应选择控制指令的功能按钮处于当前被选定状态,例如,处于当前被选定状态的功能按钮可以是被点亮或颜色加深(例如处于阴影中),以区别其他未被选定的功能按钮。
并且,在用户当前选定了某个EDID版本类型对应的功能按钮后,第二控制模块还会对处于当前被选定状态的功能按钮对应的EDID版本类型与上一次被选定状态的功能按钮对应的EDID版本类型是否相同进行判断。在判断当前被选定状态的功能按钮对应的EDID版本类型与上一次被选定状态的功能按钮对应的EDID版本类型不同时,会输出基于当前被选定状态的功能按钮对应的EDID版本类型的写命令给第一控制模块。可以使第一控制模块响应于写命令,对存储的EDID参数信号进行更新。例如,可以控制上一次存储的EDID参数信息更新为本次用户选择的处于当前被选定状态的功能按钮对应的EDID参数信息,以使外部装置接口接入的外部设备能够基于更新后的EDID参数信息传输相应的数据信号。
以及,第一控制模块可以接收第二控制模块输出的写命令。在接收到写命令后,响应于写命令,对能够存储写命令的寄存器进行写数据的操作,以在该寄存器中写入上述写命令。之后,基于进行写数据的操作后的寄存器中的内容,控制上一次存储的EDID参数信息更新为当前被选定状态的功能按钮对应的EDID参数信息,并将更新的EDID参数信息烧录在第一控制模块的E 2ROM中,从而完成第二控制模块中EDID参数信息的更新操作。
综上,在用户切换EDID版本时,以第一控制模块设置为FRC芯片,第二控制模块设置为SOC为例。用户输入显示控制指令,第二控制模块接收到该显示控制指令后可以控制显示器呈现出EDID用户界面。用户输入选择控制指令,第二控制模块接收到该选择控制指令后,控制EDID用户界面中的一个功能按钮处于被选定状态。之后,第二控制模块判断处于当前被选定状态的EDID版本类型与存储的上一次被选定状态的EDID版本类型是否相同。在不同时,第二控制模块通过I 2C 14向第一控制模块输出写命令,第一控制模块接收到写命令后,对存储EDID参数信息的寄存器进行写数据的操作,以将写命令写入该寄存器中。之后,第一控制模块再基于该寄存器中的写入的内容,控制上一次存储的EDID参数信息更新为当前被选定状态的功能按钮对应的EDID参数信息,并将更新的EDID参数信息烧录在第一控制模块的E2ROM中,以完成第一控制模块中存储的EDID参数信息的更新操作。因此,本申请实施例中,可以使外部设备通过第一控制模块与第二控制模块进行数据交互。将EDID参数信息存储在第一控制模块中,可以使外部设备能够直接获取到第一控制模块中存储的EDID参数信息,从而可以使外部设备能够得知显示器对应的EDID的版本类型,进而可以使外部设备能够输出对应该EDID版本类型的数据信号,以满足外部设备和显示设备的兼容性。
在一些实施例中,为了提高用户的观看效果,用户可以在外部设备接入时切换EDID版本,也可以在外部设备接入后正常使用的过程中切换EDID版本,在此不作限定。
在一些实施例中,以第一控制模块设置为FRC芯片,第二控制模块设置为SOC为例。由于传统方案是将EDID参数信息内置在SOC中,因此在通过UI界面切换EDID版本类型时,可以使SOC直接控制存储的EDID的参数信息进行更新,直接实现EDID版本类型的切换。然而,本申请实施例中,将EDID参数信息存储在FRC芯片的寄存器中,由于UI界面是SOC控制显示器进行显示的,从而不能直接通过UI界面,控制FRC芯片对EDID参数信息进行参数设定。基于此,参考图4与图5a,可以在FRC芯片的端口I 2CRx与SOC的端口I 2CTx之间采用I 2C 14连接,并通过约定好的指令,控制FRC芯片实现EDID版本类型切换,并将切换好的EDID版本类型保存在SOC的数据库中,从而实现EDID的切换。
例如,在用户切换EDID版本时,以第一控制模块设置为FRC芯片,第二控制模块设置为SOC为例。用户输入显示控制指令,SOC接收到该显示控制指令后可以控制显示器呈现出EDID用户界面。用户输入选择控制指令,SOC接收到该选择控制指令后,控制EDID用户界面中的一个功能按钮处于被选定状态。之后,SOC判断处于当前被选定状态的EDID版本类型与存储的上一次被选定状态的EDID版本类型是否相同。在不同时,SOC通过I 2C14向FRC芯片输出写命令,FRC芯片接收到写命令后,对存储EDID参数信息的寄存器进行写数据的操作,以将写命令写入该寄存器中。之后,FRC芯片再基于该寄存器中的写入的内容,控制上一次存储的EDID参数信息更新为当前被选定状态的功能按钮对应的EDID参数信息,并将更新的EDID参数信息烧录在第一控制模块的E2ROM中,以完成FRC芯片中存储的EDID参数信息的更新操作。
结合图4和图7a以及图7b,用户切换EDID版本的流程具体可以如下。
S701、用户从用户接口(例如显示器上的物理按键或快捷菜单)输入开启具有多个不同EDID版本的UI界面的显示控制指令,SOC接收到该显示控制指令后,读取数据库中存储的EDID版本类型,将从数据库中读取的EDID版本类型,控制显示器显示具有多个不同EDID版本类型的EDID UI界面,如图8a所示,该EDID UI界面中可以具有不同EDID版本类型一一对应的功能按钮,以及显示器的产品ID。图8a中示意出了分辨率为3840*2160的EDID版本类型对应的功能按钮和分辨率为1920*1080的EDID版本类型对应的功能按钮。
S702、用户从用户接口(例如显示器上的物理按键,或通过触控功能)输入选择自己要切换的EDID版本类型的选择控制指令,SOC接收到该选择控制指令后,可以控制EDID版本的UI界面中,对应该选择控制指令的功能按钮处于当前被选定状态,如图8b所示,例如该选择控制指令对应选取分辨率为3840*2160的EDID版本,则可以将分辨率为3840*2160的功能按钮点亮或颜色加深(例如处于阴影中),则可以说明已经将分辨率为3840*2160的功能按钮被选中了。
S703、SOC将用户选择的EDID版本类型由应用层传递到中间件层,在中间件层中判断用户当前选择的EDID版本类型(即处于当前被选定状态的EDID版本类型)与数据库存储的用户上一次选择的EDID版本类型(即上一次被选定的EDID版本类型)是否相同。若用户当前选择的EDID版本类型与数据库存储的用户上一次选择的EDID版本类型不同,则执行步骤S704。若用户当前选择的EDID版本类型与数据库存储的用户上一次选择的EDID版本类型相同,则执行步骤S707:不控制FRC芯片进行EDID版本切换,使EDID 版本保持不变。
需要说明的是,显示设备200的存储器中的操作系统架构从上到下依次是应用层、中间件层和内核层。其中,应用层可包括多个应用程序,如设置应用程序、电子帖应用程序、媒体中心应用程序等。这些应用程序可被实现为Web应用,其基于WebKit引擎来执行,具体可基于HTML5、层叠样式表(CSS)和JavaScript来开发并执行。中间件层可以提供一些标准化的接口,以支持各种环境和系统的操作。例如,中间件层可以实现为与数据广播相关的中间件的多媒体和超媒体信息编码专家组(MHEG),还可以实现为与外部设备通信相关的中间件的DLNA中间件,还可以实现为提供显示设备内各应用程序所运行的浏览器环境的中间件等。内核层可以提供核心系统服务,例如:文件管理、内存管理、进程管理、网络管理、系统安全权限管理等服务。内核层可以被实现为基于各种操作系统的内核,例如,基于Linux操作系统的内核。
S704、SOC通过I 2C 14给FRC芯片发送基于用户当前选择的EDID版本类型(即处于当前被选定状态的功能按钮对应的EDID版本类型)的写命令,FRC芯片接收写命令,告知FRC芯片用户需要切换EDID版本,SOC即将要向FRC芯片写入用户当前选择的EDID版本。写命令可以包括:用于存储数据的寄存器地址和用户要切换的EDID参数信息(即当前被选定状态的功能按钮对应的EDID版本类型的EDID参数信息)。
例如,如表二所示,写命令中的寄存器地址(Register address)可以是SOC发送给FRC芯片的,对应FRC芯片中寄存器地址(Register address),这样通过SOC向FRC芯片输入寄存器的地址,可以告知FRC芯片,SOC即将要向该地址对应的寄存器写入用户切换的EDID版本的操作。寄存器地址共计32bits(d0-d31)。
例如,如表二所示,写命令中的EDID参数信息(Write data)代表SOC向Register address写入的具体参数,为了后续方便对SOC与FRC芯片的HDMI相关命令扩展。EDID参数信息(Write data)可以包括:8bits的主命令(MainCmd)、8bits的从命令(SubCmd)、8bits的EDID参数(Value)。其中,主命令(MainCmd)为Main HDMI,代表与I 2C14相关的命令。从命令(SubCmd)为Sub Set Edid Mode,代表要执行切换EDID版本的命令。EDID参数(Value)中的EDID Mode代表用户要切换的EDID版本类型。根据此约定好的格式实现在SOC与FRC芯片之间EDID版本类型的传输。
Figure PCTCN2021118593-appb-000002
表二
S705、根据写命令,进行写数据的操作,将EDID参数信息(Write data)中的主命令(MainCmd)中的Main HDMI,从命令(SubCmd)中的Sub Set Edid Mode以及要传入的EDID参数(Value)存入该寄存器中。
在进行写数据的操作之前,还可以使FRC芯片判断对应写命令的寄存器地址的寄存器是否空闲。例如,FRC芯片中对应写命令的寄存器地址的寄存器还可以存储其他信息,以用于被SOC调取这些信息执行相应的操作,从而导致该寄存器处于工作状态。若是直接对处于工作状态的寄存器进行写入写命令的操作,可能会导致程序混乱。因此,可以在判断FRC芯片对应写命令的寄存器地址的寄存器空闲时,基于写命令进行写数据操作。可以在判断FRC芯片对应写命令的寄存器地址的寄存器不空闲时,则先进行等待,在FRC芯片对应写命令的寄存器地址的寄存器空闲时,再基于写命令进行写数据操作。
S706、FRC芯片读取写入该寄存器的写命令的内容,根据主命令(MainCmd)中的Main HDMI,从命令(SubCmd)中的Sub Set Edid Mode以及要传入的EDID参数(Value),将对应的EDID参数信息烧录在FRC芯片中的E 2ROM(Electrically Erasable Programmable Read-Only Memory,带电可擦可编程只读存储器)中,实现FRC芯片内置EDID版本类型的切换。
<视频时序(Timming)信息>
在实际应用中,为了优化用户体验,控制器在HDMI通道下会将识别到的数据信号的视频时序信息送给显示器,显示器就会显示外接设备输入控制器中的数据信号的视频时序信息。需要说明的是,视频时序信息一般包括数据信号的分辨率和刷新率。例如,视频时序信息可以为:7680*4320@60HZ、3840*2160@60HZ、1920*1080@60HZ等。在一些实施例中,外部设备可以通过外部装置接口向控制器输入数据信号,控制器可以根据外部设备输入的数据信号,控制显示器显示例如图9a所示的用户UI界面。或者,还可以根据数据信号中携带的视频时序信息,控制显示器显示例如图9a所示的用户UI界面时,显示标识输入的数据信号的视频时序信息的视频时序信息UI界面。
在一些实施例中,可以在控制器中设置第一控制模块和第二控制模块,以使显示器可以实现显示视频时序信息UI界面。在一些实施例中,通过第一控制模块从外部装置接口接收外部设备输入的数据信号,可以确定出数据信号中携带的视频时序信息,并将该视频时序信息存储起来。可以通过第一控制模块和第二控制模块之间的数据交互,使第二控制模块可以获取到第一控制模块中存储的其接收到的数据信号的视频时序信息。这样使第二控制模块可以基于从第一控制模块中获取的视频时序信息和设定数据格式对应的视频时序信息,控制显示器显示视频时序信息用户界面。需要说明的是,本部分实施例中的设定数据格式可以参见下述描述,在此不作赘述。
在一些实施例中,第二控制模块可以接收外部设备经第一控制模块输入的数据信号,并在接收到第一控制模块输入的数据信号后,向第一控制模块发送视频时序获取指令,以获取第一控制模块中存储的对应外部设备输入的数据信号的视频时序信息。由于第一控制模块向第二控制模块输入的数据信号可能是经第一控制模块降采样处理后的,也可能是未经第一控制模块处理直接发送给第二控制模块的,因此,在第二控制模块获取到第一控制模块中存储的视频时序信息后,可以通过判断该获取到的视频时序信息与设定数据格式对应的视频时序信息是否一致。其中,在获取到的视频时序信息为设定数据格式对应的视频时序信息,即一致时,可以继续判断本次从第一控制模块中获取到的视频时序信息与上一次插入外部设备时存储的视频时序信息是否一致,以确定是否需要更新视频时序信息。若判断本次从第一控制模块中获取到的视频时序信息与上一次插入外部设备时存储的视频时序信息一致,则不需要更新视频时序信息即可以控制显示器进行显示,也就是说,可以 直接基于上一次插入外部设备时存储的视频时序信息,控制显示器显示视频时序信息用户界面。若判断本次从第一控制模块中获取到的视频时序信息与上一次插入外部设备时存储的视频时序信息不一致,则需要更新视频时序信息,之后再控制显示器显示。也就是说,将存储的视频时序信息更新为本次从第一控制模块中获取的视频时序信息,并基于本次从第一控制模块中获取的视频时序信息,控制显示器显示视频时序信息用户界面。
并且,在获取到的视频时序信息不为设定数据格式对应的视频时序信息,即不一致时,第二控制模块可以基于第一控制模块发送的数据信号,获取到本次从第一控制模块接收到的数据信号的视频时序信息。之后,可以判断本次从第一控制模块接收到的数据信号的视频时序信息与上一次插入外部设备时自身存储的视频时序信息是否一致,以确定是否需要更新视频时序信息。若判断本次从第一控制模块接收到的数据信号的视频时序信息与上一次插入外部设备时自身存储的视频时序信息一致,则不需要更新视频时序信息即可以控制显示器进行显示,也就是说,可以直接基于上一次插入外部设备时存储的视频时序信息,控制显示器显示视频时序信息用户界面。若判断本次从第一控制模块接收到的数据信号的视频时序信息与上一次插入外部设备时自身存储的视频时序信息不一致,则需要更新视频时序信息,之后再控制显示器显示。也就是说,可以将存储的视频时序信息更新为本次从第一控制模块接收到的数据信号的视频时序信息,并基于本次从第一控制模块接收到的数据信号的视频时序信息,控制显示器显示视频时序信息用户界面。
在一些实施例中,可以在第一控制模块中设定一个存放视频时序信息的寄存器,并定义该寄存器存放视频时序信息(视频时序Info)的视频时序类型。以8K为例,如表三所示,定义了6种8K视频时序信息的类型,这6种视频时序信息均为常见电视连接的外部设备发送的数据信号(电视的EDID也仅声明这六种视频时序格式)。VIC代表CEA中规定的相应视频时序信息的序号。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为8K以下信号,则在寄存器中将视频时序类型设为0,并还可以将该视频时序信息的类型存储起来。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为7680*4320@24HZ,则在寄存器中将视频时序类型设为1,并还可以将该视频时序信息的类型存储起来。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为7680*4320@25HZ,则在寄存器中将视频时序类型设为2,并还可以将该视频时序信息的类型存储起来。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为7680*4320@30HZ,则在寄存器中将视频时序类型设为3,并还可以将该视频时序信息的类型存储起来。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为7680*4320@48HZ,则在寄存器中将视频时序类型设为4,并还可以将该视频时序信息的类型存储起来。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为7680*4320@50HZ,则在寄存器中将视频时序类型设为5,并还可以将该视频时序信息的类型存储起来。若FRC芯片获取到外部设备输入的数据信号的视频时序信息为7680*4320@60HZ,则在寄存器中将视频时序类型设为6,并还可以将该视频时序信息的类型存储起来。
视频时序类型 视频时序Info VIC
0 Other Format  
1 7680*4320@24HZ 194
2 7680*4320@25HZ 195
3 7680*4320@30HZ 196
4 7680*4320@48HZ 197
5 7680*4320@50HZ 198
6 7680*4320@60HZ 199
表三
在一些实施例中,第二控制模块可以具有多个HDMI端口HDMIRx,可以将一部分HDMI端口HDMIRx定义为直接连接外部设备的端口,将另一部分HDMI端口HDMIRx定义为连接第一控制模块的端口,再使第一控制模块通过HDMI直接连接外部设备。在应用时,可以将这些HDMI端口HDMIRx的定义存储在第二控制模块的存储器中,例如,第二控制模块可以具有HDMI端口HDMIRx:HDMI-1-1,HDMI-1-2、HDMI-1-3,HDMI-2-1、HDMI-2-2、HDMI-2-3,可以将HDMI端口HDMIRx:HDMI-1-1,HDMI-1-2、HDMI-1-3定义为直接连接外部设备的端口,将HDMI端口HDMIRx:HDMI-2-1、HDMI-2-2、HDMI-2-3定义为直接连接第一控制模块的端口。基于此,在一些实施例中,由于外部设备是与HDMI端口电连接,这样可以使控制器在外部设备接入时,结合外部设备接入的HDMI端口,根据预先存储的HDMI端口的定义信息,可以确定出该外部设备的接入模式。
在一些实施例中,当控制器确定外部设备的接入模式为第一接入模式(例如外部设备与第一控制模块直接连接)时,可以基于存储的从外部装置接口接收的外部设备输入的数据信号的视频时序信息和设定数据格式对应的视频时序信息,控制显示器显示视频时序信息用户界面。例如,当确定外部设备的接入模式为第一接入模式时,第一控制模块可以从外部装置接口接收外部设备输入的数据信号,并存储该数据信号对应的视频时序信息。第二控制模块可以与第一控制模块进行交互,以获取到第一控制模块中存储的视频时序信息,并基于获取的视频时序信息和设定数据格式对应的视频时序信息,控制显示器显示视频时序信息用户界面。
在一些实施例中,当控制器确定外部设备的接入模式为第二接入模式(例如外部设备与第二控制模块直接连接)时,可以基于从外部装置接口接收的外部设备输入的数据信号的视频时序信息,控制显示器显示视频时序信息用户界面。例如,当确定外部设备的接入模式为第二接入模式时,第二控制模块可以直接从外部装置接口接收外部设备输入的数据信号,并可以确定出从外部装置接口接收到的数据信号中携带的视频时序信息,从而可以基于从外部装置接口接收的外部设备输入的数据信号的视频时序信息,控制显示器显示视频时序信息用户界面。
在一些实施例中,当确定外部设备的接入模式为第二接入模式时,第二控制模块可以直接根据外部设备输入的数据信号,确定出从外部装置接口接收的外部设备输入的数据信号的视频时序信息。之后可以判断本次接收到的数据信号的视频时序信息与存储的上一次插入外部设备时接收到的数据信号的视频时序信息是否一致,以确定是否要更新存储的视频时序信息。在一致时,可以不需要更新存储的视频时序信息,直接基于上一次插入外部 设备时存储的视频时序信息,控制显示器显示视频时序信息用户界面。在不一致时,可以更新存储的视频时序信息,也就是说,可以将存储的视频时序信息更新为本次接收到的数据信号的视频时序信息,并基于本次接收到的数据信号的视频时序信息,控制显示器显示视频时序信息用户界面。
视频时序信息处理方式一:
在一些实施例中,以第一控制模块设置为FRC芯片,第二控制模块设置为SOC为例。本申请实施例中,SOC接收到输入的数据信号后,SOC可以通过预先存储的HDMI端口的定义信息,确定出接收数据信号的HDMI端口是否为连接有FRC芯片的端口(即第一接入模式)。并且,通过在外部设备与SOC之间设置了FRC芯片,这样导致了输入SOC的数据信号可能是经降采样处理后的,这样使得SOC获取到的视频时序信息可能会不准确,因此可以将外部设备输出的数据信号的视频时序信息先存储于FRC芯片的寄存器中,之后SOC将设定数据格式的数据信号的视频时序信息和FRC芯片存储的视频时序信息进行比较,若相同,则不用对视频时序信息进行更新。若不同,则需要对视频时序信息进行更新。
以第一控制模块设置为FRC芯片,第二控制模块设置为SOC为例。在确定出接收数据信号的HDMI端口是直接连接FRC芯片的端口(例如,HDMI-2-1)时,结合图9a至图10b,通过如下步骤S1001~S1008,控制显示器显示视频时序信息用户界面。
S1001、SOC通过I 2C 14,采用DDC方式,向FRC芯片发送视频时序获取指令。例如,该视频时序获取指令可以为存储视频时序信息的寄存器地址。
S1002、FRC芯片将寄存器中存储的外部设备输入的数据信号(即外部设备输出的数据信号)对应的视频时序信息准备好,以使SOC读取FRC寄存器中存储的视频时序信息。例如,外部设备输入的数据信号对应的视频时序信息可以为7680*4320@60HZ,即外部设备输入的数据信号为8K数据信号。
S1003、SOC判断从FRC芯片中获取的视频时序信息是否为8K数据信号对应的视频时序信息。
在SOC判断从FRC芯片中获取的视频时序信息是8K数据信号对应的视频时序信息时,例如,SOC从FRC芯片中获取的视频时序信息为7680*4320@60HZ,则说明SOC从FRC芯片中获取的视频时序信息是8K数据信号对应的视频时序信息,则执行步骤S1004~S1006。
在SOC判断从FRC芯片中获取的视频时序信息不是8K数据信号对应的视频时序信息时,例如,SOC从FRC芯片中获取的视频时序信息为3840*2160@60HZ,则说明SOC从FRC芯片中获取的视频时序信息不是8K数据信号对应的视频时序信息,则执行步骤S1007~S10010。
S1004、SOC判断自身本次从FRC芯片中获取的视频时序信息与上一次插入外部设备时存储的视频时序信息是否一致。
S1005、若一致,例如,本次从FRC芯片中获取的视频时序信息为7680*4320@60HZ,上一次插入外部设备时存储的视频时序信息也为7680*4320@60HZ,则说明这两次数据信号的视频时序信息一致。则SOC不更新存储的视频时序信息(即仍然存储的上一次插入外部设备时存储的视频时序信息),而是直接根据上一次存储的视频时序信息,控制显示器显示在图9a所示的UI界面上,例如,在图9a所示的UI界面的左上角显示视频时序信息用户界面TM1,如图9b所示。
S1006、若不一致,例如,SOC本次从FRC芯片中获取的视频时序信息为7680*4320@60HZ,上一次插入外部设备时存储的视频时序信息为7680*4320@50HZ,则说明这两次数据信号的视频时序信息不一致。SOC更新存储的视频时序信息为本次从FRC芯片中获取的视频时序信息,并根据更新的视频时序信息,控制显示器显示在图9a所示的UI界面上,例如,在图9a所示的UI界面的左上角显示视频时序信息用户界面TM1,如图9b所示。
S1007、SOC确定自身本次接收到的数据信号的视频时序信息。例如,本次接收到的数据信号的视频时序信息为3840*2160@60HZ。
S1008、SOC判断自身本次接收到的数据信号的视频时序信息与上一次插入外部设备时接收到的数据信号的视频时序信息是否一致。
S1009、若一致,例如,本次接收到的数据信号的视频时序信息为3840*2160@60HZ,上一次插入外部设备时接收到的数据信号的视频时序信息也为3840*2160@60HZ,则说明这两次数据信号的视频时序信息一致。SOC不更新存储的视频时序信息,而是直接根据存储的视频时序信息,控制显示器显示在图9a所示的UI界面上,例如,在图9a所示的UI界面的左上角显示视频时序信息用户界面TM2,如图9c所示。
S10010、若不一致,例如,本次接收到的数据信号的视频时序信息为3840*2160@60HZ,上一次插入外部设备时接收到的数据信号的视频时序信息为1920*1080@60HZ,则说明这两次数据信号的视频时序信息不一致。SOC更新存储的视频时序信息为本次接收到的数据信号的视频时序信息,并根据更新的视频时序信息,控制显示器显示在图9a所示的UI界面上,例如,在图9a所示的UI界面的左上角显示视频时序信息用户界面TM3,如图9d所示。
视频时序信息处理方式二:
在一些实施例中,以第二控制模块设置为SOC为例。本申请实施例中,SOC接收到输入的数据信号后,SOC可以通过预先存储的HDMI端口的定义信息,确定出接收数据信号的HDMI端口是否为直接连接外部设备的端口(即第二接入模式)。若确定接收数据信号的HDMI端口是直接连接外部设备的端口(即第二接入模式),也就是说,外部设备与SOC直接通过HDMI(例如HDMI-1-2)电连接,这样可以使SOC能够直接接收外部设备输入的数据信号。例如,结合图11至图12b,通过如下步骤S1101~S1104,控制显示器显示视频时序信息用户界面。
S1101、SOC根据接收到的数据信号,确定该数据信号的视频时序信息。该数据信号是由外部设备直接通过HDMI端口HDMI-1-2输入到SOC中的。例如,外部设备输入的数据信号对应的视频时序信息为7680*4320@60HZ。
S1102、SOC判断自身本次接收到的数据信号的视频时序信息与存储的上一次插入外部设备时接收到的数据信号的视频时序信息是否一致。
S1103、若一致,例如,本次接收到的数据信号的视频时序信息为7680*4320@60HZ,上一次插入外部设备时接收到的数据信号的视频时序信息也为7680*4320@60HZ,则说明这两次数据信号的视频时序信息一致。SOC不更新存储的视频时序信息(即存储的上一次插入外部设备时接收到的数据信号的视频时序信息),而是直接根据存储的视频时序信息,控制显示器显示在图9a所示的UI界面上,例如,在图9a所示的UI界面的左上角显示视频时序信息用户界面TM4,如图12a所示。
S1104、若不一致,例如,本次接收到的数据信号的视频时序信息为3840*2160@60HZ,上一次插入外部设备时接收到的数据信号的视频时序信息为7680*4320@60HZ,则说明这两次数据信号的视频时序信息不一致。SOC更新存储的视频时序信息为本次接收到的数据信号的视频时序信息(即将存储的上一次插入外部设备时接收到的数据信号的视频时序信息变更为本次接收到的数据信号的视频时序信息),并根据更新的视频时序信息,控制显示器显示在图9a所示的UI界面上,例如,在图9a所示的UI界面的左上角显示视频时序信息用户界面TM5,如图12b所示。
<显示设备显示画面>
在实际应用中,若输入显示设备(例如电视)的数据信号的格式与显示设备支持的格式不匹配时,会导致显示设备出现花屏、黑屏或无信号的问题。本申请实施例中,可以将与显示设备不匹配的数据信号的格式定义为设定数据格式,即设定数据格式可以为显示设备不支持或不匹配的数据格式。例如,设定数据格式可以为8K,显示设备最高只能支持4K,那么将8K的数据信号输入到显示设备中后,会导致格式不匹配,使显示设备出现花屏、黑屏或无信号的问题。有鉴于此,本申请实施例提供的显示设备中,控制器还可以在外部装置接口输入的数据信号为设定数据格式的数据信号时,对数据信号进行降采样处理,以使降采样处理后的数据信号可以是显示设备支持的数据格式。从而可以基于降采样处理后的数据信号,控制显示器进行显示。例如,在外部装置接口输入的数据信号为8K数据信号时,可以对该8K数据信号进行降采样处理后,控制显示器进行显示。例如,设定数据格式也可以为4K/2K,在此不作限定。
在一些实施例中,可以在控制器中设置第一控制模块和第二控制模块,以实现对数据信号的降采样处理,以使外部设备和显示设备可以相互兼容。其中,第一控制模块可以通过外部装置接口与外部设备进行数据交互,外部设备可以通过外部装置接口向第一控制模块输入用于显示图像的数据信号,在外部装置接口输入的数据信号为设定数据格式的数据信号时,可以对该数据信号进行降采样处理,以满足其存储的EDID参数信息的要求,即可以使降采样处理后的数据信号可以是显示设备支持的数据格式。以及,第二控制模块可以通过信号传输线与第一控制模块进行数据交互,第一控制模块将降采样处理后的数据信号输出给第二控制模块,由于经第一控制模块降采样处理后的数据信号可以是显示设备支持的数据格式,因此,在第二控制模块接收第一控制模块输出的数据信号后,可以根据接收的数据信号,控制显示器进行显示,以实现图像显示。
在一些实施例中,第一控制模块可以与外部设备进行数据交互,以接收外部设备通过外部装置接口输入的数据信号。可以根据数据信号中携带的信息,确定数据信号对应的分辨率信息。这样可以根据确定出的数据信号的分辨率信息和设定数据格式的数据信号对应的分辨率信息之间的关系,确定是否对该数据信号中的视频像素数据进行降采样处理。在确定数据信号对应的分辨率信息为设定数据格式的数据信号对应的分辨率信息时,说明外部设备输入的数据信号不是显示设备能够支持的数据信号,这样可以通过对数据信号中的视频像素数据进行降采样处理,以使降采样处理后的视频像素数据可以满足显示设备支持的数据信号,即满足存储的EDID参数信息的要求。这样将降采样处理后的数据信号发送给第二控制模块,可以使第二控制模块基于该数据信号控制显示器进行显示。以及,在外部装置接口输入的数据信号不为设定数据格式的数据信号时,说明外部设备输入的数据信号是显示设备能够支持的数据信号,这样可以不用经第一控制模块进行降采样处理,可以 直接将接收到的数据信号输出给第二控制模块,以使第二控制模块基于该数据信号控制显示器直接进行显示。
在一些实施例中,第一控制模块还可以实时检测外部装置接口中的设定引脚的状态。例如,在检测到设定引脚基于外部装置接口接入的外部设备输入的接入状态指令处于有效状态(例如该设定引脚被拉高)时,控制外部装置接口的热插拔引脚处于有效状态(例如该热插拔引脚被拉高),以使外部设备获取到第一控制模块中的E 2ROM存储的EDID参数信息,从而可以使外部设备得知显示设备支持的EDID版本类型,以基于获取到的该EDID版本类型对应的EDID参数信息传输相应的数据信号。在一些实施例中,设定引脚例如可以为HDMI端口中的5V引脚。在5V引脚输入5V电压时,可以说明设定引脚处于有效状态。热插拔引脚输入5V电压时,可以说明热插拔引脚处于有效状态。当然,在实际应用中,设定引脚输入的电压值和热插拔引脚输入的电压值还可以设置为其他值(例如,4V、6V、8V等),在此不作限定。
a:外部设备刚接入显示设备时,外部设备输入数据信号,显示设备显示画面。
参见图4,以第一控制模块为FRC芯片,第二控制模块为SOC为例,FRC芯片可以与接入外部装置接口的外部设备进行通信,从而可以接收外部设备经由外部装置接口输入至显示设备中的数据信号。例如,FRC芯片与接入外部装置接口的电视盒子进行通信,电视盒子输出8K/4K/2K数据信号,经过外部装置接口输入至FRC芯片中。
以及,FRC芯片还可以与SOC进行通信,从而可以在SOC能够解码的数据信号的最大分辨率小于FRC芯片接收到的数据信号的分辨率时,将接收到的数据信号进行降采样处理,以使降采样处理后的数据信号可以满足SOC能够解码的数据信号的最大分辨率的要求,并将降采样后的数据信号输入SOC,以使SOC能够根据输入的数据信号控制显示器进行显示。例如,以4K和8K为例,FRC芯片接收到8K数据信号,SOC能够解码的视频信号的最大分辨率为4K数据信号,且显示器能够显示的数据信号也为4K数据信号时,FRC芯片可以将接收到的8K数据信号进行降采样处理,以将8K数据信号转换为4K数据信号后,输入到SOC中,以满足SOC能够处理的数据信号的要求,以使SOC可以控制显示器显示数据信号对应的图像。这样可以使支持解码4K数据信号的显示设备最终能够实现对8K数据信号的解码和显示。
本申请实施例中,通过在外部设备与SOC之间设置FRC芯片,在外部设备接入显示设备时,外部设备是通过FRC芯片与SOC实现数据信号传输的。结合图4、图5a与图13,以设定数据格式为8K为例,外部设备接入显示设备时,外部设备、FRC芯片以及SOC之间的交互过程如下:
S1301、外部设备11通过的HDMI 12接入FRC芯片276的HDMI端口HDMIRx,外部设备11的HDMI端口HDMITx的5V引脚HDMI_TX5V向FRC芯片276的HDMI端口HDMIRx的5V引脚HRX_5V输入5V的电压,将FRC芯片276的HDMI端口HDMIRx的5V引脚HRX_5V拉高。
S1302、FRC芯片276检测到5V引脚HRX_5V拉高,将HDMI端口HDMIRx中采用TMDS/FRL方式传输数据信号的引脚(参见图5a,HRX_CN、HRX_CP、HRX_0N、HRX_0P、HRX_1N、HRX_1P、HRX_2N、HRX_2P)拉高。以及将HDMI端口HDMIRx的热插拔引脚HDMI_RX_HPD也拉高。
S1303、由于FRC芯片276的HDMI端口HDMIRx的热插拔引脚HDMI_RX_HPD拉 高,会使外部设备11的HDMI端口HDMITx的热插拔引脚HDMI_TX_HPD也拉高,则外部设备11检测到热插拔引脚HDMI_TX_HPD拉高时,主动通过外部设备11的HDMI端口HDMITx的DDC引脚(参见图5a,HDM1_TX_SDA、HDM1_TX_SCL)读取烧录到FRC芯片276中的E 2ROM内的EDID信息。例如,烧录到FRC芯片中的E 2ROM内的EDID信息可以为对应4K数据信号的EDID信息,如对应3840*2160@60Hz的EDID信息。
S1304、外部设备11根据读取到的EDID信息,通过HDMI 12,采用TMDS(最小化传输差分信号)方式将与读取到的EDID信息相对应的数据信号输入到FRC芯片276中。其中,通过TMDS传输的数据信号主要包括:视频数据周期信号(video data period)、数据岛(data island)以及控制信息(preamble)。视频数据周期信号主要包括视频像素数据,数据岛主要包括音频数据包和辅助信息,控制信息包括用于识别视频数据周期信号的视频标志位和用于识别数据岛的音频标志位,这样可以通过标志位控制接下来发送的信号是视频数据周期信号还是数据岛。
S1305、FRC芯片276可以根据视频标志位和音频标志位,将输入的数据信号中的数据岛和视频数据周期信号分别确定出来。其中,FRC芯片对数据岛不作处理。以及,FRC芯片276可以根据确定出来的视频数据周期信号,获取到该视频数据周期信号对应的分辨率信息和视频时序信息,将获取到的视频时序信息存储到对应的寄存器中。
S1306、FRC芯片276根据分辨率信息确定该输入的数据信号对应的分辨率信息是否为8K数据信号对应的分辨率信息。
S1307、由于8K数据信号的分辨率为7680*4320,4K数据信号的分辨率为3840*2160,若外部设备输入的数据信号的分辨率为7680*4320,则说明外部设备输入FRC芯片的数据信号为8K数据信号。此时可以对视频数据周期信号中的视频像素数据进行降采样处理,以使降采样处理后的视频像素数据可以满足对应4K数据信号的EDID信息的要求,从而可以使显示器能够正常显示外部设备输入的数据信号。例如,存储的EDID信息对应4K数据信号,则可以将8K数据信号通过降采样处理为4K数据信号。
在一些实施例中,降采样处理,可以是将FRC芯片接收到的数据信号中的视频像素数据由7680*4320删减为3840*2160,以满足4K数据信号的要求。或者,降采样处理,也可以是将FRC芯片接收到的数据信号中的视频像素数据由7680*4320合并为3840*2160,以满足4K数据信号的要求。当然,降采样处理还可以是其他可以实现的方式,在此不作限定。
若FRC芯片确定外部设备输入的数据信号的分辨率为3840*2160,则说明外部设备输入FRC芯片的数据信号为4K数据信号,不是8K数据信号。则不需要对数据信号做处理。之后将确定出来的视频数据周期信号和数据岛打包后,采用TMDS方式,通过引脚(参见图5a:HTX_CN、HTX_CP、HTX_0N、HTX_0P、HTX_1N、HTX_1P、HTX_2N、HTX_2P)发送给SOC,以使SOC 278可以对接收到的数据信号进行相应的处理后,控制显示器基于数据信号显示图像以及播放声音,或者控制显示器显示例如图8a所示的用户UI界面。
S1308、FRC芯片276通过GPIO引脚GPIO_1和电压控制模块将SOC的HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉高。
S1309、SOC 278检测到HDMI端口HDMIRx的5V引脚HDMI_RX_5V拉高,可以控制显示器显示图6a所示的UI界面。
S13010、FRC芯片276将数据岛和降采样处理后的视频数据周期信号进行打包处理后, 形成更新的数据信号,将该更新的数据信号通过HDMI13,采用TMDS方式,通过引脚(参见图5a:HTX_CN、HTX_CP、HTX_0N、HTX_0P、HTX_1N、HTX_1P、HTX_2N、HTX_2P)发送给SOC 278。
S13011、SOC 278可以对接收到的数据信号进行相应的处理后,控制显示器基于数据信号显示图像以及播放声音,或者控制显示器显示例如图8a所示的用户UI界面。
b:外部设备已接入显示设备后,外部设备输入数据信号,显示设备显示画面。
参见图4,以第一控制模块为FRC芯片,第二控制模块为SOC,设定数据格式为8K为例,FRC芯片可以与接入外部装置接口的外部设备进行通信,从而可以接收外部设备经由外部装置接口输入至显示设备中的数据信号。并在接收到的数据信号为8K数据信号时,对该数据信号进行降采样处理。并将降采样处理后的数据信号发送给SOC,以使SOC可以根据降采样处理后的数据信号控制显示面板显示视频画面。
本申请实施例中,通过在外部设备与SOC之间设置FRC芯片,在外部设备接入显示设备时,外部设备是通过FRC芯片与SOC实现数据信号传输的。结合图4、图5a与图13,以设定数据格式为8K为例,外部设备已接入显示设备后,数据信号在外部设备、FRC芯片以及SOC之间的交互过程如下:
S1401、外部设备11通过HDMI端口HDMITx的DDC引脚(HDM1_TX_SDA、HDM1_TX_SCL)读取烧录到FRC芯片中的E 2ROM内的EDID信息。例如,烧录到FRC芯片中的E 2ROM内的EDID信息可以为对应4K数据信号的EDID信息,如对应3840*2160@60Hz的EDID信息。
S1402、外部设备11根据读取到的EDID信息,通过HDMI 12,采用TMDS方式将与读取到的EDID信息相对应的数据信号输入到FRC芯片276中。
S1403、FRC芯片276可以根据视频标志位和音频标志位,将输入的数据信号中的数据岛和视频数据周期信号分别确定出来。其中,FRC芯片对数据岛不作处理。以及FRC芯片276可以根据确定出来的视频数据周期信号,获取到该视频数据周期信号对应的分辨率信息,将获取到的分辨率信息存储到对应的寄存器中。
S1404、FRC芯片276根据分辨率信息确定该输入的数据信号对应的分辨率信息是否为8K数据信号对应的分辨率信息。
S1405、由于8K数据信号的分辨率为7680*4320,4K数据信号的分辨率为3840*2160,若外部设备输入的数据信号的分辨率为7680*4320,则说明外部设备输入FRC芯片的数据信号为8K数据信号。此时可以对视频数据周期信号中的视频像素数据进行降采样处理,以使降采样处理后的视频像素数据可以满足对应4K数据信号的EDID信息的要求,从而可以使显示器能够正常显示外部设备输入的数据信号。例如,存储的EDID信息对应4K数据信号,则可以将8K数据信号通过降采样处理为4K数据信号。
若FRC芯片确定外部设备输入的数据信号的分辨率为3840*2160,则说明外部设备输入FRC芯片的数据信号为4K数据信号,不是8K数据信号。则不需要对数据信号做处理。之后将确定出来的视频数据周期信号和数据岛打包后,采用TMDS方式发送给SOC 278,以使SOC 278可以对接收到的数据信号进行相应的处理后,控制显示器基于数据信号显示图像以及播放声音。
S1406、FRC芯片276将数据岛和降采样处理后的视频数据周期信号进行打包处理后,形成更新的数据信号,将该更新的数据信号通过HDMI13,采用TMDS方式传输给SOC 278。
S1407、SOC 278可以对接收到的数据信号进行相应的处理后,控制显示器基于数据信号显示图像以及播放声音。
基于同一发明构思,本申请中一些实施例中的驱动方法,可以包括:从外部装置接口接收外部设备输入的数据信号后,控制显示器显示视频时序信息用户界面。具体地,从外部装置接口接收外部设备输入的数据信号后,控制显示器显示视频时序信息用户界面,包括:从外部装置接口接收外部设备输入的数据信号,并存储数据信号对应的视频时序信息;获取第一控制模块中存储的视频时序信息;基于获取的视频时序信息和设定数据格式对应的视频时序信息,控制显示器显示视频时序信息用户界面。需要说明的是,该驱动方法的实施过程,可以参见上述显示设备的实施例的工作过程,在此不过赘述。
基于同一发明构思,本申请中一些实施例中的驱动方法,可以包括:在外部设备接入时,根据预先存储的端口定义信息,确定外部设备的接入模式。当确定外部设备的接入模式为第一接入模式时,基于存储的从外部装置接口接收的外部设备输入的数据信号的视频时序信息和设定数据格式对应的视频时序信息,控制显示器显示视频时序信息用户界面。当确定外部设备的接入模式为第二接入模式时,基于从外部装置接口接收的外部设备输入的数据信号的视频时序信息,控制显示器显示视频时序信息用户界面。需要说明的是,该驱动方法的实施过程,可以参见上述显示设备的实施例的工作过程,在此不过赘述。
基于同一发明构思,本申请中一些实施例中的驱动方法,可以包括:响应于从用户接口输入的选择控制指令,控制显示器显示EDID用户界面,以更新EDID参数信息,使接入外部装置接口的外部设备能够基于更新后的EDID参数信息传输相应的数据信号。需要说明的是,该驱动方法的实施过程,可以参见上述显示设备的实施例的工作过程,在此不过赘述。
基于同一发明构思,本申请中一些实施例中的驱动方法,可以包括:在外部装置接口输入的数据信号为设定数据格式的数据信号时,对数据信号进行降采样处理后,控制显示器进行显示。需要说明的是,该驱动方法的实施过程,可以参见上述显示设备的实施例的工作过程,在此不过赘述。
基于同一发明构思,本申请中一些实施例中的驱动方法,可以包括:在外部设备接入显示设备,且与第一控制模块电连接时,通过第一控制模块向第二控制模块的响应引脚输入设备接入指令。以及,在外部设备拔出显示设备,且与第一控制模块断开时,通过第一控制模块向第二控制模块的响应引脚输入设备拔出指令。需要说明的是,该驱动方法的实施过程,可以参见上述显示设备的实施例的工作过程,在此不过赘述。
基于同一发明构思,本申请中一些实施例中的驱动方法,可以包括:响应于输入响应引脚的设备接入指令,控制显示器显示设备接入UI界面。以及,响应于输入响应引脚的设备拔出指令,控制显示器显示设备拔出UI界面。需要说明的是,该驱动方法的实施过程,可以参见上述显示设备的实施例的工作过程,在此不过赘述。
以上各实施例仅用以说明本申请的技术方案,而非对其限制;尽管参照前述各实施例对本申请进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。
为了方便解释,已经结合具体的实施方式进行了上述说明。但是,上述示例性的讨论不是意图穷尽或者将实施方式限定到上述公开的具体形式。根据上述的教导,可以得到多 种修改和变形。上述实施方式的选择和描述是为了更好的解释原理以及实际的应用,从而使得本领域技术人员更好的使用所述实施方式以及适于具体使用考虑的各种不同的变形的实施方式。

Claims (9)

  1. 一种显示设备,其特征在于,包括:
    显示器,被配置为显示用户界面;
    外部装置接口,被配置为与外部设备进行数据传输;
    控制器,被配置为从所述外部装置接口接收所述外部设备输入的数据信号后,控制所述显示器显示视频时序信息用户界面。
  2. 如权利要求1所述的显示设备,其特征在于,所述控制器包括:
    第一控制模块,被配置为从所述外部装置接口接收所述外部设备输入的数据信号,并存储所述数据信号对应的视频时序信息;
    第二控制模块,被配置为获取所述第一控制模块中存储的视频时序信息,并基于获取的所述视频时序信息和设定数据格式对应的视频时序信息,控制所述显示器显示视频时序信息用户界面。
  3. 如权利要求2所述的显示设备,其特征在于,所述第二控制模块进一步被配置为:
    接收所述外部设备经所述第一控制模块输入的数据信号;
    向所述第一控制模块发送视频时序获取指令,获取所述第一控制模块中存储的视频时序信息;
    在获取到的视频时序信息为所述设定数据格式对应的视频时序信息时,判断本次从所述第一控制模块中获取到的视频时序信息与上一次插入所述外部设备时存储的视频时序信息是否一致;
    若是,则直接基于上一次插入所述外部设备时存储的视频时序信息,控制所述显示器显示视频时序信息用户界面;
    若否,则将存储的视频时序信息更新为本次从所述第一控制模块中获取的视频时序信息,并基于本次从所述第一控制模块中获取的视频时序信息,控制所述显示器显示视频时序信息用户界面。
  4. 如权利要求3所述的显示设备,其特征在于,所述第二控制模块还被配置为:
    在获取到的视频时序信息不为所述设定数据格式对应的视频时序信息时,获取本次从所述第一控制模块接收到的数据信号的视频时序信息;
    判断本次从所述第一控制模块接收到的数据信号的视频时序信息与上一次插入所述外部设备时存储的视频时序信息是否一致;
    若是,则直接基于上一次插入所述外部设备时存储的视频时序信息,控制所述显示器显示视频时序信息用户界面;
    若否,则将存储的视频时序信息更新为本次从所述第一控制模块接收到的数据信号的视频时序信息,并基于本次从所述第一控制模块接收到的数据信号的视频时序信息,控制所述显示器显示视频时序信息用户界面。
  5. 一种显示设备,其特征在于,所述显示设备包括:
    显示器,被配置为显示用户界面;
    外部装置接口,被配置为与外部设备进行数据传输;
    控制器,被配置为:
    在所述外部设备接入时,根据预先存储的端口定义信息,确定所述外部设备的接入模 式;
    当确定所述外部设备的接入模式为第一接入模式时,基于存储的从所述外部装置接口接收的所述外部设备输入的数据信号的视频时序信息和设定数据格式对应的视频时序信息,控制所述显示器显示视频时序信息用户界面;
    当确定所述外部设备的接入模式为第二接入模式时,基于从所述外部装置接口接收的所述外部设备输入的数据信号的视频时序信息,控制所述显示器显示视频时序信息用户界面。
  6. 如权利要求5所述的显示设备,其特征在于,所述控制器包括:
    第一控制模块,被配置为当确定所述外部设备的接入模式为第一接入模式时,从所述外部装置接口接收所述外部设备输入的数据信号,并存储所述数据信号对应的视频时序信息;
    第二控制模块,被配置为:
    当确定所述外部设备的接入模式为第一接入模式时,获取所述第一控制模块中存储的视频时序信息,并基于获取的所述视频时序信息和设定数据格式对应的视频时序信息,控制所述显示器显示视频时序信息用户界面;
    当确定所述外部设备的接入模式为第二接入模式时,从所述外部装置接口接收所述外部设备输入的数据信号,并基于从所述外部装置接口接收的所述外部设备输入的数据信号的视频时序信息,控制所述显示器显示视频时序信息用户界面。
  7. 如权利要求6所述的显示设备,其特征在于,所述第二控制模块进一步被配置为:
    当确定所述外部设备的接入模式为第二接入模式时,确定从所述外部装置接口接收的所述外部设备输入的数据信号的视频时序信息;
    判断本次接收到的数据信号的视频时序信息与存储的上一次插入所述外部设备时接收到的数据信号的视频时序信息是否一致;
    若是,则直接基于上一次插入所述外部设备时存储的视频时序信息,控制所述显示器显示视频时序信息用户界面;
    若否,则将存储的视频时序信息更新为本次接收到的数据信号的视频时序信息,并基于本次接收到的数据信号的视频时序信息,控制所述显示器显示视频时序信息用户界面。
  8. 一种驱动方法,其特征在于,包括:
    从所述外部装置接口接收所述外部设备输入的数据信号后,控制所述显示器显示视频时序信息用户界面。
  9. 如权利要求8所述的驱动方法,其特征在于,所述从所述外部装置接口接收所述外部设备输入的数据信号后,控制所述显示器显示视频时序信息用户界面,包括:
    从所述外部装置接口接收所述外部设备输入的数据信号,并存储所述数据信号对应的视频时序信息;
    获取所述第一控制模块中存储的视频时序信息;
    基于获取的所述视频时序信息和设定数据格式对应的视频时序信息,控制所述显示器显示视频时序信息用户界面。
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