WO2023226795A1 - 显示模组及其控制方法、显示装置 - Google Patents

显示模组及其控制方法、显示装置 Download PDF

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Publication number
WO2023226795A1
WO2023226795A1 PCT/CN2023/093973 CN2023093973W WO2023226795A1 WO 2023226795 A1 WO2023226795 A1 WO 2023226795A1 CN 2023093973 W CN2023093973 W CN 2023093973W WO 2023226795 A1 WO2023226795 A1 WO 2023226795A1
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WIPO (PCT)
Prior art keywords
display
handshake
signal
display controller
controller
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PCT/CN2023/093973
Other languages
English (en)
French (fr)
Inventor
罗雯倩
任璟睿
盖欣
贾媛
张玉佳
冯天一
耿伟彪
李芳林
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2023226795A1 publication Critical patent/WO2023226795A1/zh

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters

Definitions

  • Embodiments of the present disclosure relate to, but are not limited to, the field of display technology. Specifically, the present disclosure relates to a display module, a control method thereof, and a display device.
  • the display module does not have specific settings for the overall driver architecture, which will cause any display controller corresponding to the resolution (the display controller can be SOC, System On Chip) to support the normal display of the display module screen, unable to Meet customized needs for display controllers.
  • the display controller can be SOC, System On Chip
  • the current display module can support all display controllers and cannot meet the customized needs of users.
  • Exemplary embodiments of the present disclosure provide a display module, including: a timing controller;
  • the timing controller includes an identification unit and a determination unit
  • the identification unit is connected to the display controller and is configured to receive a control signal sent by the display controller, identify the control signal, and output a first feedback signal to the display controller when the control signal is identified as a handshake signal.
  • the display controller, the first feedback signal is used to trigger the display controller to send handshake parameters;
  • the determining unit is connected to the display controller and is configured to: receive a signal from the display controller.
  • the handshake parameters sent are judged whether the handshake parameters match the handshake parameters prestored by the determination unit. When they match, the handshake is determined to be successful and a second feedback signal is output to the display controller. The second feedback signal is used To trigger the display controller to send a video signal; when there is a mismatch, it is determined that the handshake failed.
  • the handshake signal is a high level signal
  • the identification unit is configured to: identify the control signal, and when identifying that the control signal is the high-level signal, output a first feedback signal to the display controller.
  • the handshake parameters include encryption commands and register addresses
  • the determination unit is configured to: determine whether the encryption command is consistent with the pre-stored encryption command, and determine whether the register address is consistent with the pre-stored register address. When both are consistent, it is determined that the handshake is successful; when either of the two is consistent, the handshake is determined to be successful. As long as one of them is inconsistent, it is determined that the handshake failed.
  • it further includes: a source driver, a gate driver and a display panel;
  • the timing controller also includes a video unit
  • the video unit is connected to the display controller and configured to: receive a video signal sent by the display controller, and based on the video signal, output a display signal to the source driver, and output a gate control signal to the gate driver;
  • the display panel is configured to display under the driving of the source driver and the gate driver.
  • the source driver includes a clock embedded differential signal CEDS interface, and the timing controller communicates with the source driver through the CEDS interface.
  • the display panel includes a display area and a non-display area
  • the source driver is configured to output data signals to the display area
  • the gate driver is configured to output a scan signal to the display area.
  • the source driver includes at least one driving circuit board and at least one source driving module;
  • the gate driver includes a first gate driving circuit and a second gate driving circuit.
  • the timing controller further includes a control interface, a communication interface and a video interface;
  • the identification unit is connected to the display controller through the control interface
  • the determination unit is connected to the display controller through the communication interface
  • the video unit is connected to the display controller through the video interface.
  • the video interface includes a VBO interface.
  • the timing controller further includes a storage unit
  • the storage unit is configured to: store the pre-stored encryption command and store the pre-stored register address.
  • the storage unit includes a non-volatile memory, and the non-volatile memory includes a FLASH memory.
  • Exemplary embodiments of the present disclosure provide a display device, including: a display controller and any of the above display modules;
  • the display controller is configured to: send a control signal to the timing controller of the display module, and after receiving the first feedback signal, send handshake parameters to the timing controller; and after receiving After receiving the second feedback signal, a video signal is sent to the timing controller for identification.
  • it further includes: a central processor; the central processor is connected to the display controller;
  • the display controller is configured to: receive handshake parameters sent by the central processor, and send the received handshake parameters to the timing controller;
  • the display controller is further configured to receive a video signal sent by the central processor and send the received video signal to the timing controller.
  • Exemplary embodiments of the present disclosure provide a control method for a display module, which can be applied to any of the above display modules, including:
  • Receive the handshake parameters sent by the display controller determine whether the handshake parameters match the pre-stored handshake parameters, and when they match, determine that the handshake is successful, and output a second feedback signal to the display controller, the second feedback The signal is used to trigger the display controller to send a video signal; when there is a mismatch, it is determined that the handshake failed.
  • identifying the control signal, and when the control signal is identified as a handshake signal, outputting a first feedback signal to the display controller includes:
  • Identify the control signal and when the control signal is identified as a high level signal, output a first feedback signal to the display controller.
  • the handshake parameters include an encrypted command and a register address, and it is judged whether the handshake parameters match pre-stored handshake parameters. When they match, it is determined that the handshake is successful, and a second feedback signal is output to
  • the display controller includes:
  • the step is to determine whether the encryption command is consistent with a pre-stored encryption command, and to determine whether the register address is consistent with a pre-stored register address. When both are consistent, it is determined that the handshake is successful, and outputting a second feedback signal to the display controller, including:
  • it also includes:
  • the screen is displayed under the driver.
  • the handshake parameters include encrypted commands and register addresses, and determining whether the handshake parameters match pre-stored handshake parameters. When they do not match, determining that the handshake fails includes:
  • Exemplary embodiments of the present disclosure also provide a non-transitory computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are used to execute any of the above control methods of the display module.
  • Figure 1 is a schematic frame diagram of a display device provided by an exemplary embodiment of the present disclosure
  • Figure 2 is a schematic frame diagram of another display device provided by an exemplary embodiment of the present disclosure.
  • Figure 3 is a schematic frame diagram of yet another display device provided by an exemplary embodiment of the present disclosure.
  • Figure 4 is a schematic flowchart of a control method for a display module provided by an exemplary embodiment of the present disclosure
  • Figure 5 is a schematic flowchart of another control method for a display module provided by an exemplary embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of yet another display module control method provided by an exemplary embodiment of the present disclosure.
  • Exemplary embodiments of the present disclosure provide a display module 1.
  • the display module 1 includes a timing controller 11, and the timing controller 11 includes an identification unit 111 and a determination unit 112.
  • the identification unit 111 is connected to the display controller 2 and is configured to receive a control signal sent by the display controller 2, identify the control signal, and output the first feedback when the control signal is identified as a handshake signal.
  • the signal is sent to the display controller 2, and the first feedback signal is used to trigger the display controller 2 to send handshake parameters.
  • the determination unit 112 is connected to the display controller 2 and is configured to receive the handshake parameters sent by the display controller 2, determine whether the handshake parameters match the handshake parameters prestored by the determination unit 112, and when they match, determine that the handshake is successful, and output a second feedback signal. To the display controller 2, the second feedback signal is used to trigger the display controller 2 to send a video signal. When there is a mismatch, it is determined that the handshake failed.
  • Whether the handshake parameters sent by the display controller 2 match the handshake parameters prestored by the determination unit 112 may include whether the handshake parameters and the prestored handshake parameters correspond to each other, are complementary, or are identical. Etc., as long as the handshake parameters and the pre-stored handshake parameters match each other, the exemplary embodiments of the present disclosure do not limit this.
  • the display controller 2 includes a system on chip (SOC, System On Chip).
  • SOC System on Chip
  • the display controller 2 may be integrated with the display module 1 or may be provided separately, which is not limited in the exemplary embodiments of the present disclosure.
  • the display module 1 provided by the exemplary embodiment of the present disclosure includes a timing controller 11 on which an identification unit 111 and a determination unit 112 are provided.
  • the identification unit 111 identifies whether a handshake signal is received. When it is identified that a handshake signal is received, a first feedback signal for triggering the display controller to send handshake parameters is output to the display controller.
  • the determination unit 112 receives the handshake parameters sent by the display controller, and determines that the handshake is successful when the handshake parameters match the handshake parameters prestored by the determination unit 112; after the handshake is successful, the determination unit 112 outputs a second feedback signal to the display controller, and the second feedback signal Used to trigger the display controller to send video signals.
  • the display controller 2 can communicate with the central processor 3.
  • the display module 1 can enter normal display. That is to say, the display module provided by the embodiment of the present application does not support all display controllers.
  • the display controller that can realize the above interaction can perform normal display communication with the display module, thereby meeting the customized needs of customers.
  • the handshake signal is a high level signal.
  • the identification unit 111 is configured to identify the control signal, and when the control signal is identified as a high-level signal, output the first feedback signal to the display controller 2 .
  • handshake parameters include encrypted commands and register addresses.
  • the determination unit 112 is configured to determine whether the encryption command is consistent with the pre-stored encryption command, and determine whether the register address is consistent with the pre-stored register address. When both are consistent, it is determined that the handshake is successful; when only one of the two is inconsistent, it is determined Handshake failed.
  • the determining unit 112 after determining that the handshake is successful, the determining unit 112 outputs a second feedback signal to the display controller 2 , and after determining that the handshake fails, it does not output a signal or outputs a third feedback signal to the display controller 2 . After the display controller 2 fails to receive the signal or receives the third feedback signal, it determines not to send the video signal to the timing controller 11 .
  • the prestored encryption command may be 0x01, for example.
  • other encryption commands may also be used, and the exemplary embodiments of the present disclosure are not limited thereto.
  • the display module 1 further includes a source driver 12 , a gate driver 14 and a display panel 13 , and the timing controller 11 includes a video unit 113 .
  • the video unit 113 is connected to the display controller 2 and is configured to receive a video signal sent by the display controller 2 and, based on the video signal, output a display signal to the source driver 12 and a gate control signal to the gate driver 14 .
  • the display panel 13 is configured to display under the driving of the source driver 12 and the gate driver 14 .
  • the source driver 12 includes a CEDS (Clock-Embedded Differential Signaling) interface, and the timing controller 11 is electrically connected to the source driver 12 through the CEDS interface.
  • CEDS Chip-Embedded Differential Signaling
  • the video unit 113 of the timing controller 11 outputs a display signal to the source driver 12 and a gate control signal to the gate driver 14 based on the received video signal.
  • the timing controller 11 also includes a control interface 114 , a communication interface 115 and a video interface 116 .
  • the identification unit 111 is connected to the display controller 2 through the control interface 114 , the determination unit 112 is connected to the display controller 2 through the communication interface 115 , and the video unit 113 is connected to the display controller 2 through the video interface 116 .
  • communication interface 115 includes an I2C interface.
  • video interface 116 includes a VBO interface.
  • VBO is vedio-by-one, which has fast transmission speed and can greatly reduce wiring on PCB (Printed Circuit Board).
  • VBO is a signal protocol between the central processor 3, the display controller 2 and the timing controller 11. Exemplary embodiments of the present disclosure can be used for large-size and high-resolution display panels by using a VBO interface.
  • the timing controller 11 includes a timing control chip, and the timing controller 11 includes a timing control chip.
  • the control chip includes a control pin, and the control pin is electrically connected to the control interface 114.
  • the control interface 114 receives the high-level signal sent by the display controller 2, the voltage of the control interface 114 can be pulled up, and then the control pin The voltage is pulled up.
  • the identification unit 111 identifies the control signal as a handshake signal and outputs the first feedback signal to the display controller 2 .
  • the voltage of the control interface 114 may be pulled up to 3.3V (volts).
  • the timing controller 11 further includes a storage unit 117 .
  • the storage unit 117 is configured to store the prestored encryption command, and to store the prestored register address.
  • the storage unit 117 may be external or built-in, which is not limited by the exemplary embodiments of the present disclosure. As shown in FIGS. 2 and 3 , the storage unit 117 is an external storage unit, and the storage unit 117 is electrically connected to the determination unit 112 through the communication interface 115 .
  • the storage unit 117 includes a non-volatile memory, and the non-volatile memory includes a FLASH memory.
  • the storage unit 117 is also configured to store the encrypted command sent by the display controller 2 and the register address. In addition, the storage unit 117 may also be configured to store the program code in the timing controller 11 .
  • the display panel 13 further includes a display area 131 and a non-display area 132 .
  • the source driver 12 is configured to output data signals to a plurality of pixel units in the display area 131 of the display panel 13 .
  • the gate driver 14 is configured to output scanning signals to a plurality of pixel units in the display area 131 of the display panel 12 .
  • the source driver 12 includes at least one driving circuit board 121 and at least one source driving module 122 .
  • the source driver 12 includes four driving circuit boards 121 and 12 source driving modules 122 .
  • Each drive circuit board 121 is electrically connected to three source drive modules 122.
  • the two drive circuit boards 121 on the left are connected through a connector, and the two drive circuit boards 121 on the right are connected through another connector.
  • the pieces are connected.
  • the exemplary embodiment of the present disclosure No restrictions.
  • the gate driver 14 includes a first gate driving circuit 141 and a second gate driving circuit 142 .
  • the first gate driving circuit 141 and the second gate driving circuit 142 are located in the non-display area 132 of the display panel 13 and on both sides of the display area 131 .
  • the gate driver 14 may also be located in the non-display area 132 and on one side of the display area 131 .
  • the gate driver 14 may be located on the left or right side of the display area 131, which is not particularly limited in exemplary embodiments of the present disclosure.
  • both the first gate driving circuit 141 and the second gate driving circuit 142 are GOA (Gate on Array) circuits.
  • the display controller 2 needs to write a specific value to the timing controller 11 through the IIC protocol before the screen can be displayed normally. value, the screen will always be in the blackout and so on screen; the corresponding screen can only use the customer's display controller 2, and if other display controller 2 is used, the screen will always be in the blackout and so on screen.
  • the display controller 2 and the central processor 3 can be connected by wire or wirelessly.
  • the display device is powered on normally, that is, the power supply supplies power to the central processor 3, the display controller 2 and the display module 1 according to the corresponding timing.
  • the central processor 3 does not output a signal to the display module 1, and the display module 1 will Display with default screen.
  • the preset screen can be a set default screen, a black screen, a black screen or other screens.
  • the display controller 2 sends a control signal to raise the voltage of the control interface 114 of the timing controller 11 in the display module 1, and the identification unit 111 of the timing controller 11 recognizes that the central processor 1 is about to give a handshake at this time. signal, and outputs the first feedback signal to the display controller 2.
  • the central processing unit 1 receives the first feedback signal through the display controller 2. Based on the first feedback signal, the central processing unit 1 sends the encryption command and register address set in advance to the timing controller 11 through the display controller 2. .
  • the determination unit 112 of the timing controller 11 receives the display Display the encrypted command and register address sent by the display controller 2, and determine whether the encrypted command and register address sent by the display controller 2 are consistent with the encrypted command and prestored register address prestored by the timing controller 11. When both are consistent, then It is determined that the handshake is successful, and the second feedback signal is output to the display controller 2; when only one of the two is inconsistent, it is determined that the handshake failed.
  • the central processor 1 receives the second feedback signal through the display controller 2, and the central processor 2 sends the video signal to the display controller 2 based on the second feedback signal, and sends the video signal to the timing sequence through the display controller 2.
  • Controller 11. The timing controller 11 outputs a display signal to the source driver 12 and a gate control signal to the gate driver 14.
  • the display panel 13 displays a normal picture under the driving of the source driver 12 and the gate driver 14.
  • the control interface 111 of the timing controller 11 does not have the process of raising the voltage, and the encrypted command and register address sent by the display controller 2 are inconsistent with one or both of the encrypted command and the prestored register address pre-stored by the timing controller 11. Or the control interface 111 of the timing controller 11 does not have the process of raising the voltage, and the encryption command and register address sent by the display controller 2 are inconsistent with one or both of the encryption command and the prestored register address of the timing controller 11 If they are inconsistent, there is no handshake process between the display controller 2 and the timing controller 11 or the handshake fails, and the display module 1 will display the default screen.
  • the preset screen can be a set default screen, a black screen, a black screen or other screens.
  • the display module provided by the embodiment of the present disclosure does not support all display controllers.
  • a display controller that can realize the above interaction can perform normal display communication with the display module and can meet the user's customized needs.
  • Exemplary embodiments of the present disclosure provide a display device.
  • the display device includes a display controller 2 and a display module 1 provided in any of the above exemplary embodiments;
  • the display controller 2 is configured to send a control signal to the timing controller 11, and after receiving the first feedback signal, send handshake parameters to the timing controller 11; and after receiving the second feedback signal, send a video signal to the timing controller Device 11;
  • the timing controller 11 is configured to receive the control signal and identify the control signal. When the control signal is identified as a handshake signal, output the first feedback signal to the display controller 2; and receive the handshake signal. Hand parameters, determine whether the handshake parameters match the handshake parameters prestored in the determination unit 112. When they match, it is determined that the handshake is successful, and a second feedback signal is output to the display controller 2; when they do not match, it is determined that the handshake failed.
  • the display device also includes a central processor 3, which is connected to the display controller 2; the central processor 3 can be connected to the display controller 2 via wires. Or connect wirelessly.
  • the wireless connection may be a communication connection or the like.
  • the display controller 2 is configured to receive the handshake parameters sent by the central processor 3 and send the received handshake parameters to the timing controller 11;
  • the display controller 2 is configured to receive the video signal sent by the central processor 3 and send the received video signal to the timing controller 11 .
  • Exemplary embodiments of the present disclosure provide a control method for the display module 1 as provided in any of the above embodiments.
  • the control method for the display module 1 includes:
  • S100 Receive the control signal sent by the display controller, and identify the control signal. When the control signal is recognized as a handshake signal, output a first feedback signal to the display controller. The first feedback signal is used to trigger the display controller to send handshake parameters;
  • S200 Receive the handshake parameters sent by the display controller, determine whether the handshake parameters match the pre-stored handshake parameters, and when they match, determine that the handshake is successful, and output a second feedback signal to the display controller.
  • the second feedback signal is used to trigger the display control.
  • the device sends a video signal; when there is a mismatch, it is determined that the handshake failed.
  • the flow chart of the control method of the display module in the exemplary embodiment of the present disclosure is shown in Figure 5.
  • the control method of the display module includes:
  • S1 Receive the control signal sent by the display controller; then execute S2.
  • the identification unit 111 in the timing controller 11 receives the control signal sent by the display controller.
  • S2 Identify the control signal and determine whether the recognized control signal is a handshake signal; when it is determined that the control signal is a handshake signal, execute S3. When it is determined that the control signal is not a handshake signal, S1 is executed again.
  • the identification unit 111 in the timing controller 11 identifies the control signal and determines whether the identified control signal is a handshake signal.
  • S3 Output the first feedback signal to the display controller, and the first feedback signal is used to trigger the display controller to send handshake parameters; then execute S4.
  • the identification unit 111 in the timing controller 11 outputs a first feedback signal to the display controller.
  • S4 Receive the handshake parameters sent by the display controller; then execute S5.
  • the determining unit 112 in the timing controller 11 receives the handshake parameters sent by the display controller.
  • S5 Determine whether the handshake parameters match the pre-stored handshake parameters; when they match, execute S6; when they do not match, execute S7.
  • the determination unit 112 in the timing controller 11 determines whether the handshake parameters match the pre-stored handshake parameters.
  • S6 Determine that the handshake is successful, and output a second feedback signal to the display controller.
  • the second feedback signal is used to trigger the display controller to send a video signal.
  • the determination unit 112 in the timing controller 11 determines whether the handshake is successful. If the handshake is successful, the determining unit 112 of the timing controller 11 outputs a second feedback signal to the display controller 2 .
  • Exemplary embodiments of the present disclosure provide a control method for a display module.
  • the display module is connected to a display controller, and the display controller is connected to a central processor. Before the display module enters normal display communication, it needs to communicate with an external central processor. A handshake is performed. After the handshake between the display module and the central processor is successful, the display module enters normal display communication.
  • the display module can perform normal display communication only after the handshake between the timing controller and the central processor is successful, which can meet the user's customized needs.
  • control signal is identified.
  • control signal is identified as a handshake signal
  • the first feedback signal is output to the display controller, including:
  • a second feedback signal is output to the display controller, including:
  • the second feedback signal includes two response signals.
  • control method of the display module further includes:
  • S8 Receive the video signal sent by the display controller, and based on the video signal, output the display signal to the source driver, and output the gate control signal to the gate driver, so that the display panel displays under the driving of the source driver and the gate driver. Normal screen.
  • determining whether the handshake parameters match pre-stored handshake parameters, and when they do not match, determining that the handshake failed includes:
  • the preset screen may be a set default screen, a black screen, a black screen, or other screens.
  • Exemplary embodiments of the present disclosure provide a display module.
  • the display module includes a timing controller, and an identification unit and a determination unit are provided on the timing controller.
  • the identification unit identifies whether a handshake signal is received. When the handshake signal is identified, a first feedback signal for triggering the display controller to send handshake parameters is output to the display controller.
  • the determination unit receives the handshake parameters sent by the display controller. When the handshake parameters match the handshake parameters prestored in the determination unit, it is determined that the handshake is successful. After the handshake is successful, a second feedback signal is output to the display controller, and the second feedback signal is used to trigger the display.
  • the controller sends the video signal.
  • the display controller can communicate with the central processor.
  • the display module can enter normal display communication. That is to say, the display module provided by the embodiment of the present disclosure does not support all display controllers.
  • the display controller that can realize the above interaction can perform normal display communication with the display module and can meet the user's customized needs.
  • computer storage media includes volatile and nonvolatile media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. removable, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital multiplex A functional disk (DVD) or other optical disk storage, magnetic cassette, tape, disk storage or other magnetic storage device, or any other medium that can be used to store the desired information and can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .
  • steps, measures, and solutions in the various operations, methods, and processes that have been discussed in this disclosure can be alternated, changed, combined, or deleted. Further, other steps, measures, and solutions in the various operations, methods, and processes that have been discussed in this disclosure may also be alternated, changed, rearranged, decomposed, combined, or deleted. Furthermore, the steps, measures, and solutions in the various operations, methods, and processes disclosed in the present disclosure in the prior art can also be replaced, changed, rearranged, decomposed, combined, or deleted.
  • first and second are used for descriptive purposes only and shall not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present disclosure, “plurality” means two or more unless otherwise specified.
  • connection should be understood in a broad sense.
  • connection or integral connection; it can be directly connected, or indirectly connected through an intermediary, or it can be internal connection between two components.
  • connection or integral connection; it can be directly connected, or indirectly connected through an intermediary, or it can be internal connection between two components.

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  • Physics & Mathematics (AREA)
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Abstract

显示模组(1)及其控制方法、显示装置。显示模组(1)包括时序控制器(11),其包括识别单元(111)和确定单元(112);识别单元(111)与外部的显示控制器(2)连接,设置成接收显示控制器(2)发送的控制信号,并识别控制信号,当识别出控制信号为握手信号时,输出第一反馈信号给显示控制器(2),第一反馈信号用于触发显示控制器(2)发送握手参数;确定单元(112)与显示控制器(2)连接,设置成接收显示控制器(2)发送的握手参数,判断握手参数与确定单元(112)预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给显示控制器(2),第二反馈信号用于触发显示控制器(2)发送视频信号,当不匹配时,确定握手失败。

Description

显示模组及其控制方法、显示装置
本申请要求于2022年5月24日提交中国专利局、申请号为202210573088.0、发明名称为“显示模组及其控制方法、显示装置”的中国专利申请的优先权,其内容应理解为通过引用的方式并入本申请中。
技术领域
本公开实施例涉及但不限于显示技术领域,具体而言,本公开涉及一种显示模组及其控制方法、显示装置。
背景技术
目前,显示模组对于整体驱动架构没有特定的设置,会导致任意一种对应分辨率的显示控制器(显示控制器可以为SOC,System On Chip)都能支持显示模组屏幕的正常显示,无法满足对显示控制器的定制化需求。
也就是说,目前的显示模组可以支持所有的显示控制器,无法满足用户的定制化需求。
发明内容
以下是对本公开详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本公开示例性实施例提供了一种显示模组,包括:时序控制器;
所述时序控制器包括识别单元和确定单元;
所述识别单元与显示控制器连接,设置成:接收所述显示控制器发送的控制信号,并识别所述控制信号,当识别出所述控制信号为握手信号时,输出第一反馈信号给所述显示控制器,所述第一反馈信号用于触发所述显示控制器发送握手参数;
所述确定单元与所述显示控制器连接,设置成:接收所述显示控制器发 送的握手参数,判断所述握手参数与所述确定单元预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给所述显示控制器,所述第二反馈信号用于触发所述显示控制器发送视频信号;当不匹配时,确定握手失败。
在一示例性的实施方式中,所述握手信号为高电平信号;
所述识别单元是设置成:识别所述控制信号,当识别出所述控制信号为所述高电平信号时,输出第一反馈信号给所述显示控制器。
在一示例性的实施方式中,所述握手参数包括加密命令和寄存器地址;
所述确定单元是设置成:判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功;当二者中只要有一者不一致时,确定握手失败。
在一示例性的实施方式中,还包括:源极驱动器、栅极驱动器和显示面板;
其中,所述时序控制器还包括视频单元;
所述视频单元与所述显示控制器连接,设置成:接收所述显示控制器发送的视频信号,并基于所述视频信号,输出显示信号至所述源极驱动器,以及输出栅极控制信号至所述栅极驱动器;
所述显示面板设置成:在所述源极驱动器和所述栅极驱动器的驱动下显示。
在一示例性的实施方式中,所述源极驱动器包括时钟内嵌差分信号CEDS接口,所述时序控制器通过所述CEDS接口与所述源极驱动器。
在一示例性的实施方式中,所述显示面板包括显示区和非显示区,
其中,所述源极驱动器设置成输出数据信号至所述显示区;
所述栅极驱动器设置成输出扫描信号至所述显示区。
在一示例性的实施方式中,所述源极驱动器包括至少一个驱动电路板和至少一个源极驱动模块;
所述栅极驱动器包括第一栅极驱动电路和第二栅极驱动电路。
在一示例性的实施方式中,所述时序控制器还包括控制接口、通信接口和视频接口;
其中,所述识别单元通过所述控制接口与所述显示控制器连接;
所述确定单元通过所述通信接口与所述显示控制器连接;
所述视频单元通过所述视频接口与所述显示控制器连接。
在一示例性的实施方式中,所述视频接口包括VBO接口。
在一示例性的实施方式中,所述时序控制器还包括存储单元;
其中,所述存储单元设置成:存储所述预存的加密命令,以及存储所述预存的寄存器地址。
在一示例性的实施方式中,所述存储单元包括非易失存储器,所述非易失存储器包括FLASH存储器。
本公开示例性实施例提供了一种显示装置,包括:显示控制器和上述任意的显示模组;
所述显示控制器,设置成:发送控制信号给所述显示模组的所述时序控制器,并在接收到所述第一反馈信号后,发送握手参数给所述时序控制器;以及在接收到所述第二反馈信号后发送视频信号给所述时序控制器识别出。
在一示例性的实施方式中,还包括:中央处理器;所述中央处理器与所述显示控制器连接;
所述显示控制器设置成:接收所述中央处理器发送的握手参数,并将接收到的所述握手参数发送给所述时序控制器;
所述显示控制器还设置成:接收所述中央处理器发送的视频信号,并将接收到的所述视频信号发送给所述时序控制器。
本公开示例性实施例提供了一种显示模组的控制方法,应用于上述任意的显示模组,包括:
接收显示控制器发送的控制信号,并识别所述控制信号,当识别出所述控制信号为握手信号时,输出第一反馈信号给所述显示控制器,所述第一反馈信号用于触发所述显示控制器发送握手参数;
接收所述显示控制器发送的握手参数,判断所述握手参数与预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给所述显示控制器,所述第二反馈信号用于触发所述显示控制器发送视频信号;当不匹配时,确定握手失败。
在一示例性的实施方式中,所述识别所述控制信号,当识别出所述控制信号为握手信号时,输出第一反馈信号给所述显示控制器,包括:
识别所述控制信号,当识别出所述控制信号为高电平信号时,输出第一反馈信号给所述显示控制器。
在一示例性的实施方式中,所述握手参数包括加密命令和寄存器地址,所述判断所述握手参数与预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给所述显示控制器,包括:
判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功,并输出第二反馈信号给所述显示控制器。
在一示例性的实施方式中,所述判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者均一致时,则确定握手成功,并输出第二反馈信号给所述显示控制器,包括:
接收所述显示控制器发送的寄存器地址;
判断所述寄存器地址与预存的寄存器地址是否一致,当一致时,发送应答信号给所述显示控制器;
接收所述显示控制器发送的加密命令,并将所述加密命令存储在所述寄存器地址对应的寄存器;
判断所述加密命令与预存的加密命令是否一致,当一致时,确定握手成功,发送应答信号给所述显示控制器。
在一示例性的实施方式中,还包括:
接收所述显示控制器发送的视频信号,并基于所述视频信号,输出显示信号至源极驱动器,以及输出栅极控制信号至栅极驱动器,使得显示面板在所述源极驱动器和栅极驱动器的驱动下显示画面。
在一示例性的实施方式中,所述握手参数包括加密命令和寄存器地址,所述判断所述握手参数与预存的握手参数是否匹配,当不匹配时,确定握手失败,包括:
判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者中只要有一者不一致时,确定握手失败,输出第三反馈信号或不输出反馈信号给所述显示控制器,使得显示面板显示预设画面。
本公开示例性实施例还提供了一种非瞬态计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令用于执行上述任意的显示模组的控制方法。
在阅读并理解了附图和详细描述后,可以明白其他方面。
附图说明
图1为本公开示例性实施例提供的一种显示装置的框架示意图;
图2为本公开示例性实施例提供的另一种显示装置的框架示意图;
图3为本公开示例性实施例提供的又一种显示装置的框架示意图;
图4为本公开示例性实施例提供的一种显示模组的控制方法的流程示意图;
图5为本公开示例性实施例提供的另一种显示模组的控制方法的流程示意图;
图6为本公开示例性实施例提供的又一种显示模组的控制方法的流程示意图。
具体实施方式
下面结合附图和实施例对本公开的具体实施方式作进一步详细描述。以下实施例用于说明本公开,但不用来限制本公开的范围。在不冲突的情况下,本公开中的实施例及实施例中的特征可以相互任意组合。
下面详细描述本公开,本公开的实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的部件或具有相同或类似功能的部件。此外,如果已知技术的详细描述对于示出的本公开的特征是不必要的,则将其省略。
本技术领域技术人员可以理解,除非另外定义,本公开使用的所有术语,包括技术术语和科学术语,具有与本公开所属领域中的普通技术人员的一般理解相同的意义。诸如通用字典中定义的那些术语,应该被理解为具有与现有技术的上下文中的意义一致的意义,并且除非像这里一样被特定定义,否则不会用理想化或过于正式的含义来解释。
本技术领域技术人员可以理解,除非特意声明,这里使用的单数形式“一”、“一个”、“所述”和“该”也可包括复数形式。本公开的说明书中使用的措辞“包括”是指存在所述特征、整数、步骤、操作、元件和/或组件,但是并不排除存在或添加一个或多个其他特征、整数、步骤、操作、元件、组件和/或它们的组。当称元件被“连接”或“耦接”到另一元件时,它可以直接连接或耦接到其他元件,或者也可以存在中间元件。此外,这里使用的“连接”或“耦接”可以包括无线连接或无线耦接。这里使用的措辞“和/或”包括一个或更多个相关联的列出项的全部或任一单元和全部组合。
本公开示例性实施例提供了一种显示模组1,如图1所示,显示模组1包括时序控制器11,时序控制器11包括识别单元111和确定单元112。
在一示例性的实施方式中,识别单元111与显示控制器2连接,设置成接收显示控制器2发送的控制信号,并识别控制信号,当识别出控制信号为握手信号时,输出第一反馈信号给显示控制器2,第一反馈信号用于触发显示控制器2发送握手参数。
确定单元112与显示控制器2连接,设置成接收显示控制器2发送的握手参数,判断握手参数与确定单元112预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给显示控制器2,第二反馈信号用于触发显示控制器2发送视频信号,当不匹配时,确定握手失败。
显示控制器2发送的握手参数与确定单元112预存的握手参数是否匹配,可以包括该握手参数与预存的握手参数是否一一对应、互补、或者一 致等等,只要握手参数与预存的握手参数是相互匹配的即可,本公开示例性实施例对此不做限定。
在一示例性的实施方式中,显示控制器2包括片上系统(SOC,System On Chip)。
显示控制器2可以与显示模组1集成到一起,也可以分开设置,本公开示例性实施例对此不做限定。
本公开示例性实施例提供的显示模组1包括时序控制器11,在时序控制器11上设置识别单元111和确定单元112。通过识别单元111识别是否接收到握手信号,当识别出接收到握手信号时,输出用于触发显示控制器发送握手参数的第一反馈信号给显示控制器。确定单元112接收显示控制器发送的握手参数,当握手参数与确定单元112预存的握手参数匹配时,确定握手成功;握手成功后确定单元112输出第二反馈信号给显示控制器,第二反馈信号用于触发显示控制器发送视频信号。显示控制器2可以与中央处理器3通信连接,时序控制器11与中央处理器3握手成功后,显示模组1能够进入正常显示。也就是说,本申请实施例提供的显示模组不支持所有的显示控制器,能够实现上述交互的显示控制器能够与显示模组进行正常显示通信,从而满足客户的定制化需求。
在一些示例性的实施例中,握手信号为高电平信号。识别单元111设置成识别控制信号,当识别出控制信号为高电平信号时,输出第一反馈信号给显示控制器2。
在一些示例性的实施例中,握手参数包括加密命令和寄存器地址。确定单元112设置成判断加密命令与预存的加密命令是否一致,以及判断寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功;当二者中只要有一者不一致时,确定握手失败。
在一示例性的实施方式中,确定单元112在确定握手成功后,输出第二反馈信号给显示控制器2,在确定握手失败后,不输出信号或者输出第三反馈信号给显示控制器2。显示控制器2接收不到信号或者接收到第三反馈信号后,确定不发送视频信号给时序控制器11。
在一个示例性的实施方式中,预存的加密命令例如可以为0x01。当然,还可以为其他的加密命令,本公开示例性实施例对此不做限定。
在一些示例性的实施例中,如图1或图2所示,显示模组1还包括源极驱动器12、栅极驱动器14和显示面板13,时序控制器11包括视频单元113。
视频单元113与显示控制器2连接,设置成接收显示控制器2发送的视频信号,并基于视频信号,输出显示信号至源极驱动器12,以及输出栅极控制信号至栅极驱动器14。
显示面板13设置成在源极驱动器12和栅极驱动器14的驱动下显示。
在一示例性的实施方式中,源极驱动器12包括CEDS(Clock-Embedded Differential Signaling,时钟内嵌差分信号)接口,时序控制器11通过CEDS接口与源极驱动器12电连接,本公开实施例通过采用CEDS接口,可以用于大尺寸高分辨率的显示面板。
在一个示例性的实施例中,时序控制器11的视频单元113基于接收到的视频信号,输出显示信号至源极驱动器12,以及输出栅极控制信号至栅极驱动器14。
在一些实施例中,如图2所示,时序控制器11还包括控制接口114、通信接口115和视频接口116。
识别单元111通过控制接口114与显示控制器2连接,确定单元112通过通信接口115与显示控制器2连接,视频单元113通过视频接口116与显示控制器2连接。
在一示例性的实施方式中,通信接口115包括I2C接口。
在一示例性的实施方式中,视频接口116包括VBO接口。VBO即vedio-by-one,传输速度快,可以大大减少在PCB(Printed Circuit Board,印制电路板)布线。VBO是中央处理器3、显示控制器2与时序控制器11之间的信号协议。本公开示例性的实施例通过采用VBO接口,可以用于大尺寸高分辨率的显示面板。
在一示例性的实施方式中,时序控制器11包括时序控制芯片,时序 控制芯片包括控制引脚,控制引脚与控制接口114电连接,当控制接口114接收到显示控制器2发送的高电平信号时,可以将控制接口114的电压拉高,进而将控制引脚的电压拉高。当控制引脚的电压被拉高时,识别单元111识别出控制信号为握手信号,输出第一反馈信号给显示控制器2。例如,可以将控制接口114的电压拉高至3.3V(伏)。
在一些示例性的实施例中,如图2所示,时序控制器11还包括存储单元117。存储单元117设置成存储预存的加密命令,以及存储预存的寄存器地址。
在一示例性的实施方式中,存储单元117可以外置,也可以内置,本公开示例性的实施例对此不做限定。如图2和图3所示,该存储单元117为外置的存储单元,存储单元117通过通信接口115与确定单元112电连接。
在一示例性的实施方式中,存储单元117包括非易失存储器,非易失存储器包括FLASH存储器。
在一示例性的实施方式中,存储单元117还设置成存储显示控制器2发送的加密命令,以及寄存器地址。此外,存储单元117还可以设置成存储时序控制器11中的程序代码。
在一示例性的实施方式中,如图1至图3所示,显示面板13还包括显示区131和非显示区132。源极驱动器12设置成输出数据信号至显示面板13的显示区131的多个像素单元。栅极驱动器14设置成输出扫描信号至显示面板12的显示区131的多个像素单元。
在一示例性的实施方式中,源极驱动器12包括至少一个驱动电路板121和至少一个源极驱动模块122。
如图2所示,在一个示例性的实施例中,源极驱动器12包括4个驱动电路板121和12个源极驱动模块122。每个驱动电路板121均与3个源极驱动模块122电连接,左侧的两个驱动电路板121之间通过一个连接件相连,右侧的两个驱动电路板121之间通过另一个连接件相连。其中,对于驱动电路板121和源极驱动模块122的数量,本公开示例性的实施例 不做限定。
如图3所示,在一个示例性的实施例中,栅极驱动器14包括第一栅极驱动电路141和第二栅极驱动电路142,第一栅极驱动电路141和第二栅极驱动电路142均位于显示面板13的非显示区132,且位于显示区131的两侧。在一示例性的实施方式中,栅极驱动器14也可以位于非显示区132,且位于显示区131的一侧。例如,栅极驱动器14可以位于显示区131的左侧或右侧,本公开示例性的实施例对此不做特别的限定。在一示例性的实施方式中,第一栅极驱动电路141和第二栅极驱动电路142均为GOA(Gate on Array)电路。
为配合客户定制屏幕使用定制系统的需求,显示模组1的屏幕在正常显示前,需要显示控制器2通过IIC协议为时序控制器11写入特定值后屏幕才能正常显示,如果不写入特定值,屏幕会一直处于插黑等画面;使对应屏幕只能使用客户的显示控制器2,使用其它显示控制器2屏幕会一直处于插黑等画面。
下面结合图1,详细说明本公开实施例中的显示模组1如何实现上述功能。
显示控制器2与中央处理器3(也可称为前端处理器)可以有线或无线连接。
首先,显示装置正常上电,即电源给中央处理器3、显示控制器2和显示模组1按照相应时序供电,此时中央处理器3没有输出信号到显示模组1,显示模组1将以预设画面显示。其中,预设画面可以为设定的默认画面,插黑画面,黑屏或者其他画面。
然后,显示控制器2发送控制信号,将显示模组1中的时序控制器11的控制接口114的电压拉高,时序控制器11的识别单元111识别出此时中央处理器1要给出握手信号,输出第一反馈信号给显示控制器2。
然后,中央处理器1通过显示控制器2接收到第一反馈信号,中央处理器1基于第一反馈信号,通过显示控制器2将提前设定好的加密命令和寄存器地址发出给时序控制器11。时序控制器11的确定单元112收到显 示控制器2发送的加密命令和寄存器地址,并判断显示控制器2发送的加密命令和寄存器地址与时序控制器11预存的加密命令和预存的寄存器地址是否一致,当二者均一致时,则确定握手成功,并输出第二反馈信号给显示控制器2;当二者中只要有一者不一致时,确定握手失败。
然后,中央处理器1通过显示控制器2接收到第二反馈信号,中央处理器2基于第二反馈信号,发送视频信号至显示控制器2,通过显示控制器2将所述视频信号发送至时序控制器11。时序控制器11输出显示信号至源极驱动器12,以及输出栅极控制信号至栅极驱动器14,显示面板13在源极驱动器12和栅极驱动器14的驱动下显示正常画面。
时序控制器11的控制接口111没有电压拉高的过程,显示控制器2发送的加密命令和寄存器地址与时序控制器11预存的加密命令和预存的寄存器地址中一者不一致或者二者都不一致,或者时序控制器11的控制接口111没有电压拉高的过程,且显示控制器2发送的加密命令和寄存器地址与时序控制器11预存的加密命令和预存的寄存器地址中一者不一致或者二者都不一致,则显示控制器2与时序控制器11没有握手的过程或握手失败,显示模组1将以预设画面显示。其中,预设画面可以为设定的默认画面,插黑画面,黑屏或者其他画面。
本公开实施例提供的显示模组不支持所有的显示控制器,能够实现上述交互的显示控制器能够与显示模组进行正常显示通信,能够满足用户的定制化需求。
本公开示例性实施例提供了一种显示装置,如图1和图2所示,显示装置包括显示控制器2和上述任一示例性实施例提供的显示模组1;
显示控制器2,设置成发送控制信号给时序控制器11,并在接收到第一反馈信号后,发送握手参数给时序控制器11;以及在接收到第二反馈信号后发送视频信号给时序控制器11;
时序控制器11,设置成接收控制信号,并识别控制信号,当识别出控制信号为握手信号时,输出第一反馈信号给显示控制器2;以及接收握 手参数,判断握手参数与确定单元112预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给显示控制器2;当不匹配时,确定握手失败。
在一些示例性的实施例中,如图1和图2所示,显示装置还包括中央处理器3,中央处理器3与显示控制器2连接;中央处理器3可以与显示控制器2有线连接或者无线连接。无线连接可以为通信连接等。
显示控制器2设置成接收中央处理器3发送的握手参数,并将接收到的握手参数发送给时序控制器11;
以及,显示控制器2设置成接收中央处理器3发送的视频信号,并将接收到的视频信号发送给时序控制器11。
本公开示例性实施例提供了一种如上述任一实施例提供的显示模组1的控制方法,如图4所示,显示模组1的控制方法包括:
S100:接收显示控制器发送的控制信号,并识别控制信号,当识别出控制信号为握手信号时,输出第一反馈信号给显示控制器,第一反馈信号用于触发显示控制器发送握手参数;
S200:接收显示控制器发送的握手参数,判断握手参数与预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给显示控制器,第二反馈信号用于触发显示控制器发送视频信号;当不匹配时,确定握手失败。
本公开示例性实施例中显示模组的控制方法,其流程示意图如图5所示,显示模组的控制方法包括:
S1:接收显示控制器发送的控制信号;之后执行S2。
在一示例性的实施方式中,时序控制器11中的识别单元111接收显示控制器发送的控制信号。
S2:识别控制信号,判断识别出的控制信号是否为握手信号;当判断所述控制信号为握手信号时,执行S3。当判断所述控制信号不是握手信号时,重新执行S1。
在一示例性的实施方式中,时序控制器11中的识别单元111识别控制信号,并判断识别出控制信号是否为握手信号。
S3:输出第一反馈信号给显示控制器,第一反馈信号用于触发显示控制器发送握手参数;之后执行S4。
在一示例性的实施方式中,时序控制器11中的识别单元111输出第一反馈信号给显示控制器。
S4:接收显示控制器发送的握手参数;之后执行S5。
在一示例性的实施方式中,时序控制器11中的确定单元112接收显示控制器发送的握手参数。
S5:判断握手参数与预存的握手参数是否匹配;当匹配时,执行S6,当不匹配时,执行S7。
在一示例性的实施方式中,时序控制器11中的确定单元112判断握手参数与预存的握手参数是否匹配。
S6:确定握手成功,并输出第二反馈信号给显示控制器,第二反馈信号用于触发显示控制器发送视频信号。
S7:确定握手失败。
在一示例性的实施方式中,时序控制器11中的确定单元112确定握手是否成功。若握手成功,时序控制器11的确定单元112输出第二反馈信号给显示控制器2。
本公开示例性实施例提供的显示模组的控制方法,显示模组与显示控制器连接,显示控制器与中央处理器连接,在显示模组进入正常显示通信之前,需与外部的中央处理器进行握手,显示模组与中央处理器握手成功后,显示模组才进入正常显示通信。本公开实施例提供的显示模组的控制方法,时序控制器与中央处理器握手成功后,显示模组才能进行正常显示通信,能够满足用户的定制化的需求。
在一些示例性实施例中,识别控制信号,当识别出控制信号为握手信 号时,输出第一反馈信号给显示控制器,包括:
识别控制信号,当识别出控制信号为高电平信号时,输出第一反馈信号给显示控制器。
在一些示例性实施例中,判断握手参数与预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给显示控制器,包括:
判断加密命令与预存的加密命令是否一致,以及判断寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功,并输出第二反馈信号给显示控制器。
在一些示例性实施例中,判断加密命令与预存的加密命令是否一致,以及判断寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功,并输出第二反馈信号给显示控制器,包括:
接收显示控制器发送的寄存器地址;
判断寄存器地址与预存的寄存器地址是否一致,当一致时,发送应答信号给显示控制器;
接收显示控制器发送的加密命令,并将加密命令存储在寄存器地址对应的寄存器;
判断加密命令与预存的加密命令是否一致,当一致时,确定握手成功,发送应答信号给显示控制器。第二反馈信号包括两次应答信号。
在一些示例性实施例中,如图6所示,显示模组的控制方法还包括:
S8:接收显示控制器发送的视频信号,并基于视频信号,输出显示信号至源极驱动器,以及输出栅极控制信号至栅极驱动器,使得显示面板在源极驱动器和栅极驱动器的驱动下显示正常画面。
在一些示例性实施例中,所述判断所述握手参数与预存的握手参数是否匹配,当不匹配时,确定握手失败,包括:
判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者中只要有一者不一致时,确定握手失败,输出第三反馈信号或不输出反馈信号给所述显示控制器,使得 显示面板显示预设画面。
在一示例性的实施方式中,预设画面可以为设定的默认画面,插黑画面,黑屏或者其他画面。
应用本公开示例性实施例,至少能够实现如下有益效果:
本公开示例性实施例提供的显示模组,显示模组包括时序控制器,通过在时序控制器上设置识别单元和确定单元。通过识别单元识别是否接收到握手信号,当识别出握手信号时,输出用于触发显示控制器发送握手参数的第一反馈信号给显示控制器。确定单元接收显示控制器发送的握手参数,当握手参数与确定单元预存的握手参数匹配时,确定握手成功,握手成功后输出第二反馈信号给显示控制器,而第二反馈信号用于触发显示控制器发送视频信号。显示控制器可以与中央处理器通信连接,时序控制器与中央处理器握手成功后,显示模组能够进入正常显示通信。也就是说,本公开实施例提供的显示模组不支持所有的显示控制器,能够实现上述交互的显示控制器能够与显示模组进行正常显示通信,能够满足用户的定制化需求。
本领域普通技术人员可以理解,上文中所公开方法中的全部或某些步骤、系统、装置中的功能模块/单元可以被实施为软件、固件、硬件及其适当的组合。在硬件实施方式中,在以上描述中提及的功能模块/单元之间的划分不一定对应于物理组件的划分;例如,一个物理组件可以具有多个功能,或者一个功能或步骤可以由若干物理组件合作执行。某些组件或所有组件可以被实施为由处理器,如数字信号处理器或微处理器执行的软件,或者被实施为硬件,或者被实施为集成电路,如专用集成电路。这样的软件可以分布在计算机可读介质上,计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的,术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多 功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外,本领域普通技术人员公知的是,通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据,并且可包括任何信息递送介质。
本技术领域技术人员可以理解,本公开中已经讨论过的各种操作、方法、流程中的步骤、措施、方案可以被交替、更改、组合或删除。进一步地,具有本公开中已经讨论过的各种操作、方法、流程中的其他步骤、措施、方案也可以被交替、更改、重排、分解、组合或删除。进一步地,现有技术中的具有与本公开中公开的各种操作、方法、流程中的步骤、措施、方案也可以被交替、更改、重排、分解、组合或删除。
在本公开的描述中,需要理解的是,术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本公开和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本公开的限制。
术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开的描述中,除非另有说明,“多个”的含义是两个或两个以上。
在本公开的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本公开中的具体含义。
在本说明书的描述中,具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
应该理解的是,虽然附图的流程图中的各个步骤按照箭头的指示依次显示,但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文 中有明确的说明,这些步骤的执行并没有严格的顺序限制,其可以以其他的顺序执行。而且,附图的流程图中的至少一部分步骤可以包括多个子步骤或者多个阶段,这些子步骤或者阶段并不必然是在同一时刻执行完成,而是可以在不同的时刻执行,其执行顺序也不必然是依次进行,而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
以上所述仅是本公开的部分实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本公开原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本公开的保护范围。

Claims (20)

  1. 一种显示模组,包括:时序控制器;
    所述时序控制器包括识别单元和确定单元;
    所述识别单元与显示控制器连接,设置成:接收所述显示控制器发送的控制信号,并识别所述控制信号,当识别出所述控制信号为握手信号时,输出第一反馈信号给所述显示控制器,所述第一反馈信号用于触发所述显示控制器发送握手参数;
    所述确定单元与所述显示控制器连接,设置成:接收所述显示控制器发送的握手参数,判断所述握手参数与所述确定单元预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给所述显示控制器,所述第二反馈信号用于触发所述显示控制器发送视频信号;当不匹配时,确定握手失败。
  2. 根据权利要求1所述的显示模组,其中,所述握手信号为高电平信号;
    所述识别单元是设置成:识别所述控制信号,当识别出所述控制信号为所述高电平信号时,输出第一反馈信号给所述显示控制器。
  3. 根据权利要求1所述的显示模组,其中,所述握手参数包括加密命令和寄存器地址;
    所述确定单元是设置成:判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功;当二者中只要有一者不一致时,确定握手失败。
  4. 根据权利要求1所述的显示模组,还包括:源极驱动器、栅极驱动器和显示面板;
    其中,所述时序控制器还包括视频单元;
    所述视频单元与所述显示控制器连接,设置成:接收所述显示控制器发送的视频信号,并基于所述视频信号,输出显示信号至所述源极驱动器,以及输出栅极控制信号至所述栅极驱动器;
    所述显示面板设置成:在所述源极驱动器和所述栅极驱动器的驱动下显示。
  5. 根据权利要求4所述的显示模组,其中,所述源极驱动器包括时钟内嵌差分信号CEDS接口,所述时序控制器通过所述CEDS接口与所述源极驱动器。
  6. 根据权利要求4所述的显示模组,其中,所述显示面板包括显示区和非显示区,
    其中,所述源极驱动器设置成输出数据信号至所述显示区;
    所述栅极驱动器设置成输出扫描信号至所述显示区。
  7. 根据权利要求6所述的显示模组,其中,所述源极驱动器包括至少一个驱动电路板和至少一个源极驱动模块;
    所述栅极驱动器包括第一栅极驱动电路和第二栅极驱动电路。
  8. 根据权利要求4所述的显示模组,其中,所述时序控制器还包括控制接口、通信接口和视频接口;
    其中,所述识别单元通过所述控制接口与所述显示控制器连接;
    所述确定单元通过所述通信接口与所述显示控制器连接;
    所述视频单元通过所述视频接口与所述显示控制器连接。
  9. 根据权利要求8所述的显示模组,其中,所述视频接口包括VBO接口。
  10. 根据权利要求3所述的显示模组,其中,所述时序控制器还包括存储单元;
    其中,所述存储单元设置成:存储所述预存的加密命令,以及存储所述预存的寄存器地址。
  11. 根据权利要求10所述的显示模组,其中,所述存储单元包括非易失存储器,所述非易失存储器包括FLASH存储器。
  12. 一种显示装置,包括:显示控制器和如权利要求1至11任一项所述的显示模组;
    所述显示控制器,设置成:发送控制信号给所述显示模组的所述时序控制器,并在接收到所述第一反馈信号后,发送握手参数给所述时序控制器;以及在接收到所述第二反馈信号后发送视频信号给所述时序控制器识别出。
  13. 根据权利要求12所述的显示装置,还包括:中央处理器;所述中央处理器与所述显示控制器连接;
    所述显示控制器设置成:接收所述中央处理器发送的握手参数,并将接收到的所述握手参数发送给所述时序控制器;
    所述显示控制器还设置成:接收所述中央处理器发送的视频信号,并将接收到的所述视频信号发送给所述时序控制器。
  14. 一种显示模组的控制方法,应用于如权利要求1至11任一项所述的显示模组,包括:
    接收显示控制器发送的控制信号,并识别所述控制信号,当识别出所述控制信号为握手信号时,输出第一反馈信号给所述显示控制器,所述第一反馈信号用于触发所述显示控制器发送握手参数;
    接收所述显示控制器发送的握手参数,判断所述握手参数与预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给所述显示控制器,所述第二反馈信号用于触发所述显示控制器发送视频信号;当不匹配时,确定握手失败。
  15. 根据权利要求14所述的显示模组的控制方法,其中,所述识别所述控制信号,当识别出所述控制信号为握手信号时,输出第一反馈信号给所述显示控制器,包括:
    识别所述控制信号,当识别出所述控制信号为高电平信号时,输出第一反馈信号给所述显示控制器。
  16. 根据权利要求14所述的显示模组的控制方法,其中,所述握手参数包括加密命令和寄存器地址,所述判断所述握手参数与预存的握手参数是否匹配,当匹配时,确定握手成功,并输出第二反馈信号给所述显示控制器,包括:
    判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者均一致时,确定握手成功,并输出第二反馈信号给所述显示控制器。
  17. 根据权利要求16所述的显示模组的控制方法,其中,所述判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者均一致时,则确定握手成功,并输出第二反馈信号给所述显示控制器,包括:
    接收所述显示控制器发送的寄存器地址;
    判断所述寄存器地址与预存的寄存器地址是否一致,当一致时,发送应答信号给所述显示控制器;
    接收所述显示控制器发送的加密命令,并将所述加密命令存储在所述寄存器地址对应的寄存器;
    判断所述加密命令与预存的加密命令是否一致,当一致时,确定握手成功,发送应答信号给所述显示控制器。
  18. 根据权利要求14所述的显示模组的控制方法,其中,还包括:
    接收所述显示控制器发送的视频信号,并基于所述视频信号,输出显示信号至源极驱动器,以及输出栅极控制信号至栅极驱动器,使得显示面板在所述源极驱动器和栅极驱动器的驱动下显示画面。
  19. 根据权利要求14所述的显示模组的控制方法,其中,所述握手参数包括加密命令和寄存器地址,所述判断所述握手参数与预存的握手参数是否匹配,当不匹配时,确定握手失败,包括:
    判断所述加密命令与预存的加密命令是否一致,以及判断所述寄存器地址与预存的寄存器地址是否一致,当二者中只要有一者不一致时,确定握手失败,输出第三反馈信号或不输出反馈信号给所述显示控制器,使得显示面板显示预设画面。
  20. 一种非瞬态计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令用于执行权利要求14-19中任一项所述的显示模组的控制方法。
PCT/CN2023/093973 2022-05-24 2023-05-12 显示模组及其控制方法、显示装置 WO2023226795A1 (zh)

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