CN113535103A - First device, second device, and display parameter control method - Google Patents

First device, second device, and display parameter control method Download PDF

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Publication number
CN113535103A
CN113535103A CN202110347620.2A CN202110347620A CN113535103A CN 113535103 A CN113535103 A CN 113535103A CN 202110347620 A CN202110347620 A CN 202110347620A CN 113535103 A CN113535103 A CN 113535103A
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display
display parameter
parameter
current
mode
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Chinese (zh)
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吴瑞
焦石
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The application provides a first device, a second device and a display parameter control method. The display parameter control assembly is respectively connected with the first communication interface and the first display device and used for acquiring the current first display parameter of the first display device of the first equipment and the current second display parameter of the second display device of the second equipment when the first equipment enters a first mode; and based on the first display parameter and the second display parameter, performing display parameter processing on the first display device to match the display parameters of the first display device and the second display device, and ensuring that the display parameters of the first display device are adjusted to match the display parameters of the second display device when the first device is used as an extended display screen.

Description

First device, second device, and display parameter control method
Technical Field
The application belongs to the technical field of control, and particularly relates to a first device, a second device and a display parameter control method.
Background
Many current all-in-One machines (all in One) support a display mode (monitor mode) function, and based on the function, a user end can be used as an extended display screen by connecting the all-in-One machines.
However, the conventional all-in-one device does not have an OSD (on-screen display) key for adjusting the screen brightness, and the user terminal cannot control or change the brightness of the all-in-one device as an extended display screen, so that the brightness of the all-in-one device cannot be adjusted in a display mode.
Disclosure of Invention
Therefore, the application discloses the following technical scheme:
an aspect of the present application provides a first device, including:
the first communication interface can be used for establishing communication connection with second equipment;
the first display device is used for displaying information;
the display parameter control assembly is respectively connected with the first communication interface and the first display device and is used for: when the first equipment enters a first mode, acquiring a current first display parameter of a first display device of the first equipment and a current second display parameter of a second display device of the second equipment; performing display parameter processing on the first display device based on the first display parameter and the second display parameter so as to match the display parameters of the first display device and the second display device;
wherein, in the first mode, the first display device displays information based on a display signal provided by the second device; the first device is further capable of operating in a second mode in which the first display apparatus displays information based on a display signal provided by the first device.
The first device, further comprising:
the embedded controller is connected with the display parameter control component and is used for:
receiving the first display parameter and the second display parameter transmitted by the display parameter control component; comparing the first display parameter with the second display parameter; determining a display parameter adjusting instruction according to a comparison result that the first display parameter and the second display parameter are not matched; transmitting the display parameter adjustment instruction to the display parameter control component to enable the display parameter control component to adjust the display parameters of the first display device based on the display parameter adjustment instruction.
The first display parameter comprises first brightness information, and the second display parameter comprises second brightness information;
the display parameter adjusting instruction is a brightness adjusting instruction;
when the display parameter control component adjusts the display parameter of the first display device based on the display parameter adjustment instruction, the display parameter control component is specifically configured to:
and adjusting the liquid crystal driving voltage of the first display device by utilizing firmware in the display parameter control component based on the brightness adjusting instruction so as to adjust the liquid crystal angle of the first display device based on the change of the liquid crystal driving voltage and adjust the brightness of the first display device.
The first display parameter comprises first brightness information, and the second display parameter comprises second brightness information;
the first equipment also comprises a backlight control circuit of the first display device, and the backlight control circuit is connected with the display parameter control component;
the display parameter control component is specifically configured to, when performing display parameter processing on the first display device based on the first display parameter and the second display parameter:
and adjusting the duty ratio of the pulse width modulation signal based on the first brightness information and the second brightness information, so that the backlight control circuit changes the output current according to the adjusted duty ratio of the pulse width modulation signal, and the brightness of the first display device is adjusted by changing the output current.
The first equipment also comprises an adjusting switch which is connected with the display parameter control component;
the display parameter modulation module is specifically configured to, when adjusting the duty ratio of the pulse width modulation signal according to the first luminance information and the second luminance information:
and sending a control instruction for adjusting the duty ratio of the pulse width modulation signal to the regulating switch according to the first brightness information and the second brightness information, so that the regulating switch adjusts the duty ratio of the pulse width modulation signal according to the control instruction.
The first device switches from a power-off state to enter the first mode, or switches from the second mode to enter the first mode.
The first communication interface is a first digital interface;
the display parameter control component, when acquiring a current first display parameter of a first display device of the first device and a current second display parameter of a second display device of the second device, is specifically configured to:
acquiring the first display parameter and the second display parameter transmitted by the second device through a direct digital control channel of a second digital interface;
wherein the second digital interface is connected with the first digital interface; the first display parameter and the second display parameter are encapsulated in a predetermined field of extended display identification data transmitted through the second digital interface.
Another aspect of the present application provides a second apparatus, comprising:
the second communication interface can be used for establishing communication connection with the first equipment;
the second display device is used for displaying information;
a memory for storing a set of computer instructions;
a processor for implementing the following by executing a set of instructions stored on the memory:
responding to the communication connection established between the second communication interface and the first equipment to enable the first equipment to enter a first mode, acquiring current first display parameters of a first display device of the first equipment, acquiring current second display parameters of a second display device of the second equipment, and transmitting the first display parameters and the second display parameters to the first equipment based on the second communication interface;
after the first device enters the first mode, the second device can transmit a display signal to the first device through the second communication interface, so that the first device displays information based on the display signal.
The second communication interface is a second digital interface, and the second digital interface is connected with the first digital interface of the first equipment;
when the processor obtains a current first display parameter of a first display device of the first device, the processor is specifically configured to:
obtaining extended display identification data of the first device through the second digital interface;
acquiring a current first display parameter of the first display device according to the extended display identification data;
when transmitting the first display parameter and the second display parameter to the first device, the processor is specifically configured to:
the first display parameter and the second display parameter are transmitted to the first device through a direct digital control channel of the second digital interface.
A third aspect of the present application provides a display parameter control method, applied to a first device, the method including:
when the first equipment enters a first mode, acquiring a current first display parameter of a first display device of the first equipment and a current second display parameter of a second display device of the second equipment;
performing display parameter processing on the first display device based on the first display parameter and the second display parameter so as to match the display parameters of the first display device and the second display device;
wherein, in the first mode, the first display device displays information based on a display signal provided by the second device; the first device is further capable of operating in a second mode in which the first display apparatus displays information based on a display signal provided by the first device.
According to the scheme, the first device comprises the first communication interface which can be used for establishing communication connection with the second device, and information interaction between the first device and the second device is guaranteed. The display parameter control assembly is respectively connected with the first communication interface and the first display device and used for acquiring the current first display parameter of the first display device of the first equipment and the current second display parameter of the second display device of the second equipment when the first equipment enters a first mode; and based on the first display parameter and the second display parameter, performing display parameter processing on the first display device to match the display parameters of the first display device and the second display device, and ensuring that the display parameters of the first display device are adjusted to match the display parameters of the second display device when the first device is used as an extended display screen.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first device provided in embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a first device provided in embodiment 2 of the present application;
FIG. 3 is a schematic diagram of a display parameter control assembly provided herein;
fig. 4 is a schematic structural diagram of a first device provided in embodiment 3 of the present application;
FIG. 5 is a schematic diagram illustrating information interaction between a display parameter control component and an embedded controller according to the present application;
fig. 6 is a schematic structural diagram of a first device provided in embodiment 4 of the present application;
FIG. 7 is a schematic circuit diagram of a PWM signal transmission provided herein;
FIG. 8 is a schematic diagram of a backlight control circuit provided in the present application;
fig. 9 is a schematic structural diagram of a first device provided in embodiment 5 of the present application;
FIG. 10 is a schematic structural diagram of another first apparatus provided in embodiment 5 of the present application;
fig. 11 is a schematic structural diagram of a first apparatus provided in embodiment 6 of the present application;
FIG. 12 is a schematic structural diagram of a first apparatus provided in embodiment 7 of the present application;
fig. 13 is a schematic structural diagram of a second apparatus provided in embodiment 8 of the present application;
fig. 14 is a schematic flowchart of a display parameter control method according to embodiment 9 of the present application;
fig. 15 is a flowchart illustrating a display parameter control method according to embodiment 10 of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a schematic structural diagram of a first device provided in embodiment 1 of the present application is shown in fig. 1, where the first device may include, but is not limited to: a first communication interface 100, a first display device 200 and a display parameter control assembly 300.
The first communication interface 100 can be used to establish a communication connection with a second device.
In this embodiment, the first device may be, but is not limited to: all-in-one or desktop; the second device may be, but is not limited to: a notebook computer or a tablet computer.
The first communication interface 100 is specifically configured to establish a communication connection with a second communication interface of a second device.
The first communication interface 100 may be, but is not limited to, a first digital interface.
The first display device 200 may be used for information display.
The display parameter control module 300 is connected to the first communication interface 100 and the first display device 200, respectively.
A display parameter control component 300 operable to:
when the first device enters a first mode, acquiring a current first display parameter of a first display device 200 of the first device and a current second display parameter of a second display device of the second device; and performs display parameter processing on the first display apparatus 200 based on the first display parameter and the second display parameter to match the display parameters of the first display apparatus 200 and the second display apparatus.
In this embodiment, the display parameter control component 300 may also be configured to:
when the first device enters the first mode, the current first display parameter of the first display apparatus 200 of the first device and the display parameter data packet of the second display apparatus of the second device are obtained. The display parameter data packet includes a plurality of display parameters in a display environment, such as a display parameter a in a well-lit environment and a display parameter B in a dark environment, or a display parameter C input by a user.
Corresponding to the obtaining of the current first display parameter of the first display apparatus 200 of the first device when the first device enters the first mode and the display parameter data packet of the second display apparatus of the second device, the display parameter control component 300 may specifically be configured to, when performing display parameter processing on the first display apparatus 200 based on the first display parameter and the second display parameter so as to match the display parameters of the first display apparatus 200 and the second display apparatus:
analyzing the display parameter data packet of the second display device to obtain display parameters under various display environments, determining target display parameters matched with the current display environments of the first display device 200 and the second display device from the display parameters under various display environments, and performing display parameter processing on the first display parameters based on the first display parameters and the target display parameters to enable the display parameters of the first display device and the second display device to be matched.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
In this embodiment, the first device may switch from a power-off state to enter the first mode, or switch from the second mode to enter the first mode. In the first mode, the first device acts as an extended display for the second device.
The first mode may be, but is not limited to: extended mode or copy mode. The extended mode may be understood as: a mode of expanding a display range of the second device. In the extended mode, the second device may display different or the same information on the first display means 200 of the first device and the second display means of the second device, respectively. It is understood that in the extended mode, the first display apparatus 200 of the first device and the second display apparatus of the second device may be displayed asynchronously.
In the copy mode, the second device may display the same information on the first display means 200 of the first device and the second display means of the second device, respectively, and the first display means 200 of the first device and the second display means of the second device display in synchronization.
The display parameters of the first display device 200 and the second display device are matched, so that the display difference between the first display device 22 and the second display device is not large, and at least the problems of dazzling and discomfort caused by the mismatch of the display parameters can be improved, so that the excellent use feeling of the user can be obtained.
The first display parameters may include, but are not limited to: any one or more of first brightness information, first color information, first screen resolution, and first display size.
Accordingly, the second display parameters may include, but are not limited to: any one or more of second brightness information, second color information, second screen resolution, and second display size.
In this embodiment, the first mode and the second mode are different from each other. In the second mode, the first device does not act as an external display for the second device. In the second mode, the first display apparatus 200 of the first device may perform information display based on the display signal provided by the first device without being controlled by the second device.
In the present application, the first device includes a first communication interface 100, which can be used to establish a communication connection with the second device, so as to ensure that the first device and the second device can perform information interaction. The display parameter control component 300 is respectively connected to the first communication interface 100 and the first display apparatus 200, and is configured to obtain a current first display parameter of the first display apparatus 200 of the first device and a current second display parameter of the second display apparatus of the second device when the first device enters the first mode; and based on the first display parameter and the second display parameter, performing display parameter processing on the first display device 200 to match the display parameters of the first display device 200 and the second display device, and ensuring that the display parameter of the first display device 200 is adjusted to match the display parameter of the second display device when the first device is used as an extended display screen.
In another embodiment of the present application, referring to fig. 2, a schematic structural diagram of an embodiment 2 of a first device provided by the present application is provided, where this embodiment mainly relates to a refinement scheme of the first device described in the foregoing embodiment 1, and as shown in fig. 2, the first device may include: a first digital interface 100, a first display device 200, and a display parameter control assembly 300.
A first digital interface 100 can be used to establish a communication connection with a second device. Specifically, the second device is correspondingly provided with a second digital interface, and the first digital interface 100 is connected with the second digital interface of the second device.
The first display device 200 is used for displaying information.
The display parameter control module 300 is connected to the first digital interface 100 and the first display device 200, respectively.
In this embodiment, when the first device enters the first mode, the second device may obtain a current first display parameter of the first display apparatus 200 of the first device and a current second display parameter of the second display apparatus of the second device, and transmit the current first display parameter of the first display apparatus 200 of the first device and the current second display parameter of the second display apparatus of the second device to the first device.
The process of the second device acquiring the current first display parameter of the first display apparatus 200 of the first device may include, but is not limited to: the second device obtains the extended display identification data of the first device on the basis of establishing the communication connection with the first device, and obtains the current first display parameter of the first display apparatus 200 according to the extended display identification data of the first device.
The extended display identification data may include, but is not limited to: model information of the first display device 200. In the case that the extended display identification data includes model information of the first display apparatus 200, the current first display parameter of the first display apparatus 200 is acquired according to the extended display identification data of the first device, which may include but is not limited to:
searching the display parameter corresponding to the model information of the first display device 200 in the display database, and if the display parameter is found, taking the found display parameter as the current first display parameter of the first display device 200. The display database comprises the corresponding relation between a plurality of display model information and the matched display parameters.
Wherein the first display parameter and the second display parameter are encapsulated in a predetermined field of extended display identification data transmitted through the second digital interface.
A display parameter control component 300 operable to:
when the first device enters a first mode, acquiring a first display parameter and a second display parameter transmitted by a second device through a Direct Digital Control (DDC) channel of a second digital interface; and based on the first display parameter and the second display parameter, performing display parameter processing on the first display device 200 to match the display parameters of the first display device 200 and the second display device;
in the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
In this embodiment, the first digital interface 100 is a specific implementation manner of the first communication interface 100 in embodiment 1. The display parameter control component 300 obtains the first display parameter and the second display parameter transmitted by the second device through the DDC channel of the second digital interface when the first device enters the first mode, which is a specific implementation manner of the display parameter control component 300 in embodiment 1 obtaining the current first display parameter of the first display apparatus 200 of the first device and the current second display parameter of the second display apparatus of the second device.
In this embodiment, the first digital interface 100 may be, but is not limited to: HDMI (High Definition Multimedia Interface). Accordingly, the second digital interface may be, but is not limited to: HDMI.
In the case that the first digital interface 100 is HDMI and the second digital interface is HDMI, as shown in fig. 3, the HDMI of the display parameter control component 300 may include a 110 th pin (GPIO/ddcslc 0/AUXP/PWM4) and a 111 th pin (GPIO/DDCSDA0/AUXN/PWM5), and the 110 th pin and the 111 th pin may receive the first display parameter and the second display parameter transmitted by the second digital interface.
In this embodiment, the second device may obtain a current first display parameter of the first display apparatus 200 of the first device and a current second display parameter of the second display apparatus of the second device, and transmit the current first display parameter of the first display apparatus 200 of the first device and the current second display parameter of the second display apparatus of the second device to the first device, and the first device receives the current first display parameter of the first display apparatus 200 and the current second display parameter of the second display apparatus of the second device, so as to achieve the obtaining of the first display parameter and the second display parameter.
As another alternative embodiment of the present application, referring to fig. 4, a schematic structural diagram of an embodiment 3 of a first device provided by the present application is provided, where this embodiment is mainly an extension of the first device described in embodiment 1 above, and as shown in fig. 4, the first device may include: the display device comprises a first communication interface 100, a first display device 200, a display parameter control component 300 and an embedded controller 400.
In this embodiment, the first communication interface 100 can be used to establish a communication connection with a second device.
The first display device 200 is used for displaying information.
The display parameter control module 300 is connected to the first communication interface 100 and the first display device 200, respectively.
The display parameter control component 300 may be configured to obtain a current first display parameter of the first display apparatus 200 of the first device and a current second display parameter of the second display apparatus of the second device when the first device enters the first mode.
The embedded controller 400 is connected with the display parameter control component 300.
An embedded controller 400 operable to:
receiving the first display parameter and the second display parameter transmitted by the display parameter control component 300; comparing the first display parameter with the second display parameter; determining a display parameter adjusting instruction according to a comparison result that the first display parameter and the second display parameter are not matched; the display parameter adjustment instruction is transmitted to the display parameter control component 300.
The display parameter control component 300 may be further configured to adjust the display parameters of the first display apparatus 200 based on the display parameter adjustment instruction from the embedded controller 400, so that the display parameters of the first display apparatus 200 and the second display apparatus are matched.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
The first mode and the second mode can be referred to the related description of embodiment 1, and are not described herein again.
As shown in fig. 5, the display parameter control component 300 may transmit the first display parameter and the second display parameter to the embedded controller 400 through two signals of EC _ SMLCLK _ BL and EC _ SMLDAT _ BL, and the embedded controller 400 receives the first display parameter and the second display parameter by receiving two signals of EC _ SMLCLK _ BL and EC _ SMLDAT _ BL.
In this embodiment, under the condition that the first display parameter includes the first luminance information and the second display parameter includes the second luminance information, the embedded controller 400 may be specifically configured to:
receiving first brightness information and second brightness information transmitted by the display parameter control component 300; comparing the first brightness information with the second brightness information; determining a brightness adjusting instruction according to a comparison result that the first brightness information is not matched with the second brightness information; the brightness adjustment command is transmitted to the display parameter control assembly 300.
Accordingly, when the display parameter control component 300 adjusts the display parameter of the first display apparatus 200 based on the display parameter adjustment instruction, it may specifically be configured to:
based on the brightness adjustment instruction, the firmware in the display parameter control component 300 is utilized to adjust the liquid crystal driving voltage of the first display device 200 to adjust the liquid crystal angle of the first display device 200 based on the change of the liquid crystal driving voltage to adjust the brightness of the first display device 200.
In this embodiment, the embedded controller 400 and the display parameter control component 300 cooperate to adjust the liquid crystal angle of the first display device 200 based on the change of the liquid crystal driving voltage by adjusting the liquid crystal driving voltage of the first display device 200, thereby realizing the adjustment of the brightness of the first display device 200.
As another alternative embodiment of the present application, referring to fig. 6, a schematic structural diagram of an embodiment 4 of a first device provided by the present application is provided, where this embodiment is mainly an expansion scheme of the first device described in the foregoing embodiment 1, and as shown in fig. 6, the first device may include: the first communication interface 100, the first display device 200, the display parameter control assembly 300 and the backlight control circuit 500 of the first display device 200.
The first communication interface 100 can be used to establish a communication connection with a second device.
The first display device 200 is used for displaying information.
The display parameter control component 300 is respectively connected to the first communication interface 100, the first display device 200 and the backlight control circuit 500.
A display parameter control component 300 operable to:
when the first device enters the first mode, the current first brightness information of the first display device 200 of the first device and the current second brightness information of the second display device of the second device are obtained.
Based on the first luminance information and the second luminance information, the duty ratio of the Pulse width modulation signal is adjusted, and the Pulse Width Modulation (PWM) signal after the duty ratio adjustment is sent to the backlight control circuit 500.
As shown in fig. 3, the display parameter control component 300 may transmit the S _ INVT _ PWM signal through the 101 th pin (GPIO/PWM4/PWM _ OUT/AUX _ D1/TCON [7]), and transmit the PWM signal with the adjusted duty ratio to the backlight control circuit 500. Specifically, as shown in fig. 7, the S _ INVT _ PWM signal may be converted into 8549_ BL _ PWM signal through a plurality of resistors and transmitted to the backlight control circuit 500. As shown in fig. 8, the backlight control circuit 500 may receive the 8549_ BL _ PWM signal through the 9 th Pin (PWM).
In this embodiment, when the first device enters the first mode, current first luminance information of the first display apparatus 200 of the first device and current second luminance information of the second display apparatus of the second device are obtained; adjusting the duty ratio of the pulse width modulation signal based on the first brightness information and the second brightness information, and sending the adjusted duty ratio of the pulse width modulation signal to the backlight control circuit 500, for example 1, when the first device enters the first mode, acquiring a current first display parameter of a first display apparatus 200 of the first device and a current second display parameter of a second display apparatus of the second device; and performs a specific embodiment of the display parameter processing on the first display device 200 based on the first display parameter and the second display parameter.
And a backlight control circuit 500 for changing the output current according to the adjusted duty ratio of the pwm signal, and adjusting the brightness of the first display apparatus 200 by changing the output current to match the brightness of the first display apparatus 200 with the brightness of the second display apparatus.
The backlight control circuit 500, adjusting the brightness of the first display device 200 by changing the output current, may be understood as: the brightness of the backlight of the first display device 200 is adjusted by changing the output current.
It should be noted that, when the display parameter control component 300 does not support the automatic adjustment of the duty ratio of the pulse width modulation signal, the display parameter control component 300 may be refreshed to write the duty ratio of the adjusted pulse width modulation signal obtained based on the first luminance information and the second luminance information into the display parameter control component 300, so as to adjust the duty ratio of the pulse width modulation signal.
Matching the luminance of the first display device 200 with the luminance of the second display device is a specific implementation of matching the display parameters of the first display device 200 and the second display device in example 1.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
The first mode and the second mode can be referred to the related description of embodiment 1, and are not described herein again.
In this embodiment, the backlight control circuit 500 changes the output current according to the duty ratio of the adjusted pwm signal, and adjusts the brightness of the backlight of the first display device 200 by changing the output current, so as to ensure that the adjustable brightness range of the first display device 200 is wider.
As another alternative embodiment of the present application, referring to fig. 9, a schematic structural diagram of an embodiment 5 of a first device provided by the present application is provided, where this embodiment is mainly an expansion scheme of the first device described in embodiment 3 above, and as shown in fig. 9, the first device may include: the first communication interface 100, the first display device 200, the display parameter control assembly 300, the backlight control circuit 500 of the first display device 200 and the adjustment switch 600.
The first communication interface 100 can be used to establish a communication connection with a second device.
The first display device 200 is used for displaying information.
The display parameter control module 300 is respectively connected to the first communication interface 100, the first display device 200 and the adjustment switch 600.
A display parameter control component 300 operable to:
when the first device enters the first mode, the current first brightness information of the first display device 200 of the first device and the current second brightness information of the second display device of the second device are obtained.
And sending a control command for adjusting the duty ratio of the PWM signal and the PWM signal to the regulating switch 600 according to the first luminance information and the second luminance information.
The adjusting switch 600 is connected to the backlight control circuit 500, and the adjusting switch 600 can be used for adjusting the duty ratio of the PWM signal according to the control command from the display parameter control component 300.
And a backlight control circuit 500 for changing the output current according to the adjusted duty ratio of the PWM signal, and adjusting the luminance of the first display device 200 by changing the output current so that the luminance of the first display device 200 matches the luminance of the second display device.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
The display parameter control module 300 may send a control command for adjusting the duty ratio of the PWM signal and the PWM signal to the regulating switch 600 through a GPIO (General-purpose input/output) pin (pin), as shown in fig. 10.
In this embodiment, when the first device includes the adjusting switch 600, the display parameter control component 300 may send a pulse width modulation signal with a fixed duty ratio, and send a control instruction for adjusting the duty ratio of the pulse width modulation signal to the adjusting switch 600 according to the first luminance information and the second luminance information, and the adjusting switch 600 adjusts the duty ratio of the pulse width modulation signal from the display parameter control component 300 according to the control instruction, so as to ensure that the duty ratio of the pulse width modulation signal is adjusted by the adjusting switch 600 when the display parameter control component 300 does not support automatic adjustment of the duty ratio of the pulse width modulation signal, and compared with refreshing the display parameter control component 300, the efficiency of adjustment may be improved.
As another alternative embodiment of the present application, referring to fig. 11, a schematic structural diagram of an embodiment 6 of a first device provided by the present application is provided, where this embodiment is mainly an expansion scheme of the first device described in embodiment 1 above, and as shown in fig. 11, the first device may include: the first communication interface 100, the first display device 200, the display parameter control assembly 300, the embedded controller 400 and the backlight control circuit 500 of the first display device 200.
In this embodiment, the first communication interface 100 can be used to establish a communication connection with a second device.
The first display device 200 is used for displaying information.
The display parameter control component 300 is respectively connected to the first communication interface 100, the first display device 200, the embedded controller 400 and the backlight control circuit 500.
The display parameter control component 300 may be configured to obtain a current first display parameter of the first display apparatus 200 of the first device and a current second display parameter of the second display apparatus of the second device when the first device enters the first mode.
The embedded controller 400 is connected with the display parameter control component 300.
An embedded controller 400 operable to:
receiving the first display parameter and the second display parameter transmitted by the display parameter control component 300; comparing the first display parameter with the second display parameter; determining a display parameter adjusting instruction according to a comparison result that the first display parameter and the second display parameter are not matched; the display parameter adjustment instruction is transmitted to the display parameter control component 300.
The display parameter control component 300 may be further configured to adjust the display parameters of the first display apparatus 200 based on the display parameter adjustment instruction from the embedded controller 400, so that the display parameters of the first display apparatus 200 and the second display apparatus are matched.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
The first mode and the second mode can be referred to the related description of embodiment 1, and are not described herein again.
In this embodiment, under the condition that the first display parameter includes the first luminance information and the second display parameter includes the second luminance information, the embedded controller 400 may be specifically configured to:
receiving first brightness information and second brightness information transmitted by the display parameter control component 300; comparing the first brightness information with the second brightness information; determining a brightness adjusting instruction according to a comparison result that the first brightness information is not matched with the second brightness information; the brightness adjustment command is transmitted to the display parameter control assembly 300.
Accordingly, when the display parameter control component 300 adjusts the display parameter of the first display apparatus 200 based on the display parameter adjustment instruction, it may specifically be configured to:
based on the brightness adjustment instruction, the firmware in the display parameter control component 300 is utilized to adjust the liquid crystal driving voltage of the first display device 200 to adjust the liquid crystal angle of the first display device 200 based on the change of the liquid crystal driving voltage to adjust the brightness of the first display device 200.
A display parameter control component 300 operable to:
when the first device enters the first mode, the current first brightness information of the first display device 200 of the first device and the current second brightness information of the second display device of the second device are obtained.
The duty ratio of the pulse width modulation signal is adjusted based on the first luminance information and the second luminance information, and the duty ratio-adjusted PWM signal is transmitted to the backlight control circuit 500.
And a backlight control circuit 500 for changing the output current according to the adjusted duty ratio of the PWM signal, and adjusting the luminance of the first display device 200 by changing the output current so that the luminance of the first display device 200 matches the luminance of the second display device.
The backlight control circuit 500, adjusting the brightness of the first display device 200 by changing the output current, may be understood as: the brightness of the backlight of the first display device 200 is adjusted by changing the output current.
It should be noted that, when the display parameter control component 300 does not support the automatic adjustment of the duty ratio of the pulse width modulation signal, the display parameter control component 300 may be refreshed to write the duty ratio of the adjusted pulse width modulation signal obtained based on the first luminance information and the second luminance information into the display parameter control component 300, so as to adjust the duty ratio of the pulse width modulation signal.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
In this embodiment, the first device includes the embedded controller 400 and the backlight control circuit 500 at the same time, so as to ensure that the structure and function of the first device are more complete, and thus two ways of adjusting the brightness of the first display apparatus 200 are supported, that is, based on the brightness adjustment instruction, the firmware in the display parameter control component 300 is used to adjust the liquid crystal driving voltage of the first display apparatus 200, so as to adjust the liquid crystal angle of the first display apparatus 200 based on the change of the liquid crystal driving voltage to adjust the brightness of the first display apparatus 200, and the backlight control circuit 500 changes the output current according to the duty ratio of the adjusted PWM signal, so as to adjust the brightness of the first display apparatus 200 by changing the output current, so that the first device can adjust the brightness of the first display apparatus 200 by using different adjustment ways, and ensure that the adjustment ways are more flexible.
As another alternative embodiment of the present application, referring to fig. 12, a schematic structural diagram of an embodiment 7 of a first device provided by the present application is provided, where this embodiment is mainly an expansion scheme of the first device described in the foregoing embodiment 6, and as shown in fig. 12, the first device may include: the first communication interface 100, the first display device 200, the display parameter control assembly 300, the embedded controller 400, the backlight control circuit 500 of the first display device 200, and the adjustment switch 600.
In this embodiment, the first communication interface 100 can be used to establish a communication connection with a second device.
The first display device 200 is used for displaying information.
The display parameter control component 300 is respectively connected to the first communication interface 100, the first display device 200, the embedded controller 400 and the adjustment switch 600.
The display parameter control component 300 may be configured to obtain a current first display parameter of the first display apparatus 200 of the first device and a current second display parameter of the second display apparatus of the second device when the first device enters the first mode.
An embedded controller 400 operable to:
receiving the first display parameter and the second display parameter transmitted by the display parameter control component 300; comparing the first display parameter with the second display parameter; determining a display parameter adjusting instruction according to a comparison result that the first display parameter and the second display parameter are not matched; the display parameter adjustment instruction is transmitted to the display parameter control component 300.
The display parameter control component 300 may be further configured to adjust the display parameters of the first display apparatus 200 based on the display parameter adjustment instruction from the embedded controller 400, so that the display parameters of the first display apparatus 200 and the second display apparatus are matched.
In this embodiment, under the condition that the first display parameter includes the first luminance information and the second display parameter includes the second luminance information, the embedded controller 400 may be specifically configured to:
receiving first brightness information and second brightness information transmitted by the display parameter control component 300; comparing the first brightness information with the second brightness information; determining a brightness adjusting instruction according to a comparison result that the first brightness information is not matched with the second brightness information; the brightness adjustment command is transmitted to the display parameter control assembly 300.
Accordingly, when the display parameter control component 300 adjusts the display parameter of the first display apparatus 200 based on the display parameter adjustment instruction, it may specifically be configured to:
based on the brightness adjustment instruction, the firmware in the display parameter control component 300 is utilized to adjust the liquid crystal driving voltage of the first display device 200 to adjust the liquid crystal angle of the first display device 200 based on the change of the liquid crystal driving voltage to adjust the brightness of the first display device 200.
A display parameter control component 300 operable to:
when the first device enters the first mode, the current first brightness information of the first display device 200 of the first device and the current second brightness information of the second display device of the second device are obtained.
And sending a control command for adjusting the duty ratio of the PWM signal and the PWM signal to the regulating switch 600 according to the first luminance information and the second luminance information.
The adjustment switch 600 is connected to the backlight control circuit 500. The adjustment switch 600 may be configured to adjust the duty ratio of the PWM signal according to a control command from the display parameter control module 300.
And a backlight control circuit 500 for changing the output current according to the adjusted duty ratio of the PWM signal, and adjusting the luminance of the first display device 200 by changing the output current so that the luminance of the first display device 200 matches the luminance of the second display device.
In the first mode, the first display apparatus 200 displays information based on a display signal provided by the second device; the first device is further operable to operate in a second mode in which the first display apparatus 200 displays information based on a display signal provided by the first device.
In this embodiment, the first device includes the embedded controller 400 and the backlight control circuit 500 at the same time, so as to ensure that the structure and function of the first device are more complete, and thus two ways of adjusting the brightness of the first display apparatus 200 are supported, that is, based on the brightness adjustment instruction, the firmware in the display parameter control component 300 is used to adjust the liquid crystal driving voltage of the first display apparatus 200, so as to adjust the liquid crystal angle of the first display apparatus 200 based on the change of the liquid crystal driving voltage to adjust the brightness of the first display apparatus 200, and the backlight control circuit 500 changes the output current according to the duty ratio of the adjusted PWM signal, so as to adjust the brightness of the first display apparatus 200 by changing the output current, so that the first device can adjust the brightness of the first display apparatus 200 by using different adjustment ways, and ensure that the adjustment ways are more flexible.
Moreover, in the case that the first device includes the adjustment switch 600, the display parameter control module 300 may send a PWM signal with a fixed duty ratio, and send a control instruction for adjusting the duty ratio of the PWM signal to the adjustment switch 600 according to the first luminance information and the second luminance information, and the adjustment switch 600 adjusts the duty ratio of the PWM signal from the display parameter control module 300 according to the control instruction, so as to ensure that the adjustment switch 600 adjusts the duty ratio of the PWM signal when the display parameter control module 300 does not support the automatic adjustment of the duty ratio of the PWM signal, which may improve the adjustment efficiency compared with the refresh of the display parameter control module 300.
Referring to fig. 13, a schematic structural diagram of a second device provided in embodiment 8 of the present application is shown in fig. 13, where the second device may include, but is not limited to: a second communication interface 500, a second display device 600, a memory 700, and a processor 800.
A second communication interface 500, which can be used to establish a communication connection with the first device.
And a second display device 600 for displaying information.
The memory 700 is used to store a set of computer instructions.
Processor 800, configured to implement the following by executing a set of instructions stored on a memory:
in response to establishing a communication connection with the first device based on the second communication interface 500 to enable the first device to enter the first mode, a current first display parameter of the first display apparatus 200 of the first device is acquired, a current second display parameter of the second display apparatus of the second device is acquired, and the first display parameter and the second display parameter are transmitted to the first device based on the second communication interface 500.
When the first device enters the first mode, the first device is used as an external display of the second device, and under the condition that the first device does not have the capability of directly acquiring the display parameters of the first display device 200, the second device acquires the current first display parameters of the first display device 200 of the first device and the current second display parameters of the second display device of the second device, and transmits the current first display parameters of the first display device 200 and the current second display parameters of the second display device of the second device to the first device. Accordingly, the first device receives the current first display parameters of the first display apparatus 200 and the current second display parameters of the second display apparatus from the second device.
Under the condition that the first communication interface 100 is a first digital interface, a second digital interface is correspondingly arranged on the second device, and the first digital interface of the first device is connected with the second digital interface of the second device. Accordingly, when acquiring the current first display parameter of the first display apparatus 200 of the first device, the processor 800 may be specifically configured to:
acquiring extended display identification data of the first device through a second digital interface;
according to the extended display identification data, the current first display parameter of the first display apparatus 200 is obtained.
The extended display identification data may include, but is not limited to: model information of the first display device 200. In the case that the extended display identification data includes model information of the first display apparatus 200, the current first display parameter of the first display apparatus 200 is acquired according to the extended display identification data of the first device, which may include but is not limited to:
searching the display parameter corresponding to the model information of the first display device 200 in the display database, and if the display parameter is found, taking the found display parameter as the current first display parameter of the first display device 200. The display database comprises the corresponding relation between a plurality of display model information and the matched display parameters.
When the processor 800 transmits the first display parameter and the second display parameter to the first device, the processor may specifically be configured to:
and the first display parameter and the second display parameter are transmitted to the first equipment through a direct digital control channel of the second digital interface.
After the first device enters the first mode, the second device can transmit a display signal to the first device through the second communication interface 500, so that the first device displays information based on the display signal.
Referring to fig. 14, a flowchart of a display parameter control method provided in embodiment 9 of the present application, where the method may be applied to a first device, as shown in fig. 14, the method may include, but is not limited to, the following steps:
step S101, when the first device enters the first mode, acquiring a current first display parameter of a first display device of the first device and a current second display parameter of a second display device of the second device.
In this embodiment, the first device may switch from a power-off state to enter the first mode, or switch from the second mode to enter the first mode. In the first mode, the first device acts as an extended display for the second device.
The first mode may be, but is not limited to: extended mode or copy mode. The extended mode may be understood as: a mode of expanding a display range of the second device. In the extended mode, the second device may display different or the same information on the first display means of the first device and on the second display means of the second device, respectively. It is to be understood that in the extended mode, the first display means of the first device and the second display means of the second device may be displayed out of synchronization.
In the copy mode, the second device may display the same information on the first display means of the first device and the second display means of the second device, respectively, and the first display means of the first device and the second display means of the second device display in synchronization.
When the first device enters the first mode, the first device is used as an external display of the second device, under the condition that the first device does not have the capability of acquiring the display parameters of the first display device, the second device acquires the current first display parameters of the first display device of the first device and the current second display parameters of the second display device of the second device, and transmits the current first display parameters of the first display device and the current second display parameters of the second display device of the second device to the first device. Accordingly, the first device receives the current first display parameter of the first display device and the current second display parameter of the second display device from the second device.
And S102, performing display parameter processing on the first display device based on the first display parameter and the second display parameter so as to match the display parameters of the first display device and the second display device.
In this embodiment, the first display parameter may include, but is not limited to: the first luminance information, and accordingly, the second display parameter may include second luminance information.
The process of performing display parameter processing on the first display device based on the first display parameter and the second display parameter may include, but is not limited to:
and adjusting the duty ratio of the pulse width modulation signal based on the first brightness information and the second brightness information, so that the backlight control circuit changes the output current according to the adjusted duty ratio of the pulse width modulation signal, and the brightness of the first display device is adjusted by changing the output current.
The process of performing display parameter processing on the first display device based on the first display parameter and the second display parameter may include, but is not limited to:
the embedded controller of the first equipment receives the first display parameter and the second display parameter transmitted by the display parameter control component of the first equipment; comparing the first display parameter with the second display parameter; determining a display parameter adjusting instruction according to a comparison result that the first display parameter and the second display parameter are not matched; and transmitting the display parameter adjusting instruction to the display parameter control component so that the display parameter control component adjusts the display parameters of the first display device based on the display parameter adjusting instruction.
Under the condition that the first display parameter comprises first brightness information and the second display parameter comprises second brightness information, the display parameter adjusting instruction is a brightness adjusting instruction; the process of adjusting the display parameter of the first display device based on the display parameter adjusting instruction by the display parameter control component may include:
and adjusting the liquid crystal driving voltage of the first display device by utilizing firmware in the display parameter control assembly based on the brightness adjusting instruction so as to adjust the liquid crystal angle of the first display device based on the change of the liquid crystal driving voltage and adjust the brightness of the first display device.
In the first mode, the first display device displays information based on a display signal provided by the second equipment; the first device is further operable to operate in a second mode in which the first display means displays information based on a display signal provided by the first device.
Referring to fig. 15, a flow chart of a display parameter control method provided in embodiment 10 of the present application, which may be applied to a second device, is shown in fig. 15, and the method may include, but is not limited to, the following steps:
step S201, in response to establishing a communication connection with the first device, the first device enters a first mode, and a current first display parameter of a first display apparatus of the first device is obtained.
The process of acquiring a current first display parameter of a first display device of a first device may include:
acquiring extended display identification data of the first device through a second digital interface;
and acquiring the current first display parameter of the first display device according to the extended display identification data.
The extended display identification data may include, but is not limited to: model information of the first display device. In the case that the extended display identification data includes model information of the first display apparatus, the obtaining of the current first display parameter of the first display apparatus according to the extended display identification data of the first device may include, but is not limited to:
and searching the display parameters corresponding to the model information of the first display device in the display database, and if the display parameters are searched, taking the searched display parameters as the current first display parameters of the first display device. The display database comprises the corresponding relation between a plurality of display model information and the matched display parameters.
Step S202, acquiring a current second display parameter of a second display device of the second equipment.
In this embodiment, the second device may capture a current second display parameter of a second display apparatus of the second device through an operating system of the second device.
The second display parameter may be second luminance information. The second brightness information captured by the operating system includes: a typical luminance value; or, a typical luminance value to luminance adjustment ratio.
In the case where only the typical luminance value is captured, the typical luminance value is the second luminance information.
Under the condition that the typical brightness value and the brightness adjustment ratio are captured, second brightness information can be obtained through calculation according to the typical brightness value and the brightness adjustment ratio.
And S203, transmitting the first display parameter and the second display parameter to the first equipment.
After the first device enters the first mode, the second device can transmit a display signal to the first device through the second communication interface, so that the first device displays information based on the display signal.
It should be noted that each embodiment is mainly described as a difference from the other embodiments, and the same and similar parts between the embodiments may be referred to each other.
For convenience of description, the above system or apparatus is described as being divided into various modules or units by function, respectively. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
Finally, it is further noted that, herein, relational terms such as first, second, third, fourth, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims (10)

1. A first device, comprising:
the first communication interface can be used for establishing communication connection with second equipment;
the first display device is used for displaying information;
the display parameter control assembly is respectively connected with the first communication interface and the first display device and is used for: when the first equipment enters a first mode, acquiring a current first display parameter of a first display device of the first equipment and a current second display parameter of a second display device of the second equipment; performing display parameter processing on the first display device based on the first display parameter and the second display parameter so as to match the display parameters of the first display device and the second display device;
wherein, in the first mode, the first display device displays information based on a display signal provided by the second device; the first device is further capable of operating in a second mode in which the first display apparatus displays information based on a display signal provided by the first device.
2. The first device of claim 1, further comprising:
the embedded controller is connected with the display parameter control component and is used for:
receiving the first display parameter and the second display parameter transmitted by the display parameter control component; comparing the first display parameter with the second display parameter; determining a display parameter adjusting instruction according to a comparison result that the first display parameter and the second display parameter are not matched; transmitting the display parameter adjustment instruction to the display parameter control component to enable the display parameter control component to adjust the display parameters of the first display device based on the display parameter adjustment instruction.
3. The first device of claim 2, wherein the first display parameter comprises first luminance information and the second display parameter comprises second luminance information;
the display parameter adjusting instruction is a brightness adjusting instruction;
when the display parameter control component adjusts the display parameter of the first display device based on the display parameter adjustment instruction, the display parameter control component is specifically configured to:
and adjusting the liquid crystal driving voltage of the first display device by utilizing firmware in the display parameter control component based on the brightness adjusting instruction so as to adjust the liquid crystal angle of the first display device based on the change of the liquid crystal driving voltage and adjust the brightness of the first display device.
4. The first device of claim 1, wherein the first display parameter comprises first luminance information and the second display parameter comprises second luminance information;
the first equipment also comprises a backlight control circuit of the first display device, and the backlight control circuit is connected with the display parameter control component;
the display parameter control component is specifically configured to, when performing display parameter processing on the first display device based on the first display parameter and the second display parameter:
and adjusting the duty ratio of the pulse width modulation signal based on the first brightness information and the second brightness information, so that the backlight control circuit changes the output current according to the adjusted duty ratio of the pulse width modulation signal, and the brightness of the first display device is adjusted by changing the output current.
5. The first device of claim 4, further comprising an adjustment switch coupled to the display parameter control component;
the display parameter modulation module is specifically configured to, when adjusting the duty ratio of the pulse width modulation signal according to the first luminance information and the second luminance information:
and sending a control instruction for adjusting the duty ratio of the pulse width modulation signal to the regulating switch according to the first brightness information and the second brightness information, so that the regulating switch adjusts the duty ratio of the pulse width modulation signal according to the control instruction.
6. The first device of claim 1, wherein the first device switches from an off state into the first mode or from the second mode into the first mode.
7. The first device of claim 1, the first communication interface being a first digital interface;
the display parameter control component, when acquiring a current first display parameter of a first display device of the first device and a current second display parameter of a second display device of the second device, is specifically configured to:
acquiring the first display parameter and the second display parameter transmitted by the second device through a direct digital control channel of a second digital interface;
wherein the second digital interface is connected with the first digital interface; the first display parameter and the second display parameter are encapsulated in a predetermined field of extended display identification data transmitted through the second digital interface.
8. A second device, comprising:
the second communication interface can be used for establishing communication connection with the first equipment;
the second display device is used for displaying information;
a memory for storing a set of computer instructions;
a processor for implementing the following by executing a set of instructions stored on the memory:
responding to the communication connection established between the second communication interface and the first equipment to enable the first equipment to enter a first mode, acquiring current first display parameters of a first display device of the first equipment, acquiring current second display parameters of a second display device of the second equipment, and transmitting the first display parameters and the second display parameters to the first equipment based on the second communication interface;
after the first device enters the first mode, the second device can transmit a display signal to the first device through the second communication interface, so that the first device displays information based on the display signal.
9. The device of claim 8, the second communication interface being a second digital interface, the second digital interface being connected to the first digital interface of the first device;
when the processor obtains a current first display parameter of a first display device of the first device, the processor is specifically configured to:
obtaining extended display identification data of the first device through the second digital interface;
acquiring a current first display parameter of the first display device according to the extended display identification data;
when transmitting the first display parameter and the second display parameter to the first device, the processor is specifically configured to:
the first display parameter and the second display parameter are transmitted to the first device through a direct digital control channel of the second digital interface.
10. A display parameter control method is applied to a first device and comprises the following steps:
when the first equipment enters a first mode, acquiring a current first display parameter of a first display device of the first equipment and a current second display parameter of a second display device of the second equipment;
performing display parameter processing on the first display device based on the first display parameter and the second display parameter so as to match the display parameters of the first display device and the second display device;
wherein, in the first mode, the first display device displays information based on a display signal provided by the second device; the first device is further capable of operating in a second mode in which the first display apparatus displays information based on a display signal provided by the first device.
CN202110347620.2A 2021-03-31 2021-03-31 First device, second device, and display parameter control method Pending CN113535103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110347620.2A CN113535103A (en) 2021-03-31 2021-03-31 First device, second device, and display parameter control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110347620.2A CN113535103A (en) 2021-03-31 2021-03-31 First device, second device, and display parameter control method

Publications (1)

Publication Number Publication Date
CN113535103A true CN113535103A (en) 2021-10-22

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Country Link
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