CN111489680A - Signal transmission method and device in display device and electronic equipment - Google Patents
Signal transmission method and device in display device and electronic equipment Download PDFInfo
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Abstract
The embodiment of the application discloses a method and a device for transmitting signals in a display device and electronic equipment, wherein the method comprises the following steps: when the main time schedule controller receives initial synchronous data, acquiring the period of a data effective signal; the initial synchronization data comprises the data valid signal and a clock signal; when the period of the effective data signal is not equal to a preset period, adjusting the period of the effective data signal to obtain an adjustment signal, wherein the period of the adjustment signal is equal to the preset period; the master time sequence controller respectively sends adjusting synchronous data to the master time sequence controller and each slave time sequence controller, and the adjusting synchronous data comprises the adjusting signals and the clock signals; and the master time sequence controller and each slave time sequence controller transmit video signals according to the adjustment synchronous data respectively. According to the signal transmission method and device in the display device and the electronic equipment, the uniformity of charging can be improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a method and an apparatus for transmitting a signal in a display device, and an electronic device.
Background
Currently, a high-resolution display panel requires a plurality of timing controllers including a master timing controller and a plurality of slave timing controllers for driving. Each slave time schedule controller is connected with the master time schedule controller.
The master time schedule controller is used for transmitting synchronous data to the slave time schedule controller, and the synchronous data comprises a data effective signal and a clock signal; however, due to the difference between the clock signals of the slave timing controllers and the master timing controller and between the clock signals of the slave timing controllers, and the difference between the data valid signals of the slave timing controllers and the master timing controller and between the data valid signals of the slave timing controllers, the phase difference of the slave timing controllers is large, and the charging of the display panel is uneven.
Disclosure of Invention
The embodiment of the application provides a signal transmission method and device in a display device and an electronic device, which can avoid phase difference of each time schedule controller and improve charging uniformity.
The embodiment of the application provides a method for transmitting signals in a display device, wherein the display device comprises a time sequence control chip and a display panel;
the time sequence control chip comprises a master time sequence controller and at least two slave time sequence controllers; the master time schedule controller is connected with each slave time schedule controller; the lengths of connecting lines between the slave time sequence controllers and the master time sequence controller are equal;
the display panel comprises a plurality of sub-display areas, wherein the master timing controller corresponds to one of the sub-display areas, and the slave timing controllers correspond to the rest of the sub-display areas;
the method comprises the following steps:
when the main time schedule controller receives initial synchronous data, acquiring the period of the data effective signal; the initial synchronization data comprises a data valid signal and a clock signal;
when the period of the effective data signal is not equal to a preset period, adjusting the period of the effective data signal to obtain an adjustment signal, wherein the period of the adjustment signal is equal to the preset period;
the master time sequence controller respectively sends adjusting synchronous data to the master time sequence controller and each slave time sequence controller, and the adjusting synchronous data comprises the adjusting signals and the clock signals;
and the master time sequence controller and each slave time sequence controller respectively transmit video signals according to the adjustment synchronous data.
The embodiment of the application provides a control device of a time sequence controller, wherein the display device comprises a time sequence control chip and a display panel;
the time sequence control chip comprises a master time sequence controller and at least two slave time sequence controllers; the master time schedule controller is connected with each slave time schedule controller; the lengths of connecting lines between the slave time sequence controllers and the master time sequence controller are equal;
the display panel comprises a plurality of sub-display areas, wherein the master timing controller corresponds to one of the sub-display areas, and the slave timing controllers correspond to the rest of the sub-display areas;
the device comprises:
the acquisition module is used for acquiring the period of the data effective signal when the main timing controller receives initial synchronous data; the initial synchronization data comprises a data valid signal and a clock signal;
the adjusting module is used for adjusting the period of the effective data signal to obtain an adjusting signal when the period of the effective data signal is not equal to a preset period, wherein the period of the adjusting signal is equal to the preset period;
the sending module is used for controlling the master time sequence controller to respectively send adjustment synchronous data to the master time sequence controller and each slave time sequence controller, and the adjustment synchronous data comprises the adjustment signals and the clock signals;
and the transmission module is used for controlling the master time sequence controller and each slave time sequence controller to transmit the video signals according to the adjustment synchronous data.
An embodiment of the present application further provides an electronic device, which includes a processor, a memory, and a computer program that is stored in the memory and is executable on the processor, and when the processor executes the computer program, the processor implements a signal transmission method in any one of the display devices.
According to the signal transmission method and device in the display device and the electronic equipment, when the main timing controller receives initial synchronous data, the period of the effective data signal is obtained; the initial synchronization data comprises a data valid signal and a clock signal; when the period of the effective data signal is not equal to a preset period, adjusting the period of the effective data signal to obtain an adjustment signal, wherein the period of the adjustment signal is equal to the preset period; the master time sequence controller respectively sends adjusting synchronous data to the master time sequence controller and each slave time sequence controller, and the adjusting synchronous data comprises the adjusting signals and the clock signals; the master time sequence controller and each slave time sequence controller respectively transmit video signals according to the adjustment synchronous data; because the master time sequence controller and each slave time sequence controller carry out video signal transmission by the same adjustment synchronous data, the phase difference between the time sequence controllers can be avoided, and the charging uniformity is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a conventional display device.
Fig. 2 is a schematic structural diagram of a timing control chip according to an embodiment of the present application.
Fig. 3 is a flowchart illustrating a method for transmitting signals in a display device according to an embodiment of the present disclosure.
Fig. 4 is a flowchart illustrating a method for transmitting signals in a display device according to another embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of a signal transmission device in a display device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a signal transmission device in a display device according to another embodiment 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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
As shown in fig. 1, the conventional display device 100 includes a main board 10, a timing control chip 20, and a display panel 40, wherein the display panel 40 includes a source driving chip, and the source driving chip in the display panel 40 is connected to the timing control chip 20 through a flexible connector 30.
The timing control chip 20 is also connected to the main board 10. The main board 10 is used for providing video signals to the timing control chip 20; the video signal includes a plurality of frames of image data.
The timing control chip 20 is a key component of the display panel for displaying the image data of the current frame, and is configured to convert the image data into pixel data, and then convert the pixel data into a data signal by the source driving chip, and input the data signal into the display panel.
In one embodiment, the timing control chip 20 includes a master timing controller 21 and two slave timing controllers 22, wherein each slave timing controller 22 is connected to the master timing controller 21. It is understood that the number of the slave timing controllers 22 is not limited thereto. The display panel 40 may include three sub-display regions, each sub-display region corresponds to a slave timing controller 22, the master timing controller 21 corresponds to a sub-display region, and the master timing controller 21 transmits synchronization data to each slave timing controller 22.
The display device of the embodiment of the invention is different from the prior display device in that: the structure of the timing control chip of this embodiment is different from that of the timing control chip of the previous embodiment, as shown in fig. 2, the timing control chip 50 includes: a master timing controller 51 and two slave timing controllers 52, wherein each slave timing controller 52 is connected to the master timing controller 51. And the lengths of the connection lines between the slave timing controllers 52 and the master timing controller 51 are equal.
The master timing controller 51 is configured to simultaneously transmit the adjusted synchronization data to the slave timing controller and the master timing controller 51, that is, after the master timing controller 51 adjusts the initial synchronization data, the initial synchronization data is returned to the master timing controller 51 through the feedback receiving terminal 511, and the adjusted synchronization data is transmitted to the slave timing controller through the signal output terminal 512, where the synchronization data includes a data valid signal DE and a clock signal C L K.
In one embodiment, to reduce the number of connection lines, the signal output terminal 512 is connected to the slave timing controller through two connection lines, and the two connection lines have an intersection point; the feedback receiver 511 is connected to the intersection.
Referring to fig. 3, fig. 3 is a flowchart illustrating a signal transmission method in a display device according to an embodiment of the present disclosure. The method can comprise the following steps:
s101, when the primary timing controller receives initial synchronous data, acquiring the period of a data effective signal;
for example, wherein the initial synchronization data comprises a data valid signal and a clock signal.
And when the main time schedule controller receives the initial synchronous data, the main time schedule controller detects the period of the data effective signal acquired by the main time schedule controller.
S102, when the period of the effective data signal is not equal to a preset period, adjusting the period of the effective data signal to obtain an adjusting signal, wherein the period of the adjusting signal is equal to the preset period;
the preset period is designed according to the resolution of the real panel, and includes a first preset threshold and a second preset threshold, and in an embodiment, the first preset threshold may be a preset high level threshold; the second preset threshold is a preset low level threshold; one high level and one low level constitute one period.
For example, in an embodiment, the method may further comprise: determining whether the period of the data valid signal is equal to a preset period, wherein the determining whether the period of the data valid signal is equal to the preset period may include:
and when the number of the first levels of the data valid signals is not equal to the first preset threshold value and/or when the number of the second levels of the data valid signals is not equal to the second preset threshold value, determining that the period of the data valid signals is not equal to the preset period. That is, when one of the number of the first levels and the number of the second levels is not equal to the preset threshold, it is determined that the period of the data valid signal is not equal to the preset period.
For example, whether the number of high levels of the data valid signal is equal to the preset high level threshold value and whether the number of low levels of the data valid signal is equal to the preset low level threshold value are judged; and if the number of the high levels of the data effective signals is equal to the preset high level threshold value, not processing the data effective signals, and if the number of the low levels of the data effective signals is equal to the preset low level threshold value, not processing the data effective signals.
If the number of the high levels of the data effective signals is not equal to the preset high level threshold, adjusting the number of the high levels of the data effective signals, and/or if the number of the low levels of the data effective signals is not equal to the preset low level threshold, adjusting the number of the low levels of the data effective signals to obtain an adjustment signal. Wherein the period of the adjustment signal is equal to the preset period.
S103, the master timing controller sends adjusting synchronous data to the master timing controller and each slave timing controller respectively;
for example, wherein the trim synchronization data includes a trim signal and a clock signal. Thereafter, the master timing controller transmits the adjustment signal and the clock signal to itself and each slave timing controller, respectively.
And S104, the master time sequence controller and each slave time sequence controller transmit video signals according to the adjustment synchronous data respectively.
For example, the master timing controller and each slave timing controller transmit video signals according to the adjustment synchronization data, respectively.
The master time sequence controller and each slave time sequence controller carry out video signal transmission according to the adjusted synchronous data, namely the master time sequence controller and the slave time sequence controllers are accessed with the same data effective signal and clock signal, so that phase difference between the time sequence controllers can be avoided, and the charging uniformity is improved.
Referring to fig. 4, fig. 4 is a flowchart illustrating a signal transmission method in a display device according to another embodiment of the present disclosure. The method can comprise the following steps:
s201, when the main timing controller receives initial synchronous data, acquiring the number of first levels and the number of second levels of a data effective signal;
for example, wherein the initial synchronization data comprises a data valid signal and a clock signal.
The data valid signal has a first level and a second level; wherein the first level is greater than the second level.
When the main time schedule controller receives the initial synchronous data, the main time schedule controller detects the number of the high level and the low level of the data effective signal obtained by the main time schedule controller so as to obtain the number of the first level and the number of the second level.
S202, obtaining the period of the data effective signal according to the number of the first levels and the number of the second levels.
For example, the period of the data valid signal is obtained based on the number of high levels and the number of low levels, where one high level and one low level constitute one period.
S203, when the number of the first levels of the data effective signals is not equal to the first preset threshold value, adjusting the number of the first levels;
in an embodiment, in order to further improve the uniformity of charging, the adjusting the number of the first levels may include:
s2031, when the number of the first levels of the data valid signals is larger than a first preset threshold, reducing the number of the first levels of the data valid signals;
for example, by reducing the number of first levels of the data valid signal, the period of the data valid signal is shortened.
S2032, when the number of the first levels of the data valid signal is less than a first preset threshold, increasing the number of the first levels of the data valid signal.
For example, by increasing the number of first levels of the data valid signal, the period of the data valid signal is extended.
S204, when the number of second levels of the data effective signals is not equal to the second preset threshold value, adjusting the number of the second levels;
in an embodiment, in order to further improve the uniformity of charging, the adjusting the number of the second levels may include:
s2041, when the number of the second levels of the data valid signal is greater than a second preset threshold, reducing the number of the second levels of the data valid signal;
for example, by reducing the number of second levels of the data valid signal, the period of the data valid signal is shortened.
S2042, when the number of the second levels of the data valid signal is smaller than a second preset threshold, increasing the number of the second levels of the data valid signal.
For example, by increasing the number of second levels of the data valid signal, the period of the data valid signal is extended.
S205, the master timing controller sends adjusting synchronous data to the master timing controller and each slave timing controller respectively;
for example, wherein the trim synchronization data includes a trim signal and a clock signal. Thereafter, the master timing controller transmits the adjustment signal and the clock signal to itself and each slave timing controller, respectively.
And S206, the master timing controller and each slave timing controller transmit video signals according to the adjusted synchronous data respectively.
For example, the master timing controller and each slave timing controller respectively transmit video signals according to the adjustment synchronization data, such as converting the video signals first and then transmitting the converted video signals to the source driving chip.
The master time sequence controller and each slave time sequence controller carry out video signal transmission through the same synchronous data (adjusting synchronous data), so that the master time sequence controller and the slave time sequence controllers are accessed into the same data effective signal and clock signal, phase difference between the time sequence controllers can be avoided, and charging uniformity is improved.
In a specific embodiment, the method specifically includes:
(1) the TCON (timing controller) receives the data valid signal DE and the clock signal C L K, beats them two times and counts them, wherein the two beats are to avoid entering the metastable state so as to make the parameter MTBF (mean time between failure) as large as possible.
(2) And judging whether the DE count is equal to a preset period or not.
(3) And if the count of the DE is greater than the preset period M, reducing the count of the DE to enable the final count of the DE to be equal to the preset period M.
(4) And if the count of the DE is greater than the preset period, increasing the count of the DE to enable the final count of the DE to be equal to the preset period M.
Based on the same inventive concept, the embodiment of the present application further provides a signal transmission apparatus in a display apparatus, as shown in fig. 5 and 6, wherein the control apparatus 60 includes: an acquisition module 61, an adjustment module 62, a sending module 63 and a transmission module 64;
an obtaining module 61, configured to obtain a period of the data valid signal when the primary timing controller receives initial synchronization data; the initial synchronization data comprises a data valid signal and a clock signal;
the adjusting module 62 is configured to adjust the period of the data valid signal to obtain an adjusting signal when the period of the data valid signal is not equal to a preset period, where the period of the adjusting signal is equal to the preset period;
a sending module 63, configured to control the master timing controller to send adjustment synchronization data to the master timing controller and each slave timing controller, respectively, where the adjustment synchronization data includes the adjustment signal and the clock signal;
and the transmission module 64 is used for controlling the master timing controller and each slave timing controller to transmit the video signals according to the adjustment synchronous data.
In an embodiment, the obtaining module 61 is specifically configured to:
respectively acquiring the number of first levels and the number of second levels of the data effective signals; the data valid signal has a first level and a second level; wherein the first level is greater than the second level; and obtaining the period of the data effective signal according to the number of the first levels and the number of the second levels.
In one embodiment, the preset period may include a first preset threshold and a second preset threshold;
with reference to fig. 6, the apparatus further includes a determining module 65, configured to: when the number of the first levels of the data valid signals is not equal to the first preset threshold value; and/or when the number of the second levels of the data valid signal is not equal to the second preset threshold, determining that the period of the data valid signal is not equal to the preset period.
In one embodiment, the adjustment module 62 includes:
a first adjusting unit 621, configured to adjust the number of first levels of the data valid signal when the number of first levels is not equal to the first preset threshold;
a second adjusting unit 622, configured to adjust the number of second levels of the data valid signal when the number of second levels is not equal to the second preset threshold.
In an embodiment, the first adjusting unit 621 is specifically configured to:
when the number of the first levels of the data valid signal is larger than a first preset threshold value, reducing the number of the first levels of the data valid signal; and when the number of the first levels of the data valid signals is smaller than a first preset threshold value, increasing the number of the first levels of the data valid signals.
In an embodiment, the second adjusting unit 622 is specifically configured to:
when the number of the second levels of the data valid signal is larger than a second preset threshold value, reducing the number of the second levels of the data valid signal;
and when the number of the second levels of the data valid signals is smaller than a second preset threshold value, increasing the number of the second levels of the data valid signals.
Additionally, an embodiment of the present invention further provides an electronic device, including: a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing a method of transmitting signals in a display device according to any one of the above when executing the program.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
According to the signal transmission method and device in the display device and the electronic equipment, when the main timing controller receives initial synchronous data, the period of the effective data signal is obtained; the initial synchronization data comprises a data valid signal and a clock signal; when the period of the effective data signal is not equal to a preset period, adjusting the period of the effective data signal to obtain an adjustment signal, wherein the period of the adjustment signal is equal to the preset period; the master time sequence controller respectively sends adjusting synchronous data to the master time sequence controller and each slave time sequence controller, and the adjusting synchronous data comprises the adjusting signals and the clock signals; the master time sequence controller and each slave time sequence controller respectively transmit video signals according to the adjustment synchronous data; because the master time sequence controller and each slave time sequence controller carry out video signal transmission by the same adjustment synchronous data, the phase difference between the time sequence controllers can be avoided, and the charging uniformity is improved.
The foregoing detailed description of the method and apparatus for transmitting signals in a display device and an electronic device provided in the embodiments of the present application have been presented, and specific examples are used herein to explain the principles and implementations of the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A method for transmitting signals in a display device is characterized in that the display device comprises a time sequence control chip and a display panel;
the time sequence control chip comprises a master time sequence controller and at least two slave time sequence controllers; the master time schedule controller is connected with each slave time schedule controller; the lengths of connecting lines between the slave time sequence controllers and the master time sequence controller are equal;
the display panel comprises a plurality of sub-display areas, wherein the master timing controller corresponds to one of the sub-display areas, and the slave timing controllers correspond to the rest of the sub-display areas;
the method comprises the following steps:
when the main time schedule controller receives initial synchronous data, acquiring the period of a data effective signal; the initial synchronization data comprises the data valid signal and a clock signal;
when the period of the effective data signal is not equal to a preset period, adjusting the period of the effective data signal to obtain an adjustment signal, wherein the period of the adjustment signal is equal to the preset period;
the master time sequence controller respectively sends adjusting synchronous data to the master time sequence controller and each slave time sequence controller, and the adjusting synchronous data comprises the adjusting signals and the clock signals;
and the master time sequence controller and each slave time sequence controller respectively transmit video signals according to the adjustment synchronous data.
2. The method according to claim 1, wherein the step of obtaining the period of the data valid signal comprises:
respectively acquiring the number of first levels and the number of second levels of the data effective signals; the data valid signal has a first level and a second level; wherein the first level is greater than the second level;
and obtaining the period of the data effective signal according to the number of the first levels and the number of the second levels.
3. The method according to claim 2, wherein the first level is higher than the second level; the preset period comprises a first preset threshold and a second preset threshold;
the step of judging whether the period of the data valid signal is equal to the preset period comprises the following steps:
and when the number of the first levels of the data valid signals is not equal to the first preset threshold value and/or when the number of the second levels of the data valid signals is not equal to the second preset threshold value, determining that the period of the data valid signals is not equal to the preset period.
4. The method according to claim 1, wherein the signal is transmitted from the transmitter,
when the period of the data valid signal is not equal to a preset period, the step of adjusting the period of the data valid signal includes:
when the number of the first levels of the data effective signals is not equal to the first preset threshold value, adjusting the number of the first levels;
when the number of the second levels of the data valid signal is not equal to the second preset threshold, adjusting the number of the second levels.
5. The method according to claim 4, wherein the signal is transmitted from the transmitter,
the step of adjusting the number of first levels comprises:
when the number of the first levels of the data valid signal is larger than the first preset threshold, reducing the number of the first levels of the data valid signal;
and when the number of the first levels of the data valid signals is smaller than the first preset threshold value, increasing the number of the first levels of the data valid signals.
6. The method according to claim 4, wherein the signal is transmitted from the transmitter,
the step of adjusting the number of second levels comprises:
when the number of the second levels of the data valid signal is larger than the second preset threshold, reducing the number of the second levels of the data valid signal;
and when the number of the second levels of the data valid signals is smaller than the second preset threshold value, increasing the number of the second levels of the data valid signals.
7. The transmission device of the signal in a kind of display device, wherein the said display device includes sequential control chip and display panel;
the time sequence control chip comprises a master time sequence controller and at least two slave time sequence controllers; the master time schedule controller is connected with each slave time schedule controller; the lengths of connecting lines between the slave time sequence controllers and the master time sequence controller are equal;
the display panel comprises a plurality of sub-display areas, wherein the master timing controller corresponds to one of the sub-display areas, and the slave timing controllers correspond to the rest of the sub-display areas;
the transmission device of the signal comprises:
the acquisition module is used for acquiring the period of a data effective signal when the main timing controller receives initial synchronous data; the initial synchronization data comprises the data valid signal and a clock signal;
the adjusting module is used for adjusting the period of the effective data signal to obtain an adjusting signal when the period of the effective data signal is not equal to a preset period, wherein the period of the adjusting signal is equal to the preset period;
the sending module is used for controlling the master time sequence controller to respectively send adjustment synchronous data to the master time sequence controller and each slave time sequence controller, and the adjustment synchronous data comprises the adjustment signals and the clock signals;
and the transmission module is used for controlling the master time sequence controller and each slave time sequence controller to transmit the video signals according to the adjustment synchronous data.
8. The apparatus for transmitting a signal according to claim 7, wherein the obtaining module is specifically configured to:
respectively acquiring the number of first levels and the number of second levels of the data effective signals; the data valid signal has a first level and a second level; wherein the first level is greater than the second level; and obtaining the period of the data effective signal according to the number of the first levels and the number of the second levels.
9. The apparatus for transmitting signals according to claim 8, wherein the first level is greater than the second level; the preset period comprises a first preset threshold and a second preset threshold;
the device further comprises a judging module for:
and when the number of the first levels of the data valid signals is not equal to the first preset threshold value and/or when the number of the second levels of the data valid signals is not equal to the second preset threshold value, determining that the period of the data valid signals is not equal to the preset period.
10. An electronic device comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, wherein the processor implements a signal transmission method in a display apparatus according to any one of claims 1 to 6 when executing the program.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010414209.8A CN111489680B (en) | 2020-05-15 | 2020-05-15 | Signal transmission method and device in display device and electronic equipment |
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| CN202010414209.8A CN111489680B (en) | 2020-05-15 | 2020-05-15 | Signal transmission method and device in display device and electronic equipment |
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| CN111489680A true CN111489680A (en) | 2020-08-04 |
| CN111489680B CN111489680B (en) | 2023-10-31 |
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| CN202010414209.8A Active CN111489680B (en) | 2020-05-15 | 2020-05-15 | Signal transmission method and device in display device and electronic equipment |
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| CN114822347A (en) * | 2022-03-29 | 2022-07-29 | 北京奕斯伟计算技术有限公司 | Source driving system, signal synchronization method thereof and display device |
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