CN112634837A - Display data transmission method and device and display equipment - Google Patents
Display data transmission method and device and display equipment Download PDFInfo
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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Abstract
The application discloses a display data transmission method and device and display equipment. Wherein, the method comprises the following steps: comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line data except the first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying; and determining data sent to the driving chip from the data to be displayed according to the comparison result. The liquid crystal display device solves the technical problems that in the existing liquid crystal display technology, an output circuit of a TCON chip and a receiving circuit of a driving chip are in working states for a long time, and power consumption is large.
Description
Technical Field
The application relates to the field of liquid crystal display screens, in particular to a display data transmission method and device and display equipment.
Background
The liquid crystal display screen mainly achieves display through two chips, namely a Timing Controller (TCON) chip and a driving chip.
TCON chip: the received data is processed and then synchronized to a control Signal (Gate Timing Signal) and display data.
A driving chip: opening a corresponding row according to the received control signal; and converting the data into analog signals and displaying the analog signals on corresponding lines.
For example, the resolution is 1920x1080, and there are 1080 lines. In the conventional display technology, the TCON chip needs to transmit 1080 lines of data and a line control signal no matter what picture is displayed. The driver chip needs to receive 1080 lines of data and control signals. The traditional mode requires that an output circuit of the TCON chip and a receiving circuit of the driving chip are in working states for a long time, and the power consumption is large.
Aiming at the problems that in the existing liquid crystal display technology, an output circuit of a TCON chip and a receiving circuit of a driving chip are in a working state for a long time and the power consumption is large, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the application provides a display data transmission method and device and display equipment, and aims to at least solve the technical problems that an output circuit of a TCON chip and a receiving circuit of a driving chip are in a working state for a long time and the power consumption is large in the existing liquid crystal display technology.
According to an aspect of an embodiment of the present application, there is provided a display data transmission method, including: comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line data except the first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying; and determining data sent to the driving chip from the data to be displayed according to the comparison result.
Optionally, before comparing the target data in the data to be displayed with the data to be displayed in the previous row of the target data, the method further includes: and sending the first row of data to the driving chip for storage.
Optionally, determining the data to be displayed sent to the driving chip from the data to be displayed according to the comparison result, including: if the target data is the same as the data to be displayed in the previous line of the target data, refusing to send the data to the driving chip; and if the target data and the data to be displayed in the previous line of the target data have different data, sending the target data to the driving chip.
Optionally, if the target data is the same as the previous line of data to be displayed of the target data, sending a holding signal and a control signal to the driving chip, wherein the driving chip keeps the previous line of data to be displayed stored in the driving chip unchanged after receiving the holding signal; and after receiving the control signal, sending the previous row of data to be displayed to the display for displaying.
Optionally, if the target data and the previous line of data to be displayed of the target data have different data, after synchronizing the target data to the control signal, sending the target data to the driving chip through the control signal, wherein the driving chip sends the target data to the display for displaying after receiving the control signal.
According to another aspect of the embodiments of the present application, there is also provided a transmission apparatus for display data, including: the comparison module is used for comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line of data except the first line of data in the data to be displayed, the previous line data to be displayed is stored in the driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying; and the determining module is used for determining the data to be displayed sent to the driving chip from the data to be displayed according to the comparison result.
According to another aspect of the embodiments of the present application, there is also provided a display device including: the display device comprises a time sequence control chip, a driving chip and a display, wherein the time sequence control chip is used for comparing target data in data to be displayed with previous line data to be displayed of the target data, the data to be displayed is displayed in the display according to lines, the target data is any line of data in the data to be displayed except the first line data, and the previous line data to be displayed is stored in the driving chip; determining data to be displayed sent to the driving chip from the data to be displayed according to the comparison result; the driving chip is communicated with the time sequence control chip and is used for converting data to be displayed into an analog signal and sending the analog signal to the display for displaying; and the display is communicated with the driving chip and is used for displaying the data to be displayed.
Optionally, the timing control chip is further configured to send the first row of data to the driving chip for storage before comparing the target data with the data to be displayed in the previous row of the target data.
According to still another aspect of the embodiments of the present application, there is provided a non-volatile storage medium, where the non-volatile storage medium includes a stored program, and the apparatus in which the non-volatile storage medium is located is controlled to execute the above transmission method of the display data when the program runs.
According to still another aspect of the embodiments of the present application, there is also provided a processor for executing a program stored in a memory, wherein the program executes the above transmission method of display data.
In the embodiment of the application, target data in the data to be displayed and previous line data of the target data are compared, wherein the data to be displayed are displayed in a display in lines, the target data are any line data except the first line data in the data to be displayed, the previous line data to be displayed are stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying; according to the comparison result, the mode of data sent to the driving chip is determined from the data to be displayed, and the purposes of improving the utilization rate of data transmission and reducing the utilization rates of the output circuit of the TCON chip and the receiving circuit of the driving chip are achieved by improving and optimizing the data transmission mode between the TCON chip and the driving chip, so that the technical effect of reducing power consumption on the basis of keeping the display effect is achieved, and the technical problems that in the existing liquid crystal display technology, the output circuit of the TCON chip and the receiving circuit of the driving chip are in a working state for a long time and the power consumption is large are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of a method for transmitting display data according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a method for transmitting display data according to an embodiment of the present application;
FIG. 3 is a schematic diagram of another method for transmitting display data according to an embodiment of the present application;
fig. 4 is a block diagram of a transmission apparatus for display data according to an embodiment of the present application;
fig. 5 is a structural block of a display device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 partial embodiments of the present application, but 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present application, there is provided an embodiment of a method for transmitting display data, it should be noted that the steps shown in the flowchart of the figure may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that shown.
Fig. 1 is a flowchart of a transmission method of display data according to an embodiment of the present application, and as shown in fig. 1, the method includes the following steps:
step S102, comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line data except the first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying;
and step S104, determining data sent to the driving chip from the data to be displayed according to the comparison result.
Through the steps, the data transmission mode between the TCON chip and the drive chip is improved and optimized, the purposes of improving the utilization rate of data transmission and reducing the utilization rates of the output circuit of the TCON chip and the receiving circuit of the drive chip are achieved, and therefore the technical effect of reducing power consumption on the basis of keeping the display effect is achieved.
According to an alternative embodiment of the present application, before step S102 is executed, the first row of data needs to be sent to the driver chip for storage.
In some optional embodiments of the present application, step S104 is implemented by: if the target data is the same as the data to be displayed in the previous line of the target data, refusing to send the data to the driving chip; and if the target data and the data to be displayed in the previous line of the target data have different data, sending the target data to the driving chip.
According to an optional embodiment of the present application, if the target data is the same as the previous line of data to be displayed of the target data, sending a hold signal and a control signal to the driving chip, wherein the driving chip keeps the previous line of data to be displayed stored in the driving chip unchanged after receiving the hold signal; and after receiving the control signal, sending the previous row of data to be displayed to the display for displaying.
The TCON chip compares the Nth row of data with the Nth-1 row of data before outputting the Nth row of data. If the data in the two rows are the same, the TCON chip does not output data. The Hold signal (Hold signal) is output to the driving chip, and then the Gate Timing signal is output. The driving chip keeps the data of the previous line, and after receiving the Gate Timing signal, the data is displayed on the LCD.
According to another optional embodiment of the application, if the target data and the data to be displayed in the previous row of the target data have different data, after the target data are synchronized to the control signal, the target data are sent to the driving chip through the control signal, wherein the driving chip sends the target data to the display for displaying after receiving the control signal.
If the two rows of data are different, the TCON chip works in a common mode and outputs data and a Gate Timing signal to the driving chip. The driving chip receives the Nth row of data, stores the Nth row of data and displays the Nth row of data on the LCD.
Fig. 2 is a schematic diagram of a transmission method of display data according to an embodiment of the present application, and as shown in fig. 2, data of a part of rows in a frame is the same:
for example, the data of the 2 nd and 3 rd rows are the same as the data of the 1 st row, and the TCON chip stops operating without outputting the data of the 2 nd and 3 rd rows. The driving chip repeatedly displays the data of the 1 st line at the positions of the 2 nd and 3 rd lines.
The 5 th row of data is the same as the 4 th row of data, and the TCON chip does not output the data of the 5 th row of data and stops working. The driving chip repeatedly displays the data of the 4 th row at the position of the 5 th row.
Fig. 3 is a schematic diagram of another display data transmission method according to an embodiment of the present application, and as shown in fig. 3, if the display screen is data that is the same for each line, a situation may occur in which the TCON chip and the driving chip are transmitted only once in one frame, in which case, the operating time of the output circuit and the driving circuit of the TCON is only one line.
By adopting the Point-to-Point (Point-to-Point) data transmission mode between the TCON chip and the drive chip, when each row of data is different, the working mode is the same as that of the traditional P2P protocol; when continuous row data are the same in one frame of data, the output circuit of the TCON chip and the receiving circuit of the driving chip can reduce the utilization rate and enter a power down state, so that the technical effect of reducing power consumption is achieved.
In addition, most of the existing driving chips can support the storage of one row of data, so that the additional cost is not increased, and the support of the transmission mode can be realized only by relatively simple circuit modification to match the protocol.
Fig. 4 is a block diagram of a transmission apparatus for display data according to an embodiment of the present application, and as shown in fig. 4, the apparatus includes:
the comparison module 40 is configured to compare target data in the data to be displayed with previous line data of the target data to be displayed, where the data to be displayed is displayed in a line in the display, the target data is any line of data except for the first line of data in the data to be displayed, the previous line data to be displayed is stored in the driver chip, and the driver chip is configured to send the data to be displayed to the display for displaying;
and the determining module 42 is configured to determine the data to be displayed, which is sent to the driving chip, from the data to be displayed according to the comparison result.
It should be noted that, reference may be made to the description related to the embodiment shown in fig. 1 for a preferred implementation of the embodiment shown in fig. 4, and details are not described here again.
Fig. 5 is a block diagram of a display device according to an embodiment of the present application, and as shown in fig. 5, the display device includes: a timing control chip 50, a driver chip 52, and a display 54, wherein,
the time sequence control chip 50 is used for comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display according to lines, the target data is any line data except the first line data in the data to be displayed, and the previous line data to be displayed is stored in the driving chip; determining data to be displayed sent to the driving chip from the data to be displayed according to the comparison result;
a driving chip 52, in communication with the timing control chip 50, for converting data to be displayed into an analog signal and sending the analog signal to the display 54 for display;
and a display 54, in communication with the driver chip 52, for displaying data to be displayed.
According to another alternative embodiment of the present application, the timing control chip 50 is further configured to send the first row of data to the driving chip 52 for storage before comparing the target data with the previous row of data to be displayed of the target data.
It should be noted that, reference may be made to the description related to the embodiment shown in fig. 1 for a preferred implementation of the embodiment shown in fig. 5, and details are not described here again.
The embodiment of the application also provides a nonvolatile storage medium, wherein the nonvolatile storage medium comprises a stored program, and the device where the nonvolatile storage medium is located is controlled to execute the transmission method of the display data when the program runs.
The nonvolatile storage medium stores a program for executing the following functions: comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line data except the first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying; and determining data sent to the driving chip from the data to be displayed according to the comparison result.
The embodiment of the application also provides a processor, wherein the processor is used for operating the program stored in the memory, and the program executes the transmission method of the display data when running.
The processor is used for running a program for executing the following functions: comparing target data in the data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line data except the first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying; and determining data sent to the driving chip from the data to be displayed according to the comparison result.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a read-Only Memory (ROM), a random access Memory (RBJGGM, RBJGGndom BJGGccess Memory), a removable hard disk, a magnetic disk or an optical disk, and various media capable of storing program codes.
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 method for transmitting display data, comprising:
comparing target data in data to be displayed with previous line data to be displayed of the target data, wherein the data to be displayed is displayed in a display in lines, the target data is any line data except the first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying;
and determining data sent to the driving chip from the data to be displayed according to the comparison result.
2. The method of claim 1, wherein before comparing the target data in the data to be displayed with the data to be displayed in the previous row of the target data, the method further comprises:
and sending the first row of data to the driving chip for storage.
3. The method of claim 1, wherein determining the data to be displayed to be sent to a driver chip from the data to be displayed according to the comparison result comprises:
if the target data is the same as the data to be displayed in the previous line of the target data, refusing to send the data to the driving chip;
and if the target data and the data to be displayed in the previous line of the target data have different data, sending the target data to the driving chip.
4. The method according to claim 3, wherein if the target data is the same as the previous line data to be displayed of the target data, sending a holding signal and a control signal to the driving chip, wherein the driving chip keeps the previous line data to be displayed stored in the driving chip unchanged after receiving the holding signal; and after receiving the control signal, sending the previous row of data to be displayed to the display for displaying.
5. The method according to claim 4, wherein if the target data and the data to be displayed in the previous row of the target data have different data, the target data is synchronized to the control signal and then sent to the driving chip through the control signal, and the driving chip sends the target data to the display for displaying after receiving the control signal.
6. A transmission apparatus for display data, comprising:
the display device comprises a comparison module, a display module and a display module, wherein the comparison module is used for comparing target data in data to be displayed with previous line data to be displayed of the target data, the data to be displayed is displayed in a display in lines, the target data is any line of data except for first line data in the data to be displayed, the previous line data to be displayed is stored in a driving chip, and the driving chip is used for sending the data to be displayed to the display for displaying;
and the determining module is used for determining the data to be displayed sent to the driving chip from the data to be displayed according to the comparison result.
7. A display device, comprising: a time sequence control chip, a driving chip and a display, wherein,
the time sequence control chip is used for comparing target data in data to be displayed with data to be displayed in the previous row of the target data, wherein the data to be displayed is displayed in a display according to rows, the target data is any row of the data to be displayed except the first row of the data, and the data to be displayed in the previous row is stored in the driving chip; determining data to be displayed sent to the driving chip from the data to be displayed according to the comparison result;
the driving chip is communicated with the time sequence control chip and is used for converting the data to be displayed into an analog signal and sending the analog signal to the display for displaying;
and the display is communicated with the driving chip and is used for displaying the data to be displayed.
8. The display device according to claim 7, wherein the timing control chip is further configured to send the first row of data to the driving chip for storage before comparing target data with data to be displayed in a previous row of the target data.
9. A non-volatile storage medium, comprising a stored program, wherein when the program runs, a device in which the non-volatile storage medium is located is controlled to execute the transmission method of display data according to any one of claims 1 to 5.
10. A processor for executing a program stored in a memory, wherein the program is executed to perform the transmission method of display data according to any one of claims 1 to 5.
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| CN202011511800.1A CN112634837A (en) | 2020-12-18 | 2020-12-18 | Display data transmission method and device and display equipment |
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| CN202011511800.1A CN112634837A (en) | 2020-12-18 | 2020-12-18 | Display data transmission method and device and display equipment |
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| KR20010082791A (en) * | 2000-02-21 | 2001-08-31 | 허용석 | Apparatus and method for processing and driving video signals |
| CN103489392A (en) * | 2013-10-22 | 2014-01-01 | 合肥京东方光电科技有限公司 | Time schedule control method, time program controller and display device |
| US20160104445A1 (en) * | 2014-10-13 | 2016-04-14 | Samsung Display Co., Ltd. | Method of driving display panel and display apparatus for performing the same |
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