CN114283762A - Dynamic refreshing display driving method, server and storage medium - Google Patents
Dynamic refreshing display driving method, server and storage medium Download PDFInfo
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Abstract
The invention discloses a dynamic refreshing display driving method, a server and a storage medium in the technical field of circuit driving, wherein the dynamic refreshing display driving method comprises the following steps: collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information; judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame; the refreshing processing of the subsequent frame is controlled according to the judgment result, and each pixel does not need to be refreshed in the subsequent continuous similar frames, the pixels with changes are refreshed, and the pixels without changes are skipped, so that each frame only scans the rows needing to be updated, and the row refreshing rate is effectively reduced.
Description
Technical Field
The present invention relates to the field of circuit driving technologies, and in particular, to a dynamic refresh display driving method, a server, and a storage medium.
Background
The existing display technologies such as TFTLCD, AMOLED, and micro LED adopt the driving technology of active pixels and progressive scanning.
When a display is used to display animation or process documents in the prior art, the displayed pictures are ordered in time, that is, the signal displayed by each pixel has a high probability of being the same as the signal displayed by the pixel in the previous frame.
However, in the process of implementing the technical solution of the invention in the embodiments of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:
macroscopically, the relevance of the previous and the next frames is very high, and in the adjacent image pictures, generally, the difference pixels are only pixels within 10% (the brightness difference value change usually does not exceed 2%, and the chroma difference value change is only within 1%); with the upgrading and upgrading of the display device, the number of pixels is rapidly increased, the refreshing frequency is greatly increased, and the power consumption is increased.
Based on this, the present invention has devised a subject name to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems mentioned in the background art, the present invention provides a dynamic refresh display driving method, a server, and a storage medium.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dynamic refresh display driving method is characterized by comprising the following steps:
collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information;
judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame;
and controlling the refreshing treatment of the subsequent frame according to the judgment result.
Preferably, the judgment information includes: the information of the display pictures of the front frame and the rear frame is the same, the display pictures of the front frame and the rear frame are different and the pictures of the front frame and the rear frame are the same, and the display pictures of the front frame and the rear frame are not completely the same and the pictures of the front frame and the rear frame are different.
Preferably, the processing for equalizing the display screen information of the preceding and following frames includes:
and after the first frame picture, giving up refreshing the subsequent frame, and adding a judgment bit for controlling the frame scanning action in the Tcon control design.
Preferably, the processing that the front and rear frames display different pictures in the whole frame and the front and rear frames display the same pictures in the line includes:
skipping the line pictures which do not need to be updated by the encoder, and scanning the line pictures which need to be updated by each frame.
Preferably, the processing that the front and rear frames display the whole frame of pictures which are not identical and the front and rear frame line pictures are different includes:
columns that do not need to be updated are held in a high impedance state by the decoder and loaded by the latch.
A server, comprising a memory and a processor, the memory having a dynamic refresh display driver stored thereon, the dynamic refresh display driver when executed by the processor performing the steps of:
collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information;
judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame;
and controlling the refreshing treatment of the subsequent frame according to the judgment result.
A computer-readable storage medium having a dynamic refresh display driver stored thereon, wherein the dynamic refresh display driver is executable by one or more processors to implement the steps of the dynamic refresh display driving method described above.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
according to the invention, each pixel does not need to be refreshed in subsequent continuous similar frames, the pixels with changes are refreshed, and the pixels without changes are skipped, so that each frame only scans the rows needing to be updated, and the row refresh rate is effectively reduced.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a block diagram of a driving process of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Example one
The invention provides a technical scheme that: a dynamic refresh display driving method includes the steps of:
collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information;
judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame;
and controlling the refreshing treatment of the subsequent frame according to the judgment result.
Through the steps, it is not difficult to find that when a display is used for displaying animation or processing documents, in order to judge the relevance of the previous and next frames, a display memory is needed to be adopted for storing and comparing the same pixel information of the previous and next frames, and in order to reduce the refreshing of each pixel in the subsequent continuous similar frames, the previous and next frames of the animation or the processed documents are judged and analyzed by the whole frame picture and the line picture, and the refreshing control of the subsequent frames is further realized according to the refreshing conditions met by the judgment results and the refreshing processing mode corresponding to the refreshing conditions, so that the regulation and control of the frame refreshing rate are realized.
In order to perform refresh processing of display data for different association degrees of previous and subsequent frames, the determination information includes: the information of the display pictures of the front frame and the rear frame is the same, the display pictures of the front frame and the rear frame are different and the pictures of the front frame and the rear frame are the same, and the display pictures of the front frame and the rear frame are not completely the same and the pictures of the front frame and the rear frame are different.
In order to realize processing when the front and rear frames display the whole frame picture and the front and rear frame line pictures are the same, the processing of the front and rear frame display picture information is the same comprises the following steps:
and after the first frame picture, giving up refreshing the subsequent frame, and adding a judgment bit for controlling the frame scanning action in the Tcon control design.
In this embodiment, the frame scanning action is controlled by adding the judgment bit in the Tcon control design, thereby reducing the frame refresh rate.
It is necessary to supplement that, through the design of the Tcon circuit and the change of the row and column driving circuits, the refresh frequency of the display frame, row and point is dynamically reduced, thereby reducing the display power consumption and prolonging the service life of the device.
In order to realize the filtering refreshing processing in the display process of the front frame and the rear frame, the processing that the whole frame pictures of the front frame and the rear frame are different and the front frame and the rear frame line pictures are the same comprises the following steps:
skipping the line pictures which do not need to be updated by the encoder, and scanning the line pictures which need to be updated by each frame.
In this embodiment, it is added that the encoder is preferably obtained by modifying a shift register, and a conventional line scanning circuit (gate driver) adopts the principle of a fixed frequency shift register, and scanning is performed in a regular sequence such as progressive or interlaced, but considering the correlation degree of the previous and next frames, a part of line data does not need to be updated, and the shift register needs to be modified into the encoder so as to skip the lines which do not need to be updated, thereby realizing that each frame only scans the lines which need to be updated, and thus reducing the line refresh rate.
In order to realize the processing under the condition that the whole frame and the line picture frame are displayed differently, the processing that the whole frame picture displayed by the front frame and the back frame is not completely the same and the line pictures of the front frame and the back frame are different comprises the following steps:
columns that do not need to be updated are held in a high impedance state by the decoder and loaded by the latch.
In this embodiment, it should be noted that the decoder is preferably an improvement added to an original latch, and a conventional column data signal (source driver) uses a latch to lock all column data in a row at the same time, and selects a row for loading according to row scanning; however, considering the relevance of the previous frame and the next frame, part of the column data does not need to be updated, a decoder needs to be added into the original latch, so that the columns which do not need to be updated keep a high-impedance state, and the columns which need to be updated are loaded through the latch, thereby reducing the point refresh rate.
According to the above, the present invention further provides a specific implementation process of the dynamic refresh display driving method, wherein the LVDS image data input signals (input signals include RGB data signals, clock signals, and control signals) (or other image data input signals) sent from the digital board are processed by a 101-TCON unit (logic board), converted into LVDS signals capable of driving the display screen, and then directly sent to the LVDS receiving chip of the display screen; the image data signals are stored by processing the shift register, the clock signals are converted into control signals which can be identified by the display screen, and the MOSFET tubes in the row-column signal control screen work to control the torsion degree of liquid crystal molecules or the OLED/LED pixels to emit light; driving the display screen to display images, as shown in fig. 1:
102-gate unit: the array units are turned on in sequence by row.
103-source unit: and converting the corresponding display data of each row into voltage, and charging and discharging the storage capacitor of each pixel where the 102-gate unit in the array unit opens the row to the voltage of the corresponding gray scale.
104-array unit: an array of pixels is displayed.
Example two
The invention also provides a server, which comprises a memory and a processor, wherein the memory is stored with a dynamic refresh display driver, and the dynamic refresh display driver realizes the following steps when being executed by the processor:
collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information;
judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame;
and controlling the refreshing treatment of the subsequent frame according to the judgment result.
In the above, the processor may be a Central Processing Unit (CPU), a controller, a microcontroller, a microprocessor or other data Processing chip in some embodiments, and is used to execute program codes stored in the memory or process data, such as executing a dynamic refresh display driver.
EXAMPLE III
A computer readable storage medium having a dynamic refresh display driver stored thereon, the dynamic refresh display driver being executable by one or more processors to implement the steps of the dynamic refresh display driving method described in the above embodiments.
The computer readable storage medium may be any one or any combination of a hard disk, a multimedia card, an SD card, a flash memory card, an SMC, a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), a portable compact disc read only memory (CD-ROM), a USB memory, and the like. The computer readable storage medium includes a dynamic refresh display driver, and the specific implementation of the computer readable storage medium of the present invention is substantially the same as the specific implementation of the dynamic refresh display driver method and the server, and will not be described herein again.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A dynamic refresh display driving method is characterized by comprising the following steps:
collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information;
judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame;
and controlling the refreshing treatment of the subsequent frame according to the judgment result.
2. A dynamic refresh display driving method according to claim 1, wherein said judgment information includes: the information of the display pictures of the front frame and the rear frame is the same, the display pictures of the front frame and the rear frame are different and the pictures of the front frame and the rear frame are the same, and the display pictures of the front frame and the rear frame are not completely the same and the pictures of the front frame and the rear frame are different.
3. The dynamic refresh display driving method according to claim 2, wherein the process of making the display screen information of the preceding and following frames identical comprises:
and after the first frame picture, giving up refreshing the subsequent frame, and adding a judgment bit for controlling the frame scanning action in the Tcon control design.
4. The dynamic refresh display driving method according to claim 2, wherein the processing that the frames before and after display are different and the frames before and after display are the same comprises:
skipping the line pictures which do not need to be updated by the encoder, and scanning the line pictures which need to be updated by each frame.
5. The dynamic refresh display driving method according to claim 2, wherein the processing that the previous and subsequent frames display the whole frame of pictures which are not identical and the previous and subsequent frames display the pictures in different rows comprises:
columns that do not need to be updated are held in a high impedance state by the decoder and loaded by the latch.
6. A server, comprising a memory and a processor, the memory having a dynamic refresh display driver stored thereon, the dynamic refresh display driver when executed by the processor performing the steps of:
collecting picture information of a front frame and a rear frame, wherein the picture information comprises a whole frame picture and line picture information;
judging a refreshing condition met by the picture information of the previous frame and the picture information of the next frame;
and controlling the refreshing treatment of the subsequent frame according to the judgment result.
7. A computer readable storage medium having a dynamic refresh display driver stored thereon, the dynamic refresh display driver executable by one or more processors to implement the steps of the dynamic refresh display driving method of any one of claims 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111577278.1A CN114283762A (en) | 2021-12-22 | 2021-12-22 | Dynamic refreshing display driving method, server and storage medium |
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| WO2024077419A1 (en) * | 2022-10-09 | 2024-04-18 | 卓永红 | Graphic processing apparatus and method for refreshing display panel by time and blocks, and device |
| CN118397968A (en) * | 2024-07-01 | 2024-07-26 | 惠科股份有限公司 | Display panel driving method and display panel |
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