CN114089936A - Display drive control method, device, equipment and storage medium - Google Patents
Display drive control method, device, equipment and storage medium Download PDFInfo
- Publication number
- CN114089936A CN114089936A CN202111296173.9A CN202111296173A CN114089936A CN 114089936 A CN114089936 A CN 114089936A CN 202111296173 A CN202111296173 A CN 202111296173A CN 114089936 A CN114089936 A CN 114089936A
- Authority
- CN
- China
- Prior art keywords
- display
- image
- scanning
- gray
- random number
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000005192 partition Methods 0.000 claims abstract description 93
- 239000011324 bead Substances 0.000 claims description 105
- 238000012937 correction Methods 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012545 processing Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
Abstract
The application provides a display drive control method, a device, equipment and a computer readable storage medium, wherein the display drive control method comprises the following steps: receiving image frame data, and decoding the image frame data to obtain an image data signal and an image control signal; acquiring gray information of the image data signal, and determining a low gray display partition corresponding to the image data signal according to the gray information; extracting a scanning random number in a random scanning database, adjusting the image control signal according to the scanning random number and the low-gray display partition, and determining a scanning driving sequence; and driving the low-gray scale display subarea display image frames according to the scanning driving sequence. The display driving control method can avoid the occurrence of the condition that each row partition of the Mini-LED display screen has a black line under the low-gray-scale display, and optimize the display effect of the Mini-LED display screen.
Description
Technical Field
The present application relates to the field of display screens, and in particular, to a display drive control method, apparatus, device, and storage medium.
Background
At present, with the development of display technology, the gray scale of pictures that can be presented by a Mini-LED display screen is higher and higher. However, the driving circuit of the existing Mini-LED display screen is usually a passive driving circuit, and the driving method is to light up the screen by using the progressive scanning pulse width modulation. However, when a low-gray-scale screen is displayed, the duty ratio becomes very low, which results in a slow lighting speed of the LED lamp beads, and the existing driving mode is that the LED lamp beads are scanned line by line from top to bottom and the Mini-LED display screen is driven and controlled by a plurality of partitions, which results in a slow lighting speed of the LED lamp beads in the case of low-gray-scale display, which results in a plurality of black lines appearing on the partition screens of each row, which affects the display effect.
Disclosure of Invention
The embodiment of the application provides a display drive control method, a display drive control device, display drive control equipment and a storage medium, and aims to solve the technical problem that in the prior art, black lines appear in each row partition of a Mini-LED display screen under low-gray-scale display, so that the display effect is poor.
In one aspect, an embodiment of the present application provides a display drive control method, where the display drive control method includes:
receiving image frame data, and decoding the image frame data to obtain an image data signal and an image control signal;
acquiring gray information of the image data signal, and determining a low gray display partition corresponding to the image data signal according to the gray information;
extracting a scanning random number in a random scanning database, adjusting the image control signal according to the scanning random number and the low-gray display partition, and determining a scanning driving sequence;
and driving the low-gray scale display subarea display image frames according to the scanning driving sequence.
In some embodiments of the present application, the extracting the scan random number from the random scan database, adjusting the image control signal according to the scan random number and the low gray scale display partition, and determining the scan driving order includes:
acquiring the number of rows of lamp beads in a display partition, and generating a scanning random number set corresponding to the number of rows of the lamp beads in the random scanning database;
randomly extracting the scanning random number in the scanning random number set corresponding to the low gray scale display subarea, outputting the scanning random number, adjusting the image control signal according to the scanning random number and the low gray scale display subarea, and determining a scanning driving sequence.
In some embodiments of the present application, the extracting the scan random number from the random scan database, adjusting the image control signal according to the scan random number and the low gray scale display partition, and determining the scan driving order includes:
reading a scanning random number set in the scanning database, and judging whether the scanning random number set is an empty set;
if the scanning random number set is an empty set, judging that the scanning driving sequence of the low gray scale display subarea is determined to be finished;
or the like, or, alternatively,
and if the scanning random number set is a non-empty set, randomly extracting and deleting the scanning random numbers in the scanning random number set, and determining a random scanning lamp bead row corresponding to the scanning random numbers in the low-gray-scale display partition.
In some embodiments of the present application, the receiving image frame data, decoding the image frame data to obtain an image data signal and an image control signal includes:
receiving the image frame data, and decoding the image frame data to obtain image pixel data and an image control signal;
extracting red pixel data, blue pixel data, green pixel data and white field pixel data of the image pixel data;
and carrying out correction calculation on the red pixel data, the blue pixel data, the green pixel data and the white pixel data to obtain the image data signal through correction.
In some embodiments of the present application, the receiving image frame data, decoding the image frame data to obtain an image data signal and an image control signal includes:
receiving the image frame data, and decoding the image frame data to obtain the image data signal and a coding control signal;
and decoding the coding control signal to obtain a line-field synchronizing signal and a data enabling signal carried by the coding control signal, and determining the line-field synchronizing signal and the data enabling signal as the image control signal.
In some embodiments of the present application, the acquiring gray scale information of the image data signal and determining a low gray scale display partition corresponding to the image data signal according to the gray scale information includes:
analyzing the gray information of the image data signal to obtain the partition gray information of the display partition;
judging whether the partition gray information falls into a preset low gray range or not, and obtaining the partition gray information as low gray information according to a judgment result;
and determining the display partition corresponding to the low-gray-scale information as a low-gray-scale display partition.
In some embodiments of the present application, the driving the low gray scale display division display image picture according to the scan driving order includes:
analyzing the image data signals and the image control signals to obtain line image data signals and line image control signals of the lamp bead lines;
configuring lamp bead parameters of the lamp bead rows according to the row image data signals and the row image control signals;
and displaying an image picture corresponding to the image data signal according to the configured lamp bead parameters.
In another aspect, the present application provides a display drive control apparatus including:
the image decoding module is configured to receive image frame data, decode the image frame data and obtain an image data signal and an image control signal;
the gray level determining module is configured to acquire gray level information of the image data signal and determine a low gray level display partition corresponding to the image data signal according to the gray level information;
a random scanning module configured to extract a scanning random number in a random scanning database, and determine a scanning driving sequence according to the scanning random number and the low gray level display partition;
a screen display module configured to drive the low gray scale display division to display an image screen according to the scan driving order.
In another aspect, the present application also provides a display drive control apparatus including:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the display drive control method of any of the above.
In another aspect, the present application also provides a computer-readable storage medium having a computer program stored thereon, the computer program being loaded by a processor to perform the steps of any one of the display drive control methods.
The method comprises the steps of receiving image frame data and decoding the image frame data to obtain an image data signal and an image control signal carried by the image frame data; acquiring gray information in an image data signal, and determining a low-gray display partition which corresponds to the image data signal and needs to be randomly scanned according to the gray information; and extracting a scanning random number in a random scanning database, determining a scanning driving sequence according to the scanning random number and the low-gray-scale display subarea, and driving the low-gray-scale display subarea to display an image picture according to the scanning driving sequence. Therefore, the display picture of the Mini-LED display screen is more uniform, the condition that black lines appear in each low-gray-scale area of each row of the Mini-LED display screen under low-gray-scale display is avoided, the display effect of the Mini-LED display screen is optimized, and the display quality of the Mini-LED display screen driven by the passive driving circuit 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 invention, 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 view illustrating a scene of a display driving control method according to an embodiment of the present application;
FIG. 2 is a flowchart illustrating an embodiment of a display driving control method provided in an embodiment of the present application;
FIG. 3 is a schematic flowchart illustrating another embodiment of a display driving control method according to an embodiment of the present disclosure;
FIG. 4 is a flowchart illustrating a display driving control method according to another embodiment of the present disclosure;
FIG. 5 is a flowchart illustrating a display driving control method according to yet another embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an embodiment of a display drive control apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an embodiment of a display drive control apparatus according to an 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In the description of the present invention, 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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. 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 invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
At present, with the development of display technology, the gray scale of pictures that can be presented by a Mini-LED display screen is higher and higher. However, the driving circuit of the existing Mini-LED display screen is usually a passive driving circuit, and the driving method is to light up the screen by using the progressive scanning pulse width modulation. However, when a low-gray-scale screen is displayed, the duty ratio becomes very low, which results in a slow lighting speed of the LED lamp beads, and the existing driving mode is that the LED lamp beads are scanned line by line from top to bottom and the Mini-LED display screen is driven and controlled by a plurality of partitions, which results in a slow lighting speed of the LED lamp beads in the case of low-gray-scale display, which results in a plurality of black lines appearing on the partition screens of each row, which affects the display effect.
Based on this, the application provides a display drive control method, device, equipment and computer readable storage medium, so as to solve the technical problem in the prior art that the display effect is poor due to black lines in each row partition of a Mini-LED display screen under low-gray-scale display.
The display driving control method in the embodiment of the invention is applied to a display driving control device, the display driving control device is arranged on a display driving control device, one or more processors, a memory and one or more application programs are arranged in the display driving control device, wherein the one or more application programs are stored in the memory and are configured to be executed by the processor to implement the display driving control method; the display driving control device can be an intelligent terminal carrying a Mini-LED display screen, such as a mobile phone, a tablet computer, an intelligent television, an intelligent computer and the like.
As shown in fig. 1, fig. 1 is a schematic view of a scene of a display drive control method according to an embodiment of the present disclosure, where the display drive control scene includes a display drive control device 100 (a display drive control apparatus is integrated in the display drive control device 100), and a computer-readable storage medium corresponding to the display drive control method is run in the display drive control device 100 to execute steps of the display drive control method.
It should be understood that the display driving control apparatus in the display driving control method scenario shown in fig. 1, or the devices included in the display driving control apparatus, do not constitute a limitation to the embodiments of the present invention, that is, the number of devices and the types of devices included in the display driving control apparatus in the display driving control method scenario, or the number of devices and the types of devices included in each device do not affect the overall implementation of the technical solution in the embodiments of the present invention, and can be calculated as equivalent replacements or derivatives of the technical solution claimed in the embodiments of the present invention.
The display drive control apparatus 100 in the embodiment of the present invention is mainly used for: receiving image frame data, and decoding the image frame data to obtain an image data signal and an image control signal; acquiring gray information of the image data signal, and determining a low gray display partition corresponding to the image data signal according to the gray information; extracting a scanning random number in a random scanning database, and determining a scanning driving sequence according to the scanning random number and the low-gray level display partition; and driving the low-gray scale display subarea display image frames according to the scanning driving sequence.
Embodiments of the present application provide a display drive control method, device, apparatus, and computer-readable storage medium, which are described in detail below.
Those skilled in the art can understand that the application environment shown in fig. 1 is only one of the application scenarios related to the present application scheme, and does not constitute a limitation on the application scenario of the present application scheme, and that other application environments may further include more or less display driving control devices than those shown in fig. 1, for example, only one display driving control device is shown in fig. 1, and it is understood that the scenario of the display driving control method may further include one or more display driving control devices, and is not limited herein; the display drive control apparatus 100 may further include a memory for storing image frame data and other data.
It should be noted that the scene diagram of the display driving control method shown in fig. 1 is only an example, and the scene of the display driving control method described in the embodiment of the present invention is for more clearly explaining the technical solution of the embodiment of the present invention, and does not limit the technical solution provided by the embodiment of the present invention.
Based on the above-described scenarios of the display drive control method, various embodiments of the display drive control method disclosed in the present invention are proposed.
As shown in fig. 2, fig. 2 is a schematic flowchart of an embodiment of a display driving control method in an embodiment of the present application, where the image processing method includes the following steps 201 to 204:
201. receiving image frame data, and decoding the image frame data to obtain an image data signal and an image control signal;
the display drive control method in this embodiment is applied to the display drive control device, and the type and the number of the display drive control device are not particularly limited, that is, the display drive control device may be one or more intelligent terminals with Mini-LED display screens, such as a mobile phone, a tablet computer, an intelligent television, an intelligent computer, and the like. In a specific embodiment, the display driving control equipment is an intelligent television with a Mini-LED display screen.
Specifically, the Mini-LED display panel in the display driving control device in this embodiment includes a plurality of display partitions controlled by the driving ICs, and each driving IC independently drives and controls the corresponding display partition, where the driving IC integrates a resistor, a regulator, a comparator, a power transistor, and other components, and includes an LCD module, a display subsystem, and a display driving chip responsible for driving the display and controlling functions such as driving current.
Specifically, the Mini-LED display screen further includes a power module, an FPGA (Field Programmable Gate Array) module, and an image signal processing module.
The power supply module is used for providing working voltage for the display driving IC, the FPGA module and the image signal processing module in the Mini-LED display screen, so that the display driving IC, the FPGA module and the image signal processing module can normally operate.
The FPGA module is used for adjusting the image control signal, so that the low-gray scale display subareas are randomly scanned, and the image picture of the image data signal is displayed.
Optionally, in another embodiment, the image signal processing module may further include a DP interface and a DP decoder.
Specifically, after the display drive control device is started up at power-on, an audiovisual content playing instruction is received, wherein the view content playing instruction is a control instruction for requesting the display drive control device to play a certain audiovisual content, after the display drive control device receives the audiovisual content playing instruction, the display drive control device obtains one or more frames of image frame data corresponding to the audiovisual content pointed by the audiovisual content playing instruction, transmits the image frame data to the Mini-LED display screen through an HDMI interface or a DP interface in the image signal processing module, decodes the image frame data through an HDMI decoder or a DP decoder in the image signal processing module, and decodes the image frame data into an image data signal and an image control signal. Wherein, the image data signal is a data signal carrying the image frame data image picture; the image control signal is a control instruction for driving the Mini-LED to display the image picture corresponding to the image data signal.
The image signal processing module decodes the image frame data to obtain an image data signal and an image control signal, and then transmits the image data signal and the image control signal to the FPGA module for image control signal processing.
202. Acquiring gray information of the image data signal, and determining a low gray display partition corresponding to the image data signal according to the gray information;
in this embodiment, the display drive control device analyzes the image data signal and determines the gradation information carried by the divisional image data signal for each display divisional area in the image data signal. And judging whether the display subarea is a low-gray-scale display subarea or not according to the acquired gray-scale information of each display subarea.
Optionally, the display drive control device is preset with a preset low gray scale interval, and determines whether the gray scale information carried in the partitioned image data signal of each display partition of the display drive control device is low gray scale information according to the preset low gray scale interval, so as to determine whether the display partition is a low gray scale partition in the current image frame data.
Specifically, the display driving control device obtains the highest gray scale of the Mini-LED display screen, and generates a low gray scale threshold according to the highest gray scale, and specifically, the low gray scale threshold may be set to any one value of 15% to 20% of the highest gray scale value. Optionally, in a specific embodiment, the display drive control apparatus sets the low gray level threshold to 15% of the highest gray level value; alternatively, in another embodiment, the display drive control apparatus sets the low gray scale threshold value to 20% of the highest gray scale value.
The display driving control device generates a preset low gray level section according to the low gray level threshold value after acquiring the low gray level threshold value, and determines whether the current display partition for displaying the image frame data is the low gray level display partition according to the preset low gray level section. Specifically, after acquiring the low-gray-level threshold value, the display drive control device generates a low-gray-level section by using the lowest gray-level value as the section left end point and the low-gray-level threshold value as the section right end point.
The display driving control equipment acquires the gray information of the image data signal after generating a low gray range according to the low gray level threshold value, judges whether the gray information falls into a preset low gray range, and determines that the display partition corresponding to the image data signal is a low gray partition if the gray information falls into the preset low gray range. Optionally, in a specific embodiment, the Mini-LED display screen of the display driving control device has 20 × 25 display partitions, and each display partition has a unique pointing number. The display drive control device interprets the gradation information of the image data signal, determines that the gradation information of the display section numbered 123 is below the low gradation threshold value, and determines from the gradation information that the display section numbered 123 is the low gradation display section when displaying the current image data signal. The display drive control equipment carries out optimization drive control on the low-gray display subarea, thereby avoiding the condition that the low-gray display subarea has uneven display and optimizing the display effect of the low-gray display subarea.
203. Extracting a scanning random number in a random scanning database, adjusting the image control signal according to the scanning random number and the low-gray display partition, and determining a scanning driving sequence;
in this embodiment, the display drive control device generates a random scanning database in advance, acquires the number of rows of lamp beads of each display partition, and generates a scanning random number set corresponding to the display partition in the random scanning database, where scanning random numbers in the scanning random number set correspond to the number of rows of lamp beads of the display partition one to one, and each scanning random number corresponds to one row of lamp bead rows in the display partition.
The display drive control device acquires a set of scanning random numbers corresponding to each of the low gray scale display sections in a random scanning database after determining the low gray scale display section based on the gray scale information of each of the display sections, and determines a scanning drive order of the low gray scale display section based on the scanning random numbers in the set of scanning random numbers.
Specifically, the display drive control device randomly extracts a scanning random number corresponding to the number of rows of the low-gray-scale display partition lamp beads to obtain the scanning random number, deletes the scanning random number in the scanning random number set, and after the scanning random number is obtained, the display drive control device adjusts the image control signal according to the scanning random number and changes the scanning drive sequence in the image control signal.
Specifically, after acquiring the scanning random number corresponding to the number of rows of the lamp beads in the low-gray-scale display partition, the display drive control device positions the lamp bead row corresponding to the scanning random number, deletes the scanning random number, and determines whether the scanning random number set is an empty set.
Specifically, if the scanning random number set is a non-empty set, the display drive control device continues to extract the scanning random number in the scanning random number set, determines the lamp bead row corresponding to the scanning random number, and sequentially circulates until the scanning random number set is judged to be an empty set.
Specifically, if the scanning random number set is an empty set, it is determined that the low gray display divisional scanning driving sequence setting is completed.
Specifically, the display drive control device determines the scan drive order of the low gradation display sections according to the extraction order after extracting the scan random number in the scan random number set. Optionally, in a specific embodiment, the scanning random numbers of the scanning random number set of a certain low grayscale display partition sequentially extracted by the display driving control device are 10, 6, 8, 3, 5, 1, 2, 4, 7, and 9, and based on the extraction order of the scanning random numbers, the display driving control device determines that the scanning driving order of the low grayscale display partition is tenth lamp bead row, sixth lamp bead row, eighth lamp bead row, third lamp bead row, fifth lamp bead row, first lamp bead row, second lamp bead row, fourth lamp bead row, seventh lamp bead row, and ninth lamp bead row.
204. And driving the low-gray scale display subarea display image frames according to the scanning driving sequence.
In this embodiment, the display drive control device adjusts the image control signal according to the scan random number, determines a scan driving sequence of the low gray scale display partition, and drives the low gray scale display partition according to the scan driving sequence to display the image picture corresponding to the image frame data.
Specifically, after determining a corresponding lamp bead row in a low gray scale display area according to a scanning random number, the display drive control device transmits a row image data signal and a control signal corresponding to the lamp bead row to a drive IC of the low gray scale display area, and drives and scans the lamp bead row through the drive IC, so that the lamp bead row displays a corresponding image picture according to the row image data signal.
Specifically, in a specific embodiment, the scanning random numbers of the scanning random number set of a certain low gray scale display partition sequentially extracted by the display driving control device are 10, 6, 8, 3, 5, 1, 2, 4, 7, and 9, and based on the extraction order of the scanning random numbers, the display driving control device determines that the scanning driving order of the low gray scale display partition is tenth bead row, sixth bead row, eighth bead row, third bead row, fifth bead row, first bead row, second bead row, fourth bead row, seventh bead row, and ninth bead row. The display driving control device sends row image data signals and row control signals corresponding to a tenth lamp bead row, a sixth lamp bead row, an eighth lamp bead row, a third lamp bead row, a fifth lamp bead row, a first lamp bead row, a second lamp bead row, a fourth lamp bead row, a seventh lamp bead row and a ninth lamp bead row to a driving IC of the low-gray-level display partition according to a scanning driving sequence, the control driving IC randomly scans the lamp bead rows in the low-gray-level display partition one by one according to the scanning sequence of the tenth lamp bead row, the sixth lamp bead row, the eighth lamp bead row, the third lamp bead row, the fifth lamp bead row, the first lamp bead row, the second lamp bead row, the fourth lamp bead row, the seventh lamp bead row and the ninth lamp bead row so that the lamp bead rows display corresponding image pictures according to the scanning driving sequence, therefore, the scanning sequence of each scanning of the low-gray display partition is random scanning.
In this embodiment, the display drive control device receives image frame data and decodes the image frame data to obtain an image data signal and an image control signal carried by the image frame data; acquiring gray information in an image data signal, and determining a low-gray display partition which corresponds to the image data signal and needs to be randomly scanned according to the gray information; and extracting a scanning random number in a random scanning database, determining a scanning driving sequence of a low-gray-scale display partition according to the scanning random number, and driving the low-gray-scale display partition to display an image picture according to the scanning driving sequence. The scanning of the low-gray-scale display subareas is more uniform, so that the condition that black lines appear in each row subarea of the Mini-LED display screen under the low-gray-scale display is avoided, and the display effect of the Mini-LED display screen is improved.
As shown in fig. 3, fig. 3 is a schematic flowchart of another embodiment of a display driving control method provided in the embodiment of the present application.
Based on the above embodiments, the display driving control method of the present application further includes steps 301 to 303:
301. receiving the image frame data, and decoding the image frame data to obtain image pixel data and an image control signal;
302. extracting red pixel data, blue pixel data, green pixel data and white field pixel data of the image pixel data;
303. and carrying out correction calculation on the red pixel data, the blue pixel data, the green pixel data and the white pixel data to obtain the image data signal through correction.
In this embodiment, the display drive control device acquires one or more frames of image frame data of the audiovisual content, transmits the image frame data to the Mini-LED display screen through the HDMI interface or the DP interface in the image signal processing module, decodes the image frame data through the HDMI decoder or the DP decoder in the image signal processing module, and decodes the image frame data into the image pixel signal and the image control signal. And after acquiring the image pixel signal, the display drive control equipment transmits the image pixel signal to the FPGA module for pixel correction.
Specifically, the display driving control equipment takes red display data of a Mini-LED display screen as red correction data in advance through an optical camera module;
the display driving control equipment also comprises an optical camera module for shooting blue display data of the Mini-LED display screen in advance to serve as blue correction data;
the display driving control equipment shoots green display data of the Mini-LED display screen as green correction data in advance through the optical camera module;
the display drive control apparatus photographs white field display data of the Mini-LED display screen as white field correction data in advance by the optical camera module.
The display drive control device extracts red pixel data in the image pixel signal, performs correction calculation on the red pixel data according to the red correction data, and corrects the red pixel data according to the calculation result;
the display drive control device extracts blue pixel data in the image pixel signal, performs correction calculation on the blue pixel data according to the blue correction data, and corrects the blue pixel data according to the calculation result;
the display drive control equipment extracts green pixel data in the image pixel signal, carries out correction calculation on the green pixel data according to the green correction data, and corrects the green pixel data according to the calculation result;
the display driving control device extracts white field pixel data in an image pixel signal, carries out correction calculation on the white field pixel data according to white field correction data, corrects the white field pixel data according to the calculation result, and synthesizes the corrected red pixel data, the blue pixel data, the green pixel data and the white field pixel data to obtain a corrected image data signal. The display drive control device randomly scans the low gray display area according to the corrected image data signal and displays an image picture corresponding to the image data signal.
In this embodiment, the display drive control apparatus obtains a corrected image data signal by obtaining correction data of the display screen in advance by using the optical imaging module and performing correction calculation on image pixel data according to the correction data, and performs random scanning on a low-grayscale display area according to the corrected image data signal and displays an image corresponding to the image data signal. Thereby effectively improving the display effect of the display drive control apparatus.
As shown in fig. 4, fig. 4 is a schematic flowchart of a display driving control method provided in an embodiment of the present application.
Based on the above embodiments, the display driving control method of the present application further includes steps 401 to 402:
401. receiving the image frame data, and decoding the image frame data to obtain the image data signal and a coding control signal;
402. and decoding the coding control signal to obtain a line-field synchronizing signal and a data enabling signal carried by the coding control signal, and determining the line-field synchronizing signal and the data enabling signal as the image control signal.
In this embodiment, the display driving control device obtains one or more frames of image frame data of the audiovisual content, transmits the image frame data to the Mini-LED display screen through the HDMI interface or the DP interface in the image signal processing module, and decodes the image frame data through the HDMI decoder or the DP decoder in the image signal processing module to obtain the image data favorite and encoding control signal.
The display driving control device decodes the coding control signal after acquiring the coding control signal, acquires a line field synchronization signal and a data enable signal carried by the coding control signal, and marks the line field synchronization signal and the data enable signal as an image control signal. And the lamp bead rows in the display subareas are subjected to random driving control through the line-field synchronizing signal and the data enabling signal.
Specifically, the display driving control device randomly scans the lamp bead lines in the low-gray display area through the line-field synchronizing signal, and determines the scanning condition of the lamp bead lines according to the line-field synchronizing signal after the scanning of each line of the lamp bead lines is finished.
Specifically, the display drive control device further distinguishes image frame data according to the data enable signal, thereby determining an effective image data signal in the image data signal, and scans the bead line according to the effective image data signal.
In this embodiment, the display drive control device receives the image frame data, decodes the image frame data, and obtains the image data signal and the encoding control signal; decoding the coding control signal to obtain a line-field synchronizing signal and a data enabling signal carried by the coding control signal, determining the line-field synchronizing signal and the data enabling signal as the image control signal, and scanning a display partition in a display screen of the display drive control equipment according to the image control signal to improve the display effect of the display drive control equipment.
As shown in fig. 5, fig. 5 is a schematic flowchart of a display driving control method provided in an embodiment of the present application.
Based on the above embodiments, the display driving method of the present application further includes steps 501 to 503:
501. analyzing the image data signals and the image control signals to obtain line image data signals and line image control signals of the lamp bead lines;
502. configuring lamp bead parameters of the lamp bead rows according to the row image data signals and the row image control signals;
503. and displaying an image picture corresponding to the image data signal according to the configured lamp bead parameters.
In this embodiment, after determining the random scanning order of the low gray scale display partition according to the scanning random number, the display drive control device analyzes the image data signal and the image control signal to obtain a row image data signal and a row image control signal of each lamp bead row in the low gray scale display partition.
After acquiring a row image data signal and a row image control signal of each lamp bead row in a low-gray-scale display partition, the display drive control equipment performs time sequence control processing on the row image data signal and the row image control signal through the FPGA module, and transmits the row image data signal and the row image control signal after the time sequence control processing to the drive IC module, so that the drive IC module configures lamp bead parameters of the lamp bead rows according to the row image data signal and the row image control signal, and adjusts pixel color parameters and scanning parameters of each lamp bead in the lamp bead rows, so that the lamp beads of the lamp bead rows can display image pictures corresponding to the image data signals during scanning driving.
And after the display drive control equipment configures the lamp bead parameters of the lamp bead rows according to the row image data signals and the row image control signals, the lamp bead rows in the low-gray-scale display subareas are lightened in a random scanning mode through the drive IC module, so that the low-gray-scale display subareas display corresponding image pictures.
In this embodiment, the display drive control device obtains the line image data signal and the line image control signal of the lamp bead line by analyzing the image data signal and the image control signal; configuring lamp bead parameters of the lamp bead rows according to the row image data signals and the row image control signals; and displaying an image picture corresponding to the image data signal according to the configured lamp bead parameters. The lamp bead rows of each display partition are lightened in a random scanning mode, so that the images of the display partitions are more uniform, and the picture display effect of the display partitions under the condition of low gray level is improved.
In order to better implement the display driving control method in the embodiment of the present application, on the basis of the display driving control method, an embodiment of the present application further provides a display driving control device, as shown in fig. 6, fig. 6 is a schematic structural diagram of an embodiment of the display driving control apparatus provided in the embodiment of the present application, where the display driving control device 600 includes:
an image decoding module 601 configured to receive image frame data, decode the image frame data, and obtain an image data signal and an image control signal;
a gray level determining module 602 configured to obtain gray level information of the image data signal, and determine a low gray level display partition corresponding to the image data signal according to the gray level information;
a random scanning module 603 configured to extract a scanning random number from a random scanning database, adjust the image control signal according to the scanning random number and the low gray level display partition, and determine a scanning driving order;
a screen display module 604 configured to drive the low gray scale display division to display an image screen according to the scan driving order.
In some embodiments of the present application, the display driving control device extracting a scanning random number from a random scanning database, adjusting the image control signal according to the scanning random number and the low gray level display partition, and determining a scanning driving order includes:
acquiring the number of rows of lamp beads in a display partition, and generating a scanning random number set corresponding to the number of rows of the lamp beads in the random scanning database;
randomly extracting the scanning random number in the scanning random number set corresponding to the low gray scale display subarea, outputting the scanning random number, adjusting the image control signal according to the scanning random number and the low gray scale display subarea, and determining a scanning driving sequence.
In some embodiments of the present application, the display driving control device extracting a scanning random number from a random scanning database, adjusting the image control signal according to the scanning random number and the low gray level display partition, and determining a scanning driving order includes:
reading a scanning random number set in the scanning database, and judging whether the scanning random number set is an empty set;
if the scanning random number set is an empty set, judging that the scanning driving sequence of the low gray scale display subarea is determined to be finished;
or the like, or, alternatively,
and if the scanning random number set is a non-empty set, randomly extracting and deleting the scanning random numbers in the scanning random number set, and determining the lamp bead rows corresponding to the scanning random numbers in the low-gray-scale display subarea.
In some embodiments of the present application, the display driving control device receives image frame data, decodes the image frame data to obtain an image data signal and an image control signal, and includes:
receiving the image frame data, and decoding the image frame data to obtain image pixel data and an image control signal;
extracting red pixel data, blue pixel data, green pixel data and white field pixel data of the image pixel data;
and carrying out correction calculation on the red pixel data, the blue pixel data, the green pixel data and the white pixel data to obtain the image data signal through correction.
In some embodiments of the present application, the display driving control device receives image frame data, decodes the image frame data to obtain an image data signal and an image control signal, and includes:
receiving the image frame data, and decoding the image frame data to obtain the image data signal and a coding control signal;
and decoding the coding control signal to obtain a line-field synchronizing signal and a data enabling signal carried by the coding control signal, and determining the line-field synchronizing signal and the data enabling signal as the image control signal.
In some embodiments of the present application, the display drive control device obtaining gray scale information of the image data signal, and determining a low gray scale display partition corresponding to the image data signal according to the gray scale information, includes:
analyzing the gray information of the image data signal to obtain the partition gray information of the display partition;
judging whether the partition gray information falls into a preset low gray range or not, and obtaining the partition gray information as low gray information according to a judgment result;
and determining the display partition corresponding to the low-gray-scale information as a low-gray-scale display partition.
In some embodiments of the present application, the display drive control device drives the low gray scale display division display image picture according to the scan drive sequence, including:
analyzing the image data signals and the image control signals to obtain line image data signals and line image control signals of the lamp bead lines;
configuring lamp bead parameters of the lamp bead rows according to the row image data signals and the row image control signals;
and displaying an image picture corresponding to the image data signal according to the configured lamp bead parameters.
In this embodiment, the display drive control device receives image frame data and decodes the image frame data to obtain an image data signal and an image control signal carried by the image frame data; acquiring gray information in an image data signal, and determining a low-gray display partition which corresponds to the image data signal and needs to be randomly scanned according to the gray information; and extracting a scanning random number in a random scanning database, determining a scanning driving sequence according to the scanning random number and the low-gray-scale display subarea, and driving the low-gray-scale display subarea to display an image picture according to the scanning driving sequence. Therefore, the display pictures of the Mini-LED display screen are more uniform, the condition that black lines appear in each row and each partition of the Mini-LED display screen under low-gray-scale display is avoided, and the display effect of the Mini-LED display screen is optimized.
An embodiment of the present invention further provides a display driving control device, as shown in fig. 7, and fig. 7 is a schematic structural diagram of an embodiment of the display driving control device provided in the embodiment of the present application.
A display drive control apparatus incorporating any one of the display drive control devices provided by the embodiments of the present invention includes:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor for performing the steps of the display drive control method in any of the above embodiments of the display drive control method.
Specifically, the method comprises the following steps: the display drive control apparatus may include components such as a processor 701 of one or more processing cores, a memory 702 of one or more computer-readable storage media, a power supply 703, and an input unit 704. It will be appreciated by those skilled in the art that the display drive control device arrangement shown in fig. 7 does not constitute a limitation of the display drive control device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the processor 701 is a control center of the display drive control apparatus, connects various parts of the entire display drive control apparatus by using various interfaces and lines, and executes various functions of the display drive control apparatus and processes data by running or executing software programs and/or modules stored in the memory 702 and calling data stored in the memory 702, thereby performing overall monitoring of the display drive control apparatus. Optionally, processor 701 may include one or more processing cores; preferably, the processor 701 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 701.
The memory 702 may be used to store software programs and modules, and the processor 701 executes various functional applications and data processing by operating the software programs and modules stored in the memory 702. The memory 702 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data created according to use of the display drive control apparatus, and the like. Further, the memory 702 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 702 may also include a memory controller to provide the processor 701 with access to the memory 702.
The display drive control device further comprises a power supply 703 for supplying power to each component, and preferably, the power supply 703 is logically connected to the processor 701 through a power management system, so that functions of managing charging, discharging, power consumption management and the like are realized through the power management system. The power supply 703 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
The display drive control apparatus may further include an input unit 704, and the input unit 704 may be used to receive input numeric or character information and generate a keyboard, mouse, joystick, optical or trackball signal input related to user setting and function control.
Although not shown, the display drive control apparatus may further include a display unit and the like, which are not described in detail herein. Specifically, in this embodiment, the processor 701 in the display driver control apparatus loads an executable file corresponding to a process of one or more application programs into the memory 702 according to the following instructions, and the processor 701 runs the application program stored in the memory 702, thereby implementing various functions as follows:
receiving image frame data, and decoding the image frame data to obtain an image data signal and an image control signal;
acquiring gray information of the image data signal, and determining a low gray display partition corresponding to the image data signal according to the gray information;
extracting a scanning random number in a random scanning database, adjusting the image control signal according to the scanning random number, and determining the scanning driving sequence of the low-gray-scale display partition;
and driving the low-gray scale display subarea display image frames according to the scanning driving sequence.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
In a specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as one or several entities, and the specific implementation of each unit or structure may refer to the foregoing method embodiment, which is not described herein again.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
The display driving control method provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present invention are explained in this document by applying specific embodiments, and the description of the above embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for those skilled in the art, according to the idea of the present invention, 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 invention.
Claims (10)
1. A display drive control method, characterized by comprising:
receiving image frame data, and decoding the image frame data to obtain an image data signal and an image control signal;
acquiring gray information of the image data signal, and determining a low gray display partition corresponding to the image data signal according to the gray information;
extracting a scanning random number in a random scanning database, adjusting the image control signal according to the scanning random number and the low-gray display partition, and determining a scanning driving sequence;
and driving the low-gray scale display subarea display image frames according to the scanning driving sequence.
2. The display drive control method of claim 1, wherein the extracting a scan random number in a random scan database, adjusting the image control signal according to the scan random number and the low gray display division, and determining a scan driving order, comprises:
acquiring the number of rows of lamp beads in a display partition, and generating a scanning random number set corresponding to the number of rows of the lamp beads in the random scanning database;
randomly extracting the scanning random number in the scanning random number set corresponding to the low gray scale display subarea, outputting the scanning random number, adjusting the image control signal according to the scanning random number and the low gray scale display subarea, and determining a scanning driving sequence.
3. The display drive control method according to claim 2, wherein the extracting of the scanning random number in the random scanning database, the adjusting of the image control signal according to the scanning random number and the low gray display division, and the determining of the scanning drive order, comprise:
reading a scanning random number set in the scanning database, and judging whether the scanning random number set is an empty set;
if the scanning random number set is an empty set, judging that the scanning driving sequence of the low-gray display partition is determined to be finished;
or the like, or, alternatively,
and if the scanning random number set is a non-empty set, randomly extracting and deleting the scanning random numbers in the scanning random number set, and determining the lamp bead rows corresponding to the scanning random numbers in the low-gray-scale display subarea.
4. The display drive control method of claim 1, wherein receiving image frame data, decoding the image frame data to obtain an image data signal and an image control signal, comprises:
receiving the image frame data, and decoding the image frame data to obtain image pixel data and an image control signal;
extracting red pixel data, blue pixel data, green pixel data and white field pixel data of the image pixel data;
and carrying out correction calculation on the red pixel data, the blue pixel data, the green pixel data and the white pixel data to obtain the image data signal through correction.
5. The display drive control method of claim 1, wherein receiving image frame data, decoding the image frame data to obtain an image data signal and an image control signal, comprises:
receiving the image frame data, and decoding the image frame data to obtain the image data signal and a coding control signal;
and decoding the coding control signal to obtain a line-field synchronizing signal and a data enabling signal carried by the coding control signal, and determining the line-field synchronizing signal and the data enabling signal as the image control signal.
6. The display drive control method according to claim 1, wherein said acquiring gradation information of the image data signal, and determining a low gradation display section corresponding to the image data signal based on the gradation information, comprises:
analyzing the gray information of the image data signal to obtain the partition gray information of the display partition;
judging whether the partition gray information falls into a preset low gray range or not, and obtaining the partition gray information as low gray information according to a judgment result;
and determining the display partition corresponding to the low-gray-scale information as a low-gray-scale display partition.
7. The display drive control method according to claim 1, wherein the driving the low gray scale display divided display image picture according to the scan drive order includes:
analyzing the image data signals and the image control signals to obtain line image data signals and line image control signals of the lamp bead lines;
configuring lamp bead parameters of the lamp bead rows according to the row image data signals and the row image control signals;
and displaying an image picture corresponding to the image data signal according to the configured lamp bead parameters.
8. A display drive control apparatus characterized by comprising:
the image decoding module is configured to receive image frame data, decode the image frame data and obtain an image data signal and an image control signal;
the gray level determining module is configured to acquire gray level information of the image data signal and determine a low gray level display partition corresponding to the image data signal according to the gray level information;
a random scanning module configured to extract a scanning random number in a random scanning database, adjust the image control signal according to the scanning random number and the low gray level display partition, and determine a scanning driving sequence;
a screen display module configured to drive the low gray scale display division to display an image screen according to the scan driving order.
9. A display drive control apparatus characterized by comprising:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the display drive control method of any of claims 1 to 7.
10. A computer-readable storage medium, having stored thereon a computer program which is loaded by a processor to perform the steps of the display drive control method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296173.9A CN114089936A (en) | 2021-11-03 | 2021-11-03 | Display drive control method, device, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296173.9A CN114089936A (en) | 2021-11-03 | 2021-11-03 | Display drive control method, device, equipment and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114089936A true CN114089936A (en) | 2022-02-25 |
Family
ID=80298786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111296173.9A Pending CN114089936A (en) | 2021-11-03 | 2021-11-03 | Display drive control method, device, equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114089936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464126A (en) * | 2022-04-11 | 2022-05-10 | 禹创半导体(深圳)有限公司 | Scanning driving circuit of Micro LED and driving method thereof |
| CN115841802A (en) * | 2023-02-27 | 2023-03-24 | 长春希达电子技术有限公司 | Mini LED liquid crystal backlight control method and control system thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001337138A (en) * | 2000-05-30 | 2001-12-07 | Matsushita Electric Ind Co Ltd | Test circuit device for semiconductor integrated circuit, and semiconductor integrated circuit using the same |
| KR20010112310A (en) * | 2000-01-14 | 2001-12-20 | 모리시타 요이찌 | Active matrix display apparatus and method for driving the same |
| JP2003157057A (en) * | 2001-11-20 | 2003-05-30 | Nec Corp | Image display device and electronic equipment provided therewith |
| JP2004013115A (en) * | 2002-06-11 | 2004-01-15 | Fuji Electric Holdings Co Ltd | Method and device for driving display device using organic light emitting element |
| US20130314456A1 (en) * | 2012-05-25 | 2013-11-28 | Samsung Display Co., Ltd. | Method of digital-driving an organic light emitting display device |
| CN104252841A (en) * | 2014-09-15 | 2014-12-31 | 西安诺瓦电子科技有限公司 | LED (Light Emitting Diode) display control method and card and LED display screen system |
| CN105185316A (en) * | 2015-10-19 | 2015-12-23 | 西安诺瓦电子科技有限公司 | LED display drive control method and device, and LED lamp panel |
| CN108335665A (en) * | 2018-05-17 | 2018-07-27 | 深圳市灵星雨科技开发有限公司 | A kind of LED displays drive control method |
-
2021
- 2021-11-03 CN CN202111296173.9A patent/CN114089936A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010112310A (en) * | 2000-01-14 | 2001-12-20 | 모리시타 요이찌 | Active matrix display apparatus and method for driving the same |
| JP2001337138A (en) * | 2000-05-30 | 2001-12-07 | Matsushita Electric Ind Co Ltd | Test circuit device for semiconductor integrated circuit, and semiconductor integrated circuit using the same |
| JP2003157057A (en) * | 2001-11-20 | 2003-05-30 | Nec Corp | Image display device and electronic equipment provided therewith |
| JP2004013115A (en) * | 2002-06-11 | 2004-01-15 | Fuji Electric Holdings Co Ltd | Method and device for driving display device using organic light emitting element |
| US20130314456A1 (en) * | 2012-05-25 | 2013-11-28 | Samsung Display Co., Ltd. | Method of digital-driving an organic light emitting display device |
| CN104252841A (en) * | 2014-09-15 | 2014-12-31 | 西安诺瓦电子科技有限公司 | LED (Light Emitting Diode) display control method and card and LED display screen system |
| CN105185316A (en) * | 2015-10-19 | 2015-12-23 | 西安诺瓦电子科技有限公司 | LED display drive control method and device, and LED lamp panel |
| CN108335665A (en) * | 2018-05-17 | 2018-07-27 | 深圳市灵星雨科技开发有限公司 | A kind of LED displays drive control method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464126A (en) * | 2022-04-11 | 2022-05-10 | 禹创半导体(深圳)有限公司 | Scanning driving circuit of Micro LED and driving method thereof |
| CN115841802A (en) * | 2023-02-27 | 2023-03-24 | 长春希达电子技术有限公司 | Mini LED liquid crystal backlight control method and control system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10109068B2 (en) | Method of automatic identification and calibration of color and grayscale medical images | |
| CN1197040C (en) | Inputting channel switching and controlling device and controlling method for displaying monitor | |
| CN114089936A (en) | Display drive control method, device, equipment and storage medium | |
| US9183811B2 (en) | Method of correcting unevenness of display panel and correction system | |
| US20170116959A1 (en) | Method for adjusting screen brightness and system thereof | |
| EP3972237A1 (en) | Light compensation method for capturing picture, intelligent television and computer readable storage medium | |
| CN107025087B (en) | Image display method and equipment | |
| CN108628563B (en) | Display device, display method, and storage medium | |
| US20230081173A1 (en) | Photographing method, electronic device, and storage medium | |
| CN113299245A (en) | Method and device for adjusting local backlight of display equipment, display equipment and storage medium | |
| CN1190959C (en) | Identification of position of video window to be enhanced within display signal | |
| US10600377B2 (en) | Image display method and device of determining backlight coefficient according to grayscale eigenvalues corresponding to pixels in different partition | |
| CN112289278A (en) | Screen brightness adjusting method, screen brightness adjusting device and electronic equipment | |
| CN111128082A (en) | Backlight adjusting method, display and storage medium | |
| US20240087495A1 (en) | Compensation method and compensation apparatus for display panel, and display apparatus and storage medium | |
| CN111726668B (en) | FPGA, double-screen television, startup display method, equipment and medium | |
| CN107578753B (en) | Mobile terminal, display screen brightness adjusting method and storage medium | |
| CN107481652B (en) | Lighting detection circuit, resolution acquisition method, display screen driving method and device | |
| CN112951150B (en) | Energy-saving method, device and equipment for LED display screen and storage medium | |
| CN113990263B (en) | Backlight processing method and device for display screen, storage medium and electronic equipment | |
| CN115188322A (en) | Display unit configuration method and device | |
| US20070109234A1 (en) | Liquid crystal display and method for driving same | |
| JP2015219469A (en) | Backlight control device, video display device, and backlight control method | |
| KR100705974B1 (en) | Display system and method for outputting video signal according to display panel | |
| CN114241958B (en) | Display panel testing method, driving method and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |