CN114464124B - Display device, display method thereof, processor and computer storage medium - Google Patents
Display device, display method thereof, processor and computer storage medium Download PDFInfo
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- CN114464124B CN114464124B CN202011194131.XA CN202011194131A CN114464124B CN 114464124 B CN114464124 B CN 114464124B CN 202011194131 A CN202011194131 A CN 202011194131A CN 114464124 B CN114464124 B CN 114464124B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a display device, a display method thereof, a processor and a computer storage medium. Wherein the method comprises the following steps: receiving data to be displayed of a display device; analyzing the data to be displayed, and determining a current gain value of the data to be displayed and a display gray value, wherein the current gain value is used for controlling the current of a driving chip of the display device; and controlling the display device to display the data to be displayed according to the current gain value and the display gray value. The invention solves the technical problem that the current of the driving chip of the display device in the related art cannot be controlled in linkage with the gray level of the display screen, so that the display effect is poor.
Description
Technical Field
The present invention relates to the field of display control, and more particularly, to a display device, a display method thereof, a processor, and a computer storage medium.
Background
Because of the existing LED display screen control system, the LED driving chip is controlled, and the conventional control mode is as follows: the register and image data output are configured, the conventional control mode is that the register data and the image data have no association, and if the displayed image data are smaller low-gray data, the refresh rate of the low gray data is lower, and the human eyes can see obvious flickering phenomenon. However, the display screen refreshing is improved due to the slightly larger gray data, but the brightness is increased, so that the display quality is poor.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a display device, a display method thereof, a processor and a computer storage medium, which at least solve the technical problem that the display effect is poor because the current of a driving chip of the display device in the related art cannot be controlled in linkage with the gray level of a display screen.
According to an aspect of an embodiment of the present invention, there is provided a display method of a display device, including: receiving data to be displayed; analyzing the data to be displayed, determining a current gain value and displaying a gray level value, wherein the current gain value is used for controlling the current of a driving chip of the display device; and controlling the display device to display the data to be displayed according to the current gain value and the display gray value.
Optionally, analyzing the data to be displayed, determining a current gain value, and displaying a gray value includes: determining the average value and the maximum value of the gray scale of the data to be displayed; and inputting the average value and the maximum value into a lookup table, and outputting the current gain value and the display gray value by the lookup table.
Optionally, according to the current gain value and the display gray value, controlling the display device to display the data to be displayed includes: splitting data to be displayed according to the number of the receiving cards and the display parameters, and determining data units corresponding to the plurality of the receiving cards; transmitting the current gain value and the display gray value to a receiving card through a plurality of data group signals, wherein each data group signal comprises image data and a register address, the image data comprises data units, the display gray value corresponding to the data units is used for indicating a register storing the current gain value corresponding to the data units; and sending the current gain value and the display gray value to the driving chip through a receiving card, and driving a display device to display the data to be displayed according to the current gain value and the display gray value through the driving chip.
Optionally, in a case where the data to be displayed includes multi-frame data, the current gain value and the display gray value are transmitted to the receiving card through a plurality of data group signals, including: image data and register addresses of multi-frame data are successively transmitted to a receiving card through each data group signal, wherein the register addresses of data of adjacent frames are different.
Optionally, before the current gain value and the display gray value are sent to the receiving card through the plurality of data group signals, the method includes: determining whether the waveform of the frame synchronization signal of the data to be displayed is the same as the signal waveform indicating to start updating the data to be displayed; in the case where the waveform of the frame synchronization signal is the same as the signal waveform indicating the start of updating the data to be displayed, the step of transmitting the current gain value and the display gradation value to the receiving card through a plurality of data group signals is performed.
According to another aspect of the embodiment of the present invention, there is also provided a display apparatus including: the receiving module is used for receiving the data to be displayed; the analysis module is used for analyzing the data to be displayed, determining a current gain value and displaying a gray value; and the display module is used for controlling the display device to display the data to be displayed according to the current gain value and the display gray value.
Optionally, the analysis module includes: a determining unit, configured to determine a mean value and a maximum value of gray scales of the data to be displayed; and the searching unit is used for inputting the average value and the maximum value into a lookup table, and outputting the current gain value and the display gray value by the lookup table.
Optionally, the display module includes: the splitting unit is used for splitting the data to be displayed according to the number of the receiving cards and the display parameters, and determining data units corresponding to the plurality of receiving cards; a transmitting unit, configured to transmit the current gain value and a display gray value to a receiving card through a plurality of data group signals, where each data group signal includes image data and a register address, the image data includes a data unit, the data unit corresponds to the display gray value, and the register address is used to indicate a register storing the current gain value corresponding to the data unit; and the display unit is used for sending the current gain value and the display gray value to the driving chip through the receiving card, and driving the display device to display the data to be displayed according to the current gain value and the display gray value through the driving chip.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, where the program executes the display method of any one of the above display devices.
According to another aspect of the embodiment of the present invention, there is further provided a computer storage medium, wherein the computer storage medium includes a stored program, and when the program runs, the apparatus in which the computer storage medium is controlled to execute the display method of the display device of any one of the above.
In the embodiment of the invention, the data to be displayed of the display device is received; analyzing the data to be displayed, determining a current gain value and displaying a gray value, wherein the current gain value is used for controlling the current of a driving chip of the display device; according to the current gain value and the display gray value, the display device is controlled to display the data to be displayed, the current of the driving chip is controlled through the current gain value, the current parameter of the driving chip is utilized to further reduce the output brightness of the driving chip, and further the LED lamp point is controlled to emit weaker light, the current of the driving chip is controlled, the purpose of accurately controlling the display device is achieved, the technical effect of improving the display quality of the display device is achieved, and the technical problem that the current of the driving chip of the display device cannot be controlled in linkage with the gray level of the display screen in the related art, so that the display effect is poor is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a flowchart of a display method of a display device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a driving chip receiving signal timing according to the prior art;
FIG. 3 is a flow chart of data processing of a display device according to the prior art;
FIG. 4 is a schematic diagram of a display device before and after data processing according to the prior art;
fig. 5 is a flowchart of data processing of a display device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a driving chip receiving signal timing according to an embodiment of the present invention;
fig. 7 is a schematic diagram before and after data processing of a display device according to an embodiment of the present invention;
fig. 8 is a schematic view of a display device according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the present invention, there is provided a method embodiment of a display method of a display device, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different from that herein.
Fig. 1 is a flowchart of a display method of a display device according to an embodiment of the present invention, as shown in fig. 1, the method includes the steps of:
step S102, receiving data to be displayed of a display device;
step S104, analyzing the data to be displayed, determining a current gain value and displaying a gray level value, wherein the current gain value is used for controlling the current of a driving chip of the display device;
and S106, controlling the display device to display the data to be displayed according to the current gain value and the display gray value.
Through the steps, the data to be displayed of the display device is received; analyzing the data to be displayed, determining a current gain value and displaying a gray value, wherein the current gain value is used for controlling the current of a driving chip of the display device; according to the current gain value and the display gray value, the display device is controlled to display the data to be displayed, the current of the driving chip is controlled through the current gain value, the current parameter of the driving chip is utilized to further reduce the output brightness of the driving chip, and further the LED lamp point is controlled to emit weaker light, the current of the driving chip is controlled, the purpose of accurately controlling the display device is achieved, the technical effect of improving the display quality of the display device is achieved, and the technical problem that the current of the driving chip of the display device cannot be controlled in linkage with the gray level of the display screen in the related art, so that the display effect is poor is solved.
The display device can be an LED display screen, and a display system of the LED display screen comprises a control device, a sending card, a receiving card, a driving chip and a display component. The control device may be a programmable logic circuit, such as an FPGA or a CPLD, or may be a control device including the programmable logic circuit. The control device processes the display data with the display to be displayed, the display data is sent to the receiving card through the sending card, the receiving card sends the received data to the driving chip, and the driving chip drives the display assembly to display according to the received data. It should be noted that, the executing body for processing the data to be displayed may be the controller, or may be the transmitting card or the receiving card, and in specific application, according to specific situations, for example, at the device end of the transmitting card, it is convenient to naturally apply the steps to the transmitting card, and the steps may be applied to the transmitting card, similarly, may also be applied to the device end of the receiving card, or the device end of the control apparatus.
When the control device analyzes data to be displayed, the current gain value of the driving chip and the display gray value of the data to be displayed are determined, and the driving chip can be controlled to adjust the output current according to the current gain value, so that the output brightness of the driving chip is reduced, the LED lamp is controlled to emit weaker light, and the luminous intensity of the LED lamp is controlled more effectively.
Thereby, the current of the driving chip is controlled, the purpose of accurately controlling the display device is realized, the technical effect of improving the display quality of the display device is realized, and the technical problem that the current of the driving chip of the display device cannot be controlled in linkage with the gray level of the display screen in the related art, so that the display effect is poor is solved.
Optionally, analyzing the data to be displayed, determining the current gain value, and displaying the gray value includes: determining the average value and the maximum value of the gray scale of the data to be displayed; the average value and the maximum value are input into a lookup table, and the current gain value and the display gray value are output by the lookup table.
The Look-Up Table is a LUT Look-Up Table (Look-Up Table), which is essentially a RAM memory, and the data is written into the LUT Look-Up Table in advance, and each time a signal is input, the data is equal to an address input into the LUT Look-Up Table, and the content corresponding to the address is found according to the address and then output. The average value and the maximum value of the gray scale of the data to be displayed are input into an LUT lookup table, and the LUT lookup table can convert the input gray scale value into the corresponding display gray scale value through a series of transformations such as threshold value, inversion, binarization, contrast adjustment, linear transformation and the like, so that the effective information in the data to be displayed can be highlighted, and the optical contrast of the data to be displayed is enhanced.
Optionally, controlling the display device to display the data to be displayed according to the current gain value and the display gray value includes: splitting data to be displayed according to the number of the receiving cards and the display parameters, and determining data units corresponding to the plurality of the receiving cards; transmitting the current gain value and the display gray value to a receiving card through a plurality of data group signals, wherein each data group signal comprises image data and a register address, the image data comprises data units, the data units correspond to the display gray values, and the register address is used for indicating a register storing the current gain values corresponding to the data units; and sending the current gain value and the display gray value to the driving chip through the receiving card, and driving the display device to display the data to be displayed according to the current gain value and the display gray value through the driving chip.
The display device may include a plurality of receiving cards, each corresponding to a different region of the display device, responsible for the pixel display of that region. That is, for a piece of data to be displayed, the data needs to be split into data units corresponding to the receiving cards, and the data units are in one-to-one correspondence with the receiving cards. After the receiving card receives the data unit, the data unit is sent to the driving chip, and the display component is driven to display the content corresponding to the data unit.
The data unit is sent to the receiving card, and meanwhile, the display parameters related to the data unit need to be simultaneously sent to the receiving card, including the current gain value and the display gray value. The number of the data group signals depends on the communication requirements among hardware, and can be 32 groups, 64 groups, 24 groups and the like. And transmitting the image data and a register address to a receiving card by taking a plurality of groups of data group signals as carriers, wherein the image data comprises data units, display gray values corresponding to the data units, and the register address is used for indicating a register storing current gain values corresponding to the data units.
Optionally, in a case where the data to be displayed includes multi-frame data, sending the current gain value and the display gray value to the receiving card through a plurality of data group signals includes: image data and register addresses of multi-frame data are successively transmitted to a receiving card through each data group signal, wherein the register addresses of data of adjacent frames are different.
And when the data to be displayed is multi-frame data, continuously transmitting the image data corresponding to the multi-frame data and the register address to the receiving card through a plurality of data group signals. And ensuring the continuity of the data to be displayed in the time domain.
Optionally, before sending the current gain value and the display gray value to the receiving card through the plurality of data set signals includes: determining whether the waveform of a frame synchronization signal of the data to be displayed is the same as a signal waveform indicating that updating of the data to be displayed is started; in the case where the waveform of the frame synchronization signal is the same as the signal waveform indicating the start of updating the data to be displayed, the step of transmitting the current gain value and the display gradation value to the receiving card through the plurality of data group signals is performed.
Whether the waveform of the frame synchronization signal of the data to be displayed is the same as the waveform of the signal for indicating to start updating the data to be displayed, that is, the frame synchronization signal triggers to start synchronization, may be changed from a high level to a low level for a certain period of time, for example, one clock period, or changed from a low level to a high level for a certain period of time, for example, two time periods. It can be determined that the frame synchronization signal triggers the data synchronization between the control device and the receiving card, and the data is transmitted to the receiving card.
The frame synchronization signal may be a Vsync signal, which is used to characterize the frame synchronization signal and to characterize the image frame update flag, and the control system is not limited to the waveform presentation trigger, and may be different according to the driving chip model.
It should be noted that the present embodiment also provides an alternative implementation manner, and the detailed description of this implementation manner is provided below.
Fig. 2 is a schematic diagram of a signal receiving timing of a driving chip according to the prior art, fig. 3 is a flowchart of data processing of a display device according to the prior art, fig. 4 is a schematic diagram before and after data processing of the display device according to the prior art, and as shown in fig. 2 to 4, a control sequence and logic of a conventional LED display driving chip in the prior art are listed, where Vsync is a field sync signal, and represents a start flag and a sync flag of a complete image stream. After the image synchronization, the control system will send the register information needed by the normal operation of the driving chip to the driving chip. But existing schemes do not require the control system to send out current controlled registers every frame.
The prior scheme is as follows: the on-screen gradation data is gradation data after image processing such as correction, and is supplied to the image data of the driving chip without any processing. The output link does not consider the characteristic that the current of the driving chip can influence the lighting brightness of the LED lamp, so the prior proposal does not perform configuration and setting actions on each frame of the current register of the driving chip. The LED control system only controls the image data information, so that the control of the light intensity of the lamp point is realized. The current gain parameter is not used to more effectively control the luminous intensity of the LED lamp point. The precise control of the chip-by-chip current parameters is not realized.
According to the embodiment, the current parameters of the driving chip of the LED lamp panel unit are accurately controlled frame by frame, so that the accurate control of the brightness and the refresh rate of the LED is realized. The method is accurate, can be used for driving chips one by one, can be used for data sets, can be used for receiving cards, can be used for network ports, and can be used for display screens. May be implemented, but is not limited to being implemented, on a receiving card, and may be implemented, but is not limited to being implemented, on a transmitting card.
Specifically, fig. 6 is a schematic diagram of a signal receiving timing of a driving chip according to an embodiment of the present invention, as shown in fig. 6, vsync represents a frame synchronization signal, and a flag representing an update of an image frame is not limited to be presented in the above format in a control system, and may be different according to different driving chip models; but a common feature is that the present invention requires that there be a configuration output driving the chip current gain register for each image frame. In the process of data reading and processing, the prior art scheme is directly to the image output control unit, but in this embodiment, an LUT lookup table is inserted in this link, and new image data in the LUT is searched by the read data in the prior art, specifically, the data stored in the LUT is determined according to the most counted value and average value. And secondly, determining a new value of the current gain in the LUT according to the calculated maximum value and the average value to search the current gain, namely the image separation data, and finally entering an image output control unit to be sent to a driving chip.
The order of the output of the driving chips is not strictly limited, and may be, but not limited to, "current registers, other registers, image data" in fig. 6;
fig. 5 is a flowchart of data processing of the display device according to the embodiment of the present invention, as shown in fig. 5, the current register a/current register B/current register C configured per frame is the same location of the driving chip, but may be changed according to the image content;
as shown in fig. 6, R/G/B represents different R/G/B data sets of the same receiving card, wherein the value of the configuration current register between each image frame data set is not limited, and may be the same or different.
As shown in fig. 5, the driving chip current value is analyzed by the image analysis module according to the average value and the maximum value of the image, so as to obtain the average value and the maximum value of the unit image. The unit image may be in the form of a whole screen, a portal, a receiving card, a data set, or a driving chip. And after analysis, caching the analysis result, and finally carrying out LUT table lookup operation on the analysis result to obtain the current gain value of the driving chip in the final gray value information of the display screen. And the brightness is improved at the refresh rate by matching with the control system to carry out output control.
The image processing step, including analyzing the image to determine the display gray value and the current gain value, may be performed on an FPGA (field programmable gate array ), but is not limited to being internal to the FPGA. The FPGA may be provided with a receiving module and a transmitting module for receiving or transmitting image data or display gray values and current gain values, or may have only a receiving module or a transmitting module, in this embodiment, the FPGA may have only a transmitting module for transmitting current gain values and display gray values obtained by image processing, the CPLD may have only a receiving module for receiving data transmitted by the FPGA, the CPLD (complex programmable logic device ) may be provided with a receiving module and a transmitting module, the above image processing step is performed in the CPID, the image data transmitted by the FPGA is received by the receiving module, the received image data is processed to obtain current gain values and display gray values, and the processed current gain values and display gray values are transmitted by the transmitting module.
Fig. 7 is a schematic diagram of a display device according to an embodiment of the present invention before and after data processing, and as shown in fig. 7, the correspondence relationship between the magnitude of the current gain and the image data is: when the gray data is smaller than N, the control system can increase the output gray data by 4 times or 8 times, and the equivalent current gain is reduced to the current gain value corresponding to (1/4) or (1/8) of the brightness of the existing LED display screen.
According to the embodiment, through the accurate current control of the driving chip, the accurate control for improving the brightness and the refresh rate of the LED display screen is realized. Control mode of hardware control driving chip: the linkage relation between the current gain value and the gray data; hardware control driving chip range: the driving chip, the data set, the receiving card, the network port and the display screen may be used as units.
Fig. 8 is a schematic diagram of a display device according to an embodiment of the present invention, and as shown in fig. 8, according to another aspect of the embodiment of the present invention, there is also provided a display device including: the receiving module 82, the analyzing module 84 and the display module 86 are described in detail below.
A receiving module 82, configured to receive data to be displayed; the analysis module 84 is connected to the receiving module 82, and is configured to analyze the data to be displayed, determine a current gain value, and display a gray value; the display module 86 is connected to the analysis module 84, and is configured to control the display device to display the data to be displayed according to the current gain value and the display gray value.
By the above device, the receiving module 82 is adopted to receive the data to be displayed of the display device; the analysis module 84 analyzes the data to be displayed, determines a current gain value of the data to be displayed, and displays a gray value, wherein the current gain value is used for controlling the current of a driving chip of the display device; the display module 86 controls the display device to display the data to be displayed according to the current gain value and the display gray value, controls the current of the driving chip through the current gain value, and can further reduce the output brightness of the driving chip by utilizing the current parameter of the driving chip, so as to control the light emitted by the LED lamp to be weaker, thereby achieving the purpose of controlling the current of the driving chip and realizing the accurate control of the display device, further realizing the technical effect of improving the display quality of the display device, and further solving the technical problem that the current of the driving chip of the display device cannot be controlled in linkage with the gray level of the display screen in the related art, so that the display effect is poor.
Optionally, the analysis module includes: a determining unit for determining the average value and the maximum value of the gray scale of the data to be displayed; and the searching unit is used for inputting the average value and the maximum value into the searching table, and outputting a current gain value and a display gray value by the searching table.
Optionally, the display module includes: the splitting unit is used for splitting the data to be displayed according to the number of the receiving cards and the display parameters, and determining data units corresponding to the plurality of receiving cards; the device comprises a transmitting unit, a receiving card and a display unit, wherein the transmitting unit is used for transmitting a current gain value and a display gray value to the receiving card through a plurality of data group signals, each data group signal comprises image data and a register address, the image data comprises a data unit, the display gray value corresponding to the data unit is used for indicating a register storing the current gain value corresponding to the data unit; and the display unit is used for sending the current gain value and the display gray value to the driving chip through the receiving card, and driving the display device to display the data to be displayed according to the current gain value and the display gray value through the driving chip.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, wherein the program executes the display method of the display device of any one of the above.
According to another aspect of the embodiments of the present invention, there is further provided a computer storage medium, wherein the computer storage medium includes a stored program, and wherein the apparatus on which the computer storage medium is controlled to execute the display method of the display device of any one of the above items when the program runs.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. A display method of a display device, comprising:
receiving data to be displayed;
analyzing the data to be displayed, determining a current gain value and displaying a gray value; analyzing the data to be displayed, determining a current gain value and displaying a gray value, including: determining the average value and the maximum value of the gray scale of the data to be displayed; inputting the average value and the maximum value into a lookup table, and outputting the current gain value and the display gray value by the lookup table, wherein the current gain value is used for controlling the current of a driving chip of the display device;
and controlling the display device to display the data to be displayed according to the current gain value and the display gray value.
2. The method of claim 1, wherein controlling the display device to display the data to be displayed according to the current gain value and a display gray scale value comprises:
splitting data to be displayed according to the number of the receiving cards and the display parameters, and determining data units corresponding to the plurality of the receiving cards;
transmitting the current gain value and the display gray value to a receiving card through a plurality of data group signals, wherein each data group signal comprises image data and a register address, the image data comprises data units, the display gray value corresponding to the data units is used for indicating a register storing the current gain value corresponding to the data units;
and sending the current gain value and the display gray value to the driving chip through a receiving card, and driving a display device to display the data to be displayed according to the current gain value and the display gray value through the driving chip.
3. The method according to claim 2, wherein in the case where the data to be displayed includes multi-frame data, transmitting the current gain value and the display gradation value to a receiving card through a plurality of data group signals, comprises:
image data and register addresses of multi-frame data are successively transmitted to a receiving card through each data group signal, wherein the register addresses of data of adjacent frames are different.
4. The method of claim 2, wherein the current gain value, and the display gray value, are included before being signaled to the receiving card via a plurality of data sets:
determining whether the waveform of the frame synchronization signal of the data to be displayed is the same as the signal waveform indicating to start updating the data to be displayed;
in the case where the waveform of the frame synchronization signal is the same as the signal waveform indicating the start of updating the data to be displayed, the step of transmitting the current gain value and the display gradation value to the receiving card through a plurality of data group signals is performed.
5. A display device, comprising:
the receiving module is used for receiving the data to be displayed;
the analysis module is used for analyzing the data to be displayed, determining a current gain value and displaying a gray value; analyzing the data to be displayed, determining a current gain value and displaying a gray value, including: the method comprises the steps of determining the average value and the maximum value of gray scales of data to be displayed; the searching unit is used for inputting the average value and the maximum value into a searching table, and outputting the current gain value and the display gray value by the searching table, wherein the current gain value is used for controlling the current of a driving chip of the display device;
and the display module is used for controlling the display device to display the data to be displayed according to the current gain value and the display gray value.
6. The display device of claim 5, wherein the display module comprises:
the splitting unit is used for splitting the data to be displayed according to the number of the receiving cards and the display parameters, and determining data units corresponding to the plurality of receiving cards;
a transmitting unit, configured to transmit the current gain value and a display gray value to a receiving card through a plurality of data group signals, where each data group signal includes image data and a register address, the image data includes a data unit, the data unit corresponds to the display gray value, and the register address is used to indicate a register storing the current gain value corresponding to the data unit;
and the display unit is used for sending the current gain value and the display gray value to the driving chip through the receiving card, and driving the display device to display the data to be displayed according to the current gain value and the display gray value through the driving chip.
7. A processor for executing a program, wherein the program when executed performs the display method of the display device according to any one of claims 1 to 4.
8. A computer storage medium, characterized in that the computer storage medium comprises a stored program, wherein the program, when run, controls a device in which the computer storage medium is located to perform the display method of the display apparatus of any one of claims 1 to 4.
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| CN106898293B (en) * | 2017-02-16 | 2019-06-04 | 深圳市奥拓电子股份有限公司 | A kind of light-emitting diode display and its display brightness method of adjustment |
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| CN114067724B (en) * | 2020-07-29 | 2023-05-09 | 西安钛铂锶电子科技有限公司 | Gray data processing method, device and system and display device |
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