CN114464124A - 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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- CN114464124A CN114464124A CN202011194131.XA CN202011194131A CN114464124A CN 114464124 A CN114464124 A CN 114464124A CN 202011194131 A CN202011194131 A CN 202011194131A CN 114464124 A CN114464124 A CN 114464124A
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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
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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 data to be displayed, 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 of poor display effect caused by the fact that the current of the driving chip of the display device cannot be in linkage control with the gray scale of the display screen in the related technology.
Description
Technical Field
The invention relates to the field of display control, in particular to a display device and a display method thereof, a processor and a computer storage medium.
Background
Because current LED display screen control system controls LED driver chip, conventional control mode is: the register and the image data are configured to be output, the conventional control mode is that the register data and the image data have no correlation, and if the displayed image data is relatively small low-gray data, the refresh rate of the low gray is low, and the obvious flickering phenomenon is seen by human eyes. However, the larger gray scale data will improve the display screen refresh, but the negative effect is the increased brightness, resulting in poor display quality.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a display device and a display method thereof, a processor and a computer storage medium, which are used for at least solving the technical problem of poor display effect caused by the fact that the current of a driving chip of the display device cannot be in linkage control with the gray scale of a display screen in the related technology.
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 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 scale value includes: determining the mean value and the maximum value of the gray scale of the data to be displayed; and inputting the average value and the minimum value into a lookup table, and outputting the current gain value and the display gray value by the lookup table.
Optionally, controlling the display device to display the data to be displayed according to the current gain value and the display gray scale 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 receiving cards; sending 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 a data unit, the display gray value corresponding to the data unit is displayed, and the register address is used for indicating a register which stores the current gain value corresponding to the data unit; 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 of the driving chip.
Optionally, when 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, including: and continuously transmitting the image data and the register address of a plurality of frames of data to the receiving card through each data group signal, wherein the register addresses of the data of adjacent frames are different.
Optionally, before sending the current gain value and the display gray scale value to the receiving card through a plurality of data set signals, the method includes: determining whether a 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; and in the case that the waveform of the frame synchronization signal is the same as the waveform of the signal indicating the start of updating the data to be displayed, performing the step of transmitting the current gain value and the display gray value to the receiving card through a plurality of data group signals.
According to another aspect of the embodiments of the present invention, there is also provided a display device including: the receiving module is used for receiving 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: the determining unit is used for determining the mean value and the most value of the gray scale of the data to be displayed; and the searching unit is used for inputting the average value and the minimum value into a searching table, and outputting the current gain value and the 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; a sending unit, configured to send the current gain value and the display gray scale value to a receiving card through a plurality of data set signals, where each data set signal includes image data and a register address, the image data includes a data unit, the data unit corresponds to a display gray scale value, and the register address is used to indicate a register in which the current gain value corresponding to the data unit is stored; and the display unit is used for 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 of the driving chip.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes a display method of any one of the above display apparatuses when running.
According to another aspect of the embodiments of the present invention, there is also provided a computer storage medium, where the computer storage medium includes a stored program, and when the program runs, the apparatus where the computer storage medium is located is controlled to execute the display method of the display apparatus according to any one of the above.
In the embodiment of the invention, the data to be displayed of the display device is received; analyzing 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 data to be displayed, the current of the driving chip is controlled through the current gain value, the output brightness of the driving chip can be further reduced by utilizing the current parameter of the driving chip, and then 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 display effect is poor due to the fact that the current of the driving chip of the display device cannot be in linkage control with the gray level of a display screen in the related art 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 embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a display method of a display apparatus according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a timing of a driving chip receiving a signal according to the prior art;
fig. 3 is a flowchart of data processing of a display device according to the related art;
fig. 4 is a schematic diagram of a display device before and after data processing according to the related 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 diagram illustrating a timing sequence of a driving chip receiving signals according to an embodiment of the invention;
fig. 7 is a schematic diagram of a display device before and after data processing according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present 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 accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
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 including the steps of:
step S102, receiving data to be displayed of a display device;
step S104, analyzing 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;
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 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 data to be displayed, the current of the driving chip is controlled through the current gain value, the output brightness of the driving chip can be further reduced by utilizing the current parameter of the driving chip, and then 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 display effect is poor due to the fact that the current of the driving chip of the display device cannot be in linkage control with the gray level of a display screen in the related art 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 assembly. 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 display data to be displayed, the display data are 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 execution main body for processing the data to be displayed may be the controller, or may be a sending card or a receiving card, and when the steps are applied specifically, for example, at an equipment end of the sending card, it is naturally convenient to apply the steps to the sending card, and the steps may be applied to the sending card, similarly, also at an equipment end of the receiving card, or at an equipment end of the control device.
In this embodiment, when the control device analyzes data to be displayed, the current gain value of the driving chip and the display gray scale 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, and further the LED lamp point is controlled to emit weaker light, and the light emitting intensity of the LED lamp point is controlled more effectively.
Therefore, the purpose of controlling the current of the driving chip and realizing the accurate control of 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 display effect is poor due to the fact that the current of the driving chip of the display device cannot be in linkage control with the gray level of the display screen in the related art is solved.
Optionally, analyzing the data to be displayed, determining the current gain value, and displaying the gray scale value includes: determining the mean value and the maximum value of the gray scale of the data to be displayed; and inputting the average value and the minimum value into a lookup table, and outputting a current gain value and a display gray value by the lookup table.
The Look-Up Table is a Look-Up-Table (Look-Up-Table), which is essentially a RAM memory, data is written into the Look-Up Table in advance, every time a signal is input, the data is equal to an address input into the Look-Up Table, and the content corresponding to the address is found according to the address and then output. The mean 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 a display gray scale value corresponding to the input gray scale value through a series of transformations such as threshold value, inversion, binarization, contrast adjustment, linear transformation and the like, so that 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 scale 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 receiving cards; sending 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 a data unit, the display gray value corresponding to the data unit is displayed, and the register address is used for indicating a register which stores the current gain value corresponding to the data unit; and the current gain value and the display gray value are sent to the driving chip through the receiving card, and the driving chip drives the display device to display the data to be displayed according to the current gain value and the display gray value.
The display device may include a plurality of receiving cards, each receiving card corresponding to a different region of the display device, responsible for pixel display of the region. That is, for a data to be displayed, the data needs to be split into data units corresponding to the receiving cards, and the data units correspond to the receiving cards one to one. And after receiving the data unit, the receiving card sends the data unit to the driving chip, and the driving display component displays the content corresponding to the data unit.
The display parameters related to the data unit are required to be simultaneously transmitted to the receiving card while the data unit is transmitted to the receiving card, and include the current gain value and the display gray scale value. The number of the data group signals depends on the communication requirement between hardware, and can be 32 groups, 64 groups, 24 groups and the like. And sending the image data and the 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, the display gray values corresponding to the data units are displayed, and the register address is used for indicating a register which stores the current gain values corresponding to the data units.
Optionally, in a case that 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, including: and continuously transmitting the image data and the register address of a plurality of frames of data to the receiving card through each data group signal, wherein the register addresses of the data of adjacent frames are different.
And under the condition that the data to be displayed is multi-frame data, continuously sending image data and register addresses corresponding to the multi-frame data to the receiving card through a plurality of data group signals. And the continuity of the data to be displayed on the time domain is ensured.
Optionally, before sending the current gain value and the display gray scale value to the receiving card through the plurality of data set signals, the method includes: determining whether a waveform of a frame synchronization signal of the data to be displayed is the same as a waveform of a signal indicating to start 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 in a case where the waveform of the frame synchronization signal is the same as the waveform of the signal indicating the start of updating the data to be displayed.
Whether the waveform of the frame synchronization signal of the data to be displayed is the same as the waveform of the signal for instructing 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 and maintained for a certain time, for example, one clock cycle, or may be changed from a low level to a high level and maintained for a certain time, for example, two time cycles. It can be determined that the frame synchronization signal triggers 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 represent the frame synchronization signal and the flag for image frame update, and is not limited to the waveform representing the trigger in the control system, and may be different according to different types of driving chips.
It should be noted that the present application also provides an alternative implementation, and the details of the implementation are described below.
Fig. 2 is a schematic diagram of a timing when a driving chip receives a signal according to the related art, fig. 3 is a flowchart of data processing of a display device according to the related art, and fig. 4 is a schematic diagram of a display device according to the related art before and after data processing, as shown in fig. 2 to 4, in which a conventional LED display driving chip control sequence and logic are enumerated, wherein Vsync is a field sync signal, and represents a start flag and a sync flag of a full image stream. After the image synchronization, the control system will send the register information required by the normal operation of the driving chip to the driving chip. But the existing solutions do not require the control system to send out a register of current control every frame.
The existing scheme is as follows: the on-screen gradation data is gradation data after image processing such as correction, and is sent to the image data of the driver chip without any processing. The output link does not consider the characteristic that the current of the driving chip can influence the brightness of the LED lamp point, so the current register of the driving chip is not configured and set in each frame in the existing scheme. The LED control system only controls the image data information, and realizes the control of the luminous intensity of the lamp point. The current gain parameter is not used to more effectively control the luminous intensity of the LED lamp. And the accurate control of the current parameters from chip to chip 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 LED brightness and the refresh rate are accurately controlled. The method is accurate to the point that the driving chips can be used as a unit, the data group can be used as a unit, the receiving card can be used as a unit, the network port can be used as a unit, and the display screen can be used as a unit. May be implemented in, but is not limited to, a receiving card and may be implemented in, but is not limited to, a sending card.
Specifically, fig. 6 is a schematic diagram of a timing sequence of a signal received by a driving chip according to an embodiment of the present invention, as shown in fig. 6, Vsync represents a frame synchronization signal, and represents a flag for updating an image frame, which is not limited to the above format in a control system and may be different according to different types of the driving chip; 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 to directly go to the image output control unit, but in this embodiment, an LUT lookup table is inserted in this link, and new image data inside the LUT is searched for through the read data in the prior art, specifically, the data stored inside the LUT is determined according to the counted most value and mean value. And secondly, determining a new value of the current gain in the LUT according to the most value and the mean value which are counted to search the current gain, namely image separation data, and finally entering an image output control unit to be sent to a driving chip.
The output sequence of the driving chip is not strictly limited, and may be, but is not limited to, the "current register, other registers, and image data" in fig. 6;
fig. 5 is a flowchart of data processing of a display device according to an embodiment of the present invention, and as shown in fig. 5, the current register a/the current register B/the current register C configured for each frame are at the same position of the driving chip, but may change according to image content;
as shown in fig. 6, R/G/B represents different R/G/B data sets of the same receiving card, wherein the values of the current registers configured between each image frame data set are not limited, and may be the same or different.
As shown in fig. 5, the current value of the driving chip is analyzed according to the image analysis module to obtain the average value and the maximum value of the unit image. The unit image may be in units of a whole screen, a portal, a receiving card, a data group, and a driver chip. And caching the analysis result after analysis, and finally performing LUT (look-up table) operation on the analyzed result to obtain the final display screen gray value information of the current gain value of the driving chip. And the output control is carried out by matching with a control system, so that the brightness is improved in the refresh rate.
The image processing step, including analyzing the image to determine the display gray scale value and the current gain value, may be performed on an FPGA (Field Programmable Gate Array), but is not limited to being inside the FPGA. The FPGA may be provided with a receiving module and a transmitting module for receiving or transmitting image data, or a display gray scale value and a current gain value, or may only be provided with the receiving module or the transmitting module, in this embodiment, the FPGA may only have the transmitting module to transmit the current gain value and the display gray scale value obtained by processing an image, the CPLD may also have the receiving module to receive data transmitted by the FPGA, or the CPLD (Complex Programmable Logic Device) may also be provided with the receiving module and the transmitting module, the 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 the current gain value and the display gray scale value, and the processed current gain value and the processed display gray scale value are transmitted by the transmitting module.
Fig. 7 is a schematic diagram of the display device according to the embodiment of the present invention before and after data processing, and as shown in fig. 7, the current gain and the image data corresponding relationship of the embodiment is: when the gray data is smaller than N, the control system can increase the size of the output gray data by 4 times or 8 times, and reduce the equivalent current gain size to the current gain value corresponding to the brightness (1/4) or (1/8) of the existing LED display screen.
According to the embodiment, the accurate control of the brightness and the refresh rate of the LED display screen is improved through the accurate current control of the driving chip. The control mode of the hardware control drive chip is as follows: the current gain value is in linkage relation with the gray data; hardware control driver chip range: the device can be in units of a driving chip, a data group, a receiving card, a network port and a display screen.
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: a receiving module 82, an analyzing module 84, and a display module 86, which are described in detail below.
A receiving module 82, configured to receive data to be displayed; an analyzing module 84, connected to the receiving module 82, for analyzing the data to be displayed, determining a current gain value, and displaying a gray scale value; and a display module 86, connected to the analysis module 84, for controlling the display device to display the data to be displayed according to the current gain value and the display gray scale value.
By the 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, the current of the driving chip is controlled through the current gain value, the output brightness of the driving chip can be further reduced by using the current parameter of the driving chip, and the LED lamp point is controlled to emit weaker light, so that the current of the driving chip is controlled, the purpose of accurately controlling the display device is achieved, thereby the technical effect of improving the display quality of the display device is achieved, and the technical problem that the display effect is poor due to the fact that the current of the driving chip of the display device cannot be in linkage control with the gray value of the display screen in the related art is solved.
Optionally, the analysis module includes: the determining unit is used for determining the mean 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 minimum value into the searching table, and outputting the current gain value and the 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 transmitting unit is used for transmitting the current gain values and the display gray values to the 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 values corresponding to the data units are displayed, and the register addresses are used for indicating registers in which the current gain values corresponding to the data units are stored; 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 of the driving chip.
According to another aspect of the embodiments of the present invention, there is also provided a processor configured to execute a program, where the program executes a display method of a display device according to any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a computer storage medium, wherein the computer storage medium includes a stored program, and wherein when the program runs, an apparatus in which the computer storage medium is located is controlled to execute the display method of the display apparatus in any one of the above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technical content can be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
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, 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 analyzing the data to be displayed, determining a current gain value, and displaying a gray scale value comprises:
determining the mean 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.
3. 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 receiving cards;
sending 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 a data unit, the display gray value corresponding to the data unit is displayed, and the register address is used for indicating a register which stores the current gain value corresponding to the data unit;
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 driving of the driving chip.
4. The method of claim 3, wherein in the case that the data to be displayed includes data of a plurality of frames, the transmitting the current gain value and the display gray scale value to a receiving card through a plurality of data group signals comprises:
and continuously transmitting the image data and the register address of a plurality of frames of data to the receiving card through each data group signal, wherein the register addresses of the data of adjacent frames are different.
5. The method of claim 3, wherein signaling the current gain values and the display gray scale values to a receiving card via a plurality of data sets comprises:
determining whether a 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;
and in the case that the waveform of the frame synchronization signal is the same as the waveform of the signal indicating the start of updating the data to be displayed, performing the step of transmitting the current gain value and the display gray value to the receiving card through a plurality of data group signals.
6. A display device, comprising:
the receiving module is used for receiving 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, 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.
7. The display device of claim 6, wherein the analysis module comprises:
the determining unit is used for determining the mean value and the most 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 a searching table, and outputting the current gain value and the display gray value by the searching table.
8. The display device according to claim 7, 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 sending unit, configured to send the current gain value and the display gray scale value to a receiving card through a plurality of data set signals, where each data set signal includes image data and a register address, the image data includes a data unit, the data unit corresponds to a display gray scale value, and the register address is used to indicate a register in which the current gain value corresponding to the data unit is stored;
and the display unit is used for 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 of the driving chip.
9. A processor, characterized in that the processor is configured to execute a program, wherein the program executes a display method of a display device according to any one of claims 1 to 5.
10. A computer storage medium, comprising a stored program, wherein when the program runs, an apparatus in which the computer storage medium is located is controlled to execute a display method of a display device according to any one of claims 1 to 5.
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