CN114446216A - Brightness compensation method and device, electronic equipment, storage medium and display panel - Google Patents
Brightness compensation method and device, electronic equipment, storage medium and display panel Download PDFInfo
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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
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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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
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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
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- 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
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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Abstract
The application provides a brightness compensation method, a brightness compensation device, an electronic device, a storage medium and a display panel, and relates to the technical field of image display. The brightness compensation method is applied to a display panel, the display panel is controlled by a time schedule controller, and the method comprises the following steps: judging whether a frame frequency switching event occurs on the display panel; and if so, comparing the frame frequency after switching with the frame frequency before switching, and adjusting the starting time of the clock signal of the time schedule controller according to the comparison result so as to periodically compensate the brightness of the display panel. By adopting the brightness compensation method provided by the application, the problems of high cost and low efficiency in brightness compensation processing in the traditional mode can be solved.
Description
Technical Field
The present disclosure relates to the field of image display technologies, and in particular, to a brightness compensation method and apparatus, an electronic device, a storage medium, and a display panel.
Background
At present, display devices having a high frame rate, such as mobile phones, game machines, and tablet computers, are widely used in people's daily life and work. However, the high frame rate brings high power consumption, thereby affecting the user experience.
In order to increase the battery life, the display panel must switch different frame rates according to different usage scenarios, such as switching between 10/30/60/90/120Hz frame rates, and since the frame rate is switched to change the brightness of the display panel, in the conventional method, multiple Gamma circuits are prepared for the display panel for use at different frame rates, the multiple Gamma circuits increase the circuit area, the design cost of the integrated circuit also increases, and because the Gamma circuit panel factory must adjust each site online, the production cost of the display panel is increased, and the production efficiency of the display panel is reduced.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a luminance compensation method, so as to solve the problems of high cost and low efficiency when processing luminance compensation in the conventional manner.
Mainly comprises the following aspects:
in a first aspect, the present application provides a brightness compensation method applied to a display panel, the display panel being controlled by a timing controller, the method comprising:
judging whether a frame frequency switching event occurs on the display panel;
and if so, comparing the frame frequency after switching with the frame frequency before switching, and adjusting the starting time of the clock signal of the time schedule controller according to the comparison result so as to periodically compensate the brightness of the display panel.
According to the brightness compensation method provided by the embodiment of the application, when the frame frequency switching event occurs on the display panel, the starting time of the clock signal of the time schedule controller is adjusted according to the comparison result of the frame frequency before and after switching, so as to compensate the brightness of the display panel. By the method, the power consumption of the screen can be saved, and the design cost and the production cost are reduced.
In some optional implementations, wherein the frame rate switching event comprises a high frame rate switching low frame rate event and a low frame rate switching high frame rate event;
the judging whether the frame frequency switching event occurs on the display panel includes: judging whether a high frame frequency switching low frame frequency event or a low frame frequency switching high frame frequency event occurs on the display panel;
the adjusting the turn-on time of the clock signal of the timing controller according to the comparison result includes:
if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of the clock signal; and
and if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the clock signal.
In the above implementation, the duty ratio of the clock signal is decreased when a low frame rate switching high frame rate event occurs in the display panel, and the duty ratio of the clock signal is increased when a high frame rate switching low frame rate event occurs in the display panel. The brightness of the display panel can be compensated by adjusting the duty ratio of the clock signal, and the power consumption of the display panel is saved.
In some alternative implementations, the clock signal includes a first clock signal and a second clock signal; the adjusting the turn-on time of the clock signal of the timing controller according to the comparison result to periodically compensate the brightness of the display panel includes:
adjusting turn-on times of the first and second clock signals of the timing controller;
and adjusting the opening and closing time of a logic gate of the time schedule controller based on the opening time of the first clock signal and the second clock signal so as to periodically compensate the brightness of the display panel.
In the implementation mode, the opening and closing time of the logic gate of the time schedule controller is controlled by adjusting the opening time of the first clock signal and the second clock signal, so that the brightness of the display panel can be controlled, the power consumption of the display panel is saved, and the design cost and the production cost are reduced.
In some alternative implementations, wherein the timing controller includes a plurality of logic gates; and when the levels of the first clock signal and the second clock signal are different, the plurality of logic gates of the time schedule controller are sequentially opened.
In the above implementation manner, when the levels of the first clock signal and the second clock signal are different, the plurality of logic gates of the timing controller are sequentially turned on, and the display panel can be driven to display by turning on the logic gates.
In some optional implementations, the opening and closing time of the timing controller logic gate is in positive correlation with the time when the levels of the first clock signal and the second clock signal are different.
In the implementation mode, the opening and closing time of the logic gate of the time schedule controller can be controlled by controlling the level difference time of the first clock signal and the second clock signal so as to compensate the brightness of the display panel, save the power consumption of the display panel and reduce the design cost and the production cost.
In some optional implementations, the adjusting the on-times of the first clock signal and the second clock signal of the timing controller includes:
if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of the first clock signal and the second clock signal; and
and if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the first clock signal and the second clock signal.
In the above implementation, the duty ratios of the first clock signal and the second clock signal are decreased when a low frame frequency switching high frame frequency event occurs in the display panel, and the duty ratios of the first clock signal and the second clock signal are increased when a high frame frequency switching low frame frequency event occurs in the display panel. Through the adjustment of the duty ratio of the first clock signal and the second clock signal, the brightness of the display panel can be compensated, and the power consumption of the display panel is saved.
In a second aspect, an embodiment of the present application provides an illumination compensation apparatus, including:
the judging module is used for judging whether a frame frequency switching event occurs on the display panel; and
and the adjusting module is used for comparing the frame frequency after switching with the frame frequency before switching when the frame frequency switching event occurs on the display panel, and adjusting the starting time of the clock signal of the time schedule controller according to the comparison result so as to periodically compensate the brightness of the display panel.
According to the brightness compensation device provided by the embodiment of the application, when the frame frequency switching event occurs on the display panel, the on time of the clock signal of the time schedule controller is adjusted according to the comparison result of the frame frequency before and after switching so as to compensate the brightness of the display panel. By the method, the power consumption of the screen can be saved, and the design cost and the production cost are reduced.
In a third aspect, an embodiment of the present application provides a display panel, which includes a timing controller and the brightness compensation device of the second aspect; the brightness compensation device is used for adjusting the time sequence of the time sequence controller.
In a fourth aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes a memory and a processor, where the memory stores program instructions, and the processor executes the steps in any one of the foregoing implementation manners when reading and executing the program instructions.
In a fifth aspect, an embodiment of the present application further provides a computer-readable storage medium, where computer program instructions are stored in the computer-readable storage medium, and when the computer program instructions are read and executed by a processor, the computer program instructions perform the steps in any of the above implementation manners.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic diagram of functional modules of a display panel according to an embodiment of the present disclosure;
FIG. 2 is a timing diagram illustrating a brightness compensation method according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a brightness compensation method according to an embodiment of the present application;
fig. 4 is a timing diagram illustrating frame rate switching of a luminance compensation method according to an embodiment of the present disclosure;
FIG. 5 is another timing diagram illustrating frame rate switching of an illumination compensation method according to an embodiment of the present disclosure;
fig. 6 is a functional block diagram of a luminance compensation apparatus according to an embodiment of the present disclosure; and
fig. 7 is a block diagram of an electronic device according to an embodiment of the present application.
Icon: 100-a display panel; 110-a time schedule controller; 120-luminance compensation means; 121-a judgment module; 122-an adjustment module; 300-an electronic device; 310-a processor; 320-memory.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 application, and not all the embodiments. The following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
The applicant found in the course of the study: in a high frame rate mobile phone, the display panel needs to be switched between high and low frame rates in order to increase the battery life. In the conventional method, multiple Gamma circuits are prepared for the display panel for different frame frequencies, but the multiple Gamma circuits increase the circuit area, the design cost of the integrated circuit also increases, and because the Gamma circuit panel factory must adjust each site on line, the production cost of the display panel is increased, and the production efficiency of the display panel is reduced.
Based on this, the embodiments of the present application provide a brightness compensation method, when a frame frequency switching event occurs on a display panel, adjusting an on time of a clock signal of a timing controller according to a comparison result of high and low frame frequencies before and after switching, so as to compensate brightness of the display panel. The method can save the power consumption of the display panel and reduce the design cost and the production cost. The brightness compensation method provided by the present application is described below by several embodiments.
To facilitate understanding of the present embodiment, an exemplary description of the display panel 100 for performing the method according to the embodiment of the present application will be given first.
Referring to fig. 1, fig. 1 is a schematic diagram of functional modules of a display panel according to an embodiment of the present disclosure. The display panel 100 includes a timing controller 110 and a brightness compensation device 120. The brightness compensation device 120 is used for adjusting the timing of the timing controller 110.
Illustratively, the display panel 100 may be an OLED (Organic Light-Emitting Diode) screen including a plurality of current type Organic Light-Emitting diodes, which is a phenomenon of Emitting Light by injection and recombination of carriers, and the Light emission intensity of which is proportional to the injected current.
The timing controller 110 may include various timings, as shown in fig. 2, and fig. 2 is a timing diagram of a brightness compensation method according to an embodiment of the present disclosure. Wherein each signal is introduced as follows: (1) VSYNC is a vertical synchronization signal that is asserted once before each frame of scan, from which the field frequency of the LCD, i.e., the number of screen refreshes per second, can be determined; (2) HSYNC is a horizontal sync signal that is asserted once before each line scan, from which the line frequency of the LCD, i.e., the number of times a line is scanned from left to right of the screen per second, can be determined; (3) STV is a trigger signal that causes the logic gate to output; (4) CKV1/CKV2 are clock signals; (5) G0-Gn are n logic gate signals.
Referring to fig. 3, fig. 3 is a flowchart of a luminance compensation method according to an embodiment of the present application, which may include steps 210 to 220.
Illustratively, when the usage scenario of the display panel is switched, to increase the battery usage time, a frame rate switching event may occur. The usage scene switching can be from the game interface to the desktop, and the usage scene switching can also be from the video interface to the chat interface. In one example, the display panel is switched from a 120Hz frame frequency to a 90Hz frame frequency or from a 90Hz frame frequency to a 120Hz frame frequency due to a change in the usage scenario, and the occurrence of a frame frequency switching event may cause the brightness of the display panel to change.
And step 220, if so, comparing the frame frequency after switching with the frame frequency before switching, and adjusting the starting time of the clock signal of the time schedule controller according to the comparison result so as to periodically compensate the brightness of the display panel.
Illustratively, if the frame frequency switching event occurs on the display panel, the on-time of the clock signal of the timing controller is adjusted according to the comparison result of the frame frequency before and after the switching to compensate the brightness of the display panel. The method can save the power consumption of the display panel and reduce the design cost and the production cost.
Optionally, the frame rate switching event comprises a high frame rate switching low frame rate event and a low frame rate switching high frame rate event. Step 210 may include: and judging whether the display panel generates a high frame frequency switching low frame frequency event or a low frame frequency switching high frame frequency event.
Illustratively, the display panel may be switched between 10/30/60/90/120Hz frame frequencies. When a high frame frequency is switched to a low frame frequency, the brightness of the display panel is reduced, and when a low frame frequency is switched to a high frame frequency, the brightness of the display panel is increased.
Optionally, step 220 may include steps 221 through 222.
And step 221, if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of the clock signal.
For example, if the frame frequency after switching is higher than the frame frequency before switching, that is, a low frame frequency switching high frame frequency event occurs, the brightness of the display panel may increase, the duty ratio of the clock signal may decrease, and the brightness of the display panel may decrease.
And step 222, if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the clock signal.
For example, if the frame frequency after switching is lower than the frame frequency before switching, that is, a high frame frequency switching low frame frequency event occurs, the brightness of the display panel may be reduced, and the duty ratio of the clock signal may be increased to increase the brightness of the display panel.
Optionally, the clock signal includes a first clock signal and a second clock signal, and step 220 may further include steps a to B.
And step A, adjusting the opening time of a first clock signal and a second clock signal of the time sequence controller.
And B, adjusting the opening and closing time of the logic gate of the time schedule controller based on the opening time of the first clock signal and the second clock signal so as to periodically compensate the brightness of the display panel.
For example, the open/close time of the logic gate may control the charging time of the organic light emitting diode in the display panel, and the longer the charging time of the organic light emitting diode, the higher the voltage thereof, the brighter the luminance. When the display panel generates a frame frequency event, the brightness of the display panel can be changed, the opening and closing time of a logic gate of the time schedule controller is controlled by adjusting the opening time of a first clock signal and a second clock signal of the time schedule controller, and the current time of an organic light emitting diode in the display panel is adjusted to periodically compensate the brightness of the display panel.
Optionally, the timing controller comprises a plurality of logic gates; when the levels of the first clock signal and the second clock signal are different, the plurality of logic gates of the timing controller are sequentially turned on.
For example, the timing controller may include n logic gates G0 and G1 … … Gn, please refer to the timing diagram shown in fig. 2, wherein the n logic gates constitute an active array of the display panel, and when the logic gates are turned on, the n organic light emitting diodes controlled by the logic gates have current flowing through, and the display panel displays images.
Illustratively, in the present application, the first clock signal and the second clock signal are used to control the logic gate to be turned on and off, after the STV signal is triggered, the logic gate G0 is turned on at the first falling edge where the levels of the first clock signal and the second clock signal are different, the logic gate G1 is turned on at the second falling edge where the levels of the first clock signal and the second clock signal are different, and so on until the logic gate Gn is turned on.
Optionally, the opening and closing time of the logic gate of the timing controller is in positive correlation with the time when the levels of the first clock signal and the second clock signal are different.
Illustratively, the opening and closing time of the logic gate is longer the time when the first clock signal and the second clock signal are different in level, whereas the opening and closing time of the logic gate is shorter the time when the first clock signal and the second clock signal are different in level. Therefore, the opening and closing time of the logic gate can be controlled by adjusting the time of the first clock signal and the second clock signal so as to periodically compensate the brightness of the display panel.
Alternatively, step a may include steps a to b.
Step a, if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of a first clock signal and a second clock signal;
exemplarily, as shown in fig. 4, fig. 4 is a timing chart of frame rate switching of the brightness compensation method provided in the embodiment of the present application. If the display panel is subjected to a low frame frequency switching high frame frequency event, the brightness of the display panel is increased, and at this time, the duty ratio of the first clock signal (CKV1) and the second clock signal (CKV2) is reduced relative to the normal frame frequency, and the opening and closing time of the logic gates G1 to Gn is also correspondingly reduced, so that the shorter the time for the organic light emitting diodes in the display panel to pass current, i.e. the shorter the charging time, the lower the brightness of the display panel is, and the compensation for the brightness of the display panel is realized.
And b, if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the first clock signal and the second clock signal.
As shown in fig. 5, fig. 5 is another timing chart of frame rate switching of the brightness compensation method according to the embodiment of the present application. If the display panel is subjected to an event of switching between a high frame rate and a low frame rate, the brightness of the display panel is reduced, and at this time, the duty ratios of the first clock signal (CKV1) and the second clock signal (CKV2) are increased relative to the normal frame rate, and the opening and closing time of the logic gates G1 to Gn is also increased correspondingly, so that the longer the time for the organic light emitting diodes in the display panel to pass through current, i.e., the longer the charging time, the higher the brightness of the display panel is, and the compensation for the brightness of the display panel is realized.
Based on the same application concept, the embodiment of the present application further provides a luminance compensation device corresponding to the luminance compensation method, and since the principle of the device in the embodiment of the present application for solving the problem is similar to that of the embodiment of the luminance compensation method, the implementation of the device in the embodiment of the present application can refer to the description in the embodiment of the method, and repeated details are not repeated.
It should be noted that the brightness compensation method provided in the embodiment of the present application can be applied to other apparatuses in the field besides the apparatus corresponding to the timing chart shown in fig. 2, and is not limited thereto.
As shown in fig. 6, fig. 6 is a functional block diagram of a luminance compensation apparatus according to an embodiment of the present disclosure.
The embodiment of the present application provides a luminance compensation apparatus 120, wherein the luminance compensation apparatus 120 includes a determining module 121 and an adjusting module 122.
The determining module 121 is configured to determine whether a frame frequency switching event occurs on the display panel 100.
The adjusting module 122 is configured to compare the frame frequency after switching with the frame frequency before switching when a frame frequency switching event occurs on the display panel 100, and adjust the on-time of the clock signal of the timing controller 110 according to the comparison result, so as to periodically compensate the brightness of the display panel 100.
Optionally, the frame rate switching event includes a high frame rate switching low frame rate event and a low frame rate switching high frame rate event, and the determining module 121 is further configured to: it is determined whether a high frame rate switching low frame rate event or a low frame rate switching high frame rate event occurs in the display panel 100.
Optionally, the adjusting module 122 is further configured to: if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of the clock signal; and if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the clock signal.
Optionally, the clock signal includes a first clock signal and a second clock signal, and the adjusting module 122 is further configured to: adjusting the turn-on time of the first clock signal and the second clock signal of the timing controller 110; based on the turn-on time, the open/close time of the logic gate of the timing controller 110 is adjusted to periodically compensate for the brightness of the display panel 100.
Alternatively, the timing controller 110 includes a plurality of logic gates, and the plurality of logic gates of the timing controller 110 are sequentially turned on when the levels of the first and second clock signals are different.
Alternatively, the opening and closing time of the logic gate of the timing controller 110 has a positive correlation with the time when the levels of the first clock signal and the second clock signal are different.
Optionally, the adjusting module 122 is further configured to reduce duty ratios of the first clock signal and the second clock signal if the frame frequency after switching is higher than the frame frequency before switching; and if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the first clock signal and the second clock signal.
Referring to fig. 7, fig. 7 is a block diagram illustrating an electronic device according to an embodiment of the present disclosure. The embodiment of the application introduces the electronic equipment operated by the motor synchronous driving method. The electronic device 300 may include a processor 310 and a memory 320. It will be understood by those skilled in the art that the structure shown in fig. 7 is merely illustrative and is not intended to limit the structure of the electronic device 300. For example, electronic device 300 may also include more or fewer components than shown in FIG. 7, or have a different configuration than shown in FIG. 7.
Alternatively, the electronic device 300 may be a smart phone, a Personal Computer (PC), a tablet PC, a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), or the like.
The processor 310 and the memory 320 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The processor 310 described above is used to execute executable modules stored in memory.
The Memory 320 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 320 is used for storing a program, and the processor 310 executes the program after receiving an execution instruction, and the method executed by the electronic device 300 defined by the process disclosed in any embodiment of the present application may be applied to the processor 310, or implemented by the processor 310.
The processor 310 may be an integrated circuit chip having signal processing capabilities. The Processor 310 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The electronic device 300 in this embodiment may be configured to perform each step in each method provided in this embodiment.
In addition, an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program performs the steps of any of the methods described above.
The computer program product of the brightness compensation method provided in the embodiment of the present application includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the steps of the brightness compensation method in the above method embodiment, which may be referred to in the above method embodiment specifically, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative and, for example, the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist alone, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method of brightness compensation, applied to a display panel controlled by a timing controller, the method comprising:
judging whether a frame frequency switching event occurs on the display panel;
and if so, comparing the frame frequency after switching with the frame frequency before switching, and adjusting the starting time of the clock signal of the time schedule controller according to the comparison result so as to periodically compensate the brightness of the display panel.
2. The method of claim 1, wherein the frame rate switching events comprise high frame rate switching low frame rate events and low frame rate switching high frame rate events;
the judging whether the frame frequency switching event occurs on the display panel includes: judging whether a high frame frequency switching low frame frequency event or a low frame frequency switching high frame frequency event occurs on the display panel;
the adjusting the turn-on time of the clock signal of the timing controller according to the comparison result includes:
if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of the clock signal;
and
and if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the clock signal.
3. The method of claim 1, wherein the clock signal comprises a first clock signal and a second clock signal; the adjusting the turn-on time of the clock signal of the timing controller according to the comparison result to periodically compensate the brightness of the display panel includes:
adjusting turn-on times of the first and second clock signals of the timing controller;
and adjusting the opening and closing time of a logic gate of the time schedule controller based on the opening time of the first clock signal and the second clock signal so as to periodically compensate the brightness of the display panel.
4. The method of claim 3, wherein the timing controller comprises a plurality of logic gates; and when the levels of the first clock signal and the second clock signal are different, the plurality of logic gates of the time schedule controller are sequentially opened.
5. The method of claim 4, wherein the opening and closing time of the timing controller logic gate is positively correlated to the time when the levels of the first and second clock signals are different.
6. The method of claim 5, wherein the adjusting the on-times of the first and second clock signals of the timing controller comprises:
if the frame frequency after switching is higher than the frame frequency before switching, reducing the duty ratio of the first clock signal and the second clock signal; and
and if the frame frequency after switching is lower than the frame frequency before switching, increasing the duty ratio of the first clock signal and the second clock signal.
7. An apparatus for luminance compensation, the apparatus comprising:
the judging module is used for judging whether a frame frequency switching event occurs on the display panel; and
and the adjusting module is used for comparing the frame frequency after switching with the frame frequency before switching when the frame frequency switching event occurs on the display panel, and adjusting the starting time of a clock signal of the time schedule controller according to the comparison result so as to periodically compensate the brightness of the display panel.
8. A display panel comprising a timing controller and the luminance compensation device according to claim 7; the brightness compensation device is used for adjusting the time sequence of the time sequence controller.
9. An electronic device comprising a memory having stored therein program instructions and a processor that, when executed, performs the steps of the method of any of claims 1-6.
10. A computer-readable storage medium having computer program instructions stored thereon for execution by a processor to perform the steps of the method of any one of claims 1-6.
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