CN106502610B - A kind of display brightness method of adjustment and mobile terminal - Google Patents
A kind of display brightness method of adjustment and mobile terminal Download PDFInfo
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- CN106502610B CN106502610B CN201610932249.5A CN201610932249A CN106502610B CN 106502610 B CN106502610 B CN 106502610B CN 201610932249 A CN201610932249 A CN 201610932249A CN 106502610 B CN106502610 B CN 106502610B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
Abstract
The present invention provides a kind of display brightness method of adjustment and mobile terminals, this method comprises: during detecting mobile terminal light modulation, when current light modulation brightness is by preset automatic current limitation ACL switching point, the first input grayscale of the first pixel of the display interface of mobile terminal is obtained；Wherein, ACL switching point is the switching point that ACL is opened and closed；According to the corresponding relationship between preset input grayscale and dimming curve, determine that the first dimming curve corresponding with the first input grayscale, dimming curve are the curved line relation dimmed between the display brightness of the display interface of brightness and mobile terminal；According to the first dimming curve, determine that the first pixel, corresponding with current light modulation brightness the first display brightness adjust the display brightness of display interface according to the first display brightness.The present invention solves existing electronic equipment after opening ACL, ACL open and close switching point image show grayscale have jump, to user's jump in brightness feeling the problem of.
Description
Technical field
The present invention relates to mobile communication technology field, in particular to a kind of display brightness method of adjustment and mobile terminal.
Background technique
As electronic equipment is towards the trend development of large screen, the power consumption that screen generates is also increasing.In order to reduce screen
The power consumption of curtain, some electronic equipments are provided with automatic current and limit (Automatic Current Limited, ACL) function, drop
The display grayscale of low image.Under normal conditions, the brightness height for the image that human eye is seen from electronic equipment is shown by image
What both grayscale (output grayscale) and electronic equipment display brightness codetermined.The process of electronic equipment light modulation is that vision is continuous
, the grayscale that will lead to pure white picture is not achieved 255 after virtually powered-on ACL, that is, the picture shown can be than closing
Close the dark of ACL.In electronic equipment low brightness area, it can be made up, but if be set in electronics by improving light modulation brightness
Standby light modulation brightness reaches high-brightness region, very limited to improve visual brightness by improving light modulation brightness, i.e. shows after unlatching ACL
Picture out can be than closing the dark of ACL.
Under normal conditions, electronic equipment be that ACL is opened in display brightness highest point or less, in display brightness highest point
ACL is closed, the visual brightness of display brightness highest point is improved by this method.
If in the case that image shows that grayscale does not change, the process of electronic equipment light modulation is continuous, i.e. brightness
It is not mutated, not splashette；However, opening ACL in low brightness area, high-brightness region closes ACL, the image display ash in switching point
Rank has jump, may be to the feeling of the strong jump in brightness of user, and light modulation brightness is bigger, and mutation effect is more obvious, unfavorable
In the usage experience for promoting user.
Summary of the invention
The present invention provides a kind of display brightness method of adjustment and mobile terminals, and its purpose is to solve existing electronics to set
For after opening ACL, show that grayscale has jump in the switching point image that ACL is opened and closed, to the sense of user's jump in brightness
The problem of feel.
On the one hand, the embodiment provides a kind of display brightness methods of adjustment, this method comprises:
During detecting mobile terminal light modulation, current light modulation brightness is cut by preset automatic current limitation ACL
When changing, the first input grayscale of the first pixel of the display interface of mobile terminal is obtained；Wherein, ACL switching point is opened for ACL
The switching point for opening and closing；
According to the corresponding relationship between preset input grayscale and dimming curve, determine corresponding with the first input grayscale
The first dimming curve, dimming curve is that the curve dimmed between the display brightness of the display interface of brightness and mobile terminal closes
System；
According to the first dimming curve, the first pixel, corresponding with current light modulation brightness the first display brightness, root are determined
According to the first display brightness, the display brightness of display interface is adjusted.
On the other hand, the embodiments of the present invention also provide a kind of mobile terminals, comprising:
Grayscale obtains module, for during detecting mobile terminal light modulation, current light modulation brightness to be by preset
When automatic current limits ACL switching point, the first input grayscale of the first pixel of the display interface of mobile terminal is obtained；Its
In, ACL switching point is the switching point that ACL is opened and closed；
Curve determining module, for determining according to the corresponding relationship between preset input grayscale and dimming curve
The first dimming curve corresponding with the first input grayscale, dimming curve are the display for dimming the display interface of brightness and mobile terminal
Curved line relation between brightness；
Brightness adjusting section, for according to the first dimming curve, determine the first pixel, it is corresponding with brightness is currently dimmed
The first display brightness the display brightness of display interface is adjusted according to the first display brightness.
In this way, display brightness method of adjustment provided by the invention and mobile terminal, by determining and the first input grayscale pair
The dimming curve answered, to determine that the final display brightness of display interface, dimming curve complete input ash as an intermediate variable
Transformation between rank and display brightness keeps display brightness related to input grayscale, and not only related to light modulation brightness；When mobile whole
Holding current dimming process is that from low to high, the output grayscale of image gradually increases, in order to offset the growth of output grayscale,
Display brightness on dimming curve is set below current display brightness；When the current dimming process of mobile terminal be by height to
Low, the output grayscale of image gradually decreases, and dimming curve is set above current display brightness, to offset light modulation brightness
Change bring grayscale mutation；The present invention reduces the loss of the grayscale of mobile terminal, reach good visual consistency and
Power saving effect.The present invention solves existing electronic equipment after opening ACL, shows in the switching point image that ACL is opened and closed
Grayscale has jump, to user's jump in brightness feeling the problem of.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 shows the basic step flow charts of first embodiment of the present invention display brightness method of adjustment；
First exemplary schematic diagram of Fig. 2 expression first embodiment of the present invention；
Second exemplary schematic diagram of Fig. 3 expression first embodiment of the present invention；
Fig. 4 indicates one of the block diagram of mobile terminal that the second embodiment of the present invention provides；
Fig. 5 indicates the two of the block diagram for the mobile terminal that the second embodiment of the present invention provides；
Fig. 6 indicates the block diagram for the mobile terminal that the third embodiment of the present invention provides；
Fig. 7 indicates the block diagram for the mobile terminal that the fourth embodiment of the present invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
First embodiment
Referring to Fig. 1, the first embodiment of the present invention provides a kind of display brightness method of adjustment, comprising:
Step 101, current to dim brightness by preset ACL switching point during detecting mobile terminal light modulation
When, obtain the first input grayscale of the first pixel of the display interface of mobile terminal；Wherein, ACL switching point is automatic current
Limit the switching point that ACL is opened and closed.
Wherein, the brightness that light modulation brightness, that is, mobile terminal brightness control function is conditioned, it is generally the case that existing shifting
The brightness control function of dynamic terminal is adjusted by light modulation luminance bar；Automatic current limits ACL switching point as ACL opening and closing
Switching point, dim brightness by automatic current limitation ACL switching point when, obtain the first picture of the display interface of mobile terminal
First input grayscale of vegetarian refreshments, the display interface of mobile terminal include multiple pixels, and each pixel has respective input ash
Rank value.
Step 102, it according to the corresponding relationship between preset input grayscale and dimming curve, determines and the first input
Corresponding first dimming curve of grayscale, dimming curve are to dim between the display brightness of the display interface of brightness and mobile terminal
Curved line relation.
Wherein, in corresponding relationship, different input grayscale corresponds to different dimming curves.Dimming curve is light modulation brightness
Curved line relation between the display brightness of the display interface of mobile terminal, i.e., under different input grayscale, display brightness with
There is different curved line relations between light modulation brightness.After dimming curve determines, display brightness is determined according to light modulation brightness.Work as movement
The current dimming process of terminal is that from low to high, the output grayscale of image gradually increases, when the current light modulation of mobile terminal
Process is that from high to low, the output grayscale of image gradually decreases, and is brought in various degree to offset the change of light modulation brightness
Grayscale change, according to the different degrees of adjustment display brightness of dimming curve, the band of supplement ACL switching is removed with discrete brightness
The grey scale come realizes the smooth transition of ACL switching point in dimming process.
Step 103, according to the first dimming curve, determine the first pixel, it is corresponding with current light modulation brightness first aobvious
Show brightness, according to the first display brightness, adjusts the display brightness of display interface.
Wherein, the first dimming curve is the corresponding dimming curve of input grayscale of the first pixel, under present intensity, first
Pixel corresponds to first display brightness, and mobile terminal includes multiple pixels, comprehensively considers the first of each pixel
Display brightness adjusts the display brightness of display interface.
Wherein, display brightness, that is, mobile terminal display screen curtain actual displayed brightness.Grayscale will be inputted by corresponding relationship
With the relationship between dimming curve, dimming curve and display brightness, it is converted to the corresponding pass between input grayscale and display brightness
System, complete input grayscale and display brightness between transformation, make display brightness with input grayscale it is related, and not only with dim brightness
Correlation, to offset the jump in brightness in ACL switching point.
Preferably, during the light modulation brightness of mobile terminal is turned down, the corresponding light modulation of higher input grayscale is bent
The display brightness on display brightness dimming curve corresponding not less than lower input grayscale on line.
Wherein, during the light modulation brightness of mobile terminal is turned down, i.e., during being turned down by height, really for one
It sets the tone brightness, different pixels point corresponds to different display brightness on display interface, and the pixel of higher input grayscale
On dimming curve, the corresponding display brightness of light modulation brightness, not less than it is lower input grayscale pixel dimming curve on
The corresponding display brightness of light modulation brightness.For example, the input grayscale of pixel 1 is higher than pixel 2 for when light modulation brightness is m
Input grayscale, then on the dimming curve of pixel 1, the corresponding display brightness of m is m1；On the dimming curve of pixel 2, m
Corresponding display brightness is m2, then m2≤m1.When due to the dimming process of mobile terminal being from high to low, the output grayscale of image
It gradually decreasing, pixel itself can be dimmed, generates grayscale difference, and input grayscale is higher, and grayscale difference is more obvious, in order to
It offsets light modulation brightness and is turned down bring grayscale difference, display interface is supplemented by display brightness corresponding on dimming curve
Brightness, and to the more of the pixel supplement of higher input grayscale realizes the smooth of ACL switching point in dimming process with this
Transition.
As the first example, referring to fig. 2,3 curves in Fig. 2 be respectively from bottom to top dimming curve 1, dimming curve 2,
Dimming curve 3.Wherein, a point is preset ACL switching point；Dimming curve 2, dimming curve 3 are the light modulation song for adjusting display brightness
Line, dimming curve 1 are original dimming curve, i.e., do not adjust the dimming curve of display brightness, the corresponding input grayscale of dimming curve 3
Higher than the corresponding input grayscale of dimming curve 2.It is turned on or off ACL in a point, is turned down when the light modulation brightness of mobile terminal
In the process, when a point is passed through in light modulation brightness, the input grayscale of the pixel of display interface is obtained, according to corresponding relationship, determines input
Corresponding relationship between grayscale and dimming curve.Including 1,2 ..., the more a dimming curves of n, with wherein 2 dimming curves
For (dimming curve 2, dimming curve 3), for dimming luminance point a, the point on three dimming curves is respectively a1, a2, a3,
Display brightness with a1 curvilinear correlation is L1, and the display brightness with a2 curvilinear correlation is L2, the display brightness with a3 curvilinear correlation
For L3, then display brightness L3 ﹥ L2 ﹥ L1.
So, during the light modulation brightness of mobile terminal is turned down, when a point is passed through in light modulation brightness, input is grey at this time
The corresponding display brightness of the pixel that rank is 255 is L1, and the corresponding display brightness of pixel that input grayscale is 254 is L2, with
This analogizes, and the corresponding display brightness of pixel that input grayscale is 128 is L128, is above the corresponding display brightness of a1 point, and
The higher corresponding display brightness of input grayscale is higher, turns down influence to screen display brightness to offset brightness, avoids
Visual mutation.
Preferably, during the light modulation brightness of mobile terminal is raised, the corresponding light modulation of higher input grayscale is bent
The display brightness on display brightness dimming curve corresponding not higher than lower input grayscale on line.
Wherein, during the light modulation brightness of mobile terminal is raised, i.e., by low-key height during, for one really
It sets the tone brightness, different pixels point corresponds to different display brightness on display interface, and the pixel of higher input grayscale
On dimming curve, the corresponding display brightness of light modulation brightness, not higher than it is lower input grayscale pixel dimming curve on
The corresponding display brightness of light modulation brightness.For example, the input grayscale of pixel 1 is higher than pixel 2 for when light modulation brightness is n
Input grayscale, then on the dimming curve of pixel 1, the corresponding display brightness of n is n1；On the dimming curve of pixel 2, n
Corresponding display brightness is n2, then n2 >=n1.When due to the dimming process of mobile terminal being from low to high, the output grayscale of image
It gradually rising, pixel itself can brighten, and generate grayscale difference, and input grayscale is higher, and grayscale difference is more obvious, in order to
It offsets light modulation brightness and is turned down bring grayscale difference, display interface is turned down by display brightness corresponding on dimming curve
The smooth transition of ACL switching point in dimming process is realized in brightness with this.
As the second example, referring to Fig. 3,3 curves in Fig. 3 be respectively from bottom to top dimming curve 1, dimming curve 2,
Dimming curve 3.Wherein, a point is preset ACL switching point, and dimming curve 3 is original dimming curve, i.e., does not adjust display brightness
Dimming curve；Dimming curve 1, dimming curve 2 are the dimming curve for adjusting display brightness, and the corresponding input of dimming curve 1
Grayscale is higher than the corresponding input grayscale of dimming curve 2.It is turned on or off ACL in b point, when the light modulation brightness of mobile terminal is adjusted
In high process, when b point is passed through in light modulation brightness, the input grayscale of the pixel of display interface is obtained, according to corresponding relationship, is determined
Input the corresponding relationship between grayscale and dimming curve.Including 1,2 ..., the more a dimming curves of n are bent with wherein 2 light modulations
For line (dimming curve 1, dimming curve 2), for dim luminance point b, the point on three dimming curves be respectively b1, b2,
B3, the display brightness with b1 curvilinear correlation are L1, and the display brightness with b1 curvilinear correlation is L2, bright with the display of b3 curvilinear correlation
Degree is L3, then display brightness L3 ﹥ L2 ﹥ L1, and the higher corresponding display brightness of input grayscale is lower, and it is bright to be below original display
Degree turns down influence to screen display brightness to offset brightness, avoids visual mutation.
Preferably, step 103 includes:
Corresponding first display brightness of all pixels point of display interface is obtained, display brightness collection is generated；
The preset data that display brightness is concentrated is obtained, it is bright to determine that preset data shows for the target of mobile terminal display interface
Degree；Preset data is the mean value that display brightness is concentrated or maximum value or minimum value；
According to target display brightness, the display brightness of display interface is adjusted.
Wherein, the display interface of mobile terminal includes multiple pixels, and the input grayscale of each pixel is not quite similar, because
First display brightness is generated display brightness collection by this, then is concentrated from display brightness and obtained a preset data or mean value or maximum value
Or minimum value adjusts the display brightness of display interface according to target display brightness to obtain suitable target display brightness.
Preferably, during the light modulation brightness of mobile terminal is turned down, the first display brightness is not less than current display
Brightness；
During the light modulation brightness of mobile terminal is raised, the first display brightness is not higher than current display brightness.
Wherein, current display brightness is the display brightness before adjusting；When the dimming process of mobile terminal is from high to low, to adjust
When brightness is turned down, the output grayscale of image is gradually decreased, and pixel itself can be dimmed, in order to offset light modulation brightness quilt
Bring grayscale difference is turned down, the first display brightness is not less than current display brightness；It is bright by display corresponding on dimming curve
It spends to supplement the brightness of display interface.
When the dimming process of mobile terminal is from low to high, the output grayscale of image is gradually risen, pixel sheet
Body can brighten, and generate grayscale difference, be raised bring grayscale difference to offset light modulation brightness, the first display brightness is not less than
Current display brightness；The brightness of display interface is turned down by display brightness corresponding on dimming curve, is dimmed with this to realize
The smooth transition of ACL switching point in the process.
Optionally, after step 103, this method comprises:
When the light modulation brightness for detecting mobile terminal changes, the display brightness of display interface is updated.
Wherein, when light modulation brightness changes, dimming curve and display brightness are updated, to keep suitable display bright
Degree.
Preferably, step 102 includes:
When detecting that the input grayscale of the first pixel of display interface reaches preset grayscale threshold value, determine and first
Corresponding first dimming curve of the input grayscale of pixel.
Wherein, is started by ACL, reduces image when input grayscale reaches grayscale threshold value for the pixel of mobile terminal
Grayscale is exported, the current display brightness of mobile terminal is obtained, determines the first dimming curve corresponding with the first input grayscale；It is optional
Ground, grayscale threshold value are to input the half of the maximum value of grayscale.
In the above embodiment of the present invention, by determining dimming curve corresponding with the first input grayscale, to determine display
The final display brightness at interface, dimming curve complete the transformation between input grayscale and display brightness as an intermediate variable,
Keep display brightness related to input grayscale, and it is not only related to light modulation brightness；When the current dimming process of mobile terminal is by low
Output grayscale to height, image gradually increases, in order to offset the growth of output grayscale, by the display brightness on dimming curve
It is set below current display brightness；When the current dimming process of mobile terminal be from high to low, the output grayscale of image be by
It gradually reduces, dimming curve is set above current display brightness, to offset the change bring grayscale mutation of light modulation brightness；
The present invention reduces the losses of the grayscale of mobile terminal, reach good visual consistency and power saving effect.The present invention solves
Existing electronic equipment shows that grayscale has jump after opening ACL, in the switching point image that ACL is opened and closed, bright to user
The problem of spending the feeling of mutation.
Second embodiment
Referring to fig. 4, the second embodiment of the present invention provides a kind of mobile terminal 400, comprising:
Grayscale obtains module 401, for during detecting that mobile terminal 400 dims, current light modulation brightness to be passed through
When preset automatic current limitation ACL switching point, the first input of the first pixel of the display interface of mobile terminal 400 is obtained
Grayscale；Wherein, ACL switching point is the switching point that ACL is opened and closed.
Wherein, the brightness that the brightness control function of brightness, that is, mobile terminal 400 is conditioned is dimmed, it is generally the case that existing
There is the brightness control function of mobile terminal 400 to pass through light modulation luminance bar to adjust；Automatic current limitation ACL switching point is opened for ACL
The switching point for opening and closing obtains the display of mobile terminal 400 when dimming brightness by automatic current limitation ACL switching point
First input grayscale of first pixel at interface, the display interface of mobile terminal 400 includes multiple pixels, each pixel
There is respective input grayscale value.
Curve determining module 402, for according to it is preset input grayscale and dimming curve between corresponding relationship, really
Fixed the first dimming curve corresponding with the first input grayscale, dimming curve is the display interface for dimming brightness and mobile terminal 400
Display brightness between curved line relation.
Wherein, in corresponding relationship, different input grayscale corresponds to different dimming curves.Dimming curve is light modulation brightness
Curved line relation between the display brightness of the display interface of mobile terminal 400, i.e., under different input grayscale, display brightness
There are different curved line relations between light modulation brightness.After dimming curve determines, display brightness is determined according to light modulation brightness.Work as shifting
The current dimming process of dynamic terminal 400 is that from low to high, the output grayscale of image gradually increases, when mobile terminal 400 is worked as
Preceding dimming process is that from high to low, the output grayscale of image gradually decreases, and is brought to offset the change of light modulation brightness
Different degrees of grayscale changes, the adjustment display brightness different degrees of according to dimming curve, removes supplement ACL with discrete brightness
The bring ash scale of switching realizes the smooth transition of ACL switching point in dimming process.
Brightness adjusting section 403, for according to the first dimming curve, determine the first pixel, with current light modulation brightness
Corresponding first display brightness adjusts the display brightness of display interface according to the first display brightness.
Wherein, the first dimming curve is the corresponding dimming curve of input grayscale of the first pixel, under present intensity, first
Pixel corresponds to first display brightness, and mobile terminal 400 includes multiple pixels, comprehensively considers the of each pixel
One display brightness adjusts the display brightness of display interface.
Wherein, display brightness, that is, mobile terminal 400 shows the actual displayed brightness of screen.Ash will be inputted by corresponding relationship
Relationship between rank and dimming curve, dimming curve and display brightness is converted to corresponding between input grayscale and display brightness
Relationship completes the transformation between input grayscale and display brightness, keeps display brightness related to input grayscale, and not only bright with light modulation
Degree is related, to offset the jump in brightness in ACL switching point.
Optionally, in corresponding relationship,
During the light modulation brightness of mobile terminal 400 is turned down, on the corresponding dimming curve of higher input grayscale
Display brightness not less than the display brightness on the corresponding dimming curve of lower input grayscale；
During the light modulation brightness of mobile terminal 400 is raised, on the corresponding dimming curve of higher input grayscale
Display brightness not higher than the display brightness on the corresponding dimming curve of lower input grayscale.
Optionally, referring to Fig. 5, brightness adjusting section 403 includes:
First acquisition submodule 4031, it is raw for obtaining corresponding first display brightness of all pixels point of display interface
At display brightness collection；
Second acquisition submodule 4032 determines preset data for movement for obtaining the preset data of display brightness concentration
The target display brightness of 400 display interface of terminal；Preset data is the mean value that display brightness is concentrated or maximum value or minimum value；
The first adjustment submodule 4033, for adjusting the display brightness of display interface according to target display brightness.
Optionally, during the light modulation brightness of mobile terminal 400 is turned down, the first display brightness is aobvious not less than current
Show brightness；
During the light modulation brightness of mobile terminal 400 is raised, the first display brightness is not higher than current display brightness.
Optionally, referring to Fig. 5, mobile terminal 400 further include:
Brightness update module 404, for working as inspection after the display brightness that brightness adjusting section 403 adjusts display interface
When measuring the light modulation brightness of mobile terminal 400 and changing, the display brightness of display interface is updated.
Optionally, grayscale obtains module 401 and is used for:
When detecting that the input grayscale of the first pixel of display interface reaches preset grayscale threshold value, determine and first
Corresponding first dimming curve of the input grayscale of pixel.
In the above embodiment of the present invention, by determining dimming curve corresponding with the first input grayscale, to determine display
The final display brightness at interface, dimming curve complete the transformation between input grayscale and display brightness as an intermediate variable,
Keep display brightness related to input grayscale, and it is not only related to light modulation brightness；When the current dimming process of mobile terminal 400 be by
Low to high, the output grayscale of image gradually increases, in order to offset the growth of output grayscale, the display on dimming curve is bright
Degree is set below current display brightness；When the current dimming process of mobile terminal 400 is the output grayscale of image from high to low
It gradually decreases, dimming curve is set above current display brightness, to offset the change bring grayscale of light modulation brightness
Mutation；The present invention reduces the losses of the grayscale of mobile terminal 400, reach good visual consistency and power saving effect.This hair
It is bright to solve existing electronic equipment after opening ACL, show that grayscale has jump in the switching point image that ACL is opened and closed,
To user's jump in brightness feeling the problem of.
3rd embodiment
Fig. 6 is the block diagram of the mobile terminal of third embodiment of the invention.Mobile terminal 600 shown in fig. 6 includes: at least one
A processor 601, memory 602, at least one network interface 604 and other users interface 603.In mobile terminal 600
Various components are coupled by bus system 605.It is understood that bus system 605 is for realizing the company between these components
Connect letter.Bus system 605 further includes power bus, control bus and status signal bus in addition in addition to including data/address bus.But
It is that various buses are all designated as bus system 605 in Fig. 6 for the sake of clear explanation.
Wherein, user interface 603 may include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 602 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double DataRate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memory 602 of system and method described herein be intended to include but be not limited to these and
The memory of any other suitable type.
In some embodiments, memory 602 stores following element, executable modules or data structures, or
Their subset of person or their superset: operating system 6021 and application program 6022.
Wherein, operating system 6021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and the hardware based task of processing.Application program 6022 includes various application programs, such as media
Player (Media Player), browser (Browser) etc. realize the embodiment of the present invention for realizing various applied business
The program of method may be embodied in application program 6022.
In embodiments of the present invention, by the program or instruction of calling memory 602 to store, specifically, can be application
The program or instruction stored in program 6022, processor 601 are used for: current to adjust during detecting mobile terminal light modulation
When brightness is by preset automatic current limitation ACL switching point, the first pixel of the display interface of mobile terminal is obtained
First input grayscale；Wherein, ACL switching point is the switching point that ACL is opened and closed；According to preset input grayscale and adjust
Corresponding relationship between light curve determines that the first dimming curve corresponding with the first input grayscale, dimming curve are light modulation brightness
Curved line relation between the display brightness of the display interface of mobile terminal；According to the first dimming curve, the first pixel is determined
, corresponding with current light modulation brightness the first display brightness the display brightness of display interface adjusted according to the first display brightness.
The method that the embodiments of the present invention disclose can be applied in processor 601, or be realized by processor 601.
Processor 601 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 601 or the instruction of software form.Above-mentioned processing
Device 601 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity
Road (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor
And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only
In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at
The step of memory 602, processor 601 reads the information in memory 602, completes the above method in conjunction with its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application
Specific Integrated Circuit, ASIC), digital signal processor (Digital Signal Processor,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable
LogicDevice, PLD), field programmable gate array (Field Programmable Gate Array, FPGA), general place
It manages in device, controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.
For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein
The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or
It is realized outside processor.
Optionally, as another embodiment, processor 601 is also used to: being turned down when the light modulation brightness of mobile terminal
In the process, the display brightness on the corresponding dimming curve of higher input grayscale is not less than the corresponding light modulation of lower input grayscale
Display brightness on curve；
It is higher to input showing on the corresponding dimming curve of grayscale during the light modulation brightness of mobile terminal is raised
Show the display brightness on brightness dimming curve corresponding not higher than lower input grayscale.
Optionally, as another embodiment, processor 601 is also used to: all pixels point for obtaining display interface is corresponding
The first display brightness, generate display brightness collection；The preset data that display brightness is concentrated is obtained, determines that preset data is mobile whole
Hold the target display brightness of display interface；Preset data is the mean value that display brightness is concentrated or maximum value or minimum value；According to mesh
Display brightness is marked, the display brightness of display interface is adjusted.
Optionally, as another embodiment, processor 601 is also used to: being turned down when the light modulation brightness of mobile terminal
In the process, the first display brightness is not less than current display brightness；
During the light modulation brightness of mobile terminal is raised, the first display brightness is not higher than current display brightness.
Optionally, as another embodiment, processor 601 is also used to: when the first pixel for detecting display interface
Input grayscale when reaching preset grayscale threshold value, determine the first dimming curve corresponding with the input grayscale of the first pixel.
Mobile terminal 600 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
It repeats no more.
The mobile terminal 600 of the embodiment of the present invention, by processor 601 by determining tune corresponding with the first input grayscale
Light curve, to determine that the final display brightness of display interface, dimming curve are completed input grayscale and shown as an intermediate variable
Show the transformation between brightness, keeps display brightness related to input grayscale, and it is not only related to light modulation brightness；When mobile terminal is current
Dimming process be that from low to high, the output grayscale of image gradually increases, in order to offset output grayscale growth, will dim
Display brightness on curve is set below current display brightness；When the current dimming process of mobile terminal is figure from high to low
The output grayscale of picture gradually decreases, and dimming curve is set above current display brightness, to offset changing for light modulation brightness
Become the mutation of bring grayscale；The present invention reduces the losses of the grayscale of mobile terminal, reach good visual consistency and power saving
Effect.The present invention solves existing electronic equipment after opening ACL, shows grayscale in the switching point image that ACL is opened and closed
Have jump, to user's jump in brightness feeling the problem of.
Fourth embodiment
Fig. 7 is the structure chart for the mobile terminal that fourth embodiment of the invention provides.Specifically, the mobile terminal 700 in Fig. 7
It can be mobile phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle-mounted computer
Deng.
Mobile terminal 700 in Fig. 7 includes radio frequency (RadioFrequency, RF) circuit 710, memory 720, input list
First 730, display unit 740, processor 750, WiFi (Wireless Fidelity) module 760, voicefrequency circuit 770, power supply
780。
Wherein, input unit 730 can be used for receiving the number or character information of user's input, and generation and mobile terminal
The related signal input of 700 user setting and function control.
Specifically, in the embodiment of the present invention, which may include touch panel 731.Touch panel 731,
Referred to as touch screen, collecting the touch operation of user on it or nearby, (for example user is any suitable using finger, stylus etc.
The operation of object or attachment on touch panel 731), and corresponding attachment device is driven according to preset formula.It is optional
, touch panel 731 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detection is used
The touch orientation at family, and touch operation bring signal is detected, transmit a signal to touch controller；Touch controller is from touch
Touch information is received in detection device, and is converted into contact coordinate, then gives the processor 750, and can receive processor
750 orders sent simultaneously are executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Type realizes touch panel 731.In addition to touch panel 731, input unit 730 can also include other input equipments 732, other are defeated
Enter equipment 732 can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball,
One of mouse, operating stick etc. are a variety of.
Wherein, display unit 740 can be used for showing information input by user or be supplied to the information and movement of user
The various menu interfaces of terminal 700.Display unit 740 may include display panel 741, optionally, can use LCD or organic hair
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 741.
It should be noted that touch panel 731 can cover display panel 741, touch display screen is formed, when the touch display screen is examined
After measuring touch operation on it or nearby, processor 750 is sent to determine the type of touch event, is followed by subsequent processing device
750 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area
And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface elements such as the icon comprising at least one application program and/or widget desktop control.The Application Program Interface viewing area
Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example,
Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
In embodiments of the present invention, by call store the first memory 721 in software program and/or module and/
Or the data in the second memory 722, processor 750 are used for: current to dim during detecting mobile terminal light modulation
When brightness is by preset automatic current limitation ACL switching point, the of the first pixel of the display interface of mobile terminal is obtained
One input grayscale；Wherein, ACL switching point is the switching point that ACL is opened and closed；According to preset input grayscale and light modulation
Corresponding relationship between curve, determine with the first corresponding first dimming curve of input grayscale, dimming curve be light modulation brightness and
Curved line relation between the display brightness of the display interface of mobile terminal；According to the first dimming curve, determine the first pixel,
The first display brightness corresponding with current light modulation brightness adjusts the display brightness of display interface according to the first display brightness.
Optionally, as another embodiment, processor 750 is also used to: being turned down when the light modulation brightness of mobile terminal
In the process, the display brightness on the corresponding dimming curve of higher input grayscale is not less than the corresponding light modulation of lower input grayscale
Display brightness on curve；
It is higher to input showing on the corresponding dimming curve of grayscale during the light modulation brightness of mobile terminal is raised
Show the display brightness on brightness dimming curve corresponding not higher than lower input grayscale.
Optionally, as another embodiment, processor 750 is also used to: all pixels point for obtaining display interface is corresponding
The first display brightness, generate display brightness collection；The preset data that display brightness is concentrated is obtained, determines that preset data is mobile whole
Hold the target display brightness of display interface；Preset data is the mean value that display brightness is concentrated or maximum value or minimum value；According to mesh
Display brightness is marked, the display brightness of display interface is adjusted.
Optionally, as another embodiment, processor 750 is also used to: being turned down when the light modulation brightness of mobile terminal
In the process, the first display brightness is not less than current display brightness；
During the light modulation brightness of mobile terminal is raised, the first display brightness is not higher than current display brightness.
Optionally, as another embodiment, processor 750 is also used to: when the first pixel for detecting display interface
Input grayscale when reaching preset grayscale threshold value, determine the first dimming curve corresponding with the input grayscale of the first pixel.
Mobile terminal 700 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
It repeats no more.
The mobile terminal 700 of the embodiment of the present invention, by processor 750 by determining tune corresponding with the first input grayscale
Light curve, to determine that the final display brightness of display interface, dimming curve are completed input grayscale and shown as an intermediate variable
Show the transformation between brightness, keeps display brightness related to input grayscale, and it is not only related to light modulation brightness；When mobile terminal is current
Dimming process be that from low to high, the output grayscale of image gradually increases, in order to offset output grayscale growth, will dim
Display brightness on curve is set below current display brightness；When the current dimming process of mobile terminal is figure from high to low
The output grayscale of picture gradually decreases, and dimming curve is set above current display brightness, to offset changing for light modulation brightness
Become the mutation of bring grayscale；The present invention reduces the losses of the grayscale of mobile terminal, reach good visual consistency and power saving
Effect.The present invention solves existing electronic equipment after opening ACL, shows grayscale in the switching point image that ACL is opened and closed
Have jump, to user's jump in brightness feeling the problem of.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: various Jie that can store program code such as USB flash disk, mobile hard disk, ROM, RAM, magnetic disk, CD
Matter.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of display brightness method of adjustment characterized by comprising
It is current to dim brightness by preset automatic current limitation ACL switching point during detecting mobile terminal light modulation
When, obtain the first input grayscale of the first pixel of the display interface of the mobile terminal；Wherein, ACL switching point is opened for ACL
The switching point for opening and closing；The brightness that the light modulation brightness is conditioned by the brightness control function of mobile terminal；
It is determining corresponding with the first input grayscale according to the corresponding relationship between preset input grayscale and dimming curve
The first dimming curve, the dimming curve is to dim between the display brightness of the display interface of brightness and the mobile terminal
Curved line relation；
According to first dimming curve, determine first pixel, the first display corresponding with current light modulation brightness it is bright
Degree, according to first display brightness, adjusts the display brightness of the display interface；
In the corresponding relationship,
It is higher to input showing on the corresponding dimming curve of grayscale during the light modulation brightness of the mobile terminal is turned down
Show the display brightness on brightness dimming curve corresponding not less than lower input grayscale；
It is higher to input showing on the corresponding dimming curve of grayscale during the light modulation brightness of the mobile terminal is raised
Show the display brightness on brightness dimming curve corresponding not higher than lower input grayscale.
2. adjustment is described aobvious the method according to claim 1, wherein described according to first display brightness
The step of showing the display brightness at interface, comprising:
Corresponding first display brightness of all pixels point of the display interface is obtained, display brightness collection is generated；
The preset data that the display brightness is concentrated is obtained, determines that the preset data is the mesh of the mobile terminal display interface
Mark display brightness；The preset data is the mean value that the display brightness is concentrated or maximum value or minimum value；
According to the target display brightness, the display brightness of the display interface is adjusted.
3. according to the method described in claim 2, it is characterised by comprising:
During the light modulation brightness of the mobile terminal is turned down, first display brightness is bright not less than currently showing
Degree；
During the light modulation brightness of the mobile terminal is raised, first display brightness is bright not higher than currently showing
Degree.
4. the method according to claim 1, wherein the determination inputs grayscale corresponding first with described first
The step of dimming curve, comprising:
When detecting that the input grayscale of the first pixel of the display interface reaches preset grayscale threshold value, it is determining with it is described
Corresponding first dimming curve of the input grayscale of first pixel.
5. a kind of mobile terminal characterized by comprising
Grayscale obtains module, for during detecting mobile terminal light modulation, current light modulation brightness to be by preset automatic
When current limit ACL switching point, the first input grayscale of the first pixel of the display interface of the mobile terminal is obtained；Its
In, ACL switching point is the switching point that ACL is opened and closed；It is described to dim brightness as the brightness control function institute quilt of mobile terminal
The brightness of adjusting；
Curve determining module, for according to the corresponding relationship between preset input grayscale and dimming curve, determining and institute
Corresponding first dimming curve of the first input grayscale is stated, the dimming curve is display circle for dimming brightness and the mobile terminal
Curved line relation between the display brightness in face；
Brightness adjusting section, for according to first dimming curve, determine first pixel, with current light modulation brightness
Corresponding first display brightness adjusts the display brightness of the display interface according to first display brightness；
In the corresponding relationship,
It is higher to input showing on the corresponding dimming curve of grayscale during the light modulation brightness of the mobile terminal is turned down
Show the display brightness on brightness dimming curve corresponding not less than lower input grayscale；
It is higher to input showing on the corresponding dimming curve of grayscale during the light modulation brightness of the mobile terminal is raised
Show the display brightness on brightness dimming curve corresponding not higher than lower input grayscale.
6. mobile terminal according to claim 5, which is characterized in that the brightness adjusting section includes:
First acquisition submodule generates aobvious for obtaining corresponding first display brightness of all pixels point of the display interface
Show brightness collection；
Second acquisition submodule, the preset data concentrated for obtaining the display brightness, determines that the preset data is described
The target display brightness of mobile terminal display interface；The preset data be the display brightness concentrate mean value or maximum value or
Minimum value；
The first adjustment submodule, for adjusting the display brightness of the display interface according to the target display brightness.
7. mobile terminal according to claim 6 characterized by comprising
During the light modulation brightness of the mobile terminal is turned down, first display brightness is bright not less than currently showing
Degree；
During the light modulation brightness of the mobile terminal is raised, first display brightness is bright not higher than currently showing
Degree.
8. mobile terminal according to claim 5, which is characterized in that the grayscale obtains module, is used for:
When detecting that the input grayscale of the first pixel of the display interface reaches preset grayscale threshold value, it is determining with it is described
Corresponding first dimming curve of the input grayscale of first pixel.
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| CN107591128B (en) * | 2017-10-18 | 2020-06-30 | 维沃移动通信有限公司 | Screen brightness adjusting method and mobile terminal |
| CN108830190A (en) * | 2018-05-30 | 2018-11-16 | 昆山国显光电有限公司 | A kind of display equipment and its control method |
| CN113744691A (en) * | 2021-09-10 | 2021-12-03 | 昇显微电子(苏州)有限公司 | Organic Light Emitting Diode (OLED) panel Demura method and device |
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