CN106384577B - A kind of backlight adjusting method and mobile terminal of display screen - Google Patents
A kind of backlight adjusting method and mobile terminal of display screen Download PDFInfo
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- CN106384577B CN106384577B CN201611151912.4A CN201611151912A CN106384577B CN 106384577 B CN106384577 B CN 106384577B CN 201611151912 A CN201611151912 A CN 201611151912A CN 106384577 B CN106384577 B CN 106384577B
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- backlight
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- cabc mode
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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
- G09G3/3406—Control of illumination source
-
- 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
Abstract
The present invention provides the backlight adjusting method and mobile terminal of a kind of display screen, which comprises detects the backlight brightness data of the display screen；CABC mode is controlled based on the backlight brightness data and preset at least two dynamic backlight, determines target CABC mode；According to the target CABC mode, the backlight illumination of the display screen is adjusted；Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios.It is worked in such manner, it is possible to control the display screen according to the backlight illumination of the display screen with different CABC modes, avoids enabling the case where CABC function is easy to appear screen flash when the backlight brightness values of the display screen are lower.
Description
Technical field
The present invention relates to field of display technology more particularly to the backlight adjusting methods and mobile terminal of a kind of display screen.
Background technique
With the continuous development of electronic technology, the function of mobile terminal (such as mobile phone, tablet computer etc.) is also increasingly stronger
Greatly, at for people's lives, work and amusement necessity.Currently, the cruising ability of mobile terminal becomes user's concern
Hot spot, to the cruising ability of mobile terminal be affected be display screen power consumption.
In the prior art, usually using CABC (Content Adaptive Backlight Control, dynamic backlight control
System) function reduces the power consumption of display screen, and the CABC function can be reinforced aobvious while reducing the backlight power consumption of display screen
The contrast of display screen picture, in such manner, it is possible to reduce display screen power consumption while guaranteeing display effect.However, in display screen
The case where CABC function is easy to appear screen flash is enabled when backlight illumination is lower.
Summary of the invention
The embodiment of the present invention provides the backlight adjusting method and mobile terminal of a kind of display screen, to solve at present in display screen
Backlight illumination it is lower when enable CABC function the problem of being easy to appear screen flash.
In a first aspect, being applied to include display screen the embodiment of the invention provides a kind of backlight adjusting method of display screen
Mobile terminal, which comprises
Detect the backlight brightness data of the display screen；
CABC mode is controlled based on the backlight brightness data and preset at least two dynamic backlight, determines target CABC
Mode；
According to the target CABC mode, the backlight illumination of the display screen is adjusted；
Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios.
Second aspect, the embodiment of the present invention also provide a kind of mobile terminal, including display screen, and the mobile terminal also wraps
It includes:
Detection module, for detecting the backlight brightness data of the display screen；
Determining module, for controlling CABC mould based on the backlight brightness data and preset at least two dynamic backlight
Formula determines target CABC mode；
Module is adjusted, for adjusting the backlight illumination of the display screen according to the target CABC mode；
Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios.
In embodiments of the present invention, the backlight adjusting method of the display screen detects the backlight illumination number of the display screen
According to；CABC mode is controlled based on the backlight brightness data and preset at least two dynamic backlight, determines target CABC mode；
According to the target CABC mode, the backlight illumination of the display screen is adjusted；Wherein, different CABC modes corresponds to different back
Brightness adjusts ratio.In such manner, it is possible to control the display screen according to the backlight illumination of the display screen with different CABC moulds
Formula work avoids enabling the case where CABC function is easy to appear screen flash when the backlight brightness values of the display screen are lower.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow chart of the backlight adjusting method for display screen that first embodiment of the invention provides；
Fig. 2 is the flow chart of the backlight adjusting method for another display screen that second embodiment of the invention provides；
Fig. 3 is the flow chart of the backlight adjusting method for another display screen that third embodiment of the invention provides；
Fig. 4 is a kind of structural schematic diagram for mobile terminal that fourth embodiment of the invention provides；
Fig. 5 is the structural schematic diagram for another mobile terminal that fourth embodiment of the invention provides；
Fig. 6 is the structural schematic diagram for another mobile terminal that fourth embodiment of the invention provides；
Fig. 7 is the structural schematic diagram for another mobile terminal that fourth embodiment of the invention provides；
Fig. 8 is the structural schematic diagram for another mobile terminal that fourth embodiment of the invention provides；
Fig. 9 is the structural schematic diagram for another mobile terminal that fourth embodiment of the invention provides；
Figure 10 is the structural schematic diagram for another mobile terminal that fifth embodiment of the invention provides；
Figure 11 is the structural schematic diagram for another mobile terminal that sixth embodiment of the 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
It is the flow chart of the backlight adjusting method of display screen provided in an embodiment of the present invention referring to Fig. 1, Fig. 1, is applied to move
Dynamic terminal, the mobile terminal includes at least display screen, as shown in Figure 1, the described method comprises the following steps:
The backlight brightness data of step 101, the detection display screen.
In the embodiment of the present invention, the mobile terminal can directly detect the current backlight brightness data of the display screen,
The backlight brightness data of the display screen can also be determined by detecting the power saving grade that the mobile terminal is presently in.At this
It invents in some embodiments, the mobile terminal, which can also detect, to be exported in the superstructure of the backlight module of the display screen
Backlight brightness data, for example, the mobile terminal can detecte the backlight illumination of the driving chip end output of the backlight module
Control signal determines the backlight brightness data of the display screen.
The backlight brightness data of the display screen can be the backlight brightness values of the display screen, be also possible to the display
The backlight illumination grade of screen, the present embodiment do not limit this.
Step 102 is based on the backlight brightness data and preset at least two CABC mode, determines target CABC mould
Formula, wherein different CABC modes corresponds to different backlight illumination adjustment ratios.
In the embodiment of the present invention, preset at least two CABC mode is previously stored in the mobile terminal, wherein no
Same CABC mode corresponds to different backlight illumination adjustment ratios, backlight illumination number of the mobile terminal based on the display screen
It is target CABC mode according to a CABC mode in the determination preset at least two CABC mode.For backlight illumination compared with
Low situation, the mobile terminal determine that the backlight illumination adjustment lesser default CABC mode of ratio is target CABC mode；It is right
In the higher situation of backlight illumination, the mobile terminal determines that the default CABC mode of backlight illumination adjustment large percentage is target
CABC mode.In this way, the mobile terminal can be that the display screen determines correspondence according to the backlight brightness values of the display screen
CABC mode, can be enabled when the display backlight brightness value is lower backlight illumination adjustment the lower CABC mould of ratio
Formula, realization avoid the occurrence of screen flash problem while making full use of the electricity-saving function of CABC mode.
For example, one or more critical values can be previously stored in the mobile terminal, described one or more are critical
Value is for determining that (or the mobile terminal can directly be previously stored at least two at least two backlight brightness data ranges
Backlight brightness data range), it is right respectively that the mobile terminal is also previously stored at least two backlight brightness datas range
The default CABC mode answered.The mobile terminal can determine the display screen institute based on the backlight brightness data of the display screen
Then the backlight brightness data range at place determines default CABC corresponding with backlight brightness data range locating for the display screen
Mode is target CABC mode.
Step 103, according to the target CABC mode, adjust the backlight illumination of the display screen.
In the step, after determining the target CABC mode, the mobile terminal is according to the target CABC mode
Adjust the backlight illumination of the display screen.Specifically, described in the mobile terminal can be determined according to the target CABC mode
The corresponding target backlight luminance of target CABC mode adjusts ratio, then adjusts institute according to target backlight luminance adjustment ratio
State the backlight illumination of display screen.
In the embodiment of the present invention, above-mentioned mobile terminal can be the mobile terminal with display screen, such as: mobile phone, plate
Computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant
(personal digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID)
Or wearable device (Wearable Device) etc..
In this way, in the embodiment of the present invention, by the backlight brightness data for detecting the display screen；Based on the backlight illumination
Data and preset at least two dynamic backlight control CABC mode, determine target CABC mode；According to the target CABC mould
Formula adjusts the backlight illumination of the display screen；Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios.This
Sample can be controlled the display screen according to the backlight illumination of the display screen and be worked with different CABC modes, avoided described
The case where CABC function is easy to appear screen flash is enabled when the backlight brightness values of display screen are lower.
Second embodiment
Referring to fig. 2, Fig. 2 is the flow chart of the backlight adjusting method of display screen provided in an embodiment of the present invention, is applied to move
Dynamic terminal, the mobile terminal includes display screen, as shown in Figure 2, comprising the following steps:
The backlight brightness data of step 201, the detection display screen.
In the present embodiment, the step 201 is identical as the step 101 in first embodiment of the invention, and details are not described herein.
Step 202 judges whether the backlight brightness data of the display screen is less than or equal to the first preset threshold.
In this second embodiment, the first preset threshold is previously stored in the mobile terminal, the mobile terminal is sentenced
Whether the backlight brightness data of the display screen of breaking is less than or equal to first preset threshold, if the backlight of the display screen is bright
Degree then illustrates that the backlight illumination of the display screen is lower according to first preset threshold is less than or equal to, and executes step 203；
On the contrary, illustrating that the backlight of the display screen is bright if the backlight brightness values of the display screen are greater than first preset threshold
Spend higher, execution step 204.
Step 203 determines that the first default CABC mode in the preset at least two CABC mode is target CABC
Mode.
It is described when the backlight brightness data of the display screen is less than or equal to first preset threshold in the step
Method determines that the first default CABC mode is target CABC mode, and process enters step 207.In this way, working as the back of the display screen
When brightness is lower, the mobile terminal determines that the backlight illumination adjustment lower CABC mode of ratio is target CABC mode, energy
Enough CABC functions that further enables when the backlight illumination of the display screen is darker save electricity consumption, and avoid the occurrence of splashette feelings
Condition.
Whether step 204 judges the backlight brightness data less than the second preset threshold.
In the step, first preset threshold is less than second preset threshold, the first default CABC mode pair
The backlight illumination adjustment ratio answered is less than the corresponding backlight illumination adjustment ratio of the described second default CABC mode.If the backlight
Brightness data is less than second preset threshold, thens follow the steps 205；On the contrary, if the backlight brightness data is greater than or waits
In second preset threshold, 206 are thened follow the steps.
Step 205 determines that the second default CABC mode in the preset at least two CABC mode is the target
CABC mode.
In the embodiment, the first default CABC mode and the second default CABC mould are previously stored in the mobile terminal
Formula, wherein the backlight illumination adjustment ratio of the first default CABC mode is less than the backlight of the described second default CABC mode
Brightness adjustment ratio.In the embodiment, when the backlight brightness data of the display screen is less than or equal to first preset threshold
When, the method determines that the first default CABC mode is target CABC mode.When the backlight brightness data of the display screen is greater than
When first preset threshold, the method further judge the backlight brightness data whether less than the second preset threshold, if
The backlight brightness data is less than second preset threshold, and the method determines that the second default CABC mode is target CABC mould
Formula, process enter step 207.
In this embodiment, when the backlight illumination of the display screen is lower, the method determines that backlight illumination adjusts ratio
The lower CABC mode of example is target CABC mode；When the backlight illumination of the display screen is higher, the method determines back
It is target CABC mode that brightness, which adjusts the higher CABC mode of ratio,；In such manner, it is possible to the display screen backlight illumination compared with
CABC function is further enabled when dark and saves electricity consumption, and avoids the occurrence of splashette situation, it additionally can be in the display screen
Brightness it is brighter when enable backlight illumination adjust the higher CABC mode of ratio, so as to make full use of utilize CABC mode be
The mobile mobile terminal saves more electricity.
Step 206 determines that the third in the preset at least two CABC mode presets CABC mode as the target
CABC mode.
In the embodiment, the first default CABC mode, the second default CABC mode and third preset CABC mode pair
The backlight illumination adjustment ratio answered is incremented by successively.The first default CABC mode, second are previously stored in the mobile terminal in advance
If CABC mode and third preset CABC mode, wherein the first default CABC mode, the second default CABC mode and third
It is incremented by successively to preset the corresponding backlight illumination adjustment ratio of CABC mode.First preset threshold and the second preset threshold will
Backlight brightness data is divided into three sections, and three different sections respectively correspond the different default CABC mode of above three.
In the embodiment, when the backlight brightness data is greater than or equal to second preset threshold, the method determines the third
Default CABC mode is target CABC mode, and process enters step 207.
In this way, the method determines suitable target CABC mode according to the backlight illumination of the display screen, it can be in institute
State display screen backlight illumination it is darker when further enable CABC function and save electricity consumption, and avoid the occurrence of splashette situation, this
The backlight illumination adjustment higher CABC mode of ratio can also be enabled, when the brightness of the display screen is brighter outside so as to fill
Dividing using using CABC mode is that the mobile mobile terminal saves more electricity.
Step 207, according to the target CABC mode, adjust the backlight illumination of the display screen.
The step 207 is identical as the step 103 in first embodiment of the invention, and details are not described herein.
Backlight brightness data is divided into the area Liang Ge only by first preset threshold by the above embodiment of the present invention
Between, or by first preset threshold and the second preset threshold by backlight brightness data be divided into for three sections into
Explanation is gone, it should be noted that multiple and different preset thresholds can be stored in advance in the mobile terminal, by backlight illumination
Data are divided into multiple sections, and a preset threshold or two preset thresholds in being not limited to the above embodiments, the present invention
It does not limit this.
The backlight adjusting method for the display screen that second embodiment of the invention provides detects the backlight illumination number of the display screen
According to；Judge whether the backlight brightness data is less than or equal to the first preset threshold；If the backlight brightness data is less than or waits
In first preset threshold, it is determined that the first default CABC mode in the preset at least two CABC mode is described
Target CABC mode；According to the target CABC mode, the backlight illumination of the display screen is adjusted.In such manner, it is possible to according to described
The backlight illumination of display screen is controlled the display screen and is worked with different CABC modes, and the backlight illumination in the display screen is avoided
The case where CABC function is easy to appear screen flash is enabled when being worth lower.
3rd embodiment
It is the flow chart of the backlight adjusting method of display screen provided in an embodiment of the present invention referring to Fig. 3, Fig. 3, is applied to move
Dynamic terminal, as shown in Figure 3, comprising the following steps:
The backlight brightness data of step 301, the detection display screen.
The step 301 is identical as the step 101 in first embodiment of the invention, and details are not described herein.
Step 302 judges whether the backlight brightness data of the display screen is less than or equal to the first preset threshold.
In this second embodiment, the first preset threshold is previously stored in the mobile terminal, the mobile terminal is sentenced
Whether the backlight brightness data of the display screen of breaking is less than or equal to first preset threshold, if the backlight of the display screen is bright
Degree then illustrates that the backlight illumination of the display screen is lower according to first preset threshold is less than or equal to, and executes step 303；
On the contrary, illustrating that the backlight of the display screen is bright if the backlight brightness values of the display screen are greater than first preset threshold
Spend higher, execution step 304.The step 302 is identical as the step 202 in second embodiment of the invention, and details are not described herein.
Step 303 determines that the first default CABC mode in the preset at least two CABC mode is target CABC
Mode.
In the second embodiment, the first default CABC mode and second default is previously stored in the mobile terminal
CABC mode, wherein the backlight illumination adjustment ratio of the first default CABC mode is less than the described second default CABC mode
Backlight illumination adjust ratio.In the step, preset when the backlight brightness data of the display screen is less than or equal to described first
When threshold value, the mobile terminal determines that the first default CABC mode is target CABC mode.In this way, working as the backlight of the display screen
When brightness is lower, the mobile terminal determines that the backlight illumination adjustment lower CABC mode of ratio is target CABC mode, can
CABC function is further enabled when the backlight illumination of the display screen is darker and saves electricity consumption, and avoids the occurrence of splashette feelings
Condition.
Step 304 determines that the second default CABC mode in the preset at least two CABC mode is target CABC
Mode.
In the step, when the backlight brightness values of the display screen are greater than first preset threshold, the mobile terminal
Determine that the second default CABC mode in the preset at least two CABC mode is target CABC mode, process enters step
305.In this way, when the backlight illumination of the display screen is higher, when the power saving grade of the grade mobile terminal is lower, the movement
Terminal determine backlight illumination adjustment the higher CABC mode of ratio be target CABC mode, can the display screen backlight it is bright
It determines that backlight illumination adjusts ratio higher CABC mode when spending brighter, use is further saved while not influencing display effect
Electricity.
Step 305, according to the target CABC mode, adjust the backlight illumination of the display screen.
The step 305 is identical as the step 103 in first embodiment of the invention, and details are not described herein.
Optionally, described according to the target CABC mode, the step of adjusting the backlight illumination of the display screen, comprising:
According to the target CABC mode, the corresponding target backlight luminance adjustment ratio of the target CABC mode is determined；
Ratio is adjusted according to the target backlight luminance, adjusts the backlight illumination of the display screen.
In this embodiment, after determining the target CABC mode, the method is first according to the target CABC
Mode determines that target backlight luminance corresponding with the target CABC mode adjusts ratio, then bright according to the target backlight
Degree adjustment ratio adjusts the backlight illumination of the display screen.It is described described aobvious according to target backlight luminance adjustment ratio adjustment
The backlight illumination of display screen can be the backlight illumination of the display screen is reduced into the target backlight luminance adjustment ratio can also be with
It is to control adjustment ratio below the target backlight luminance adjustment ratio when adjusting the backlight illumination of the display screen.
For example, be previously stored in the mobile terminal the first default CABC mode, the second default CABC mode with
And third presets CABC mode, wherein different CABC modes corresponds to different backlight illumination adjustment ratios.For example, described first
The corresponding backlight illumination adjustment ratio of default CABC mode is 10%, the corresponding backlight illumination tune of the second default CABC mode
Whole ratio is 20%, and it is 30% that the third, which presets the corresponding backlight illumination adjustment ratio of CABC mode,.It is understood that not
Same CABC mode also corresponds to different display picture gray scale adjustment ratios, for example, the display picture of the first default CABC mode
Gray scale adjustment ratio be the 10%, second default CABC mode display picture gray scale adjustment ratio be 20%, third preset CABC
The display picture gray scale adjustment ratio of mode is 30%.Assuming that the method determines that the described first default CABC mode is target
When CABC mode, the method further determines that the corresponding backlight of the target CABC mode is bright according to the target CABC mode
Degree adjustment ratio 10% is target adjustment ratio, and the backlight for then adjusting the display screen according to the target adjustment ratio is bright
Degree, such as the display picture gray scale of the display screen is improved 10%, and the backlight brightness values of the display screen are reduced by 10%；
Or backlight illumination adjustment ratio and picture gray scale adjustment ratio are controlled below 10%.In this way, can protect
Electricity consumption is saved in the case that card display picture picture quality difference is little.In this way, the method can be according to the target CABC mould
The corresponding whole ratio of target backlight high light of formula adjusts the backlight illumination of the display screen, is making full use of CABC mode to realize
Electricity-saving function while avoid the occurrence of screen flash problem.
Optionally, the backlight brightness data includes backlight brightness values or backlight illumination grade.
In this embodiment, the backlight brightness data of the display screen is the backlight brightness values of the display screen or is institute
State the backlight illumination grade of display screen.It should be noted that when the backlight brightness data is backlight illumination grade, the back
Luminance data is integer, and range is 0~255, at this point, first preset threshold in second embodiment of the invention and the
Two preset thresholds are the integer value between the range 0~255.When the backlight brightness data is backlight brightness values, institute
The number for the backlight illumination size that backlight brightness data is the display screen is stated, unit is cd (candela).In the embodiment, institute
The method of stating being capable of directly determining according to the backlight illumination grade of the backlight brightness values of the display screen or the display screen and institute
Backlight brightness values or the corresponding target CABC mode of backlight illumination grade are stated, it can be in the electricity-saving function for making full use of CABC mode
While avoid the occurrence of screen flash problem.
The backlight adjusting method for the display screen that third embodiment of the invention provides detects the backlight illumination number of the display screen
According to；Judge whether the backlight brightness data of the display screen is less than or equal to the first preset threshold；If the backlight of the display screen
Brightness data is less than or equal to first preset threshold, it is determined that first in the preset at least two CABC mode is pre-
If CABC mode is target CABC mode；If the backlight brightness data of the display screen is greater than first preset threshold, really
The second default CABC mode in the fixed preset at least two CABC mode is target CABC mode, wherein described first
The backlight illumination that the whole ratio of backlight high light of default CABC mode is less than the described second default CABC mode adjusts ratio；According to institute
Target CABC mode is stated, the backlight illumination of the display screen is adjusted.In such manner, it is possible to be controlled according to the backlight illumination of the display screen
The display screen is worked with different CABC modes, avoids enabling CABC function when the backlight brightness values of the display screen are lower
The case where being easy to appear screen flash.
Fourth embodiment
Referring to fig. 4, Fig. 4 is one of the structure chart of mobile terminal provided in an embodiment of the present invention, and mobile terminal 400 is able to achieve
The details of the backlight adjusting method of display screen of the embodiment one into embodiment three, and reach identical effect.It is described mobile whole
End 400 includes sequentially connected detection module 401, determining module 402 and adjustment module 403.The mobile terminal 400 it is each
The function of a module is as follows:
Detection module 401, for detecting the backlight brightness data of the display screen；
Determining module 402, for controlling CABC based on the backlight brightness data and preset at least two dynamic backlight
Mode determines target CABC mode；
Module 403 is adjusted, for adjusting the backlight illumination of the display screen according to the target CABC mode；
Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios.
It optionally, is the structure chart of another mobile terminal provided in an embodiment of the present invention referring to Fig. 5, Fig. 5, such as Fig. 5 institute
Show, the determining module 402 includes:
First judging unit 4021, for judging whether the backlight brightness data is less than or equal to the first preset threshold；
First determination unit 4022, if being less than or equal to first preset threshold for the backlight brightness data,
Determine that the first default CABC mode in the preset at least two CABC mode is the target CABC mode.
It optionally, is the structure chart of another mobile terminal provided in an embodiment of the present invention referring to Fig. 6, Fig. 6, such as Fig. 6 institute
Show, the determining module 402 further include:
Second judgment unit 4023 judges institute if being greater than first preset threshold for the backlight brightness data
Backlight brightness data is stated whether less than the second preset threshold；
Second determination unit 4024, if being less than second preset threshold for the backlight brightness data, it is determined that institute
Stating the second default CABC mode in preset at least two CABC mode is the target CABC mode；
Wherein, first preset threshold is less than second preset threshold, and the first default CABC mode is corresponding
Backlight illumination, which adjusts ratio and is less than the corresponding backlight illumination of the described second default CABC mode, adjusts ratio.
It optionally, is the structure chart of another mobile terminal provided in an embodiment of the present invention referring to Fig. 7, Fig. 7, such as Fig. 7 institute
Show, the determining module 402 further include:
Third determination unit 4025, if being greater than or equal to second preset threshold for the backlight brightness data,
Determining that the third in the preset at least two CABC mode presets CABC mode is the target CABC mode；
Wherein, the described first default CABC mode, the second default CABC mode and third preset the corresponding back of CABC mode
It is incremented by successively that brightness adjusts ratio.
It optionally, is the structure chart of another mobile terminal provided in an embodiment of the present invention referring to Fig. 8, Fig. 8, such as Fig. 8 institute
Show, the determining module 402 further include:
4th determination unit 4026, if being greater than first preset threshold for the backlight brightness data, it is determined that institute
Stating the second default CABC mode in preset at least two CABC mode is the target CABC mode；
Wherein, the corresponding backlight illumination adjustment ratio of the described first default CABC mode is less than the described second default CABC mould
The corresponding backlight illumination of formula adjusts ratio.
It optionally, is the structure chart of another mobile terminal provided in an embodiment of the present invention referring to Fig. 9, Fig. 9, such as Fig. 9 institute
Show, the adjustment module 403 includes:
5th determination unit 4031, for determining that the target CABC mode is corresponding according to the target CABC mode
Target backlight luminance adjusts ratio；
Adjustment unit 4032, for adjusting ratio according to the target backlight luminance, the backlight for adjusting the display screen is bright
Degree.
Optionally, the backlight brightness data includes backlight brightness values or backlight illumination grade.
In this way, mobile terminal 400 detects the backlight brightness data of the display screen in the embodiment of the present invention；Based on described
Backlight brightness data and preset at least two dynamic backlight control CABC mode, determine target CABC mode；According to the mesh
CABC mode is marked, the backlight illumination of the display screen is adjusted；Wherein, different CABC modes corresponds to different backlight illumination adjustment
Ratio.It is worked, is avoided with different CABC modes in such manner, it is possible to control the display screen according to the backlight illumination of the display screen
The case where CABC function is easy to appear screen flash is enabled when the backlight brightness values of the display screen are lower.
5th embodiment
It is the structure chart that the present invention implements the mobile terminal 1000 provided referring to Figure 10, Figure 10, it is as shown in Figure 10, mobile whole
End 1000 includes: at least one processor 1001, memory 1002, at least one user interface 1003 and network interface 1004.
Various components in mobile terminal 1000 are coupled by bus system 1005.It is understood that bus system 1005 is for real
Connection communication between these existing components.Bus system 1005 further includes power bus, controls always in addition to including data/address bus
Line and status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus system 1005 in Figure 10.
Wherein, user interface 1003 may include display screen, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..In an embodiment of the present invention, the user interface 1003 includes at least aobvious
Display screen.
It is appreciated that the memory 1002 in the embodiment of the present invention can be volatile memory or non-volatile memories
Device, 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), erasable programmable are only
Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use
Make External Cache.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 Data
Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous
Connect dynamic random access memory (Synch link DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memory 1002 of system and method described herein is intended to include but is not limited to this
A little and any other suitable type memory.
In some embodiments, memory 1002 stores following element, executable modules or data structures, or
Their subset of person or their superset: operating system 10021 and application program 10022.
Wherein, operating system 10021 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 10022 includes various application programs, such as matchmaker
Body player (Media Player), browser (Browser) etc., for realizing various applied business.Realize that the present invention is implemented
The program of example method may be embodied in application program 10022.
In embodiments of the present invention, by the program or instruction of calling memory 1002 to store, specifically, can be application
The program or instruction stored in program 10022, processor 1001 are used for: detecting the backlight brightness data of the display screen；It is based on
The backlight brightness data and preset at least two dynamic backlight control CABC mode, determine target CABC mode；According to institute
Target CABC mode is stated, the backlight illumination of the display screen is adjusted；Wherein, different CABC modes corresponds to different backlight illuminations
Adjustment ratio.
The method that the embodiments of the present invention disclose can be applied in processor 1001, or real by processor 1001
It is existing.Processor 1001 may be a kind of IC chip, the processing capacity with signal.During realization, the above method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1001 or software form.Above-mentioned
Processor 1001 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated
Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made 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 1002, processor 1001 reads the information in memory 1002, 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 Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In 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, the processor 1001 is also used to: it is pre- to judge whether the backlight brightness data is less than or equal to first
If threshold value；If the backlight brightness data is less than or equal to first preset threshold, it is determined that described preset at least two
The first default CABC mode in CABC mode is the target CABC mode.
Optionally, the processor 1001 is also used to: if the backlight brightness data is greater than first preset threshold,
Determine that the second default CABC mode in the preset at least two CABC mode is the target CABC mode；Wherein, institute
Stating the corresponding backlight illumination adjustment ratio of the first default CABC mode, to be less than the corresponding backlight of the described second default CABC mode bright
Spend adjustment ratio.
Optionally, the processor 1001 is also used to: if the backlight brightness data is greater than first preset threshold,
Judge the backlight brightness data whether less than the second preset threshold；If the backlight brightness data is less than the described second default threshold
Value, it is determined that the second default CABC mode in the preset at least two CABC mode is the target CABC mode；Its
In, first preset threshold is less than second preset threshold, the corresponding backlight illumination tune of the first default CABC mode
Whole ratio is less than the corresponding backlight illumination of the described second default CABC mode and adjusts ratio.
Optionally, the processor 1001 is also used to: being preset if the backlight brightness data is greater than or equal to described second
Threshold value, it is determined that it is the target CABC mode that the third in the preset at least two CABC mode, which presets CABC mode,；
Wherein, the described first default CABC mode, the second default CABC mode and third preset the corresponding backlight illumination tune of CABC mode
Whole ratio is incremented by successively.
Optionally, the processor 1001 is also used to: if the backlight brightness data is greater than first preset threshold,
Determine that the second default CABC mode in the preset at least two CABC mode is the target CABC mode；Wherein, institute
Stating the corresponding backlight illumination adjustment ratio of the first default CABC mode, to be less than the corresponding backlight of the described second default CABC mode bright
Spend adjustment ratio.
Optionally, the processor 1001 is also used to: according to the target CABC mode, determining the target CABC mode
Corresponding target backlight luminance adjusts ratio；Ratio is adjusted according to the target backlight luminance, adjusts the backlight of the display screen
Brightness.
Optionally, the backlight brightness data includes backlight brightness values or backlight illumination grade.
Mobile terminal 1000 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, this
In repeat no more.
The backlight brightness data of the display screen is detected in mobile terminal 1000 in the embodiment of the present invention；Based on the backlight
Brightness data and preset at least two dynamic backlight control CABC mode, determine target CABC mode；According to the target
CABC mode adjusts the backlight illumination of the display screen；Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios
Example.It is worked, is avoided with different CABC modes in such manner, it is possible to control the display screen according to the backlight illumination of the display screen
The case where CABC function is easy to appear screen flash is enabled when the backlight brightness values of the display screen are lower.
Sixth embodiment
Figure 11 is please referred to, Figure 11 is the structure chart that the present invention implements the mobile terminal provided, as shown in figure 11, mobile terminal
1100 include radio frequency (Radio Frequency, RF) circuit 1110, memory 1120, input unit 1130, display unit
1140, processor 1150, voicefrequency circuit 1160, communication module 1170 and power supply 1180.
Wherein, input unit 1130 can be used for receiving the number or character information of user's input, and generate with movement eventually
The related signal input of the user setting and function control at end 1100.Specifically, in the embodiment of the present invention, the input unit
1130 may include touch panel 1131.Touch panel 1131, also referred to as touch screen collect the touching of user on it or nearby
It touches operation (for example user uses the operations of any suitable object or attachment on touch panel 1131 such as finger, stylus), and
Corresponding attachment device is driven according to preset formula.Optionally, touch panel 1131 may include touch detecting apparatus and
Two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation bring letter
Number, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into
Contact coordinate, then give the processor 1150, and order that processor 1150 is sent can be received and executed.Furthermore, it is possible to
Touch panel 1131 is realized using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1131, input unit 1130 can also include other input equipments 1132, other input equipments 1132 can include but is not limited to
One of physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. are more
Kind.
Wherein, display unit 1140 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 1100.Display unit 1140 may include display panel 1141, optionally, using LCD or can have
The forms such as machine light emitting diode (Organic Light-Emitting Diode, OLED) configure display panel 1141.
It should be noted that touch panel 1131 can cover display panel 1141, touch display screen is formed, when the touch display screen
After detecting touch operation on it or nearby, processor 1150 is sent to determine the type of touch event, is followed by subsequent processing
Device 1150 provides 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.The touch screen of the embodiment of the present invention is soft
Property screen, organic transparent conductive film of carbon nanotube is posted in two faces of flexible screen.
Wherein processor 1150 is the control centre of mobile terminal 1100, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or execute the software program and/or module that are stored in first memory 1121, and call and deposit
The data in second memory 1122 are stored up, the various functions and processing data of mobile terminal 1100 are executed, thus eventually to movement
End 1100 carries out integral monitoring.Optionally, the processor 1150 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 1121 in software program and/or module and/
Or the data in the second memory 1122, the processor 1150 are used for: detecting the backlight brightness data of the display screen；Base
CABC mode is controlled in the backlight brightness data and preset at least two dynamic backlight, determines target CABC mode；According to
The target CABC mode, adjusts the backlight illumination of the display screen；Wherein, it is bright to correspond to different backlights for different CABC modes
Spend adjustment ratio.
Optionally, the processor 1150 is also used to: it is pre- to judge whether the backlight brightness data is less than or equal to first
If threshold value；If the backlight brightness data is less than or equal to first preset threshold, it is determined that described preset at least two
The first default CABC mode in CABC mode is the target CABC mode.
Optionally, the processor 1150 is also used to: if the backlight brightness data is greater than first preset threshold,
Determine that the second default CABC mode in the preset at least two CABC mode is the target CABC mode；Wherein, institute
Stating the corresponding backlight illumination adjustment ratio of the first default CABC mode, to be less than the corresponding backlight of the described second default CABC mode bright
Spend adjustment ratio.
Optionally, the processor 1150 is also used to: if the backlight brightness data is greater than first preset threshold,
Judge the backlight brightness data whether less than the second preset threshold；If the backlight brightness data is less than the described second default threshold
Value, it is determined that the second default CABC mode in the preset at least two CABC mode is the target CABC mode；Its
In, first preset threshold is less than second preset threshold, the corresponding backlight illumination tune of the first default CABC mode
Whole ratio is less than the corresponding backlight illumination of the described second default CABC mode and adjusts ratio.
Optionally, the processor 1150 is also used to: being preset if the backlight brightness data is greater than or equal to described second
Threshold value, it is determined that it is the target CABC mode that the third in the preset at least two CABC mode, which presets CABC mode,；
Wherein, the described first default CABC mode, the second default CABC mode and third preset the corresponding backlight illumination tune of CABC mode
Whole ratio is incremented by successively.
Optionally, the processor 1150 is also used to: if the backlight brightness data is greater than first preset threshold,
Determine that the second default CABC mode in the preset at least two CABC mode is the target CABC mode；Wherein, institute
Stating the corresponding backlight illumination adjustment ratio of the first default CABC mode, to be less than the corresponding backlight of the described second default CABC mode bright
Spend adjustment ratio.
Optionally, the processor 1150 is also used to: according to the target CABC mode, determining the target CABC mode
Corresponding target backlight luminance adjusts ratio；Ratio is adjusted according to the target backlight luminance, adjusts the backlight of the display screen
Brightness.
Optionally, the backlight brightness data includes backlight brightness values or backlight illumination grade.
Mobile terminal 1100 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, this
In repeat no more.
The mobile terminal 1100 of the embodiment of the present invention, detects the backlight brightness data of the display screen；Based on the backlight
Brightness data and preset at least two dynamic backlight control CABC mode, determine target CABC mode；According to the target
CABC mode adjusts the backlight illumination of the display screen；Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios
Example.It is worked, is avoided with different CABC modes in such manner, it is possible to control the display screen according to the backlight illumination of the display screen
The case where CABC function is easy to appear screen flash is enabled when the backlight brightness values of the display screen are lower.
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 mobile terminal 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 mobile terminal and method can pass through it
Its mode is realized.For example, mobile terminal embodiment described above is only schematical, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some interfaces, mobile terminal or unit it is indirect
Coupling or communication connection 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.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
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: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code
Medium.
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 (14)
1. a kind of backlight adjusting method of display screen, applied to the mobile terminal including display screen, which is characterized in that the method
Include:
Detect the backlight brightness data of the display screen；
CABC mode is controlled based on the backlight brightness data and preset at least two dynamic backlight, determines target CABC mould
Formula；
According to the target CABC mode, the backlight illumination of the display screen is adjusted；
Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios, the corresponding mesh of lower backlight brightness data
The backlight illumination adjustment ratio for marking CABC mode is smaller, and the backlight of the corresponding target CABC mode of higher backlight brightness data is bright
Degree adjustment large percentage.
2. the method according to claim 1, wherein it is described based on the backlight brightness data and it is preset at least
The step of two dynamic backlights control CABC mode, determine target CABC mode, comprising:
Judge whether the backlight brightness data is less than or equal to the first preset threshold；
If the backlight brightness data is less than or equal to first preset threshold, it is determined that preset at least two CABC
The first default CABC mode in mode is the target CABC mode.
3. according to the method described in claim 2, it is characterized in that, described judge whether the backlight brightness data is less than or waits
After in the first preset threshold the step of, the method also includes:
If the backlight brightness data is greater than first preset threshold, judge the backlight brightness data whether less than second
Preset threshold；
If the backlight brightness data is less than second preset threshold, it is determined that in the preset at least two CABC mode
The second default CABC mode be the target CABC mode；
Wherein, first preset threshold is less than second preset threshold, the corresponding backlight of the first default CABC mode
Brightness adjustment ratio is less than the corresponding backlight illumination of the described second default CABC mode and adjusts ratio.
4. according to the method described in claim 3, it is characterized in that, whether described judge the backlight brightness data less than second
After the step of preset threshold, the method also includes:
If the backlight brightness data is greater than or equal to second preset threshold, it is determined that preset at least two CABC
It is the target CABC mode that third in mode, which presets CABC mode,；
Wherein, it is bright to preset the corresponding backlight of CABC mode for the described first default CABC mode, the second default CABC mode and third
It is incremented by successively to spend adjustment ratio.
5. according to the method described in claim 2, it is characterized in that, described judge whether the backlight brightness data is less than or waits
After in the first preset threshold the step of, the method also includes:
If the backlight brightness data is greater than first preset threshold, it is determined that in the preset at least two CABC mode
The second default CABC mode be the target CABC mode；
Wherein, the corresponding backlight illumination adjustment ratio of the described first default CABC mode is less than the described second default CABC mode pair
The backlight illumination adjustment ratio answered.
6. adjustment is described aobvious the method according to claim 1, wherein described according to the target CABC mode
The step of backlight illumination of display screen, comprising:
According to the target CABC mode, the corresponding target backlight luminance adjustment ratio of the target CABC mode is determined；
Ratio is adjusted according to the target backlight luminance, adjusts the backlight illumination of the display screen.
7. the method according to claim 1, wherein the backlight brightness data includes backlight brightness values or backlight
Brightness degree.
8. a kind of mobile terminal, including display screen, which is characterized in that the mobile terminal further include:
Detection module, for detecting the backlight brightness data of the display screen；
Determining module, for controlling CABC mode based on the backlight brightness data and preset at least two dynamic backlight, really
Set the goal CABC mode；
Module is adjusted, for adjusting the backlight illumination of the display screen according to the target CABC mode；
Wherein, different CABC modes corresponds to different backlight illumination adjustment ratios, the corresponding mesh of lower backlight brightness data
The backlight illumination adjustment ratio for marking CABC mode is smaller, and the backlight of the corresponding target CABC mode of higher backlight brightness data is bright
Degree adjustment large percentage.
9. mobile terminal according to claim 8, which is characterized in that the determining module includes:
First judging unit, for judging whether the backlight brightness data is less than or equal to the first preset threshold；
First determination unit, if being less than or equal to first preset threshold for the backlight brightness data, it is determined that described
The first default CABC mode in preset at least two CABC mode is the target CABC mode.
10. mobile terminal according to claim 9, which is characterized in that the determining module further include:
Second judgment unit judges that the backlight is bright if being greater than first preset threshold for the backlight brightness data
Whether degree is according to less than the second preset threshold；
Second determination unit, if being less than second preset threshold for the backlight brightness data, it is determined that described preset
The second default CABC mode at least two CABC modes is the target CABC mode；
Wherein, first preset threshold is less than second preset threshold, the corresponding backlight of the first default CABC mode
Brightness adjustment ratio is less than the corresponding backlight illumination of the described second default CABC mode and adjusts ratio.
11. mobile terminal according to claim 10, which is characterized in that the determining module further include:
Third determination unit, if being greater than or equal to second preset threshold for the backlight brightness data, it is determined that described
It is the target CABC mode that third in preset at least two CABC mode, which presets CABC mode,；
Wherein, it is bright to preset the corresponding backlight of CABC mode for the described first default CABC mode, the second default CABC mode and third
It is incremented by successively to spend adjustment ratio.
12. mobile terminal according to claim 9, which is characterized in that the determining module further include:
4th determination unit, if being greater than first preset threshold for the backlight brightness data, it is determined that described preset
The second default CABC mode at least two CABC modes is the target CABC mode；
Wherein, the corresponding backlight illumination adjustment ratio of the described first default CABC mode is less than the described second default CABC mode pair
The backlight illumination adjustment ratio answered.
13. mobile terminal according to claim 8, which is characterized in that the adjustment module includes:
5th determination unit, for determining the corresponding target backlight of the target CABC mode according to the target CABC mode
Brightness adjustment ratio；
Adjustment unit adjusts the backlight illumination of the display screen for adjusting ratio according to the target backlight luminance.
14. mobile terminal according to claim 8, which is characterized in that the backlight brightness data includes backlight brightness values
Or backlight illumination grade.
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| CN106933329B (en) * | 2017-03-10 | 2019-10-01 | Oppo广东移动通信有限公司 | A kind of method, device and mobile terminal of mobile terminal adaptive energy-saving grade |
| CN108780627B (en) * | 2017-06-26 | 2020-11-27 | 华为技术有限公司 | Backlight power control method of liquid crystal display screen and liquid crystal display screen |
| CN110390911B (en) * | 2018-04-19 | 2022-03-25 | 中兴通讯股份有限公司 | Display screen backlight brightness control method of electronic equipment and electronic equipment |
| CN109166541B (en) * | 2018-09-25 | 2021-03-02 | 深圳市爱协生科技有限公司 | Power-saving CABC method without image distortion |
| CN111292690B (en) * | 2018-12-07 | 2021-06-29 | 北京小米移动软件有限公司 | Screen backlight brightness adjusting method and device |
| CN110503924A (en) * | 2019-07-31 | 2019-11-26 | 华勤通讯技术有限公司 | Content-adaptive method for controlling backlight thereof and electronic equipment |
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