CN106384577A - Backlight adjustment method of display screen, and mobile terminal - Google Patents
Backlight adjustment method of display screen, and mobile terminal Download PDFInfo
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- CN106384577A CN106384577A CN201611151912.4A CN201611151912A CN106384577A CN 106384577 A CN106384577 A CN 106384577A CN 201611151912 A CN201611151912 A CN 201611151912A CN 106384577 A CN106384577 A CN 106384577A
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- cabc
- pattern
- backlight
- default
- display screen
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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 invention provides a backlight adjustment method of a display screen, and a mobile terminal. The method comprises the following steps of detecting backlight luminance data of the display screen; determining a target CABC (Content Adaptive Backlight Control) mode based on the backlight luminance data and at least two preset CABC modes; adjusting backlight luminance of the display screen according to the target CABC mode, wherein different CABC modes correspond to different backlight luminance adjustment proportions. Therefore, the display screen can be controlled to work in different CABC modes according to the backlight luminance of the display screen, and the phenomenon that when the CABC function is started by the display screen with a lower backlight luminance value, a flash screen can easily occur is avoided.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of backlight adjusting method of display screen and mobile terminal.
Background technology
With the continuous development of electronic technology, the function of mobile terminal (such as mobile phone, panel computer etc.) is also more and more stronger
Greatly, become the necessity of people's life, work and amusement.At present, the endurance of mobile terminal becomes user's concern
Focus, larger on the endurance impact of mobile terminal is the power consumption of display screen.
In prior art, CABC (Content Adaptive Backlight Control, dynamic backlight control are usually used
System) function reduces the power consumption of display screen, and described CABC function can be strengthened 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 ensureing display effect.However, in display screen
The situation that screen flash easily in CABC function is enabled when backlight illumination is relatively low.
Content of the invention
The embodiment of the present invention provides a kind of backlight adjusting method of display screen and mobile terminal, to solve at present in display screen
Backlight illumination relatively low when enable the problem that screen flash easily in CABC function.
In a first aspect, embodiments providing a kind of backlight adjusting method of display screen, it is applied to including display screen
Mobile terminal, methods described includes：
Detect the backlight brightness data of described display screen；
Control CABC pattern based on described backlight brightness data and default at least two dynamic backlights, determine target CABC
Pattern；
According to described target CABC pattern, adjust the backlight illumination of described display screen；
Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.
Second aspect, the embodiment of the present invention also provides a kind of mobile terminal, and including display screen, described mobile terminal also wraps
Include：
Detection module, for detecting the backlight brightness data of described display screen；
Determining module, for controlling CABC mould based on described backlight brightness data and default at least two dynamic backlights
Formula, determines target CABC pattern；
Adjusting module, for according to described target CABC pattern, adjusting the backlight illumination of described display screen；
Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.
In embodiments of the present invention, the backlight adjusting method of described display screen detects the backlight illumination number of described display screen
According to；Control CABC pattern based on described backlight brightness data and default at least two dynamic backlights, determine target CABC pattern；
According to described target CABC pattern, adjust the backlight illumination of described display screen；Wherein, the different back of the body of different CABC pattern correspondences
Brightness adjusts ratio.In such manner, it is possible to described display screen is controlled with different CABC moulds according to the backlight illumination of described display screen
Formula works, it is to avoid enable the situation that screen flash easily in CABC function when the backlight brightness values of described display screen are relatively low.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required in embodiment of the present invention description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of the backlight adjusting method of display screen that first embodiment of the invention provides；
Fig. 2 is the flow chart of the backlight adjusting method of another kind of display screen that second embodiment of the invention provides；
Fig. 3 is the flow chart of the backlight adjusting method of another kind of display screen that third embodiment of the invention provides；
Fig. 4 is a kind of structural representation of mobile terminal that fourth embodiment of the invention provides；
Fig. 5 is the structural representation of another kind of mobile terminal that fourth embodiment of the invention provides；
Fig. 6 is the structural representation of another kind of mobile terminal that fourth embodiment of the invention provides；
Fig. 7 is the structural representation of another kind of mobile terminal that fourth embodiment of the invention provides；
Fig. 8 is the structural representation of another kind of mobile terminal that fourth embodiment of the invention provides；
Fig. 9 is the structural representation of another kind of mobile terminal that fourth embodiment of the invention provides；
Figure 10 is the structural representation of another kind of mobile terminal that fifth embodiment of the invention provides；
Figure 11 is the structural representation of another kind of mobile terminal that sixth embodiment of the invention provides.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment a part of embodiment that is the present invention, rather than whole embodiments.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of protection of the invention.
First embodiment
Referring to Fig. 1, Fig. 1 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, described mobile terminal at least includes display screen, as shown in figure 1, the method comprising the steps of：
Step 101, the backlight brightness data of the described display screen of detection.
In the embodiment of the present invention, described mobile terminal can with the current backlight brightness data of display screen described in direct detection,
The backlight brightness data of described display screen can also be determined by the power saving grade that the described mobile terminal of detection is presently in.At this
Invent in some embodiments, described mobile terminal can also detect output in the superstructure of the backlight module of described display screen
Backlight brightness data, for example, described mobile terminal can detect the backlight illumination of the driving chip end output of described backlight module
Control signal determines the backlight brightness data of described display screen.
The backlight brightness data of described display screen can be the backlight brightness values of described display screen or described display
The backlight illumination grade of screen, the present embodiment does not limit to this.
Step 102, be based on described backlight brightness data and default at least two CABC patterns, determine target CABC mould
Formula, wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.
In the embodiment of the present invention, it is previously stored with default at least two CABC patterns in described mobile terminal, wherein, no
The different backlight illumination adjustment ratio of same CABC pattern correspondence, the backlight illumination number based on described display screen for the described mobile terminal
It is target CABC pattern according to one of the described default at least two CABC patterns of determination CABC pattern.For backlight illumination relatively
Low situation, described mobile terminal determines that the backlight illumination adjustment less default CABC pattern of ratio is target CABC pattern；Right
In the higher situation of backlight illumination, described mobile terminal determines that the default CABC pattern that backlight illumination adjusts large percentage is target
CABC pattern.So, described mobile terminal can be that described display screen determines correspondence according to the backlight brightness values of described display screen
CABC pattern, backlight illumination can be enabled when described display backlight brightness value is relatively low and adjust the relatively low CABC mould of ratio
Formula, realizes avoiding the occurrence of screen flash problem while making full use of the electricity-saving function of CABC pattern.
For example, one or more critical values can be previously stored with described mobile terminal, described one or more are critical
It is worth for determining that (or described mobile terminal can directly be previously stored with least two at least two backlight brightness data scopes
Backlight brightness data scope), it is right respectively that described mobile terminal is also previously stored with described at least two backlight brightness data scopes
The default CABC pattern answered.Described mobile terminal can determine described display screen institute based on the backlight brightness data of described display screen
The backlight brightness data scope at place, it is then determined that default CABC corresponding with the backlight brightness data scope residing for described display screen
Pattern is target CABC pattern.
Step 103, according to described target CABC pattern, adjust the backlight illumination of described display screen.
In this step, after determining described target CABC pattern, described mobile terminal is according to described target CABC pattern
Adjust the backlight illumination of described display screen.Specifically, described mobile terminal can be according to described target CABC pattern determines
The corresponding target backlight luminance of target CABC pattern adjusts ratio, then according to described target backlight luminance adjustment ratio adjustment institute
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, for example：Mobile phone, flat board
Computer (Tablet Personal Computer), kneetop 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..
So, in the embodiment of the present invention, by detecting the backlight brightness data of described display screen；Based on described backlight illumination
Data and default at least two dynamic backlights control CABC pattern, determine target CABC pattern；According to described target CABC mould
Formula, adjusts the backlight illumination of described display screen；Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.This
Sample, can control described display screen to work with different CABC patterns according to the backlight illumination of described display screen, it is to avoid described
The situation that screen flash easily in CABC function is enabled when the backlight brightness values of display screen are relatively low.
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, described mobile terminal includes display screen, as shown in Fig. 2 comprising the following steps：
Step 201, the backlight brightness data of the described display screen of detection.
In the present embodiment, this step 201 is identical with the step 101 in first embodiment of the invention, will not be described here.
Step 202, judge that whether the backlight brightness data of described display screen is less than or equal to the first predetermined threshold value.
In this second embodiment, it is previously stored with the first predetermined threshold value in described mobile terminal, described mobile terminal is sentenced
Whether the backlight brightness data of disconnected described display screen is less than or equal to described first predetermined threshold value, if the backlight of described display screen is bright
Degrees of data is less than or equal to described first predetermined threshold value, then illustrate that the backlight illumination of described display screen is relatively low, execution step 203；
If on the contrary, the backlight brightness values of described display screen are more than described first predetermined threshold value, illustrating that the backlight of described display screen is bright
Spend higher, execution step 204.
Step 203, the first default CABC pattern determining in described default at least two CABC patterns are target CABC
Pattern.
In this step, when the backlight brightness data of described display screen is less than or equal to described first predetermined threshold value, described
Method determines that the first default CABC pattern is target CABC pattern, and flow process enters step 207.So, when the back of the body of described display screen
When brightness is relatively low, it is target CABC pattern that described mobile terminal determines that backlight illumination adjusts the relatively low CABC pattern of ratio, energy
Enough CABC functions that enables further when the backlight illumination of described display screen is dark save power consumption, and avoid the occurrence of splashette feelings
Condition.
Step 204, judge that whether described backlight brightness data is less than the second predetermined threshold value.
In this step, described first predetermined threshold value is less than described second predetermined threshold value, the described first default CABC pattern pair
The backlight illumination adjustment ratio answered is less than the described second default CABC pattern corresponding backlight illumination adjustment ratio.If described backlight
Brightness data is less than described second predetermined threshold value, then execution step 205；If on the contrary, described backlight brightness data is more than or waits
In described second predetermined threshold value, then execution step 206.
Step 205, the second default CABC pattern determining in described default at least two CABC patterns are described target
CABC pattern.
In this embodiment, in described mobile terminal, it is previously stored with the first default CABC pattern and the second default CABC mould
Formula, wherein, the backlight illumination of the described first default CABC pattern adjusts the backlight that ratio is less than the described second default CABC pattern
Brightness adjustment ratio.In this embodiment, when the backlight brightness data of described display screen is less than or equal to described first predetermined threshold value
When, methods described determines that the first default CABC pattern is target CABC pattern.When the backlight brightness data of described display screen is more than
During described first predetermined threshold value, methods described determines whether whether described backlight brightness data is less than the second predetermined threshold value, if
Described backlight brightness data is less than described second predetermined threshold value, and methods described determines that the second default CABC pattern is target CABC mould
Formula, flow process enters step 207.
In this embodiment, when the backlight illumination of described display screen is relatively low, methods described determines backlight illumination adjustment ratio
The relatively low CABC pattern of example is target CABC pattern；When the backlight illumination of described display screen is higher, methods described determines the back of the body
It is target CABC pattern that brightness adjusts the higher CABC pattern of ratio；In such manner, it is possible to described display screen backlight illumination relatively
Enable CABC function when dark further and save power consumption, and avoid the occurrence of splashette situation, additionally can be in described display screen
Brightness brighter when enable backlight illumination and adjust the higher CABC pattern of ratio such that it is able to making full use of and using CABC pattern being
Described mobile mobile terminal saves more electricity.
Step 206, the 3rd default CABC pattern determining in described default at least two CABC patterns are described target
CABC pattern.
In this embodiment, the described first default CABC pattern, the second default CABC pattern and the 3rd default CABC pattern pair
The backlight illumination adjustment ratio incremented by successively answered.It is previously stored with the first default CABC pattern, second pre- in described mobile terminal
If CABC pattern and the 3rd default CABC pattern, wherein, the described first default CABC pattern, the second default CABC pattern and the 3rd
The corresponding backlight illumination of default CABC pattern adjusts ratio incremented by successively.Described first predetermined threshold value and the second predetermined threshold value will
Backlight brightness data is divided into three intervals, and three different intervals correspond to the different default CABC pattern of above three respectively.
In this embodiment, when described backlight brightness data is more than or equal to described second predetermined threshold value, methods described determines the described 3rd
Default CABC pattern is target CABC pattern, and flow process enters step 207.
So, methods described determines suitable target CABC pattern according to the backlight illumination of described display screen, can be in institute
State display screen backlight illumination dark when enable CABC function further and save power consumption, and avoid the occurrence of splashette situation, this
Backlight illumination can also be enabled outward when the brightness of described display screen is brighter and adjust the higher CABC pattern of ratio such that it is able to fill
Divide and save more electricity using using CABC pattern for described mobile mobile terminal.
Step 207, according to described target CABC pattern, adjust the backlight illumination of described display screen.
This step 207 is identical with the step 103 in first embodiment of the invention, will not be described here.
Backlight brightness data is divided into Liang Ge area only by described first predetermined threshold value by the above embodiment of the present invention
Between, or enter as a example backlight brightness data is divided into by three intervals by described first predetermined threshold value and the second predetermined threshold value
Go explanation, it should be noted that multiple different predetermined threshold value can be prestored in described mobile terminal, by backlight illumination
Data is divided into multiple intervals, and is not limited to one of above-described embodiment predetermined threshold value or two predetermined threshold value, the present invention
This is not limited.
The backlight adjusting method of the display screen that second embodiment of the invention provides detects the backlight illumination number of described display screen
According to；Judge whether described backlight brightness data is less than or equal to the first predetermined threshold value；If described backlight brightness data is less than or waits
In described first predetermined threshold value it is determined that the in described default at least two CABC patterns first default CABC pattern is described
Target CABC pattern；According to described target CABC pattern, adjust the backlight illumination of described display screen.In such manner, it is possible to according to described
The backlight illumination of display screen controls described display screen to work with different CABC patterns, it is to avoid in the backlight illumination of described display screen
The situation that screen flash easily in CABC function is enabled when being worth relatively low.
3rd embodiment
Referring to Fig. 3, Fig. 3 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, as shown in figure 3, comprise the following steps：
Step 301, the backlight brightness data of the described display screen of detection.
This step 301 is identical with the step 101 in first embodiment of the invention, will not be described here.
Step 302, judge that whether the backlight brightness data of described display screen is less than or equal to the first predetermined threshold value.
In this second embodiment, it is previously stored with the first predetermined threshold value in described mobile terminal, described mobile terminal is sentenced
Whether the backlight brightness data of disconnected described display screen is less than or equal to described first predetermined threshold value, if the backlight of described display screen is bright
Degrees of data is less than or equal to described first predetermined threshold value, then illustrate that the backlight illumination of described display screen is relatively low, execution step 303；
If on the contrary, the backlight brightness values of described display screen are more than described first predetermined threshold value, illustrating that the backlight of described display screen is bright
Spend higher, execution step 304.This step 302 is identical with the step 202 in second embodiment of the invention, will not be described here.
Step 303, the first default CABC pattern determining in described default at least two CABC patterns are target CABC
Pattern.
In this second embodiment, it is previously stored with the first default CABC pattern and second in described mobile terminal and presets
CABC pattern, wherein, the backlight illumination adjustment ratio of the described first default CABC pattern is less than the described second default CABC pattern
Backlight illumination adjustment ratio.In this step, preset when the backlight brightness data of described display screen is less than or equal to described first
During threshold value, described mobile terminal determines that the first default CABC pattern is target CABC pattern.So, when the backlight of described display screen
When brightness is relatively low, it is target CABC pattern that described mobile terminal determines that backlight illumination adjusts the relatively low CABC pattern of ratio, can
Enable CABC function when the backlight illumination of described display screen is dark further and save power consumption, and avoid the occurrence of splashette feelings
Condition.
Step 304, the second default CABC pattern determining in described default at least two CABC patterns are target CABC
Pattern.
In this step, when the backlight brightness values of described display screen are more than described first predetermined threshold value, described mobile terminal
Determine that the in described default at least two CABC patterns second default CABC pattern is target CABC pattern, flow process enters step
305.So, when the backlight illumination of described display screen is higher, when the power saving grade of the described mobile terminal of level is relatively low, described movement
It is target CABC pattern that terminal determines that backlight illumination adjusts the higher CABC pattern of ratio, can be bright in the backlight of described display screen
Degree determines when brighter that backlight illumination adjusts the higher CABC pattern of ratio, saves use while not affecting display effect further
Electricity.
Step 305, according to described target CABC pattern, adjust the backlight illumination of described display screen.
This step 305 is identical with the step 103 in first embodiment of the invention, will not be described here.
Alternatively, the described step according to described target CABC pattern, adjusting the backlight illumination of described display screen, including：
According to described target CABC pattern, determine described target CABC pattern corresponding target backlight luminance adjustment ratio；
Adjust ratio according to described target backlight luminance, adjust the backlight illumination of described display screen.
In this embodiment, after determining described target CABC pattern, methods described is first according to described target CABC
Pattern, determines that target backlight luminance corresponding with described target CABC pattern adjusts ratio, then according to described target backlight is bright
Degree adjustment ratio adjusts the backlight illumination of described display screen.Described described aobvious according to the adjustment ratio adjustment of described target backlight luminance
The backlight illumination of display screen can be can also by the backlight illumination reduction described target backlight luminance adjustment ratio of described display screen
It is to control adjustment ratio below described target backlight luminance adjustment ratio when adjusting the backlight illumination of described display screen.
For example, be previously stored with described mobile terminal the first default CABC pattern, the second default CABC pattern with
And the 3rd default CABC pattern, wherein, different CABC pattern corresponding difference backlight illuminations adjustment ratios.For example, described first
Default CABC pattern corresponding backlight illumination adjustment ratio is 10%, and the described second default corresponding backlight illumination of CABC pattern is adjusted
Whole ratio is 20%, and the described 3rd default CABC pattern corresponding backlight illumination adjustment ratio is 30%.It is understood that not
Same CABC pattern also corresponds to different display picture gray scales adjustment ratios, for example, the display picture of the first default CABC pattern
Gray scale adjustment ratio is 10%, the display picture gray scale adjustment ratio of the second default CABC pattern is the 20%, the 3rd default CABC
The display picture gray scale adjustment ratio of pattern is 30%.Assume that methods described determines that the described first default CABC pattern is target
During CABC pattern, according to described target CABC pattern, methods described determines that the corresponding backlight of described target CABC pattern is bright further
Degree adjustment ratio 10% is target adjustment ratio, then according to the backlight that described target adjustment ratio adjusts described display screen is bright
Degree, for example, improve 10% by the display picture gray scale of described display screen, and the backlight brightness values of described display screen reduced by 10%；
Or backlight illumination is adjusted ratio and picture gray scale adjustment ratio all controls below 10%.Consequently, it is possible to can protect
Power consumption is saved in the case that card display picture picture quality difference is little.So, methods described can be according to described target CABC mould
The whole ratio of formula corresponding target backlight high light adjusts the backlight illumination of described display screen, thus realizing making full use of CABC pattern
Electricity-saving function while avoid the occurrence of screen flash problem.
Alternatively, described backlight brightness data includes backlight brightness values or backlight illumination grade.
In this embodiment, the backlight brightness data of described display screen is backlight brightness values of described display screen or for institute
State the backlight illumination grade of display screen.It should be noted that when described backlight brightness data is backlight illumination grade, the described back of the body
Luminance data is integer, and scope is 0～255, now, described first predetermined threshold value in second embodiment of the invention and the
Two predetermined threshold value are the integer value between described scope 0～255.When described backlight brightness data is backlight brightness values, institute
State the numeral of the backlight illumination size that backlight brightness data is described display screen, unit is cd (candela).In this embodiment, institute
The method of stating can directly the backlight brightness values according to described display screen or described display screen backlight illumination grade determine and institute
State backlight brightness values or backlight illumination grade corresponding target CABC pattern, can be in the electricity-saving function making full use of CABC pattern
While avoid the occurrence of screen flash problem.
The backlight adjusting method of the display screen that third embodiment of the invention provides detects the backlight illumination number of described display screen
According to；Judge whether the backlight brightness data of described display screen is less than or equal to the first predetermined threshold value；If the backlight of described display screen
Brightness data is less than or equal to described first predetermined threshold value it is determined that in described default at least two CABC patterns first is pre-
If CABC pattern is target CABC pattern；If the backlight brightness data of described display screen is more than described first predetermined threshold value, really
In fixed described default at least two CABC patterns second default CABC pattern is target CABC pattern, wherein, described first
The whole ratio of backlight high light of default CABC pattern is less than the backlight illumination adjustment ratio of the described second default CABC pattern；According to institute
State target CABC pattern, adjust the backlight illumination of described display screen.In such manner, it is possible to be controlled according to the backlight illumination of described display screen
Described display screen is worked with different CABC patterns, it is to avoid enable CABC function when the backlight brightness values of described display screen are relatively low
The situation of screen flash easily occurs.
Fourth embodiment
Referring to Fig. 4, Fig. 4 is one of structure chart of mobile terminal provided in an embodiment of the present invention, and mobile terminal 400 enables
The details of the backlight adjusting method of the display screen to embodiment three for the embodiment one, and reach identical effect.Described mobile whole
End 400 includes detection module 401, determining module 402 and the adjusting module 403 being sequentially connected.Described mobile terminal 400 each
The function of individual module is as follows：
Detection module 401, for detecting the backlight brightness data of described display screen；
Determining module 402, for controlling CABC based on described backlight brightness data and default at least two dynamic backlights
Pattern, determines target CABC pattern；
Adjusting module 403, for according to described target CABC pattern, adjusting the backlight illumination of described display screen；
Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.
Alternatively, referring to Fig. 5, Fig. 5 is the structure chart of another kind mobile terminal provided in an embodiment of the present invention, as Fig. 5 institute
Show, described determining module 402 includes：
First judging unit 4021, for judging whether described backlight brightness data is less than or equal to the first predetermined threshold value；
First determining unit 4022, if being less than or equal to described first predetermined threshold value for described backlight brightness data,
Determine that the in described default at least two CABC patterns first default CABC pattern is described target CABC pattern.
Alternatively, referring to Fig. 6, Fig. 6 is the structure chart of another kind mobile terminal provided in an embodiment of the present invention, as Fig. 6 institute
Show, described determining module 402 also includes：
Second judging unit 4023, if being more than described first predetermined threshold value for described backlight brightness data, judges institute
State whether backlight brightness data is less than the second predetermined threshold value；
Second determining unit 4024, if be less than described second predetermined threshold value it is determined that institute for described backlight brightness data
In default at least two CABC patterns second default CABC pattern of stating is described target CABC pattern；
Wherein, described first predetermined threshold value is less than described second predetermined threshold value, and the described first default CABC pattern is corresponding
Backlight illumination adjustment ratio is less than the described second default CABC pattern corresponding backlight illumination adjustment ratio.
Alternatively, referring to Fig. 7, Fig. 7 is the structure chart of another kind mobile terminal provided in an embodiment of the present invention, as Fig. 7 institute
Show, described determining module 402 also includes：
3rd determining unit 4025, if being more than or equal to described second predetermined threshold value for described backlight brightness data,
Determine that the in described default at least two CABC patterns the 3rd default CABC pattern is described target CABC pattern；
Wherein, the described first default CABC pattern, the second default CABC pattern and the 3rd default corresponding back of the body of CABC pattern
Brightness adjusts ratio incremented by successively.
Alternatively, referring to Fig. 8, Fig. 8 is the structure chart of another kind mobile terminal provided in an embodiment of the present invention, as Fig. 8 institute
Show, described determining module 402 also includes：
4th determining unit 4026, if be more than described first predetermined threshold value it is determined that institute for described backlight brightness data
In default at least two CABC patterns second default CABC pattern of stating is described target CABC pattern；
Wherein, the described first default CABC pattern corresponding backlight illumination adjustment ratio is less than the described second default CABC mould
The corresponding backlight illumination of formula adjusts ratio.
Alternatively, referring to Fig. 9, Fig. 9 is the structure chart of another kind mobile terminal provided in an embodiment of the present invention, as Fig. 9 institute
Show, described adjusting module 403 includes：
5th determining unit 4031, for according to described target CABC pattern, determining that described target CABC pattern is corresponding
Target backlight luminance adjusts ratio；
Adjustment unit 4032, for adjusting ratio according to described target backlight luminance, the backlight adjusting described display screen is bright
Degree.
Alternatively, described backlight brightness data includes backlight brightness values or backlight illumination grade.
So, in the embodiment of the present invention, mobile terminal 400 detects the backlight brightness data of described display screen；Based on described
Backlight brightness data and default at least two dynamic backlights control CABC pattern, determine target CABC pattern；According to described mesh
Mark CABC pattern, adjusts the backlight illumination of described display screen；Wherein, the different backlight illumination adjustment of different CABC pattern correspondences
Ratio.In such manner, it is possible to control described display screen to work with different CABC patterns according to the backlight illumination of described display screen, it is to avoid
Enable the situation that screen flash easily in CABC function when the backlight brightness values of described display screen are relatively low.
5th embodiment
Referring to Figure 10, Figure 10 is the structure chart of the mobile terminal 1 000 that the present invention implements to provide, 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.
Each assembly in mobile terminal 1 000 is coupled by bus system 1005.It is understood that bus system 1005 is used in fact
Connection communication between these assemblies existing.Bus system 1005, in addition to including data/address bus, also includes power bus, always controls
Line and status signal bus in addition.But for the sake of clear explanation, in Fig. 10 various buses are all designated as bus system 1005.
Wherein, user interface 1003 can 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, described user interface 1003 at least includes showing
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 volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memory (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), its use
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, 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), enhancement mode 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 be intended to including but not limited to this
A little memories with any other suitable type.
In some embodiments, memory 1002 stores following element, executable module or data structure, or
Their subset of person, or their superset：Operating system 10021 and application program 10022.
Wherein, operating system 10021, comprise various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and process hardware based task.Application program 10022, comprises various application programs, such as matchmaker
Body player (Media Player), browser (Browser) etc., are used for realizing various applied business.Realize the present invention to implement
The program of example method may be embodied in application program 10022.
In embodiments of the present invention, can be by calling program or the instruction of memory 1002 storage, specifically, application
The program of storage or instruction in program 10022, processor 1001 is used for：Detect the backlight brightness data of described display screen；It is based on
Described backlight brightness data and default at least two dynamic backlights control CABC pattern, determine target CABC pattern；According to institute
State target CABC pattern, adjust the backlight illumination of described display screen；Wherein, the different backlight illumination of different CABC pattern correspondences
Adjustment ratio.
The method that the embodiments of the present invention disclose can apply in processor 1001, or real by processor 1001
Existing.Processor 1001 is probably a kind of IC chip, has the disposal ability of signal.During realizing, said 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), special
Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or execute disclosed each method in the embodiment of the present invention, step and logic diagram.General
Processor can be microprocessor or this processor can also be any conventional processor etc..In conjunction with embodiment of the present invention institute
The step of disclosed method can be embodied directly in hardware decoding processor execution and complete, or with the hardware in decoding processor
And software module combination execution completes.Software module may be located at random access memory, and flash memory, read-only storage are programmable read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.This storage medium is located at
Memory 1002, processor 1001 reads the information in memory 1002, the step completing said method in conjunction with its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine and to realize.Hardware is realized, processing unit can be implemented in one or more special IC (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,
Controller, microcontroller, microprocessor, for executing in other electronic units or a combination thereof of herein described function.
Software is realized, can be realized herein by executing the module (such as process, function etc.) of function described herein
Described technology.Software code is storable in memory and passes through computing device.Memory can within a processor or
Realize outside processor.
Optionally, described processor 1001 is additionally operable to：Judge whether described backlight brightness data is pre- less than or equal to first
If threshold value；If described backlight brightness data is less than or equal to described first predetermined threshold value it is determined that described default at least two
In CABC pattern first default CABC pattern is described target CABC pattern.
Optionally, described processor 1001 is additionally operable to：If described backlight brightness data is more than described first predetermined threshold value,
Determine that the in described default at least two CABC patterns second default CABC pattern is described target CABC pattern；Wherein, institute
It is bright that first default CABC pattern corresponding backlight illumination adjustment ratio of stating is less than the described second default corresponding backlight of CABC pattern
Degree adjustment ratio.
Optionally, described processor 1001 is additionally operable to：If described backlight brightness data is more than described first predetermined threshold value,
Judge whether described backlight brightness data is less than the second predetermined threshold value；If described backlight brightness data is less than the described second default threshold
Value is it is determined that the in described default at least two CABC patterns second default CABC pattern is described target CABC pattern；Its
In, described first predetermined threshold value is less than described second predetermined threshold value, and the described first default corresponding backlight illumination of CABC pattern is adjusted
Whole ratio is less than the described second default CABC pattern corresponding backlight illumination adjustment ratio.
Optionally, described processor 1001 is additionally operable to：If described backlight brightness data is more than or equal to described second presetting
Threshold value is it is determined that the in described default at least two CABC patterns the 3rd default CABC pattern is described target CABC pattern；
Wherein, the described first default CABC pattern, the second default CABC pattern and the 3rd default corresponding backlight illumination of CABC pattern are adjusted
Whole ratio incremented by successively.
Optionally, described processor 1001 is additionally operable to：If described backlight brightness data is more than described first predetermined threshold value,
Determine that the in described default at least two CABC patterns second default CABC pattern is described target CABC pattern；Wherein, institute
It is bright that first default CABC pattern corresponding backlight illumination adjustment ratio of stating is less than the described second default corresponding backlight of CABC pattern
Degree adjustment ratio.
Optionally, described processor 1001 is additionally operable to：According to described target CABC pattern, determine described target CABC pattern
Corresponding target backlight luminance adjusts ratio；Adjust ratio according to described target backlight luminance, adjust the backlight of described display screen
Brightness.
Alternatively, described backlight brightness data includes backlight brightness values or backlight illumination grade.
Mobile terminal 1 000 is capable of each process that in previous embodiment, mobile terminal is realized, for avoiding repeating, this
In repeat no more.
Mobile terminal 1 000 in the embodiment of the present invention, detects the backlight brightness data of described display screen；Based on described backlight
Brightness data and default at least two dynamic backlights control CABC pattern, determine target CABC pattern；According to described target
CABC pattern, adjusts the backlight illumination of described display screen；Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences
Example.In such manner, it is possible to control described display screen to work with different CABC patterns according to the backlight illumination of described display screen, it is to avoid
The backlight brightness values of described display screen enable the situation that screen flash easily in CABC function when relatively low.
Sixth embodiment
Refer to Figure 11, Figure 11 is the structure chart of the mobile terminal that the present invention implements to provide, as shown in figure 11, mobile terminal
1100 include radio frequency (Radio Frequency, RF) circuit 1110, memory 1120, input block 1130, display unit
1140th, processor 1150, voicefrequency circuit 1160, communication module 1170 and power supply 1180.
Wherein, input block 1130 can be used for numeral or the character information of receiving user's input, and produces whole with mobile
The user setup at end 1100 and the relevant signal input of function control.Specifically, in the embodiment of the present invention, this input block
1130 can include contact panel 1131.Contact panel 1131, also referred to as touch-screen, can collect user thereon or neighbouring touch
Touch operation (such as user uses the operation on contact panel 1131 of any suitable object such as finger, stylus or annex), and
Corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 1131 may include touch detecting apparatus and
Two parts of touch controller.Wherein, touch detecting apparatus detect the touch orientation of user, and detect the letter that touch operation brings
Number, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into
Contact coordinate, then give this processor 1150, and can the order sent of receiving processor 1150 being executed.Furthermore, it is possible to
Contact panel 1131 is realized using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1131, input block 1130 can also include other input equipments 1132, and 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, action bars etc. or many
Kind.
Wherein, display unit 1140 can be used for showing by the information of user input or the information and the movement that are supplied to user
The various menu interfaces of terminal 1100.Display unit 1140 may include display floater 1141, optionally, using LCD or can have
The forms such as machine light emitting diode (Organic Light-Emitting Diode, OLED) are configuring display floater 1141.
It should be noted that contact panel 1131 can cover display floater 1141, form touch display screen, when this touch display screen
Detect thereon or after neighbouring touch operation, send processor 1150 to determine the type of touch event, with post 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 conventional control viewing area.This Application Program Interface viewing area
And the arrangement mode of this conventional control viewing area does not limit, can for being arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.This Application Program Interface viewing area is displayed for the interface of application program.Each interface is permissible
Comprise the interface elements such as icon and/or the widget desktop control of at least one application program.This Application Program Interface viewing area
It can also be the empty interface not comprising any content.This conventional control viewing area is used for showing the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..The touch-screen of the embodiment of the present invention is soft
Property screen, organic nesa coating of CNT is all posted in two faces of flexible screen.
Wherein processor 1150 is the control centre of mobile terminal 1 100, using various interfaces and connection whole mobile phone
Various pieces, be stored in software program and/or module in first memory 1121 by running or executing, and call and deposit
Data in second memory 1122 for the storage, the various functions of execution mobile terminal 1 100 and processing data, thus to mobile whole
End 1100 carries out integral monitoring.Optionally, described processor 1150 may include one or more processing units.
In embodiments of the present invention, by call store this first memory 1121 in software program and/or module and/
Or the data in this second memory 1122, described processor 1150 is used for：Detect the backlight brightness data of described display screen；Base
Control CABC pattern in described backlight brightness data and default at least two dynamic backlights, determine target CABC pattern；According to
Described target CABC pattern, adjusts the backlight illumination of described display screen；Wherein, the different backlight of different CABC pattern correspondences is bright
Degree adjustment ratio.
Optionally, described processor 1150 is additionally operable to：Judge whether described backlight brightness data is pre- less than or equal to first
If threshold value；If described backlight brightness data is less than or equal to described first predetermined threshold value it is determined that described default at least two
In CABC pattern first default CABC pattern is described target CABC pattern.
Optionally, described processor 1150 is additionally operable to：If described backlight brightness data is more than described first predetermined threshold value,
Determine that the in described default at least two CABC patterns second default CABC pattern is described target CABC pattern；Wherein, institute
It is bright that first default CABC pattern corresponding backlight illumination adjustment ratio of stating is less than the described second default corresponding backlight of CABC pattern
Degree adjustment ratio.
Optionally, described processor 1150 is additionally operable to：If described backlight brightness data is more than described first predetermined threshold value,
Judge whether described backlight brightness data is less than the second predetermined threshold value；If described backlight brightness data is less than the described second default threshold
Value is it is determined that the in described default at least two CABC patterns second default CABC pattern is described target CABC pattern；Its
In, described first predetermined threshold value is less than described second predetermined threshold value, and the described first default corresponding backlight illumination of CABC pattern is adjusted
Whole ratio is less than the described second default CABC pattern corresponding backlight illumination adjustment ratio.
Optionally, described processor 1150 is additionally operable to：If described backlight brightness data is more than or equal to described second presetting
Threshold value is it is determined that the in described default at least two CABC patterns the 3rd default CABC pattern is described target CABC pattern；
Wherein, the described first default CABC pattern, the second default CABC pattern and the 3rd default corresponding backlight illumination of CABC pattern are adjusted
Whole ratio incremented by successively.
Optionally, described processor 1150 is additionally operable to：If described backlight brightness data is more than described first predetermined threshold value,
Determine that the in described default at least two CABC patterns second default CABC pattern is described target CABC pattern；Wherein, institute
It is bright that first default CABC pattern corresponding backlight illumination adjustment ratio of stating is less than the described second default corresponding backlight of CABC pattern
Degree adjustment ratio.
Optionally, described processor 1150 is additionally operable to：According to described target CABC pattern, determine described target CABC pattern
Corresponding target backlight luminance adjusts ratio；Adjust ratio according to described target backlight luminance, adjust the backlight of described display screen
Brightness.
Alternatively, described backlight brightness data includes backlight brightness values or backlight illumination grade.
Mobile terminal 1 100 is capable of each process that in previous embodiment, mobile terminal is realized, for avoiding repeating, this
In repeat no more.
The mobile terminal 1 100 of the embodiment of the present invention, detects the backlight brightness data of described display screen；Based on described backlight
Brightness data and default at least two dynamic backlights control CABC pattern, determine target CABC pattern；According to described target
CABC pattern, adjusts the backlight illumination of described display screen；Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences
Example.In such manner, it is possible to control described display screen to work with different CABC patterns according to the backlight illumination of described display screen, it is to avoid
The backlight brightness values of described display screen enable the situation that screen flash easily in CABC function when relatively low.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example of the embodiments described herein description
Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually
To be executed with hardware or software mode, the application-specific depending on technical scheme and design constraint.Professional and technical personnel
Each specific application can be used different methods to realize described function, but this realization is it is not considered that exceed
The scope of the present invention.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
Mobile terminal and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
It should be understood that disclosed mobile terminal and method in embodiment provided herein, can be passed through it
Its mode is realized.For example, mobile terminal embodiment described above is only schematically, for example, the drawing of described unit
Point, only a kind of division of logic function, actual can have other dividing mode when realizing, and for example multiple units or assembly can
To combine or to be desirably integrated into another system, or some features can be ignored, or does not execute.Another, shown or beg for
By coupling each other or direct-coupling or communication connection can be by some interfaces, mobile terminal or unit indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The described unit illustrating as separating component can be or may not be physically separate, show as unit
The part showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize embodiment of the present invention scheme
Purpose.
In addition, can be integrated in a processing unit in each functional unit in each embodiment of the present invention it is also possible to
It is that unit is individually physically present it is also possible to two or more units are integrated in a unit.
If described function realized using in the form of SFU software functional unit and as independent production marketing or use when, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
Partly being embodied in the form of software product of part that prior art is contributed or this technical scheme, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) execution each embodiment methods described of the present invention all or part of step.
And aforesaid storage medium includes：USB flash disk, portable hard drive, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (14)
1. a kind of backlight adjusting method of display screen, is applied to mobile terminal including display screen it is characterised in that methods described
Including：
Detect the backlight brightness data of described display screen；
Control CABC pattern based on described backlight brightness data and default at least two dynamic backlights, determine target CABC mould
Formula；
According to described target CABC pattern, adjust the backlight illumination of described display screen；
Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.
2. method according to claim 1 it is characterised in that described based on described backlight brightness data and default at least
Two dynamic backlights control CABC patterns, the step determining target CABC pattern, including：
Judge whether described backlight brightness data is less than or equal to the first predetermined threshold value；
If described backlight brightness data is less than or equal to described first predetermined threshold value it is determined that described default at least two CABC
In pattern first default CABC pattern is described target CABC pattern.
3. method according to claim 2 is it is characterised in that described judge whether described backlight brightness data is less than or waits
After the step of the first predetermined threshold value, methods described also includes：
If described backlight brightness data is more than described first predetermined threshold value, judge whether described backlight brightness data is less than second
Predetermined threshold value；
If described backlight brightness data is less than described second predetermined threshold value it is determined that in described default at least two CABC patterns
The second default CABC pattern be described target CABC pattern；
Wherein, described first predetermined threshold value is less than described second predetermined threshold value, the described first default corresponding backlight of CABC pattern
Brightness adjustment ratio is less than the described second default CABC pattern corresponding backlight illumination adjustment ratio.
4. method according to claim 3 is it is characterised in that described judge whether described backlight brightness data is less than second
After the step of predetermined threshold value, methods described also includes：
If described backlight brightness data is more than or equal to described second predetermined threshold value it is determined that described default at least two CABC
In pattern the 3rd default CABC pattern is described target CABC pattern；
Wherein, the described first default CABC pattern, the second default CABC pattern and the 3rd default corresponding backlight of CABC pattern are bright
Degree adjustment ratio incremented by successively.
5. method according to claim 2 is it is characterised in that described judge whether described backlight brightness data is less than or waits
After the step of the first predetermined threshold value, methods described also includes：
If described backlight brightness data is more than described first predetermined threshold value it is determined that in described default at least two CABC patterns
The second default CABC pattern be described target CABC pattern；
Wherein, the described first default CABC pattern corresponding backlight illumination adjustment ratio is less than the described second default CABC pattern pair
The backlight illumination adjustment ratio answered.
6. method according to claim 1 it is characterised in that described according to described target CABC pattern, adjust described aobvious
The step of the backlight illumination of display screen, including：
According to described target CABC pattern, determine described target CABC pattern corresponding target backlight luminance adjustment ratio；
Adjust ratio according to described target backlight luminance, adjust the backlight illumination of described display screen.
7. method according to claim 1 is it is characterised in that described backlight brightness data includes backlight brightness values or backlight
Brightness degree.
8. a kind of mobile terminal, including display screen it is characterised in that described mobile terminal also includes：
Detection module, for detecting the backlight brightness data of described display screen；
Determining module, for controlling CABC pattern based on described backlight brightness data and default at least two dynamic backlights, really
Set the goal CABC pattern；
Adjusting module, for according to described target CABC pattern, adjusting the backlight illumination of described display screen；
Wherein, the different backlight illumination adjustment ratio of different CABC pattern correspondences.
9. mobile terminal according to claim 8 is it is characterised in that described determining module includes：
First judging unit, for judging whether described backlight brightness data is less than or equal to the first predetermined threshold value；
First determining unit, if be less than or equal to described first predetermined threshold value it is determined that described for described backlight brightness data
In default at least two CABC patterns first default CABC pattern is described target CABC pattern.
10. mobile terminal according to claim 9 is it is characterised in that described determining module also includes：
Second judging unit, if being more than described first predetermined threshold value for described backlight brightness data, judges that described backlight is bright
Whether degrees of data is less than the second predetermined threshold value；
Second determining unit, if be less than described second predetermined threshold value it is determined that described default for described backlight brightness data
In at least two CABC patterns second default CABC pattern is described target CABC pattern；
Wherein, described first predetermined threshold value is less than described second predetermined threshold value, the described first default corresponding backlight of CABC pattern
Brightness adjustment ratio is less than the described second default CABC pattern corresponding backlight illumination adjustment ratio.
11. mobile terminals according to claim 10 are it is characterised in that described determining module also includes：
3rd determining unit, if be more than or equal to described second predetermined threshold value it is determined that described for described backlight brightness data
In default at least two CABC patterns the 3rd default CABC pattern is described target CABC pattern；
Wherein, the described first default CABC pattern, the second default CABC pattern and the 3rd default corresponding backlight of CABC pattern are bright
Degree adjustment ratio incremented by successively.
12. mobile terminals according to claim 9 are it is characterised in that described determining module also includes：
4th determining unit, if be more than described first predetermined threshold value it is determined that described default for described backlight brightness data
In at least two CABC patterns second default CABC pattern is described target CABC pattern；
Wherein, the described first default CABC pattern corresponding backlight illumination adjustment ratio is less than the described second default CABC pattern pair
The backlight illumination adjustment ratio answered.
13. mobile terminals according to claim 8 are it is characterised in that described adjusting module includes：
5th determining unit, for according to described target CABC pattern, determining the corresponding target backlight of described target CABC pattern
Brightness adjustment ratio；
Adjustment unit, for adjusting ratio according to described target backlight luminance, adjusts the backlight illumination of described display screen.
14. mobile terminals according to claim 8 are it is characterised in that described backlight brightness data includes backlight brightness values
Or backlight illumination grade.
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| 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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| CN106384577B (en) | 2019-03-01 |
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