CN107180615A - Method for controlling backlight thereof and device when electronic equipment is spread its tail - Google Patents
Method for controlling backlight thereof and device when electronic equipment is spread its tail Download PDFInfo
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- CN107180615A CN107180615A CN201710546068.3A CN201710546068A CN107180615A CN 107180615 A CN107180615 A CN 107180615A CN 201710546068 A CN201710546068 A CN 201710546068A CN 107180615 A CN107180615 A CN 107180615A
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- electronic equipment
- backlight brightness
- backlight
- dynamic
- brightness
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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
- G09G2320/0613—The adjustment depending on the type of the information to be displayed
- G09G2320/062—Adjustment of illumination source parameters
Abstract
The application provides the method for controlling backlight thereof and device when a kind of electronic equipment is spread its tail, and methods described includes：After being initialized based on instruction of spreading its tail to the backlight of electronic equipment, dynamic backlight brightness is received, the dynamic backlight brightness is stored in the SoC master chips of the electronic equipment；Determine whether the luminance difference between the current backlight brightness of the electronic equipment and the dynamic backlight brightness is more than predetermined threshold value；If the luminance difference between the current backlight brightness and the dynamic backlight brightness is more than predetermined threshold value, by the backlight illumination of the electronic equipment from the current backlight brightness step by step modulating to the dynamic backlight brightness.Using this method, when can solve that electronic equipment is spread its tail in the prior art, the problem of instantaneous abrupt change occurs for backlight illumination lifts the visual experience of user.
Description
Technical field
The application is related to electronic equipment control technology field, more particularly to backlight control side of a kind of electronic equipment when spreading its tail
Method and device.
Background technology
In the prior art, after pass screen operation is performed to electronic equipment, the backlight control chip of electronic equipment is in power down
State, afterwards, after operation of spreading its tail is performed to electronic equipment, the SoC master chips of electronic equipment will control power board again
Backlight control chip is powered；On backlight control chip after electricity, the switch single-chip microcomputer of electronic equipment will be again to backlight control
Coremaking piece is initialized, and to set initial backlight brightness, backlight control chip then lights backlight according to the initial backlight brightness
Panel, as a rule, the backlight illumination of initialization procedure setting is all that the brightness preset in switch single-chip microcomputer configures number
According to the brightness number typically all fixed.But, after initialization terminates, switch single-chip microcomputer is interacted with master chip SOC,
The initialization of SoC master chips is notified to complete, subsequently, switch single-chip microcomputer is real by the current video signal issued according to SoC master chips
When dynamic backlight brightness, or according to it is last close screen when the backlight illumination that is preserved backlight control chip is carried on the back again
The configuration of brightness, the dynamic backlight brightness is switched to the backlight illumination of control electronics from initial backlight brightness, or
Switch to the backlight illumination that the last time is preserved when closing screen.
As can be seen here, if the backlight illumination that the initial backlight brightness configured in switch single-chip microcomputer is issued with SoC master chips
Data difference is larger, then inevitably, when there is electronic equipment in the prior art and spreading its tail, and instantaneous abrupt change occurs for backlight illumination
The problem of, especially when hopping amplitude is larger, bad visual experience will be brought to user.
The content of the invention
In view of this, the application provides the method for controlling backlight thereof and device when a kind of electronic equipment is spread its tail, existing to solve
When electronic equipment is spread its tail in technology, the problem of instantaneous abrupt change occurs for backlight illumination lifts the visual experience of user.
Specifically, the application is achieved by the following technical solution：
Method for controlling backlight thereof when being spread its tail according to the first aspect of the embodiment of the present application there is provided a kind of electronic equipment, it is described
Method includes：
After being initialized based on instruction of spreading its tail to the backlight of electronic equipment, dynamic backlight brightness is received, the dynamic backlight is bright
Degree is stored in the SoC master chips of the electronic equipment；
Determine whether the luminance difference between the current backlight brightness of the electronic equipment and the dynamic backlight brightness is big
In predetermined threshold value；
If the luminance difference between the current backlight brightness and the dynamic backlight brightness is more than predetermined threshold value, by institute
The backlight illumination of electronic equipment is stated from the current backlight brightness step by step modulating to the dynamic backlight brightness.
Backlight control apparatus when being spread its tail according to the second aspect of the embodiment of the present application there is provided a kind of electronic equipment, it is described
Device includes：
Receiving module, after based on instruction of spreading its tail to the backlight initialization of electronic equipment, receives dynamic backlight brightness, institute
Dynamic backlight brightness is stated to be stored in the SoC master chips of the electronic equipment；
Determining module, it is bright between the current backlight brightness of the electronic equipment and the dynamic backlight brightness for determining
Spend whether difference is more than predetermined threshold value；
First adjusting module, if big for the luminance difference between the current backlight brightness and the dynamic backlight brightness
In predetermined threshold value, then by the backlight illumination of the electronic equipment from the current backlight brightness step by step modulating to the dynamic backlight
Brightness.
As seen from the above-described embodiment, electronic equipment is after dynamic backlight brightness is received, it is first determined the dynamic backlight is bright
Whether the luminance difference of the current backlight brightness of degree and electronic equipment between the two is more than predetermined threshold value, however, it is determined that the luminance difference
More than predetermined threshold value, then by the backlight illumination of electronic equipment by current backlight brightness step by step modulating to dynamic backlight brightness, due to
The backlight illumination of electronic equipment is progressively adjusted to dynamic backlight brightness from current backlight brightness, so as to avoid backlight illumination
Instantaneous abrupt change, improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is an exemplary embodiment of the system construction drawing of the application electronic equipment；
Fig. 2 is a kind of example of sequential between SW signals and Vsync signals；
Fig. 3 is one embodiment flow chart of method for controlling backlight thereof when the application electronic equipment is spread its tail；
Fig. 4 is another embodiment flow chart of method for controlling backlight thereof when the application electronic equipment is spread its tail；
Fig. 5 is a kind of hardware structure diagram of backlight control apparatus place electronic equipment when the application electronic equipment is spread its tail；
Fig. 6 is one embodiment block diagram of backlight control apparatus when the application electronic equipment is spread its tail；
Fig. 7 is another embodiment block diagram of backlight control apparatus when the application electronic equipment is spread its tail；
Fig. 8 is another embodiment block diagram of backlight control apparatus when the application electronic equipment is spread its tail.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the application.
It is the purpose only merely for description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind ", " described " and "the" of singulative used in the application and appended claims are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wrapped
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not departing from
In the case of the application scope, the first information can also be referred to as the second information, similarly, and the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
In the prior art, after operation of spreading its tail is performed to electronic equipment, the SoC master chips of electronic equipment will control electricity again
Source control panel is powered to backlight control chip, on backlight control chip after electricity, and the switch single-chip microcomputer of electronic equipment will weight
The new initialization that backlight illumination is carried out to backlight control chip, to set the initial backlight brightness of electronic equipment.Initialization is completed
Afterwards, SoC master chips will issue dynamic backlight brightness to switch single-chip microcomputer, switch single-chip microcomputer then according to the dynamic backlight brightness, or
The backlight illumination preserved when person is according to last pass screen, carries out the configuration of backlight illumination, backlight to backlight control chip again
The backlight illumination that control chip is then configured according to switch single-chip microcomputer is straight from initial backlight brightness by the backlight illumination of electronic equipment
Connect and switch to the dynamic backlight brightness, or the last time closes the backlight illumination preserved during screen.As can be seen here, prior art
In, when electronic equipment is spread its tail, instantaneous abrupt change will occur for backlight illumination, especially when hopping amplitude is larger, will to user with
Carry out bad visual experience.
In order to solve the above problems, the application provides the method for controlling backlight thereof and device when a kind of electronic equipment is spread its tail.
Fig. 1 is referred to, is an exemplary embodiment of the system construction drawing of the application electronic equipment 200.
After operation of spreading its tail is performed to electronic equipment 100, SoC master chips 110 will control power board (not show in Fig. 1
Go out) to electric on backlight control chip 130, afterwards, switch single-chip microcomputer 120 and the first of backlight illumination is carried out to backlight control chip 130
Beginningization, backlight control chip 130 is then lighted according to the backlight illumination control lamp bar 140 of initialization.After initialization is completed, SoC
Master chip 110 issues the dynamic backlight brightness of itself storage to switch single-chip microcomputer 120, and switch single-chip microcomputer 120 receives the dynamic
After backlight illumination, the dynamic backlight brightness is detected first, after detection passes through, switch single-chip microcomputer 120 can then perform sheet
Method for controlling backlight thereof of the electronic equipment that application is proposed when spreading its tail, between initial backlight brightness and dynamic backlight brightness difference compared with
When big, by the backlight illumination of electronic equipment from initial backlight brightness step by step modulating to dynamic backlight brightness, it is popular for, institute here
" step by step modulating " said is appreciated that can be progressively to adjust, so that when avoiding the electronic equipment from spreading its tail, wink occurs for backlight illumination
Between saltus step.In the foregoing description, switch single-chip microcomputer 120 is specifically how the dynamic backlight brightness that SoC master chips 110 are issued to be entered
Row detection, those skilled in the art may refer to associated description of the prior art, and the application is not detailed to this.
It should be noted that occurring splashette phenomenon in this application, when being spread its tail in order to avoid electronic equipment, it can observe such as
Lower timing requirements：
After pass screen operation is performed to electronic equipment, electronic equipment drags down backlight data synchronizing signal, and (abbreviation Vsync believes
Number), and PWM outputs are closed, after electronic equipment, which is received, spreads its tail trigger signal, control GPIO pins to export a high electricity first
Flat SW signals, the SW signals are used to trigger power board to electric on backlight control chip, after SW signals to be output, then make
Energy Vsync signal outputs, to avoid electronic equipment from occurring splashette phenomenon when spreading its tail.As shown in Fig. 2 being that SW signals and Vsync believe
A kind of example of sequential between number.
In order that those skilled in the art can be understood that the backlight of electronic equipment that the application provides when spreading its tail
Control method and device, enumerate following embodiments and this method are illustrated：
Fig. 3 is referred to, is one embodiment flow chart of method for controlling backlight thereof when the application electronic equipment is spread its tail, the party
Method can apply to the electronic equipment 100 exemplified by Fig. 1, comprise the following steps：
Step 301：After being initialized based on instruction of spreading its tail to the backlight of electronic equipment, dynamic backlight brightness, the dynamic are received
Backlight illumination is stored in the SoC master chips of electronic equipment.
The system architecture of electronic equipment 100 with reference to exemplified by Fig. 1, electronic equipment 100 is received after instruction of spreading its tail, backlight
Control chip 130 is re-powered, and the backlight control chip 130 after the upper electricity of 120 pairs of switch single-chip microcomputer carries out initial backlight brightness
Configuration, so that backlight control chip 130 carries out backlight initialization according to the initial backlight brightness of the configuration to electronic equipment 100.
Subsequently, the switch single-chip microcomputer 120 of electronic equipment 100 receives the dynamic backlight brightness that SoC master chips 110 are issued,
The dynamic backlight brightness is stored in SoC master chips.
Step 302：Determine whether the luminance difference between the current backlight brightness of electronic equipment and dynamic backlight brightness is big
In predetermined threshold value, if so, then performing step 303；Otherwise, step 304 is performed.
In this application, after switch single-chip microcomputer 120 carries out the configuration of backlight illumination to backlight control chip 130, switch
Single-chip microcomputer 120 can preserve the backlight illumination that it is configured.By backlight control chip 130 is according to switch single-chip microcomputer 120 institute
The backlight illumination of configuration sets the backlight illumination of electronic equipment 100, then, the backlight illumination that switch single-chip microcomputer 120 is preserved
The as current backlight brightness of electronic equipment 100.Handled by this kind, switch single-chip microcomputer 120 can get electronic equipment 100
Current backlight brightness.
In this application, switch single-chip microcomputer 120 is received after the dynamic backlight brightness that SoC master chips 110 are issued, first really
Whether fixed luminance difference between the dynamic backlight brightness and the current backlight brightness of electronic equipment 100 is more than predetermined threshold value, if
It is, then it is believed that dynamic backlight brightness and the difference of current backlight illumination between the two are larger, at this point it is possible to continue executing with step
Rapid 303；If the luminance difference between dynamic backlight brightness and current backlight brightness is not more than predetermined threshold value, it is considered that dynamic
Backlight illumination and the difference of current backlight illumination between the two are in tolerance interval, at this point it is possible to continue executing with step
304。
It should be noted that the product type of electronic equipment, model are different, the predetermined threshold value can be different；Also, for
Same electronic equipment, under different usage scenarios, the predetermined threshold value can also be different, and the application is to the specific of predetermined threshold value
Value, and its changeability are not restricted.
Step 303：By the backlight illumination of electronic equipment from current backlight brightness step by step modulating to dynamic backlight brightness, terminate
Flow.
In this application, by performing step 402, determine that the current backlight brightness of electronic equipment 100 and dynamic backlight are bright
Luminance difference between degree is more than between the current backlight brightness and dynamic backlight brightness of predetermined threshold value, i.e. electronic equipment 100
, can be by the backlight illumination of electronic equipment 100 from current backlight brightness step by step modulating to dynamic backlight brightness when difference is larger.
For popular, above-mentioned described " step by step modulating " refers to progressively adjust, i.e., progressively current backlight brightness is carried out
Adjustment so that current backlight brightness is step by step close to dynamic backlight brightness, eventually equal to dynamic backlight brightness.Pass through this kind of side
Formula, can cause electronic equipment 100 to switch backlight illumination with a process gradually adjusted, so as to avoid the occurrence of backlight illumination wink
Between saltus step phenomenon.
Above-mentioned described " step by step modulating " specific implementation procedure refers to the description of following embodiment illustrated in fig. 4, herein
First it is not detailed.
Step 304：The backlight illumination of electronic equipment is directly adjusted to dynamic backlight brightness from current backlight brightness.
In this application, by performing step 302, determine that the current backlight brightness of electronic equipment 100 and dynamic backlight are bright
Luminance difference between degree is not more than between the current backlight brightness and dynamic backlight brightness of predetermined threshold value, i.e. electronic equipment 100
Difference in tolerance interval when, the backlight illumination of electronic equipment 100 can be directly from current backlight brightness adjustment
State backlight illumination.
As seen from the above-described embodiment, electronic equipment is after dynamic backlight brightness is received, it is first determined the dynamic backlight is bright
Whether the luminance difference of the current backlight brightness of degree and electronic equipment between the two is more than predetermined threshold value, however, it is determined that the luminance difference
More than predetermined threshold value, then by the backlight illumination of electronic equipment by current backlight brightness step by step modulating to dynamic backlight brightness, due to
The backlight illumination of electronic equipment is progressively adjusted to dynamic backlight brightness from current backlight brightness, so as to avoid backlight illumination
Instantaneous abrupt change, improve Consumer's Experience.
Fig. 4 is referred to, is another embodiment flow chart of method for controlling backlight thereof when the application electronic equipment is spread its tail, should
Flow shown in Fig. 4 described on the basis of flow shown in above-mentioned Fig. 3, emphatically be how by the backlight illumination of electronic equipment from work as
Preceding backlight illumination is adjusted to dynamic backlight brightness, may comprise steps of：
Step 401：It is determined that the step value needed for the backlight illumination of adjustment electronic equipment.
In one embodiment, the step value needed for the backlight illumination of adjustment electronic equipment can be the fixation pre-set
Value.
In one embodiment, the step value needed for the backlight illumination of adjustment electronic equipment can be dynamic change, specifically
, the difference between current backlight brightness and dynamic backlight brightness that can be based on electronic equipment 100, and default step-length ratio
Example, it is determined that the step value needed for the backlight illumination of adjustment electronic equipment 100, for example, determining step value according to equation below：
Step value=| current backlight brightness-dynamic backlight brightness | * presets step-length ratio.
It should be noted that a main purpose of the method for controlling backlight thereof when electronic equipment that the application is proposed is spread its tail is
When avoiding the electronic equipment from spreading its tail, instantaneous abrupt change occurs for the backlight illumination of backlight panel, so that, it will be appreciated by those skilled in the art that
, it is excessive that the used step value that is in course of adjustment should not be set.
Step 402：The current backlight brightness of electronic equipment is adjusted according to step value.
In this application, by the associated description of step 302 in above-mentioned embodiment illustrated in fig. 3, single-chip microcomputer 120 is switched
The current backlight brightness of electronic equipment 110 is preserved, in this step, switch single-chip microcomputer 120 can be according to step value adjustment certainly
The current backlight brightness that body is preserved so that the current backlight brightness itself preserved is close to dynamic backlight brightness, and afterwards, switch is single
Piece machine 120 is preserved according to itself, and the current backlight brightness after adjustment carries out backlight illumination to backlight control chip 130 and matched somebody with somebody
Put, to cause backlight control chip 130 to adjust the brightness of lamp bar 140 according to the backlight illumination that switch single-chip microcomputer 120 is configured, that is, adjust
The backlight illumination of whole electronic equipment 100.
Specifically, current backlight brightness can be distinguished more than dynamic backlight brightness, it is less than dynamic with current backlight brightness and carries on the back
Two kinds of situations of brightness, it will be appreciated by persons skilled in the art that according between current backlight brightness and dynamic backlight brightness
Magnitude relationship is different, and specific adjustment process is also differed, but adjustment result is all so that the current backlight brightness after adjustment more
Close to dynamic backlight brightness.For example, in the case where current backlight brightness is more than dynamic backlight brightness, then being adjusted according to step value
Whole current backlight brightness is then：The current backlight before current backlight brightness=adjustment after adjustment lights-step value；Carried on the back currently
In the case that brightness is less than dynamic backlight brightness, it is then according to step value adjustment current backlight brightness then：It is current after adjustment
Current backlight before backlight illumination=adjustment lights+step value.
Step 403：It is determined that adjustment after current backlight brightness and dynamic backlight brightness between luminance difference whether be more than
Predetermined threshold value；If the luminance difference between current backlight brightness and dynamic backlight brightness after adjustment is more than predetermined threshold value, return
Receipt row step 401；If the luminance difference between current backlight brightness and dynamic backlight brightness after adjustment is not more than default threshold
Value, then perform step 404.
Step 404：The backlight illumination of electronic equipment is directly adjusted to dynamic backlight from the current backlight brightness after adjustment
Brightness.
In this application, after the current backlight brightness that electronic equipment 100 is often adjusted according to step value, it can determine to adjust again
Whether the luminance difference between current backlight brightness and dynamic backlight brightness after whole is more than predetermined threshold value, if so, can then recognize
It is larger for the difference between the current backlight brightness and dynamic backlight brightness after adjustment, now, return perform step 401, i.e., after
It is continuous progressively to be adjusted according to step value；Otherwise, it is believed that between the current backlight brightness and dynamic backlight brightness after adjustment
Difference in tolerance interval, now, then can perform step 404, i.e., by the backlight illumination of electronic equipment 100 after adjustment
Current backlight brightness be directly adjusted to dynamic backlight brightness.
It should be noted that if the backlight illumination of electronic equipment 100 does not switch to dynamic backlight brightness also completely, switch is single
Piece machine 120 receives the dynamic backlight brightness that SoC master chips 110 are issued again, then, it is above-mentioned it is described during, open
Close single-chip microcomputer 120 and use the newest dynamic backlight brightness issued of SoC master chips 110 and the current backlight brightness of electronic equipment 100
It is compared, most the backlight illumination of electronic equipment 100 is progressively adjusted to the newest dynamic backlight brightness issued at last.
As seen from the above-described embodiment, electronic equipment adjusts the current backlight brightness of electronic equipment by step value, and every
After secondary adjustment, continue to compare the current backlight brightness and dynamic backlight brightness after adjustment, to determine adjustment mode next time, no
Only realize the backlight illumination of step by step modulating electronic equipment, it is to avoid instantaneous abrupt change occurs for the backlight illumination of electronic equipment, also ties
Real-time current backlight brightness is closed, selects optimal adjustment mode subsequently to be adjusted in time, improves Consumer's Experience.
The embodiment of method for controlling backlight thereof when being spread its tail with aforementioned electronic devices is corresponding, is set present invention also provides electronics
For the embodiment of backlight control apparatus when spreading its tail.
The embodiment of backlight control apparatus when the application electronic equipment is spread its tail can be using on an electronic device.Device is real
Applying example can be realized by software, can also be realized by way of hardware or software and hardware combining.Exemplified by implemented in software, make
It is by corresponding meter in nonvolatile memory by the processor of electronic equipment where it for the device on a logical meaning
Calculation machine programmed instruction reads what operation in internal memory was formed.For hardware view, as shown in figure 5, being the application electronic equipment
A kind of hardware structure diagram of electronic equipment where backlight control apparatus when spreading its tail, except processor 51, the internal memory shown in Fig. 5
52nd, outside network interface 53 and nonvolatile memory 54, the electronic equipment in embodiment where device is generally according to the electricity
The actual functional capability of sub- equipment, can also include other hardware, this is repeated no more.
Fig. 6 is refer to, is one embodiment block diagram of backlight control apparatus when the application electronic equipment is spread its tail, the device
It can apply on electronic equipment, the device can include：Receiving module 61, determining module 62, the first adjusting module 63.
Wherein, the receiving module 61, can be used for after being initialized based on instruction of spreading its tail to the backlight of electronic equipment, receives dynamic
State backlight illumination, the dynamic backlight brightness is stored in the SoC master chips of the electronic equipment；
The determining module 62, is determined for the current backlight brightness and the dynamic backlight brightness of the electronic equipment
Between luminance difference whether be more than predetermined threshold value；
First adjusting module 63, if can be used for bright between the current backlight brightness and the dynamic backlight brightness
Spend difference and be more than predetermined threshold value, then by the backlight illumination of the electronic equipment from the current backlight brightness step by step modulating to described
Dynamic backlight brightness.
Fig. 7 is refer to, is another embodiment block diagram of backlight control apparatus when the application electronic equipment is spread its tail, the figure
7 on the basis of above-mentioned Fig. 5 shown devices, in addition to the second adjusting module 64.
Second adjusting module 64, if can be used for bright between the current backlight brightness and the dynamic backlight brightness
Degree difference is not more than the predetermined threshold value, then directly adjusts the backlight illumination of the electronic equipment from the current backlight brightness
To the dynamic backlight brightness.
Fig. 8 is refer to, is another embodiment block diagram of backlight control apparatus when the application electronic equipment is spread its tail, the figure
8 shown devices on the basis of above-mentioned Fig. 6 shown devices, wherein, the first adjusting module 63 can include：First determination sub-module
631st, adjustment submodule 632, the second determination sub-module 633, the first implementation sub-module 634, the second implementation sub-module 635.
Wherein, first determination sub-module 631, needed for being determined for adjusting the backlight illumination of the electronic equipment
Step value；
The adjustment submodule 632, can be used for the current backlight brightness that the electronic equipment is adjusted according to the step value；
Second determination sub-module 633, the current backlight brightness and the dynamic backlight being determined for after adjustment is bright
Whether the luminance difference between degree is more than predetermined threshold value；
First implementation sub-module 634, if the current backlight brightness that can be used for after the adjustment and the dynamic backlight
Luminance difference between brightness is more than the predetermined threshold value, then returns to the step performed performed by the determination sub-module；
Second implementation sub-module 635, if the current backlight brightness that can be used for after the adjustment and the dynamic backlight
Luminance difference between brightness is not more than the predetermined threshold value, then by the backlight illumination of the electronic equipment after the adjustment
Current backlight brightness is directly adjusted to the dynamic backlight brightness.
In one embodiment, first determination sub-module 631 can be specifically for：
Difference between current backlight brightness and the dynamic backlight brightness based on the electronic equipment, and it is default
Step-length ratio, it is determined that adjusting the step value needed for the backlight illumination of the electronic equipment.
The function of unit and the implementation process of effect specifically refer to correspondence step in the above method in said apparatus
Implementation process, will not be repeated here.
For device embodiment, because it corresponds essentially to embodiment of the method, so related part is real referring to method
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described be used as separating component
The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of module therein is needed to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The preferred embodiment of the application is the foregoing is only, not to limit the application, all essences in the application
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of the application protection.
Claims (8)
- Method for controlling backlight thereof when 1. a kind of electronic equipment is spread its tail, it is characterised in that methods described includes：After being initialized based on instruction of spreading its tail to the backlight of electronic equipment, dynamic backlight brightness is received, the dynamic backlight brightness is deposited Storage is in the SoC master chips of the electronic equipment；Determine whether the luminance difference between the current backlight brightness of the electronic equipment and the dynamic backlight brightness is more than pre- If threshold value；If the luminance difference between the current backlight brightness and the dynamic backlight brightness is more than the predetermined threshold value, by institute The backlight illumination of electronic equipment is stated from the current backlight brightness step by step modulating to the dynamic backlight brightness.
- 2. according to the method described in claim 1, it is characterised in that in the current backlight brightness for determining the electronic equipment Whether the luminance difference between the dynamic backlight brightness is more than after predetermined threshold value, in addition to：, will if the luminance difference between the current backlight brightness and the dynamic backlight brightness is not more than the predetermined threshold value The backlight illumination of the electronic equipment is directly adjusted to the dynamic backlight brightness from the current backlight brightness.
- 3. according to the method described in claim 1, it is characterised in that the backlight illumination by the electronic equipment is worked as from described Preceding backlight illumination step by step modulating to the dynamic backlight brightness, including：It is determined that adjusting the step value needed for the backlight illumination of the electronic equipment；The current backlight brightness of the electronic equipment is adjusted according to the step value；It is determined that the luminance difference between current backlight brightness and the dynamic backlight brightness after adjustment whether be more than it is described default Threshold value；If the luminance difference between current backlight brightness and the dynamic backlight brightness after the adjustment is more than the default threshold Value, then return and perform the step of determining to adjust the step value needed for the backlight illumination of the electronic equipment；If the luminance difference between current backlight brightness and the dynamic backlight brightness after the adjustment is not more than described default Threshold value, then directly adjust to the dynamic from the current backlight brightness after the adjustment by the backlight illumination of the electronic equipment and carry on the back Brightness.
- 4. method according to claim 3, it is characterised in that the determination adjusts the backlight illumination institute of the electronic equipment The step value needed, including：Difference between current backlight brightness and the dynamic backlight brightness based on the electronic equipment, and default step-length Ratio, it is determined that adjusting the step value needed for the backlight illumination of the electronic equipment.
- Backlight control apparatus when 5. a kind of electronic equipment is spread its tail, it is characterised in that described device includes：Receiving module, after based on instruction of spreading its tail to the backlight initialization of electronic equipment, receives dynamic backlight brightness, described dynamic State backlight illumination is stored in the SoC master chips of the electronic equipment；Determining module, for determining the luminance difference between the current backlight brightness of the electronic equipment and the dynamic backlight brightness Whether value is more than predetermined threshold value；First adjusting module, if being more than for the luminance difference between the current backlight brightness and the dynamic backlight brightness pre- It is if threshold value, then the backlight illumination of the electronic equipment is bright from the current backlight brightness step by step modulating to the dynamic backlight Degree.
- 6. device according to claim 5, it is characterised in that described device also includes：Second adjusting module, if being not more than for the luminance difference between the current backlight brightness and the dynamic backlight brightness The predetermined threshold value, then directly adjust to the dynamic from the current backlight brightness by the backlight illumination of the electronic equipment and carry on the back Brightness.
- 7. device according to claim 6, it is characterised in that first adjusting module includes：First determination sub-module, the step value needed for backlight illumination for determining the adjustment electronic equipment；Submodule is adjusted, the current backlight brightness for adjusting the electronic equipment according to the step value；Second determination sub-module, for determining the luminance difference between current backlight brightness and the dynamic backlight brightness after adjustment Whether value is more than predetermined threshold value；First implementation sub-module, if for the brightness between the current backlight brightness after the adjustment and the dynamic backlight brightness Difference is more than the predetermined threshold value, then returns to the step performed performed by the determination sub-module；Second implementation sub-module, if for the brightness between the current backlight brightness after the adjustment and the dynamic backlight brightness Difference is not more than the predetermined threshold value, then the backlight illumination of the electronic equipment is straight from the current backlight brightness after the adjustment Connect and adjust to the dynamic backlight brightness.
- 8. device according to claim 7, it is characterised in that first determination sub-module specifically for：Difference between current backlight brightness and the dynamic backlight brightness based on the electronic equipment, and default step-length Ratio, it is determined that adjusting the step value needed for the backlight illumination of the electronic equipment.
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