CN106060284B - The method, device and mobile terminal of backlight control - Google Patents
The method, device and mobile terminal of backlight control Download PDFInfo
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- CN106060284B CN106060284B CN201610672108.4A CN201610672108A CN106060284B CN 106060284 B CN106060284 B CN 106060284B CN 201610672108 A CN201610672108 A CN 201610672108A CN 106060284 B CN106060284 B CN 106060284B
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- ambient light
- backlight
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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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
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Liquid Crystal Display Device Control (AREA)
- Telephone Function (AREA)
- Liquid Crystal (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of method, device and mobile terminal of backlight control.This method comprises: opening proximity sensor when opening ambient light sensor；The data of proximity sensor are obtained, and are judged current whether in occlusion state；If being currently at occlusion state, it is determined that the variation tendency for the ambient light intensity that ambient light sensor obtains；If the variation tendency is to become strong, current backlight grade is adjusted according to the ambient light intensity.The present invention, when the ambient light intensity change that ambient light sensor obtains is strong, adjusts current backlight grade according to the ambient light intensity of acquisition, makes user be more easier to see the content that screen is shown, improve the display effect of screen under occlusion state.
Description
Technical field
The present embodiments relate to backlight technology more particularly to a kind of method, device and mobile terminal of backlight control.
Background technique
It is basis that mobile terminal, which automatically adjusts LCD (Liquid Crystal Display, liquid crystal display) backlight illumination,
Ambient light intensity detects current ambient light intensity come what is adjusted by ambient light sensor first, according to different environment light
The corresponding LCD backlight grade in intensity value section, that is, light sensation section, to adjust LCD backlight brightness.
In the prior art, when according to ambient light intensity adjusting backlight luminance, proximity sensor can be also opened simultaneously, this
Sample would not change the backlight of screen when mobile terminal is blocked according to the variation of environmental light intensity angle value.But
If ambient light intensity increases, the case where user does not see display picture appearance certainly will be will cause.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method, device and mobile terminal of backlight control, to promote screen
Display effect.
In a first aspect, the embodiment of the invention provides a kind of methods of backlight control, which comprises
When opening ambient light sensor, proximity sensor is opened；
The data of proximity sensor are obtained, and are judged current whether in occlusion state；
If being currently at occlusion state, it is determined that the variation tendency for the ambient light intensity that ambient light sensor obtains；
If the variation tendency is to become strong, current backlight grade is adjusted according to the ambient light intensity.
Second aspect, the embodiment of the invention also provides a kind of device of backlight control, described device includes:
Sensor opening module, for opening proximity sensor when opening ambient light sensor；
Whether occlusion state judgment module for obtaining the data of proximity sensor, and judges current in occlusion state；
Variation tendency determining module, if for being currently at occlusion state, it is determined that the ring that ambient light sensor obtains
The variation tendency of border luminous intensity；
Backlight level adjusts module, if being to become strong for the variation tendency, is adjusted according to the ambient light intensity
Current backlight grade.
The third aspect, the embodiment of the invention also provides a kind of mobile terminal, the mobile terminal is integrated with the present invention and appoints
The device of backlight control described in one embodiment.
The technical solution of the embodiment of the present invention, when by being adjusted according to ambient light intensity to backlight illumination, using connecing
Nearly sensor judges whether in occlusion state, when being in occlusion state, and the ambient light intensity that obtains of ambient light sensor
Variation tendency is to adjust current backlight grade according to the ambient light intensity when becoming strong, since under occlusion state, environment light is passed
The ambient light intensity that sensor obtains becomes strong, then illustrates that actual ambient light intensity is to become strong, at this moment according to the environment light of acquisition
Intensity adjusts current backlight grade, makes user be more easier to see the content that screen is shown, improves the display effect of screen.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the method for backlight control that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow chart of the method for backlight control provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of flow chart of the method for backlight control that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural schematic diagram of the device for backlight control that the embodiment of the present invention four provides；
Fig. 5 is a kind of structural schematic diagram for mobile terminal that the embodiment of the present invention five provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
In description, only some but not all contents related to the present invention are shown in the drawings.
Embodiment one
Fig. 1 is a kind of flow chart of the method for backlight control that the embodiment of the present invention one provides, and the present embodiment is applicable to
The case where being adjusted according to the circumstance of occlusion of the light well of ambient light sensor to backlight, this method can be by backlight controls
Device executes, and the device of the backlight control can be only fitted in the mobile terminals such as mobile phone or tablet computer.This method is specifically wrapped
Include following steps:
Step 110, when opening ambient light sensor, proximity sensor is opened.
When opening ambient light sensor to be adjusted to the backlight illumination of screen, proximity sensor is opened, to judge
Whether the light well of ambient light sensor is in occlusion state.When mobile terminal is blocked, such as user's transverse screen is played
It, at this moment would not be due to the reduction of environmental light intensity angle value when game (proximity sensor is often judged as in occlusion state)
And reduce the backlight of screen.
Wherein, ambient light sensor can perceive the light conditions of surrounding, and inform processing chip automatic adjustment screen
Backlight illumination reduces the power consumption of product.
Step 120, the data of proximity sensor are obtained, and are judged current whether in occlusion state.
The data of proximity sensor are obtained, and according to the data of proximity sensor, judge that the light well of sensor is currently
It is no to be in occlusion state.
Wherein, proximity sensor is to replace the contact measurements modes such as limit switch, to carry out without contacting test object
The general name of sensor for the purpose of detection, can test object mobile message and there are information and be converted to electric signal.It is close
Sensor can be divided into capacitive proximity sensor and inductive proximity sensor.
Step 130, if being currently at occlusion state, it is determined that the variation for the ambient light intensity that ambient light sensor obtains
Trend.
If the light well of ambient light sensor is currently at occlusion state, it is determined that the ambient light sensing in preset time
The variation tendency for the ambient light intensity that device obtains, to adjust the backlight illumination of screen according to the variation tendency of ambient light intensity.?
When determining the variation tendency of the ambient light intensity in preset time, firstly, being obtained in preset time by ambient light sensor
Ambient light intensity determines the environment in preset time further according to the size of the data of each ambient light intensity in preset time
The variation tendency of luminous intensity (as become strong, dying down or constant).
Step 140, if the variation tendency is to become strong, current backlight grade is adjusted according to the ambient light intensity.
Since the light well of ambient light sensor is currently at occlusion state, if the ambient light intensity in preset time
Variation tendency is to become strong, then illustrates that actual ambient light intensity is to become strong (such as in occlusion state, but finger distance
Ambient light sensor has a certain distance, this when, and external ambient light becomes strong), although at this point, being in occlusion state, still
Need to increase the backlight illumination of screen.The current back of the ambient light intensity adjustment screen obtained according to the ambient light sensor
Light grade, if the ambient light intensity that the ambient light sensor obtains has been more than the corresponding light sensation section of current backlight grade
Then current backlight grade is turned up for range.Backlight level adjusted can be the environment light that the ambient light sensor obtains
It is high to be also possible to backlight level more corresponding than the ambient light intensity that the ambient light sensor obtains for the corresponding backlight level of intensity
Certain grade.
Since the light well of ambient light sensor is currently at occlusion state, if the ambient light intensity in preset time
Variation tendency is to die down, then cannot illustrate that actual ambient light intensity dies down, because the variation tendency of ambient light intensity can
Can be due to blocking caused by, at this moment do not need according to ambient light sensor obtain ambient light intensity adjustment screen backlight it is bright
Degree.
The technical solution of the present embodiment when by being adjusted according to ambient light intensity to backlight illumination, is passed using close
Sensor judges whether in occlusion state, when being in occlusion state, and the variation of ambient light intensity that ambient light sensor obtains
Trend is to adjust current backlight grade, due under occlusion state, ambient light sensor according to the ambient light intensity when becoming strong
The ambient light intensity of acquisition becomes strong, then illustrates that actual ambient light intensity is to become strong, at this moment according to the ambient light intensity of acquisition
Current backlight grade is adjusted, makes user be more easier to see the content that screen is shown, improves the display effect of screen.
Embodiment two
Fig. 2 is a kind of flow chart of the method for backlight control provided by Embodiment 2 of the present invention, and the present embodiment is in embodiment
Be optimized on the basis of one, will " according to the ambient light intensity adjust current backlight grade " advanced optimize for " according to
The ambient light intensity searches the corresponding backlight of the ambient light intensity in the corresponding relationship of light sensation section and backlight level
Grade；It is the corresponding backlight level of the ambient light intensity by current backlight level adjustment ".This method specifically includes following step
It is rapid:
Step 210, when opening ambient light sensor, proximity sensor is opened.
Step 220, the data of proximity sensor are obtained, and are judged current whether in occlusion state.
Step 230, if being currently at occlusion state, it is determined that the variation for the ambient light intensity that ambient light sensor obtains
Trend.
Step 240, if the variation tendency is to become strong, according to the ambient light intensity, in light sensation section and backlight
In the corresponding relationship of grade, the corresponding backlight level of the ambient light intensity is searched.
If the variation tendency of ambient light intensity is to become strong (changing from small to big), according to the ambient light intensity, and
The corresponding relationship in pre-set light sensation section and backlight level, by comparing the endpoint of the ambient light intensity and light sensation section
The relationship of value determines light sensation section belonging to the ambient light intensity, which is the ring
The corresponding backlight level of border luminous intensity.
It step 250, is the corresponding backlight level of the ambient light intensity by current backlight level adjustment.
In the state of blocking, the variation tendency for the ambient light intensity that ambient light sensor is got is to become strong, then practical
The intensity of environment light be also to become strong, at this moment do not seen if not being adjusted to the backlight illumination of screen and will lead to user
Chu shows therefore picture is adjusted the current backlight grade of the screen of mobile terminal, is ring by current backlight level adjustment
The corresponding backlight level of ambient light intensity that border optical sensor obtains.
Wherein, it is that the corresponding backlight level of the ambient light intensity preferably includes by current backlight level adjustment:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight grade
It is adjusted to the corresponding backlight level of the ambient light intensity.
Compare the size relation of the ambient light intensity corresponding backlight level and current backlight grade, if the environment
The corresponding backlight level of luminous intensity is than current backlight higher grade, then current backlight level adjustment is corresponding for the ambient light intensity
Backlight level, avoid when the corresponding backlight level of ambient light intensity is identical as current backlight grade repetition adjustment, section
Save power consumption.
The technical solution of the present embodiment, on the basis of the above embodiments, by under occlusion state, ambient light sensor
The variation tendency of the ambient light intensity of acquisition is when becoming strong, is the ambient light intensity pair by the current backlight level adjustment of screen
The backlight level answered improves the display effect of screen.
Embodiment three
Fig. 3 is a kind of flow chart of the method for backlight control that the embodiment of the present invention three provides, and the present embodiment is in embodiment
Be optimized on the basis of one, will " according to the ambient light intensity adjust current backlight grade " advanced optimize for " according to
The ambient light intensity searches the corresponding backlight of the ambient light intensity in the corresponding relationship of light sensation section and backlight level
Grade；It is the backlight level of the high setting grade of backlight level more corresponding than the ambient light intensity by current backlight level adjustment ".
This method specifically comprises the following steps:
Step 310, when opening ambient light sensor, proximity sensor is opened.
Step 320, the data of proximity sensor are obtained, and are judged current whether in occlusion state.
Step 330, if being currently at occlusion state, it is determined that the variation for the ambient light intensity that ambient light sensor obtains
Trend.
Step 340, if the variation tendency is to become strong, according to the ambient light intensity, in light sensation section and backlight
In the corresponding relationship of grade, the corresponding backlight level of the ambient light intensity is searched.
If the variation tendency of ambient light intensity is to become strong (changing from small to big), according to the ambient light intensity, and
The corresponding relationship in pre-set light sensation section and backlight level, by comparing the endpoint of the ambient light intensity and light sensation section
The relationship of value determines light sensation section belonging to the ambient light intensity, which is the ring
The corresponding backlight level of border luminous intensity.
It step 350, is the high setting grade of backlight level more corresponding than the ambient light intensity by current backlight level adjustment
Backlight level.
In the state of blocking, the variation tendency for the ambient light intensity that ambient light sensor is got is to become strong, then practical
The intensity of environment light be also to become strong, at this moment do not seen if not being adjusted to the backlight illumination of screen and will lead to user
Chu shows picture, and therefore, it is necessary to the current backlight grades of the screen to mobile terminal to be adjusted.Due to the case where blocking
Under, the ambient light intensity that ambient light sensor is got is to become strong, then actual ambient light intensity is obtained than ambient light sensor
The ambient light intensity got is big, is the ambient light intensity obtained than ambient light sensor by current backlight level adjustment therefore
The backlight level of corresponding backlight level height setting grade.Wherein, the setting grade is preferably level-one.
It wherein, is the back of the high setting grade of backlight level more corresponding than the ambient light intensity by current backlight level adjustment
Light grade preferably includes:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight grade
It is adjusted to the backlight level of the high setting grade of backlight level more corresponding than the ambient light intensity.
Since in the state partly blocked, the value of environment light has had no idea to react actual environment light certainly at this time
Value, and it is lower than actual environmental light intensity angle value to be bound to.So if current ambient light intensity has been more than adjustment backlight etc.
The environmental light intensity angle value of grade, then the screen backlight brightness value of actual setting is had to than currently detected environmental light intensity angle value
Corresponding backlight illumination is big, can the high setting grade of backlight level more corresponding than the ambient light intensity, such as it is one high
Backlight level.
The technical solution of the present embodiment, on the basis of the above embodiments, by under occlusion state, ambient light sensor
The variation tendency of the ambient light intensity of acquisition is when becoming strong, is than the ambient light intensity by the current backlight level adjustment of screen
The backlight level of corresponding backlight level height setting grade, backlight level corresponding with actual ambient light intensity are more consistent,
Further improve the display effect of screen.
Example IV
Fig. 4 is a kind of structural schematic diagram of the device for backlight control that the embodiment of the present invention four provides, as shown in figure 4, this
The device of backlight control described in embodiment includes: sensor opening module 410, occlusion state judgment module 420, variation tendency
Determining module 430 and backlight level adjust module 440.
Wherein, sensor opening module 410, for opening proximity sensor when opening ambient light sensor；
Occlusion state judgment module 420 for obtaining the data of proximity sensor, and judges that current whether be in blocks shape
State；
Variation tendency determining module 430, if for being currently at occlusion state, it is determined that ambient light sensor obtained
The variation tendency of ambient light intensity；
Backlight level adjusts module 440, if being to become strong for the variation tendency, according to the ambient light intensity tune
Whole current backlight grade.
Optionally, the backlight level adjustment module includes:
First backlight level searching unit, for pair according to the ambient light intensity, in light sensation section and backlight level
In should being related to, the corresponding backlight level of the ambient light intensity is searched；
First backlight level adjustment unit, for being the corresponding backlight of the ambient light intensity by current backlight level adjustment
Grade.
Preferably, the first backlight level adjustment unit is specifically used for:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight grade
It is adjusted to the corresponding backlight level of the ambient light intensity.
Optionally, the backlight level adjustment module includes:
Second backlight level searching unit, for pair according to the ambient light intensity, in light sensation section and backlight level
In should being related to, the corresponding backlight level of the ambient light intensity is searched；
Second backlight level adjustment unit, for being back more corresponding than the ambient light intensity by current backlight level adjustment
The backlight level of light grade height setting grade.
Preferably, the second backlight level adjustment unit is specifically used for:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight grade
It is adjusted to the backlight level of the high setting grade of backlight level more corresponding than the ambient light intensity.
Wherein, the setting grade is preferably level-one.
The method that backlight control provided by any embodiment of the invention can be performed in the device of above-mentioned backlight control, has and holds
The corresponding functional module of row method and beneficial effect.
Embodiment five
A kind of mobile terminal is present embodiments provided, which may include the back that any embodiment of that present invention provides
The device of photocontrol.Fig. 5 is a kind of structural schematic diagram for mobile terminal that the embodiment of the present invention five provides, as shown in figure 5, the shifting
Dynamic terminal may include: memory 501, central processing unit (Central Processing Unit, hereinafter referred to as CPU) 502,
Peripheral Interface 503, RF (Radio Frequency, radio frequency) circuit 505, voicefrequency circuit 506, loudspeaker 511, power management core
Piece 508, input/output (I/O) subsystem 509, touch screen 512, other input/control devicess 510 and outside port 504,
These components are communicated by one or more communication bus or signal wire 507.
It should be understood that illustrating the example that mobile terminal 500 is only mobile terminal, and mobile terminal 500
It can have than shown in the drawings more or less component, can combine two or more components, or can be with
It is configured with different components.Various parts shown in the drawings can include one or more signal processings and/or dedicated
It is realized in the combination of hardware, software or hardware and software including integrated circuit.
Below just the mobile terminal provided in this embodiment for backlight control be described in detail, the mobile terminal with
For mobile phone.
Memory 501, the memory 501 can be accessed by CPU502, Peripheral Interface 503 etc., and the memory 501 can
It can also include nonvolatile memory to include high-speed random access memory, such as one or more disk memory,
Flush memory device or other volatile solid-state parts.
The peripheral hardware that outputs and inputs of equipment can be connected to CPU502 and deposited by Peripheral Interface 503, the Peripheral Interface 503
Reservoir 501.
I/O subsystem 509, the I/O subsystem 509 can be by the input/output peripherals in equipment, such as touch screen 502
(being equivalent to the screen in above-described embodiment) and other input/control devicess 510, are connected to Peripheral Interface 503.I/O subsystem
509 may include display controller 5091 and one or more input controllers for controlling other input/control devicess 510
5092.Wherein, one or more input controllers 5092 from other input/control devicess 510 receive electric signal or to other
Input/control devices 510 sends electric signal, other input/control devicess 510 may include physical button (push button, rocker arm
Button etc.), dial, slide switch, control stick, click idler wheel.It is worth noting that input controller 5092 can with it is following
Any one connection: the indicating equipment of keyboard, infrared port, USB interface and such as mouse.
Touch screen 512, the touch screen 512 are the input interface and output interface between user terminal and user, can
It is shown to user depending on output, visual output may include figure, text, icon, video etc..
Display controller 5091 in I/O subsystem 509 receives electric signal from touch screen 512 or sends out to touch screen 512
Electric signals.Touch screen 512 detects the contact on touch screen, and the contact that display controller 5091 will test is converted to and is shown
The interaction of user interface object on touch screen 512, i.e. realization human-computer interaction, the user interface being shown on touch screen 512
Object can be the icon of running game, the icon for being networked to corresponding network etc..It is worth noting that equipment can also include light
Mouse, light mouse are the extensions for the touch sensitive surface for not showing the touch sensitive surface visually exported, or formed by touch screen.
RF circuit 505 is mainly used for establishing the communication of mobile phone Yu wireless network (i.e. network side), realizes mobile phone and wireless network
The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuit 505 receives and sends RF letter
Number, RF signal is also referred to as electromagnetic signal, and RF circuit 505 converts electrical signals to electromagnetic signal or electromagnetic signal is converted to telecommunications
Number, and communicated by the electromagnetic signal with communication network and other equipment.RF circuit 505 may include for executing
The known circuit of these functions comprising but it is not limited to antenna system, RF transceiver, one or more amplifiers, tuner, one
A or multiple oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, user identifier mould
Block (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 506 is mainly used for receiving audio data from Peripheral Interface 503, which is converted to telecommunications
Number, and the electric signal is sent to loudspeaker 511.
Loudspeaker 511 is reduced to sound for mobile phone to be passed through RF circuit 505 from the received voice signal of wireless network
And the sound is played to user.
Power management chip 508, the hardware for being connected by CPU502, I/O subsystem and Peripheral Interface are powered
And power management.
The executable following operation of CPU502 provided in an embodiment of the present invention:
When opening ambient light sensor, proximity sensor is opened；
The data of proximity sensor are obtained, and are judged current whether in occlusion state；
If being currently at occlusion state, it is determined that the variation tendency for the ambient light intensity that ambient light sensor obtains；
If the variation tendency is to become strong, current backlight grade is adjusted according to the ambient light intensity.
Method provided by any embodiment of the invention can be performed in above-mentioned mobile terminal, has the corresponding function of execution method
Module and beneficial effect.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (13)
1. a kind of method of backlight control, which is characterized in that the described method includes:
When opening ambient light sensor, proximity sensor is opened；
The data of proximity sensor are obtained, and are judged current whether in occlusion state；
If being currently at occlusion state, it is determined that the variation tendency for the ambient light intensity that ambient light sensor obtains；
If the variation tendency is to become strong, current backlight grade is adjusted according to the ambient light intensity, if the environment
The ambient light intensity that optical sensor obtains has been more than the range in the corresponding light sensation section of current backlight grade, then by current backlight etc.
Grade is turned up.
2. the method according to claim 1, wherein adjusting current backlight grade packet according to the ambient light intensity
It includes:
The ambient light intensity pair is searched in the corresponding relationship of light sensation section and backlight level according to the ambient light intensity
The backlight level answered；
It is the corresponding backlight level of the ambient light intensity by current backlight level adjustment.
3. according to the method described in claim 2, it is characterized in that, being the ambient light intensity pair by current backlight level adjustment
The backlight level answered includes:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight level adjustment
For the corresponding backlight level of the ambient light intensity.
4. the method according to claim 1, wherein adjusting current backlight grade packet according to the ambient light intensity
It includes:
The ambient light intensity pair is searched in the corresponding relationship of light sensation section and backlight level according to the ambient light intensity
The backlight level answered；
It is the backlight level of the high setting grade of backlight level more corresponding than the ambient light intensity by current backlight level adjustment.
5. according to the method described in claim 4, it is characterized in that, being than the ambient light intensity by current backlight level adjustment
The backlight level of corresponding backlight level height setting grade includes:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight level adjustment
For the backlight level of the high setting grade of backlight level more corresponding than the ambient light intensity.
6. method according to claim 4 or 5, which is characterized in that the grade that sets is level-one.
7. a kind of device of backlight control, which is characterized in that described device includes:
Sensor opening module, for opening proximity sensor when opening ambient light sensor；
Whether occlusion state judgment module for obtaining the data of proximity sensor, and judges current in occlusion state；
Variation tendency determining module, if for being currently at occlusion state, it is determined that the environment light that ambient light sensor obtains
The variation tendency of intensity；
Backlight level adjusts module, if being to become strong for the variation tendency, is adjusted according to the ambient light intensity current
Backlight level, if the ambient light intensity that the ambient light sensor obtains has been more than the corresponding light sensation section of current backlight grade
Range, then current backlight grade is turned up.
8. device according to claim 7, which is characterized in that the backlight level adjusts module and includes:
First backlight level searching unit is used for according to the ambient light intensity, in light sensation section pass corresponding with backlight level
In system, the corresponding backlight level of the ambient light intensity is searched；
First backlight level adjustment unit, for being corresponding backlight of the ambient light intensity etc. by current backlight level adjustment
Grade.
9. device according to claim 8, which is characterized in that the first backlight level adjustment unit is specifically used for:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight level adjustment
For the corresponding backlight level of the ambient light intensity.
10. device according to claim 7, which is characterized in that the backlight level adjusts module and includes:
Second backlight level searching unit is used for according to the ambient light intensity, in light sensation section pass corresponding with backlight level
In system, the corresponding backlight level of the ambient light intensity is searched；
Second backlight level adjustment unit, for being backlight more corresponding than the ambient light intensity etc. by current backlight level adjustment
The backlight level of the high setting grade of grade.
11. device according to claim 10, which is characterized in that the second backlight level adjustment unit is specifically used for:
If the corresponding backlight level of the ambient light intensity is than the current backlight higher grade, by current backlight level adjustment
For the backlight level of the high setting grade of backlight level more corresponding than the ambient light intensity.
12. device described in 0 or 11 according to claim 1, which is characterized in that the grade that sets is level-one.
13. a kind of mobile terminal, which is characterized in that the mobile terminal is integrated with the backlight as described in claim 7-12 is any
The device of control.
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