CN105679252B - The quick method and system that backlight illumination is set - Google Patents
The quick method and system that backlight illumination is set Download PDFInfo
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- CN105679252B CN105679252B CN201610116052.4A CN201610116052A CN105679252B CN 105679252 B CN105679252 B CN 105679252B CN 201610116052 A CN201610116052 A CN 201610116052A CN 105679252 B CN105679252 B CN 105679252B
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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
- G09G3/3413—Details of control of colour illumination sources
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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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Abstract
The present invention provides a kind of method and system of quick setting backlight illumination, the described method includes receiving after screen backlight lights signal, the ambient light sensor with initial environment light measurement integration period is used to carry out ambient light detection；Wherein described initial environment light measurement integration period lights the consumed time less than screen backlight；According to the testing result that ambient light detects, ambient light intensity values are obtained；According to the ambient light intensity values, screen backlight lighting operation is carried out；After the screen backlight lighting operation, ambient light measurement integration period is revised as preset value from the initial environment light measurement integration period.The present invention also provides a kind of systems of quick setting backlight illumination.The present invention is by setting the initial environment light measurement integration period for being less than screen backlight and lighting the consumed time, it is quickly obtained ambient light intensity values, and screen backlight brightness is set according to ambient light intensity values, it solves in the prior art, the flicker problem generated due to adjustment screen backlight brightness after first screen is lighted.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of method and system of quick setting backlight illumination.
Background technology
Automatic backlight brightness regulation refers to bright according to the backlight of the brightness adjust automatically intelligent mobile terminal screen of ambient light
Degree so that the backlight illumination of screen and ambient light correlation turn down intelligent mobile terminal screen when that is, ambient light is dark
The backlight illumination of curtain heightens the backlight illumination of intelligent mobile terminal screen when ambient light is stronger, so as to improve human eye viewing
Comfort level, while can play the role of protecting eyesight.Automatic backlight brightness control function mainly by ambient light sensor come
It realizes, ambient light sensor detection ambient light conditions, and informs that intelligent mobile terminal equipment automatically adjusts screen backlight brightness.
But speed is lighted due to the screen of current intelligent mobile terminal and is getting faster, if user opens the automatic back of the body
Brightness regulatory function, Intelligent mobile equipment can not be informed by current environment light situation in time by being often present with ambient light sensor
Terminal, after screen is caused according to the ambient light conditions of historical record backlight illumination, screen need to be set to be lit, intelligent mobile is set
Standby terminal just receives the current environment light situation that ambient light sensor reports, and resets screen back light according to the ambient light
The problem of spending, being thus present with screen flicker influences human eye viewing comfort level.
It is therefore desirable to provide a kind of method of quick setting backlight illumination so that before intelligent mobile terminal screen is lit
Just set screen backlight brightness.
The content of the invention
The embodiment of the present invention provides a kind of method and system of quick setting backlight illumination, to solve in the prior art because of nothing
Method is the screen flicker generated before screen is lighted according to ambient light conditions adjust automatically screen intensity the problem of.
The embodiment of the present invention provides a kind of method of quick setting backlight illumination, the described method includes：
S1, receive after screen backlight lights signal, the ambient light with initial environment light measurement integration period is used to pass
Sensor carries out ambient light detection；Wherein described initial environment light measurement integration period is less than screen backlight when lighting consumed
Between；
S2, the testing result detected according to ambient light, obtain ambient light intensity values；
S3, according to the ambient light intensity values, carry out screen backlight lighting operation；And
After S4, the screen backlight lighting operation, ambient light measurement integration period is accumulated from the initial environment light measurement
The cycle is divided to be revised as preset value.
In the method for quick setting backlight illumination of the present invention, before S3 is performed, further include：Judge the environment
Whether light intensity value is more than setting value, if so, performing S3.
In the method for quick setting backlight illumination of the present invention, before S3 is performed, further include：Judge the environment
Whether light intensity value is more than setting value, if it is not, after then waiting preset time, then perform S1.
In the method for quick setting backlight illumination of the present invention, the preset value is more than the initial environment flash ranging
Measure integration period.
In the method for quick setting backlight illumination of the present invention, the initial environment light measurement integration period is
50ms。
The embodiment of the present invention also provides a kind of system of quick setting backlight illumination, the system comprises：
Setup module is run, for receiving after screen backlight lights signal, is integrated using with initial environment light measurement
The ambient light sensor in cycle carries out ambient light detection；Wherein described initial environment light measurement integration period is less than screen back luminous point
Bright the consumed time；
Computing module for the testing result detected according to ambient light, obtains ambient light intensity values；
Module is lighted, for according to the ambient light intensity values, carrying out screen backlight lighting operation；
Setup module, after the screen backlight lighting operation, by ambient light measurement integration period from the initial ring
Border light measurement integration period is revised as preset value.
In the system of quick setting backlight illumination of the present invention, the system also includes judgment module, for sentencing
Whether the ambient light intensity values of breaking are more than setting value, and module is lighted if so, enabling.
In the system of quick setting backlight illumination of the present invention, the judgment module is additionally operable to judge the environment
Whether light intensity value is more than preset value, if it is not, after then waiting preset time, calls operation setup module.
In the system of quick setting backlight illumination of the present invention, the preset value is more than the initial environment flash ranging
Measure integration period.
In the system of quick setting backlight illumination of the present invention, the initial environment light measurement integration period is
50ms。
Compared with prior art, the method for quick setting backlight illumination provided by the invention is less than screen by setting one
The initial environment light measurement integration period for the time that curtain backlight lightening is consumed so that before screen backlight is lighted, it is possible to obtain
The ambient light intensity values that ambient light sensor detects are obtained, and screen backlight lighting operation, solution are carried out according to the ambient light intensity values
Certainly in the prior art, the flicker problem generated when adjusting screen backlight brightness after first screen is lighted improves the comfortable of human eye viewing
Degree.
Description of the drawings
Fig. 1 is the flow chart of the first preferred embodiment of the method for the quick setting backlight illumination of the present invention；
Fig. 2 is the flow chart of the second preferred embodiment of the method for the quick setting backlight illumination of the present invention；
Fig. 3 is the structure chart of the first preferred embodiment of the system of the quick setting backlight illumination of the present invention；
Fig. 4 is the structure chart of the second preferred embodiment of the system of the quick setting backlight illumination of the present invention.
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below to required in embodiment
Attached drawing to be used is briefly described.The accompanying drawings in the following description is only the section Example of the present invention, general for this field
For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is refer to, Fig. 1 is the flow of the first preferred embodiment of the method for the quick setting backlight illumination of the present invention
Figure.The quick method for setting backlight illumination of this preferred embodiment includes：
S101, receive after screen backlight lights signal, use the ambient light with initial environment light measurement integration period
Sensor carries out ambient light detection；Wherein described initial environment light measurement integration period is less than screen backlight when lighting consumed
Between；
S102, the testing result detected according to ambient light, obtain ambient light intensity values；
S103, according to the ambient light intensity values, carry out screen backlight lighting operation；
After S104, the screen backlight lighting operation, by ambient light measurement integration period from the initial environment light measurement
Integration period is revised as preset value.
In S101 steps, screen backlight, which lights signal and refers to that user is pressed when Power buttons need to light screen, to be sent out
The signal sent；Initial environment light measurement integration period refers to obtaining an ambient light intensity values required time of integration；When connecing
It receives after screen backlight lights signal, ambient light sensor detection ambient light, and initial environment light measurement integration period is set, and
Initial environment light measurement integration period lights the consumed time less than screen backlight.
For example, the screen backlight of Intelligent mobile equipment lights the consumed time as 200ms, in order to can be in screen backlight
An ambient light intensity values are rapidly obtained before lighting, initial environment light measurement integration period is necessarily less than 200ms, in the present embodiment
In, initial environment light measurement integration period is preferably set up as 50ms, be may be alternatively provided as 25ms or 100ms certainly, is not done herein
It is specific to limit.
In S102 into S103 steps, according to the testing result that S101 steps ambient light detects, ambient light intensity values are obtained,
And according to the ambient light intensity values carry out screen backlight lighting operation, by set smaller initial environment light measurement integration period come
It is quickly obtained an ambient light intensity values, it is ensured that can screen backlight rapidly be set according to ambient light intensity values before screen is lighted
Brightness.
In S104 steps, after screen is lit, since ambient light measurement integration period is longer, ambient light sensor
For power consumption with regard to smaller, the ambient light intensity values of acquisition are also more accurate, therefore by ambient light measurement integration period from initial environment light measurement
Integration period is revised as preset value, and the preset value is bigger than initial environment light measurement integration period.
In the preferred embodiment, by setting initial environment light measurement integration period as 50ms, the initial environment flash ranging
Amount integration period lights consumed time 200ms less than screen backlight, so as to fulfill a ring is obtained before screen is lit
Border light intensity value, and according to the backlight illumination of ambient light intensity values setting screen, solve in the prior art, to adjust after lighting because of first screen
Whole screen backlight brightness and the screen flicker problem generated improve the comfort level of human eye viewing.
Fig. 2 is refer to, Fig. 2 is the flow of the second preferred embodiment of the method for the quick setting backlight illumination of the present invention
Figure.The quick method for setting backlight illumination of this preferred embodiment includes：
S201, receive after screen backlight lights signal, use the ambient light with initial environment light measurement integration period
Sensor carries out ambient light detection；Wherein described initial environment light measurement integration period is less than screen backlight when lighting consumed
Between；
S202, the testing result detected according to ambient light, obtain ambient light intensity values；
S203, judge whether ambient light intensity values are more than setting value, if so, S204 is performed, if it is not, then waiting preset time
Afterwards, then S201 is performed；
S204, according to the ambient light intensity values, carry out screen backlight lighting operation；
After S205, the screen backlight lighting operation, by ambient light measurement integration period from the initial environment light measurement
Integration period is revised as preset value.
In S201 steps, screen backlight, which lights signal and refers to that user is pressed when Power buttons need to light screen, to be sent out
The signal sent；Initial environment light measurement integration period refers to obtaining an ambient light intensity values required time of integration；When connecing
It receives after screen backlight lights signal, ambient light sensor detection ambient light, and initial environment light measurement integration period is set, and
Initial environment light measurement integration period lights the consumed time less than screen backlight.
Such as the screen backlight of Intelligent mobile equipment lights the consumed time as 200ms, in order to can be in screen backlight
An ambient light intensity values are rapidly obtained before lighting, initial environment light measurement integration period is necessarily less than 200ms, in the present embodiment
In, initial environment light measurement integration period is preferably set up as 50ms, be may be alternatively provided as 25ms or 100ms certainly, is not done herein
It is specific to limit.
In S202 steps, according to the testing result that S201 steps ambient light detects, ambient light intensity values are obtained.
In S203 steps, the ambient light intensity values obtained in S202 steps are judged, judge the environmental light intensity obtained
Whether value is virtual value.Under normal circumstances, in firm initialization operation, the ambient light intensity values of acquisition are often ambient light sensor
0, it is invalid ambient light intensity values, in order to ensure getting an effective ambient light intensity values, it is necessary to ambient light to acquisition
Intensity values are judged, if the ambient light intensity values obtained are more than setting value, such as setting value is set as 0, then illustrates the environmental light intensity
It is worth for virtual value, screen backlight lighting operation can be carried out according to the ambient light intensity values, that is, perform S204；If the ambient light obtained
Intensity values are less than or equal to setting value 0, then illustrate that the ambient light intensity values for invalid value, after needing to wait for preset time at this time, then are held
Row S201.
In S204 steps, after S203 judges obtained ambient light intensity values as the virtual value more than setting value, according to
The ambient light intensity values carry out screen backlight lighting operation, by the way that smaller initial environment light measurement integration period is set quickly to obtain
An ambient light intensity values are obtained, meanwhile, judge whether obtained ambient light intensity values are effective by S203 steps, it is ensured that in screen point
Can screen backlight brightness rapidly be set according to effective ambient light intensity values before bright.
In S205 steps, after screen is lit, since ambient light measurement integration period is longer, ambient light sensor
For power consumption with regard to smaller, the ambient light intensity values of acquisition are also more accurate, therefore by ambient light measurement integration period from initial environment light measurement
Integration period is revised as preset value, and the preset value is bigger than initial environment light measurement integration period.
In the preferred embodiment, by setting initial environment light measurement integration period as 50ms, the initial environment flash ranging
Amount integration period lights consumed time 200ms less than screen backlight, so as to fulfill a ring is obtained before screen is lit
Border light intensity value；Meanwhile judge whether the ambient light intensity values obtained by S202 steps are effective by S203 steps, it is ensured that obtain one
A effective ambient light intensity values, and screen backlight lighting operation is carried out according to the effective ambient light intensity values, solve the prior art
In, the screen flicker problem that generates when screen backlight brightness is adjusted after first screen is lighted improves the comfort level of human eye viewing.
Fig. 3 is refer to, Fig. 3 is the structure of the first preferred embodiment of the system of the quick setting backlight illumination of the present invention
Figure.The quick system for setting backlight illumination of this preferred embodiment includes operation setup module 301, computing module 302, lights mould
Block 303 and setup module 304.
Setup module 301 is run, for receiving after screen backlight lights signal, is accumulated using with initial environment light measurement
The ambient light sensor in cycle is divided to carry out ambient light detection；Wherein initial environment light measurement integration period is lighted less than screen backlight
The time consumed；
Computing module 302 for the testing result detected according to ambient light, obtains ambient light intensity values；
Module 303 is lighted, for according to ambient light intensity values, carrying out screen backlight lighting operation；
Setup module 304, after screen backlight lighting operation, by ambient light measurement integration period from the initial environment
Light measurement integration period is revised as preset value.
In setup module 301 is run, screen backlight lights signal and refers to that user presses Power buttons needs and lights screen
The signal sent during curtain；When initial environment light measurement integration period refers to obtaining an ambient light intensity values required integration
Between；After operation setup module 301, which receives screen backlight, lights signal, ambient light sensor starts to detect ambient light, simultaneously
Initial environment light measurement integration period is set, and when initial environment light measurement integration period is less than screen backlight and lights consumed
Between.
For example, the screen backlight of Intelligent mobile equipment lights the consumed time as 200ms, in order to can be in screen backlight
An ambient light intensity values are rapidly obtained before lighting, initial environment light measurement integration period is necessarily less than 200ms, in the present embodiment
In, initial environment light measurement integration period is preferably set up as 50ms, be may be alternatively provided as 25ms or 100ms certainly, is not done herein
It is specific to limit.
In computing module 302, the detection knot of the ambient light sensor detection ambient light in operation setup module 301
Fruit, computing module 302 calculate ambient light intensity values.
In module 303 is lighted, the ambient light intensity values obtained are calculated according to computing module 302, module 303 is lighted and is shielded
Curtain backlight lightening operation, so as to light screen.
In setup module 304, since ambient light measurement integration period is longer, the power consumption of ambient light sensor is smaller, obtains
Environment bright angle value it is more accurate, therefore after screen is lit, setup module 304 need to by ambient light measurement integration period from
Initial environment light measurement integration period is revised as preset value, and the preset value is bigger than initial environment light measurement integration period.
The first preferred embodiment of system in this preferred embodiment and the foregoing quick method for setting backlight illumination is
Based on two aspects under same inventive concept, method implementation process is described in detail in front, so ability
The structure and implementation process of the system in this implementation can be well understood in field technique personnel according to foregoing description, in order to illustrate book
Succinctly, details are not described herein again.
Fig. 4 is refer to, Fig. 4 is the structure of the second preferred embodiment of the system of the quick setting backlight illumination of the present invention
Figure.The quick system for setting backlight illumination of this preferred embodiment includes operation setup module 401, computing module 402, judges mould
Block 403 lights module 404 and setup module 405.
Setup module 401 is run, for receiving after screen backlight lights signal, is accumulated using with initial environment light measurement
The ambient light sensor in cycle is divided to carry out ambient light detection；Wherein initial environment light measurement integration period is lighted less than screen backlight
The time consumed；
Computing module 402 for the testing result detected according to ambient light, obtains ambient light intensity values；
For judging whether the ambient light intensity values obtained are more than setting value, mould is lighted if so, enabling for judgment module 403
Block 404 if it is not, after then waiting preset time, calls operation setup module 401.
Module 404 is lighted, for according to ambient light intensity values, carrying out screen backlight lighting operation；
Setup module 405, after screen backlight lighting operation, by ambient light measurement integration period from the initial environment
Light measurement integration period is revised as preset value.
In setup module 401 is run, screen backlight lights signal and refers to that user presses Power buttons needs and lights screen
The signal sent during curtain；When initial environment light measurement integration period refers to obtaining an ambient light intensity values required integration
Between；After operation setup module 401, which receives screen backlight, lights signal, ambient light sensor starts to detect ambient light, simultaneously
Initial environment light measurement integration period is set, and when initial environment light measurement integration period is less than screen backlight and lights consumed
Between.
For example, the screen backlight of Intelligent mobile equipment lights the consumed time as 200ms, in order to can be in screen backlight
An ambient light intensity values are rapidly obtained before lighting, initial environment light measurement integration period is necessarily less than 200ms, in the present embodiment
In, initial environment light measurement integration period is preferably set up as 50ms, be may be alternatively provided as 25ms or 100ms certainly, is not done herein
It is specific to limit.
In computing module 402, the detection knot of the ambient light sensor detection ambient light in operation setup module 401
Fruit, computing module 402 calculate ambient light intensity values.
In judgment module 403, judgment module 403 is used to judging whether is ambient light intensity values that computing module 402 calculates
More than setting value, module 404 is lighted if so, enabling, if it is not, after then waiting preset time, calls operation setup module 401.
In module 404 is lighted, ambient light intensity values are judged after the virtual value more than setting value by judgment module 403,
According to the effective ambient light intensity values, light module 404 and carry out screen backlight lighting operation, so as to light screen.
In setup module 405, since ambient light measurement integration period is longer, the power consumption of ambient light sensor with regard to smaller,
The environment bright angle value of acquisition is also more accurate, therefore after screen is lit, ambient light measurement need to be integrated week by setup module 405
Phase is revised as preset value from initial environment light measurement integration period, and the preset value is bigger than initial environment light measurement integration period.
It, below will for example bright the present embodiment in order to further more meticulously illustrate the content of this preferred embodiment.
For example, screen backlight lights the consumed time as 200ms, judge that the whether effective setting value of ambient light intensity values is
0.When user presses mobile phone power buttons, operation setup module 401 is received after screen backlight lights signal, and ambient light passes
Sensor starts to detect ambient light, and performs initialization function and the initial environment light measurement in initialization function is set to integrate
Cycle is 50ms.
Computing module 402 calculates currently according to ambient light testing result and initial environment light measurement integration period 50ms
Ambient light intensity values；The judgment module 403 judges whether current ambient light intensity values are more than setting value, if so, the ambient light
Intensity values are virtual value, if it is not, then the ambient light intensity values are invalid value.
When it is 100 that computing module 402, which calculates current ambient light intensity values, since ambient light intensity values 100 are more than setting
Value 0 so judgment module 403 judges ambient light intensity values 100 for virtual value, lights module 404 according to the effective environmental light intensity
Value 100 carries out screen backlight lighting operation, and so as to light screen, after screen is lit, setup module 405 accumulates ambient light measurement
The cycle is divided to be revised as preset value 200ms from initial environment light measurement integration period 50ms.
When it is 0 that computing module 402, which calculates current ambient light intensity values, since ambient light intensity values 0 are not more than setting value
0, so judgment module 403 judges ambient light intensity values 0 for invalid value, after needing to wait for preset time 20ms at this time, operation is called to set
Module 401 is put, the ambient light sensor run in setup module 401 carries out second of ambient light detection.
Computing module 402 is calculated according to second of ambient light testing result and initial environment light measurement integration period 50ms
The ambient light intensity values gone out at this time are 60, since ambient light intensity values 60 at this time are more than setting value 0, so judgment module 403 judges
Current ambient light intensity values 60 are virtual value, light module 404 and carry out screen back luminous point according to the effective ambient light intensity values 60
Bright operation, so as to light screen, after screen is lit, setup module 405 is by ambient light measurement integration period from initial environment light
Measurement integration period 50ms is revised as preset value 200ms.
It only provides in this example and once judges cycle explanation, in practical operation, the environmental light intensity that is calculated for the second time
Value is possible to still invalid value, second of progress, third time or more judgement is needed to cycle at this time, until obtaining one
Until effective ambient light intensity values.
Second preferred embodiment of system in this preferred embodiment and the foregoing quick method for setting backlight illumination is
Based on two aspects under same inventive concept, method implementation process is described in detail in front, so ability
The structure and implementation process of the system in this implementation can be well understood in field technique personnel according to foregoing description, in order to illustrate book
Succinctly, details are not described herein again.
In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit
The system present invention, those of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Decorations, therefore protection scope of the present invention is subject to the scope that claim defines.
Claims (8)
- A kind of 1. method of quick setting backlight illumination, which is characterized in that the described method includes：S1, receive after screen backlight lights signal, initial environment light measurement integration period is set, using with the initial ring The ambient light sensor of border light measurement integration period carries out ambient light detection so that before screen backlight is lighted, obtains the ring The ambient light intensity values that border optical sensor detects；Wherein described initial environment light measurement integration period lights institute less than screen backlight The time of consumption, when the initial environment light measurement integration period refers to obtaining an ambient light intensity values required integration Between；S2, the testing result detected according to ambient light, obtain ambient light intensity values；S3, according to the ambient light intensity values, carry out screen backlight lighting operation, including：It is set and shielded according to the ambient light intensity values Curtain backlight illumination so that the backlight illumination of screen and ambient light correlation；AndAfter S4, the screen backlight lighting operation, ambient light measurement integration period is integrated into week from the initial environment light measurement Phase is revised as preset value, and the preset value is more than the initial environment light measurement integration period.
- 2. the method for quick setting backlight illumination according to claim 1, which is characterized in that before S3 is performed, further include： Judge whether the ambient light intensity values are more than setting value, if so, performing S3.
- 3. the method for quick setting backlight illumination according to claim 1, which is characterized in that before S3 is performed, further include： Judge whether the ambient light intensity values are more than setting value, if it is not, after then waiting preset time, then perform S1.
- 4. the quick method that backlight illumination is set according to any one in claims 1 to 3, which is characterized in that described Initial environment light measurement integration period is 50ms.
- 5. a kind of system of quick setting backlight illumination, which is characterized in that the system comprises：Setup module is run, for receiving after screen backlight lights signal, initial environment light measurement integration period is set, is used Ambient light sensor with the initial environment light measurement integration period carries out ambient light detection so that is lighted in screen backlight Before, obtain the ambient light intensity values that the ambient light sensor detects；Wherein described initial environment light measurement integration period is less than Screen backlight is lighted the consumed time, and the initial environment light measurement integration period refers to obtaining an ambient light intensity values institute The time of integration needed；Computing module for the testing result detected according to ambient light, obtains ambient light intensity values；Module is lighted, for according to the ambient light intensity values, carrying out screen backlight lighting operation, including：According to the ambient light Intensity values set screen backlight brightness so that the backlight illumination of screen and ambient light correlation；Setup module, after the screen backlight lighting operation, by ambient light measurement integration period from the initial environment light Measurement integration period is revised as preset value, and the preset value is more than the initial environment light measurement integration period.
- 6. the system of quick setting backlight illumination according to claim 5, which is characterized in that the system also includes judgements For judging whether the ambient light intensity values are more than setting value, module is lighted if so, enabling for module.
- 7. the system of quick setting backlight illumination according to claim 6, which is characterized in that the judgment module is additionally operable to Judge whether the ambient light intensity values are more than preset value, if it is not, after then waiting preset time, call operation setup module.
- 8. the quick system that backlight illumination is set according to any one in claim 5 to 7, which is characterized in that described Initial environment light measurement integration period is 50ms.
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| US20210063575A1 (en) * | 2019-08-29 | 2021-03-04 | Kabushiki Kaisha Toshiba | Distance measuring device, distance measuring method, and speed measuring device |
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| CN105933550A (en) * | 2016-07-08 | 2016-09-07 | 深圳市万普拉斯科技有限公司 | Brightness adjustment method, brightness adjustment device and mobile terminal |
| CN106851802B (en) * | 2017-02-03 | 2019-09-17 | Oppo广东移动通信有限公司 | Adjust the method and mobile terminal of the poll rate of dynamic thresholding algorithm |
| CN107580117A (en) * | 2017-08-29 | 2018-01-12 | 北京小米移动软件有限公司 | Control method of electronic device and device |
| CN108200279B (en) * | 2017-12-28 | 2020-09-08 | 北京小米移动软件有限公司 | Backlight adjusting method, device and equipment |
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