CN106251831A - A kind of screen display lightness regulating method based on ambient light and system - Google Patents
A kind of screen display lightness regulating method based on ambient light and system Download PDFInfo
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- CN106251831A CN106251831A CN201610713499.XA CN201610713499A CN106251831A CN 106251831 A CN106251831 A CN 106251831A CN 201610713499 A CN201610713499 A CN 201610713499A CN 106251831 A CN106251831 A CN 106251831A
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
Abstract
The invention discloses a kind of screen display lightness regulating method based on ambient light and system, described method includes: obtain current environment light intensity at interval of Preset Time terminal, and described current environment light intensity is converted to current flow signal；Obtain the current value of described current flow signal, and calculate the difference of described present current value and front primary current value；Difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value, according to the display brightness of preset difference value threshold value regulation screen.In the middle of the present invention, terminal unit is when the light intensity Rapid Variable Design of local environment, be adjusted according to a predetermined value by screen display brightness, it is to avoid the problem of screen flicker.Also avoid when ambient light intensity changes suddenly simultaneously, occur that screen intensity regulates the problem got muddled.
Description
Technical field
The present invention relates to intelligent terminal's technical field, particularly to a kind of screen display brightness regulation side based on ambient light
Method and system.
Background technology
Along with the development of mobile terminal technology, the use of the mobile terminals such as mobile phone is more and more universal.Due to mobile phone
Mobility, causes it to be used in the environment of different brightness, and ambient light intensity can often change, and therefore mobile terminal is bright
Degree is also required to change therewith to alleviate eyestrain when people watch display screen.In prior art, existing display backlight brightness
The technology changed along with ambient light intensity change, when i.e. ambient light is brighter, display backlight lightens, aobvious when ambient light is dark
Display screen backlight dims, thus alleviates eyestrain when user watches display screen.
But in existing pyonex, in the existing method according to ambient light regulation screen intensity, when ambient light is transient change
State time, brightness of display screen there will be flicker problem, brings constant to the use of user.
Thus prior art could be improved and improve.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, it is provided that a kind of screen based on ambient light
Curtain display lightness regulating method and system, can go out solving brightness of display screen present in existing screen display lightness regulating method
The problem now flashed.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is as follows:
A kind of screen display lightness regulating method based on ambient light, comprising:
Obtain current environment light intensity at interval of Preset Time terminal, and described current environment light intensity is converted to current flow
Signal；
Obtain the current value of described current flow signal, and calculate the difference of described present current value and front primary current value；
Difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value, according to preset difference value threshold
The display brightness of value regulation screen.
Described screen display lightness regulating method based on ambient light, wherein, described enters difference with preset difference value threshold value
Row compares, and when described difference is more than preset difference value threshold value, specifically wraps according to the display brightness of preset difference value threshold value regulation screen
Include:
The absolute value of described difference is compared with preset difference value threshold value；
When the absolute value of described difference is more than predetermined current threshold, obtain the positive and negative of described difference；
According to being that described difference is positive and negative and the display brightness of preset difference value threshold value regulation screen.
Described screen display lightness regulating method based on ambient light, wherein, described basis be described difference positive and negative and
The display brightness of preset difference value threshold value regulation screen specifically includes:
When described difference be on the occasion of time, according to described preset difference value threshold value heightening screen display brightness；
When described difference is negative value, according to described preset difference value threshold value turning down screen display brightness.
Described screen display lightness regulating method based on ambient light, wherein, described at interval of the acquisition of Preset Time terminal
Current environment light intensity, and described current environment light intensity is converted to current flow signal specifically includes:
Start the timer of configuration Preset Time；
Upon the timer expiry, terminal obtains current environment light intensity by the optical sensor arranged；
Described current environment light intensity is converted to current information.
Described screen display lightness regulating method based on ambient light, wherein, described acquisition described current flow signal
Current value, and the difference calculating described present current value and front primary current value specifically includes:
The present current value of its correspondence is determined according to described current information；
Calculate the difference of described present current value and front primary current value, and use present current value to update front primary current value.
A kind of screen display brightness based on ambient light regulation system, comprising:
Acquisition module, for obtaining current environment light intensity at interval of Preset Time terminal, and by described current environment light intensity
Be converted to current flow signal；
Computing module, for obtaining the current value of described current flow signal, and calculates described present current value and front once electricity
The difference of flow valuve；
Adjustment module, for difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value, root
Display brightness according to preset difference value threshold value regulation screen.
Described screen display brightness based on ambient light regulation system, wherein, described adjustment module specifically includes:
Comparing unit, for comparing the absolute value of described difference with preset difference value threshold value；
Acquiring unit, for when the absolute value of described difference is more than predetermined current threshold, obtaining the positive and negative of described difference；
Regulation unit, for according to being that described difference is positive and negative and the display brightness of preset difference value threshold value regulation screen.
Described screen display brightness based on ambient light regulation system, wherein, described regulation unit specifically includes:
First regulon unit, for when described difference be on the occasion of time, according to described preset difference value threshold value by screen display brightness
Heighten；
Second regulon unit, for when described difference is negative value, according to described preset difference value threshold value by screen display brightness
Turn down.
Described screen display brightness based on ambient light regulation system, wherein, described acquisition module specifically includes:
Start unit, for starting the timer of configuration Preset Time；
Acquiring unit, for upon the timer expiry, terminal obtains current environment light intensity by the optical sensor arranged；
Converting unit, for being converted to current information by described current environment light intensity.
Described screen display brightness based on ambient light regulation system, wherein, described computing module specifically includes:
Determine unit, for determining the present current value of its correspondence according to described current information；
Computing unit, for calculating the difference of described present current value and front primary current value, and uses present current value to update
Front primary current value.
Beneficial effect: compared with prior art, the invention provides the regulation of a kind of screen display brightness based on ambient light
Method and system, described method includes: obtain current environment light intensity at interval of Preset Time terminal, and by described current environment
Light intensity is converted to current flow signal；Obtain the current value of described current flow signal, and calculate described present current value with
The difference of front primary current value；Difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value,
Display brightness according to preset difference value threshold value regulation screen.In the middle of the present invention, terminal unit quickly becomes in the light intensity of local environment
During change, screen display brightness is adjusted according to a predetermined value, it is to avoid the problem of screen flicker.Also avoid working as environment simultaneously
When light intensity changes suddenly, occur that screen intensity regulates the problem got muddled.
Accompanying drawing explanation
The flow chart that Fig. 1 preferably implements for the screen display lightness regulating method based on ambient light that the present invention provides.
The structure principle chart based on ambient light regulation screen display brightness system that Fig. 2 provides for the present invention.
Detailed description of the invention
The present invention provides a kind of screen display lightness regulating method based on ambient light, for making the purpose of the present invention, technology
Scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should manage
Solving, specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to embodiments of the invention described herein such as can be to remove
Order beyond those that here illustrate or describe is implemented.Additionally, term " includes " and " having " and theirs is any
Deformation, it is intended that cover comprising not exclusively, such as, contain series of steps or the process of unit, method, system, product
Product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clearly listing or for this
Other step that a little processes, method, product or equipment are intrinsic or unit.
Terminal unit can be implemented in a variety of manners.Such as, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and consolidating of such as numeral TV, desk computer etc.
Determine terminal.However, it will be understood by those skilled in the art that, in addition to being used in particular for the element of mobile purpose, according to this
The structure of bright embodiment can also apply to the terminal of fixed type.
Below in conjunction with the accompanying drawings, by the description to embodiment, summary of the invention is described further.
Refer to the preferable enforcement of the screen display lightness regulating method based on ambient light that Fig. 1, Fig. 1 provide for the present invention
The flow chart of example.Described method includes:
S100, at interval of Preset Time terminal obtain current environment light intensity, and described current environment light intensity is converted to work as
Front current signal.
Specifically, described terminal unit is the terminal unit including ambient light intensity sensors, described at interval of time default
Between terminal obtain current environment light intensity refer to be obtained by default ambient light intensity sensors at interval of Preset Time terminal
Current environment light intensity.Described current environment light intensity is the intensity information of the environment that terminal is presently in.At the present embodiment
In, described at interval of Preset Time terminal acquisition current environment light intensity, and described current environment light intensity is converted to currently
Current signal specifically may include that
S101, the timer of startup configuration Preset Time；
S102, upon the timer expiry, terminal obtains current environment light intensity by the optical sensor arranged；
S103, described current environment light intensity is converted to current information.
In the variant embodiment of the present embodiment, described permissible at interval of Preset Time terminal acquisition current environment light intensity
It is to obtain the average environment light intensity in described Preset Time, say, that terminal obtains repeatedly ambient light in Preset Time
Intensity, obtains the current environment light intensity of Preset Time according to repeatedly ambient light intensity.It is specifically as follows:
Obtain an ambient light intensity at interval of presetting the first Preset Time terminal by the optical sensor arranged, and store described
Ambient light intensity；
Upon the timer expiry, described in acquisition, repeatedly the meansigma methods of ambient light intensity is designated as current environment light intensity；
Described current environment light intensity is converted to current signal.
Being worth explanation, after calculating current environment light intensity, emptied by the repeatedly ambient light intensity of storage, only storage is current
Ambient light intensity.Described Preset Time and the first Preset Time are the system default time.Described Preset Time is preset equal to first
Time obtains the product of number of times with ambient light intensity.Such as, Preset Time is 60 seconds, and the default very first time is 10 seconds, then root
May determine that according to Preset Time and the default very first time number of times obtaining ambient light intensity is 6 times.
In other variant embodiment of the present embodiment, the light intensity intermediate value of described ambient light intensity can also be according at this
In the section time, the average of light intensity large change determines, specifically, and can be by terminal unit local environment in this period
The average sum of light intensity minimum and light intensity large change, as light intensity intermediate value, is designated as current environment light intensity.Or,
Can using the difference of the light intensity peak of terminal unit local environment in this period and the average of light intensity large change as
Light intensity intermediate value, is designated as current environment light intensity.
S200, obtain the current value of described current flow signal, and calculate described present current value and front primary current value
Difference.
Specifically, after ambient light intensity is converted to current signal, obtain the current value of described current flow signal, and
Previous current value according to described present current value and storage obtains the changing value of electric current.Such as, by current environment light
Moment corresponding to intensity is designated as the T1 moment, the moment corresponding for previous secondary environment light intensity is designated as the T0 moment, works as front ring by described
Present current value corresponding to border light intensity is designated as I1, and current value corresponding for previous secondary environment light intensity is designated as I0, such basis
From the TO moment to the changing value of the electric current in T1 moment be Δ I=I1-I0.
In the present embodiment, obtain current variation value Δ I described, it is also possible to include one update step, itself particularly as follows:
Described present current value is updated to front primary current value.Thus, the current value of described acquisition described current flow signal, and count
The difference calculating described present current value and front primary current value can specifically include:
S201, determine the present current value of its correspondence according to described current information；
S202, calculate the difference of described present current value and front primary current value, and once electricity before using present current value to update
Flow valuve.
Specifically, only need to store previous current value in described mobile terminal and present current value stores described electricity
Stream, after getting difference, is updated to present current value front primary current value, and empties present current value.It thus is avoided that shifting
Dynamic tag memory storage current value is too much, and the waste of storage space caused.
S300, difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value, according in advance
If the display brightness of difference threshold regulation screen.
Specifically, described difference and preset difference value threshold value being compared refers to the absolute value of described difference with default
Difference threshold compares.Here, described preset difference value threshold value be pre-set for judging that curent change is the most excessive
Criterion, its be on the occasion of.Such as, obtain under home, photo-signal I1 detected during t1, the photoelectricity measured during t2
Stream signal I2, then the t2 moment compares electric current with reference on the basis of photoelectric current increment Delta I in t1 moment, and the most described Δ I is as in advance
If difference threshold.Photo-signal I3 detected as t3, photo-signal I detected during t4, then t4 moment and t3
Photoelectric current increment Delta I1 in moment, photoelectric current increment Delta I1 compares with photoelectric current increment Delta I, it is judged that ambient light intensity changes
Whether reach preset standard.
In the present embodiment, described difference is compared with preset difference value threshold value, when described difference is more than preset difference value
During threshold value, specifically may include that according to the display brightness of preset difference value threshold value regulation screen
S301, the absolute value of described difference is compared with preset difference value threshold value；
S302, when described difference absolute value more than predetermined current threshold time, obtain the positive and negative of described difference；
S303, according to being that described difference is positive and negative and the display brightness of preset difference value threshold value regulation screen.
Specifically, after when the absolute value of described difference is more than predetermined current threshold, it is judged that difference positive and negative, and then determine
Ambient light intensity is to become big or diminish, corresponding screen display brightness.Described basis is the positive and negative and default difference of described difference
Value threshold value regulation screen display brightness particularly as follows:
When described difference be on the occasion of time, according to described preset difference value threshold value heightening screen display brightness；
When described difference is negative value, according to described preset difference value threshold value turning down screen display brightness.
In actual applications, when described difference be on the occasion of time, illustrate that current value becomes big, current detecting unit sends a level
Signal is to central processing unit, and central processing unit, by calling the instruction of described level signal, makes intelligent mobile terminal backlight show
The driving electric current of unit increases, and drives the brightness of intelligent mobile terminal backlight display unit to brighten.
When described difference is negative value, illustrating that current value diminishes, current detecting unit sends a level signal to centre
Reason device, central processing unit, by calling the instruction of described level signal, makes the driving electricity of intelligent mobile terminal backlight display unit
Stream increases, and the brightness driving intelligent mobile terminal backlight display unit is dimmed.
Present invention also offers a kind of screen display brightness based on ambient light regulation system, as in figure 2 it is shown, comprising:
Acquisition module 100, for obtaining current environment light intensity at interval of Preset Time terminal, and by described current environment light intensity
Degree is converted to current flow signal；
Computing module 200, for obtaining the current value of described current flow signal, and calculate described present current value with front once
The difference of current value；
Adjustment module 300, for comparing difference with preset difference value threshold value, when described difference is more than preset difference value threshold value
Time, according to the display brightness of preset difference value threshold value regulation screen.
Described screen display brightness based on ambient light regulation system, wherein, described adjustment module specifically includes:
Comparing unit, for comparing the absolute value of described difference with preset difference value threshold value；
Acquiring unit, for when the absolute value of described difference is more than predetermined current threshold, obtaining the positive and negative of described difference；
Regulation unit, for according to being that described difference is positive and negative and the display brightness of preset difference value threshold value regulation screen.
Described screen display brightness based on ambient light regulation system, wherein, described regulation unit specifically includes:
First regulon unit, for when described difference be on the occasion of time, according to described preset difference value threshold value by screen display brightness
Heighten；
Second regulon unit, for when described difference is negative value, according to described preset difference value threshold value by screen display brightness
Turn down.
Described screen display brightness based on ambient light regulation system, wherein, described acquisition module specifically includes:
Start unit, for starting the timer of configuration Preset Time；
Acquiring unit, for upon the timer expiry, terminal obtains current environment light intensity by the optical sensor arranged；
Converting unit, for being converted to current information by described current environment light intensity.
Described screen display brightness based on ambient light regulation system, wherein, described computing module specifically includes:
Determine unit, for determining the present current value of its correspondence according to described current information；
Computing unit, for calculating the difference of described present current value and front primary current value, and uses present current value to update
Front primary current value.
The modules of the screen display brightness regulation system of above-mentioned ambient light intensity is the most specifically
Bright, state the most one by one.
In embodiment provided by the present invention, it should be understood that disclosed system and method, can be passed through other
Mode realizes.Such as, device embodiment described above is only schematically, such as, the division of described module, it is only
A kind of logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or
Person is desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed is mutual
Between coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication link
Connect, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit and realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the present invention each
The part steps of method described in embodiment.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. various
The medium of program code can be stored.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a screen display lightness regulating method based on ambient light, it is characterised in that comprising:
Obtain current environment light intensity at interval of Preset Time terminal, and described current environment light intensity is converted to current flow
Signal；
Obtain the current value of described current flow signal, and calculate the difference of described present current value and front primary current value；
Difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value, according to preset difference value threshold
The display brightness of value regulation screen.
Screen display lightness regulating method based on ambient light the most according to claim 1, it is characterised in that described by difference
Compare with preset difference value threshold value, when described difference is more than preset difference value threshold value, regulate screen according to preset difference value threshold value
Display brightness specifically include:
The absolute value of described difference is compared with preset difference value threshold value；
When the absolute value of described difference is more than predetermined current threshold, obtain the positive and negative of described difference；
According to being that described difference is positive and negative and the display brightness of preset difference value threshold value regulation screen.
Screen display lightness regulating method based on ambient light the most according to claim 2, it is characterised in that described basis is
Positive and negative and preset difference value threshold value regulation screen the display brightness of described difference specifically includes:
When described difference be on the occasion of time, according to described preset difference value threshold value heightening screen display brightness；
When described difference is negative value, according to described preset difference value threshold value turning down screen display brightness.
4. according to claim 1 screen based on ambient light display lightness regulating method, it is characterised in that described at interval of presetting
Time terminal obtains current environment light intensity, and described current environment light intensity is converted to current flow signal specifically includes:
Start the timer of configuration Preset Time；
Upon the timer expiry, terminal obtains current environment light intensity by the optical sensor arranged；
Described current environment light intensity is converted to current information.
5. according to claim 1 screen based on ambient light display lightness regulating method, it is characterised in that work as described in described acquisition
The current value of front current signal, and the difference calculating described present current value and front primary current value specifically includes:
The present current value of its correspondence is determined according to described current information；
Calculate the difference of described present current value and front primary current value, and use present current value to update front primary current value.
6. screen display brightness based on an ambient light regulation system, it is characterised in that comprising:
Acquisition module, for obtaining current environment light intensity at interval of Preset Time terminal, and by described current environment light intensity
Be converted to current flow signal；
Computing module, for obtaining the current value of described current flow signal, and calculates described present current value and front once electricity
The difference of flow valuve；
Adjustment module, for difference is compared with preset difference value threshold value, when described difference is more than preset difference value threshold value, root
Display brightness according to preset difference value threshold value regulation screen.
Screen display brightness based on ambient light regulation system the most according to claim 6, it is characterised in that described regulation mould
Block specifically includes:
Comparing unit, for comparing the absolute value of described difference with preset difference value threshold value；
Acquiring unit, for when the absolute value of described difference is more than predetermined current threshold, obtaining the positive and negative of described difference；
Regulation unit, for according to being that described difference is positive and negative and the display brightness of preset difference value threshold value regulation screen.
Screen display brightness based on ambient light regulation system the most according to claim 7, it is characterised in that described regulation list
Unit specifically includes:
First regulon unit, for when described difference be on the occasion of time, according to described preset difference value threshold value by screen display brightness
Heighten；
Second regulon unit, for when described difference is negative value, according to described preset difference value threshold value by screen display brightness
Turn down.
9. regulate system according to claim 6 screen based on ambient light display brightness, it is characterised in that described acquisition module has
Body includes:
Start unit, for starting the timer of configuration Preset Time；
Acquiring unit, for upon the timer expiry, terminal obtains current environment light intensity by the optical sensor arranged；
Converting unit, for being converted to current information by described current environment light intensity.
10. regulate system according to claim 6 screen based on ambient light display brightness, it is characterised in that described computing module
Specifically include:
Determine unit, for determining the present current value of its correspondence according to described current information；
Computing unit, for calculating the difference of described present current value and front primary current value, and uses present current value to update
Front primary current value.
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| CN106840121A (en) * | 2017-03-27 | 2017-06-13 | 青岛镭创光电技术有限公司 | level and control method |
| CN109558100A (en) * | 2018-10-12 | 2019-04-02 | 努比亚技术有限公司 | Adjusting method, terminal and the computer readable storage medium of screen display parameters |
| CN109830218A (en) * | 2019-03-24 | 2019-05-31 | 刘兴丹 | A kind of method, apparatus adjusting screen intensity |
| CN111131612A (en) * | 2019-12-20 | 2020-05-08 | 惠州Tcl移动通信有限公司 | Screen color temperature control method and device, storage medium and mobile terminal |
| CN111210792A (en) * | 2020-02-11 | 2020-05-29 | 北京小米移动软件有限公司 | Method and device for determining ambient light brightness, terminal and storage medium |
| CN112188691A (en) * | 2020-10-27 | 2021-01-05 | 泰华智慧产业集团股份有限公司 | Street lamp facility control method, device and system |
| CN112714216A (en) * | 2020-12-17 | 2021-04-27 | 宇龙计算机通信科技(深圳)有限公司 | Brightness adjusting method and device, storage medium and terminal |
| CN113056072A (en) * | 2021-03-25 | 2021-06-29 | 深圳市共进电子股份有限公司 | Light intensity control method and device for indicator lamp and indicator lamp |
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Application publication date: 20161221 |