CN104158966A - Automatic backlight brightness adjustment method and system - Google Patents
Automatic backlight brightness adjustment method and system Download PDFInfo
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- CN104158966A CN104158966A CN201410388372.6A CN201410388372A CN104158966A CN 104158966 A CN104158966 A CN 104158966A CN 201410388372 A CN201410388372 A CN 201410388372A CN 104158966 A CN104158966 A CN 104158966A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an automatic backlight brightness adjustment method and system. The automatic backlight brightness adjustment method comprises the following steps: a mobile terminal acquires a current environment light intensity value of every other timeout and adjusts the backlight brightness of the mobile terminal according to the current environment light intensity value; the absolute value of the difference value between the current environment light intensity value and the environment light intensity value obtained before the timeout is computed, and if the absolute value is greater than a preset threshold value, the timeout for acquiring the current environment light intensity value next time is set according to a corresponding function relationship between the absolute value and the timeout. According to the invention, the problem that the backlight brightness is adjusted repeatedly because the light intensity of the surrounding environment of the mobile terminal continuously changes is solved, so that the electrical energy saving effect is truly realized, and great convenience is brought to a user.
Description
Technical field
The present invention relates to communications applications field, in particular the self-adjusting method and system of a kind of backlight illumination.
Background technology
Mobile terminal extensively adopts by light sensors mobile terminal surrounding environment luminous intensity at present, thereby automatically adjusts backlight brightness according to ambient light intensity, reaches and not only economizes on electricity but also make the clearly visible object of screen display content.
Yet, there is defect in this method: when in environment, luminous intensity is with frequency change faster (the window limit of the train going at express speed as being sitting in etc.), the backlight illumination of mobile terminal will be adjusted repeatedly, makes user feel that screen intensity is changing always, and not only economize on electricity does not also cause inconvenience to the user.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide the self-adjusting method and system of a kind of backlight illumination, can determine the time-out time that changes brightness of backlight according to the ambient light intensity of adjacent twice collection, thereby solve the problem that mobile terminal causes that in illumination complex environment brightness of backlight constantly changes.
Technical scheme of the present invention is as follows:
The self-adjusting method of backlight illumination, wherein, comprises step:
A, mobile terminal obtain current environment light intensity value one time every a time-out time, and regulate described backlight brightness according to this environment intensity level;
The absolute value of the difference of the ambient light intensity value of obtaining before B, calculating current environment light intensity value and time-out time, if this absolute value is greater than pre-set threshold value, according to this absolute value functional relation corresponding with time-out time, a time-out time that obtains current environment light intensity value next time is set.
The self-adjusting method of described backlight illumination, wherein, also comprises before described steps A:
A timer that time-out time is variable is set in mobile terminal, and the time-out time functional relation corresponding with ambient light intensity value of described timer is set, and a pre-set threshold value.
The self-adjusting method of described backlight illumination, wherein, described steps A is specially:
Described mobile terminal is according to the ambient light intensity that passes through the current surrounding environment of light sensors mobile terminal of the timeout interval of set timer, acquisition for mobile terminal light sensors to light intensity value and according to this environment intensity level, regulate described backlight brightness.
The self-adjusting method of described backlight illumination, wherein, described step B also comprises:
If when the absolute value of the difference of the ambient light intensity value that current environment light intensity value and time-out time obtained last time is less than or equal to described pre-set threshold value, it is fixed value that time-out time is set.
The self-adjusting method of described backlight illumination, wherein, described step B is specially:
The ambient light intensity value that the ambient light intensity value of B1, the current surrounding environment of acquisition for mobile terminal and mobile terminal obtained last time, mobile terminal calculates the difference of the ambient light intensity value of obtaining for twice, and gets the absolute value of this difference;
B2, the absolute value obtaining and pre-set threshold value are compared, if this absolute value is greater than pre-set threshold value, a time-out time that obtains current environment light intensity value next time is set according to this absolute value functional relation corresponding with time-out time;
B3, the absolute value obtaining and pre-set threshold value are compared, if this absolute value is less than or equal to pre-set threshold value, it is fixed value that the time-out time that obtains current environment light intensity value next time is set.
The self-adjusting method of described backlight illumination, wherein, the absolute value of the difference of the ambient light intensity value that described current environment light intensity value and time-out time obtained last time and the functional relation that time-out time should meet direct ratio.
Based on above-mentioned backlight illumination, self-adjusting method the present invention also provides a kind of backlight illumination self-adjusting system, and it comprises:
Acquisition module, for obtaining mobile terminal current environment light intensity value one time every a time-out time;
Adjustment module, is connected with backlight of mobile terminal lamp, for regulating described backlight brightness according to this environment intensity level;
Control module, be connected with described acquisition module with described adjustment module respectively, for calculating the absolute value of the difference of the ambient light intensity value of obtaining before mobile terminal current environment light intensity value and time-out time, by this absolute value and pre-set threshold value contrast, a time-out time that obtains current environment light intensity value next time is set according to this absolute value functional relation corresponding with time-out time.
The self-adjusting system of described backlight illumination, wherein said control module also comprises:
Pre-set unit, for the time-out time functional relation corresponding with ambient light intensity value is set at mobile terminal, and a pre-set threshold value.
Timer, for triggering the ambient light intensity value of described acquisition module collection mobile terminal surrounding environment every a time-out time;
Set timer module, is connected with described timer, for the concrete numerical value of the time-out time of timer is set.
The self-adjusting system of described backlight illumination, wherein said control module also comprises:
Acquisition module, is connected with described acquisition module, the ambient light intensity value collecting for obtaining described acquisition module;
Module is set, is connected with described adjustment module, for the brightness of backlight of mobile terminal is set according to ambient light intensity.
The self-adjusting system of described backlight illumination, wherein, absolute value and time-out time that described functional relation should meet the difference of the ambient light intensity value that current environment light intensity value and time-out time obtained last time are direct ratio functional relation.
The self-adjusting method and system of a kind of backlight illumination provided by the present invention, owing to having adopted the changeable timer of time-out time, mobile terminal can be determined the time-out time of adjusting brightness of backlight according to the adjacent twice ambient light intensity value gathering.The problem that when the invention solves the ambient light intensity of mobile terminal in surrounding environment and constantly changing, backlight is adjusted repeatedly, thus the effect that reaches electrical energy saving truly provides users with the convenient.
Accompanying drawing explanation
Fig. 1 is the flow chart of self-adjusting method the first preferred embodiment of backlight illumination in the present invention.
Fig. 2 is the flow chart of self-adjusting method the second preferred embodiment of backlight illumination in the present invention.
Fig. 3 is the module map of the self-adjusting system of backlight illumination in the present invention.
Fig. 4 is that the control module of the self-adjusting system of backlight illumination in the present invention forms module map.
Embodiment
The invention provides the self-adjusting method and system of a kind of backlight illumination, for making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of self-adjusting method of backlight illumination, its step comprises:
S100, mobile terminal obtain current environment light intensity value one time every a time-out time, and regulate backlight brightness according to this environment intensity level;
Be mobile terminal according to the ambient light intensity that passes through light sensors mobile terminal surrounding environment of the timeout interval of set timer, the light intensity value that acquisition for mobile terminal light sensors arrives also regulates backlight brightness according to this environment intensity level.
The absolute value of the difference of the ambient light intensity value of obtaining before S200, calculating current environment light intensity value and time-out time, if this absolute value is greater than pre-set threshold value, according to this absolute value functional relation corresponding with time-out time, a time-out time that obtains current environment light intensity value next time is set.
Be the ambient light intensity value of the current surrounding environment of acquisition for mobile terminal and the ambient light intensity value that mobile terminal obtained last time, mobile terminal calculates the difference of the ambient light intensity value of obtaining for twice, and gets the absolute value of this difference; The absolute value obtaining and pre-set threshold value are compared, if this absolute value is greater than pre-set threshold value, a time-out time that obtains current environment light intensity value next time is set according to this absolute value functional relation corresponding with time-out time.
Further, the absolute value obtaining and pre-set threshold value are compared, if this absolute value is less than or equal to pre-set threshold value, it is fixed value that the time-out time that obtains current environment light intensity value next time is set.
Further, a timer that time-out time is variable is set be also included in mobile terminal before step S100 in, and the time-out time functional relation corresponding with ambient light intensity value of described timer is set, and a pre-set threshold value.
The absolute value of the difference of the ambient light intensity value that further, the current environment light intensity value of above-mentioned acquisition for mobile terminal and time-out time obtained last time and the functional relation that time-out time should meet direct ratio.
By specific embodiment, the present invention is described in further detail below, as shown in Figure 2:
S301, variable t juxtaposition T1 is set, variable x1, x2 zero setting are set;
When initial, timer is set, and by fixed value T1 of set timer; Ambient light intensity value x1, x2 are set, and x1, x2 initial value are set to zero.
S302, the time-out time that timer is set are T1;
S303, judge that whether timer is overtime, if perform step S304, to continue waiting timer if not overtime;
S304, obtain ambient light intensity x1, backlight lamp control module arranges backlight illumination according to x1;
The optical sensor of mobile terminal obtains mobile terminal current environment light intensity value of living in x1, and according to this ambient light intensity value x1, backlight illumination is set.
S305, time calculating unit are according to x=|x1-x2| t computing time;
Get the ambient light intensity value x2 that current environment light intensity value and last time gather, calculate the absolute value x of two luminous intensity value differences, if when absolute value x is less than or equal to pre-set threshold value, t=T1; If absolute value x is greater than pre-set threshold value, t=F(x), function F (x) increases along with the increase of x, along with reducing of x, reduces.
S306, by x1 assignment to x2;
Be about to current environment light intensity value as the poor object of asking of the light intensity value gathering next time.
S307, the time-out time that timer is set are t.
The invention provides a kind of self-adjusting method of backlight illumination, can solve the continuous controlled problem of backlight illumination that mobile terminal causes when ambient light intensity constantly changes, provide users with the convenient.
Based on above-mentioned backlight illumination, self-adjusting method the present invention also provides a kind of backlight illumination self-adjusting system, and as shown in Figure 3, it comprises:
Acquisition module 410, for obtaining mobile terminal current environment light intensity value one time every a time-out time; As detailed above.
Adjustment module 420, is connected with backlight of mobile terminal lamp, for regulating described backlight brightness according to this environment intensity level; As detailed above.
Control module 430, be connected with acquisition module 420 with adjustment module 410 respectively, for calculating the absolute value of the difference of the ambient light intensity value of obtaining before mobile terminal current environment light intensity value and time-out time, by this absolute value and pre-set threshold value contrast, a time-out time that obtains current environment light intensity value next time is set according to this absolute value functional relation corresponding with time-out time; As detailed above.
The self-adjusting system of above-mentioned backlight illumination, as shown in Figure 4, wherein control module 430 also comprises:
Pre-set unit 431, for the time-out time functional relation corresponding with ambient light intensity value is set at mobile terminal, and a pre-set threshold value; As detailed above.
Timer 432, for gathering the ambient light intensity value of mobile terminal surrounding environment every a time-out time triggering collection module 410; As detailed above.
Set timer module 433, is connected with described timer, for the concrete numerical value of the time-out time of timer is set; As detailed above.
The self-adjusting system of described backlight illumination, wherein said control module 430 also comprises:
Acquisition module 434, is connected the ambient light intensity value collecting for obtaining acquisition module 410 with above-mentioned acquisition module 410; As detailed above.
Module 435 is set, is connected with adjustment module 420, for the brightness of backlight of mobile terminal is set according to ambient light intensity; As detailed above.
The self-adjusting system of above-mentioned backlight illumination, wherein, absolute value and time-out time that above-mentioned functional relation should meet the difference of the ambient light intensity value that current environment light intensity value and time-out time obtained last time are direct ratio functional relation; As detailed above.
In sum, the self-adjusting method and system of a kind of backlight illumination provided by the present invention, system can be determined the time-out time of adjusting brightness of backlight according to the adjacent twice ambient light intensity value gathering, the problem that when the invention solves the ambient light intensity of mobile terminal in surrounding environment and constantly changing, backlight illumination is adjusted repeatedly, thereby the effect that reaches electrical energy saving truly, provides users with the convenient.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and for example, all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the self-adjusting method of backlight illumination, is characterized in that, described method comprises:
A, mobile terminal obtain current environment light intensity value one time every a time-out time, and regulate described backlight brightness according to this environment intensity level;
The absolute value of the difference of the ambient light intensity value of obtaining before B, calculating current environment light intensity value and time-out time, if this absolute value is greater than pre-set threshold value, according to this absolute value functional relation corresponding with time-out time, a time-out time that obtains current environment light intensity value next time is set.
2. the self-adjusting method of backlight illumination according to claim 1, is characterized in that, before described steps A, also comprises:
A timer that time-out time is variable is set in mobile terminal, and the time-out time functional relation corresponding with ambient light intensity value of described timer is set, and a pre-set threshold value.
3. the self-adjusting method of backlight illumination according to claim 2, is characterized in that, described steps A is specially:
Described mobile terminal is according to the time-out time of set timer, the ambient light intensity that passes through the current surrounding environment of light sensors mobile terminal of intermittent, acquisition for mobile terminal light sensors to light intensity value and according to this environment intensity level, regulate described backlight brightness.
4. the self-adjusting method of backlight illumination according to claim 1, is characterized in that, described step B also comprises:
If when the absolute value of the difference of the ambient light intensity value that current environment light intensity value and time-out time obtained last time is less than or equal to described pre-set threshold value, it is fixed value that time-out time is set.
5. the self-adjusting method of backlight illumination according to claim 1, is characterized in that, described step B is specially:
The ambient light intensity value that the ambient light intensity value of B1, the current surrounding environment of acquisition for mobile terminal and mobile terminal obtained last time, mobile terminal calculates the difference of the ambient light intensity value of obtaining for twice, and gets the absolute value of this difference;
B2, the absolute value obtaining and pre-set threshold value are compared, if this absolute value is greater than pre-set threshold value, a time-out time that obtains current environment light intensity value next time is set according to this absolute value functional relation corresponding with time-out time;
B3, the absolute value obtaining and pre-set threshold value are compared, if this absolute value is less than or equal to pre-set threshold value, it is fixed value that the time-out time that obtains current environment light intensity value next time is set.
6. the self-adjusting method of backlight illumination according to claim 5, is characterized in that, the absolute value of the difference of the ambient light intensity value that described current environment light intensity value and time-out time obtained last time and the functional relation that time-out time should meet direct ratio.
7. the self-adjusting system of backlight illumination, is characterized in that, it comprises:
Acquisition module, for obtaining mobile terminal current environment light intensity value one time every a time-out time;
Adjustment module, for regulating described backlight brightness according to this environment intensity level;
Control module, for calculating the absolute value of the difference of the ambient light intensity value of obtaining before mobile terminal current environment light intensity value and time-out time, by this absolute value and pre-set threshold value contrast, a time-out time that obtains current environment light intensity value next time is set according to this absolute value functional relation corresponding with time-out time.
8. the self-adjusting system of backlight illumination according to claim 7, is characterized in that, wherein said control module also comprises:
Pre-set unit, for the time-out time functional relation corresponding with ambient light intensity value is set at mobile terminal, and a pre-set threshold value;
Timer, for triggering the ambient light intensity value of described acquisition module collection mobile terminal surrounding environment every a time-out time;
Set timer module, for arranging the concrete numerical value of the time-out time of timer.
9. the self-adjusting system of backlight illumination according to claim 7, is characterized in that, wherein said control module also comprises:
Acquisition module, the ambient light intensity value collecting for obtaining described acquisition module;
Module is set, for the brightness of backlight of mobile terminal is set according to ambient light intensity.
10. the self-adjusting system of backlight illumination according to claim 8, it is characterized in that, absolute value and time-out time that described functional relation should meet the difference of the ambient light intensity value that current environment light intensity value and time-out time obtained last time are direct ratio functional relation.
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| CN201410388372.6A CN104158966B (en) | 2014-08-08 | 2014-08-08 | A kind of method and system of backlight illumination adjust automatically |
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| CN201410388372.6A CN104158966B (en) | 2014-08-08 | 2014-08-08 | A kind of method and system of backlight illumination adjust automatically |
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| CN108574768A (en) * | 2017-03-09 | 2018-09-25 | 上海传英信息技术有限公司 | A kind of method, system and mobile terminal adjusting backlight illumination based on environment light detection |
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| CN105573502B (en) * | 2015-12-25 | 2019-01-29 | 惠州Tcl移动通信有限公司 | A kind of closedown method and its system of mobile terminal |
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| CN108269552B (en) * | 2015-12-29 | 2020-05-05 | Oppo广东移动通信有限公司 | Screen brightness adjusting method, mobile terminal and medium product |
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| CN106875922B (en) * | 2017-03-17 | 2021-03-30 | 深圳Tcl数字技术有限公司 | Display brightness adjusting method and device for display terminal |
| CN107493640A (en) * | 2017-08-21 | 2017-12-19 | 上海肇观电子科技有限公司 | A kind of method and apparatus to destination object prompt message |
| CN107493640B (en) * | 2017-08-21 | 2019-07-05 | 上海肇观电子科技有限公司 | A kind of method and apparatus to target object prompt information |
| CN109104569A (en) * | 2018-08-27 | 2018-12-28 | 惠州Tcl移动通信有限公司 | Processing method, mobile terminal and storage medium is arranged in camera preview image parameter |
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