CN104851414A - Screen brightness adjustment method - Google Patents
Screen brightness adjustment method Download PDFInfo
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- CN104851414A CN104851414A CN201510223283.0A CN201510223283A CN104851414A CN 104851414 A CN104851414 A CN 104851414A CN 201510223283 A CN201510223283 A CN 201510223283A CN 104851414 A CN104851414 A CN 104851414A
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Abstract
The invention discloses a screen brightness adjustment method, which comprises the following steps of S1, setting the brightness intelligent adjustment mode of a screen to be turned on or off by a system according to the user selection; if the brightness intelligent adjustment mode of the screen is turned on, conducting the step S2; if the brightness intelligent adjustment mode of the screen is turned off, manually setting and adjusting the brightness of the screen by a user; S2, acquiring the current time by the system; S3, setting the brightness initial value of the screen according to the current time by the system; S4, acquiring the internal resource state thereof by the system itself; S5, preliminarily adjusting the brightness of the screen by the system according to the internal resource state; S6, extracting the environment parameters of the current user environment by the system; S7, comprehensively matching all the environment parameters by the system so as to realize the brightness adjustment of the screen. According to the technical scheme of the invention, an appropriate screen brightness adjustment mode can be selected by the user according to the actual situation. Meanwhile, not only the conventional manual adjustment is enabled, but also the brightness automatic adjustment of the screen is realized according to the current environment of the user without the manual intervention.
Description
Technical field
The invention belongs to embedded software technology field, be specifically related to a kind of design of screen luminance adjustment method.
Background technology
The physical quantity of luminous object surface light emitting power is called brightness (luminance), physically represents with L, and unit is candela every square metre (cd/m2).Brightness is the important indicator weighing plasma screen display luminous intensity, and for screen display, high brightness also just means that plasma is higher for the antijamming capability of its working environment.Because the structure of each luminescence unit is identical, plasma screen display brightness is very even---there is no clear zone and dark space.The brightness of general plasma screen display is all at more than 500cd/m2, and the picture of display is clear gorgeous, and the plasma screen display brightness of some top grade can reach more than 1000cd/m2.
Current screen display brilliance control technology can be divided into pseudo-dark technology and very dark technology.Pseudo-dark technology generally adopts output black or grey picture to display, and in fact screen display is still in power supply state.Very dark technology adopts and reaches energy-conservation object to the mode that screen display backlight regulates.Usually under system idles state, the adjustment of screen display backlight is just just triggered in existing very dark technology, its mode controlling to trigger is comparatively single, all need user to carry out manual intervention in all the other situations, the screen display brightness regulation demand on smart machine cannot be met.
Summary of the invention
The object of the invention is, in order to solve the comparatively single problem of mode that screen intensity in prior art controls to trigger, to propose a kind of screen luminance adjustment method.
Technical scheme of the present invention is: a kind of screen luminance adjustment method, comprises the following steps:
S1, system are selected to arrange screen intensity Intelligent adjustment pattern for opening or closing according to user; Open if be set to, then enter step S2; Close if be set to, then manually arranged and adjusting screen brightness by user;
S2, system obtain current time;
S3, system set corresponding screen intensity initial value according to current time;
S4, system obtain internal resource state;
S5, system tentatively regulate screen intensity according to internal resource state;
S6, system extract the environmental parameter of environment residing for active user;
Each environmental parameter that S7, system synthesis coupling step S6 obtains, carries out fine adjustment to screen intensity.
Further, step S3 is specially:
System was divided into several time periods by one day 24 hours, and each time period correspondence arranges a screen intensity initial value, and residing for current time, the time period can set corresponding screen intensity initial value.
Further, in step S4, internal resource state system physical internal memory utilization rate characterizes.
Further, step S5 is specially:
Default physical memory utilization rate threshold values, if the physical memory utilization rate of system is higher than this threshold values, adjusting screen brightness increases a setting value, otherwise adjusting screen brightness reduces a setting value.
Further, in step S6, the environmental parameter of environment residing for active user comprises object situation of movement and the intensity of illumination of environment residing for user.
Further, step S7 specifically comprises step by step following:
S71, default time threshold values judge the object situation of movement in this time threshold values, if there are objects moving, keep current screen brightness constant and enter step S72; If move without object, reduce screen intensity gradually until screen intensity is zero, regulate and terminate;
The corresponding relation of S72, Operation system setting intensity of illumination and screen intensity, the intensity of illumination fine adjustment screen intensity of environment residing for user.
The invention has the beneficial effects as follows: the present invention can allow user select suitable screen intensity shaping modes according to actual conditions, both conventional adjustment manually can have been selected, also can when not needing user intervention, the automatic adjusting screen brightness of environment residing for current according to user.
Accompanying drawing explanation
Fig. 1 is a kind of screen luminance adjustment method process flow diagram provided by the invention.
Fig. 2 is the process flow diagram step by step of step S7 of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
The present invention relates to the very dark control technology of screen display, specifically provide a kind of screen luminance adjustment method, as shown in Figure 1, comprise the following steps:
S1, system are selected to arrange screen intensity Intelligent adjustment pattern for opening or closing according to user; Open if be set to, then enter step S2; Close if be set to, then manually arranged and adjusting screen brightness by user;
Wherein, system refers to include the soft and hardware system of screen display, smart machine and the various sensor possessing brightness control function, as part computer, smart mobile phone etc.
S2, system obtain current time;
S3, system set corresponding screen intensity initial value according to current time;
This step is specially: system was divided into several time periods by one day 24 hours, and each time period correspondence arranges a screen intensity initial value, and residing for current time, the time period can set corresponding screen intensity initial value.
In the embodiment of the present invention, screen intensity initial value and the corresponding relation of time period of Operation system setting are as shown in the table:
| Time period | 00:00～07:00 | 07:00～19:00 | 19:00～24:00 |
| Screen intensity initial value | 300cd/m 2 | 500cd/m 2 | 400cd/m 2 |
S4, system obtain internal resource state;
In the embodiment of the present invention, internal resource state system physical internal memory utilization rate characterizes.
S5, system tentatively regulate screen intensity according to internal resource state;
This step is specially: default physical memory utilization rate threshold values, if the physical memory utilization rate of system is higher than this threshold values, adjusting screen brightness increases a setting value, otherwise adjusting screen brightness reduces a setting value.
In the embodiment of the present invention, physical memory utilization rate threshold value setting is 60%.If the physical memory utilization rate of system is higher than 60%, then the internal resource state of decision-making system is busy, and now system adjusting screen brightness can increase 50cd/m
2; Otherwise if the physical memory utilization rate of system is lower than 60%, then the internal resource state of decision-making system is idle, now system adjusting screen brightness can reduce 50cd/m
2.
S6, system extract the environmental parameter of environment residing for active user;
The environmental parameter of environment residing for user comprises object situation of movement and the intensity of illumination of environment residing for user.
Each environmental parameter that S7, system synthesis coupling step S6 obtains, carries out fine adjustment to screen intensity.
As shown in Figure 2, this step specifically comprises step by step following:
S71, default time threshold values judge the object situation of movement in this time threshold values;
In the embodiment of the present invention, time threshold values is set as 5min.
If systems axiol-ogy is to there are objects moving in 5min, then judge that user still carries out associative operation before screen, system keeps current screen brightness constant and enters step S72.
If system does not detect that there are objects moving in 5min, then judge that user leaves, system reduces screen intensity gradually until screen intensity is zero, regulates and terminates.
The corresponding relation of S72, Operation system setting intensity of illumination and screen intensity, the intensity of illumination fine adjustment screen intensity of environment residing for user.
In the embodiment of the present invention, the corresponding relation of intensity of illumination and screen intensity is as follows
Operation system setting intensity of illumination standard value is 500lx, and residing for user, the intensity of illumination of environment often increases 5lx relative to standard value, and the corresponding adjusting screen brightness of system increases 1cd/m
2; Residing for user, the intensity of illumination of environment often reduces 5lx relative to standard value, and the corresponding adjusting screen brightness of system reduces 1cd/m
2.
For the concrete adjustment process of a system screen brightness, a kind of screen luminance adjustment method provided by the invention is further described below:
S1, system are selected to arrange screen intensity Intelligent adjustment pattern for opening according to user;
It is 16:30 that S2, system obtain current time;
S3, system are 500cd/m according to current time setting screen brightness initial value
2;
It is 63% that S4, system obtain internal physical memory utilization rate;
S5, system judge that internal resource state is as busy, and adjusting screen brightness increases to 550cd/m
2;
S6, system extract the environmental parameter of environment residing for active user;
The above-mentioned each environmental parameter of S7, system synthesis coupling, carry out fine adjustment to screen intensity, concrete adjustment process is as follows:
S71, default time threshold values are 5min, in this time threshold values, detect that there are objects moving, then judge that user still carries out associative operation before screen, system keeps current screen brightness to be 550cd/m
2constant and enter step S72;
The intensity of illumination fine adjustment screen intensity of S72, system environment residing for user: residing for the active user of system extraction in step s 6 before, the intensity of illumination of environment is 640lx, then system increases to 578cd/m according to this intensity of illumination adjusting screen brightness
2.
Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (6)
1. a screen luminance adjustment method, is characterized in that, comprises the following steps:
S1, system are selected to arrange screen intensity Intelligent adjustment pattern for opening or closing according to user; Open if be set to, then enter step S2; Close if be set to, then manually arranged and adjusting screen brightness by user;
S2, system obtain current time;
S3, system set corresponding screen intensity initial value according to current time;
S4, system obtain internal resource state;
S5, system tentatively regulate screen intensity according to internal resource state;
S6, system extract the environmental parameter of environment residing for active user;
Each environmental parameter that S7, system synthesis coupling step S6 obtains, carries out fine adjustment to screen intensity.
2. screen luminance adjustment method according to claim 1, is characterized in that, described step S3 is specially:
System was divided into several time periods by one day 24 hours, and each time period correspondence arranges a screen intensity initial value, and residing for current time, the time period can set corresponding screen intensity initial value.
3. screen luminance adjustment method according to claim 1, is characterized in that, in described step S4, internal resource state system physical internal memory utilization rate characterizes.
4., according to the arbitrary described screen luminance adjustment method of claim 1,3, it is characterized in that, described step S5 is specially:
Default physical memory utilization rate threshold values, if the physical memory utilization rate of system is higher than this threshold values, adjusting screen brightness increases a setting value, otherwise adjusting screen brightness reduces a setting value.
5. screen luminance adjustment method according to claim 1, is characterized in that, in described step S6, the environmental parameter of environment residing for active user comprises object situation of movement and the intensity of illumination of environment residing for user.
6. the screen luminance adjustment method according to claim 1,5, is characterized in that, described step S7 specifically comprises step by step following:
S71, default time threshold values judge the object situation of movement in this time threshold values, if there are objects moving, keep current screen brightness constant and enter step S72; If move without object, reduce screen intensity gradually until screen intensity is zero, regulate and terminate;
The corresponding relation of S72, Operation system setting intensity of illumination and screen intensity, the intensity of illumination adjusting screen brightness of environment residing for user.
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| CN201510223283.0A CN104851414B (en) | 2015-05-05 | 2015-05-05 | A kind of screen luminance adjustment method |
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| CN201510223283.0A CN104851414B (en) | 2015-05-05 | 2015-05-05 | A kind of screen luminance adjustment method |
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| CN104851414A true CN104851414A (en) | 2015-08-19 |
| CN104851414B CN104851414B (en) | 2018-01-30 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105282334A (en) * | 2015-10-10 | 2016-01-27 | 上海斐讯数据通信技术有限公司 | Mobile terminal and method for adjusting screen brightness of mobile terminal |
| CN106128415A (en) * | 2016-08-02 | 2016-11-16 | 北京小米移动软件有限公司 | Screen luminance adjustment method and device |
| CN106205557A (en) * | 2016-09-29 | 2016-12-07 | 北京小米移动软件有限公司 | Screen brightness regulation method and device |
| CN106200435A (en) * | 2016-08-18 | 2016-12-07 | 广州市迪士普音响科技有限公司 | The wisdom of wisdom platform and artificial compatible control method and system |
| CN106548765A (en) * | 2017-01-12 | 2017-03-29 | 广东欧珀移动通信有限公司 | Screen luminance adjustment method and device |
| CN106851170A (en) * | 2016-12-23 | 2017-06-13 | 维沃移动通信有限公司 | A kind of video calling processing method and mobile terminal |
| CN108962192A (en) * | 2018-08-08 | 2018-12-07 | 歌尔科技有限公司 | Screen luminance adjustment method, intelligent wearable device and storage medium |
| CN109461398A (en) * | 2018-11-12 | 2019-03-12 | 武汉华星光电半导体显示技术有限公司 | Display screen automatic brightness adjustment system and display screen automatic brightness adjustment method |
| CN109727589A (en) * | 2019-01-02 | 2019-05-07 | 京东方科技集团股份有限公司 | Adjust the method, apparatus, display equipment and storage medium of display brightness |
| CN111369953A (en) * | 2018-12-25 | 2020-07-03 | 上海和辉光电有限公司 | Screen brightness adjusting method and device |
| CN111741166A (en) * | 2020-06-30 | 2020-10-02 | 北京奇艺世纪科技有限公司 | Screen brightness adjusting system, method and device |
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| CN108962192A (en) * | 2018-08-08 | 2018-12-07 | 歌尔科技有限公司 | Screen luminance adjustment method, intelligent wearable device and storage medium |
| CN109461398A (en) * | 2018-11-12 | 2019-03-12 | 武汉华星光电半导体显示技术有限公司 | Display screen automatic brightness adjustment system and display screen automatic brightness adjustment method |
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