CN104851414B - A kind of screen luminance adjustment method - Google Patents
A kind of screen luminance adjustment method Download PDFInfo
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- CN104851414B CN104851414B CN201510223283.0A CN201510223283A CN104851414B CN 104851414 B CN104851414 B CN 104851414B CN 201510223283 A CN201510223283 A CN 201510223283A CN 104851414 B CN104851414 B CN 104851414B
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Abstract
The invention discloses a kind of screen luminance adjustment method, comprise the following steps：S1, system select to set screen intensity Intelligent adjustment pattern to open or close according to user；If being arranged to open, into step S2；If being set off, manually set by user and adjust screen intensity；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 are tentatively adjusted according to internal resource state to screen intensity；S6, system extraction active user's local environment ambient parameter；S7, each ambient parameter of system comprehensive matching, screen intensity is adjusted.The present invention can allow user to select suitable screen intensity shaping modes according to actual conditions, can both select conventional manually regulation, can also be presently in environment in the case where not needing user intervention according to user and automatically adjust screen intensity.
Description
Technical field
The invention belongs to embedded software technology field, and in particular to a kind of design of screen luminance adjustment method.
Background technology
The strong and weak physical quantity of luminous object surface light emitting is referred to as brightness (luminance), is physically represented with L, unit
For candela every square metre (cd/m2).Brightness is to weigh the important indicator of plasma screen display luminous intensity, for screen
For display, high brightness also implies that plasma is higher for the antijamming capability of its working environment.Due to each luminous
The structure of unit is identical, and plasma screen display brightness is highly uniform --- without clear zone and dark space.General plasma
All in more than 500cd/m2, the picture of display is clearly gorgeous for the brightness of screen display, and some high-grade plasma screens are shown
Device brightness can reach more than 1000cd/m2.
The technology of screen display brilliance control at present can be divided into pseudo- dark technology and very dark technology.Pseudo- dark technology is typically using defeated
Go out black or grey picture and remain in power supply state to display, actually screen display.Very dark technology is used to screen
The mode that aobvious backlight is adjusted reaches the purpose of energy-conservation.It is generally only the ability under system idle condition in existing very dark technology
The regulation of screen display backlight is triggered, it controls the mode of triggering more single, is required for user to enter pedestrian in the case of remaining
Work intervention, the screen display brightness regulation demand on smart machine can not be met.
The content of the invention
The invention aims to solve the problems, such as that the mode of screen intensity control triggering in the prior art is more single,
Propose a kind of screen luminance adjustment method.
The technical scheme is that：A kind of screen luminance adjustment method, comprises the following steps：
S1, system select to set screen intensity Intelligent adjustment pattern to open or close according to user；If being arranged to open,
Then enter step S2；If being set off, manually set by user and adjust screen intensity；
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 are tentatively adjusted according to internal resource state to screen intensity；
S6, system extraction active user's local environment ambient parameter；
Each ambient parameter that S7, system comprehensive matching step S6 are obtained, accurate adjustment is carried out to screen intensity.
Further, step S3 is specially：
System was divided into several periods by 24 hours one day, and it is initial that each period is correspondingly arranged a screen intensity
Value, the period according to residing for current time can set corresponding screen intensity initial value.
Further, internal resource state is characterized with system physical internal memory utilization rate in step S4.
Further, step S5 is specially：
One physical memory utilization rate threshold values of default, adjusted if the physical memory utilization rate of system is higher than this threshold values
Screen intensity increases a setting value, otherwise adjusts screen intensity and reduces a setting value.
Further, the ambient parameter of active user's local environment includes the object movement of user's local environment in step S6
Situation and intensity of illumination.
Further, step S7 specifically include it is following step by step：
One S71, default time threshold simultaneously judge the object situation of movement in the time threshold, if there are objects moving
Then keep current screen brightness constant and enter step S72；Screen intensity is gradually reduced until screen is bright if being moved without object
Degree is zero, and regulation terminates；
S72, system set the corresponding relation of intensity of illumination and screen intensity, according to the intensity of illumination of user's local environment essence
Really regulation screen intensity.
The beneficial effects of the invention are as follows：The present invention can allow user to select suitable screen intensity to adjust according to actual conditions
Pattern, conventional manually regulation can be both selected, can also be current according to user in the case where not needing user intervention
Local environment automatically adjusts screen intensity.
Brief description of the drawings
Fig. 1 is a kind of screen luminance adjustment method flow chart provided by the invention.
Fig. 2 is step S7 of the present invention flow chart step by step.
Embodiment
Embodiments of the invention are further described below in conjunction with the accompanying drawings.
The present invention relates to the very dark control technology of screen display, a kind of screen luminance adjustment method, such as Fig. 1 are specifically provided
It is shown, comprise the following steps：
S1, system select to set screen intensity Intelligent adjustment pattern to open or close according to user；If being arranged to open,
Then enter step S2；If being set off, manually set by user and adjust screen intensity；
Wherein, system, which refers to, includes the screen display for possessing brightness control function, smart machine and various sensors
Soft and hardware system, such as part computer, smart mobile phone.
S2, system obtain current time；
S3, system set corresponding screen intensity initial value according to current time；
The step is specially：System was divided into several periods by 24 hours one day, and each period is correspondingly arranged one
Screen intensity initial value, the period according to residing for current time can set corresponding screen intensity initial value.
In the embodiment of the present invention, the screen intensity initial value and the corresponding relation of period that system is set are as shown in the table：
| Period | 00:00~07:00 | 07:00~19:00 | 19:00~24:00 |
| Screen intensity initial value | 300cd/m2 | 500cd/m2 | 400cd/m2 |
S4, system obtain internal resource state；
In the embodiment of the present invention, internal resource state is characterized with system physical internal memory utilization rate.
S5, system are tentatively adjusted according to internal resource state to screen intensity；
The step is specially：One physical memory utilization rate threshold values of default, if the physical memory utilization rate of system is high
Screen intensity is then adjusted in this threshold values and increases a setting value, is otherwise adjusted screen intensity and is reduced 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 high
In 60%, then the internal resource state of decision-making system is busy that now system can adjust screen intensity increase 50cd/m2；Conversely,
If the physical memory utilization rate of system is less than 60%, the internal resource state of decision-making system is the free time, and now system can be adjusted
Screen intensity reduces 50cd/m2。
S6, system extraction active user's local environment ambient parameter；
The ambient parameter of user's local environment includes the object situation of movement and intensity of illumination of user's local environment.
Each ambient parameter that S7, system comprehensive matching step S6 are obtained, accurate adjustment is carried out to screen intensity.
As shown in Fig. 2 the step specifically include it is following step by step：
One S71, default time threshold simultaneously judge the object situation of movement in the time threshold；
In the embodiment of the present invention, time threshold is set as 5min.
If system detectio is to there are objects moving in 5min, judge that user still carries out associative operation, system before screen
Keep current screen brightness constant and enter step S72.
If system does not detect that there are objects moving in 5min, judge that user has been moved off, system is gradually reduced screen
Curtain brightness is zero until screen intensity, and regulation terminates.
S72, system set the corresponding relation of intensity of illumination and screen intensity, according to the intensity of illumination of user's local environment essence
Really regulation screen intensity.
In the embodiment of the present invention, the corresponding relation of intensity of illumination and screen intensity is as follows
It is 500lx that system, which sets intensity of illumination standard value, and the intensity of illumination of user's local environment often increases relative to standard value
Add 5lx, system correspondingly adjusts screen intensity increase 1cd/m2；The intensity of illumination of user's local environment often reduces relative to standard value
5lx, system correspondingly adjust screen intensity and reduce 1cd/m2。
A kind of screen intensity provided by the invention is adjusted by taking the specific regulation process of a system screen brightness as an example below
Section method is further described：
S1, system select to set screen intensity Intelligent adjustment pattern to open according to user；
It is 16 that S2, system, which obtain current time,:30；
S3, system are 500cd/m according to current time setting screen brightness initial value2；
It is 63% that S4, system, which obtain internal physical memory utilization rate,；
S5, system judge internal resource state to be busy, and regulation screen intensity increases to 550cd/m2；
S6, system extraction active user's local environment ambient parameter；
The above-mentioned each ambient parameter of S7, system comprehensive matching, accurate adjustment is carried out to screen intensity, it is specific to adjust process such as
Under：
S71, default time threshold are 5min, detect that there are objects moving in the time threshold, then judge user
Associative operation is still carried out before screen, and it is 550cd/m that system, which keeps current screen brightness,2Constant and entrance step S72；
S72, system are according to the intensity of illumination accurate adjustment screen intensity of user's local environment：System in step s 6 before
The intensity of illumination of active user's local environment of extraction is 640lx, then system adjusts screen intensity increase according to the intensity of illumination
To 578cd/m2。
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
The specific deformation of kind and combination, these deform and combined still within the scope of the present invention.
Claims (3)
1. a kind of screen luminance adjustment method, it is characterised in that comprise the following steps：
S1, system select to set screen intensity Intelligent adjustment pattern to open or close according to user；If being arranged to open, enter
Enter step S2；If being set off, manually set by user and adjust screen intensity；
S2, system obtain current time；
S3, system set corresponding screen intensity initial value according to current time；
S4, system obtain internal resource state, and the internal resource state is characterized with system physical internal memory utilization rate；
S5, system are tentatively adjusted according to internal resource state to screen intensity；
S6, system extraction active user's local environment ambient parameter；
The ambient parameter of active user's local environment includes the object situation of movement and intensity of illumination of user's local environment；
Each ambient parameter that S7, system comprehensive matching step S6 are obtained, accurate adjustment is carried out to screen intensity；
The step specifically include it is following step by step：
One S71, default time threshold simultaneously judge the object situation of movement in the time threshold, are protected if there are objects moving
It is constant and enter step S72 to hold current screen brightness；Screen intensity is gradually reduced until screen intensity is if being moved without object
Zero, regulation terminates；
S72, system set the corresponding relation of intensity of illumination and screen intensity, are adjusted and shielded according to the intensity of illumination of user's local environment
Curtain brightness.
2. screen luminance adjustment method according to claim 1, it is characterised in that the step S3 is specially：
System was divided into several periods by 24 hours one day, and each period is correspondingly arranged a screen intensity initial value, root
Corresponding screen intensity initial value can be set according to the period residing for current time.
3. screen luminance adjustment method according to claim 1, it is characterised in that the step S5 is specially：
One physical memory utilization rate threshold values of default, screen is adjusted if the physical memory utilization rate of system is higher than this threshold values
Brightness increases a setting value, otherwise adjusts screen intensity and reduces a setting value.
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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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| CN104851414B true CN104851414B (en) | 2018-01-30 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106128415B (en) * | 2016-08-02 | 2019-06-28 | 北京小米移动软件有限公司 | Screen luminance adjustment 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 |
| CN106205557B (en) * | 2016-09-29 | 2019-08-02 | 北京小米移动软件有限公司 | Screen brightness regulation 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 |
| 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 |
| 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 |
| CN111369953A (en) * | 2018-12-25 | 2020-07-03 | 上海和辉光电有限公司 | Screen brightness adjusting method and device |
| 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 |
| 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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| CN2554718Y (en) * | 2002-06-21 | 2003-06-04 | 金宝电子工业股份有限公司 | Screen device with electric-saving and eye protection device |
| CN101241692A (en) * | 2007-02-08 | 2008-08-13 | 佛山市顺德区顺达电脑厂有限公司 | Power-saving control system and method for display panel |
| CN101453537B (en) * | 2007-12-05 | 2011-07-27 | 鹏智科技(深圳)有限公司 | Electronic photo frame having automatic circuit break function |
| CN101470999B (en) * | 2007-12-27 | 2010-12-22 | 纬创资通股份有限公司 | Digital photo frame with electricity-saving function and its correlated electricity-saving method |
| CN101502368B (en) * | 2008-02-04 | 2012-04-18 | 安国国际科技股份有限公司 | Digital photo frame with electricity-saving function and electricity-saving method thereof |
| CN101740001A (en) * | 2008-11-19 | 2010-06-16 | 康佳集团股份有限公司 | Device and method and mobile terminal for brightness adjustment, |
| CN102044234A (en) * | 2009-10-13 | 2011-05-04 | 致伸科技股份有限公司 | Image processing system with environment sensing function and image processing method |
| CN101916551A (en) * | 2010-08-24 | 2010-12-15 | 福建捷联电子有限公司 | Energy-saving display |
| CN103747329A (en) * | 2013-11-29 | 2014-04-23 | 乐视致新电子科技（天津）有限公司 | Television no-person state monitoring method and device |
| CN103943040A (en) * | 2014-04-30 | 2014-07-23 | 深圳市联建光电股份有限公司 | Advertisement machine and advertisement information display method |
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