CN102869076A - Mobile-phone-based screen state control method and mobile phone employing same - Google Patents
Mobile-phone-based screen state control method and mobile phone employing same Download PDFInfo
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- CN102869076A CN102869076A CN201210300352XA CN201210300352A CN102869076A CN 102869076 A CN102869076 A CN 102869076A CN 201210300352X A CN201210300352X A CN 201210300352XA CN 201210300352 A CN201210300352 A CN 201210300352A CN 102869076 A CN102869076 A CN 102869076A
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Abstract
The invention relates to the field of mobile terminals, and discloses a mobile-phone-based screen state control method and a mobile phone employing the same. The method comprises the following steps that: when receiving an operational instruction of illuming a screen under a screen-closed state, the mobile phone acquires a luminance value of an image in front of the screen and judges whether the luminance value of the image is smaller than a preset threshold value; when the luminance value of the image is smaller than the preset threshold value, the operational instruction of illuming the screen is controlled not to be executed, and the screen-closed state is continually maintained; and when the luminance value of the image is greater than or equal to the preset threshold value, the operational instruction of illuming the screen is controlled to be executed, and the screen is illumined. By the method and the mobile phone, the screen of the mobile phone cannot be illumined accidently, the electric quantity of a battery of the mobile phone can be saved, and convenience is brought to a user.
Description
Technical field
The present invention relates to field of mobile terminals, in particular a kind of screen state control method and mobile phone based on mobile phone.
Background technology
Along with the upgrading of electronic product, function strengthens day by day, and the affairs that the user processes at mobile device are more and more.At present, the application of smart mobile phone is more and more, power consumption is also increasing, the user often complains that the cell phone standby time is short, wherein, the screen power consumption is a very large part, usually for power saving, in the situation that unnecessary people can turn off screen, for example listen to the music, when listening to the radio and when not using mobile phone, if but people are placed on mobile phone in the pocket or Bao Baoli, owing to can causing touching the solution locking key, the reasons such as collision light screen, cause unnecessary electric weight waste, even the misoperation touch-screen causes how beyond thought misoperation, caused the electric weight of battery in the situation that unnecessary being consumed.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the defects of prior art, a kind of screen state control method and mobile phone based on mobile phone is provided, can guarantee that mobile phone screen can not opened by accident, effectively saved cell-phone battery electric-charge quantity, provided users with the convenient.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of screen state control method based on mobile phone wherein, comprises step:
A, when mobile phone is in standby and screen and is in closed condition, detect whether receive the operational order of lighting screen;
B, when under the screen closed condition, receiving the operational order of lighting screen, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image less than a predetermined threshold;
C, when the brightness value of described image less than described predetermined threshold, then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.
Described screen state control method based on mobile phone, wherein, described steps A also comprises: when not receiving the operational order of lighting screen, mobile phone continues then that control is in standby and screen is in closed condition.
Described screen state control method based on mobile phone, wherein, what described step B was concrete comprises:
B1, when under the screen closed condition, receiving the operational order of lighting screen, its front-facing camera is opened in the control of described mobile phone;
B2, by front-facing camera picked-up screen the place ahead one two field picture, and analyze this image, obtain the brightness value of this image, and whether the brightness value of judging described image is less than a predetermined threshold.
Described screen state control method based on mobile phone, wherein, the brightness value that obtains this image among the described step B2 specifically comprises: obtain this image brightness value by the mean value of analyzing and calculate the brightness value of this each pixel of image.
Described screen state control method based on mobile phone, wherein, the brightness value of described this each pixel of image obtains by the monochrome information of the Y frame pixel in the YUV image, wherein YUV is a kind of colour coding method in the television system, Y represents luminance signal, and U and V respectively represent a kind of color difference components.
Described screen state control method based on mobile phone, wherein, described predetermined threshold is set to: the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%+ screen at night backlight closed the mean value of the brightness value of the image that absorbs in the situation * 95%.
A kind of employing is the mobile phone of screen state control method as mentioned above, wherein, comprising:
Receive and detection module, be used for when mobile phone is in standby and screen and is in closed condition, whether detection receives the operational order of lighting screen;
Obtain and judge module, be used for when receiving the operational order of lighting screen under the screen closed condition, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image is less than a predetermined threshold;
Control module, the brightness value that is used for working as described image are less than described predetermined threshold, and then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.
Described mobile phone, wherein, described obtaining with judge module further comprises:
Camera starts control unit, is used for when receiving the operational order of lighting screen under the screen closed condition, and its front-facing camera is opened in described mobile phone control;
Image acquisition unit is used for control by front-facing camera picked-up screen the place ahead one two field picture;
Image analyzing unit is used for obtaining this image brightness value by the mean value of analyzing and calculate the brightness value of this each pixel of image;
Judging unit is used for judging that whether the brightness value of described image is less than a predetermined threshold.
Described mobile phone, wherein, described control module further comprises:
The first control unit, the brightness value that is used for working as described image are less than described predetermined threshold, and then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition;
The second control unit is used for then controlling the operational order of execution point bright screen curtain and lighting described screen when described brightness value during more than or equal to described predetermined threshold
Described mobile phone, wherein, described predetermined threshold is set to: the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%+ screen at night backlight closed the mean value of the brightness value of the image that absorbs in the situation * 95%.
Screen state control method and mobile phone based on mobile phone provided by the present invention, owing to having adopted when under the screen closed condition, receiving the operational order of lighting screen, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image is less than a predetermined threshold; When the brightness value of described image less than described predetermined threshold, then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.The present invention is directed to the mobile phone with front-facing camera, proposing a kind of use camera and realize the judgement of mobile phone laying state, and then control the method whether screen state will be lighted, avoiding occuring the unnecessary action of lighting screen, saving the mobile phone electric weight.It makes mobile phone increase new function: can guarantee that mobile phone screen can not opened by accident, effectively save cell-phone battery electric-charge quantity, provide users with the convenient.
Description of drawings
Fig. 1 is a kind of mobile phone circuit structure block diagram with front-facing camera of implementing based on the screen state control method of mobile phone of the present invention.
Fig. 2 is the flow chart of the preferred embodiment of a kind of screen state control method based on mobile phone of the present invention.
Fig. 3 is the mobile phone decision flow chart of a kind of screen state control method Application Example based on mobile phone of the present invention.
Fig. 4 is the embodiment functional schematic block diagram of mobile phone of the present invention.
Fig. 5 is obtaining and judge module built-in function theory diagram of mobile phone embodiment of the present invention.
Fig. 6 is the control module built-in function theory diagram of mobile phone embodiment of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Screen state control method based on mobile phone provided by the present invention, described mobile phone is the mobile phone with front-facing camera, have the mobile phone hardware block diagram of front-facing camera as shown in Figure 1, comprise baseband processor, and the front-facing camera, the display screen that are connected with described baseband processor respectively.
See also Fig. 2, Fig. 2 is the flow chart of preferred embodiment that the present invention is based on the screen state control method of mobile phone.Described screen state control method based on mobile phone may further comprise the steps:
Step S110, when mobile phone is in standby and screen and is in closed condition, detect whether receive the operational order of lighting screen.
Step S120, when under the screen closed condition, receiving the operational order of lighting screen, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image less than a predetermined threshold.
Step S130, when the brightness value of described image less than described predetermined threshold, then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.
In the embodiment of the invention, during implementation, with reference to shown in Figure 3.
S10, be in and close when not lighting situation when mobile phone is in standby screen locking and screen;
Whether S11, regularly detection have user's operating handset, whether to detect the operational order of acceptance point bright screen curtain, enter step S12 when no, enter step S13 when being.
S12, hold mode are returned step S10; Namely ought not receive the operational order of lighting screen, mobile phone then continues control and is in standby and screen is in closed condition.
S13, by camera, judge whether mobile phone screen the place ahead has shelter, enters step S14 when no, light screen, when being, return step S10.
Namely when receiving the operational order of lighting screen under the screen closed condition, its front-facing camera is opened in described mobile phone control; By front-facing camera picked-up screen the place ahead one two field picture, and analyze this image, obtain the brightness value of this image, change to judge according to brightness degree whether mobile phone screen the place ahead has shelter (be user be placed in the pocket or judge then whether mobile phone screen the place ahead has shelter during Bao Baoli) to mobile phone.If judge screen the place ahead shelter is arranged, keep the screen closed condition.If judge screen the place ahead have no occluder, light screen.
Be placed on mobile phone in the pocket or Bao Baoli in order to solve the user among the present invention, light screen owing to the reasons such as collision can cause touching the solution locking key, cause the problem of unnecessary electric weight waste.In the specific implementation, adopt and to judge that brightness value that mobile phone obtains screen the place ahead image whether less than a predetermined threshold, judges whether mobile phone screen the place ahead has shelter.Namely when mobile phone screen the place ahead shelter is arranged, the image brightness of obtaining can be darker, and brightness value can be less than a predetermined threshold.
In the present embodiment, when specifically having judged whether shelter, adopt: when mobile phone is in the screen closed condition, light screen command if receive, start front-facing camera, absorb first a two field picture.
Analyze this two field picture by the mobile phone baseband processor, obtain ambient brightness information, if there is shelter (for example mobile phone is in pocket or bag) in screen the place ahead, the brightness value that pickup image comprises can be lower than certain value.
Obtain the image brightness value, this image brightness value reflects the current environment monochrome information indirectly, the described brightness value that obtains screen the place ahead image specifically: obtain this image brightness value by the mean value of analyzing and calculate the brightness value of this each pixel of image.For example, the brightness value of described this each pixel of image obtains by the monochrome information of the Y frame pixel in the YUV image, and wherein YUV is a kind of colour coding method in the television system, and Y represents luminance signal, and U and V respectively represent a kind of color difference components.
Then, whether judge brightness value less than predetermined threshold, wherein, described predetermined threshold is set to again: the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%+ screen at night backlight closed the mean value of the brightness value of the image that absorbs in the situation * 95%.Namely calculate first: the value of the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%, night screen the value of mean value of closing the brightness value of the image that absorbs in the situation backlight * 95%, again both summations are drawn described predetermined threshold.Below such brightness value, be one and can think dark situation.Wherein this predetermined threshold is to set in advance in the configuration file of portable terminal, also can be by according to circumstances self-defined setting of user.
If brightness value is less than described predetermined threshold, then not response point bright screen curtain instruction continues to keep the screen closed condition.The brightness value of namely working as described image is less than described predetermined threshold, and then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.
Therefore, the screen state control method based on mobile phone of the embodiment of the invention, it can guarantee that mobile phone screen can not opened by accident, has effectively saved cell-phone battery electric-charge quantity, provides users with the convenient.
Based on above-described embodiment, the embodiment of the invention also provides the as mentioned above mobile phone of screen state control method of a kind of employing, and as shown in Figure 4, described mobile phone comprises:
Receive and detection module 410, be used for when mobile phone is in standby and screen and is in closed condition, whether detection receives the operational order of lighting screen; Specifically as mentioned above.
Obtain and judge module 420, be used for when receiving the operational order of lighting screen under the screen closed condition, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image is less than a predetermined threshold, specifically as mentioned above.
Described mobile phone, as shown in Figure 5, described obtaining with judge module 420 further comprises:
Camera starts control unit 421, is used for when receiving the operational order of lighting screen under the screen closed condition, and its front-facing camera is opened in described mobile phone control; Specifically as mentioned above.
Image acquisition unit 422 is used for control by front-facing camera picked-up screen the place ahead one two field picture; Specifically as mentioned above.
Image analyzing unit 423 is used for obtaining this image brightness value by the mean value of analyzing and calculate the brightness value of this each pixel of image; Specifically as mentioned above.
Judging unit 424 is used for judging that whether the brightness value of described image is less than a predetermined threshold.
Wherein, as shown in Figure 6, described control module 430 further comprises:
The first control unit 431, the brightness value that is used for working as described image are less than described predetermined threshold, and then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition;
The second control unit 432 is used for then controlling the operational order of execution point bright screen curtain and lighting described screen when described brightness value during more than or equal to described predetermined threshold;
Wherein, described predetermined threshold is set to: the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%+ screen at night backlight closed the mean value of the brightness value of the image that absorbs in the situation * 95%.
In sum, screen state control method and mobile phone based on mobile phone provided by the present invention, owing to having adopted when under the screen closed condition, receiving the operational order of lighting screen, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image is less than a predetermined threshold; When the brightness value of described image less than described predetermined threshold, then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.The present invention is directed to the mobile phone with front-facing camera, proposing a kind of use camera and realize the judgement of mobile phone laying state, and then control the method whether screen state will be lighted, avoiding occuring the unnecessary action of lighting screen, saving mobile telephone power consumption.It makes mobile phone increase new function: can guarantee that mobile phone screen can not opened by accident, effectively save cell-phone battery electric-charge quantity, provide 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 conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the screen state control method based on mobile phone is characterized in that, comprises step:
A, when mobile phone is in standby and screen and is in closed condition, detect whether receive the operational order of lighting screen;
B, when under the screen closed condition, receiving the operational order of lighting screen, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image less than a predetermined threshold;
C, when the brightness value of described image less than described predetermined threshold, then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.
2. described screen state control method based on mobile phone according to claim 1 is characterized in that, described steps A also comprises: when not receiving the operational order of lighting screen, mobile phone continues then that control is in standby and screen is in closed condition.
3. described screen state control method based on mobile phone according to claim 1 is characterized in that, what described step B was concrete comprises:
B1, when under the screen closed condition, receiving the operational order of lighting screen, its front-facing camera is opened in the control of described mobile phone;
B2, by front-facing camera picked-up screen the place ahead one two field picture, and analyze this image, obtain the brightness value of this image, and whether the brightness value of judging described image is less than a predetermined threshold.
4. described screen state control method based on mobile phone according to claim 3, it is characterized in that, the brightness value that obtains this image among the described step B2 specifically comprises: obtain this image brightness value by the mean value of analyzing and calculate the brightness value of this each pixel of image.
5. described screen state control method based on mobile phone according to claim 4, it is characterized in that, the brightness value of described this each pixel of image obtains by the monochrome information of the Y frame pixel in the YUV image, wherein YUV is a kind of colour coding method in the television system, Y represents luminance signal, and U and V respectively represent a kind of color difference components.
6. described screen state control method based on mobile phone according to claim 1, it is characterized in that, described predetermined threshold is set to: the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%+ screen at night backlight closed the mean value of the brightness value of the image that absorbs in the situation * 95%.
7. a mobile phone that adopts each described screen state control method of claim 1-6 is characterized in that, comprising:
Receive and detection module, be used for when mobile phone is in standby and screen and is in closed condition, whether detection receives the operational order of lighting screen;
Obtain and judge module, be used for when receiving the operational order of lighting screen under the screen closed condition, described mobile phone obtains the brightness value of screen the place ahead image, and whether the brightness value of judging described image is less than a predetermined threshold;
Control module, the brightness value that is used for working as described image are less than described predetermined threshold, and then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition; When described brightness value during more than or equal to described predetermined threshold, then control the operational order of execution point bright screen curtain and light described screen.
8. mobile phone according to claim 7 is characterized in that, described obtaining with judge module further comprises:
Camera starts control unit, is used for when receiving the operational order of lighting screen under the screen closed condition, and its front-facing camera is opened in described mobile phone control;
Image acquisition unit is used for control by front-facing camera picked-up screen the place ahead one two field picture;
Image analyzing unit is used for obtaining this image brightness value by the mean value of analyzing and calculate the brightness value of this each pixel of image;
Judging unit is used for judging that whether the brightness value of described image is less than a predetermined threshold.
9. mobile phone according to claim 7 is characterized in that, described control module further comprises:
The first control unit, the brightness value that is used for working as described image are less than described predetermined threshold, and then controlling not, the operational order of execution point bright screen curtain continues to keep the screen closed condition;
The second control unit is used for then controlling the operational order of execution point bright screen curtain and lighting described screen when described brightness value during more than or equal to described predetermined threshold.
10. mobile phone according to claim 7 is characterized in that, described predetermined threshold is set to: the mean value of the brightness value of the image of outdoor picked-up on daytime * 5%+ screen at night backlight closed the mean value of the brightness value of the image that absorbs in the situation * 95%.
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| CN201210300352.XA CN102869076B (en) | 2012-08-22 | 2012-08-22 | A kind of screen state control method based on mobile phone and mobile phone |
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| CN201210300352.XA CN102869076B (en) | 2012-08-22 | 2012-08-22 | A kind of screen state control method based on mobile phone and mobile phone |
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| CN104102330A (en) * | 2013-04-03 | 2014-10-15 | 腾讯科技（深圳）有限公司 | Display screen control method, device and electronic equipment |
| CN105159590A (en) * | 2015-08-27 | 2015-12-16 | 广东欧珀移动通信有限公司 | Method for controlling screen of user terminal and user terminal |
| CN105224061A (en) * | 2015-07-31 | 2016-01-06 | 深圳市美贝壳科技有限公司 | A kind of dormancy method of electronic equipment and electronic equipment |
| CN105976769A (en) * | 2016-07-12 | 2016-09-28 | 武汉华星光电技术有限公司 | Liquid crystal display and method for reducing power consumption of liquid crystal display |
| CN106385490A (en) * | 2016-09-05 | 2017-02-08 | 上海斐讯数据通信技术有限公司 | Method and device for awakening mobile terminal and mobile terminal |
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| CN104102330A (en) * | 2013-04-03 | 2014-10-15 | 腾讯科技（深圳）有限公司 | Display screen control method, device and electronic equipment |
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