CN104064163B - The control method and device of a kind of brightness of display screen - Google Patents
The control method and device of a kind of brightness of display screen Download PDFInfo
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- CN104064163B CN104064163B CN201410288958.5A CN201410288958A CN104064163B CN 104064163 B CN104064163 B CN 104064163B CN 201410288958 A CN201410288958 A CN 201410288958A CN 104064163 B CN104064163 B CN 104064163B
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Abstract
The invention provides a kind of control method of brightness of display screen and control device, the control method, including：Judge whether display screen is in picture dispaly state, if it is, obtaining the corresponding brightness of display picture；According to the brightness of the display picture, brightness of display screen is adjusted.Because the brightness of display picture can be impacted to the brightness of display screen, when display picture is bright face, the brightness of display screen can be improved, so, now on the premise of normal display effect is not influenceed, the brightness of display screen can be reduced.Thus this brightness based on display picture is come the method for control display screen brightness, in the case where not influenceing normal use, advantageously reduces display screen by showing consumed electricity.
Description
Technical field
The present invention relates to the control method and device in display screen display control field, more particularly to a kind of brightness of display screen.
Background technology
With the development of science and technology, the display device with display screen turns into part indispensable during people live.
These equipment with display screen include mobile phone, TV, computer etc..
These display devices can consume substantial amounts of electricity in display, and in order to save electricity, existing display screen can root
According to the brightness of the brightness adjust automatically display screen of external environment.When external environment brightness is big, display screen uses larger brightness,
External environment brightness hour, display screen uses less brightness.
But this mode does not account for influence of the brightness of display picture to brightness of display screen in itself.For example, making
In the case of same screen brightness and identical ambient brightness, the small display picture of the big display picture specific luminance of brightness is dazzling,
That is, the big display picture of brightness makes screen intensity bigger, so, on the premise of normal use is met, when display picture
, can be using the relatively low brightness of display screen, to reduce the power consumption of display device when the brightness in face is larger.
The content of the invention
In view of this, the present inventor is when adjusting brightness of display screen, it is contemplated that the brightness of display picture is to display
Shield the influence of brightness, the first aspect of the present invention provides a kind of side of the brilliance control brightness of display screen based on display picture
Method, to reduce the power consumption of display device.
The second aspect of the present invention provides a kind of device of the brilliance control brightness of display screen based on display picture.
In order to reach foregoing invention purpose, present invention employs following technical scheme：
A kind of control method of brightness of display screen, including：
Judge whether display screen is in picture dispaly state, if it is, obtaining the corresponding brightness of display picture；According to described
The brightness of display picture, adjusts brightness of display screen.
Preferably, the brightness according to the display picture, adjusts brightness of display screen, specifically includes：
Whether according to the brightness of the display picture, it is bright face to judge the display picture, if if it is, display screen work as
Preceding brightness is that system sets brightness, reduces the brightness of display screen；
Wherein, the bright face is that the brightness sum of all pixels point in display picture is more than the display picture of predetermined luminance
Face.
Preferably, it is described to judge whether the display picture is bright face, in addition to：If if not, display screen is current bright
Degree is not that system sets brightness, and present intensity to the system for adjusting display screen sets brightness.
Preferably, after the brightness according to the display picture, adjustment brightness of display screen, in addition to：
Judge whether display screen exits picture dispaly state, if if it is, the present intensity of the display screen is not system
Brightness is set, and present intensity to the system for adjusting the display screen sets brightness.
Preferably, when the display picture content is RGB data, the corresponding brightness of the acquisition display picture is specifically led to
Below equation is crossed to obtain：
Brightness=0.299* red value+0.587* green value+0.114* blue valves.
Preferably, the corresponding brightness of the acquisition display picture, be specially：Obtain that multiple to continuously display picture corresponding bright
Degree；
The brightness according to the display picture, adjusts the brightness of display screen, specifically includes：
Judge whether M shown recently continuous display pictures are bright face, if if it is, the present intensity of display screen
Brightness is set for system, the present intensity of display screen is reduced, wherein, M >=2, M is integer.
Preferably, whether described the M for judging to show recently continuous display picture is bright face, in addition to：If not,
If the present intensity of display screen, which is not system, sets brightness, present intensity to the system for adjusting display screen sets brightness.
Preferably, after judging continuous M display picture not for bright face, the present intensity of display screen is adjusted to the system
System is set before brightness, in addition to：It is determined that the N number of continuous display picture shown recently is dark face, wherein, N >=2, N is whole
Number.
Preferably, the corresponding brightness of the acquisition display picture, be specially：Obtain multiple continuous display pictures corresponding
Brightness；
The brightness according to the display picture, adjusts the brightness of display screen, specifically includes：
Judge whether K shown recently continuous display pictures are dark face, if if it is, the present intensity of display screen
It is not that system sets brightness, present intensity to the system for adjusting display screen sets brightness；K >=2, K is integer.
Preferably, whether described the K for judging to show recently continuous display picture is dark face, in addition to：If not,
Whether be bright face, if if it is, the present intensity of display screen, which is system, sets brightness, drop if judging continuous H display picture
The present intensity of the low display screen, H >=K, H is integer.
Preferably, the display picture when display picture is broadcasting video.
A kind of control device of brightness of display screen, including：
First judging unit, for judging whether display screen is in picture dispaly state；
Acquiring unit, for when display screen is in picture dispaly state, obtaining the corresponding brightness of display picture；
Luma unit is adjusted, for the brightness according to the display picture, brightness of display screen is adjusted.
Preferably, the adjustment luma unit is specifically included：
First judgment sub-unit, whether for the brightness according to the display picture, it is bright face to judge the display picture；
First adjustment subelement, for when the display picture be bright face and when display screen present intensity be system set
During brightness, the brightness of display screen is reduced.
Preferably, the adjustment luma unit also includes：
Second adjustment subelement, is not that system is set for the present intensity when the display picture not for bright face and display screen
When putting brightness, present intensity to the system for adjusting display screen sets brightness.
Preferably, the control device, in addition to：
Second judging unit, shape is shown for after the brightness of adjustment display screen, judging whether display screen exits picture
State；
The adjustment luma unit also includes：
3rd adjustment subelement, for exiting picture dispaly state and current bright when the display screen when display screen is in
When degree is not that system sets brightness, present intensity to the system for adjusting the display screen sets brightness.
Preferably, the acquiring unit includes being used to obtain multiple subelements for continuously displaying the corresponding brightness of picture；
The adjustment luma unit includes：
Second judgment sub-unit, whether the M continuous display pictures for judging to show recently are bright face；
3rd adjustment subelement, is working as bright face and display screen for the M that ought show recently continuous display pictures
When preceding brightness is that system sets brightness, the present intensity of display screen is reduced, wherein, M >=2, M is integer.
Preferably, the adjustment luma unit also includes：
4th adjustment subelement, it is bright face and display screen that the M continuous display pictures for that ought show recently, which are not,
Present intensity be not system set brightness when, adjust display screen present intensity to the system set brightness.
Preferably, the adjustment luma unit also includes, determining unit, for judging continuous M display picture not
After bright face, before present intensity to the system setting brightness for adjusting display screen, it is determined that what is shown recently is N number of continuous
Display picture is dark face, wherein, N >=2, N is integer.
Preferably, the acquiring unit includes being used to obtain multiple subelements for continuously displaying the corresponding brightness of picture；
The adjustment luma unit includes：
3rd judgment sub-unit, whether the K continuous display pictures for judging to show recently are dark face；
5th adjustment subelement, is working as dark face and display screen for the K that ought show recently continuous display pictures
When preceding brightness is not that system sets brightness, present intensity to the system for adjusting display screen sets brightness, wherein, K >=2, K is whole
Number.
Preferably, the adjustment luma unit also includes：
4th judgment sub-unit, for when it is dark face that the K shown recently continuous display pictures, which are not, judging to connect
Whether H continuous display picture is bright face；Wherein, H >=K, H are integer；
The adjustment luma unit also includes：
6th adjustment subelement, is working as bright face and display screen for the H that ought show recently continuous display pictures
When preceding brightness is that system sets brightness, the present intensity of the display screen is reduced.
Preferably, the display picture when display picture is broadcasting video.
Compared to prior art, the invention has the advantages that：
The control method for the brightness of display screen that the present invention is provided, can according to the brightness of display picture, adjustment display screen
Brightness.Because the brightness of display picture can be impacted to the brightness of display screen, when display picture is bright face, display screen it is bright
Degree can be improved, so, now on the premise of normal display effect is not influenceed, the brightness of display screen can be reduced.It is thus this
Brightness based on display picture, in the case where not influenceing normal use, advantageously reduces come the method for control display screen brightness
Display screen is by showing consumed electricity.
Brief description of the drawings
In order to which technical scheme is expressly understood, that is used below when describing the specific embodiment of the invention is attached
Figure is briefly described.It should be evident that these accompanying drawings are only a part of accompanying drawings of the present invention, those of ordinary skill in the art exist
On the premise of not paying creative work, other accompanying drawings can also be obtained.
Fig. 1 is the control method schematic flow sheet for the brightness of display screen that the embodiment of the present invention one is provided；
Fig. 2 is schematic flow sheet the step of brightness of display screen is adjusted in the embodiment of the present invention one；
Fig. 3 is the control method schematic flow sheet for the brightness of display screen that the embodiment of the present invention two is provided；
Fig. 4 is the control method schematic flow sheet for the brightness of display screen that the embodiment of the present invention three is provided；
Fig. 5 is the control method schematic flow sheet for the brightness of display screen that the embodiment of the present invention four is provided；
Fig. 6 is the control device structural representation for the brightness of display screen that the embodiment of the present invention five is provided；
Fig. 7 is the control device structural representation for the brightness of display screen that the embodiment of the present invention six is provided；
Fig. 8 is the control device structural representation for the brightness of display screen that the embodiment of the present invention seven is provided；
Fig. 9 is the control device structural representation for the brightness of display screen that the embodiment of the present invention eight is provided.
Embodiment
The embodiment to the present invention is described below in conjunction with the accompanying drawings.
Embodiment one
The embodiment of the present invention one is described in detail with reference to Fig. 1.As shown in figure 1, the offer of the embodiment of the present invention one is aobvious
The control method of display screen brightness, comprises the following steps：
S11, judge display screen whether be in picture dispaly state：
Judge whether display screen is in picture dispaly state, if it is, step S12 is performed, if not, terminating flow.
It should be noted that the picture described in the embodiment of the present invention show can be picture such as photo display, such as advertisement
The different advertisement pictures that display screen is shown.
The video pictures that picture described above is shown when can also be video playback.When display screen plays video
When, that is, think that the display screen is in picture dispaly state.
S12, the corresponding brightness of acquisition display picture：
Generally, the content of display picture is yuv data, then shows picture in such a case, it is possible to directly obtain
The corresponding brightness in face.Wherein, yuv data refers to YC colorspace data.
When the content of display picture is RGB (RGB color space) data, then need RGB data being converted into YUV
Data, could obtain the corresponding brightness of display picture.
In embodiments of the present invention, converted using conversion formula commonly used in the art.The conversion formula is specific as follows：
Brightness=0.299* red value+0.587* green value+0.114* blue valves.
S13, the brightness according to the display picture, adjust the brightness of display screen：
Because the brightness of display picture can be impacted to the brightness of display screen, so, show what is consumed to reduce
Power consumption, the embodiment of the present invention is according to the brightness of display picture, to adjust the brightness of display screen.
In embodiments of the present invention, display picture can be divided into according to the brightness of display picture by bright face and dark face.When aobvious
When showing that the brightness sum of all pixels point in picture is more than predetermined luminance, then the display picture is bright face, when in display picture
All pixels point sum when being not more than predetermined luminance, then the display picture is dark face.The predetermined luminance is less than display picture
Interior high-high brightness.In fact, the predetermined luminance can be any brightness value less than the high-high brightness in display picture.Root
According to practical experience, when the brightness in display picture is more than the 80% of high-high brightness, display picture brightness is brighter, it is believed that be bright
Face.So, as the specific embodiment of the present invention, the predetermined luminance is the 80% of high-high brightness.
It should be noted that the resolution ratio for assuming display picture is x*y, the then display picture total number of pixels z=x*
y.The then high-high brightness b of the display picturemax=255*z=255*x*y.Now, as the example of the present invention, preset bright
Spend bIt is default=255*x*y*80%.
According to above-mentioned bright face and dark face, step S13 specific implementation procedure can with as shown in Fig. 2 its specifically include with
Lower step：
Whether S131, the brightness according to display picture, it is bright face to judge the display picture：
According to the brightness of the display picture got, judge the display picture all pixels point brightness sum whether
More than predetermined luminance, if it is, the display picture meets the condition in bright face, the display picture is bright face, now, performs step
S132.Conversely, performing step S134.
S132, judge display screen present intensity whether be system set brightness：
Whether the present intensity for judging display screen is that system sets brightness, if it is, performing step S133.That is,
When the present intensity of display screen is that system sets brightness, step S133 is performed.If not, terminating flow.
S133, the brightness for reducing display screen：
In the case where not influenceing normal display, in order to reduce display power consumption, the brightness of display screen is reduced.Preferably, will
The luminance-reduction of display screen sets the 80% of brightness to the system.It should be understood readily by those skilled in this art, described 80% only
It is an exemplary description, should not be understood as limitation of the present invention.In fact, embodiments of the invention are according to actual need
Can be by the luminance-reduction of display screen to any value.For example, 90%, 50% etc..Especially when the not enough power supply of display device
When, now, the brightness of display screen can reduce very big amplitude, for example, be reduced to 30%.
S134, judge display screen present intensity whether be system set brightness:
Whether the present intensity for judging display screen is that system sets brightness, if it is, terminating flow, if not, performing step
Rapid S135.That is, when the present intensity of display screen is not that system sets brightness, it is 135 to perform step.Further say, at this
In inventive embodiments, in order to reduce power consumption, brightness of display screen is only set into brightness value to downward from system, without by it to up-regulation
It is whole.So, when the present intensity of display screen is not that system sets brightness, the present intensity of specially display screen is set less than system
Put brightness.
In addition, it is necessary to explanation, in embodiments of the present invention, for the angle of reduction power consumption, not by display screen
Present intensity is adjusted upward, in fact, as the extension of the embodiment of the present invention, in the case where not considering power consumption, can also be by
The brightness of display screen is adjusted upward.
S135, present intensity to the system of adjustment display screen set brightness.
It is the embodiment of the control method of the brightness of display screen of the embodiment of the present invention one above.The control of embodiment one
In method processed, when display picture is bright face, because the display picture in bright face can improve the brightness of display screen, so, now,
On the premise of normal display effect is not influenceed, the brightness of display screen is reduced, so as to reach the effect of reduction power consumption.
Embodiment one only describes the control method that display screen is in the brightness of display screen of picture dispaly state.If display screen
Exited from picture dispaly state, now, the control of the brightness of display screen is referring specifically to embodiment two.
Embodiment two
The control method of brightness of display screen described in embodiment two has many similar to the control method described in embodiment one
Part, for the sake of brevity, the present embodiment only stress that its something in common refers to embodiment one to its difference
Description.
As shown in figure 3, the control method of the brightness of display screen described in embodiment two comprises the following steps：
Step S31 to step S33 is identical with the step S11 to S13 in embodiment one, and details refer to embodiment one
Description.
S34, judge whether display screen exits picture dispaly state：
Judge whether display screen exits picture dispaly state, if it is, step S35 is performed, if not, flow terminates.
S35, judge display screen present intensity whether be system set brightness:
Whether the present intensity for judging display screen is that system sets brightness, if not, step S36 is performed, if it is, flow
Terminate.
S36, present intensity to the system of adjustment display screen set brightness.
It is above the control method of the brightness of display screen described in embodiment two.Show because display screen will not be constantly in picture
Show state, when display screen exits picture dispaly state, in order to not influence the display effect of display screen, the control described in embodiment two
In method processed, brightness of display screen is adjusted to system brightness is set.
In the control method of brightness of display screen described in embodiment one and embodiment two, according to the brightness of a display picture
With regard to carrying out judging whether to need to adjust brightness of display screen.In this case, the brightness of a display picture is obtained, with regard to carrying out one
It is secondary judge, it is eligible if, the brightness of display screen will be adjusted.In fact, being adjusted in the brightness to display screen
In whole process, consumed energy is also intended to.If the number of times adjusted is too many, the energy of consumption can be also caused to increase, instead
And it is unfavorable for the reduction of power consumption.In order to overcome the defect of this respect, present invention also offers embodiment three.
Embodiment three
In the control method of brightness of display screen described in embodiment three, be according to the brightness of multiple continuous display pictures come
Judge whether to adjust brightness of display screen.Thus, compared to embodiment one and embodiment two, the control method described in embodiment three,
The adjustment number of times of brightness of display screen is reduced, the defect of excessive power is consumed because adjustment number of times is too many so as to overcome.
Referring to Fig. 4, Fig. 4 is the schematic flow sheet of the control method of the brightness of display screen described in the embodiment of the present invention three.Such as
Shown in Fig. 4, the control method comprises the following steps：
S41, judge display screen whether be in picture dispaly state：
Judge whether display screen is in picture dispaly state, if it is, step S42 is performed, if not, terminating flow.
S42, obtain the corresponding brightness of multiple continuous display pictures.
It should be noted that in embodiments of the present invention, the continuous display picture is meant, in display, press
The picture shown successively according to sequencing.
Whether the M continuous display pictures that S43, judgement are shown recently are bright face：
According to the corresponding brightness of each display picture, judge whether M shown recently continuous display pictures are bright
Face, if it is, step S44 is performed, if not, performing step S46.Wherein, M >=2, M is integer.
S44, judge display screen present intensity whether be system set brightness, if it is, perform step S45,
If not, terminating flow.
S45, the present intensity for reducing display screen.
Whether N number of continuous display picture that S46, judgement are shown recently is dark face, if it is, performing step S47, such as
It is really no, terminate flow.
It should be noted that N >=2, N is integer.In addition, the embodiment of the present invention is not construed as limiting to M, N magnitude relationship.
S47, judge display screen present intensity whether be system set brightness, if it is, terminate flow, if not, holding
Row step S48.
S48, present intensity to the system of adjustment display screen set brightness.
In the control method for the display screen that embodiment three is provided, after the brightness of multiple display pictures is obtained, then judge
The brightness of display screen whether is adjusted, compared to the control method described in embodiment one and embodiment two, adjustment display screen is reduced
The number of times of brightness, so as to avoid due to the problem of the power consumption for adjusting brightness of display screen too much and bringing consumes too big.
In the control method of display screen shown in above-described embodiment three, the multiple continuous display pictures shown recently are first judged
Whether face is bright face, then judges whether the multiple continuous display pictures shown recently are dark face, in fact, the embodiment of the present invention
It can also first carry out and judge whether multiple continuous display pictures for showing recently are dark face, then judge multiple companies for showing recently
Whether continuous display picture is bright face, referring specifically to example IV.
Example IV
Referring to Fig. 5, the control method of the brightness of display screen described in example IV comprises the following steps：
S51 to S52 is identical with the step S41 to 42 in embodiment three, for the sake of brevity, is not described in detail herein,
Referring specifically to the description of embodiment three.
Whether the K display picture that S53, judgement are shown recently is dark face, if it is, step S54 is performed, if not,
Perform step S56.Wherein, K >=2, K is integer.
S54, judge display screen present intensity whether be system set brightness, if not, perform step S55, if it is,
Terminate flow.
S55, present intensity to the system of adjustment display screen set brightness.
Whether the H continuous display pictures that S56, judgement are shown recently are bright face, if it is, performing step S57, such as
It is really no, terminate flow.Wherein, H >=K, H are integer.
S57, judge display screen present intensity whether be system set brightness, if it is, perform step S58, if not,
Terminate flow.
S58, the reduction display screen present intensity.
It should be noted that control method of the above-described embodiment one to the brightness of display screen described in example IV, it is adaptable to
All display devices with display screen.These display devices include TV, computer, notebook, mobile phone etc..Be particularly suitable for use in picture
Mobile phone, notebook, iPad etc mobile device.Because mobile set can be consumed when display picture is especially playing video
Standby substantial amounts of electricity, so necessary mobile device of saving shows required electricity.
Embodiment one is to the control method that example IV is brightness of display screen provided in an embodiment of the present invention, based on above-mentioned reality
The control method of example offer is applied, present invention also offers the control device of brightness of display screen.
Embodiment five
Control device referring to Fig. 6, embodiment five brightness of display screen provided is included with lower unit：
First judging unit 61, for judging whether display screen is in picture dispaly state；
Acquiring unit 62, for when display screen is in picture dispaly state, obtaining the corresponding brightness of display picture；
Luma unit 63 is adjusted, for the brightness according to the display picture, brightness of display screen is adjusted.
The control device provided based on above-described embodiment five, can be made according to the brightness of display picture to brightness of display screen
Adaptable adjustment, required power consumption is shown so as to reduce display screen.
Specifically, adjustment luma unit 63 described above is specifically included：
First judgment sub-unit 631, whether for the brightness according to the display picture, it is bright to judge the display picture
Face；
First adjustment subelement 632, for being bright face and when the present intensity of display screen is system when the display picture
When brightness is set, the brightness of display screen is reduced；
Second adjustment subelement 633, be not for the present intensity when the display picture not for bright face and display screen
When system sets brightness, present intensity to the system for adjusting display screen sets brightness.
Whether can be bright face and aobvious according to display picture based on the concrete structure of adjustment luma unit described above
The present intensity of display screen, to adjust the brightness of display screen.When display picture is bright face, the brightness adjustment of display screen can be arrived
The relatively low brightness of brightness is set than system, so as to reach the purpose of reduction power consumption.
Because display screen is not to be constantly in picture dispaly state, after picture, which is shown, to be finished, display screen will exit picture
Face dispaly state, in order to also realize control to the brightness of display screen under the scene, the embodiment of the present invention additionally provides other one
Plant the control device of the brightness of display screen of structure.Referring specifically to embodiment six.
Embodiment six
Referring to Fig. 7, the control device for the brightness of display screen that embodiment six is provided includes：
First judging unit 71, acquiring unit 72, the adjustment judging unit 74 of luma unit 73 and second.Wherein, first
Judging unit 71, acquiring unit 72, adjustment luma unit 73 and the first judging unit 61 in embodiment five, acquiring unit 62,
Adjust luma unit 63 identical, for the sake of brevity, be not described in detail herein, referring specifically to the description in embodiment five.
Second judging unit 74, for after the brightness of adjustment display screen, judging whether display screen exits picture and show
State.
Now, adjustment luma unit 73 including the first judgment sub-unit 631, first described in embodiment five except adjusting son
Beyond the adjustment subelement 633 of unit 632, second, in addition to：
3rd adjustment subelement 734, for exiting picture dispaly state and working as when the display screen when display screen is in
When preceding brightness is not that system sets brightness, present intensity to the system for adjusting the display screen sets brightness.
The control device for the brightness of display screen that above example five and embodiment six are provided, it is bright based on display picture
Spend the brightness with regard to carrying out judging whether to adjust display screen.So it is likely to result in because adjustment number of times is excessively consumed excessively on the contrary
Power consumption, in order to overcome the defect, the embodiment of the present invention additionally provides the brightness based on multiple display pictures and is adjusted display screen
The control device of brightness.Referring specifically to embodiment seven.
Embodiment seven
Referring to Fig. 8, the control device for the brightness of display screen that embodiment seven is provided includes：
First judging unit 81, for judging whether display screen is in picture dispaly state；
Acquiring unit 82, for when display screen is in picture dispaly state, obtaining the corresponding brightness of display picture；
Adjustment unit 83, for the brightness according to the display picture, adjusts brightness of display screen.
In the control device that provides of the present invention, the acquiring unit 82, which includes being used for obtaining, multiple continuously displays picture pair
The subelement for the brightness answered.
The adjustment unit 83 is specifically included：
Second judgment sub-unit 831, whether the M continuous display pictures for judging to show recently are bright face；
3rd adjustment subelement 832, the M continuous display pictures for that ought show recently are bright face and display screen
When present intensity is that system sets brightness, the present intensity of display screen is reduced, wherein, M >=2, M is integer.
Further, the adjustment luma unit 83 can also include：
Determining unit 833, for after judging continuous M display picture not for bright face, adjusting the current of display screen
Brightness is set to the system before brightness, it is determined that the N number of continuous display picture shown recently is dark face, wherein, N >=2,
N is integer；
4th adjustment subelement 834, it is bright face and display that the M continuous display pictures for that ought show recently, which are not,
When the present intensity of screen is not that system sets brightness, present intensity to the system for adjusting display screen sets brightness.
Embodiment seven provide brightness of display screen control device, by first judge multiple continuous display pictures whether be
Bright face, then judge whether multiple continuous display pictures are dark face, display is then adjusted according to different judged results respectively
The brightness of screen.In fact, whether as another embodiment of the present invention, it is dark that can also first judge multiple continuous display pictures
Face, then judge whether multiple continuous display pictures are bright face, display screen is then adjusted according to different judged results respectively
Brightness.Referring specifically to embodiment eight.
Embodiment eight
Referring to Fig. 9, the control device for the brightness of display screen that embodiment eight is provided includes：
First judging unit 91, for judging whether display screen is in picture dispaly state；
Acquiring unit 92, for when display screen is in picture dispaly state, obtaining the corresponding brightness of display picture；
Adjustment unit 93, for the brightness according to the display picture, adjusts brightness of display screen.
In the control device that provides of the present invention, the acquiring unit 92, which includes being used for obtaining, multiple continuously displays picture pair
The subelement for the brightness answered.
The adjustment unit 93 is specifically included：
3rd judgment sub-unit 931, whether the K continuous display pictures for judging to show recently are dark face；
5th adjustment subelement 932, the K continuous display pictures for that ought show recently are dark face and display screen
When present intensity is not that system sets brightness, present intensity to the system for adjusting display screen sets brightness, wherein, K >=2, K is whole
Number.
Further, the adjustment unit 93 can also include：
4th judgment sub-unit 933, for when it is dark face that the K shown recently continuous display pictures, which are not, sentencing
Whether continuous H display picture of breaking is bright face；Wherein, H >=K, H are integer；
Now, the adjustment luma unit 93 can also include：
6th adjustment subelement 934, the H continuous display pictures for that ought show recently are bright face and display screen
When present intensity is that system sets brightness, the present intensity of the display screen is reduced.
It should be noted that the control device of the brightness of display screen described in above-described embodiment five to embodiment eight, it is adaptable to
All display devices with display screen.These display devices include TV, computer, notebook, mobile phone etc..Be particularly suitable for use in picture
Mobile phone, notebook, iPad etc mobile device.Because mobile set can be consumed when display picture is especially playing video
Standby substantial amounts of electricity, so necessary mobile device of saving shows required electricity.
Described above is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.Though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.Any those skilled in the art,
Without departing from the scope of the technical proposal of the invention, all using the methods and techniques content of the disclosure above to the technology of the present invention
Scheme makes many possible variations and modification, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from this hair
The content of bright technical scheme, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent variations
And modification, still fall within technical solution of the present invention protection in the range of.
Claims (12)
1. a kind of control method of brightness of display screen, it is characterised in that including：
Judge whether display screen is in picture dispaly state, if it is, obtaining the corresponding brightness of display picture；According to the display
The brightness of picture, adjusts brightness of display screen；
Judge whether display screen exits picture dispaly state, if if it is, the present intensity of the display screen is not system setting
Brightness, present intensity to the system for adjusting the display screen sets brightness；
It is described to obtain the corresponding brightness of display picture, be specially：Acquisition is multiple to continuously display the corresponding brightness of picture；
The brightness according to the display picture, adjusts the brightness of display screen, specifically includes：
Judge whether M shown recently continuous display pictures are bright face, if if it is, the present intensity of display screen is to be
System sets brightness, reduces the present intensity of display screen, wherein, M >=2, M is integer.
2. control method according to claim 1, it is characterised in that the M continuous displays that the judgement is shown recently
Whether picture is bright face, in addition to：If if not, the present intensity of display screen, which is not system, sets brightness, adjusting display screen
Present intensity to the system set brightness.
3. control method according to claim 2, it is characterised in that judge continuous M display picture not for bright face it
Afterwards, before the present intensity of adjustment display screen to system setting brightness, in addition to：It is determined that what is shown recently is N number of continuous
Display picture is dark face, wherein, N >=2, N is integer.
4. a kind of control method of brightness of display screen, it is characterised in that including：
Judge whether display screen is in picture dispaly state, if it is, obtaining the corresponding brightness of display picture；According to the display
The brightness of picture, adjusts brightness of display screen；
Judge whether display screen exits picture dispaly state, if if it is, the present intensity of the display screen is not system setting
Brightness, present intensity to the system for adjusting the display screen sets brightness；
It is described to obtain the corresponding brightness of display picture, be specially：Obtain the corresponding brightness of multiple continuous display pictures；
The brightness according to the display picture, adjusts the brightness of display screen, specifically includes：
Judge whether K shown recently continuous display pictures are dark face, if if it is, the present intensity of display screen is not
System sets brightness, and present intensity to the system for adjusting display screen sets brightness；K >=2, K is integer.
5. control method according to claim 4, it is characterised in that the K continuous displays that the judgement is shown recently
Whether picture is dark face, in addition to：If not, judging whether continuous H display picture is bright face, if if it is, aobvious
The present intensity of display screen is that system sets brightness, reduces the present intensity of the display screen, H >=K, H is integer.
6. the control method according to claim any one of 1-5, it is characterised in that when the display picture is broadcasting video
Display picture.
7. a kind of control device of brightness of display screen, it is characterised in that including：
First judging unit, for judging whether display screen is in picture dispaly state；
Acquiring unit, for when display screen is in picture dispaly state, obtaining the corresponding brightness of display picture；
Luma unit is adjusted, for the brightness according to the display picture, brightness of display screen is adjusted；
Second judging unit, for after the brightness of adjustment display screen, judging whether display screen exits picture dispaly state；
The adjustment luma unit also includes：
3rd adjustment subelement, for when display screen be in exit picture dispaly state and when the display screen present intensity not
When being that system sets brightness, present intensity to the system for adjusting the display screen sets brightness；
The acquiring unit includes being used to obtain multiple subelements for continuously displaying the corresponding brightness of picture；
The adjustment luma unit includes：
Second judgment sub-unit, whether the M continuous display pictures for judging to show recently are bright face；
3rd adjustment subelement, is the current bright of bright face and display screen for the M that ought show recently continuous display pictures
When spending for system setting brightness, the present intensity of display screen is reduced, wherein, M >=2, M is integer.
8. control device according to claim 7, it is characterised in that the adjustment luma unit also includes：
4th adjustment subelement, it is working as bright face and display screen not to be for the M that ought show recently continuous display pictures
When preceding brightness is not that system sets brightness, present intensity to the system for adjusting display screen sets brightness.
9. control device according to claim 8, it is characterised in that the adjustment luma unit also includes, determining unit,
Present intensity to the system for after judging continuous M display picture not for bright face, adjusting display screen sets bright
Before degree, it is determined that the N number of continuous display picture shown recently is dark face, wherein, N >=2, N is integer.
10. a kind of control device of brightness of display screen, it is characterised in that including：
First judging unit, for judging whether display screen is in picture dispaly state；
Acquiring unit, for when display screen is in picture dispaly state, obtaining the corresponding brightness of display picture；
Luma unit is adjusted, for the brightness according to the display picture, brightness of display screen is adjusted；
Second judging unit, for after the brightness of adjustment display screen, judging whether display screen exits picture dispaly state；
The adjustment luma unit also includes：
3rd adjustment subelement, for when display screen be in exit picture dispaly state and when the display screen present intensity not
When being that system sets brightness, present intensity to the system for adjusting the display screen sets brightness；
The acquiring unit includes being used to obtain multiple subelements for continuously displaying the corresponding brightness of picture；
The adjustment luma unit includes：
3rd judgment sub-unit, whether the K continuous display pictures for judging to show recently are dark face；
5th adjustment subelement, is the current bright of dark face and display screen for the K that ought show recently continuous display pictures
When degree is not that system sets brightness, present intensity to the system for adjusting display screen sets brightness, wherein, K >=2, K is integer.
11. control device according to claim 10, it is characterised in that the adjustment luma unit also includes：
4th judgment sub-unit, for when it is dark face that the K shown recently continuous display pictures, which are not, judging continuous
Whether H display picture is bright face；Wherein, H >=K, H are integer；
The adjustment luma unit also includes：
6th adjustment subelement, is the current bright of bright face and display screen for the H that ought show recently continuous display pictures
When spending for system setting brightness, the present intensity of the display screen is reduced.
12. the control device according to claim any one of 7-11, it is characterised in that the display picture is broadcasting video
When display picture.
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| CN105827926B (en) * | 2015-01-04 | 2019-07-26 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN106205553A (en) * | 2016-06-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | Control method, control device and electronic installation |
| CN106658691B (en) | 2017-03-10 | 2020-01-14 | Oppo广东移动通信有限公司 | Display control method and device and mobile terminal |
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