CN107221303A - A kind of method, device and intelligent terminal for adjusting screen intensity - Google Patents
A kind of method, device and intelligent terminal for adjusting screen intensity Download PDFInfo
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- CN107221303A CN107221303A CN201610164819.0A CN201610164819A CN107221303A CN 107221303 A CN107221303 A CN 107221303A CN 201610164819 A CN201610164819 A CN 201610164819A CN 107221303 A CN107221303 A CN 107221303A
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- face
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
The invention discloses a kind of method, device and intelligent terminal for adjusting screen intensity, wherein this method includes：User is taken pictures by front camera, and preserves photo；The position of face eye is determined in photo by face recognition technology, and intercepts the corresponding image of eye；Iris region is positioned in eyes image by biological identification technology, and calculates the brightness value of iris region；The brightness of screen is adjusted according to the brightness value of iris region.The present invention is in user's using terminal, user is taken pictures by front camera, the iris region of eyes of user is being determined by face recognition technology and biological identification technology, and calculate the brightness value of iris region, screen intensity is adjusted according to the brightness value of iris region, this method considers acceptance level of user's eye to light, screen intensity is adjusted according to the acceptance level, better user experience, solves problem of the prior art.
Description
Technical field
The present invention relates to field of mobile communication, more particularly to a kind of method for adjusting screen intensity, device and
Intelligent terminal.
Background technology
At present, on screen intensity adjust mode it is a lot, it is generally the case that be by light sensor come
The brightness of screen is adjusted, also some judge surrounding brightness by camera, and then bright to adjust product screen
Degree etc..However, above invention to belong to active regulation, the i.e. environment around sensor active detecting bright
Degree, the brightness of screen is adjusted according to the brightness value of surrounding is collected.However, existing screen intensity regulative mode
Do not consider the usage experience of user, may be adjusted when need not adjust brightness, user's body
Test relatively low.
The content of the invention
The present invention provides a kind of method, device and intelligent terminal for adjusting screen intensity, to solve existing skill
Art screen intensity regulative mode does not consider the usage experience of user, may be when need not adjust brightness
Adjusted, the problem of Consumer's Experience is poor.
In order to solve the above technical problems, on the one hand, the present invention provides a kind of method for adjusting screen intensity, bag
Include：User is taken pictures by front camera, and preserves photo；By face recognition technology described
The position of face eye is determined in photo, and intercepts the corresponding image of eye；By biological identification technology in institute
State in eyes image and iris region is positioned, and calculate the brightness value of the iris region；According to described
The brightness value of iris region adjusts the brightness of screen.
Further, the brightness of screen is adjusted according to the brightness value of the iris region, including：By the iris
The brightness value in region is compared with one or more default luminance thresholds；According to the bright of the iris region
Threshold range residing for angle value determines the regulated value of screen intensity, to adjust the bright of screen according to the regulated value
Degree.
Further, the position of face eye is determined in the photo by face recognition technology and eye is intercepted
The corresponding image in portion, including：Judge to whether there is face in the photo by face recognition technology；Depositing
In the context of a person's face, the position of face eye is determined by face recognition technology, and it is corresponding to intercept eye
Image.
Further, by face recognition technology judge in the photo whether there is face after, in addition to：
In the case of in the absence of face, the brightness of screen is adjusted by light sensor.
Further, user is taken pictures by front camera, including：Worked as by light sensor detection
The ambient brightness value of preceding environment；Judge the ambient brightness value whether less than default ambient brightness value；Described
In the case that ambient brightness value is less than the default ambient brightness value, user is clapped by front camera
According to.
Further, before the brightness that screen is adjusted according to the brightness value of the iris region, in addition to：Pass through
Range sensor determines face to the distance of screen；The distance is compared with one or more pre-determined distances
Compared with to determine the distance areas residing for the distance；Screen intensity governing stage is determined according to the distance areas
Not.
On the other hand, the present invention provides a kind of device for adjusting screen intensity, including：Photo module, is used for
User is taken pictures by front camera, and preserves photo；Face determining module, for passing through face
Identification technology determines the position of face eye in the photo, and intercepts the corresponding image of eye；Calculate mould
Block, for being positioned by biological identification technology in the eyes image to iris region, and calculates institute
State the brightness value of iris region；Luminance adjustment module, shields for being adjusted according to the brightness value of the iris region
The brightness of curtain.
Further, the luminance adjustment module includes：Comparing unit, for by the brightness of the iris region
Value is compared with one or more default luminance thresholds；Brightness adjusting unit, for according to the iris
Threshold range residing for the brightness value in region determines the regulated value of screen intensity, to be adjusted according to the regulated value
The brightness of screen.
Further, the face determining module includes：Face judging unit, for passing through face recognition technology
Judge to whether there is face in the photo；Face determining unit, for depositing in the context of a person's face, leads to
Cross face recognition technology and determine the position of face eye, and intercept the corresponding image of eye.
Further, in addition to：The face determining unit, is additionally operable in the case of in the absence of face, touches
Send out luminance adjustment module described and pass through the brightness that light sensor adjusts screen.
Further, the photo module includes：Detection unit, for working as front ring by light sensor detection
The ambient brightness value in border；Brightness judging unit, for judging the ambient brightness value whether less than default environment
Brightness value；Photographing unit, in the case of being less than the default ambient brightness value in the ambient brightness value,
User is taken pictures by front camera.
Further, described device also includes：Apart from determining module, for the brightness according to the iris region
Before the brightness of value regulation screen, determine face to the distance of screen by range sensor；Distance compares mould
Block, for the distance to be compared with one or more pre-determined distances, to determine residing for the distance
Distance areas；Rank determination module, for determining that screen intensity adjusts rank according to the distance areas.
Another aspect, the present invention provides a kind of intelligent terminal, including：Regulation screen described in any of the above-described
The device of brightness.
The present invention is taken pictures to user by front camera in user's using terminal, is passing through recognition of face
Technology and biological identification technology determine the iris region of eyes of user, and calculate the brightness value of iris region,
Screen intensity is adjusted according to the brightness value of iris region, this method considers receiving of user's eye to light
Degree, screen intensity is adjusted according to the acceptance level, and better user experience solves prior art screen
Brightness adjustment approach does not consider the usage experience of user, may be carried out when need not adjust brightness
Regulation, the problem of Consumer's Experience is poor.
Brief description of the drawings
Fig. 1 is the flow chart of the method for regulation screen intensity in the embodiment of the present invention；
Fig. 2 is the structural representation of the device of regulation screen intensity in the embodiment of the present invention；
Fig. 3 is the structural representation of the device luminance adjustment module of regulation screen intensity in the embodiment of the present invention；
Fig. 4 is the structural representation of the device face determining module of regulation screen intensity in the embodiment of the present invention；
Fig. 5 is the structural representation of the device photo module of regulation screen intensity in the embodiment of the present invention；
Fig. 6 is the preferred structure schematic diagram of the device of regulation screen intensity in the embodiment of the present invention；
Fig. 7 is the flow chart of the method for regulation screen intensity in the preferred embodiment of the present invention.
Embodiment
, may be not in order to solve the usage experience that prior art screen intensity regulative mode does not consider user
Need to be adjusted when regulation brightness, the problem of Consumer's Experience is poor is adjusted the invention provides one kind
Method, device and the intelligent terminal of screen intensity are saved, below in conjunction with accompanying drawing and embodiment, the present invention is entered
Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
Do not limit the present invention.
The embodiments of the invention provide a kind of method for adjusting screen intensity, the flow of this method as shown in figure 1,
Including step S102 to S108：
S102, is taken pictures by front camera to user, and preserves photo.The process taken pictures can be with
Realize at predetermined intervals, such as 5 seconds, of course, it is possible to be smaller time interval,
Such as 2 seconds, or even the shorter time, for example take pictures in real time；Process for preserving photo, can cover
Cap-shaped formula, that is, form after new photo, taken pictures with current photo covering last time obtained photo, this storage
Mode can save the memory space of photo.
S104, the position of face eye is determined by face recognition technology in photo, and intercepts eye correspondence
Image.
S106, is positioned, and calculate iris by biological identification technology in eyes image to iris region
The brightness value in region.
S108, the brightness of screen is adjusted according to the brightness value of iris region.
The embodiment of the present invention is taken pictures, then pass through people in user's using terminal by front camera to user
Face identification technology and biological identification technology determine the iris region of eyes of user, and calculate the bright of iris region
Angle value, screen intensity is adjusted according to the brightness value of iris region, and this method considers user's eye to light
Acceptance level, screen intensity is adjusted according to the acceptance level, better user experience solves existing skill
Art screen intensity regulative mode does not consider the usage experience of user, may be when need not adjust brightness
Adjusted, the problem of Consumer's Experience is poor.
In implementation process, the process that the brightness of screen is adjusted according to the brightness value of iris region is as follows, including：
The brightness value of iris region is compared with one or more default luminance thresholds；According to iris region
Threshold range residing for brightness value determines the regulated value of screen intensity, to adjust the brightness of screen according to regulated value.
If user is only provided with a default luminance threshold, directly it is compared with the luminance threshold,
If present intensity value exceedes the default luminance threshold, avoid the need for adjusting screen intensity, if do not surpassed
Cross the default luminance threshold, it is necessary to adjust screen intensity.If user is provided with multiple default brightness
Threshold value, it is determined which brightness section current brightness value is in, is corresponded to according still further to the brightness section
Adjustment screen brightness.
The position of face eye is being determined in photo by face recognition technology and the corresponding figure of eye is intercepted
As during, first pass through face recognition technology and judge to whether there is face in photo；If there is face,
The position of face eye is then determined by face recognition technology, and intercepts the corresponding image of eye；If do not deposited
In face, then the brightness (by way of i.e. traditional regulation screen intensity) of screen is adjusted light sensor.
When being taken pictures by front camera to user, the process that can be taken pictures for this sets a condition,
I.e. before being taken pictures, the ambient brightness value of current environment is detected by light sensor, and judges environment
Whether brightness value is less than default ambient brightness value；If ambient brightness value is less than default ambient brightness value, explanation
Now need to adjust screen intensity, then user is taken pictures by front camera；If ambient brightness value
It is not less than default ambient brightness value, illustrates now adjust screen intensity.Certainly, the process be with
Family is in the environment of normal brightness as reference, and user is screen in the environment of normal brightness, generally
Generally all it is adjusted when user is in dark environment without lightening again in brighter state
The situation of screen, therefore, the present embodiment are to need screen from high light to explanation secretly to carry out.
In order to further increase the accuracy of regulation screen intensity, shield being adjusted according to the brightness value of iris region
Before the brightness of curtain, face can also be determined by range sensor to the distance of screen, then by distance and one
Individual or multiple pre-determined distances are compared, to determine, apart from residing distance areas, to be determined according to distance areas
Screen intensity adjusts rank.
When implementing, if user is only provided with a pre-determined distance, directly by current face to screen
Distance compared with pre-determined distance, when more than the pre-determined distance, possible user's off screen curtain farther out, by screen
Screen content can not seen by adjusting dark user, therefore, and screen intensity is not adjusted when more than the pre-determined distance；
If being not above the pre-determined distance, illustrate that user's off screen curtain is nearer, then can open regulation screen intensity
Function, now can just adjust the brightness of screen according to the brightness value of iris region.Only set for the present embodiment
The situation of a pre-determined distance is put, its screen intensity regulation rank is equivalent to 0% and 100%, certainly,
User can also be adjusted to 80% grade numeral by 100%；The embodiment sets the mode of a pre-determined distance,
Equivalent to the switch for adding a regulation screen intensity, make user more comfortable in use.
For above-mentioned pre-determined distance, if user set for multiple, different pre-determined distances in the range of,
Different screen intensity adjustment ranks may be correspond to.For example, user is provided with two preset distances, i.e.,
30cm and 60cm, then according to the two pre-determined distances, three are marked off by the distance between user and screen
Rank, 0-30cm is first rank, and 30cm-60cm is second rank, 60cm to infinite greatly the
Three ranks.First rank of correspondence, its screen intensity adjustment could be arranged to 100%, correspondence second
Rank, its screen intensity adjustment could be arranged to 50%, correspond to the 3rd rank, the adjustment of its screen intensity can
To be set to 0%.Now, if the distance for measuring face to screen is 45cm, the distance falls at second
In rank, then when adjusting screen intensity, 50% is multiplied by the brightness value that should be adjusted, equivalent to only
Regulation should adjust the half of brightness value originally.The present embodiment is provided with multiple pre-determined distances, can integrate and examine
Consider user's actual service condition and brightness regulation is carried out to screen, adjust process more hommization.
When using the above method, if current indoor light is dark, eyes of user iris region is presented on
Brightness of image just it is dark, now can just dim screen, if current indoor light is brighter, be presented on
The brightness of image of eyes of user iris region is just brighter, now can just lighten screen.This method is with user's eye
Based on eyeball, the screen intensity of user terminal is adjusted by the change of iris regional luminance, fully
Consider user's individual differentiation, better user experience.
The embodiment of the present invention also provide it is a kind of adjust screen intensity device, structural representation such as Fig. 2 of the device,
Including：Photo module 10, for being taken pictures by front camera to user, and preserves photo；Face
Determining module 20, is coupled with photo module 10, for determining face in photo by face recognition technology
The position of eye, and intercept the corresponding image of eye；Computing module 30, is coupled with face determining module 20,
For being positioned by biological identification technology in eyes image to iris region, and calculate iris region
Brightness value；Luminance adjustment module 40, is coupled with computing module 30, for the brightness value according to iris region
Adjust the brightness of screen.
Fig. 3 shows the structural representation of above-mentioned luminance adjustment module 40, and it includes：Comparing unit 401,
For the brightness value of iris region to be compared with one or more default luminance thresholds；Brightness regulation list
Member 402, is coupled with comparing unit 401, true for the threshold range residing for the brightness value according to iris region
The regulated value of screen intensity is determined, to adjust the brightness of screen according to regulated value.
Fig. 4 shows the structural representation of above-mentioned face determining module 20, and it includes：Face judging unit
201, for judging to whether there is face in photo by face recognition technology；Face determining unit 202, with
Face judging unit 201 is coupled, and for depositing in the context of a person's face, people is determined by face recognition technology
The position of face eye, and intercept the corresponding image of eye；It is additionally operable in the case of in the absence of face, triggers
Luminance adjustment module 40 adjusts the brightness of screen by light sensor.
The structure of above-mentioned photo module 10 can with as shown in figure 5, including：Detection unit 101, for passing through
Light sensor detects the ambient brightness value of current environment；Brightness judging unit 102, with detection unit 101
Coupling, for judging ambient brightness value whether less than default ambient brightness value；Photographing unit 103, with brightness
Judging unit 102 is coupled, in the case of being less than default ambient brightness value in ambient brightness value, by preceding
Camera is put to take pictures to user.
Fig. 6 shows the preferred structure schematic diagram of said apparatus, and on the basis of Fig. 2, said apparatus is also wrapped
Include：Apart from determining module 50, coupled with computing module 30, for being adjusted according to the brightness value of iris region
Before the brightness of screen, determine face to the distance of screen by range sensor；Apart from comparison module 60,
Coupled with apart from determining module 50, for distance to be compared with one or more pre-determined distances, with true
Distance areas residing for set a distance；Rank determination module 70, and apart from comparison module 60 and brightness regulation mould
Block 40 is coupled, for determining that screen intensity adjusts rank according to distance areas.
The embodiment of the present invention also provides a kind of intelligent terminal, and it can include the dress of above-mentioned regulation screen intensity
Put.Those skilled in the art could be aware that said apparatus can be set in APP forms according to above-mentioned record
In intelligent terminal, it is of course also possible to be integrated into the system of intelligent terminal, the system of intelligent terminal is used as
Function, here is omitted.
Preferred embodiment
The embodiment of the present invention is a kind of method of the regulation screen intensity for mobile terminal, and the present embodiment is main
Image when user uses mobile phone is shot by mobile terminal front camera, judged using biological identification technology
The information that retina position is shown in eyeball, the brightness of human eye iris region scenery is calculated by image processor
Value, the distance of face and screen is obtained with reference to range sensor, to adjust the screen intensity of mobile terminal.Make
It is high especially in dark situation reliability with scene, when user is in the electricity using mobile phone, flat board etc. with display function
When sub- equipment, mobile phone, shown scenery will be presented in eyes of user (in eyeball on retina), now
Electronic equipment, the front camera of mobile phone are opened, the scene information shown in human eye is shot, it is preposition by analyzing
Camera shoot eyeball (at iris region around pupil) show scenery monochrome information, with reference to mobile phone,
Range sensor obtains size of the face away from screen on electronic equipment, and control or adjustment terminal phone, electronics are set
Standby screen intensity.
The flow of the method for the regulation screen intensity that the present embodiment is provided is as shown in fig. 7, comprises step S701
To S710：
S701：Mobile terminal screen is opened, while starting the light sensor in mobile terminal, is passed by light
Sensor detects surrounding environment brightness.
S702, judges surrounding environment brightness value LIn real timeWhether pre-set threshold value L is less thanIt is default.If it is, into
S703, otherwise, into S710.
S703, starts front camera, and is taken pictures, and will shoot photo P1Stored.
S704, calls photo P1, and start face identification functions.
S705, detection photo P1Whether with the presence of face.If so, S706 is then performed, otherwise, into S710.
S706, image P is accurately judged by face identification functions1The position of face eye, and intercept eye portion
Position, to obtain eye station diagram as P2。
S707, obtains image P2, using biological identification technology by eyes image P2Carry out localization of iris circle,
And calculate iris region brightness value LPupil。
S708, obtains brightness value LPupil, and by range sensor detect face and screen apart from D, according to
Apart from D and L between face and screenPupilDetermine the regulated value of screen intensity.
S709, the brightness regulation of screen is completed according to above-mentioned regulated value.
S710, opens normal screen intensity regulative mode.
Although being example purpose, the preferred embodiments of the present invention are had been disclosed for, those skilled in the art will
Recognize that various improvement, increase and substitution are also possible, therefore, the scope of the present invention should be not limited to
State embodiment.
Claims (13)
1. a kind of method for adjusting screen intensity, it is characterised in that including：
User is taken pictures by front camera, and preserves photo；
The position of face eye is determined in the photo by face recognition technology, and it is corresponding to intercept eye
Image；
Iris region is positioned in the eyes image by biological identification technology, and calculates the rainbow
The brightness value of diaphragm area；
The brightness of screen is adjusted according to the brightness value of the iris region.
2. the method as described in claim 1, it is characterised in that according to the brightness value of the iris region
The brightness of screen is adjusted, including：
The brightness value of the iris region is compared with one or more default luminance thresholds；
Threshold range according to residing for the brightness value of the iris region determines the regulated value of screen intensity, with root
The brightness of screen is adjusted according to the regulated value.
3. the method as described in claim 1, it is characterised in that shone by face recognition technology described
The position of face eye is determined in piece and the corresponding image of eye is intercepted, including：
Judge to whether there is face in the photo by face recognition technology；
Depositing in the context of a person's face, the position of face eye is being determined by face recognition technology, and intercept eye
The corresponding image in portion.
4. method as claimed in claim 3, it is characterised in that judge described by face recognition technology
In photo whether there is face after, in addition to：
In the case of in the absence of face, the brightness of screen is adjusted by light sensor.
5. the method as any one of Claims 1-4, it is characterised in that pass through preposition shooting
Head is taken pictures to user, including：
The ambient brightness value of current environment is detected by light sensor；
Judge the ambient brightness value whether less than default ambient brightness value；
In the case where the ambient brightness value is less than the default ambient brightness value, pass through front camera pair
User is taken pictures.
6. the method as any one of Claims 1-4, it is characterised in that according to the iris
Before the brightness of the brightness value regulation screen in region, in addition to：
Determine face to the distance of screen by range sensor；
The distance is compared with one or more pre-determined distances, to determine the distance residing for the distance
Region；
Determine that screen intensity adjusts rank according to the distance areas.
7. a kind of device for adjusting screen intensity, it is characterised in that including：
Photo module, for being taken pictures by front camera to user, and preserves photo；
Face determining module, the position for determining face eye in the photo by face recognition technology,
And intercept the corresponding image of eye；
Computing module, for being positioned by biological identification technology in the eyes image to iris region,
And calculate the brightness value of the iris region；
Luminance adjustment module, the brightness for adjusting screen according to the brightness value of the iris region.
8. device as claimed in claim 7, it is characterised in that the luminance adjustment module includes：
Comparing unit, for the brightness value of the iris region to be entered with one or more default luminance thresholds
Row compares；
Brightness adjusting unit, screen is determined for the threshold range residing for the brightness value according to the iris region
The regulated value of brightness, to adjust the brightness of screen according to the regulated value.
9. device as claimed in claim 7, it is characterised in that the face determining module includes：
Face judging unit, for judging to whether there is face in the photo by face recognition technology；
Face determining unit, for depositing in the context of a person's face, face eye is determined by face recognition technology
The position in portion, and intercept the corresponding image of eye.
10. device as claimed in claim 9, it is characterised in that also include：
The face determining unit, is additionally operable in the case of in the absence of face, triggers the brightness regulation mould
Block adjusts the brightness of screen by light sensor.
11. the device as any one of claim 7 to 10, it is characterised in that the mould of taking pictures
Block includes：
Detection unit, the ambient brightness value for detecting current environment by light sensor；
Brightness judging unit, for judging the ambient brightness value whether less than default ambient brightness value；
Photographing unit, in the case of being less than the default ambient brightness value in the ambient brightness value, leads to
Front camera is crossed to take pictures to user.
12. the device as any one of claim 7 to 10, it is characterised in that described device is also
Including：
Before determining module, the brightness for adjusting screen according to the brightness value of the iris region, lead to
Crossing range sensor determines face to the distance of screen；
Apart from comparison module, for the distance to be compared with one or more pre-determined distances, to determine
Distance areas residing for the distance；
Rank determination module, for determining that screen intensity adjusts rank according to the distance areas.
13. a kind of intelligent terminal, it is characterised in that including：Described in any one of claim 7 to 12
Adjust the device of screen intensity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164819.0A CN107221303A (en) | 2016-03-22 | 2016-03-22 | A kind of method, device and intelligent terminal for adjusting screen intensity |
| PCT/CN2016/102318 WO2017161867A1 (en) | 2016-03-22 | 2016-10-18 | Screen brightness adjustment method and apparatus, and intelligent terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164819.0A CN107221303A (en) | 2016-03-22 | 2016-03-22 | A kind of method, device and intelligent terminal for adjusting screen intensity |
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| Publication Number | Publication Date |
|---|---|
| CN107221303A true CN107221303A (en) | 2017-09-29 |
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ID=59899296
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164819.0A Withdrawn CN107221303A (en) | 2016-03-22 | 2016-03-22 | A kind of method, device and intelligent terminal for adjusting screen intensity |
Country Status (2)
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| CN (1) | CN107221303A (en) |
| WO (1) | WO2017161867A1 (en) |
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