CN108646907A - Back light brightness regulating method and Related product - Google Patents
Back light brightness regulating method and Related product Download PDFInfo
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- CN108646907A CN108646907A CN201810353877.7A CN201810353877A CN108646907A CN 108646907 A CN108646907 A CN 108646907A CN 201810353877 A CN201810353877 A CN 201810353877A CN 108646907 A CN108646907 A CN 108646907A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3218—Monitoring of peripheral devices of display devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3231—Monitoring the presence, absence or movement of users
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
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Abstract
The embodiment of the present application discloses a kind of back light brightness regulating method and Related product, this method include：When the display screen of mobile terminal is in bright screen state, detect whether that there are user's sights to stare at the display screen；If there is no user's sights to stare at the display screen, the backlight illumination of the mobile terminal is turned down；If there are user's sights to stare at the display screen, the backlight of the mobile terminal is adjusted to and the matched brightness of current environment brightness.The embodiment of the present application can adjust the backlight illumination of mobile terminal, save the electricity of mobile terminal.
Description
Technical field
The present invention relates to field of terminal equipment more particularly to a kind of back light brightness regulating methods and Related product.
Background technology
With development in science and technology, the display screen performance of mobile terminal has a very big improvement, mobile in mobile phone, tablet computer etc.
In terms of the display of terminal, backlight illumination deeply influences use and visual experience of the user to mobile terminal.
General backlight is mainly to carry out brightness regulation according to the luminous intensity in ambient enviroment to be turned up if luminous intensity is larger
Backlight illumination dims backlight illumination if luminous intensity is smaller, can clearly be checked in different environment thereby using family aobvious
The content shown in display screen.But if some specific conditions are in, it is above-mentioned to carry out backlight illumination adjusting according to luminous intensity in environment
Method not enough precisely may cause mobile terminal electricity to waste.
Invention content
A kind of back light brightness regulating method of the embodiment of the present application offer and Related product, can adjust the back of the body of mobile terminal
Brightness saves the electricity of mobile terminal.
In a first aspect, the embodiment of the present application provides a kind of back light brightness regulating method, this method includes：
When the display screen of mobile terminal is in bright screen state, detect whether that there are user's sights to stare at the display screen；
If there is no user's sights to stare at the display screen, the backlight illumination of the mobile terminal is turned down；
If there are user's sights to stare at the display screen, the backlight of the mobile terminal is adjusted to bright with current environment
Spend matched brightness.
The embodiment of the present application second aspect provides a kind of mobile terminal, including detection unit and adjustment unit, wherein：
The detection unit, for when mobile terminal is in bright screen state, detecting whether that there are user's sights to stare at institute
State display screen；
The adjustment unit, it is described in the case where staring at the display screen there is no user's sight, turning down
The backlight illumination of mobile terminal；
The adjustment unit is additionally operable in the case where staring at the display screen there are user's sight, by the shifting
The backlight of dynamic terminal is adjusted to and the matched brightness of current environment brightness.
The embodiment of the present application third aspect provides a kind of mobile terminal, including processor and memory, the memory
For storing one or more programs, one or more of programs are configured to be executed by the processor, described program packet
It includes for executing the step some or all of as described in the embodiment of the present application first aspect either method.
The embodiment of the present application fourth aspect provides a kind of computer readable storage medium, the computer readable storage medium
Computer program for storing electronic data interchange, wherein the computer program makes computer execute as the application is real
Some or all of apply described in a first aspect either method step.
The 5th aspect of the embodiment of the present application provides a kind of computer program product, and the computer program product includes storage
The non-transient computer readable storage medium of computer program, the computer program are operable to that computer is made to execute such as
Step some or all of described in the embodiment of the present application first aspect either method.
In the embodiment of the present application, when the display screen of mobile terminal is in bright screen state, detect whether that there are user's sights
Stare at the display screen；If there is no user's sights to stare at display screen, the backlight illumination of mobile terminal is turned down；If there are users to regard
Line stares at display screen, and the backlight of mobile terminal is adjusted to and the matched brightness of current environment brightness.The embodiment of the present application can be examined
Survey and stare at the display screen of mobile terminal with the presence or absence of user's sight, detect stare at display screen there is no user's sight when, can
To turn down the backlight illumination of mobile terminal in time, to avoid there is mobile terminal power consumption problem caused by bright screen for a long time, and
In the case that user stares at display screen, backlight can be adjusted to the matched brightness of ambient brightness, reach suitable display effect, can
While ensureing user's visual experience, to save the electricity of mobile terminal.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of back light brightness regulating method disclosed in the embodiment of the present application；
Fig. 2 is the flow diagram of another back light brightness regulating method disclosed in the embodiment of the present application；
Fig. 3 is the schematic diagram of pupil position in a kind of human eye disclosed in the embodiment of the present application；
Fig. 4 is the flow diagram of another back light brightness regulating method disclosed in the embodiment of the present application；
Fig. 5 is a kind of structural schematic diagram of mobile terminal disclosed in the embodiment of the present application；
Fig. 6 is the structural schematic diagram of another mobile terminal disclosed in the embodiment of the present application；
Fig. 7 is the structural schematic diagram of another mobile terminal disclosed in the embodiment of the present application.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Term " first ", " second " in description and claims of this specification and above-mentioned attached drawing etc. are for distinguishing
Different objects, rather than for describing particular order.In addition, term " comprising " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as process, method, system, product or the equipment for containing series of steps or unit do not have
It is defined in the step of having listed or unit, but further includes the steps that optionally not listing or unit, or optionally also wrap
It includes for other intrinsic steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Mobile terminal involved by the embodiment of the present application may include various handheld devices with wireless communication function,
Mobile unit, wearable device, computing device or other processing equipments and various forms for being connected to radio modem
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as mobile terminal.
It describes in detail below to the embodiment of the present application.
It is a kind of schematic flow diagram of back light brightness regulating method provided by the embodiments of the present application, such as Fig. 1 institutes referring to Fig. 1
Show that this method may include：
101, when the display screen of mobile terminal is in bright screen state, which detects whether that there are user's sights to stare at
Above-mentioned display screen.
The display screen of mobile terminal may be at bright screen state and screen state of going out, and screen state of going out can be understood as display screen pass
It closes.In general, automatic screen extinguishing mode can be arranged in mobile terminal, under automatic screen extinguishing mode, user is whithin a period of time not
Mobile terminal is operated, then the display screen of mobile terminal extinguishes under program control, does not have brightness, for example, when mobile phone switches
Will go out screen blank screen in other words to main interface, when mobile phone does not operate whithin a period of time.Above-mentioned bright screen state be and go out screen shape
The opposite state of state, display screen works under bright screen state, can show various application interfaces or main interface, can also be movement
The locking screen interface of terminal.
However, in some special screnes, such as：Video playing scene, game running scene.Even if user opens certainly
Dynamic screen extinguishing mode, in order to ensure user experience, unless user extinguishes screen manually, otherwise mobile phone will not go out screen automatically.
Mobile terminal can detect whether display screen is in bright screen state, when the display screen of mobile terminal is in above-mentioned bright
When screen state, mobile terminal can detect whether that there are user's sights to stare at the display screen.Above-mentioned user's sight stares at display
Screen, refers to the case where user is just being look at the display screen, opposite, it is also possible to which that there is no the feelings that user's sight stares at display screen
Condition.
Specifically, mobile terminal can recognize whether that user's sight stares at display by way of following at least one
Screen：
(1) human eye photo is shot to determine human eye sight range by front camera, judges whether display screen is in people
Within the scope of an eye line, if so, determining that user's sight stares at display screen；If not, it is determined that user's sight does not stare at display screen.
(2) by eyeball tracking technical limit spacing Eyeball motion information, user is recognized whether according to Eyeball motion information
Sight stares at display screen；
(3) by infrared camera shoot human eye infrared signature image, then to the human eye infrared signature image of shooting into
Row processing, analyses whether that there are user's sights to stare at display screen.
102, the mobile terminal turns down the backlight illumination of the mobile terminal.
Above-mentioned there is no user's sights to stare at above-mentioned display screen, it can be understood as the sight focus of user is not in the display screen
On, situations such as either closed eyes to other directions or user may be seen the mobile terminal not used feelings placed somewhere
Condition.If there is no user's sights to stare at above-mentioned display screen, which can turn down the backlight illumination of the mobile terminal.
The display module of mobile terminal generally comprises：Display screen (for example, liquid crystal display), backlight are (for example, LED is carried on the back
Light source), driving circuit, connector and control circuit.Backlight is located at the behind of display screen, and display screen itself does not shine, and shows
Display screen shows that figure or character are the results that the light that display module generates backlight is modulated.Backlight is generally by light source
(for example, LED light), light guide plate (for example, light guide plate can be made of acrylic material), optical diaphragm, plastic frame etc. form.Light
Light guide plate is set above source, optical diaphragm is set above light guide plate.The light that light guide plate and optical diaphragm can generate light source
Be converted to uniform light.
Under automatic brightness adjustment pattern, the backlight illumination of mobile terminal can be carried out according to the change of ambient light intensity
Adjustment；Under manual brightness shaping modes, the backlight illumination of mobile terminal can be manually configured by user, once it sets
After backlight illumination, the backlight illumination of mobile terminal is then fixed up.
The backlight illumination that mobile terminal is adjusted in the embodiment of the present application is primarily referred to as the brightness of adjustment backlight.
The backlight illumination that above-mentioned mobile terminal turns down the mobile terminal is referred to and is stared at the presence or absence of user's sight detecting
On the basis of backlight illumination when display screen, backlight illumination is made to reduce.
Optionally, above-mentioned mobile terminal is turned down the backlight illumination of the mobile terminal and is specifically as follows：Mobile terminal is by backlight
Brightness is turned down to default low-light level, alternatively, mobile terminal turns down backlight illumination to lowest backlight brightness.
Above-mentioned default low-light level can be pre-set in mobile terminal, for example, default low-light level could be provided as the maximum back of the body
The 20% of brightness.When mobile terminal, which is detected, stares at above-mentioned display screen there is no user's sight, mobile terminal can will be carried on the back
Brightness is turned down to above-mentioned default low-light level；Above-mentioned minimum brightness is that the lowest backlight that the mobile terminal display screen can be arranged is bright
Degree (such as 5% of maximum backlight illumination), it is mobile when mobile terminal, which is detected, stares at above-mentioned display screen there is no user's sight
Terminal can turn down backlight illumination to above-mentioned minimum brightness；When mobile terminal detects that user's sight stares at above-mentioned display again
When screen, mobile terminal backlight illumination can be restored again to the matched brightness of current environment brightness.It is above-mentioned to turn down backlight illumination
Process can gradually turn down.
While executing step 102 or later, above-mentioned steps 101 can be executed by slipping by.If mobile terminal detects
There are user's sights to stare at above-mentioned display screen, can execute step 103.
103, the backlight of the mobile terminal is adjusted to and the matched brightness of current environment brightness by the mobile terminal.
If mobile terminal detects the presence of user's sight and stares at above-mentioned display screen, mobile terminal can pass through light sensor
Current environment brightness is detected, the backlight of the mobile terminal is adjusted to and the matched brightness of current environment brightness.
Above-mentioned ambient brightness can be understood as the illuminance in the mobile terminal display screen local environment, residing for mobile terminal
The different corresponding illuminance of scene differ.For example, indoors in dark scene, ambient brightness is strangled gram in 0-300
This (lux), indoors in brighter scene, ambient brightness is in 500-2000lux；In outdoor dark scene, ambient brightness
Can be 0-500lux, in outdoor general scene, ambient brightness is in 500-3000lux, in outdoor bright field scape, environment
Brightness is 3000lux or more.The mobile terminal can be stored with the mapping table of backlight illumination and ambient brightness, can be not
Same ambient brightness range corresponds to a backlight illumination, which can be according to current environment brightness, in above-mentioned corresponding pass
It is corresponding backlight illumination to be obtained in table, and backlight is adjusted to this backlight illumination.
The embodiment of the present application is particularly suitable for the user when the display screen of mobile terminal is in bright screen state and does not watch display attentively
The case where screen.For example, when the display screen of mobile terminal is in bright screen state, which is placed on one side by user, it is mobile
The display screen of terminal is likely to occur long bright situation, especially when ambient light is strong, mobile terminal electricity can be caused unrestrained
Take.
Specifically, the applicable scene of the embodiment of the present application may include：Scene of game, video playing scene or field of taking pictures
Scape does not use the mobile terminal really since user is after opening the application program of mobile terminal, in the prior art should
Mobile terminal will continue to the operating status in the application program, and by taking scene of game as an example, user accidentally opens or opens
After forgetting the game application of closing hand phone afterwards, mobile phone is placed on one side, mobile phone then will continue to be in game running state, and at this time
Backlight illumination it is usually brighter, prolonged bright screen wastes mobile phone electricity, if the mobile phone is automatically adjusted according to ambient brightness
Backlight illumination, if residing ambient brightness is larger, still can caused by the bright screen of the higher long-time of backlight illumination mobile phone electricity wave
Take.And by way of detecting user's sight, it can more accurately determine whether user is using mobile terminal (display screen),
It can be to avoid the power consumption condition of the bright screen of above-mentioned mobile terminal long-time.
In the embodiment of the present application, mobile terminal can be detected whether there are the display screen that user's sight stares at mobile terminal,
Detect stare at display screen there is no user's sight when, the backlight illumination of mobile terminal can be turned down in time, to reduce movement
The power consumption problem of the bright screen of terminal long-time, and in the case where user stares at display screen, backlight can be adjusted to and ambient brightness
The brightness matched reaches suitable display effect, can save the electricity of mobile terminal while ensureing user's visual experience.
Referring to Fig. 2, Fig. 2 is the flow diagram of another back light brightness regulating method disclosed in the embodiment of the present application,
Fig. 2 advanced optimizes to obtain on the basis of Fig. 1.As shown in Fig. 2, the back light brightness regulating method includes the following steps.
201, when the display screen of mobile terminal is in bright screen state, mobile terminal acquires environment map by front camera
Picture.
There is mobile terminal front camera, above-mentioned front camera can acquire the ambient image before display screen, mobile
Terminal can periodically acquire above-mentioned ambient image by above-mentioned front camera.
Wherein, step 201 can be executed periodically, for example, mobile terminal every five seconds for example acquires an ambient image.
Whether it includes eye image that 202, mobile terminal detects in above-mentioned ambient image.
In the case where collecting ambient image, above-mentioned ambient image can be identified in mobile terminal, detect ring
Whether include eye image in the image of border.
If not including above-mentioned eye image in above-mentioned ambient image, mobile terminal determines that there is no above-mentioned user's sights to stare at
Above-mentioned display screen can execute step 204.
203, the pupil position in the above-mentioned eye image of acquisition for mobile terminal, determines whether there is according to above-mentioned pupil position
Above-mentioned user's sight stares at above-mentioned display screen.
Specifically, mobile terminal can call the eye classification device carried in OpenCV, at above-mentioned ambient image
Reason, obtains the eye image in above-mentioned ambient image, which is the image comprising human eye.Mobile terminal passes through in detection
Whether include eye image, primarily determine and stare at display screen with the presence or absence of above-mentioned user's sight if stating in ambient image, if not including,
It then indicates unmanned eye fixation display screen at this time, that is, determines that there is no above-mentioned user's sights to stare at above-mentioned display screen, can execute step
Rapid 102.
Mobile terminal recognizes whether that user's sight stares at the mode of display screen and can specifically include：
(1) mobile terminal obtains ambient image by front camera, and ambient image is detected by eye recognition principle
In whether include eye image；
(2) determine that mobile terminal can distinguish human eye figure by gradation of image binary conversion treatment comprising after eye image
White of the eye region, iris region and pupil region as in；
(3) mobile terminal determines whether there is user's sight according to pupil position and stares at display screen.
Specifically, mobile terminal can detect the predeterminable area whether pupil position is located at eye image, if be located at,
Think that user's sight stares at display screen.The predeterminable area can be the intermediate region of eye image, as shown in figure 3, the eyes of people
Including white of the eye region and iris region, pupil is located in iris region, and predeterminable area is the region in dotted line frame.In Fig. 3, (a)
In pupil be located at predeterminable area, (b), (c), the pupil in (d) be not located at predeterminable area, then it is assumed that (a) is user's sight
Stare at the user's eyes image captured when display screen.
Optionally, mobile terminal can further judge whether the eyes of user are stared at the facial image in combining environmental image
Display screen, for example, mobile phone side face self-timer is used in user, the pupil position in the above-mentioned eye image obtained at this time is located at
The right of eyes, but the eyes of user stare at display screen this moment, and mobile terminal can pass through the face wheel in facial image
Exterior feature is more accurately detected.
If mobile terminal detects that there is no user's sights to stare at above-mentioned display screen, step 204 can be executed；If mobile whole
End detects the presence of user's sight and stares at above-mentioned display screen, can execute step 206.
204, mobile terminal turns down the backlight illumination of the mobile terminal.
205, mobile whole when proximity sensor detects object proximity and above-mentioned mobile terminal is not at talking state
Above-mentioned display screen is closed at end.
Proximity sensor is a kind of device with perception object proximity ability, it is using displacement sensor to close object
Body identifies the close of object with sensitivity characteristic, and can export respective switch signal, closes display screen and/or backlight.It moves
Dynamic terminal can detect object proximity using the proximity sensor of itself, if mobile terminal in talking state and above-mentioned does not connect
When nearly sensor detects object proximity, above-mentioned display screen can be closed.For example, when mobile phone is put into pocket or packet by user, connect
Nearly sensor can detect object proximity, and mobile phone is not at talking state at this time, and the display screen of mobile phone can close, and lead to
The electricity of mobile terminal can be saved by crossing the above method more.
206, the backlight of the mobile terminal is adjusted to and the matched brightness of current environment brightness by mobile terminal.
Wherein, above-mentioned steps 204 can distinguish step 102 and step in embodiment shown in Figure 1 with step 206
103 specifically describe, and details are not described herein again.
In the embodiment of the present application, mobile terminal can be acquired when display screen is in bright screen state by front camera
Ambient image, and above-mentioned ambient image is identified, it detects in ambient image whether to include eye image, if above-mentioned environment
Eye image is not included in image, mobile terminal determines that there is no above-mentioned user's sights to stare at above-mentioned display screen.If above-mentioned environment
Packet eye image in image, mobile terminal can obtain the pupil position in eye image, be according to the determination of above-mentioned pupil position
It is no that there are above-mentioned user's sights to stare at above-mentioned display screen.If mobile terminal detects the presence of user's sight and stares at above-mentioned display screen,
By backlight be adjusted to the matched brightness of current environment brightness, reach suitable display effect, user's visual experience promoted, if not depositing
Above-mentioned display screen is stared in user's sight, by turning down backlight illumination, the electricity of mobile terminal can be saved.
Referring to Fig. 4, Fig. 4 is the flow diagram of another back light brightness regulating method disclosed in the embodiment of the present application,
Fig. 4 advanced optimizes to obtain on the basis of Fig. 2.As shown in figure 4, the back light brightness regulating method includes the following steps.
301, when the display screen of mobile terminal is in bright screen state, mobile terminal acquires environment map by front camera
Picture.
Whether it includes eye image that 302, mobile terminal detects in above-mentioned ambient image.
If including above-mentioned eye image in above-mentioned ambient image, step 303 can be executed；If not wrapped in above-mentioned ambient image
Containing above-mentioned eye image, mobile terminal determines that there is no above-mentioned user's sights to stare at above-mentioned display screen, can execute step 304.
303, the pupil position in the above-mentioned eye image of acquisition for mobile terminal, determines whether there is according to above-mentioned pupil position
Above-mentioned user's sight stares at above-mentioned display screen.
If mobile terminal detects that there is no user's sights to stare at above-mentioned display screen, step 304 can be executed；If mobile whole
End detects the presence of user's sight and stares at above-mentioned display screen, can execute step 305.
304, mobile terminal turns down the backlight illumination of the mobile terminal.
305, whether mobile terminal judges in above-mentioned ambient image to include facial image.
Mobile terminal detects the presence of above-mentioned user's sight and stares at above-mentioned display screen, and mobile terminal can be to above-mentioned environment map
As being identified, judge.If including step 306 can be executed；If not including, step 306 and subsequent step are not executed.
306, mobile terminal extracts the face characteristic information in above-mentioned facial image.
If including facial image in above-mentioned ambient image, mobile terminal can extract above-mentioned face from above-mentioned portrait image
Characteristic information, above-mentioned face characteristic information can specifically include face eye feature, human eye nose it can be appreciated that face characteristic
Subcharacter, human eye mouth feature and assemblage characteristic.For example, face eye feature may include left and right eyeball size and shape,
Eye spacing etc.；Human eye nose feature may include nostril spacing, nose length etc.；Human eye mouth feature may include lip thickness
Degree, lip length etc.；Assemblage characteristic may include distance etc. of the nostril to the distance between left eye and right eye, left eye to lip.
307, mobile terminal judge above-mentioned face characteristic information whether with target face template matches.
In the embodiment of the present application, above-mentioned target face template is any one in pre-stored multiple face templates.
The embodiment of the present application is suitable for the scene that a mobile terminal can be used by more people.For example, one family is mobile whole using one
The scene at end.Since different users is different for the sensitivity of backlight illumination, different users can be directed to and set difference
Backlight illumination adjustable strategies, adjusted with meeting personalized backlight illumination.
Face template is composed for the face characteristic in multiple facial images of the same user based on acquisition.Often
One user is corresponding with a face template.In mobile terminal can the corresponding face template of typing multiple users in advance, and
Multiple face templates are stored in face template library.
In one possible implementation, mobile terminal judge above-mentioned face characteristic information whether with target face template
Matching, is specifically as follows：Each template in the face characteristic information of extraction and face template library is subjected to characteristic matching one by one,
Calculate the matching degree of each face template in the facial image and face template library, if the facial image being calculated with
Some face template matching degree is more than preset matching degree threshold value, then stops being matched, determine the facial image and face mould
Face template matches success in plate library, it is determined that above-mentioned face characteristic information and target face template matches can be held
Row step 308；If the matching degree of the facial image and face template for being calculated is less than above-mentioned preset matching degree threshold value,
Then it fails to match, determines that above-mentioned face characteristic information is mismatched with target face template, does not execute step 308.The application is implemented
Example can improve the safety of mobile terminal operation, prevent strange user from carrying out backlight adjusting to mobile terminal.
In one possible implementation, mobile terminal judge above-mentioned face characteristic information whether with target face template
Matching, is specifically as follows：Each template in the face characteristic information of extraction and face template library is subjected to characteristic matching one by one,
Using the highest face template of matching degree as target face template.The embodiment of the present application can be in the people in the ambient image of acquisition
When face image is second-rate, backlight illumination adjustable strategies are quickly executed, backlight illumination adjustment can be quickly carried out.
308, the corresponding ambient brightness of the above-mentioned target face template of acquisition for mobile terminal and backlight illumination mapping table.
Mobile terminal can also prestore the mapping table of face template, ambient brightness and backlight illumination, that is, be directed to
The face template of each storage, can correspond to the mapping table of an ambient brightness and backlight illumination, wherein different faces
The mapping table of template, corresponding backlight illumination can differ.In above-mentioned face characteristic information and target face template
In the case of matching, mobile terminal can obtain the corresponding ambient brightness of target face template and backlight illumination mapping table,
Wherein different ambient brightness ranges can correspond to a backlight illumination, such as ambient brightness is 0-10lux, and corresponding backlight is bright
Degree is the 10% of maximum backlight illumination, ambient brightness 10-50lux, and corresponding backlight illumination is the 20% of maximum backlight illumination,
And so on.Above-mentioned ambient brightness is got with after backlight illumination mapping table, step 309 can be executed.
309, mobile terminal determines above-mentioned current environment brightness according to above-mentioned ambient brightness and backlight illumination mapping table
Corresponding target backlight luminance.
After acquisition for mobile terminal to above-mentioned ambient brightness and backlight illumination mapping table, it can be worked as according to what is detected
Preceding ambient brightness determines that the corresponding backlight illumination of current environment brightness is target by way of inquiring above-mentioned mapping table
Backlight illumination.After determining above-mentioned target backlight luminance, step 310 can be executed.
310, the backlight of the mobile terminal is adjusted to above-mentioned target backlight luminance by mobile terminal.
The backlight of the mobile terminal can be adjusted to above-mentioned target by mobile terminal after determining above-mentioned target backlight luminance
Backlight illumination.
Optionally, the above method further includes：
Mobile terminal detects above-mentioned user's sight and stares at whether the duration of above-mentioned display screen is more than preset duration threshold value；
If so, mobile terminal exports prompt message, above-mentioned prompt message is for reminding user to carry out eye rest.
Specifically, mobile terminal can obtain the duration that above-mentioned user's sight stares at above-mentioned display screen, it should be noted that
, above-mentioned user's sight is user's sight of the same user, mobile terminal can by identification to eye image or
The identification of facial image determines that user identity, different user separate timing.Mobile terminal can be previously provided with preset duration threshold
Value, such as 50 minutes, 65 minutes or 100 minutes, when mobile terminal detects that user's sight of a user stares at display screen
Duration is more than above-mentioned preset duration threshold value, and mobile terminal exports prompt message, and above-mentioned prompt message can be voice messaging
Or text information, to prompt user to carry out eye rest, optionally, after above-mentioned output prompt message, if mobile terminal
It detects that there is no user's sights to stare at above-mentioned display screen, step 304 can be executed；Further, it is examined again in mobile terminal
It measures in the case of staring at display screen there are user's sight, mobile terminal can reacquire above-mentioned user's sight and stare at above-mentioned show
The duration of display screen is detecting that the duration that above-mentioned user's sight stares at above-mentioned display screen is more than preset duration threshold value
In the case of, export prompt message.
The embodiment of the present application is by detecting user's sight, and monitoring user persistently uses the duration of mobile terminal, in user
For a long time using call user's attention eye protection in the case of mobile terminal, remind user to rest, and detect in the prior art
Mobile terminal screen is lighted duration and is compared, accuracy higher.
Wherein, above-mentioned steps 301- steps 304 can refer in embodiment shown in Fig. 2 to step 201- steps respectively
204 specific descriptions, details are not described herein again.
In the embodiment of the present application, on the basis of embodiment shown in Fig. 2, the matching feature of face characteristic is increased, it is first
First mobile terminal can be identified by eye image judges whether that user's sight stares at display screen, and if it exists, judges acquisition
Ambient image in whether include facial image, if including, extract facial image in face characteristic information, and judge face spy
Reference breath whether with target face template matches, wherein target face template be pre-stored multiple face templates in appoint
Meaning one, if matching, can obtain the corresponding ambient brightness of target face template and backlight illumination mapping table, and then basis
The mapping table determines the corresponding target backlight luminance of current environmental light brightness, and backlight is adjusted to the target backlight luminance,
Since different people is different to the sensitivity of light, can be pre-set for different user in different rings by the above method
The best backlight illumination of visual effect under the brightness of border confirms user identity by recognition of face, then backlight is adjusted to working as front ring
The most suitable visual effect of the user under the brightness of border, improves user's visual experience.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is appreciated that
, for mobile terminal in order to realize above-mentioned function, it comprises execute the corresponding hardware configuration of each function and/or software mould
Block.Those skilled in the art should be readily appreciated that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, the present invention can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, and depend on the specific application and design constraint item of technical solution
Part.Professional technician specifically can realize described function to each using distinct methods, but this reality
Now it should not be considered as beyond the scope of the present invention.
The embodiment of the present application can carry out mobile terminal according to the above method example division of functional unit, for example, can
Each functional unit is divided with each function of correspondence, two or more functions can also be integrated in a processing unit
In.The form that hardware had both may be used in above-mentioned integrated unit is realized, can also be realized in the form of SFU software functional unit.It needs
It is noted that be schematical, only a kind of division of logic function to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Referring to Fig. 5, Fig. 5 is a kind of structural schematic diagram of mobile terminal disclosed in the embodiment of the present application.As shown in figure 5,
The mobile terminal 400 includes first detection unit 401, adjustment unit 402, wherein：
First detection unit 401, for when the display screen of mobile terminal is in bright screen state, detecting whether that there are users
Sight stares at the display screen.
Adjustment unit 402, the backlight illumination for turning down the mobile terminal.
Adjustment unit 402 is additionally operable to the backlight of the mobile terminal being adjusted to and the matched brightness of current environment brightness.
Optionally, adjustment unit 402 is additionally operable to, when proximity sensor detects object proximity and above-mentioned mobile terminal is not
When in talking state, above-mentioned display screen is closed.
Optionally, above-mentioned mobile terminal further includes：Collecting unit 403 and second detection unit 404, wherein：
Collecting unit 403, for acquiring ambient image by the front camera of above-mentioned mobile terminal.
Second detection unit 404, for whether detecting in above-mentioned ambient image comprising eye image.
First detection unit 401, is specifically used for, and does not include in above-mentioned ambient image if second detection unit 404 detects
Eye image determines that there is no above-mentioned user's sights to stare at above-mentioned display screen, if second detection unit 404 detects above-mentioned environment
Include eye image in image, obtains the pupil position in above-mentioned eye image, determined whether there is according to above-mentioned pupil position
Above-mentioned user's sight stares at above-mentioned display screen.
Optionally, above-mentioned mobile terminal further includes：Judging unit 405, extraction unit 406, acquiring unit 407 and determination
Unit 408, wherein：
Judging unit 405, for judging in above-mentioned ambient image whether to include facial image.
Extraction unit 406, for extracting the face characteristic information in above-mentioned facial image.
Judging unit 405, be additionally operable to judge above-mentioned face characteristic information whether with target face template matches, above-mentioned target
Face template is any one in pre-stored multiple face templates.
Acquiring unit 407, in the case where whether above-mentioned face characteristic information is with target face template matches, obtaining
The corresponding ambient brightness of above-mentioned target face template and backlight illumination mapping table.
Determination unit 408, for determining above-mentioned current environment according to above-mentioned ambient brightness and backlight illumination mapping table
The corresponding target backlight luminance of brightness.
The backlight of the mobile terminal is adjusted to specific with the mode of the matched brightness of current environment brightness by adjustment unit 402
For：
The backlight of above-mentioned mobile terminal is adjusted to above-mentioned target backlight luminance.
Optionally, above-mentioned mobile terminal further includes prompt unit 409, wherein：
Whether first detection unit 401 is additionally operable to, detect above-mentioned user's sight and stare at the duration of above-mentioned display screen and surpass
Cross preset duration threshold value.
Prompt unit 409, when the duration for staring at above-mentioned display screen in user's sight is more than preset duration threshold value,
Prompt message is exported, above-mentioned prompt message is for reminding user to carry out eye rest.
Implement mobile terminal shown in fig. 5, mobile terminal can detect whether that there are user's sights to stare at mobile terminal
Display screen, detect stare at display screen there is no user's sight when, the backlight illumination of mobile terminal can be turned down in time, to subtract
Backlight, can be adjusted to and environment by the power consumption problem of few mobile terminal bright screen for a long time, and in the case where user stares at display screen
The brightness of brightness matching reaches suitable display effect, can save mobile terminal while ensureing user's visual experience
Electricity.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another mobile terminal disclosed in the embodiment of the present application.Such as Fig. 6 institutes
Show, which includes processor 501 and memory 502, wherein mobile terminal 500 can also include bus 503, place
Reason device 501 and memory 502 can be connected with each other by bus 503, and bus 503 can be Peripheral Component Interconnect standard
(Peripheral Component Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended
Industry Standard Architecture, abbreviation EISA) bus etc..It is total that bus 503 can be divided into address bus, data
Line, controlling bus etc..For ease of indicating, only indicated with a thick line in Fig. 6, it is not intended that an only bus or a type
The bus of type.Wherein, mobile terminal 500 can also include input-output equipment 504, and input-output equipment 504 may include showing
Display screen, such as liquid crystal display.Memory 502 is used to store the one or more programs for including instruction；Processor 501 is for adjusting
With method and step some or all of in the above-mentioned Fig. 1-Fig. 4 of the instruction execution being stored in memory 502.
Implement mobile terminal shown in fig. 6, mobile terminal can detect whether that there are user's sights to stare at mobile terminal
Display screen, detect stare at display screen there is no user's sight when, the backlight illumination of mobile terminal can be turned down in time, to subtract
Backlight, can be adjusted to and environment by the power consumption problem of few mobile terminal bright screen for a long time, and in the case where user stares at display screen
The brightness of brightness matching reaches suitable display effect, can save mobile terminal while ensureing user's visual experience
Electricity.
The embodiment of the present application also provides another mobile terminals, as shown in fig. 7, for convenience of description, illustrate only with
The relevant part of the embodiment of the present application, particular technique details do not disclose, please refer to the embodiment of the present application method part.The movement
Terminal can be include mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS
The arbitrary terminal device such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, by taking mobile terminal is mobile phone as an example：
Fig. 7 shows the block diagram with the part-structure of the relevant mobile phone of mobile terminal provided by the embodiments of the present application.Ginseng
Fig. 7 is examined, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 910, memory 920, input unit 930, display unit
940, sensor 950, voicefrequency circuit 960, Wireless Fidelity (Wireless Fidelity, WiFi) module 970, processor 980,
And the equal components of power supply 990.It will be understood by those skilled in the art that handset structure shown in Fig. 7 is not constituted to mobile phone
It limits, may include either combining certain components or different components arrangement than illustrating more or fewer components.
Each component parts of mobile phone is specifically introduced with reference to Fig. 7：
RF circuits 910 can be used for sending and receiving for information.In general, RF circuits 910 include but not limited to antenna, at least one
A amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition,
RF circuits 910 can also be communicated with network and other equipment by radio communication.Above-mentioned wireless communication can use any communication
Standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code it is point more
Location (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division
Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service
(Short Messaging Service, SMS) etc..
Memory 920 can be used for storing software program and module, and processor 980 is stored in memory 920 by operation
Software program and module, to execute various function application and the data processing of mobile phone.Memory 920 can include mainly
Storing program area and storage data field, wherein storing program area can storage program area, the application journey needed at least one function
Sequence etc.；Storage data field can be stored uses created data etc. according to mobile phone.In addition, memory 920 may include high speed
Random access memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or
Other volatile solid-state parts.
Input unit 930 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 930 may include fingerprint recognition module 931 and other are defeated
Enter equipment 932.Fingerprint recognition module 931 can acquire the finger print data of user on it.In addition to fingerprint recognition module 931, input
Unit 930 can also include other input equipments 932.Specifically, other input equipments 932 can include but is not limited to touch-control
One kind in screen, physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
Or it is a variety of.
Display unit 940 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 940 may include display screen 941, optionally, liquid crystal display (Liquid Crystal may be used
Display, LCD), the forms such as organic or inorganic light emitting diode (Organic Light-Emitting Diode, OLED) come
Configure display screen 941.
Mobile phone may also include at least one sensor 950, such as optical sensor, motion sensor, pressure sensor, temperature
Sensor and other sensors.Specifically, optical sensor may include ambient light sensor (also referred to as light sensor) and connect
Nearly sensor, wherein ambient light sensor can adjust the backlight illumination of mobile phone according to the light and shade of ambient light, and then adjust aobvious
The brightness of display screen 941, proximity sensor can close display screen 941 and/or backlight when mobile phone is moved in one's ear.As movement
One kind of sensor, accelerometer sensor can detect in all directions the size of (generally three axis) acceleration, can be examined when static
Size and the direction for measuring gravity, can be used to identify mobile phone posture application (such as horizontal/vertical screen switching, magnetometer pose calibrating),
Vibration identification correlation function (such as pedometer, percussion) etc.；The gyroscope that can also configure as mobile phone, barometer, hygrometer, temperature
The other sensors such as meter, infrared sensor are spent, details are not described herein.
Voicefrequency circuit 960, loud speaker 961, microphone 962 can provide the audio interface between user and mobile phone.Audio-frequency electric
The transformed electric signal of the audio data received can be transferred to loud speaker 961 by road 960, and sound is converted to by loud speaker 961
Signal plays；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is turned after being received by voicefrequency circuit 960
It is changed to audio data, then by after the processing of audio data playback process device 980, through RF circuits 910 to be sent to such as another mobile phone,
Or audio data is played to memory 920 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 970
Part, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 7 is shown
WiFi module 970, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can not change as needed completely
Become in the range of the essence of invention and omits.
Processor 980 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 920, and call and be stored in memory 920
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 980 can wrap
Include one or more processing units；Preferably, processor 980 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 980.
Mobile phone further includes the power supply 990 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 980 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Mobile phone further includes camera 9100, and camera 9100 by the image of shooting and is regarded for shooting image and video
It keeps pouring in and defeated is handled to processor 980.
Mobile phone can be with bluetooth module etc., and details are not described herein.
In earlier figures 1- embodiments shown in Fig. 4, each step method flow can be realized based on the structure of the mobile phone.
The embodiment of the present application also provides a kind of computer storage media, wherein computer storage media storage is for electricity
The computer program that subdata exchanges, it is any as described in above method embodiment which so that computer is executed
A kind of some or all of back light brightness regulating method step.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of any type back light brightness regulating method described in method embodiment step.
It should be noted that for each method embodiment above-mentioned, for simple description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence because
According to the present invention, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, for example, the unit division, it is only a kind of
Division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer-readable access to memory.Based on this understanding, technical scheme of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention
Step.And memory above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer-readable memory, memory
May include：Flash disk, read-only memory (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention；
Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change place, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (12)
1. a kind of back light brightness regulating method, which is characterized in that the method includes：
When the display screen of mobile terminal is in bright screen state, detect whether that there are user's sights to stare at the display screen；
If there is no user's sights to stare at the display screen, the backlight illumination of the mobile terminal is turned down；
If there are user's sights to stare at the display screen, the backlight of the mobile terminal is adjusted to and current environment brightness
The brightness matched.
2. according to the method described in claim 1, it is characterized in that, after the backlight illumination for turning down the mobile terminal,
The method further includes：
When proximity sensor detects object proximity and the mobile terminal is not at talking state, the display is closed
Screen.
3. method according to claim 1 or 2, which is characterized in that described to detect whether that there are user's sights to stare at display
Screen, including：
Ambient image is acquired by the front camera of the mobile terminal；
Whether detect in the ambient image includes eye image；
If not including, determine that there is no user's sights to stare at the display screen, if including, it obtains in the eye image
Pupil position determines whether there is user's sight according to the pupil position and stares at the display screen.
4. according to the method described in claim 3, it is characterized in that, described determine whether there is user according to the pupil position
After sight stares at the display screen, the method further includes：
If there are user's sights to stare at the display screen, judge in the ambient image whether to include facial image；
If including extracting the face characteristic information in the facial image；
Judge the face characteristic information whether with target face template matches, the target face template be it is pre-stored more
Any one in a face template；
If matching, obtains the corresponding ambient brightness of the target face template and backlight illumination mapping table；
The backlight by the mobile terminal be adjusted to the matched brightness of current environment brightness, including：
Determine that the corresponding target backlight of the current environment brightness is bright according to the ambient brightness and backlight illumination mapping table
Degree；
The backlight of the mobile terminal is adjusted to the target backlight luminance.
5. according to claim 1-4 any one of them methods, which is characterized in that the backlight by the mobile terminal is adjusted to
After the matched brightness of ambient brightness, the method further includes：
It detects user's sight and stares at whether the duration of the display screen is more than preset duration threshold value；
If so, output prompt message, the prompt message is for reminding user to carry out eye rest.
6. a kind of mobile terminal, which is characterized in that including detection unit and adjustment unit, wherein：
The detection unit, for when mobile terminal is in bright screen state, detecting whether that there are user's sights to stare at described show
Display screen；
The adjustment unit, in the case where staring at the display screen there is no user's sight, turning down the movement
The backlight illumination of terminal；
The adjustment unit is additionally operable in the case where staring at the display screen there are user's sight, will be described mobile whole
The backlight at end is adjusted to and the matched brightness of current environment brightness.
7. mobile terminal according to claim 6, which is characterized in that the adjustment unit is additionally operable to, and works as proximity sensor
When detecting that object proximity and the mobile terminal are not at talking state, the display screen is closed.
8. the mobile terminal described according to claim 6 or 7, which is characterized in that the mobile terminal include front camera with
And first acquisition unit, the front camera is for acquiring ambient image；
Whether the detection unit, it includes eye image to be additionally operable to detect in the ambient image；
The first acquisition unit, for obtaining the pupil position in the eye image；
The detection unit detects whether that there are user's sights to stare at display when the display screen of mobile terminal is in bright screen state
The mode of screen is specially：
Eye image is not included in the ambient image when the detection unit detects, the detection unit, which determines, is not present institute
It states user's sight and stares at the display screen, include the eye image when the detection unit detects in the ambient image,
The detection unit determines whether there is user's sight according to the pupil position and stares at the display screen.
9. mobile terminal according to claim 8, which is characterized in that the mobile terminal further includes judging unit, extraction
Unit and second acquisition unit,
The judging unit, for judging in the ambient image whether to include facial image；
The extraction unit, for extracting the face characteristic information in the facial image；
The judging unit is additionally operable to, judge the face characteristic information whether with target face template matches, the target person
Face template is any one in pre-stored multiple face templates；
The second acquisition unit, for judging the face characteristic information and the target face template in the judging unit
In the case of matched, the corresponding ambient brightness of the target face template and backlight illumination mapping table are obtained；
The adjustment unit is additionally operable to, and determines that the current environment is bright with backlight illumination mapping table according to the ambient brightness
Spend corresponding target backlight luminance；
The backlight of the mobile terminal is adjusted to the target backlight luminance.
10. mobile terminal according to claim 9, which is characterized in that the mobile terminal further includes prompt unit, described
Detection unit is additionally operable to, and is detected user's sight and is stared at whether the duration of the display screen is more than preset duration threshold value；
The prompt unit, for exporting prompt message, the prompt message is for reminding user to carry out eye rest.
11. a kind of mobile terminal, which is characterized in that including processor and memory, the memory for store one or
Multiple programs, one or more of programs are configured to be executed by the processor, and described program includes for executing as weighed
Profit requires 1-5 any one of them methods.
12. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing electron number
According to the computer program of exchange, wherein it is as described in any one in claim 1-5 that the computer program so that computer executes
Method.
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| CN109658904A (en) * | 2019-02-20 | 2019-04-19 | 北京七鑫易维信息技术有限公司 | A kind of screen luminance adjustment method and device |
| CN109711135A (en) * | 2018-12-28 | 2019-05-03 | 努比亚技术有限公司 | A kind of method, terminal and the computer readable storage medium of the control of breath screen |
| CN110879658A (en) * | 2019-11-18 | 2020-03-13 | 北京小米移动软件有限公司 | Method and device for adjusting display brightness, electronic equipment and storage medium |
| CN111179880A (en) * | 2019-12-26 | 2020-05-19 | 恒大新能源汽车科技(广东)有限公司 | Brightness adjusting method and device of display screen, electronic equipment and system |
| CN111452616A (en) * | 2020-03-30 | 2020-07-28 | 广州小鹏汽车科技有限公司 | Information display control method and device and vehicle |
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| CN112328069A (en) * | 2020-11-26 | 2021-02-05 | 广东小天才科技有限公司 | Power consumption control method and device of liquid crystal display module and electronic equipment |
| CN112397033A (en) * | 2019-08-18 | 2021-02-23 | 海信视像科技股份有限公司 | Display device and backlight brightness adjusting method |
| CN113487632A (en) * | 2021-07-16 | 2021-10-08 | 中国科学院自动化研究所 | Ampoule bottle neck detection system, method and equipment for liquid preparation robot |
| CN113903317A (en) * | 2021-10-19 | 2022-01-07 | Oppo广东移动通信有限公司 | Screen brightness adjusting method and device of electronic equipment and electronic equipment |
| CN114170975A (en) * | 2021-12-08 | 2022-03-11 | Tcl华星光电技术有限公司 | Display brightness adjusting method and device, display device and storage medium |
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