CN106297675A - A kind of method for controlling backlight thereof and device - Google Patents
A kind of method for controlling backlight thereof and device Download PDFInfo
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- CN106297675A CN106297675A CN201510254218.4A CN201510254218A CN106297675A CN 106297675 A CN106297675 A CN 106297675A CN 201510254218 A CN201510254218 A CN 201510254218A CN 106297675 A CN106297675 A CN 106297675A
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- backlight
- pupil size
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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
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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
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The embodiment of the invention discloses a kind of method for controlling backlight thereof, described method includes: obtain the pupil size of user under current environment light and backlight illumination；Judge whether to need to carry out backlight adjustment according to described pupil size；If it is required, determine that backlight adjusts parameter, and adjust parameter adjustment backlight illumination based on described backlight；Otherwise, keep current backlight brightness constant.Meanwhile, the embodiment of the invention also discloses a kind of backlight control apparatus.
Description
Technical field
The present invention relates to Display Technique field, be specifically related to a kind of method for controlling backlight thereof and device.
Background technology
At present, the electronic equipment (such as mobile phone, panel computer etc.) of dorsal support brightness regulation is increasingly subject to
The welcome of user.In order to realize backlight illumination regulation, prior art mainly has two kinds of solutions: a kind of
Being manually regulation, one is to be automatically adjusted.For manually regulation, have greatly changed in ambient light every time
Time, it is required for the most manual adjusting backlight luminance of user, very inconvenience；For being automatically adjusted, although energy
According to ambient light regulate brightness, but this regulation is fixing, and the vision of each user, to light
The sensitivitys of line etc. are different, often cannot meet comfort level when all users watch screen.It addition,
Under a lot of scenes, the ambient light data that the photo-sensitive cell in electronic equipment collects is inaccurate, as with
When family is back to light source, ambient light that electronic equipment samples and the ambient light that human eye is experienced differ.
Therefore, the backlight illumination regulating electronic equipment the most for greater flexibility is urgently to improve the satisfaction of each user
Problem to be solved.
Summary of the invention
In view of this, embodiment of the present invention expectation provides a kind of method for controlling backlight thereof and device, can be in various fields
Carrying out backlight illumination adjustment under scape neatly, raising user watches comfort level during screen.
For reaching above-mentioned purpose, the technical scheme of the embodiment of the present invention is achieved in that
Embodiments providing a kind of method for controlling backlight thereof, described method includes:
Obtain the pupil size of user under current environment light and backlight illumination；
Judge whether to need to carry out backlight adjustment according to described pupil size；
If it is required, determine that backlight adjusts parameter, and adjust parameter adjustment backlight illumination based on described backlight；
Otherwise, keep current backlight brightness constant.
Preferably, under described acquisition current environment light and backlight illumination before the pupil size of user, also include:
Obtain ambient light data；
When detecting that current environment light data change relative to a upper moment ambient light data, and changing value
Meet first pre-conditioned time, determine based on described current environment light data and match with described current environment light
Backlight level；
According to the preliminary adjusting backlight luminance of described backlight level.
Preferably, described judge whether to need to carry out backlight adjustment according to described pupil size, including:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Preferably, described method also includes:
Pre-set synopsis；
Wherein, described synopsis is used for storing ambient light, backlight level with standard pupil size one to one
Corresponding relation.
Preferably, described determine backlight adjust parameter, including:
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
Preferably, described adjust after parameter adjustment backlight illumination based on described backlight, also include:
Record adjusts the pupil size of the user after backlight illumination；
The difference of the standard pupil size corresponding to backlight illumination after judging described pupil size and adjusting, obtains
Obtain judged result；
When judged result meet second pre-conditioned time, update in described synopsis with described ambient light, described
The standard pupil size that backlight illumination after adjustment is corresponding.
The embodiment of the present invention additionally provides a kind of backlight control apparatus, and described device includes:
First acquiring unit, for obtaining the pupil size of user under current environment light and backlight illumination；
Judging unit, for judging whether to need to carry out backlight adjustment according to described pupil size；
First control unit, for when described judging unit judges to need to carry out backlight adjustment, determining backlight
Adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；When described judging unit judges to be not required to
When backlight to be carried out adjusts, keep current backlight brightness constant.
Preferably, described device also includes:
Second acquisition unit, is used for obtaining ambient light data；
Determine unit, for when detecting that current environment light data occur relative to a upper moment ambient light data
Change, and changing value meet first pre-conditioned time, based on described current environment light data determine with described work as
The backlight level that front ambient light matches；
Second control unit, for according to the preliminary adjusting backlight luminance of described backlight level.
Preferably, described judging unit, it is additionally operable to:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Preferably, described device also includes:
Unit is set, is used for pre-setting synopsis；
Wherein, described synopsis is used for storing ambient light, backlight level with standard pupil size one to one
Corresponding relation.
Preferably, described first control unit, it is additionally operable to:
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
Preferably, described device also includes:
Updating block, is used for: record adjusts the pupil size of the user after backlight illumination；Judge described pupil
The difference of the standard pupil size corresponding to backlight illumination after size and adjustment, it is thus achieved that judged result；When sentencing
Disconnected result meet second pre-conditioned time, update in described synopsis with described ambient light, described adjustment after
The standard pupil size that backlight illumination is corresponding.
The method for controlling backlight thereof of embodiment of the present invention offer and device, obtain under current environment light and backlight illumination
The pupil size of user；Judge whether to need to carry out backlight adjustment according to described pupil size；If it is required,
Determine that backlight adjusts parameter, and adjust parameter adjustment backlight illumination based on described backlight；Otherwise, keep current
Backlight illumination is constant.So, technical scheme described in the embodiment of the present invention solves " current backlight regulation side
Formula cannot meet convenient and individual character and coexist " problem, backlight illumination tune can be carried out under various scenes neatly
Whole, substantially increase the experience of user.Concrete, technical scheme of the present invention can be according to user's pupil
The change in hole judges current ambient light, and the ambient light data making acquisition is the most accurate, and then according to more accurate
Backlight illumination is automatically adjusted by true ambient light data, solves " oneself in the regulation of current backlight illumination
It is dynamic that to regulate regulation inflexible, manual loaded down with trivial details " problem, it is possible to different to the sensitivity of light based on each user
Practical situation make be best suitable for this user backlight regulation；Simultaneously, moreover it is possible to make at the display screen of electronic equipment
In the brightness of user's the most comfortable, thus play alleviation eye strain, the effect of protection vision, substantially increase
Consumer's Experience.
Accompanying drawing explanation
The schematic flow sheet one of the method for controlling backlight thereof that Fig. 1 provides for the embodiment of the present invention；
The schematic flow sheet two of the method for controlling backlight thereof that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet three of the method for controlling backlight thereof that Fig. 3 provides for the embodiment of the present invention；
The schematic flow sheet four of the method for controlling backlight thereof that Fig. 4 provides for the embodiment of the present invention；
The hardware schematic realizing method for controlling backlight thereof that Fig. 5 provides for the embodiment of the present invention；
The composition structural representation one of the backlight control apparatus that Fig. 6 provides for the embodiment of the present invention；
The composition structural representation two of the backlight control apparatus that Fig. 7 provides for the embodiment of the present invention；
The composition structural representation three of the backlight control apparatus that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
In order to be better understood from the present invention, first introduce the pupil of the people situation of change under different light intensity.
Concrete, the pupil of people can reduce along with the power of light or become greatly, light is strong when, and people
Pupil will reduce, to reduce lighting quantity；And when dark, pupil will amplify, thus all the time
Allowing appropriate light enter eyes, make object image on the retina both clear, face does not the most have excess
Light burn retina.Technical scheme of the present invention relies on this characteristic of human eye just, it is proposed that
A kind of new paragon optimizing backlight regulation.
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
The schematic flow sheet one of the method for controlling backlight thereof that Fig. 1 provides for the embodiment of the present invention, is applied to electronics and sets
In Bei, as it is shown in figure 1, described method for controlling backlight thereof mainly comprises the steps that
Step 101: obtain the pupil size of user under current environment light and backlight illumination.
Preferably, under described acquisition current environment light and backlight illumination, the pupil size of user, may include that
Pupil picture by the camera collection user of described electronic equipment；
The pupil size of described user is calculated according to described pupil picture.
Here, described photographic head typically refers to the front-facing camera of described electronic equipment.
Preferably, gather N and open the pupil picture of user, open user's pupil picture based on described N and calculate described
The pupil size of user；Wherein, N is the positive integer more than or equal to 2.
Step 102: judge whether to need to carry out backlight adjustment according to described pupil size；If it is required, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；Otherwise, the current back of the body is kept
Brightness is constant.
Preferably, described judge whether to need to carry out backlight adjustment according to described pupil size, it may include:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Specifically, described determine backlight adjust parameter, may include that
Calculate the ratio of described pupil size and the standard pupil size under described backlight illumination；
According to described ratio, and combine the first algorithm determine backlight adjust parameter.
Here, described first algorithm can be adaptive algorithm.
Specifically, described based on described backlight adjustment parameter adjustment backlight illumination, may include that
Backlight determined by according to adjusts parameter, resets backlight illumination (or backlight level).
Certainly, described based on described backlight adjust parameter adjustment backlight illumination time, it is also possible to existing backlight is bright
Based on degree (or backlight level), increase or reduce backlight illumination (or backlight level) one by one, until adjusting
Amount adjusts parameter for described backlight.
In such scheme, it is preferable that the pupil size of user under described acquisition current environment light and backlight illumination
Before, it is also possible to including:
Obtain ambient light data；
When detecting that current environment light data change relative to a upper moment ambient light data, and changing value
Meet first pre-conditioned time, determine based on described current environment light data and match with described current environment light
Backlight level；
According to the preliminary adjusting backlight luminance of described backlight level.
Here it is possible to carried out in real time or periodically sense the brightness of current environment light by sensitive chip.
When real-time induced environment light data, a upper moment may refer to one second；When periodically sensing
During ambient light data, a upper moment may refer to a cycle.
The described first pre-conditioned difference that may is that current environment light data and a upper moment ambient light data
Absolute value more than or equal to first threshold；Wherein, described first threshold can be set according to practical situation.
It should be noted that each backlight level can be a point, it is also possible to be a scope；Namely
Saying, described backlight level can an only corresponding backlight brightness values, it is also possible to corresponding multiple backlight brightness values.
In such scheme, described method can also include:
Pre-set synopsis；
Wherein, described synopsis is used for storing ambient light, backlight level with standard pupil size one to one
Corresponding relation.
Certainly, described ambient light, backlight level and standard pupil size corresponding relation one to one, also may be used
Presented in data base.
Preferably, when in electronic equipment storage have synopsis time, described determine backlight adjust parameter, can wrap
Include:
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
Preferably, described adjust after parameter adjustment backlight illumination based on described backlight, it is also possible to including:
Record adjusts the pupil size of the user after backlight illumination；
The difference of the standard pupil size corresponding to backlight illumination after judging described pupil size and adjusting, obtains
Obtain judged result；
When judged result meet second pre-conditioned time, update in described synopsis with described ambient light, described
The standard pupil size that backlight illumination is corresponding.
Here, the described second pre-conditioned backlight illumination institute that may is that after described pupil size and adjustment is right
The absolute value of the difference of the standard pupil size answered is more than Second Threshold, and described Second Threshold can be according to reality
Situation is set, as being set to 0.01mm；Or,
Under the scene of the described second pre-conditioned backlight illumination that may is that after this ambient light and this adjustment,
The pupil size of user is that the number of times of described pupil size is more than or equal to the 3rd threshold value, and described 3rd threshold value is permissible
It is set according to practical situation, as being set to 2 times.
It is to say, custom when user watches electronic equipment screen under certain ambient light may change,
Therefore, in order to be adjusted to be suitable for the backlight illumination of user faster, more new database (or in synopsis) is needed
The information of standard pupil size.
In the present embodiment, described electronic equipment refer to dorsal support brightness regulation electronic equipment, as mobile phone,
Panel computer etc..
For example, when user's handheld mobile phone is back to light source, now user is back to light source, and faced by mobile phone
Light source, the brightness A that ambient light is lamp direct projection that now mobile phone backlight is experienced, and user's eye is because back to light
Source, the ambient light therefore experienced is B, it is evident that A > B.For current automatic backlight regulation,
Mobile phone can regulate backlight according to A, but for a user, but needs to regulate backlight according to B.
Now user's eye is because the ambient light experienced is B, and pupil size is natural to be regulated according to B, and this
Shi Shouji is to regulate brightness according to A, and wanting that brightness ratio user's eye needs is big, now thus can somewhat feel
Dazzling.
And use method for controlling backlight thereof of the present invention, can be after mobile phone backlight be adjusted to A luminous environment, again
Sampling pupil size, and by anti-ambient light B released now of pupil size, thus get user
Ambient light B that eye really needs, thus adjust backlight by ambient light B again, reach to make user the most easypro
Suitable brightness.
And when user is in the face of light source, process is just the opposite, and ambient light A that mobile phone is experienced is less than user
Ambient light B that eye is experienced, if now mobile phone adjusts ambient light according to A, then nature can allow user feel
Some is dim.And method for controlling backlight thereof of the present invention obtains, by sampling pupil size, the ring that user's eye needs
Border light B can reach the brightness of user's eye the most comfortable naturally.
By technical scheme described in the present embodiment, obtain the pupil of user under current environment light and backlight illumination big
Little；Judge whether to need to carry out backlight adjustment according to described pupil size；If it is required, determine that backlight adjusts
Parameter, and adjust parameter adjustment backlight illumination based on described backlight；Otherwise, keep current backlight brightness constant；
So, the problem solving " current backlight regulative mode cannot meet convenient and individual character and coexist ", can be
Carry out backlight illumination adjustment under various scenes neatly, substantially increase the experience of user.
The schematic flow sheet two of the method for controlling backlight thereof that Fig. 2 provides for the embodiment of the present invention, is applied to electronics and sets
In Bei, as in figure 2 it is shown, described method for controlling backlight thereof mainly comprises the steps that
Step 201: obtain ambient light data.
Here it is possible to carried out in real time or periodically sense the brightness of current environment light by sensitive chip.
Step 202: when detecting that current environment light data change relative to a upper moment ambient light data,
And changing value meet first pre-conditioned time, determine and described current environment based on described current environment light data
The backlight level that light matches.
Here, when real-time induced environment light data, a upper moment may refer to one second；When periodically
During ground induced environment light data, a upper moment may refer to a cycle.
The described first pre-conditioned difference that may is that current environment light data and a upper moment ambient light data
Absolute value more than or equal to first threshold；Wherein, described first threshold can be set according to practical situation.
It should be noted that each backlight level can be a point, it is also possible to be a scope；Namely
Saying, described backlight level can an only corresponding backlight brightness values, it is also possible to corresponding multiple backlight brightness values.
Wherein, in the data base of described electronic equipment, storage has the corresponding relation of ambient light data and backlight level.
Step 203: according to the preliminary adjusting backlight luminance of described backlight level.
Step 204: obtain the pupil size of user under current environment light and backlight illumination.
Here, described photographic head typically refers to the front-facing camera of described electronic equipment.
Preferably, gather N and open the pupil picture of user, open user's pupil picture according to presetting based on described N
Algorithm calculates the pupil size of described user；Wherein, N is the positive integer more than or equal to 2.
Step 205: judge whether to need to carry out backlight adjustment according to described pupil size；If it is required, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；Otherwise, the current back of the body is kept
Brightness is constant.
Preferably, described judge whether to need to carry out backlight adjustment according to described pupil size, it may include:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Specifically, described determine backlight adjust parameter, may include that
Calculate the ratio of described pupil size and the standard pupil size under described backlight illumination；
According to described ratio, and combine the first algorithm determine backlight adjust parameter.
Here, described first algorithm can be adaptive algorithm.
Specifically, described based on described backlight adjustment parameter adjustment backlight illumination, may include that
Backlight determined by according to adjusts parameter, resets backlight illumination (or backlight level).
Certainly, described based on described backlight adjust parameter adjustment backlight illumination time, it is also possible to existing backlight is bright
Based on degree (or backlight level), increase or reduce backlight illumination (or backlight level) one by one, until adjusting
Amount adjusts parameter for described backlight.
In the present embodiment, described electronic equipment refer to dorsal support brightness regulation electronic equipment, as mobile phone,
Panel computer etc..
By technical scheme described in the present embodiment, obtain ambient light data；When current environment light data being detected
Change relative to a upper moment ambient light data, and changing value meet first pre-conditioned time, based on institute
State current environment light data and determine the backlight level matched with described current environment light；According to described backlight etc.
The preliminary adjusting backlight luminance of level；Obtain the pupil size of user under current environment light and backlight illumination；According to institute
State pupil size to judge whether to need to carry out backlight adjustment；If it is required, determine that backlight adjusts parameter, and base
Parameter adjustment backlight illumination is adjusted in described backlight；Otherwise, keep current backlight brightness constant；So, solve
The problem of " being automatically adjusted regulation inflexible, manual loaded down with trivial details " in current backlight illumination of having determined regulation, it is possible to based on
The practical situation that the sensitivity of light is different is made the backlight regulation being best suitable for this user by each user, makes electricity
The display screen of subset is in the brightness of user's the most comfortable, substantially increases Consumer's Experience.
The schematic flow sheet three of the method for controlling backlight thereof that Fig. 3 provides for the embodiment of the present invention, is applied to electronics and sets
In Bei, in described electronic equipment, storage has record to have ambient light, backlight level and standard pupil size one a pair
The data base of the corresponding relation answered, as it is shown on figure 3, described method for controlling backlight thereof mainly comprises the steps that
The schematic flow sheet three of the method for controlling backlight thereof that Fig. 3 provides for the embodiment of the present invention, is applied to electronics and sets
In Bei, as it is shown on figure 3, described method for controlling backlight thereof mainly comprises the steps that
Step 301: obtain ambient light data.
Here it is possible to carried out in real time or periodically sense the brightness of current environment light by sensitive chip.
Step 302: when detecting that current environment light data change relative to a upper moment ambient light data,
And changing value meet first pre-conditioned time, determine and described current environment based on described current environment light data
The backlight level that light matches.
The described first pre-conditioned difference that may is that current environment light data and a upper moment ambient light data
Absolute value more than or equal to first threshold；Wherein, described first threshold can be set according to practical situation.
It should be noted that each backlight level can be a point, it is also possible to be a scope；Namely
Saying, described backlight level can an only corresponding backlight brightness values, it is also possible to corresponding multiple backlight brightness values.
Wherein, in the data base of described electronic equipment, storage has the corresponding relation of ambient light data and backlight level.
Step 303: according to the preliminary adjusting backlight luminance of described backlight level.
Step 304: obtain the pupil size of user under current environment light and backlight illumination.
Here, described photographic head typically refers to the front-facing camera of described electronic equipment.
Preferably, gather N and open the pupil picture of user, open user's pupil picture according to presetting based on described N
Algorithm calculates the pupil size of described user；Wherein, N is the positive integer more than or equal to 2.
Step 305: judge whether to need to carry out backlight adjustment according to described pupil size；If it is required, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；Otherwise, the current back of the body is kept
Brightness is constant.
Preferably, described judge whether to need to carry out backlight adjustment according to described pupil size, it may include:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Preferably, described determine backlight adjust parameter, may include that
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
Specifically, described based on described backlight adjustment parameter adjustment backlight illumination, may include that
Backlight determined by according to adjusts parameter, resets backlight illumination (or backlight level).
Certainly, described based on described backlight adjust parameter adjustment backlight illumination time, it is also possible to existing backlight is bright
Based on degree (or backlight level), increase or reduce backlight illumination (or backlight level) one by one, until adjusting
Amount adjusts parameter for described backlight.
Step 306: judge whether to need more new database, if it is desired, data base is updated.
Preferably, described adjust after parameter adjustment backlight illumination based on described backlight, it is also possible to including:
Record adjusts the pupil size of the user after backlight illumination；
The difference of the standard pupil size corresponding to backlight illumination after judging described pupil size and adjusting, obtains
Obtain judged result；
When judged result meet second pre-conditioned time, update in described synopsis with described ambient light, described
The standard pupil size that backlight illumination is corresponding.
Here, the described second pre-conditioned backlight illumination institute that may is that after described pupil size and adjustment is right
The absolute value of the difference of the standard pupil size answered is more than Second Threshold, and described Second Threshold can be according to reality
Situation is set, as being set to 0.01mm；Or,
Under the scene of the described second pre-conditioned backlight illumination that may is that after this ambient light and this adjustment,
The pupil size of user is that the number of times of described pupil size is more than or equal to the 3rd threshold value, and described 3rd threshold value is permissible
It is set according to practical situation, as being set to 2 times.
It is to say, custom when user watches electronic equipment screen under certain ambient light may change,
Therefore, in order to be adjusted to be suitable for the backlight illumination of user faster, more new database (or in synopsis) is needed
The information of standard pupil size.
In the present embodiment, described electronic equipment refer to dorsal support brightness regulation electronic equipment, as mobile phone,
Panel computer etc..
By technical scheme described in the present embodiment, obtain ambient light data；When current environment light data being detected
Change relative to a upper moment ambient light data, and changing value meet first pre-conditioned time, based on institute
State current environment light data and determine the backlight level matched with described current environment light；According to described backlight etc.
The preliminary adjusting backlight luminance of level；Obtain the pupil size of user under current environment light and backlight illumination；According to institute
State pupil size to judge whether to need to carry out backlight adjustment；If it is required, determine that backlight adjusts parameter, and base
Parameter adjustment backlight illumination is adjusted in described backlight；Otherwise, keep current backlight brightness constant；Judge whether
Need more new database, if it is desired, data base is updated.So, it is possible based on each user couple
The practical situation that the sensitivity of light is different makes the backlight regulation being best suitable for this user, and the data that upgrade in time
Storehouse, when user changes the custom of viewing electronic equipment screen, also can quickly provide the user service, make
The display screen of electronic equipment is in the brightness of user's the most comfortable, improves Consumer's Experience.
The schematic flow sheet four of the method for controlling backlight thereof that Fig. 4 provides for the embodiment of the present invention, is applied to electronics and sets
In Bei, in described electronic equipment, storage has record to have backlight level the most corresponding with standard pupil size
The data base of relation, as shown in Figure 4, described method for controlling backlight thereof mainly comprises the steps that
Step 401: obtain the pupil size of user under current backlight grade.
Preferably, under described acquisition current backlight grade, the pupil size of user, may include that
Pupil picture by the camera collection user of described electronic equipment；
The pupil size of described user is calculated according to described pupil picture.
Here, described photographic head typically refers to the front-facing camera of described electronic equipment.
Preferably, gather N and open the pupil picture of user, open user's pupil picture based on described N and calculate described
The pupil size of user；Wherein, N is the positive integer more than or equal to 2.
Step 402: judge whether to need to carry out backlight adjustment according to described pupil size；If it is required, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight level based on described backlight；Otherwise, the current back of the body is kept
Light grade is constant.
Preferably, described judge whether to need to carry out backlight adjustment according to described pupil size, it may include:
Described pupil size is contrasted with the standard pupil size under described backlight level；
If described pupil size is more than the standard pupil size under described backlight level, it is determined that need backlight
Grade is turned down；If described pupil size is less than the standard pupil size under described backlight level, it is determined that need
Backlight level is tuned up.
Preferably, described determine backlight adjust parameter, may include that
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
Specifically, described based on described backlight adjustment parameter adjustment backlight level, may include that
Backlight determined by according to adjusts parameter, resets backlight level.
Certainly, described based on described backlight adjust parameter adjustment backlight level time, it is also possible to existing backlight etc.
Based on Ji, increase one by one or reduce backlight level, until adjustment amount is described backlight adjusts parameter.
Similar with method for controlling backlight thereof described in Fig. 3, when custom when user watches electronic equipment screen changes,
Can also be according to the corresponding relation of the backlight level in user habit more new database Yu standard pupil size.?
This repeats no more.
In the present embodiment, described electronic equipment refer to dorsal support brightness regulation electronic equipment, as mobile phone,
Panel computer etc..
By technical scheme described in the present embodiment, obtain the pupil size of user under current backlight grade；According to
Described pupil size judges whether to need to carry out backlight adjustment；If it is required, determine that backlight adjusts parameter, and
Parameter adjustment backlight level is adjusted based on described backlight；Otherwise, keep current backlight grade constant；So,
Backlight level can be judged according to pupil size, and then according to backlight level adjusting backlight luminance, improve use
Family is experienced.
In order to be more fully understood that method for controlling backlight thereof of the present invention, the present embodiment gives a kind of realization originally
Invent the hardware schematic of described method for controlling backlight thereof；As it is shown in figure 5, this schematic diagram include master chip,
Photographic head, sensitive chip, backlight chip, display；Wherein,
Described master chip, stores backlight control management (BCM, Backlight Control Manager) number
According to storehouse, after the data being transmitted through photographic head process, with the data in BCM data base carry out right
Ratio, generates control signal by the method for controlling backlight thereof such as Fig. 1 or Fig. 2 or Fig. 3 or Fig. 4, and to backlight core
Sheet sends described control signal；
Described photographic head, for the pupil picture of sample user, and sends picture to master chip, in order to
Master chip obtains the pupil size of user by certain algorithm；
Described backlight chip, for after receiving the control signal that master chip sends, by regulation backlight etc.
The mode of level regulates the backlight illumination of display；
Described sensitive chip, after the brightness sensing current environment light, the ambient light data that will be gathered
Send master chip to, so that master chip obtains current ambient light data.
Specifically, master chip is also responsible for backlight level B that sample user uses under different ambient lights G,
And contrast with pupil size D now, it is thus achieved that G, B and D data base one to one, these data
Storehouse is constantly in more new state, along with user uses the abundantest.In use, photosensitive core is first passed through
Sheet obtains current ambient light level, obtains current suitable backlight level from BCM data base；So
After, the pupil size under the current environment light sampled according to photographic head and backlight level, and in data base
Pupil size contrasts, it is judged that current backlight illumination is the most suitable, if improper, is carried on the back by control
Optical chip regulates the brightness of display.
That is: owing to human eye is when entering different light, pupil size can change；Cause
This, during the pupil size of the user under obtaining current environment light and backlight illumination, can estimate current use
The actual environment light that family is sensed, in conjunction with this actual environment light, calculates further according to BCM data base and works as
Backlight illumination required for before, such process repeatedly, finally can obtain suitable backlight illumination.
The composition structural representation one of the backlight control apparatus that Fig. 6 provides for the embodiment of the present invention, such as Fig. 6 institute
Showing, described device includes the first acquiring unit 61, judging unit 62 and the first control unit 63；Wherein,
Described first acquiring unit 61 is big for obtaining the pupil of user under current environment light and backlight illumination
Little；
Described judging unit 62, for judging whether to need to carry out backlight adjustment according to described pupil size；
Described first control unit 63, is used for when described judging unit judges to need to carry out backlight adjustment, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；When described judging unit is sentenced
The disconnected backlight that is made without when adjusting, keeps current backlight brightness constant.
Preferably, described judging unit 62, it is additionally operable to:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
It will be appreciated by those skilled in the art that each unit in the backlight control apparatus shown in Fig. 6 realizes merit
The associated description of backlight control method can be can refer to and understand.
The composition structural representation two of the backlight control apparatus that Fig. 7 provides for the embodiment of the present invention, such as Fig. 7 institute
Showing, described device includes that the first acquiring unit 61, judging unit 62 and control unit 63, second obtain single
Unit 64, determine unit the 65, second control unit 66；Wherein,
Described second acquisition unit 64, is used for obtaining ambient light data；
Described determine unit 65, for when detect that current environment light data are relative to a upper moment ambient light number
According to changing, and changing value meet first pre-conditioned time, based on described current environment light data determine with
The backlight level that described current environment light matches；
Described regulation unit 66, for according to the preliminary adjusting backlight luminance of described backlight level；
Described first acquiring unit 61 is big for obtaining the pupil of user under current environment light and backlight illumination
Little；
Described judging unit 62, for judging whether to need to carry out backlight adjustment according to described pupil size；
Described control unit 63, is used for when described judging unit 62 judges to need to carry out backlight adjustment, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；When described judging unit 62
When judging that being made without backlight adjusts, keep current backlight brightness constant.
Preferably, described judging unit 62, it is additionally operable to:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
It will be appreciated by those skilled in the art that each unit in the backlight control apparatus shown in Fig. 7 realizes merit
The associated description of backlight control method can be can refer to and understand.
The composition structural representation of the backlight control apparatus that Fig. 8 provides for the embodiment of the present invention, as shown in Figure 8,
Described device include the first acquiring unit 61, judging unit 62 and control unit 63, second acquisition unit 64,
Determine unit the 65, second control unit 66, unit 67 and updating block 68 are set；Wherein,
Described unit 67 is set, is used for pre-setting synopsis；Wherein, described synopsis is used for storing environment
Light, backlight level and standard pupil size corresponding relation one to one；
Described second acquisition unit 64, is used for obtaining ambient light data；
Described determine unit 65, for when detect that current environment light data are relative to a upper moment ambient light number
According to changing, and changing value meet first pre-conditioned time, based on described current environment light data determine with
The backlight level that described current environment light matches；
Described regulation unit 66, for according to the preliminary adjusting backlight luminance of described backlight level；
Described first acquiring unit 61 is big for obtaining the pupil of user under current environment light and backlight illumination
Little；
Described judging unit 62, for judging whether to need to carry out backlight adjustment according to described pupil size；
Described control unit 63, is used for when described judging unit 62 judges to need to carry out backlight adjustment, really
Determine backlight and adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；When described judging unit 62
When judging that being made without backlight adjusts, keep current backlight brightness constant；
Described updating block 68, is used for: record adjusts the pupil size of the user after backlight illumination；Judge institute
The difference of the standard pupil size corresponding to backlight illumination after stating pupil size and adjusting, it is thus achieved that judged result；
When judged result meet second pre-conditioned time, update in described synopsis with described ambient light, described adjustment
After the corresponding standard pupil size of backlight illumination.
Preferably, described judging unit 62, it is additionally operable to:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Preferably, described first control unit 63, it is additionally operable to:
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
It will be appreciated by those skilled in the art that each unit in the backlight control apparatus shown in Fig. 8 realizes merit
The associated description of backlight control method can be can refer to and understand.
In actual application, described first acquiring unit 61, judging unit 62 and control unit 63, second obtain
Take unit 64, determine unit the 65, second control unit 66, unit 67 and updating block 68 are set
By central processing unit (CPU, Central in electronic equipment belonging to backlight control apparatus or backlight control apparatus
Processing Unit), microprocessor (MPU, Micro Processor Unit), digital signal processor (DSP,
Digital Signal Processor) or field programmable gate array (FPGA, Field Programmable Gate
Array) realize.
The embodiment of the present invention additionally provides a kind of electronic equipment, and described electronic equipment includes Fig. 6 or Fig. 7 or figure
Backlight control apparatus shown in 8.
The embodiment of the present invention additionally provides a kind of computer-readable storage medium, stores in described computer-readable storage medium
Having computer executable instructions, described computer executable instructions is for the method performing aforesaid backlight control.
In several embodiments provided herein, it should be understood that disclosed equipment and method, can
To realize by another way.Apparatus embodiments described above is only schematically, such as, and institute
Stating the division of unit, be only a kind of logic function and divide, actual can have other dividing mode when realizing,
As: multiple unit or assembly can be in conjunction with, or it is desirably integrated into another system, or some features can be neglected
Slightly, or do not perform.It addition, the coupling each other of shown or discussed each ingredient or directly coupling
Close or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or communication connection, can
Be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location, i.e. may be located at a place, it is possible to
To be distributed on multiple NE；Part or all of unit therein can be selected according to the actual needs
Realize the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit,
Can also be that each unit is individually as a unit, it is also possible to two or more unit are integrated in one
In individual unit；Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds soft
The form of part functional unit realizes.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can
Completing with the hardware relevant by programmed instruction, aforesaid program can be stored in an embodied on computer readable and deposit
In storage media, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage
Medium includes: movable storage device, read only memory (ROM, Read-Only Memory), magnetic disc or
The various media that can store program code such as person's CD.
Or, if the above-mentioned integrated unit of the present invention is using the form realization of software function module and as independent
Production marketing or use time, it is also possible to be stored in a computer read/write memory medium.Based on so
Understanding, the part that prior art is contributed by the technical scheme of the embodiment of the present invention the most in other words can
Embodying with the form with software product, this computer software product is stored in a storage medium, bag
Include some instructions with so that a computer equipment (can be personal computer, server or network
Equipment etc.) perform all or part of of method described in each embodiment of the present invention.And aforesaid storage medium bag
Include: the various media that can store program code such as movable storage device, ROM, magnetic disc or CD.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose.All any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should
Within being included in protection scope of the present invention.
Claims (12)
1. a method for controlling backlight thereof, it is characterised in that described method includes:
Obtain the pupil size of user under current environment light and backlight illumination；
Judge whether to need to carry out backlight adjustment according to described pupil size；
If it is required, determine that backlight adjusts parameter, and adjust parameter adjustment backlight illumination based on described backlight；
Otherwise, keep current backlight brightness constant.
Method the most according to claim 1, it is characterised in that described acquisition current environment light and backlight
Under brightness before the pupil size of user, also include:
Obtain ambient light data；
When detecting that current environment light data change relative to a upper moment ambient light data, and changing value
Meet first pre-conditioned time, determine based on described current environment light data and match with described current environment light
Backlight level；
According to the preliminary adjusting backlight luminance of described backlight level.
Method the most according to claim 1, it is characterised in that described judge according to described pupil size
The need of carrying out backlight adjustment, including:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Method the most according to claim 1, it is characterised in that described method also includes:
Pre-set synopsis；
Wherein, described synopsis is used for storing ambient light, backlight level with standard pupil size one to one
Corresponding relation.
Method the most according to claim 4, it is characterised in that described determine backlight adjust parameter, bag
Include:
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
Method the most according to claim 4, it is characterised in that described based on described backlight adjustment parameter
After adjusting backlight illumination, also include:
Record adjusts the pupil size of the user after backlight illumination；
The difference of the standard pupil size corresponding to backlight illumination after judging described pupil size and adjusting, obtains
Obtain judged result；
When judged result meet second pre-conditioned time, update in described synopsis with described ambient light, described
The standard pupil size that backlight illumination after adjustment is corresponding.
7. a backlight control apparatus, it is characterised in that described device includes:
First acquiring unit, for obtaining the pupil size of user under current environment light and backlight illumination；
Judging unit, for judging whether to need to carry out backlight adjustment according to described pupil size；
First control unit, for when described judging unit judges to need to carry out backlight adjustment, determining backlight
Adjust parameter, and adjust parameter adjustment backlight illumination based on described backlight；When described judging unit judges to be not required to
When backlight to be carried out adjusts, keep current backlight brightness constant.
Device the most according to claim 7, it is characterised in that described device also includes:
Second acquisition unit, is used for obtaining ambient light data；
Determine unit, for when detecting that current environment light data occur relative to a upper moment ambient light data
Change, and changing value meet first pre-conditioned time, based on described current environment light data determine with described work as
The backlight level that front ambient light matches；
Second control unit, for according to the preliminary adjusting backlight luminance of described backlight level.
Device the most according to claim 7, it is characterised in that described judging unit, is additionally operable to:
Described pupil size is contrasted with the standard pupil size under described backlight illumination；
If described pupil size is more than the standard pupil size under described backlight illumination, it is determined that need backlight
Brightness is turned down；If described pupil size is less than the standard pupil size under described backlight illumination, it is determined that need
Backlight illumination is tuned up.
Device the most according to claim 7, it is characterised in that described device also includes:
Unit is set, is used for pre-setting synopsis；
Wherein, described synopsis is used for storing ambient light, backlight level with standard pupil size one to one
Corresponding relation.
11. devices according to claim 10, it is characterised in that described first control unit, also use
In:
First backlight level corresponding with described pupil size is searched from described synopsis；
Determine that backlight adjusts ginseng based on the backlight level that described first backlight level is corresponding with current backlight brightness
Number.
12. devices according to claim 10, it is characterised in that described device also includes:
Updating block, is used for: record adjusts the pupil size of the user after backlight illumination；Judge described pupil
The difference of the standard pupil size corresponding to backlight illumination after size and adjustment, it is thus achieved that judged result；When sentencing
Disconnected result meet second pre-conditioned time, update in described synopsis with described ambient light, described adjustment after
The standard pupil size that backlight illumination is corresponding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254218.4A CN106297675A (en) | 2015-05-18 | 2015-05-18 | A kind of method for controlling backlight thereof and device |
| PCT/CN2015/081139 WO2016183887A1 (en) | 2015-05-18 | 2015-06-10 | Backlight control method and device, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254218.4A CN106297675A (en) | 2015-05-18 | 2015-05-18 | A kind of method for controlling backlight thereof and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106297675A true CN106297675A (en) | 2017-01-04 |
Family
ID=57319206
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510254218.4A Withdrawn CN106297675A (en) | 2015-05-18 | 2015-05-18 | A kind of method for controlling backlight thereof and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106297675A (en) |
| WO (1) | WO2016183887A1 (en) |
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| CN107731175A (en) * | 2017-11-08 | 2018-02-23 | 孙兴珍 | Bias light regulating system based on pupil radium detection |
| CN108010491A (en) * | 2017-11-08 | 2018-05-08 | 孙兴珍 | A kind of background light regulation method based on pupil radium detection |
| CN108574768A (en) * | 2017-03-09 | 2018-09-25 | 上海传英信息技术有限公司 | A kind of method, system and mobile terminal adjusting backlight illumination based on environment light detection |
| CN110111747A (en) * | 2019-04-24 | 2019-08-09 | 上海闻泰电子科技有限公司 | Adjust the method and device of screen backlight |
| CN110890078A (en) * | 2019-10-16 | 2020-03-17 | 东南大学 | Method for automatically adjusting brightness of display screen based on pupil size |
| CN114327332A (en) * | 2021-12-22 | 2022-04-12 | 深圳Tcl新技术有限公司 | Internet of things equipment setting method and device, electronic equipment and storage medium |
| CN114743508A (en) * | 2021-01-07 | 2022-07-12 | 海信视像科技股份有限公司 | Brightness compensation method and display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016183887A1 (en) | 2016-11-24 |
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