CN106057135A - Display brightness controlling method and mobile terminal - Google Patents
Display brightness controlling method and mobile terminal Download PDFInfo
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- CN106057135A CN106057135A CN201610598839.9A CN201610598839A CN106057135A CN 106057135 A CN106057135 A CN 106057135A CN 201610598839 A CN201610598839 A CN 201610598839A CN 106057135 A CN106057135 A CN 106057135A
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- value
- intrinsic brilliance
- brightness
- display screen
- brilliance value
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
Abstract
The embodiment of the invention relates to a display brightness controlling method and a mobile terminal, wherein the method is applied to the mobile terminal and includes the following steps: collecting the actual brightness value of the display screen of the mobile terminal; according to the brightness of the display system, searching in the mapping relationship between the pre-established system brightness and the pre-established actual brightness to obtain the pre-established actual system brightness value corresponding to system brightness as the actual brightness value of a target; adjusting the brightness of the display screen when the actual brightness value is inconsistent with the actual brightness value of the target until they are consistent. The embodiment of the invention can provide consistent actual brightness value through the same type of display screen, thereby improving the user experience.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to control method and the mobile terminal of a kind of display brightness.
Background technology
Due to LCD (liquid crystal display, Liquid Crystal Display) there is low diathermaneity, volume is light, weight is little
And the feature such as power consumption is low, gradually instead of traditional CRT (cathode ray tube, Cathode Ray Tube) display, extensively
It is applied to mobile phone, panel computer, desktop computer, notebook computer, personal digital assistant (Personal Digital
Assistant, PDA), the field such as intelligent television.
Current LCD mainly includes Liquid Crystal Module and backlight module, owing to Liquid Crystal Module itself will not be luminous, so needing
Backlight module within LCD to be relied on provides backlight for it, and the light that backlight is launched by backlight module is tied by optics
Structure film injects Liquid Crystal Module equably, to show image.LCD is as a kind of display screen, and display brightness is the property that one is main
Can parameter.Backlight module is generally made up of the backlight LED light string of to multichannel, and the display brightness of LCD depends on driving of LED string
Streaming current, and the driving electric current of LED string can be driven by backlight driving chip.
The regulation scheme of existing a kind of display brightness is that the electric current that drives by regulation LED string realizes, such as, logical
Cross backlight driving chip and reduce the value driving electric current, the brightness of backlight can be reduced, and then reduce the display brightness of LCD；With
Reason, is improved the value driving electric current, can increase the display brightness of LCD by backlight driving chip.Currently for same model
LCD, the mapping relations between its brightness degree with driving electric current are consistent, namely each brightness degree (such as 205) is corresponding
Driving electric current be identical.
But, there is individual variation in LCD, such as, even if the LCD of same model has identical characteristic when dispatching from the factory,
But the length difference of the time of use is easily caused different LCD has different degree of agings.Such that make according to user setup
Identical brightness degree have employed identical driving electric current, and above-mentioned individual variation can still result in different LCD and has different displays
Brightness.Further, the increase of individual variation can increase the difference of display brightness, and then affects the experience of user.
Summary of the invention
The embodiment of the present invention provides control method and the mobile terminal of a kind of display brightness, to solve existing display brightness
Control program cannot meet the problem of individual variation of display screen.
First aspect embodiment, it is provided that the control method of a kind of display brightness, is applied to mobile terminal, described method bag
Include:
Gather the intrinsic brilliance value of the display screen of described mobile terminal；
According to the system brightness of described display screen, between the preset system brightness pre-build and preset intrinsic brilliance value
Mapping relations in make a look up, the preset intrinsic brilliance value corresponding to obtain described system brightness, as target intrinsic brilliance
Value；
When described intrinsic brilliance value is inconsistent with described target intrinsic brilliance value, the brightness to described display screen is adjusted
Joint, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
The control method of the display brightness of first aspect present invention embodiment includes advantages below:
When the target intrinsic brilliance value corresponding with system brightness in the intrinsic brilliance value of display screen is inconsistent, to display screen
Brightness is adjusted, until this intrinsic brilliance value is consistent with this target intrinsic brilliance value；The target corresponding due to system brightness is real
The mapping relations that border brightness value is based between preset system brightness and the preset intrinsic brilliance value pre-build obtain, for
For the display screen of same model, in these mapping relations, each preset system brightness can have unified preset intrinsic brilliance
Value, so, the brightness regulation that the embodiment of the present invention is carried out in the case of inconsistent with target intrinsic brilliance value in intrinsic brilliance value,
The intrinsic brilliance value that the display screen offer of same model is consistent can be passed through, and then improve the experience of user.
Second aspect, the embodiment of the present invention additionally provides a kind of mobile terminal, including:
First acquisition module, for gathering the intrinsic brilliance value of the display screen of described mobile terminal；
Search module, for the system brightness according to described display screen, in the preset system brightness pre-build with preset
Mapping relations between intrinsic brilliance value make a look up, the preset intrinsic brilliance value corresponding to obtain described system brightness, make
For target intrinsic brilliance value；And
First adjustment module, for when described intrinsic brilliance value is inconsistent with described target intrinsic brilliance value, to described
The brightness of display screen is adjusted, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
The mobile terminal of second aspect present invention embodiment includes advantages below:
When the target intrinsic brilliance value corresponding with system brightness in the intrinsic brilliance value of display screen is inconsistent, to display screen
Brightness is adjusted, until this intrinsic brilliance value is consistent with this target intrinsic brilliance value；The target corresponding due to system brightness is real
The mapping relations that border brightness value is based between preset system brightness and the preset intrinsic brilliance value pre-build obtain, for
For the display screen of same model, in these mapping relations, each preset system brightness can have unified preset intrinsic brilliance
Value, so, the brightness regulation that the embodiment of the present invention is carried out in the case of inconsistent with target intrinsic brilliance value in intrinsic brilliance value,
The intrinsic brilliance value that the display screen offer of same model is consistent can be passed through, and then improve the experience of user.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the flow chart of the control method embodiment one of a kind of display brightness of the present invention；
Fig. 2 is the placement schematic diagram of the photo-sensitive cell within a kind of display screen of the embodiment of the present invention；
Fig. 3 is the placement schematic diagram of the photo-sensitive cell outside a kind of display screen of the embodiment of the present invention；
Fig. 4 is the flow chart of the control method embodiment two of a kind of display brightness of the present invention；
Fig. 5 is the structured flowchart of a kind of mobile terminal embodiment of the present invention；
Fig. 6 is the structural representation of the another kind of mobile terminal 1500 of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Embodiments providing the control program of a kind of display brightness, the program can be in the intrinsic brilliance of display screen
Be worth corresponding with system brightness target intrinsic brilliance value inconsistent time, the brightness to display screen is adjusted, until this reality is bright
Angle value is consistent with this target intrinsic brilliance value；Due to target intrinsic brilliance value that system brightness is corresponding be based on pre-building pre-
Putting what the mapping relations between system brightness and preset intrinsic brilliance value obtained, for the display screen of same model, this reflects
Penetrating each preset system brightness in relation and can have unified preset intrinsic brilliance value, so, the embodiment of the present invention is in reality
The brightness regulation that brightness value is carried out in the case of inconsistent with target intrinsic brilliance value, it is possible to carried by the display screen of same model
For consistent intrinsic brilliance value, and then improve the experience of user.
Such as, for the display screen 1 and display screen 2 of same model, the use time of display screen 1 and display screen 2 divides
Not being 1 month and 2 years, the difference of above-mentioned use time makes display screen 1 and display screen 2 have different degree of agings, this kind
In the case of, even if using identical system brightness grade and identical driving electric current, these two displays for these two display screens
Screen still has different display brightness.And the embodiment of the present invention is worth inconsistent feelings in intrinsic brilliance value with target intrinsic brilliance
The brightness regulation carried out under condition, it is possible to provide consistent intrinsic brilliance value by the display screen of same model.
Embodiment of the method one
With reference to Fig. 1, it is shown that the flow chart of the control method embodiment one of a kind of display brightness of the present invention, it is applied to move
Dynamic terminal, specifically may include steps of:
Step 101, gather the intrinsic brilliance value of display screen of mobile terminal；
The embodiment of the present invention can apply to be had in any mobile terminal of display screen.The most above-mentioned mobile terminal is concrete
Can include but not limited to: smart mobile phone, panel computer, E-book reader, MP3 (dynamic image expert's compression standard audio frequency
Aspect 3, Moving Picture Experts Group Audio Layer III) player, (dynamic image expert presses MP4
Contracting standard audio aspect 4, Moving Picture Experts Group Audio Layer IV) player, on knee portable
Computer, vehicle-mounted computer, desk computer, Set Top Box, intelligent TV set, Wearable etc..The embodiment of the present invention is main
As a example by smart mobile phone, the control method of the display brightness of the embodiment of the present invention is illustrated, the scene phase of other mobile terminals
Reference mutually.
In actual applications, the type of the display screen of the embodiment of the present invention can be LCD, OLED (Organic Light Emitting Diode,
Organic Light-Emitting Diode) etc., it will be understood that any type of display screen all can be in the embodiment of the present invention
Protection domain within.
In a kind of alternative embodiment of the present invention, photo-sensitive cell can be used to gather the intrinsic brilliance value of display screen, can
Selection of land, photo-sensitive cell is exactly to may include that a photoconductive resistance made with semi-conducting material, incident intensity, this photoconductive resistance
Resistance value reduce, incident illumination is weak, then the resistance value resistance of this photoconductive resistance increases..In actual applications, this photo-sensitive cell can
To be positioned at outside or the inside of display screen, wherein, when being positioned at display screen outside, it is easily subject to the impact of ambient light, therefore
Easily affect the collection accuracy of intrinsic brilliance value；And when being positioned at the inside of display screen, the shadow by ambient light can be avoided
Ring, therefore the collection accuracy of intrinsic brilliance value can be improved.
When utilizing the intrinsic brilliance value being placed in the photo-sensitive cell collection display screen within display screen, above-mentioned photo-sensitive cell can
To be symmetrically disposed at inside display screen along the center of mobile terminal or centrage, to improve the collection accuracy of intrinsic brilliance value；
Wherein, this center can be the center of display screen correspondence square-section, and this centrage can be display screen correspondence square-section
Cross vertical line or the x wire at center.Alternatively, above-mentioned photo-sensitive cell can be put along the center of display screen or centrage symmetry
Putting the upper side and lower side at display screen, such as, the upper side and lower side respectively arranges one or more photo-sensitive cells etc., wherein, in upside
When respectively arranging a photo-sensitive cell with downside, this photo-sensitive cell may be located at upside or the centre position of downside.
With reference to Fig. 2, it is shown that the placement schematic diagram of the photo-sensitive cell within a kind of display screen of the embodiment of the present invention, its
In, 4 photo-sensitive cells 201 are symmetrically disposed on four angles of described display screen internal 202, and, 2 that are positioned at downside are photosensitive
Element 201 can be arranged at the left and right sides of backlight LED light 203.It is appreciated that the placement of above-mentioned 4 photo-sensitive cells 201 simply
As the alternative embodiment of the embodiment of the present invention, it practice, those skilled in the art can determine sense according to practical application request
The quantity of optical element and placement location thereof, such as, 4N photo-sensitive cell 201 is symmetrically disposed at the four of described display screen internal 202
On individual angle, N is the integer more than or equal to 1.Or, 3, upside photo-sensitive cell (each 1 of left, center, right) and the photosensitive unit in 3, downside
The placement of part is also feasible, or, 4, upside photo-sensitive cell (left side 2,2, the right side) and the placement of 4 photo-sensitive cells in downside are also
Feasible, the embodiment of the present invention is not any limitation as particular number and the concrete placement location thereof of photo-sensitive cell.
During utilizing the intrinsic brilliance value being placed in the photo-sensitive cell collection display screen within display screen, due to display
It is also covered with the materials such as polarizing layer, liquid crystal layer and glass baseplate above the backlight module of screen, therefore needs according to preset transmission system
The original light emission luminance value that the number photo-sensitive cell being opposite within display screen collects is changed, to obtain the reality of display screen
Border brightness value.Correspondingly, the step 101 of the intrinsic brilliance value of above-mentioned collection display screen, specifically may include that first with being placed in
Photo-sensitive cell within display screen, gathers the original light emission luminance value of described display screen；Then according to preset carry-over factor to institute
State original light emission luminance value to change, to obtain the intrinsic brilliance value of display screen.
Above-mentioned preset carry-over factor can be used for representing backlight transmission degree to outside inside display screen, that is, outside
The ratio of backlight illumination and internal backlight illumination.Alternatively, this preset carry-over factor can be original collected
Brightness values and the ratio of display brightness value.
With reference to Fig. 3, it is shown that the placement schematic diagram of the photo-sensitive cell outside a kind of display screen of the embodiment of the present invention, 4
Photo-sensitive cell 301 is symmetrically disposed on four angles of described display screen outside 302, and, it is positioned at 2 photo-sensitive cells of downside
301 can be arranged at the left and right sides.It can be seen that the placement of photo-sensitive cell 301 shown in Fig. 3 and photo-sensitive cell 201 shown in Fig. 2
The thickness direction (namely coordinate of square-section corresponding to display screen) being placed on display screen is consistent, therefore ensure that transmission
The precision of coefficient.It addition, the display brightness value collected in order to avoid photo-sensitive cell shown in Fig. 3 is affected by ambient light,
Mobile terminal belonging to display screen or display screen can be positioned in preset dark surrounds, certainly, the embodiment of the present invention
Concrete environment of placing for the mobile terminal belonging to display screen or display screen is not any limitation as.
In actual applications, can be by once or many experiments collects original light emission luminance value and display brightness
Value, wherein, in experiment, the ratio of display brightness value and original light emission luminance value can be an observation of carry-over factor every time,
The average of the observation that many experiments obtains can be by as above-mentioned preset carry-over factor.Alternatively, above-mentioned experiment can occur
Before display screen dispatches from the factory or the operational phase of display screen, the operational phase at display screen can provide a user with preset interface,
So that user triggers the experiment of carry-over factor by this preset interface.
With reference to table 1, it is shown that the position of a kind of photo-sensitive cell of the present invention, original light emission luminance value, display brightness value and
The example of the mapping relations of carry-over factor.Wherein, display screen is inside and outside be respectively arranged with four photo-sensitive cells time, it is assumed that
The position of these four photo-sensitive cells is respectively position 1, position 2, position 3 and position 4, wherein, the carry-over factor of position 1 is permissible
For η 1=A/a, the carry-over factor of position 2 can be η 2=B/b, and the carry-over factor of position 3 can be η 3=C/c, the biography of position 4
Passing coefficient can be η 4=D/d.
Table 1
| Position | Original light emission luminance value | Display brightness value | Carry-over factor |
| Position 1 | a | A | η 1=A/a |
| Position 2 | b | B | η 2=B/b |
| Position 3 | c | C | η 3=C/c |
| Position 4 | d | D | η 4=D/d |
In a kind of alternative embodiment of the present invention, it is symmetrically disposed at four angles of described display screen at 4N photo-sensitive cell
Time upper, described intrinsic brilliance value can be the meansigma methods of multiple photo-sensitive cell correspondence intrinsic brilliance value.As a example by table 1, it is assumed that N=
1, then the intrinsic brilliance value of display screen can be expressed as: M=(A+B+C+D)/4=(a* η 1+b* η 2+c* η 3+d* η 4).
Step 102, system brightness according to display screen, in the preset system brightness pre-build and preset intrinsic brilliance value
Between mapping relations in make a look up, the preset intrinsic brilliance value corresponding to obtain said system brightness, actual as target
Brightness value；
The system brightness of display screen can be the management object of the brightness of display screen, and it has controllability, that is, user
UI (user interface, UserInterface) can be passed through and carry out the condition of system brightness.Alternatively, this system brightness can be
Brightness degree, this brightness degree can be adjustable grade in user interface, this brightness degree may range from 0～255.
Certainly, brightness degree is intended only as a kind of alternative embodiment of system brightness, and the embodiment of the present invention is for concrete system brightness
It is not any limitation as.
Owing to system brightness is adjustable object on UI, and intrinsic brilliance value is the display brightness that display screen is actual, therefore
The embodiment of the present invention can pre-build the mapping relations between preset system brightness and preset intrinsic brilliance value, these mapping relations
In can record the preset intrinsic brilliance value that each preset system brightness is corresponding, therefore can be actual as system brightness correspondence target
The foundation of brightness value.
Alternatively, system brightness grade is adjustable grade B of whole brightness range on user's display interface.Display screen is bright
Degree refers to meansigma methods M of four corner screen intensitys of display screen.Therefore, it can set up system brightness grade and brightness of display screen value
Between mapping relations.
In a kind of alternative embodiment of the present invention, set up the mapping between system brightness grade and brightness of display screen value and close
The process of system specifically may include that before display screen dispatches from the factory, and for each preset system brightness degree, gathers the reality of display screen
Brightness value；According to preset system brightness degree and the collection result of correspondence thereof, set up preset system brightness and preset intrinsic brilliance
Mapping relations between value.Before display screen dispatches from the factory, display screen is still not used by namely the display screen of same model not yet exists
Individual variation, therefore the mapping relations between preset system brightness and preset intrinsic brilliance value can be set up in this case, and
Preserve.It is alternatively possible to save it in the memorizer of server or display screen.It should be noted that same model
Display screen can share unified mapping relations, and wherein, in these mapping relations, preset intrinsic brilliance value can be a display screen
Collection result, it is also possible to for the average of the collection result of multiple display screens, the embodiment of the present invention is for pre-in these mapping relations
The concrete acquisition process putting intrinsic brilliance value is not any limitation as.
In actual applications, step 102 can read the current system brightness of display screen and above-mentioned from storage device
Mapping relations, and travel through the preset system brightness in these mapping relations, by current preset system brightness and current system brightness
Mate, if the match is successful, then can be actual as target using preset intrinsic brilliance value corresponding for current preset system brightness
Brightness value, if it fails to match, can using next the preset system brightness in these mapping relations as current preset system brightness,
Re-start mating of current preset system brightness and current system brightness.It is appreciated that the embodiment of the present invention is for step
The search procedure of 102 is not any limitation as.
Step 103, when above-mentioned intrinsic brilliance value and above-mentioned target intrinsic brilliance value is inconsistent, bright to above-mentioned display screen
Degree is adjusted, until above-mentioned intrinsic brilliance value is consistent with above-mentioned target intrinsic brilliance value.
The embodiment of the present invention, can be by itself and step after step 102 obtains the target intrinsic brilliance value that system brightness is corresponding
Rapid 101 gather intrinsic brilliance values compare, when the two is inconsistent, can driving electric current based on LED string to display
The brightness of screen is adjusted, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
In a kind of alternative embodiment of the present invention, the described step 103 that the brightness of described display screen is adjusted, can
To include:
When described intrinsic brilliance value is more than described target intrinsic brilliance value, turn down the brightness of described display screen, until institute
State intrinsic brilliance value consistent with described target intrinsic brilliance value；Electric current is driven for example, it is possible to reduced by backlight driving chip
Value, can reduce the brightness of backlight, and then reduce the display brightness of LCD.Or
When described intrinsic brilliance value is less than described target intrinsic brilliance value, heighten the brightness of described display screen, until institute
State intrinsic brilliance value consistent with described target intrinsic brilliance value.Electric current is driven for example, it is possible to increased by backlight driving chip
Value, can increase the brightness of backlight, and then increase the display brightness of LCD.
In actual applications, in order to ensure that final intrinsic brilliance value is consistent with target intrinsic brilliance value, can be every time
After regulation, re-execute step 101 and step 102, and the intrinsic brilliance value exporting the two is carried out with target intrinsic brilliance value
Relatively, continue executing with step 103 when the two is inconsistent, that is, the step 101 of the embodiment of the present invention, step 102, step 103
It can be the process of circulation execution.
In sum, the control method of the display brightness of the embodiment of the present invention, can the intrinsic brilliance value of display screen with
When target intrinsic brilliance value corresponding to system brightness is inconsistent, the brightness to display screen is adjusted, until this intrinsic brilliance value
Consistent with this target intrinsic brilliance value；Owing to target intrinsic brilliance value that system brightness is corresponding is based on the preset system that pre-builds
Mapping relations between system brightness and preset intrinsic brilliance value obtain, and for the display screen of same model, this mapping is closed
In system, each preset system brightness can have unified preset intrinsic brilliance value, and so, the embodiment of the present invention is in intrinsic brilliance
The brightness regulation that value is carried out in the case of inconsistent with target intrinsic brilliance value, it is possible to provide one by the display screen of same model
The intrinsic brilliance value caused, and then improve the experience of user.
Embodiment of the method two
With reference to Fig. 4, it is shown that the flow chart of the control method embodiment two of a kind of display brightness of the present invention, it is applied to move
Dynamic terminal, specifically may include steps of:
Step 401, gather the intrinsic brilliance value of display screen of mobile terminal；
Step 402, the system brightness of foundation display screen, in the preset system brightness pre-build and preset intrinsic brilliance value
Between mapping relations in make a look up, the preset intrinsic brilliance value corresponding to obtain described system brightness, actual as target
Brightness value；
Step 403, when described intrinsic brilliance value and described target intrinsic brilliance value is inconsistent, bright to described display screen
Degree is adjusted, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value；
The present embodiment is the alternative embodiment of embodiment of the method one shown in Fig. 1, and it is on the basis of embodiment of the method one, also
Can include following optional step:
Step 404, the brightness value of collection display screen local environment light；
When step 405, difference between the brightness value and described intrinsic brilliance value of described ambient light are beyond difference threshold,
Brightness to described display screen is adjusted, until the difference between the brightness value of described ambient light and described intrinsic brilliance value is not
Beyond described difference threshold.
The embodiment of the present invention can regulate the brightness of display screen, to guarantee environment in real time when local environment light changes
Difference between brightness value and the intrinsic brilliance value of light is stable, makes display screen not affected by ambient light as far as possible, thus improves bright
The degree of accuracy of degree regulation.For example, it is possible to when ambient light is stronger, the brightness of automatic adjustment height display screen；When ambient light is more weak,
Automatically turn down the brightness of display screen.
In actual applications, can use and be placed in light sensor outside display screen and gather display screen local environment light
Brightness value, this light sensor may be located at the front (being such as positioned at the upside of mobile terminal screen) of mobile terminal screen, should
The optical signal collected can be converted to the signal of telecommunication by light sensor.Alternatively, can determine above-mentioned by user or system
Difference threshold, for above-mentioned difference threshold, the embodiment of the present invention specifically determines that mode and concrete numerical value are not any limitation as.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of action group
Closing, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because depending on
According to the embodiment of the present invention, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should
Knowing, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention implements
Necessary to example.
Mobile terminal embodiment
With reference to Fig. 5, it is shown that the structured flowchart of the present invention a kind of mobile terminal embodiment, specifically can include such as lower mold
Block: the first acquisition module 501, lookup module 502 and the first adjustment module 503；Wherein,
First acquisition module 501, for gathering the intrinsic brilliance value of the display screen of described mobile terminal；
Search module 502, for the system brightness according to above-mentioned display screen, in the preset system brightness pre-build with pre-
Put in the mapping relations between intrinsic brilliance value and make a look up, the preset intrinsic brilliance value corresponding to obtain described system brightness,
As target intrinsic brilliance value；And
First adjustment module 503, for when described intrinsic brilliance value is inconsistent with described target intrinsic brilliance value, to institute
The brightness stating display screen is adjusted, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
In a kind of alternative embodiment of the present invention, described first acquisition module 501, specifically may include that
First gathers submodule, is placed in the photo-sensitive cell within above-mentioned display screen for utilizing, gathers described display screen
Original light emission luminance value；
Transform subblock, for changing described original light emission luminance value according to preset carry-over factor, to be shown
The intrinsic brilliance value of display screen.
In the another kind of alternative embodiment of the present invention, described preset carry-over factor can be collect in advance original
Light emission luminance value and the ratio of display brightness value.
In another alternative embodiment of the present invention, described photo-sensitive cell can be along the center of display screen or centrage pair
Claim to be placed on inside described display screen.
In another alternative embodiment of the present invention, the number of the plurality of photo-sensitive cell can be the multiple of 4, described
Multiple photo-sensitive cells can be symmetrically disposed on four angles of described display screen, and described intrinsic brilliance value can be multiple photosensitive unit
The meansigma methods of the intrinsic brilliance value that part gathers.
In a kind of alternative embodiment of the present invention, described mobile terminal can also include:
Module is set up in mapping, for setting up the mapping relations between preset system brightness and preset intrinsic brilliance value:
Described mapping is set up module and specifically be may include that
Second gathers submodule, for before display screen dispatches from the factory, for each preset system brightness degree, gathers display screen
Intrinsic brilliance value；
Submodule is set up in mapping, for according to preset system brightness degree and the collection result of correspondence thereof, setting up preset system
Mapping relations between system brightness and preset intrinsic brilliance value.
In the another kind of alternative embodiment of the present invention, described adjustment module 503, specifically may include that
First regulon module, for when described intrinsic brilliance value is more than described target intrinsic brilliance value, turns down described
The brightness of display screen, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value；Or
Second regulon module, for when described intrinsic brilliance value is less than described target intrinsic brilliance value, heightens described
The brightness of display screen, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
In another alternative embodiment of the present invention, described mobile terminal can also include:
Second acquisition module, for gathering the brightness value of display screen local environment light；
Second adjustment module, for the difference between the brightness value and described intrinsic brilliance value of described ambient light beyond poor
During value threshold value, the brightness to described display screen is adjusted, until the brightness value of described ambient light and described intrinsic brilliance value it
Between difference without departing from described difference threshold.
The mobile terminal of the embodiment of the present invention, intrinsic brilliance value at the display screen target reality corresponding with system brightness is bright
When angle value is inconsistent, the brightness to display screen is adjusted, until this intrinsic brilliance value is consistent with this target intrinsic brilliance value；By
In the target intrinsic brilliance value that system brightness is corresponding be based on the preset system brightness that pre-builds and preset intrinsic brilliance value it
Between mapping relations obtain, for the display screen of same model, in these mapping relations, each preset system brightness is permissible
Having unified preset intrinsic brilliance value, so, the embodiment of the present invention is inconsistent with target intrinsic brilliance value in intrinsic brilliance value
In the case of the brightness regulation that carries out, it is possible to provide consistent intrinsic brilliance value by the display screen of same model, and then improve
The experience of user.
Mobile terminal embodiment
With reference to Fig. 6, it is shown that the structural representation of a kind of mobile terminal of the present invention 1500, specifically may include that at least one
Individual processor 1501, memorizer 1502, at least one network interface 1504 and user interface 1503.Each in mobile terminal 1500
Individual assembly is coupled by bus system 1505.It is understood that bus system 1505 is for realizing the company between these assemblies
Connect letter.Bus system 1505, in addition to including data/address bus, also includes power bus, controls bus and status signal bus in addition.
But for the sake of understanding explanation, various buses being all designated as bus system 1505 in figure 6, mobile terminal 1500 also includes clapping
According to module 1506, module 1506 of taking pictures includes photographic head.
Wherein, user interface 1503 can include display, keyboard or pointing device (such as, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
The memorizer 1502 being appreciated that in the embodiment of the present invention can be volatile memory or non-volatile memories
Device, maybe can include volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read only memory
(Read-OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), erasable programmable are read-only
Memorizer (ErasablePROM, EPROM), Electrically Erasable Read Only Memory (ElectricallyEPROM, EEPROM)
Or flash memory.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory
(SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate
SDRAM, DDRSDRAM), enhancement mode Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memorizer 1502 of system and method that the embodiment of the present invention describes be intended to include but not
It is limited to these and the memorizer of other applicable type any.
In some embodiments, memorizer 1502 stores following element, executable module or data structure, or
Their subset of person, or their superset: operating system 15021 and application program 15022.
Wherein, operating system 15021, comprise various system program, such as ccf layer, core library layer, driving layer etc., be used for
Realize various basic business and process hardware based task.Application program 15022, comprises various application program, such as matchmaker
Body player (MediaPlayer), browser (Browser) etc., be used for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 15022.
In embodiments of the present invention, by calling program or the instruction of memorizer 1502 storage, concrete, can be application
The program stored in program 15022 or instruction, processor 1501 is for gathering the intrinsic brilliance value of display screen；According to mobile terminal
The system brightness of display screen, the mapping relations between the preset system brightness pre-build and preset intrinsic brilliance value are entered
Row is searched, and the preset intrinsic brilliance value corresponding to obtain described system brightness, as target intrinsic brilliance value；Bright in described reality
When angle value is inconsistent with described target intrinsic brilliance value, the brightness to described display screen is adjusted, until described intrinsic brilliance
It is worth consistent with described target intrinsic brilliance value.
The method that the invention described above embodiment discloses can apply in processor 1501, or real by processor 1501
Existing.Processor 1501 is probably a kind of IC chip, has the disposal ability of signal.During realizing, said method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1501 or software form.Above-mentioned
Processor 1501 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), special collection
Become circuit (ApplicationSpecificIntegratedCircuit, ASIC), ready-made programmable gate array
(FieldProgrammableGateArray, FPGA) or other PLDs, discrete gate or transistor logic
Device, discrete hardware components.Can realize or perform disclosed each method, step and the box in the embodiment of the present invention
Figure.The processor etc. that general processor can be microprocessor or this processor can also be any routine.In conjunction with the present invention
The step of the method disclosed in embodiment can be embodied directly in hardware decoding processor and perform, or uses decoding processor
In hardware and software module combination execution complete.Software module may be located at random access memory, and flash memory, read only memory can
In the storage medium that this areas such as program read-only memory or electrically erasable programmable memorizer, depositor are ripe.This storage
Medium is positioned at memorizer 1502, and processor 1501 reads the information in memorizer 1502, completes said method in conjunction with its hardware
Step.
It is understood that the embodiment of the present invention describe these embodiments can use hardware, software, firmware, middleware,
Microcode or a combination thereof realize.Realizing for hardware, processing unit can be implemented in one or more special IC
(ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor
(DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device
(ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray,
FPGA), general processor, controller, microcontroller, microprocessor, for performing other electronics list of herein described function
In unit or a combination thereof.
Software is realized, can be by performing the module (such as process, function etc.) of function described in the embodiment of the present invention
Realize the technology described in the embodiment of the present invention.Software code is storable in performing in memorizer and by processor.Storage
Device can within a processor or realize outside processor.
Alternatively, processor 1501 is additionally operable to: utilizes and is placed in the photo-sensitive cell within above-mentioned display screen, gathers described display
The original light emission luminance value of screen；According to preset carry-over factor, described original light emission luminance value is changed, to obtain display screen
Intrinsic brilliance value.
Alternatively, processor 1501 is additionally operable to: before display screen dispatches from the factory, and for each preset system brightness degree, gathers
The intrinsic brilliance value of display screen；According to preset system brightness degree and the collection result of correspondence thereof, set up preset system brightness with
Mapping relations between preset intrinsic brilliance value.
Alternatively, processor 1501 is additionally operable to: when described intrinsic brilliance value is more than described target intrinsic brilliance value, turn down
The brightness of described display screen, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value；Or it is bright in described reality
When angle value is less than described target intrinsic brilliance value, heighten the brightness of described display screen, until described intrinsic brilliance value and described mesh
Mark intrinsic brilliance value is consistent.
Alternatively, processor 1501 is additionally operable to: gather the brightness value of display screen local environment light；Bright in described ambient light
When difference between angle value and described intrinsic brilliance value is beyond difference threshold, the brightness to described display screen is adjusted, until
Difference between brightness value and the described intrinsic brilliance value of described ambient light is without departing from described difference threshold.
The mobile terminal of the embodiment of the present invention, the target intrinsic brilliance value corresponding due to system brightness is based on pre-building
Preset system brightness and preset intrinsic brilliance value between mapping relations obtain, for the display screen of same model,
In these mapping relations, each preset system brightness can have unified preset intrinsic brilliance value, and so, the embodiment of the present invention exists
The brightness regulation that intrinsic brilliance value is carried out in the case of inconsistent with target intrinsic brilliance value, it is possible to by the display of same model
Screen provides consistent intrinsic brilliance value, and then improves the experience of user.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Those of ordinary skill in the art are it is to be appreciated that combine that the disclosed embodiments in the embodiment of the present invention describe is each
The unit of example and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description,
The specific works process of mobile terminal and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In embodiment provided herein, it should be understood that disclosed mobile terminal and method, can be passed through it
Its mode realizes.Such as, mobile terminal embodiment described above is only schematically, such as, and drawing of described unit
Point, it is only a kind of logic function and divides, actual can have other dividing mode when realizing, and the most multiple unit or assembly can
To combine or to be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or beg for
The coupling each other of opinion or direct-coupling or communication connection can be indirect by some interfaces, mobile terminal or unit
Coupling or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
If described function is using the form realization of SFU software functional unit and as independent production marketing or use, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is the most in other words
The part contributing prior art or the part of this technical scheme can embody with the form of software product, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.
And aforesaid storage medium includes: USB flash disk, portable hard drive, ROM, RAM, magnetic disc or CD etc. are various can store program code
Medium.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (11)
1. a control method for display brightness, is applied to mobile terminal, it is characterised in that described method includes:
Gather the intrinsic brilliance value of the display screen of described mobile terminal；
According to the system brightness of described display screen, reflecting between the preset system brightness pre-build and preset intrinsic brilliance value
Penetrating in relation and make a look up, the preset intrinsic brilliance value corresponding to obtain described system brightness, as target intrinsic brilliance value；
When described intrinsic brilliance value is inconsistent with described target intrinsic brilliance value, the brightness to described display screen is adjusted,
Until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
Method the most according to claim 1, it is characterised in that the step of the intrinsic brilliance value of described collection display screen, bag
Include:
Utilize and be placed in the photo-sensitive cell within described display screen, gather the original light emission luminance value of described display screen；
According to preset carry-over factor, described original light emission luminance value is changed, to obtain the intrinsic brilliance value of display screen.
Method the most according to claim 2, it is characterised in that described preset carry-over factor is the original luminescence collected
Brightness value and the ratio of display brightness value.
The most according to the method in claim 2 or 3, the number of the plurality of photo-sensitive cell is the multiple of 4, the plurality of photosensitive
Element symmetry is placed on four angles of described display screen, and described intrinsic brilliance value is the reality that the plurality of photo-sensitive cell gathers
The meansigma methods of brightness value.
5. according to described method arbitrary in claims 1 to 3, the described step that the brightness of described display screen is adjusted,
Including:
When described intrinsic brilliance value is more than described target intrinsic brilliance value, turn down the brightness of described display screen, until described reality
Border brightness value is consistent with described target intrinsic brilliance value；Or
When described intrinsic brilliance value is less than described target intrinsic brilliance value, heighten the brightness of described display screen, until described reality
Border brightness value is consistent with described target intrinsic brilliance value.
6., according to described method arbitrary in claims 1 to 3, described method also includes:
Gather the brightness value of described display screen local environment light；
When difference between the brightness value and described intrinsic brilliance value of described ambient light is beyond difference threshold, to described display screen
Brightness be adjusted, until the difference between the brightness value of described ambient light and described intrinsic brilliance value is without departing from described difference
Threshold value.
7. a mobile terminal, it is characterised in that described mobile terminal includes:
First acquisition module, for gathering the intrinsic brilliance value of the display screen of described mobile terminal；
Search module, for the system brightness according to described display screen, in the preset system brightness pre-build and preset reality
Making a look up in mapping relations between brightness value, the preset intrinsic brilliance value corresponding to obtain described system brightness, as mesh
Mark intrinsic brilliance value；And
First adjustment module, for when described intrinsic brilliance value is inconsistent with described target intrinsic brilliance value, to described display
The brightness of screen is adjusted, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
Mobile terminal the most according to claim 7, it is characterised in that described first acquisition module, including:
First gathers submodule, is placed in the photo-sensitive cell within described display screen for utilizing, gathers the original of described display screen
Light emission luminance value；
Transform subblock, for changing described original light emission luminance value according to preset carry-over factor, to obtain display screen
Intrinsic brilliance value.
Mobile terminal the most according to claim 8, the number of the plurality of photo-sensitive cell is the multiple of 4, the plurality of sense
Optical element is symmetrically disposed on four angles of described display screen, and described intrinsic brilliance value is that the reality that multiple photo-sensitive cell gathers is bright
The meansigma methods of angle value.
10. according to described mobile terminal arbitrary in claim 7 to 9, described adjustment module, including:
First regulon module, for when described intrinsic brilliance value is more than described target intrinsic brilliance value, turning down described display
The brightness of screen, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value；Or
Second regulon module, for when described intrinsic brilliance value is less than described target intrinsic brilliance value, heightening described display
The brightness of screen, until described intrinsic brilliance value is consistent with described target intrinsic brilliance value.
11. according to described mobile terminal arbitrary in claim 7 to 9, and described mobile terminal also includes:
Second acquisition module, for gathering the brightness value of display screen local environment light；
Second adjustment module, for the difference between the brightness value and described intrinsic brilliance value of described ambient light beyond difference threshold
During value, the brightness to described display screen is adjusted, until between the brightness value of described ambient light and described intrinsic brilliance value
Difference is without departing from described difference threshold.
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