CN104616633B - Method and device for adjusting display screen of portable terminal - Google Patents
Method and device for adjusting display screen of portable terminal Download PDFInfo
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- CN104616633B CN104616633B CN201510089790.XA CN201510089790A CN104616633B CN 104616633 B CN104616633 B CN 104616633B CN 201510089790 A CN201510089790 A CN 201510089790A CN 104616633 B CN104616633 B CN 104616633B
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Abstract
The invention discloses method and device for adjusting a display screen of a portable terminal. The method comprises the steps of acquiring color temperature information of environmental light; recognizing the light source type of the environmental light according to the color temperature information; finding out a preset color mode corresponding to the light source type; adjusting the display color of the display screen off the portable terminal according to the color mode. According to the technical scheme, the method has the advantages that whether the environmental light is natural light or light produced by a lamp can be recognized; the displaying color of the display screen can be adjusted according to the light source type of the environmental light; meanwhile, the displaying brightness can be adjusted according to the light intensity; therefore, the displaying brightness and displaying color of the display screen of the portable terminal can be adapted to the environment of a user, and the user eyesight can be protected well.
Description
Technical field
A kind of the present invention relates to portable terminal field, more particularly to the display screen control method and dress of portable terminal
Put.
Background technology
With the popularization and fast development of portable set, increasing electronic equipment all carries high-definition display screen,
People were also greatly increased using the time of the mobile devices such as mobile phone, panel computer, however, long-time watches the liquid of this high brightness
Brilliant screen can have a strong impact on the vision of user.Generally portable terminal has LCD display, detects ring by brightness sensor
Border light intensity, when environmental light intensity changes, system can according to current environment light intensity automatically adjust display screen display brightness and/
Or color is shown, protect user's vision.However, existing display screen control method, it is impossible to according to user be located environment be room
It is outer or indoor, be that light or natural light carry out display screen regulation, cause portable terminal display screen display brightness with
Show that color cannot be adapted with user place environment, it is not good enough to the protected effect of user's vision.
The content of the invention
It is an object of the invention to propose a kind of display screen control method and device of portable terminal, enable to portable
The display brightness of formula terminal display screen is adapted with user place environment with display color, preferably the vision of protection user.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of display screen control method of portable terminal, including：
Obtain the color temperature information of ambient light；
The light source type of the ambient light is recognized according to the color temperature information, is found default corresponding with the light source type
Color mode；
The display color of portable terminal display screen is adjusted according to the color mode.
Wherein, the color temperature information for obtaining ambient light, also includes afterwards：
Obtain the light intensity of ambient light；
Brightness value corresponding with the light intensity is found, and the display for portable terminal display screen being adjusted according to the brightness value is bright
Degree.
Wherein, it is described to find brightness value corresponding with the light intensity, include before：
Light intensity is divided into into some intervals, each interval corresponding relation with brightness value is set up；
It is described to find brightness value corresponding with the light intensity, including：
Determine the interval belonging to the light intensity, find out and the interval corresponding brightness value.
Wherein, the display brightness for adjusting portable terminal display screen according to the brightness value, also includes afterwards：
Obtain the distance between eyes of user and portable terminal display screen；
If it is determined that the distance is more than default first distance threshold, currently displaying brightness is heightened；If it is determined that described
Distance is less than default second distance threshold value, turns down currently displaying brightness；Otherwise, keep currently displaying brightness constant；
Wherein, the second distance threshold value is less than first distance threshold.
Wherein, the distance between the acquisition eyes of user and portable terminal display screen, also include afterwards：
Amplitude of variation of the distance in setting duration is determined less than predetermined amplitude scope, output is reminded user to change and used
The signal of eye posture.
Wherein, the light source type includes：Standard daylight and daylight light.
Another aspect of the present invention provides a kind of display screen adjusting means of portable terminal, including：
Colour temperature acquisition module, for obtaining the color temperature information of ambient light；
Mode decision module, for recognizing the light source type of the ambient light according to the color temperature information, finds default
Color mode corresponding with the light source type；
Display screen adjusting module, for adjusting the display color of portable terminal display screen according to the color mode.
Wherein, also include：
Light intensity acquisition module, for obtaining the light intensity of ambient light；
The mode decision module, is additionally operable to find brightness value corresponding with the light intensity；
The display screen adjusting module, is additionally operable to bright according to the display of brightness value regulation portable terminal display screen
Degree；
Apart from acquisition module, for obtaining the distance between eyes of user and portable terminal display screen；
The display screen adjusting module, is additionally operable to if it is determined that the distance is heightened more than default first distance threshold
Currently displaying brightness；If it is determined that the distance is less than default second distance threshold value, currently displaying brightness is turned down；Otherwise, protect
Hold currently displaying brightness constant；
Wherein, the second distance threshold value is less than first distance threshold.
Wherein, also include：
Setup module, for light intensity is divided into some intervals, sets up the light intensity in each interval and the corresponding relation of brightness value；
It is described to find brightness value corresponding with the light intensity, including：
Determine the interval belonging to the light intensity, find out and the interval corresponding brightness value；
The display screen adjusting means of the portable terminal, also includes：
Prompting module, for determining amplitude of variation of the distance in setting duration less than predetermined amplitude scope, output
User is reminded to change the signal of eye posture.
Wherein, the light source type includes：Standard daylight and daylight light；
The setup module, is additionally operable to set up the corresponding relation of each light source type and color mode.
Implement the embodiment of the present invention, have the advantages that：
Color temperature information of the embodiment of the present invention by acquisition ambient light, recognizes the ambient light according to the color temperature information
Light source type, finds default color mode corresponding with the light source type, adjusts portable terminal according to the color mode
The display color of end display screen.The scheme of the above embodiment of the present invention is capable of identify that ambient light is natural light or light, according to
The light source type of ambient light adjusts the display color of display screen, while may also be combined with light intensity carries out display brightness regulation so that just
Take the display brightness of formula terminal display screen and show that color and user place environment are adaptable, preferably the vision of protection user.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings discussed below is only this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the display screen control method of the portable terminal of first embodiment of the invention.
Fig. 2 is the display screen control method schematic flow sheet of the portable terminal of second embodiment of the invention.
Fig. 3 is the structural representation of the display screen adjusting means of the portable terminal of third embodiment of the invention.
Fig. 4 is the structural representation of the display screen adjusting means of the portable terminal of fourth embodiment of the invention.
Specific embodiment
Clear, complete description is carried out to the technical scheme in the embodiment of the present invention with reference to the accompanying drawing of the present invention, is shown
So, described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment obtained on the premise of creative work is not made by those of ordinary skill in the art,
Belong to the scope of protection of the invention.
First embodiment
Fig. 1 is the display screen control method flow chart of the portable terminal of first embodiment of the invention, in first embodiment
In, portable terminal can be the smart electronicses terminals with display screen such as mobile phone, flat board, PDA.First embodiment it is portable
The display screen control method of terminal includes step S101-S103, is described as follows：
Step S101, obtains the color temperature information of ambient light.
In the first embodiment, 7 kinds of coloured light that the light seen by human eye is made up of the three primary colories (RGB) of light
Spectrum is constituted, and colour temperature is specifically used to measure the color component of light.It is assumed that a certain black object, will can fall at which
On all heat absorptions, without loss, while and the energy of heat generation all can be discharged in the form of " light "
If coming, it will become different colors because of the height by heating power.For example, the heating power being subject to when black matrix is equivalent to 500
When～550 DEG C, kermesinus will be become, when reaching 1050～1150 DEG C, reform into yellow ... thus, the color component of light source
It is corresponding with the thermal temperature suffered by the black matrix.Colour temperature is the colour temperature unit with Kai Erwen (° K, that is, absolute temperature)
Come what is represented.Tungsten filament generally in bulb used by us is equivalent to this black matrix, colour temperature calculating method be exactly according to principles above,
The colour temperature of the radiated light of the tungsten filament that is heated is represented with ° K.According to this principle, the colour temperature of any light is comparable to above-mentioned
Black matrix gives out suffered " temperature " during same color.
In the present embodiment, colour temperature measurement device can be set in portable terminal in advance, for obtaining the color temperature information of ambient light,
And the color temperature information that the colour temperature measurement device periodically obtains ambient light can be set, with display color in real time to portable terminal
Coloured silk carries out adapt.
Step S102, recognizes the light source type of the ambient light according to the color temperature information, finds default with the light
The corresponding color mode of Source Type.
Generally, 10 points of high noon to 2 pm, the sky of ceiling unlimited, in the case of no direct sunlight,
Standard daylight is about in 5200～5500 ° of K；The colour temperature of news photography lamp is in 3200 ° of K；General tengsten lamp, photo studio shoot black and white
Tengsten lamp that photo is used and the colour temperature of general common bulb light are about in 2800 ° of K；And the colour temperature of general daylight lamp exists
7200～8500 ° of K or so.Therefore, can be according to the corresponding colour temperature situation identification portable terminal position of prior art light source
Current environment light type, for example, standard daylight, direct sunlight, partially dark daylight or daylight light.
In the present embodiment, before this step, each light source type need to be pre-build with the color mode of terminal display screen
Corresponding relation.For example, it is gorgeous pattern to arrange the corresponding color mode of standard daylight；The corresponding color mode of fluorescent light source is
Soft pattern etc..The corresponding relation can be set as the case may be, and the present invention is not construed as limiting to this.
Step S103, adjusts the display color of portable terminal display screen according to the color mode.
For example, when the hand-held portable terminal of user out of doors when, may recognize that according to the colour temperature of ambient light portable
The current environment light of terminal is standard daylight, then automatically control and for the display color of portable terminal display screen to be adjusted to gorgeous mould
Formula, is easy to user to see, visual effect more preferably, protects the eyes of user；If the hand-held portable terminal of user is in,
May recognize that current environment light is fluorescent light source type according to the colour temperature of ambient light, then automatically control and take formula terminal display screen
Show that color is adjusted to soft pattern, in order to avoid user feels to show that color is very dazzling, be conducive to protecting the eyes of user.
By first embodiment of the invention, by obtaining the color temperature information of ambient light, institute is recognized according to the color temperature information
The light source type of ambient light is stated, default color mode corresponding with the light source type is found, is adjusted according to the color mode
The display color of section portable terminal display screen.The scheme of the above embodiment of the present invention be capable of identify that ambient light be natural light or
Light, adjusts the display color of display screen according to the type of ambient light so that the display color of portable terminal display screen and use
Family place environment is adapted, preferably the vision of protection user.
Second embodiment
On the basis of first embodiment, further, with reference to light intensity and eyes of user and portable terminal display screen it
Between distance situation, the display brightness of display screen is adjusted so that the display brightness of portable terminal display screen with
Show that color is adapted with user place environment, preferably protection user's vision.
Fig. 2 is the display screen control method flow chart of the portable terminal of second embodiment of the invention, and details are as follows：
Step S201, obtains the color temperature information of ambient light, obtains the light intensity of ambient light.
In second embodiment, can be respectively used to by arranging colour temperature measurement device, light intensity sensor in portable terminal in advance
Obtain color temperature information and the light intensity of ambient light.And the colour temperature measurement device, light intensity sensor can be set respectively according to setting
Time cycle obtains the color temperature information of ambient light, light intensity.
In second embodiment, the time cycle for obtaining environment light color temperature can be more than the time cycle for obtaining ambient light light intensity,
After often obtaining an environment light color temperature, the light intensity of ambient light can be repeatedly obtained.
Step S202, recognizes the light source type of the ambient light according to the color temperature information, finds default with the light
The corresponding color mode of Source Type.
In second embodiment, the light source type includes：Direct sunlight, standard daylight, partially dark daylight, daylight light etc..
The corresponding relation of each light source type and the color mode of display screen need to be pre-build, is referred to described in above-mentioned first embodiment.
Step S203, finds brightness value corresponding with the light intensity；
In second embodiment, need light intensity is divided into some intervals in advance, and set up light intensity and the brightness value in each interval
Corresponding relation；The concrete mode for finding brightness value corresponding with the light intensity can be：Determine the interval belonging to the light intensity, find out
With the interval corresponding brightness value.
It should be noted that in the present embodiment, the execution of above-mentioned steps S202, S203 does not have strict sequencing.
Step S204, adjusts the display color of portable terminal display screen according to the color mode, according to the brightness
Value adjusts the display brightness of portable terminal display screen.
For example, if identifying, current environment light is standard daylight, automatically by the display color of portable terminal display screen
Gorgeous pattern is adjusted to, is easy to user to see, visual effect more preferably, protects the eyes of user；If user is hand-held described portable
When formula terminal is in, identifies that current environment light is fluorescent light source type, then take automatically the display color of formula terminal display screen
Soft pattern is adjusted to, in order to avoid user thinks that real color is very dazzling, is conducive to protecting the eyes of user.
Step S205, obtains the distance between eyes of user and portable terminal display screen.
In second embodiment, can by advance arranging distance detector in portable terminal, for obtain eyes of user with
The distance between portable terminal display screen.Distance detector can be set and periodically detect that eyes of user is shown with portable terminal
The distance between display screen.
Step S206, the distance is compared with the first distance threshold set in advance, if more than described first
Distance threshold？If so, currently displaying brightness is heightened, for example, currently displaying brightness is heightened into 10%, execution step S208, otherwise,
Execution step S207.
Step S207, the distance is compared with second distance threshold value set in advance, if less than described second
Distance threshold？If so, currently displaying brightness is turned down, for example, currently displaying brightness is turned down into 10%, otherwise, kept currently displaying bright
Degree is constant.Execution step S208.
In the present embodiment, the second distance threshold value is less than first distance threshold.For example, set second distance threshold value
For 20 centimetres, first distance threshold is 40 centimetres.By the display screen control method of second embodiment, according to current environment
After the light intensity of light draws corresponding brightness of display screen, herein in connection with the distance between active user's eyes and portable terminal display screen
Brightness of display screen is finely adjusted, with further protection eyes of user.
It should be noted that in the present embodiment, with first distance threshold and described in above-mentioned steps S206, S207
The comparative sequence of two distance thresholds can be exchanged.
Step S208, determines that the distance between eyes of user and portable terminal display screen are not sent in setting duration
Change, or amplitude of variation of the distance in setting duration is less than predetermined amplitude scope (such as change width in 5 minutes
Degree is less than 5 centimetres), output reminds user to change the signal of eye posture.
As another preferred implementation of the present embodiment, determine between eyes of user and portable terminal display screen
When distance is less than setting value, also exportable prompting user changes the signal of eye posture.
By above-mentioned second embodiment, when identifying that environment light source is daylight lamp, can be by portable terminal display screen
Show that color is adjusted to than milder, when identifying that environment light source is standard daylight, can be by the aobvious of portable terminal display screen
Show that color is adjusted to comparison gorgeous.Meanwhile, can also be shown with user and portable terminal according to the light intensity value of current environment light
The display brightness of the distance between screen adjustment display screen, for example, when the light intensity of ambient light is dark, it is default for can adjust display brightness
The first brightness, when the light intensity of ambient light is stronger, can adjust display brightness be default second brightness, the first brightness be less than second
Brightness, also, when the distance between user and portable terminal display screen are larger, can suitably heighten display brightness, when making
When the distance between user and portable terminal display screen are nearer, then need it is appropriate turn down display brightness, to reduce display screen light
The bright injury to eyes of user.
3rd embodiment
The display screen adjusting means of the portable terminal of third embodiment of the invention and the method for above-mentioned first embodiment
Embodiment belongs to same design, and in the present embodiment, the detail content of not detailed description, may be referred to above-mentioned first embodiment.
Fig. 3 is refer to, the display screen adjusting means of the portable terminal of 3rd embodiment includes：Colour temperature acquisition module 310,
Mode decision module 320 and display screen adjusting module 330.
The colour temperature acquisition module 310, for obtaining the color temperature information of ambient light.
In the present embodiment, the mode for obtaining the color temperature information of ambient light refer to above-mentioned first embodiment.
The mode decision module 320, for recognizing the light source type of the ambient light according to the color temperature information, finds
Default color mode corresponding with the light source type.
In the present embodiment, the light source type includes：Direct sunlight, standard daylight, partially dark daylight, daylight light etc..Respectively
The color mode of the respective display screen of light source type correspondence.The light source type of the ambient light is recognized according to the color temperature information,
The concrete mode for finding default color mode corresponding with the light source type is refer to described in above-mentioned first embodiment.
The display screen adjusting module 330, for adjusting the display of portable terminal display screen according to the color mode
Color.
In the present embodiment, the concrete mode for adjusting the display color of portable terminal display screen according to the color mode please
With reference to described in above-mentioned first embodiment.For example, when the hand-held portable terminal of user out of doors when, according to the colour temperature of ambient light
May recognize that current environment light is standard daylight, then the display color of portable terminal display screen is adjusted to into gorgeous mould automatically
Formula, is easy to user to see, i.e., visual effect more preferably, while and protection user eyes；If user is hand-held described portable
When terminal is in, may recognize that current environment light is fluorescent light source type according to the colour temperature of ambient light, then take automatically formula terminal
The display color of display screen is adjusted to soft pattern, in order to avoid user feels to show that color is very dazzling, protects the eyes of user.
Fourth embodiment
The display screen adjusting means of the portable terminal of fourth embodiment of the invention and the method for above-mentioned second embodiment
Embodiment belongs to same design, and in the present embodiment, the detail content of not detailed description, may be referred to above-mentioned second embodiment.
As shown in figure 4, Fig. 4 not only includes color for the display screen adjusting means of the portable terminal of fourth embodiment of the invention
Warm acquisition module 310, mode decision module 320 and display screen adjusting module 330, specifically as described in above-mentioned 3rd embodiment, no
Repeat.Additionally, the display screen adjusting means of the portable terminal of fourth embodiment also includes：Light intensity acquisition module 340, distance
Acquisition module 350, setup module 360 and prompting module 370, details are as follows for each module：
The light intensity acquisition module 340, for obtaining the light intensity of ambient light.It is corresponding, in fourth embodiment, the pattern
Determining module 320, is additionally operable to find brightness value corresponding with the light intensity；The display screen adjusting module 330, be additionally operable to according to
The brightness value adjusts the display brightness of portable terminal display screen.
It is described apart from acquisition module 350, for obtaining the distance between eyes of user and portable terminal display screen.Correspondence
, in fourth embodiment, the display screen adjusting module 330 is additionally operable to according to the distance to portable terminal display screen
Currently displaying brightness is adjusted.Concretely：If it is determined that the distance is more than default first distance threshold, currently will show
Show that brightness heightens 10%；If it is determined that the distance is less than default second distance threshold value, currently displaying brightness is turned down into 10%；
Otherwise, keep currently displaying brightness constant；Wherein, the second distance threshold value is less than first distance threshold.It is embodied as
When, second distance threshold value can be set as 20 centimetres, first distance threshold is 40 centimetres.
The setup module 360, for light intensity is divided into some intervals, the light intensity for setting up each interval is right with brightness value
Should be related to.It is corresponding, it is in fourth embodiment, described to find brightness value corresponding with the light intensity, including：First determine the light intensity
Affiliated interval, then find out and the interval corresponding brightness value.
In addition, the setup module 360, is additionally operable to set up the corresponding relation of each light source type and color mode.
The prompting module 370, for determining that amplitude of variation of the distance in setting duration is less than predetermined amplitude model
Enclose (such as the amplitude of variation in 5 minutes is less than 5 centimetres), output reminds user to change the signal of eye posture.
By above-mentioned fourth embodiment, when identifying that environment light source is daylight lamp, can be by portable terminal display screen
Show that color is adjusted to than milder, when identifying that environment light source is standard daylight, can be by the aobvious of portable terminal display screen
Show that color is adjusted to comparison gorgeous.Meanwhile, can also be shown with user and portable terminal according to the light intensity value of current environment light
The display brightness of the distance between screen adjustment display screen, for example, when the light intensity of ambient light is dark, it is default for can adjust display brightness
The first brightness, when the light intensity of ambient light is stronger, can adjust display brightness be default second brightness, the first brightness be less than second
Brightness, also, when the distance between user and portable terminal display screen are larger, can suitably heighten display brightness, when making
When the distance between user and portable terminal display screen are nearer, then need it is appropriate turn down display brightness, to reduce display screen light
The bright injury to eyes of user.
Above disclosed is only present pre-ferred embodiments, and the right that can not limit certainly the present invention with this will
Scope is sought, therefore, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. still belong to this
The covered scope of invention.
Claims (7)
1. the display screen control method of a kind of portable terminal, it is characterised in that include：
Obtain the color temperature information of ambient light；
The light source type of the ambient light is recognized according to the color temperature information, default color corresponding with the light source type is found
Color pattern；
The display color of portable terminal display screen is adjusted according to the color mode；
Obtain the light intensity of ambient light；
Brightness value corresponding with the light intensity is found, and the display brightness of portable terminal display screen is adjusted according to the brightness value；
Obtain the distance between eyes of user and portable terminal display screen；
If it is determined that the distance is more than default first distance threshold, currently displaying brightness is heightened；If it is determined that the distance
Less than default second distance threshold value, currently displaying brightness is turned down；Otherwise, keep currently displaying brightness constant；
Wherein, the second distance threshold value is less than first distance threshold.
2. the display screen control method of portable terminal as claimed in claim 1, it is characterised in that described to find and the light intensity
Corresponding brightness value, includes before：
Light intensity is divided into into some intervals, each interval corresponding relation with brightness value is set up；
It is described to find brightness value corresponding with the light intensity, including：
Determine the interval belonging to the light intensity, find out and the interval corresponding brightness value.
3. the display screen control method of portable terminal as claimed in claim 1, it is characterised in that the acquisition eyes of user with
The distance between portable terminal display screen, also includes afterwards：
Amplitude of variation of the distance in setting duration is determined less than predetermined amplitude scope, output is reminded user to change and uses eye appearance
The signal of gesture.
4. as described in claim 1-3 is arbitrary portable terminal display screen control method, it is characterised in that the light source type
Including：Standard daylight and daylight light；
It is described find default color mode corresponding with the light source type before, also include：
Set up the corresponding relation of each light source type and color mode.
5. the display screen adjusting means of a kind of portable terminal, it is characterised in that include：
Colour temperature acquisition module, for obtaining the color temperature information of ambient light；
Mode decision module, for recognizing the light source type of the ambient light according to the color temperature information, finds default and institute
State the corresponding color mode of light source type；
Display screen adjusting module, for adjusting the display color of portable terminal display screen according to the color mode；
Light intensity acquisition module, for obtaining the light intensity of ambient light；
The mode decision module, is additionally operable to find brightness value corresponding with the light intensity；
The display screen adjusting module, is additionally operable to adjust the display brightness of portable terminal display screen according to the brightness value；
Apart from acquisition module, for obtaining the distance between eyes of user and portable terminal display screen；
The display screen adjusting module, is additionally operable to if it is determined that the distance is more than default first distance threshold, heighten current
Display brightness；If it is determined that the distance is less than default second distance threshold value, currently displaying brightness is turned down；Otherwise, keep working as
Front display brightness is constant；
Wherein, the second distance threshold value is less than first distance threshold.
6. the display screen adjusting means of portable terminal as claimed in claim 5, it is characterised in that also include：
Setup module, for light intensity is divided into some intervals, sets up the light intensity in each interval and the corresponding relation of brightness value；
It is described to find brightness value corresponding with the light intensity, including：
Determine the interval belonging to the light intensity, find out and the interval corresponding brightness value；
The display screen adjusting means of the portable terminal, also includes：
Prompting module, for determining amplitude of variation of the distance in setting duration less than predetermined amplitude scope, output is reminded
User changes the signal of eye posture.
7. the display screen adjusting means of portable terminal as claimed in claim 6, it is characterised in that the light source type includes：
Standard daylight and daylight light；
The setup module, is additionally operable to set up the corresponding relation of each light source type and color mode.
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| CN201510089790.XA CN104616633B (en) | 2015-02-27 | 2015-02-27 | Method and device for adjusting display screen of portable terminal |
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| CN201510089790.XA CN104616633B (en) | 2015-02-27 | 2015-02-27 | Method and device for adjusting display screen of portable terminal |
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