CN101815127B - Mobile terminal and method for adjusting visual effect of screen thereof - Google Patents

Mobile terminal and method for adjusting visual effect of screen thereof Download PDF

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Publication number
CN101815127B
CN101815127B CN201010146125.7A CN201010146125A CN101815127B CN 101815127 B CN101815127 B CN 101815127B CN 201010146125 A CN201010146125 A CN 201010146125A CN 101815127 B CN101815127 B CN 101815127B
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China
Prior art keywords
screen
mobile terminal
distance
usual
actual range
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Expired - Fee Related
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CN201010146125.7A
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Chinese (zh)
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CN101815127A (en
Inventor
王昕�
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ZTE Corp
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ZTE Corp
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Priority to CN201010146125.7A priority Critical patent/CN101815127B/en
Priority to PCT/CN2010/074254 priority patent/WO2011127689A1/en
Publication of CN101815127A publication Critical patent/CN101815127A/en
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Publication of CN101815127B publication Critical patent/CN101815127B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0261Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/14Solving problems related to the presentation of information to be displayed
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00Aspects of interface with display user
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72427User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting games or graphical animations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/12Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a mobile terminal and a method for adjusting the visual effect of a screen thereof. The mobile terminal comprises a sensor, a judging module and an adjusting module, wherein the sensor is used for acquiring the actual distance between the screen of the mobile terminal and an object ahead; the judging module is used for judging whether the actual distance acquired by the sensor is within the preset distance range in which a user operates the mobile terminal; and the adjusting module is used for adjusting the visual effect attributes of the screen according to the judgment of the judging module. The mobile terminal can dynamically adjust the visual effect attributes, bring convenience to operation of the user, and save time.

Description

Mobile terminal and method for adjusting visual effect of screen thereof
Technical field
The present invention relates to the communications field, in particular to a kind of mobile terminal and method for adjusting visual effect of screen thereof.
Background technology
Along with the develop rapidly of mobile communication technology, mobile terminal, as the variation further of the function of mobile phone, except conventional communication function, can also provide the several functions such as personal information management, multimedia, e-book and game.Meanwhile, the screen of mobile terminal also develops into true color of today, large scale, high-resolution and supports the LCD screen of touch control from the liquid crystal display screen of monochrome, small size and the low resolution in past.Although mobile terminal adopts graphic user interface can make display effect better, but incident is the significantly increase (screen size and backlight be increased in the significantly lifting that causes power consumption in whole system) of power consumption and the complex operations step of adjusting depending on effect (comprising screen intensity, bias light switch, font size, window assembly size and backcolor etc.).
User uses the mode of mobile phone to distinguish to some extent different in the situation that, and this can cause that the visual effect of screen is had to different requirements, for example, require to adjust brightness or font size etc.But inventor finds, in correlation technique, in the time that user need to adjust mobile phone visual effect, to need artificially operating handset, this has increased trouble to user, and expends the more time.
For example, in the time that user does not need to use mobile phone, need artificially to close screen; Or after waiting for one section of timing, mobile phone just can cut out screen, this has increased trouble to user, expends the more time, and this causes unnecessarily consuming electric energy.
At present, having proposed a kind of mobile phone screen is Integrated Light line sensor in mobile phone depending on the method for adjustment of effect, the backlight illumination of mobile phone screen is set to address the above problem according to the testing result of ambient light power.But, in some application scenario, can not correctly reflect the use state of mobile phone according to the light power of external environment, and this method only can adjust screen intensity, can not realize adjustment to whole depending on effect.Therefore user, in order to obtain the good visual effect being consistent according to practical application scene, still needs artificially operating handset, so still there is troublesome poeration, more problem consuming time.
Summary of the invention
Main purpose of the present invention is to provide a kind of mobile terminal and method for adjusting visual effect of screen thereof, at least to address the above problem.
According to an aspect of the present invention, provide a kind of mobile terminal, having comprised: transducer, for obtaining the screen of mobile terminal and the actual range of objects in front; Judge module, for judging that actual range that transducer obtains is whether in the distance regions of the user's operating mobile terminal setting in advance; And adjusting module, look effect attribute for what adjust screen according to the judgement of judge module.
According to a further aspect in the invention, provide a kind of method for adjusting visual effect of screen of mobile terminal, having comprised: obtained the screen of mobile terminal and the actual range of objects in front; Whether the actual range that gets of judgement is in the distance regions of the user's operating mobile terminal setting in advance; That adjusts screen according to judged result looks effect attribute.
By the present invention, by the screen of sensor measurement mobile terminal and the actual range of objects in front are set, that whether in the distance regions with mobile terminal, adjusts screen user according to this actual range looks effect attribute, thereby can judge preferably the use scenes of current mobile terminal, solve correlation technique and still needed artificially operating mobile terminal, so troublesome poeration, more problem consuming time, thereby can carry out the use state of reflect mobile terminal truly by the actual range of measuring mobile terminal and objects in front, dynamically adjust and look effect attribute, facilitate user's operation, save the time.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the mobile terminal of the embodiment of the present invention;
Fig. 2 is according to the schematic diagram of the mobile terminal of the embodiment of the present invention one;
Fig. 3 is the preset interaction diagrams of looking effect policy module according to the embodiment of the present invention one;
Fig. 4 is according to the flow chart of the method for adjusting visual effect of screen of the mobile terminal of the embodiment of the present invention; And
Fig. 5 is according to the flow chart of the method for adjusting visual effect of screen of the mobile terminal of the embodiment of the present invention one.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Fig. 1 is according to the schematic diagram of the mobile terminal of the embodiment of the present invention.As shown in Figure 1, this mobile terminal comprises:
Transducer 10, for obtaining the screen of mobile terminal and the actual range of objects in front;
Judge module 20, for judging whether this actual range that transducer 10 obtains operates in the distance regions of this mobile terminal the user who sets in advance;
Adjusting module 30, looks effect attribute for what adjust screen according to the judgement of judge module 20.
Wherein, transducer 10 is range sensor, the infrared ray that current range sensor is reflected back based on reception front barrier or the distance of ultrasonic wave measuring and calculating transducer and front barrier, and measuring accuracy reaches Centimeter Level, in robot, the multiple fields such as automobile are used widely.At present existing volume, less than the low-power consumption range sensor of 5mm, can be integrated on mobile terminal.
This embodiment is by arranging the screen of sensor measurement mobile terminal and the actual range of objects in front, according to this actual range whether adjust in the distance regions with mobile terminal user screen depending on effect attribute (comprising backlight illumination, font and window assembly size etc.), thereby can judge preferably the use scenes of current mobile terminal, solve correlation technique and still needed artificially operating mobile terminal, so troublesome poeration, more problem consuming time.Can carry out the use state of reflect mobile terminal truly by the actual range of measuring mobile terminal and objects in front with this embodiment, dynamically effect attribute is looked in adjustment, has facilitated user's operation, has saved the time.
Above-mentioned mobile terminal can be mobile phone, PDA etc.
Wherein, transducer 10 can be positioned at same plane with the main screen panel of mobile terminal and towards identical.The always screen of mobile terminal and the distance of objects in front of actual range that like this, can make sensor measurement arrive.
Preferably, in above-mentioned mobile terminal, also comprise: module 40 is set, for accepting user, the maximum f between distance regions is set maxwith minimum value f min, and user's operating mobile terminal usual look effect attribute and usual apart from f com, wherein, the value of usual distance is positioned between distance regions, the usual grade B that comprises the backlight illumination of usual screen depending on effect attribute com.Like this, ultimate range (maximum between above-mentioned distance regions) when user can arrange regular job mobile terminal according to the custom of oneself and minimum range (minimum value between above-mentioned distance regions) are to arrange between above-mentioned distance regions, usual distance when an own regular job mobile terminal can also be set and usual visual effect of screen attribute etc., the parameter that these users arrange is saved in mobile terminal, so that subsequent movement terminal is looked effect adjustment according to these parameters.Wherein, in the time being backlight illumination depending on effect attribute, can reach the effect of the power consumption that reduces mobile terminal.
Preferably, adjusting module 30 comprises:
Computing module 301, for calculating the first upgrading step distance f of backlight illumination of screen bupwith the first degradation step distance f bdownfor:
The first upgrading step distance
The first degradation step distance wherein, f maxfor the maximum between distance regions, f minfor the minimum value between distance regions, f comfor usual distance, B sumfor the grade-adjustable number of the backlight illumination of screen, B comfor the grade of the backlight illumination of usual screen, for downward rounding operation symbol;
Adjustment module 302, for judge when judge module 20 actual range in distance regions in time, be P by the level adjustment of the backlight illumination of screen b:
wherein, P bfor the grade that the backlight illumination of screen will be adjusted to, P bcurfor the current grade of the backlight illumination of screen, f curfor actual range.
The preferred embodiment provide when sensor measurement to actual range in the distance regions of user's operation, (be generally 20 centimetres-100 centimetres, this interval value is wider, modal is 30 centimetres-50 centimetres) time, now, can think that user is watching the screen of mobile terminal attentively, can calculate and be suitable for the screen backlight brightness of this actual range and adjust to facilitate user can more clearly see screen clearly according to the parameter of the above-mentioned actual range measuring and above-mentioned user setting.In addition can also reduce further, the power consumption of mobile terminal by adjust the backlight illumination of screen according to actual range.
Preferably, the usual of screen also comprises usual font and window assembly size depending on effect attribute;
Computing module 301, also for calculating the second upgrading step distance f of the font of screen and window assembly size supwith the second degradation step distance f sdownfor:
The second upgrading step distance
The second degradation step distance wherein, S sumfor the grade-adjustable number of font and the window assembly size of screen, S comfor the grade of usual font and window assembly size;
Adjustment module 302 also for judge when judge module actual range in distance regions in time, be P by the level adjustment of the font of screen and window assembly size s:
wherein, P sfor the font of screen and the grade that will adjust to of window assembly size, P scurfor the font of screen and the current grade of window assembly size, f curfor actual range.
The preferred embodiment provide when sensor measurement to actual range in the distance regions of user's operation, (be generally 20 centimetres-100 centimetres, this interval value is wider, modal is 30 centimetres-50 centimetres) time, now, can think that user is watching the screen of mobile terminal attentively, can calculate font and the window assembly size of the screen that is suitable for this actual range and adjust to facilitate user can more clearly see screen clearly according to the parameter of the above-mentioned actual range measuring and above-mentioned user setting.
Above preferred embodiment, in the time judging in the distance regions of current actual range in preset regular job, can and usually dynamically be adjusted and look effect depending on effect property parameters according to the usual distance of user preset.Such as, current actual range is larger than usual distance, and screen backlight brightness degree should rising, font and window assembly size also should become large; Current actual range is less than usual distance, and screen backlight brightness degree should reduction, font and window assembly size also need to dwindle.This scheme of dynamically adjusting visual effect of screen according to the actual range of mobile terminal and objects in front can bring good user to experience, and exempts visual fatigue.
Wherein, transducer 10 periodically obtains actual range.Wherein, the mode that transducer 10 periodically obtains actual range can comprise: at mobile terminal in non-resting state in the situation that, transducer 10, according to the periodic quantity that user that module 40 receives the arranges periodic quantity of the screen of mobile terminal and the actual range of objects in front (module 40 is set also transducer 10 is set obtains for accepting user) is set, periodically obtains actual range; Or in non-resting state in the situation that, transducer, according to the default cycles value setting in advance, periodically obtains actual range at mobile terminal.
Mobile terminal utilizes transducer 10 to obtain above-mentioned actual range and adjust generally all carrying out depending on effect attribute of screen in the time that mobile terminal is under non-resting state, now thinks that user is at operating mobile terminal.And transducer 10 to obtain the mode of above-mentioned actual range be periodically, this cycle can select to arrange or adopt default value by user, the occurrence in such as cycle can be generally 1s, 0.1s, 2s etc.It is less that the value in cycle arranges, the actual range that mobile terminal obtains according to transducer adjust screen to look effect attribute also just more responsive, but power consumption is also larger simultaneously.In the time that reality is implemented, obtain equilibrium thereby can choose according to actual needs suitable value.
Preferably, adjusting module 30 also comprises: closing module 303, when judge outside actual range is between distance regions at judge module 20, close the backlight illumination of screen.
If user's inoperation under holding state conventionally, mobile terminal is in resting state, is to lower power consumption to increase stand-by time screen and backlightly all close.In the time that user uses mobile terminal, can, by the mode of button or point touching screen by mobile terminal activating, open screen backlight.Now user watches screen, and now the distance of user and mobile terminal generally remains on 20 centimetres-100 centimetres (this interval value is wider, and modal is 30 centimetres-50 centimetres), too far too closely is all not suitable for watching screen.At this, deserve to be called and state between the distance regions that distance range is regular job.Distance outside the distance interval range of regular job can think that user is not in watching screen state.If transducer 10 records current actual range not in this distance regions, think that user does not watch the screen of mobile terminal attentively.Particularly, if be less than the minimum value between this distance regions, can judge that user puts pocket in talking state or by mobile terminal; If current actual range is greater than the maximum between this distance regions, can judges user in hand-free call state or mobile terminal is put on the table.In these cases, all can and backlightly all close screen, be adjusted into 0 by backlight illumination, thereby reduce to greatest extent the power consumption of mobile terminal.
As shown in Figure 2, in the time that reality is implemented, the judge module 20 in Fig. 1, the function of adjusting module 30 can be realized by main control module 201, the function that module 40 is set in Fig. 1 can by mobile terminal software preset depending on effect policy module 202 realize.
Wherein, preset depending on effect policy module 202 by (being above-mentioned f between the distance regions that interactive interface is provided sets in advance personal daily custom operation for user maxand f min), usual apart from f com, and relevant effect attribute (for example, the grade B of the backlight illumination of usual screen that looks comgrade S with usual font and window assembly size com), these parameters can be referred to as looks the tactful parameters of effect, and these parameters that arrange are saved in the permanent storage unit of mobile terminal.Here, the method that user arranges can have various ways, arranges for the convenience of the user, as shown in Figure 3, can carry out in the following way:
Step S302, presetly looks effect policy module 202 and starts operation, completes the initialization of self graphical interfaces and data structure.Read and be shown to user by screen 203 depending on the tactful parameters of effect what arrange before user from the permanent storage unit of mobile terminal.In the time that user wants to reset, enter step S304;
Step S304, user arranges the minimum value between the distance regions of regular job: prompting user is positioned over mobile terminal own eyes and can sees clearly the minimum range of screen, confirm, after this distance, to obtain distance now by transducer 10 when user adopts button or other mode of operation, be designated as f min;
Step S306, user arranges the maximum between the distance regions of regular job: prompting user is placed into mobile terminal own eyes and can sees clearly the ultimate range of screen, confirm, after this distance, to obtain distance now by transducer 10 when user adopts button or other mode of operation, be designated as f max;
Step S308, user arranges the usual value (being above-mentioned usual distance) between the distance regions of regular job: mobile terminal is placed into the operating distance that own daily custom is used by prompting user, when adopting button or alternate manner, user confirms after this distance, obtain distance now by transducer 10, be designated as f com.And prompting user chooses and is set in this apart from f comwhat oneself was accustomed to using down looks effect property parameters.Such as: the grade of conventional screens backlight illumination, is designated as B com; And usual font and window assembly size, be designated as S com;
Step S310, when user confirms after setting completed, main control module 201 receives the parameter of above-mentioned setting, and notifies display properties parameters to revise and be updated to permanent storage unit.Out of service depending on effect policy module 202.
In addition, alternatively, preset can also for example, by providing interactive interface (to set in advance periodic quantity T that transducer 10 obtains the screen of mobile terminal and the actual range of objects in front for user depending on effect policy module 202, provide several periodic quantities to select for user by interactive interface), and be saved in the permanent storage unit of mobile terminal.Like this, transducer 10 can, according to the periodic quantity T of this setting, periodically obtain the actual range with objects in front.
Main control module 201 as the primary module in mobile terminal software in the time that mobile terminal is under non-resting state, timing controlled transducer 10 carries out distance and detects, and the range data of itself and the screen objects in front measured according to transducer 10 (being above-mentioned actual range) and the preset effect attribute (as backlight illumination, font and window assembly size and background color etc.) of looking of mobile terminal is dynamically adjusted depending on the tactful parameters of effect and the current use state of mobile terminal depending on effect policy module 202.For example, in the time that user takes out mobile terminal and opens dialing interface and start to make a call, main control module 201 is adjusted into certain matching value to be user-friendly to apart from the distance (being the distance of range sensor 10) of screen by the backlight illumination of screen and font and window assembly size according to active user face; When after call through, user is placed on mobile terminal in one's ear and receives calls, the actual range that now main control module 201 returns according to transducer 10 can be judged without the necessity (now can judge actual range and exceed the scope between distance regions) showing, for power saving can be closed the backlight of screen and other and the irrelevant hardware of talking state completely.
Wherein, can be by main control module 201 according to user by preset depending on the upgrading step distance of the calculation of parameter screen backlight brightness that arranges of effect policy module 202 and the upgrading step distance of degradation step distance and font and window assembly size and degradation step distance, and the data that calculate are saved in the permanent storage unit of mobile terminal.
Wherein, transducer 10 and screen 203 belong to hardware and bottom layer driving category, main control module 201 and the preset software subsystem category that belongs to mobile terminal depending on effect policy module 202.
Fig. 4 is according to the flow chart of the method for adjusting visual effect of screen of the mobile terminal of the embodiment of the present invention, comprises the following steps:
Step S402, obtains the screen of mobile terminal and the actual range of objects in front;
Step S404, whether this actual range of getting of judgement is in the distance regions of the user's operating mobile terminal setting in advance;
Step S406, that adjusts screen according to judged result looks effect attribute.
This embodiment is by measuring the screen of mobile terminal and the actual range of objects in front, according to this actual range whether adjust in the distance regions with mobile terminal user screen depending on effect attribute (comprising backlight illumination, font and window assembly size etc.), thereby can judge preferably the use scenes of current mobile terminal, solve correlation technique and still needed artificially operating mobile terminal, so troublesome poeration, more problem consuming time.Can carry out the use state of reflect mobile terminal truly by the actual range of measuring mobile terminal and objects in front with this embodiment, dynamically effect attribute is looked in adjustment, has facilitated user's operation, has saved the time.
Preferably, in above-mentioned method, also comprise: usual effect attribute and the usual distance of looking of accepting user and arrange maximum between distance regions and minimum value and user's operating mobile terminal, wherein, the value of usual distance is positioned between distance regions, the usual grade that comprises the backlight illumination of usual screen depending on effect attribute.Like this, user can arrange above-mentioned parameter according to the custom of oneself, and the mode that wherein user arranges can be mode as shown in Figure 3.
Preferably, step S406 comprises:
Calculate the first upgrading step distance f of the backlight illumination of screen bupwith the first degradation step distance f bdownfor:
The first upgrading step distance
The first degradation step distance wherein, f maxfor the maximum between distance regions, f minfor the minimum value between distance regions, f comfor usual distance, B sumfor the grade-adjustable number of the backlight illumination of screen, B comfor the grade of the backlight illumination of usual screen, for downward rounding operation symbol;
When the judged result in step S404 be actual range in distance regions in time, by the level adjustment of the backlight illumination of screen be:
wherein, P bfor the grade that will adjust to of the backlight illumination of screen, P bcurfor the current grade of the backlight illumination of screen, f curfor actual range.
The preferred embodiment provides mobile terminal in the time that the actual range measuring is positioned between the distance regions that user arranges, and dynamically adjusts the specific embodiments of the backlight illumination of screen.
Preferably, the usual of user's setting also comprises usual font and window assembly size depending on effect attribute; Step S406 also comprises:
Calculate the second upgrading step distance f of font and the window assembly size of screen supwith the second degradation step distance f sdownfor:
The second upgrading step distance
The second degradation step distance wherein, S sumfor the grade-adjustable number of font and the window assembly size of screen, S comfor the grade of usual font and window assembly size;
When the judged result in step S404 be actual range in distance regions in time, by the level adjustment of the font of screen and window assembly size be:
wherein, P sfor the font of screen and the grade that will adjust to of window assembly size, P scurfor the font of screen and the current grade of window assembly size, f curfor actual range.
The preferred embodiment provides mobile terminal in the time that the actual range measuring is positioned between the distance regions that user arranges, and dynamically adjusts the font of screen and the specific embodiments of window assembly size.
Wherein, the actual range in step S402 according to predetermined period periodically obtain manner obtain.Wherein, periodically obtain manner can comprise: at mobile terminal in non-resting state in the situation that, the periodic quantity arranging according to the user who receives is (in above-mentioned method, also comprise accept user arrange obtain the periodic quantity of the screen of mobile terminal and the actual range of objects in front), periodically obtain actual range; Or, in non-resting state in the situation that, according to the default cycles value setting in advance, periodically obtain actual range at mobile terminal.
Mobile terminal utilization is obtained above-mentioned actual range and adjust generally all carrying out depending on effect attribute of screen in the time that mobile terminal is under non-resting state, now thinks that user is at operating mobile terminal.And the mode of obtaining above-mentioned actual range is periodically, this cycle can be selected to arrange or adopt default value by user, and the occurrence in such as cycle can be generally 1s, 0.1s, 2s etc.It is less that the value in cycle arranges, mobile terminal according to the actual range obtaining adjust screen to look effect attribute also just more responsive, but power consumption is also larger simultaneously.In the time that reality is implemented, obtain equilibrium thereby can choose according to actual needs suitable value.
Preferably, step S406 also comprises: the judged result of step S404 be actual range between distance regions outside time, close the backlight illumination of screen.Now, can think that user does not watch the screen of mobile terminal attentively, can close like this screen and the effect that reaches the power consumption of farthest saving mobile terminal backlight.
Fig. 5 is according to the flow chart of the method for adjusting visual effect of screen of the mobile terminal of the embodiment of the present invention one, comprises the following steps:
Step S502, in the time of user's operating handset, mobile phone is changed and is entered holding state from the resting state of low-power consumption, opens screen backlight;
Step S504, enters after holding state, regularly (according to certain cycle) carry out range operation, the actual range recording is designated as f cur.For reducing power consumption, the interval (being the above-mentioned cycle) of regularly finding range is generally made as 1 second or higher; In the time that measuring distance exceeds investigative range, judge front without object and return to corresponding measuring state;
Particularly, mobile terminal is accepted user the actual range f that obtains screen and objects in front is set curthe periodic quantity T adopting, mobile terminal, in non-resting state in the situation that, according to this periodic quantity T, periodically obtains actual range;
Or mobile terminal, in non-resting state in the situation that, according to the default cycles value setting in advance, periodically obtains actual range.
Step S506, judgement is f relatively curwith f maxsize, if f curbe greater than f max, proceed to step 508, otherwise, step 510 entered;
Step S508, by f curbe greater than f maxor be less than f min, current distance has exceeded between distance regions used in everyday, thinks that user now no longer watches screen attentively (such as mobile terminal being put to hands-free incoming call answering on the table, f curbe greater than f max, or be placed on and converse in one's ear or put into pocket, f curbe less than f min), be power saving, screen backlight is closed, then go back to step S504, continue timing and detect change of distance;
Step S510, relatively f curwith f minsize, if f curbe less than f min, go back to step S508, otherwise, step S512 entered;
Step S512, this moment f curbe positioned between regular job distance regions, certain should establish grade P depending on effect attribute to calculate screen i:
wherein, P curfor the current rank of this visual effect of screen attribute, f iupfor looking effect attribute upgrading step distance, f idownfor looking effect attribute degradation step distance.
Step S514, relatively P iwith P cursize, if both not etc., do not enter step S518, if equate, enter step S516;
Step S516, resetting visual effect of screen attribute is P i(such as screen backlight brightness degree, font size grade), uses under current distance being adapted at, then enters step S516;
Step S518, detect user whether shut-down operation and dormancy time delay time limit arrive, if proceed to step S520, otherwise return to step S504, start one and take turns new distance and detect.
Step S520, closes screen backlight and other needs module of software and hardware out of service, enters the resting state of low-power consumption.
From above description, can find out, the present invention has realized following technique effect: utilize transducer to detect the actual range between mobile phone screen and objects in front, according to measuring and calculating distance dynamically arranging mobile terminal, be user-friendly to reach, save the object of power consumption simultaneously.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (9)

1. a mobile terminal, is characterized in that, comprising:
Transducer, for obtaining the screen of described mobile terminal and the actual range of objects in front;
Judge module, for judging whether the described actual range that described transducer obtains operates in the distance regions of described mobile terminal the user who sets in advance; And
Adjusting module, looks effect attribute for what adjust described screen according to the judgement of described judge module;
Wherein, described adjusting module comprises:
Computing module, for calculate screen backlight illumination first upgrading step distance and first degradation step distance be:
The first upgrading step distance
The first degradation step distance
Wherein, f maxfor the maximum between described distance regions, f minfor the minimum value between described distance regions, f comfor usual distance, B sumfor the grade-adjustable number of the backlight illumination of screen, B comfor the grade of the backlight illumination of usual screen, for downward rounding operation symbol;
Adjustment module, for judge when described judge module described actual range in described distance regions in time, by the level adjustment of the backlight illumination of described screen be:
Wherein, P bfor the grade that the backlight illumination of screen will be adjusted to, P bcurfor the current grade of the backlight illumination of screen, f curfor described actual range.
2. mobile terminal according to claim 1, is characterized in that, described transducer and described screen towards identical.
3. mobile terminal according to claim 1, is characterized in that, also comprises:
Module is set, maximum between described distance regions and minimum value and described user be set operate usual effect attribute and the usual distance of looking of described mobile terminal for accepting described user, wherein, the value of usual distance is positioned between described distance regions, the usual grade that comprises the backlight illumination of usual screen depending on effect attribute.
4. mobile terminal according to claim 1, is characterized in that, the usual of described screen also comprises usual font and window assembly size depending on effect attribute;
Described computing module, for calculating the font of described screen and the second upgrading step distance of window assembly size and the second degradation step distance is also:
The second upgrading step distance
The second degradation step distance
Wherein, S sumfor the grade-adjustable number of font and the window assembly size of described screen, S comfor the grade of usual font and window assembly size;
Described adjustment module also for judge when described judge module described actual range in described distance regions in time, by the level adjustment of the font of described screen and window assembly size be:
P S = P Scur + [ ( f cur - f com / f Sup ) ] , f cur > f com P S = P Scur - [ ( f com - f cur ) / f Sdown ] , f cur < f com ,
Wherein, P sfor the grade that font and the window assembly size of screen will be adjusted to, P scurfor the font of screen and the current grade of window assembly size, f curfor described actual range.
5. mobile terminal according to claim 3, is characterized in that, obtains described actual range described cycle sensor.
6. mobile terminal according to claim 5, is characterized in that, the mode of obtaining described actual range comprises described cycle sensor:
At described mobile terminal in non-resting state in the situation that, described transducer arranges according to described the periodic quantity that user that module receives arranges, and periodically obtains described actual range; Or,
At described mobile terminal, in non-resting state in the situation that, described transducer, according to the default cycles value setting in advance, periodically obtains described actual range.
7. mobile terminal according to claim 1, is characterized in that, described adjusting module also comprises: closing module, when judge outside described actual range is between described distance regions at described judge module, close described screen.
8. a method for adjusting visual effect of screen for mobile terminal, is characterized in that, comprising:
Obtain the screen of described mobile terminal and the actual range of objects in front;
Whether the described actual range that judgement gets operates in the distance regions of described mobile terminal the user who sets in advance;
That adjusts described screen according to judged result looks effect attribute;
Wherein, adjust comprising depending on effect attribute of described screen according to judged result:
The first upgrading step distance and the first degradation step distance of calculating the backlight illumination of described screen are:
The first upgrading step distance
The first degradation step distance
Wherein, f maxfor the maximum between described distance regions, f minfor the minimum value between described distance regions, f comfor usual distance, B sumfor the grade-adjustable number of the backlight illumination of described screen, B comfor the grade of the backlight illumination of usual screen, for downward rounding operation symbol;
When described judged result be described actual range in described distance regions in time, by the level adjustment of the backlight illumination of described screen be:
Wherein, P bfor the grade that the backlight illumination of screen will be adjusted to, P bcurfor the current grade of the backlight illumination of screen, f curfor described actual range.
9. method according to claim 8, is characterized in that, also comprises:
Accept usual effect attribute and the usual distance of looking that described user arranges maximum between described distance regions and minimum value and described user and operate described mobile terminal, wherein, the value of usual distance is positioned between described distance regions, the usual grade that comprises the backlight illumination of usual screen depending on effect attribute.
CN201010146125.7A 2010-04-12 2010-04-12 Mobile terminal and method for adjusting visual effect of screen thereof Expired - Fee Related CN101815127B (en)

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