CN105162983A - System and method for automatically adjusting backlight of mobile terminal - Google Patents
System and method for automatically adjusting backlight of mobile terminal Download PDFInfo
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- CN105162983A CN105162983A CN201510604789.6A CN201510604789A CN105162983A CN 105162983 A CN105162983 A CN 105162983A CN 201510604789 A CN201510604789 A CN 201510604789A CN 105162983 A CN105162983 A CN 105162983A
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Abstract
The invention discloses a system and a method for automatically adjusting backlight of a mobile terminal. The system for automatically adjusting the backlight of the mobile terminal comprises: a detecting unit, used for detecting a current posture of the mobile terminal; a matching unit, connected with the detecting unit and used for respectively matching the current posture of the mobile terminal with a first preset condition and a second preset condition and obtaining matching results; a first light sensing unit, used for collecting ambient light under the first preset condition; a second light sensing unit, used for collecting ambient light under the second preset condition; a control unit, respectively connected with the matching unit, the first light sensing unit and the second light sensing unit and used for controlling the first light sensing unit to collect the ambient light under the first preset condition or control the second light sensing unit to collect the ambient light under the second preset condition according to the matching results; and an adjusting unit, respectively connected with the first light sensing unit and the second light sensing unit and used for adjusting the backlight of the mobile terminal according to the collected ambient light.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly relate to a kind of system and method for automatic adjustment backlight of mobile terminal.
Background technology
Existing backlight of mobile terminal regulating system regulates backlight function effect bad, generally adopt independent light sensor or camera testing environment light, when adopting separately light sensor, because light sensor is at the mounting means of mobile terminal, result in mobile terminal under some attitudes, light sensation cannot detect ambient light intensity accurately, causes the backlight that can not regulate mobile terminal accurately; When adopting separately camera collection light, needing to open camera for a long time, consuming a large amount of electric energy, shortening the cruising time of mobile terminal.
Summary of the invention
For the problems referred to above that existing collection ambient light exists, now provide a kind of and be intended to realize low-power consumption, regulate the accurate system and method automatically regulating backlight of mobile terminal.
Concrete technical scheme is as follows:
A system for automatic adjustment backlight of mobile terminal, is applied in mobile terminal, comprises:
One detecting unit, in order to detect the current pose of described mobile terminal;
One matching unit, connect described detecting unit, there is provided one first pre-conditioned and one second pre-conditioned, described matching unit, in order to pre-conditionedly to be mated with described first pre-conditioned and described second respectively by the current pose of described mobile terminal, obtains matching result;
One first light sensation unit, in order at described first pre-conditioned lower collection ambient light;
One second light sensation unit, in order at described second pre-conditioned lower collection ambient light;
One control unit, connect described matching unit, described first light sensation unit and described second light sensation unit respectively, in order to control described first light sensation unit at described first pre-conditioned lower collection ambient light according to described matching result, or control described second light sensation unit at described second pre-conditioned lower collection ambient light;
One regulon, connects described first light sensation unit and described second light sensation unit respectively, in order to regulate the backlight of described mobile terminal according to the ambient light gathered.
Preferably, described detecting unit is in order to detect described mobile terminal under geodetic coordinates axle respectively around the angle of X-axis, Y-axis and Z axis deflection.
Preferably, described detecting unit comprises gyroscope and accelerometer.
Preferably, the described first pre-conditioned angle deflected around X-axis, Y-axis and Z axis for described mobile terminal is all less than or equal to predetermined angle.
Preferably, described second is pre-conditionedly greater than described predetermined angle for described mobile terminal around the angle that X-axis deflects, and/or
Described mobile terminal is greater than described predetermined angle around the angle that Y-axis deflects, and/or
Described mobile terminal is greater than described predetermined angle around the angle that Z axis deflects.
Preferably, the scope of described predetermined angle is between 30 ° to 45 °.
Preferably, described first light sensation unit adopts light sensor.
Preferably, described second light sensation unit adopts camera module.
A method for automatic adjustment backlight of mobile terminal, is applied in mobile terminal, comprises the steps:
S1. the current pose of mobile terminal is detected;
S2. judge whether the current pose of described mobile terminal meets first pre-conditioned, if so, perform step S3, if not, perform step S4;
S3. adopt light sensor to gather ambient light, perform step S5;
S4. adopt camera module to gather ambient light, perform step S5;
S5. the backlight of described mobile terminal is regulated according to the ambient light gathered.
Preferably, the described first pre-conditioned angle being described mobile terminal deflects around X-axis, Y-axis and Z axis respectively under geodetic coordinates axle is all less than or equal to predetermined angle.
The beneficial effect of technique scheme:
In technical scheme, the system of automatic adjustment backlight of mobile terminal is mated with pre-conditioned the current pose of mobile terminal by matching unit, ambient light is gathered to control corresponding light sensation unit, and regulated according to the backlight of the ambient light collected to mobile terminal by regulon, achieve low-power consumption, regulate accurate object.The attitude that the method for automatic adjustment backlight of mobile terminal is current according to mobile terminal selects corresponding light sensation unit to gather ambient light, to carry out corresponding backlight adjustment, can improve degree of regulation.
Accompanying drawing explanation
Fig. 1 is the module map of a kind of embodiment of the system of automatic adjustment backlight of mobile terminal of the present invention;
Fig. 2 is the method flow diagram of a kind of embodiment of the method for automatic adjustment backlight of mobile terminal of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figure 1, a kind of system of automatic adjustment backlight of mobile terminal, is applied in mobile terminal, comprises:
One detecting unit 2, in order to detect the current pose of mobile terminal;
One matching unit 5, connects detecting unit 2, provides one first pre-conditioned and one second pre-conditioned, and matching unit 5 is in order to pre-conditioned with first and second pre-conditionedly to mate, acquisition matching result respectively by the current pose of mobile terminal;
One first light sensation unit 3, in order at the first pre-conditioned lower collection ambient light;
One second light sensation unit 4, in order at the second pre-conditioned lower collection ambient light;
One control unit 6, matching connection unit 5, first light sensation unit 3 and the second light sensation unit 4 respectively, in order to control the first light sensation unit 3 according to matching result at the first pre-conditioned lower collection ambient light, or control the second light sensation unit 4 at the second pre-conditioned lower collection ambient light;
One regulon 1, connects the first light sensation unit 3 and the second light sensation unit 4 respectively, in order to regulate the backlight of mobile terminal according to the ambient light gathered.
Further, regulon 1 first can determine the progression of current mobile terminal screen backlight, and progression from low to high brightness strengthens gradually, and the progression according to the ambient light collected and screen backlight regulates mobile terminal screen backlight illumination.
In the present embodiment, the system of automatic adjustment backlight of mobile terminal is mated with pre-conditioned by the current pose of matching unit 5 pairs of mobile terminals, control corresponding light sensation unit according to matching result and gather ambient light, and regulated according to the backlight of the ambient light collected to mobile terminal by regulon 1, achieve low-power consumption, regulate accurate object.
In a preferred embodiment, detecting unit 2 is in order to detect mobile terminal under geodetic coordinates axle respectively around the angle of X-axis, Y-axis and Z axis deflection.
In the present embodiment, mobile terminal is called the angle of pitch around the angle of X-axis rotating and excursion; Mobile terminal is called yaw angle around the angle of Y-axis rotating and excursion; Mobile terminal is called roll angle around the angle of Z axis rotating and excursion.Mobile terminal current pose is obtained around the angle of X-axis, Y-axis and Z axis deflection respectively according to the mobile terminal that detecting unit 2 detects.
In a preferred embodiment, detecting unit 2 comprises gyroscope and accelerometer.
In the present embodiment, the gyroscope of employing has measures advantage accurately, feature stable when accelerometer has long in short-term, both is combined, obtain stablizing in short-term again can long time stable inclination angle.Utilize gyroscope survey interior angle change in short-term, accelerometer is measured inclination angle as obliquity sensor, and in a Long time scale, the inclination angle that accelerometer obtains slowly is mated at the inclination angle forcing gyroscope to obtain, thus obtains the angle that the current accurate attitude of mobile terminal and mobile terminal deflect around X-axis, Y-axis and Z axis.
In a preferred embodiment, the first pre-conditioned angle deflected around X-axis, Y-axis and Z axis for mobile terminal is all less than or equal to predetermined angle.
Further, the scope of predetermined angle is between 30 ° to 45 °.
In a preferred embodiment, described second is pre-conditionedly greater than described predetermined angle for described mobile terminal around the angle that X-axis deflects.
In one preferred embodiment in, described second is pre-conditionedly greater than described predetermined angle for described mobile terminal around the angle that Y-axis deflects.
In one preferred embodiment in, described second is pre-conditionedly greater than described predetermined angle for described mobile terminal around the angle that Z axis deflects.
When mobile terminal current pose meets one or more in above-mentioned three kinds of situations, control unit 6 can control the second light sensation unit 4 and gather ambient light.
In a preferred embodiment, the first light sensation unit 3 adopts light sensor.
In preferably implementing in one, light sensor is usually located at mobile terminal front-facing camera side, in order to gather the light of mobile terminal screen environment.
In a preferred embodiment, the second light sensation unit 4 adopts camera module.
In the present embodiment, the ambient light precision of camera module collection is high.
As shown in Figure 2, a kind of method of automatic adjustment backlight of mobile terminal, is applied in mobile terminal, comprises the steps:
S1. the current pose of mobile terminal is detected;
S2. judge whether the current pose of mobile terminal meets first pre-conditioned, if so, perform step S3, if not, perform step S4;
S3. adopt light sensor to gather ambient light, perform step S5;
S4. adopt camera module to gather ambient light, perform step S5;
S5. the backlight of mobile terminal is regulated according to the ambient light gathered.
In the present embodiment, automatically regulate the method for the backlight of mobile terminal attitude current according to mobile terminal to choose light sensor or camera module collection ambient light dynamically, to provide environmental light brightness information accurately, thus control the object of the brightness of backlight.
In a preferred embodiment, the described first pre-conditioned angle being described mobile terminal deflects around X-axis, Y-axis and Z axis respectively under geodetic coordinates axle is all less than or equal to predetermined angle.
Further, the scope of predetermined angle is between 30 ° to 45 °.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (10)
1. automatically regulate a system for backlight of mobile terminal, be applied in mobile terminal, it is characterized in that, comprising:
One detecting unit, in order to detect the current pose of described mobile terminal;
One matching unit, connect described detecting unit, there is provided one first pre-conditioned and one second pre-conditioned, described matching unit, in order to pre-conditionedly to be mated with described first pre-conditioned and described second respectively by the current pose of described mobile terminal, obtains matching result;
One first light sensation unit, in order at described first pre-conditioned lower collection ambient light;
One second light sensation unit, in order at described second pre-conditioned lower collection ambient light;
One control unit, connect described matching unit, described first light sensation unit and described second light sensation unit respectively, in order to control described first light sensation unit at described first pre-conditioned lower collection ambient light according to described matching result, or control described second light sensation unit at described second pre-conditioned lower collection ambient light;
One regulon, connects described first light sensation unit and described second light sensation unit respectively, in order to regulate the backlight of described mobile terminal according to the ambient light gathered.
2. the system as claimed in claim 1, is characterized in that, described detecting unit is in order to detect described mobile terminal under geodetic coordinates axle respectively around the angle of X-axis, Y-axis and Z axis deflection.
3. the system as claimed in claim 1, is characterized in that, described detecting unit comprises gyroscope and accelerometer.
4. system as claimed in claim 2, it is characterized in that, the described first pre-conditioned angle deflected around X-axis, Y-axis and Z axis for described mobile terminal is all less than or equal to predetermined angle.
5. system as claimed in claim 2, is characterized in that, described second is pre-conditionedly greater than described predetermined angle for described mobile terminal around the angle that X-axis deflects, and/or
Described mobile terminal is greater than described predetermined angle around the angle that Y-axis deflects, and/or
Described mobile terminal is greater than described predetermined angle around the angle that Z axis deflects.
6. the system as described in claim 4 or 5, is characterized in that, the scope of described predetermined angle is between 30 ° to 45 °.
7. the system as claimed in claim 1, is characterized in that, described first light sensation unit adopts light sensor.
8. the system as claimed in claim 1, is characterized in that, described second light sensation unit adopts camera module.
9. automatically regulate a method for backlight of mobile terminal, be applied in mobile terminal, it is characterized in that, comprise the steps:
S1. the current pose of mobile terminal is detected;
S2. judge whether the current pose of described mobile terminal meets first pre-conditioned, if so, perform step S3, if not, perform step S4;
S3. adopt light sensor to gather ambient light, perform step S5;
S4. adopt camera module to gather ambient light, perform step S5;
S5. the backlight of described mobile terminal is regulated according to the ambient light gathered.
10. method as claimed in claim 9, is characterized in that, the described first pre-conditioned angle being described mobile terminal deflects around X-axis, Y-axis and Z axis respectively under geodetic coordinates axle is all less than or equal to predetermined angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604789.6A CN105162983A (en) | 2015-09-21 | 2015-09-21 | System and method for automatically adjusting backlight of mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604789.6A CN105162983A (en) | 2015-09-21 | 2015-09-21 | System and method for automatically adjusting backlight of mobile terminal |
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| CN105162983A true CN105162983A (en) | 2015-12-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170414A (en) * | 2017-06-08 | 2017-09-15 | 北京小米移动软件有限公司 | The adjusting method and device of display backlight brightness |
| CN113259506A (en) * | 2020-02-10 | 2021-08-13 | 北京小米移动软件有限公司 | Electronic equipment, light sensing control method and device |
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| CN103037088A (en) * | 2012-12-11 | 2013-04-10 | 惠州Tcl移动通信有限公司 | Method and mobile terminal for screen backlight adjusting |
| CN103412639A (en) * | 2012-03-02 | 2013-11-27 | 微软公司 | Sensor fusion algorithm |
| CN104125344A (en) * | 2014-08-11 | 2014-10-29 | 深圳市中兴移动通信有限公司 | Prompting method and prompting system |
| WO2015038407A1 (en) * | 2013-09-10 | 2015-03-19 | Microsoft Corporation | Ambient light context-aware display |
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2015
- 2015-09-21 CN CN201510604789.6A patent/CN105162983A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412639A (en) * | 2012-03-02 | 2013-11-27 | 微软公司 | Sensor fusion algorithm |
| CN103037088A (en) * | 2012-12-11 | 2013-04-10 | 惠州Tcl移动通信有限公司 | Method and mobile terminal for screen backlight adjusting |
| WO2015038407A1 (en) * | 2013-09-10 | 2015-03-19 | Microsoft Corporation | Ambient light context-aware display |
| CN104125344A (en) * | 2014-08-11 | 2014-10-29 | 深圳市中兴移动通信有限公司 | Prompting method and prompting system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107170414A (en) * | 2017-06-08 | 2017-09-15 | 北京小米移动软件有限公司 | The adjusting method and device of display backlight brightness |
| CN113259506A (en) * | 2020-02-10 | 2021-08-13 | 北京小米移动软件有限公司 | Electronic equipment, light sensing control method and device |
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Application publication date: 20151216 |