CN104394278A - Method, device and mobile terminal for regulating screen brightness - Google Patents
Method, device and mobile terminal for regulating screen brightness Download PDFInfo
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- CN104394278A CN104394278A CN201410714757.7A CN201410714757A CN104394278A CN 104394278 A CN104394278 A CN 104394278A CN 201410714757 A CN201410714757 A CN 201410714757A CN 104394278 A CN104394278 A CN 104394278A
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Abstract
The invention is applicable to the technical field of communication and provides a method, a device and a mobile terminal for regulating screen brightness. The method comprises the following steps: determining changing speed of an illumination strength value of environmental light; determining a screen brightness value according to the changing speed of the illumination strength value of the environmental light, and regulating the screen brightness according to the screen brightness value. According to the method disclosed by the invention, the changing speed of the illumination strength value of the environmental light is determined firstly, then the screen brightness value is determined according to the changing speed of the illumination strength value of the environmental light, and finally the screen brightness is regulated according to the screen brightness value so that the screen brightness value can be set according to the changing speed of the illumination strength value. The method disclosed by the invention solves the problem that eye health is affected by fatigue of eyes of a user after the user uses the mobile terminal for a long time in a scene that the illumination strength value has tremendous changes, so that the aims of reducing eye fatigue of the user and protecting the eye health of the user can be realized.
Description
Technical field
The invention belongs to communication technical field, particularly relate to a kind of method, device and the mobile terminal that adjust screen intensity.
Background technology
Along with the develop rapidly of mobile Internet, mobile terminal is also in the development of diversification, as the main carriers-mobile terminal of mobile Internet, in our life, play more and more important role, we can by mobile terminal Internet access, photos and sending messages, make a phone call, play games, do shopping etc., mobile terminal replaces the effect of computer in some aspects gradually.
But realizing in process of the present invention, inventor finds mobile terminal that prior art provides, and at least there are the following problems:
Mobile terminal is with too and is served healthy hidden danger while offering convenience to us.Such as, a lot of mobile phone users is Long-Time Service mobile terminal under the scene of the illumination intensity value generation acute variation of light, thus allows eyes easily experience fatigue, and then has influence on the health of eyes.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method, device and the mobile terminal that adjust screen intensity, to solve the mobile terminal that prior art provides, under the scene of the illumination intensity value generation acute variation of light, user's Long-Time Service mobile terminal causes the problem having influence on eye health.
First aspect, provides a kind of method adjusting screen intensity, comprising:
Determine the pace of change of the illumination intensity value of surround lighting;
According to the pace of change determination screen brightness value of the illumination intensity value of described surround lighting;
According to described screen brightness value adjustment screen intensity.
In conjunction with first aspect, in the implementation that the first is possible, the pace of change determination screen brightness value of the described illumination intensity value according to described surround lighting, comprising:
If the pace of change of the illumination intensity value of described surround lighting is greater than pace of change threshold value, then described screen brightness value is defined as the first value.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, the pace of change of the described illumination intensity value according to described surround lighting, determine screen brightness value, comprising:
If the pace of change of the illumination intensity value of described surround lighting is less than or equal to pace of change threshold value, then determine described screen brightness value according to the current light intensity level of described surround lighting and according to the corresponding relation between the illumination intensity value preset and screen brightness value.
In conjunction with the implementation that the first or the second of first aspect are possible, in the implementation that the third is possible, described according to described screen brightness value adjustment screen intensity, comprising:
Regulate the speed according to the brightness value preset, described screen intensity is adjusted to described screen brightness value.
In conjunction with first aspect, in conjunction with the first or the second or the third possible implementation of first aspect, in the 4th kind of possible implementation, the described pace of change determining the illumination intensity value of surround lighting, comprising:
Periodically determine the pace of change of the illumination intensity value of described surround lighting.
In conjunction with first aspect, in conjunction with the first or the second of first aspect or the third or the 4th kind of possible implementation, in the 5th kind of possible implementation, the described pace of change determining the illumination intensity value of surround lighting, comprising:
By obtaining the pace of change of the illumination intensity value of the variable quantity determination surround lighting of twice magnitude of voltage that light sensor exports in preset time range.
Second aspect, provides a kind of device adjusting screen intensity, comprising:
Illumination intensity value determining unit, for determining the pace of change of the illumination intensity value of surround lighting;
Screen brightness value determining unit, for the pace of change determination screen brightness value of the illumination intensity value according to described surround lighting;
Screen intensity adjustment unit, for adjusting screen intensity according to described screen brightness value.
In conjunction with second aspect, in the implementation that the first is possible, described screen brightness value determining unit, comprising:
First screen brightness value determination module, if determine that the pace of change of the illumination intensity value of described surround lighting is greater than pace of change threshold value for described illumination intensity value determining unit, is then defined as the first value by described screen brightness value.
In conjunction with second aspect, in conjunction with the first possible implementation of second aspect, in the implementation that the second is possible, described screen brightness value determining unit, also comprises:
Second screen brightness value determination module, if determine that the pace of change of the illumination intensity value of described surround lighting is less than or equal to pace of change threshold value for described illumination intensity value determining unit, then the current light intensity level of the surround lighting determined according to described illumination intensity value determining unit and determine described screen brightness value according to the corresponding relation between the illumination intensity value preset and screen brightness value.
In conjunction with the implementation that the first or the second of second aspect are possible, in the implementation that the third is possible, described according to described screen brightness value adjustment screen intensity, comprising:
Regulate the speed according to the brightness value preset, described screen intensity is adjusted to described screen brightness value.
In conjunction with second aspect, in conjunction with the first or the second or the third possible implementation of second aspect, in the 4th kind of possible implementation, described illumination intensity value determining unit periodically determines the pace of change of the illumination intensity value of described surround lighting.
In conjunction with second aspect, in conjunction with the first or the second of second aspect or the third or the 4th kind of possible implementation, in the 5th kind of possible implementation, described illumination intensity value determining unit determines the pace of change of the illumination intensity value of described surround lighting by the variable quantity obtaining twice magnitude of voltage that light sensor exports in preset time range.
The third aspect, provides a kind of mobile terminal, and described mobile terminal comprises the device of the adjustment screen intensity as described in second aspect.
In conjunction with the third aspect, described mobile terminal is smart mobile phone or panel computer.
In the embodiment of the present invention, determine the pace of change of the illumination intensity value of surround lighting, and the pace of change of the environmentally illumination intensity value of light, determine screen brightness value, thus according to the screen brightness value adjustment screen intensity determined, thus screen brightness value can be set according to the pace of change of illumination intensity value, overcome under the scene of illumination intensity value generation acute variation, user's Long-Time Service mobile terminal, causes eyes of user tired, thus affects the problem of eye health.
Accompanying drawing explanation
Fig. 1 is the realization flow figure that the present invention adjusts the embodiment of the method for screen intensity;
Fig. 2 is that the present invention adjusts in the embodiment of the method for screen intensity, the realization flow figure when the pace of change of the illumination intensity value of surround lighting is greater than default pace of change threshold value;
Fig. 3 is the structured flowchart that the present invention adjusts the device embodiment of screen intensity;
Fig. 4 is the structured flowchart of mobile terminal embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, first determine the pace of change of the illumination intensity value of surround lighting, then the pace of change determination screen brightness value of illumination intensity value according to described surround lighting, finally according to described screen brightness value adjustment screen intensity.
Below in conjunction with specific embodiment, realization of the present invention is described in detail:
Embodiment one
Fig. 1 shows the realization flow of the method for the adjustment screen intensity that the embodiment of the present invention one provides, and details are as follows:
In step S101, determine the pace of change of the illumination intensity value of surround lighting.
In embodiments of the present invention, by the illumination intensity value of light sensor determination surround lighting.
Mobile terminal is provided with light sensor, can the intensity of illumination of ambient light in real time by this light sensor.Wherein, intensity of illumination refers to the power of illumination, with in unit are accept visible ray energy measure, be called for short illumination.
Concrete, light sensor can adopt advanced photoelectric conversion module, illumination intensity value is converted into magnitude of voltage, this magnitude of voltage and illumination intensity value one_to_one corresponding, the size of this magnitude of voltage can reflect that the size of illumination intensity value, the pace of change of this magnitude of voltage can reflect the pace of change of illumination intensity value.
In step s 102, according to the pace of change determination screen brightness value of the illumination intensity value of described surround lighting.
In embodiments of the present invention; the one-to-one relationship between illumination intensity value and screen brightness value can be pre-set; the corresponding screen brightness value of each illumination intensity value; when screen brightness value being adjusted to the screen brightness value corresponding with illuminance intensity; the eyes of user are not easy fatigue, thus protection eye health.
When specifically arranging, when the current light intensity level of surround lighting is larger, it is larger that screen brightness value is set, when the current light intensity level of surround lighting is smaller, it is smaller that screen brightness value is set, during practical application, can rule of thumb pre-set.
But; when the pace of change of the illumination intensity value of surround lighting is greater than pace of change threshold value; represent that the illumination intensity value change of surround lighting is than very fast; the illumination intensity value change of surround lighting is comparatively violent; at this moment, still environmentally the size of the illumination intensity value of light adjusts screen intensity, then there will be the shake of screen intensity; be unfavorable for protecting eyes, and the problem that the useful life of screen can shorten.
In order to solve the problem, preferably, in the embodiment of the present invention, the speed of the environmentally pace of change of the illumination intensity value of light can adjust screen intensity.
Concrete, first determine whether the pace of change of the illumination intensity value of surround lighting is greater than pace of change threshold value, when the pace of change of the illumination intensity value of surround lighting is greater than pace of change threshold value, perform following steps, as shown in Figure 2:
Step 1, described screen brightness value is defined as the first value.
Mobile terminal can generate the instruction that upgrades screen intensity, screen brightness value is defined as the first value.Wherein, the first value is that a user feels pleasant screen brightness value.
Preferably, described first value is 0.
At this moment, mobile terminal generates one and puts out screen order, and the LCD backlight of screen responds this and puts out screen order, is put out screen order and is controlled screen by this and put out screen.
When the illumination intensity value generation acute variation of surround lighting, control screen and put out screen, better can protect the eyes of user.
Step 2, redefine the pace of change of the illumination intensity value of surround lighting.
If the pace of change of the illumination intensity value of the surround lighting redefined described in step 3 is less than or equal to pace of change threshold value, then the current light intensity level of surround lighting redefined described in basis and the corresponding relation determination screen brightness value between default illumination intensity value and screen brightness value.
Detailed process is: mobile terminal adjustment screen brightness value is after the first value, light sensor continues the current light degree intensity of ambient light, when the pace of change of twice magnitude of voltage that mobile terminal exports in preset time range according to light sensor is less than or equal to pace of change threshold value, judge that the change of the illumination intensity value of surround lighting tends towards stability, no longer acute variation, at this moment the current light intensity level of mobile terminal records surround lighting, and generate control command, the LCD backlight of screen responds this control command, by this control command, screen intensity is slowly returned to the screen brightness value corresponding with the illumination intensity value of recorded surround lighting.
In addition, mobile terminal period determines the pace of change of the illumination intensity value of described surround lighting.
After adjusting screen brightness value, light sensor also needs the pace of change of the illumination intensity value continuing ambient light, and the pace of change according to illumination intensity value controls screen intensity.
Concrete, when the pace of change of the illumination intensity value of surround lighting is less than or equal to pace of change threshold value, then according to the current light intensity level of described surround lighting and the corresponding relation determination screen brightness value between default illumination intensity value and screen brightness value.
Concrete, by obtaining the pace of change of the illumination intensity value of the variable quantity determination surround lighting of twice magnitude of voltage that light sensor exports in preset time range, when the illumination intensity value change of surround lighting is comparatively violent, the magnitude of voltage that light sensor exports can saltus step rapidly, and in preset time range, the variable quantity of twice magnitude of voltage that light sensor exports can be very large.
In step s 103, according to described screen brightness value adjustment screen intensity.
In embodiments of the present invention, mobile terminal is regulated the speed according to the brightness value preset, and described screen intensity is adjusted to described screen brightness value.
Concrete, mobile terminal can generate control command, and the LCD backlight of screen responds this control command, and screen intensity being regulated the speed according to the brightness value preset by this control command is adjusted to described screen brightness value.
The present embodiment, determine the pace of change of the illumination intensity value of surround lighting, and the pace of change of the environmentally illumination intensity value of light, determine screen brightness value, thus according to the screen brightness value adjustment screen intensity determined, thus screen brightness value can be set according to the pace of change of illumination intensity value, overcome under the scene of illumination intensity value generation acute variation, user's Long-Time Service mobile terminal, causes eyes of user tired, thus affects the problem of eye health.
In addition, the change of the magnitude of voltage exported by light sensor, whether the care intensity level of real-time judge surround lighting there is acute variation, when there is acute variation, first controlling screen and putting out screen, more effectively protecting the eyes of user.
Should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process does not also mean that the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
One of ordinary skill in the art will appreciate that all or part of step realized in the various embodiments described above method is that the hardware that can carry out instruction relevant by program has come, corresponding program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk or CD etc.
Embodiment two
Fig. 3 shows the concrete structure block diagram of the device of the adjustment screen intensity that the embodiment of the present invention two provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.The device 3 of this adjustment screen intensity can be the unit of the software unit be built in mobile terminal, hardware cell or software and hardware combining, and the device 3 of this adjustment screen intensity comprises: illumination intensity value determining unit 31, screen brightness value determining unit 32 and screen intensity adjustment unit 33.
Wherein, illumination intensity value determining unit 31, for determining the pace of change of the illumination intensity value of surround lighting;
Screen brightness value determining unit 32, for the pace of change determination screen brightness value of the illumination intensity value according to described surround lighting;
Screen intensity adjustment unit 33, for adjusting screen intensity according to described screen brightness value.
Concrete, described screen brightness value determining unit 32, comprising: the first screen brightness value determination module.
Wherein,
First screen brightness value determination module 322, if determine that the pace of change of the illumination intensity value of described surround lighting is greater than pace of change threshold value for described illumination intensity value determining unit 32, is then defined as the first value by described screen brightness value.
Concrete, described screen brightness value determining unit 32, also comprises:
Second screen brightness value determination module, if determine for illumination intensity value determining unit 32, the pace of change of the illumination intensity value of described surround lighting is less than or equal to pace of change threshold value, then the current light intensity level of surround lighting determined according to described illumination intensity value determining unit 32 and the corresponding relation between default illumination intensity value and screen brightness value determine described screen brightness value.
Concrete, described illumination intensity value determining unit 31 periodically determines the pace of change of the illumination intensity value of described surround lighting.
Concrete, described illumination intensity value determining unit 31 determines the pace of change of the illumination intensity value of described surround lighting by the variable quantity obtaining twice magnitude of voltage that light sensor exports in preset time range.
Concrete, described screen intensity adjustment unit 33 is regulated the speed according to the brightness value preset, and described screen intensity is adjusted to described screen brightness value.
The device of the adjustment screen intensity that the embodiment of the present invention provides can be applied in the embodiment of the method one of aforementioned correspondence, and details, see the description of above-described embodiment one, do not repeat them here.
Embodiment three
Fig. 4 shows the concrete structure block diagram of the mobile terminal that the embodiment of the present invention three provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.This mobile terminal 4 of this mobile terminal 4 can be smart mobile phone or panel computer, comprise the device 3 of the adjustment screen intensity described in embodiment three kinds, the device 3 of this adjustment screen intensity comprises: illumination intensity value determining unit 31, screen brightness value determining unit 32 and screen intensity adjustment unit 33.
Wherein, illumination intensity value determining unit 31, for determining the pace of change of the illumination intensity value of surround lighting;
Screen brightness value determining unit 32, for the pace of change determination screen brightness value of the illumination intensity value according to described surround lighting;
Screen intensity adjustment unit 33, for adjusting screen intensity according to described screen brightness value.
Concrete, described screen brightness value determining unit 32, comprising: the first screen brightness value determination module.
Wherein,
First screen brightness value determination module, if determine that the pace of change of the illumination intensity value of described surround lighting is greater than pace of change threshold value for described illumination intensity value determining unit 32, is then defined as the first value by described screen brightness value.
Concrete, described screen brightness value determining unit 32, also comprises:
Second screen brightness value determination module, if determine for illumination intensity value determining unit 32, the pace of change of the illumination intensity value of described surround lighting is less than or equal to pace of change threshold value, then the current light intensity level of surround lighting determined according to described illumination intensity value determining unit 32 and the corresponding relation between default illumination intensity value and screen brightness value determine described screen brightness value.
Concrete, described illumination intensity value determining unit 31 periodically determines the pace of change of the illumination intensity value of described surround lighting.
Concrete, described illumination intensity value determining unit 31 determines the pace of change of the illumination intensity value of described surround lighting by the variable quantity obtaining twice magnitude of voltage that light sensor exports in preset time range.
Concrete, described screen intensity adjustment unit 33 is regulated the speed according to the brightness value preset, and described screen intensity is adjusted to described screen brightness value.
The mobile terminal that the embodiment of the present invention provides can be applied in the embodiment of the method one of aforementioned correspondence, and details, see the description of above-described embodiment one, do not repeat them here.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (14)
1. adjust a method for screen intensity, it is characterized in that, comprising:
Determine the pace of change of the illumination intensity value of surround lighting;
According to the pace of change of the illumination intensity value of described surround lighting, determine screen brightness value;
According to described screen brightness value adjustment screen intensity.
2. the method for claim 1, is characterized in that, the pace of change of the described illumination intensity value according to described surround lighting, determines screen brightness value, comprising:
If the pace of change of the illumination intensity value of described surround lighting is greater than pace of change threshold value, described screen brightness value is defined as the first value.
3. method as claimed in claim 1 or 2, is characterized in that the pace of change of the described illumination intensity value according to described surround lighting is determined screen brightness value, being comprised:
If the pace of change of the illumination intensity value of described surround lighting is less than or equal to pace of change threshold value, then determine described screen brightness value according to the current light intensity level of described surround lighting and according to the corresponding relation between the illumination intensity value preset and screen brightness value.
4. method as claimed in claim 2 or claim 3, is characterized in that, described according to described screen brightness value adjustment screen intensity, comprising:
Regulate the speed according to the brightness value preset, described screen intensity is adjusted to described screen brightness value.
5. the method according to any one of Claims 1-4, the described pace of change determining the illumination intensity value of surround lighting, comprising:
Periodically determine the pace of change of the illumination intensity value of described surround lighting.
6. the method according to any one of claim 1 to 5, is characterized in that, the described pace of change determining the illumination intensity value of surround lighting, comprising:
The pace of change of the illumination intensity value of described surround lighting is determined by the variable quantity obtaining twice magnitude of voltage that light sensor exports in preset time range.
7. adjust a device for screen intensity, it is characterized in that, comprising:
Illumination intensity value determining unit, for determining the pace of change of the illumination intensity value of surround lighting;
Screen brightness value determining unit, for the pace of change determination screen brightness value of the illumination intensity value according to described surround lighting;
Screen intensity adjustment unit, for adjusting screen intensity according to described screen brightness value.
8. device as claimed in claim 7, it is characterized in that, described screen brightness value determining unit, comprising:
First screen brightness value determination module, if determine that the pace of change of the illumination intensity value of described surround lighting is greater than pace of change threshold value for described illumination intensity value determining unit, is then defined as the first value by described screen brightness value.
9. device as claimed in claim 7 or 8, it is characterized in that, described screen brightness value determining unit, also comprises:
Second screen brightness value determination module, if determine that the pace of change of the illumination intensity value of described surround lighting is less than or equal to pace of change threshold value for described illumination intensity value determining unit, then the illumination intensity value of the surround lighting determined according to described illumination intensity value determining unit and determine described screen brightness value according to the corresponding relation between the illumination intensity value preset and screen brightness value.
10. device as claimed in claim 8 or 9, is characterized in that, described screen intensity adjustment unit is regulated the speed according to the brightness value preset, and described screen intensity is adjusted to described screen brightness value.
11. devices as described in any one of claim 7 to 10, is characterized in that, described illumination intensity value determining unit periodically determines the pace of change of the illumination intensity value of described surround lighting.
12. devices as described in any one of claim 7 to 11, it is characterized in that, described illumination intensity value value determining unit determines the pace of change of the illumination intensity value of described surround lighting by the variable quantity obtaining twice magnitude of voltage that light sensor exports in preset time range.
13. 1 kinds of mobile terminals, is characterized in that, described mobile terminal comprises the device of the adjustment screen intensity as described in any one of claim 7 to 12.
14. mobile terminals as claimed in claim 13, it is characterized in that, described mobile terminal is smart mobile phone or panel computer.
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