CN105405429A - Mobile terminal, ambient light dynamic induction control method, ambient light dynamic induction control system - Google Patents
Mobile terminal, ambient light dynamic induction control method, ambient light dynamic induction control system Download PDFInfo
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- CN105405429A CN105405429A CN201510912788.8A CN201510912788A CN105405429A CN 105405429 A CN105405429 A CN 105405429A CN 201510912788 A CN201510912788 A CN 201510912788A CN 105405429 A CN105405429 A CN 105405429A
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Abstract
The invention discloses a mobile terminal, an ambient light dynamic induction control method, and an ambient light dynamic induction control system. By detecting the change of the brightness of the ambient light, the frequency of acquiring the brightness of the ambient light can be increased, when the variable of the brightness of the ambient light exceeds the first predetermined range, and the corresponding voltage signal can be output according to the acquired brightness of the ambient light, and then the mean value of the voltage signals corresponding to the brightness of the ambient light acquired in different frequencies can be calculated, and the brightness of the backlight display module can be adjusted according to the mean value, and therefore the brightness of the backlight display module can be stably changed along with the change of the brightness of the ambient light. The brightness of the backlight display module can be adjusted by adopting the mean value, the unstable brightness of the backlight display module caused by the jump of the ambient light can be effectively prevented, and therefore the change of the ambient light can be detected dynamically, and the brightness of the backlight display module can be stably and gradually adjusted according to the change of the ambient light.
Description
Technical field
The present invention relates to moving communicating field, particularly a kind of mobile terminal and the dynamic induction control method of surround lighting, system.
Background technology
Existing mobile terminal, normally environmentally the change of light regulates the brightness of display backlight.But surround lighting is when instantaneous variation (environmental light brightness sudden change), and the display backlight brightness of mobile terminal also can instantaneous variation.When surround lighting is unstable within a period of time, that is, surround lighting repeatedly change and amplitude is larger time, display backlight brightness can follow surround lighting to change, and causes display screen to glimmer, and affects the normal use of user.
Therefore, existing technology need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of mobile terminal and the dynamic induction control method of surround lighting, system, when can effectively avoid environmental light brightness to suddenly change, the situation of the brightness instability of backlight display module.
In order to achieve the above object, this invention takes following technical scheme:
The dynamic induction control method of surround lighting of mobile terminal, described method comprises step:
The change of A, testing environment luminance brightness;
B, when the changing value of environmental light brightness is in the first preset range, surround lighting acquisition control module gathers the brightness of surround lighting by preset frequency; When the changing value of environmental light brightness is more than the first preset range, surround lighting acquisition control module improves the frequency gathering environmental light brightness;
The environmentally brightness of surround lighting that gathers of light collection control module of C, surround lighting illuminant module, exports corresponding voltage signal;
The mean value of D, the computing module voltage signal that the environmental light brightness that gathers at different frequencies of computing environment light collection control module is corresponding respectively;
E, power management module regulate the brightness of backlight display module according to described mean value.
In the dynamic induction control method of surround lighting of described mobile terminal, described steps A specifically comprises:
A1, the photo-resistor unit that an impedance changes with the change of environmental light brightness is set;
A2, impedance detection unit detect the impedance of photo-resistor unit, when the changing value of the impedance of photo-resistor unit is in the second preset range, export the first detection signal to surround lighting acquisition control module; When the changing value of the impedance of photo-resistor unit is more than the second preset range, export the second detection signal to surround lighting acquisition control module.
In the dynamic induction control method of surround lighting of described mobile terminal, described step B specifically comprises:
When the processing unit of B1, surround lighting acquisition control module receives described first detection signal, the time clock generating unit of the light collection that controls environment control module produces the clock pulse signal of preset frequency; When described processing unit receives described second detection signal, control the frequency that described time clock generating unit improves clock pulse signal generation;
The environmental light brightness collecting unit of B2, surround lighting acquisition control module, by the frequency of the clock pulse signal of described time clock generating unit generation, gathers the brightness of surround lighting.
In the dynamic induction control method of surround lighting of described mobile terminal, described step B1 specifically comprises: when described processing unit receives described first detection signal, time clock generating unit is made to produce the clock pulse signal of preset frequency, and the first metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the first metal-oxide-semiconductor unit; When described processing unit receives described second detection signal, control the frequency that time clock generating unit improves clock pulse signal generation, and the second metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the second metal-oxide-semiconductor unit.
In the dynamic induction control method of surround lighting of described mobile terminal, described step D specifically comprises:
Voltage signal corresponding to the environmental light brightness that the accumulator element of D1, computing module gathers at different frequencies to surround lighting acquisition control module respectively adds up;
The average calculation unit of D2, computing module is averaged to cumulative voltage signal.
The dynamic induction control system of surround lighting of mobile terminal, comprising:
Detection module, for the change of testing environment luminance brightness;
Surround lighting acquisition control module, for when the changing value of environmental light brightness is in the first preset range, gathers environmental light brightness by preset frequency; When the changing value of environmental light brightness is more than the first preset range, improve the frequency gathering environmental light brightness;
Surround lighting illuminant module, for the brightness of the surround lighting of environmentally light collection control module collection, exports corresponding voltage signal;
Computing module, the mean value of the voltage signal that the environmental light brightness gathered at different frequencies for computing environment light collection control module is respectively corresponding;
Power management module, for regulating the brightness of backlight display module according to described mean value, changes with the change of environmental light brightness with making the brightness stability of backlight display module.
In the dynamic induction control system of surround lighting of described mobile terminal, described detection module comprises:
The photo-resistor unit that impedance changes with the change of environmental light brightness;
Impedance detection unit, for detecting the impedance of photo-resistor unit, when the changing value of the impedance of photo-resistor unit is in the second preset range, exports the first detection signal to surround lighting acquisition control module; When the changing value of the impedance of photo-resistor unit is more than the second preset range, export the second detection signal to surround lighting acquisition control module.
In the dynamic induction control system of surround lighting of described mobile terminal, described surround lighting acquisition control module comprises:
Processing unit, for when receiving described first detection signal, controls the clock pulse signal that time clock generating unit produces preset frequency; When receiving described second detection signal, control the frequency that described time clock generating unit improves clock pulse signal generation;
Time clock generating unit, for generation of clock pulse signal;
Environmental light brightness collecting unit, for the frequency of the clock pulse signal by described time clock generating unit generation, gathers the brightness of surround lighting.
In the dynamic induction control system of surround lighting of described mobile terminal, described processing unit specifically for: when receiving described first detection signal, time clock generating unit is made to produce the clock pulse signal of preset frequency, and the first metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the first metal-oxide-semiconductor unit; When receiving described second detection signal, control the frequency that time clock generating unit improves clock pulse signal generation, and the second metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the second metal-oxide-semiconductor unit.
A kind of mobile terminal, comprises the dynamic induction control system of surround lighting of mobile terminal as above.
Compared to prior art, a kind of mobile terminal provided by the invention and the dynamic induction control method of surround lighting thereof, system, by the change of testing environment luminance brightness, when the changing value of environmental light brightness is more than the first preset range, improve the frequency gathering environmental light brightness, and export corresponding voltage signal according to the brightness of the surround lighting gathered, calculate the mean value of voltage signal corresponding to the environmental light brightness that gathers at different frequencies respectively, the brightness of backlight display module is regulated according to described mean value, change with the change of environmental light brightness with making the brightness stability of backlight display module.Due to the brightness adopting described mean value to regulate backlight display module, effectively avoid the situation of the brightness instability of the backlight display module that surround lighting saltus step causes, can not only the change of ambient light dynamically, and the change of the environmentally light making the brightness stability of backlight display module mild adjusts.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the dynamic induction control method of surround lighting of mobile terminal provided by the invention.
Fig. 2 is the structured flowchart of the dynamic induction control system of surround lighting of mobile terminal provided by the invention.
Embodiment
The invention provides a kind of mobile terminal and the dynamic induction control method of surround lighting, system.For making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, the invention provides a kind of dynamic induction control method of surround lighting of mobile terminal, described method comprises the steps:
The change of S10, testing environment luminance brightness; Concrete, the change of real-time testing environment luminance brightness.In other words, arrange a detection module in the terminal, described detection module is used for the brightness of ambient light.
Described mobile terminal, comprises the electronic product that intelligent mobile terminal (as smart mobile phone, intelligent watch, Intelligent bracelet etc.) and panel computer etc. have backlight.
S20, when the changing value of environmental light brightness is in the first preset range, surround lighting acquisition control module gathers the brightness of surround lighting by preset frequency f; When the changing value of environmental light brightness is more than the first preset range, surround lighting acquisition control module improves the frequency gathering environmental light brightness.If the changing value of environmental light brightness exceeds the first preset range, illustrate that surround lighting there occurs sudden change, in the present embodiment, surround lighting acquisition control module improves the frequency gathering environmental light brightness, specifically the frequency gathering environmental light brightness is doubled, that is, bring up to twice preset frequency.Described preset frequency f can according to circumstances be arranged, and preferably, is 500, that is, when the changing value of environmental light brightness is in the first preset range, the every 2us of surround lighting acquisition control module gathers the brightness of a surround lighting.
Described first preset range can be arranged as required, preferably, the interval between brightness the darkest for surround lighting to the brightest brightness is divided into some sub-ranges, and described sub-range is exactly the first preset range.The division in sub-range (the first preset range) can need to arrange according to the brightness of actual environment light or user.In the present embodiment, the interval between brightness that surround lighting is the darkest to the brightest brightness is represented with [0-255], this interval is divided into 4 sub-ranges: [0-50), [50-100), [100-150), [150-255], two end points in each sub-range are two critical values.
The environmentally brightness of surround lighting that gathers of light collection control module of S30, surround lighting illuminant module, exports corresponding voltage signal.When surround lighting acquisition control module gathers the brightness of surround lighting by preset frequency f, when surround lighting acquisition control module gathers 1 secondary environment luminance brightness, then surround lighting illuminant module exports a corresponding voltage signal V1; When surround lighting acquisition control module gathers the brightness of the 2nd secondary environment light, then surround lighting illuminant module correspondence exports second voltage signal V2; When surround lighting acquisition control module gathers the n-th secondary environment luminance brightness, then surround lighting illuminant module correspondence exports the n-th voltage signal Vn.Surround lighting acquisition control module improves when gathering the frequency of environmental light brightness, and when surround lighting acquisition control module gathers 1 secondary environment luminance brightness, then surround lighting illuminant module exports a corresponding voltage signal V1 '; When surround lighting acquisition control module gathers the brightness of the 2nd secondary environment light, then surround lighting illuminant module correspondence exports second voltage signal V2 '; When surround lighting acquisition control module gathers the n-th secondary environment luminance brightness, then surround lighting illuminant module correspondence exports the n-th voltage signal Vn '.
The mean value Va of S40, the computing module voltage signal that the environmental light brightness that gathers at different frequencies of computing environment light collection control module is corresponding respectively.That is, computing module calculates the mean value Va=(V1+V2+ of voltage signal under preset frequency f ... + Vn)/n.Computing module calculate the mean value Va ' of voltage signal after improve frequency acquisition=(V1 '+V2 '+... + Vn ')/n.
S50, power management module regulate the brightness of backlight display module according to described mean value, change with making the brightness stability of backlight display module with the change of environmental light brightness.
Compare and prior art, power management module of the present invention regulates the brightness of backlight display module according to described mean value, even if surround lighting at short notice brightness changes greatly, due to the change adopting the mean value of the voltage signal corresponding with environmental light brightness to react certain hour section environment light, making power management module when regulating the brightness of backlight display module, there will not be flickering situation.The dynamic induction control method of surround lighting of mobile terminal provided by the invention, can not only the change of ambient light dynamically, and the change of the environmentally light making the brightness stability of backlight display module mild adjusts.
Further, described detection module comprises photo-resistor unit and impedance detection unit, and described step S10 specifically comprises:
S110, the photo-resistor unit that an impedance changes with the change of environmental light brightness is set.Described environmental light brightness is corresponding with the impedance of photo-resistor unit.The change of following environmental light brightness that the impedance of described photo-resistor unit is real-time and changing, effectively raises the accuracy detected surround lighting.Further, described photo-resistor unit comprises photoresistance.
S120, impedance detection unit detect the impedance of photo-resistor unit, when the changing value of the impedance of photo-resistor unit is in the second preset range, export the first detection signal to surround lighting acquisition control module; When the changing value of the impedance of photo-resistor unit is more than the second preset range, export the second detection signal to surround lighting acquisition control module.By detecting the changing value of the impedance of photo-resistor unit, can judge whether environmental light brightness suddenlys change, thus provide foundation for follow-up raising frequency acquisition.
Described second preset range is corresponding with the first preset range, that is, when the changing value of environmental light brightness is in the first preset range, the changing value of the impedance of photo-resistor unit is in the second preset range; When the changing value of environmental light brightness is more than the first preset range, the changing value of the impedance of photo-resistor unit is more than the second preset range.Thus, the present invention carrys out the change of testing environment luminance brightness with the change of the impedance of photo-resistor unit, very convenient and accurate.
Further, described step S20 specifically comprises:
When the processing unit of S210, surround lighting acquisition control module receives described first detection signal, the time clock generating unit of the light collection that controls environment control module produces the clock pulse signal of preset frequency f; When described processing unit receives described second detection signal, control the frequency that described time clock generating unit improves clock pulse signal generation.
Concrete, when described processing unit receives described first detection signal, time clock generating unit is made to produce the clock pulse signal of preset frequency, and the first metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the first metal-oxide-semiconductor unit; When described processing unit receives described second detection signal, control the frequency that time clock generating unit improves clock pulse signal generation, and the second metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the second metal-oxide-semiconductor unit.Arrange two metal-oxide-semiconductor unit, thus make time clock generating unit can export corresponding clock pulse signal according to the control of processing unit, control mode is simple, and components and parts are few, reduce cost.In the present embodiment, described first metal-oxide-semiconductor unit and the second metal-oxide-semiconductor unit include PMOS.Described first detection signal and the second detection signal are two identical or different low level clock control signals.
The environmental light brightness collecting unit of S220, surround lighting acquisition control module, by the frequency of the clock pulse signal of described time clock generating unit generation, gathers the brightness of surround lighting.That is, in the present embodiment, if the every 2us of time clock generating unit produces output 1 clock pulse signal, then surround lighting acquisition control module detection of dynamic environmental light brightness under metastable surround lighting is described; If the every 1us of time clock generating unit produces output 1 clock pulse signal, then surround lighting acquisition control module (surround lighting saltus step) detection of dynamic environmental light brightness under the surround lighting of instability is described.
It can thus be appreciated that described processing unit only need control the frequency that described time clock generating unit produces time clock, and the luminance brightness collecting unit that can indirectly control environment gathers the frequency of the brightness of surround lighting, simple and practical.
Further, described step S40 specifically comprises:
Voltage signal corresponding to the environmental light brightness that the accumulator element of S410, computing module gathers at different frequencies to surround lighting acquisition control module respectively adds up.
The average calculation unit of S420, computing module is averaged to cumulative voltage signal.Concrete, the voltage signal of average calculation unit to cumulative predetermined quantity n of computing module is averaged.
Described predetermined quantity n is positive integer, by arranging different predetermined quantity n to control the sensitivity of the brightness of backlight display module.Preferably, described predetermined quantity n is 1000.
When there is not saltus step in surround lighting (changing value of environmental light brightness is in the first preset range), surround lighting acquisition control module gathers the brightness of surround lighting by preset frequency f, the voltage signal of average calculation unit to cumulative predetermined quantity n is averaged, and this mean value is Va=(V1+V2+ ... + Vn)/n.When surround lighting generation saltus step (changing value of environmental light brightness is more than the first preset range), surround lighting acquisition control module improves the frequency gathering environmental light brightness, in the present embodiment, frequency acquisition doubles, become 2f, then the voltage signal of average calculation unit to cumulative predetermined quantity n is averaged, this mean value be Va '=(V1 '+V2 '+... + Vn ')/n.Obviously, if saltus step in the surround lighting short time, as in n collection, only have the collection of 1/3 or 1/4 quantity to occur saltus step, then Va ' can not be larger or much little than Va, and therefore, the brightness of backlight display module there will not be saltus step; Only have environmental light brightness the long period all very bright or very dark time, Va ' exceedes or lower than after the certain value of Va, the brightness of backlight display module just adjusts, and maintains the stable of the brightness of backlight display module.But, the change of the environmental light brightness environment that may to be saltus step also may be residing for mobile terminal there occurs change, therefore, invention increases the frequency gathering environmental light brightness, improve frequency acquisition, can judge that the change of environmental light brightness is saltus step or stable change faster, it is more accurate to make the brightness of backlight display module.
The dynamic induction control method of surround lighting based on the mobile terminal in above-described embodiment, the present invention also provides a kind of surround lighting of mobile terminal dynamic induction control system, refer to Fig. 2, the dynamic induction control system of described surround lighting comprises: detection module 10, surround lighting acquisition control module 20, surround lighting illuminant module 30, computing module 40, power management module 50 and backlight display module 60.
Described detection module 10, for the change of testing environment luminance brightness; Concrete, the change of real-time testing environment luminance brightness.
Described mobile terminal, comprises the electronic product that intelligent mobile terminal (as smart mobile phone, intelligent watch, Intelligent bracelet etc.) and panel computer etc. have backlight.
Described surround lighting acquisition control module 20, for when the changing value of environmental light brightness is in the first preset range, gathers the brightness of surround lighting by preset frequency f; When the changing value of environmental light brightness is more than the first preset range, improve the frequency gathering environmental light brightness.If the changing value of environmental light brightness exceeds the first preset range, illustrate that surround lighting there occurs sudden change, in the present embodiment, surround lighting acquisition control module improves the frequency gathering environmental light brightness, specifically the frequency gathering environmental light brightness is doubled, that is, bring up to twice preset frequency.Described preset frequency f can according to circumstances be arranged, and preferably, is 500, that is, when the changing value of environmental light brightness is in the first preset range, the every 2us of surround lighting acquisition control module gathers the brightness of a surround lighting.
Described first preset range can be arranged as required, preferably, the interval between brightness the darkest for surround lighting to the brightest brightness is divided into some sub-ranges, and described sub-range is exactly the first preset range.The division in sub-range (the first preset range) can need to arrange according to the brightness of actual environment light or user.In the present embodiment, the interval between brightness that surround lighting is the darkest to the brightest brightness is represented with [0-255], this interval is divided into 4 sub-ranges: [0-50), [50-100), [100-150), [150-255], two end points in each sub-range are two critical values.
Described surround lighting illuminant module 30, for the brightness of the surround lighting of environmentally light collection control module 20 collection, exports corresponding voltage signal.When surround lighting acquisition control module 20 gathers the brightness of surround lighting by preset frequency f, when surround lighting acquisition control module 20 gathers 1 secondary environment luminance brightness, then surround lighting illuminant module 30 exports a corresponding voltage signal V1; When surround lighting acquisition control module 20 gathers the brightness of the 2nd secondary environment light, then surround lighting illuminant module 30 correspondence exports second voltage signal V2; When surround lighting acquisition control module 20 gathers the n-th secondary environment luminance brightness, then surround lighting illuminant module 30 correspondence exports the n-th voltage signal Vn.Surround lighting acquisition control module 20 improves when gathering the frequency of environmental light brightness, and when surround lighting acquisition control module gathers 1 secondary environment luminance brightness, then surround lighting illuminant module exports a corresponding voltage signal V1 '; When surround lighting acquisition control module 20 gathers the brightness of the 2nd secondary environment light, then surround lighting illuminant module 30 correspondence exports second voltage signal V2 '; When surround lighting acquisition control module 20 gathers the n-th secondary environment luminance brightness, then surround lighting illuminant module 30 correspondence exports the n-th voltage signal Vn '.
Described computing module 40, the mean value Va of the voltage signal that the environmental light brightness gathered at different frequencies for computing environment light collection control module 20 is respectively corresponding.That is, computing module 40 calculates the mean value Va=(V1+V2+ of voltage signal under preset frequency f ... + Vn)/n.Computing module calculate the mean value Va ' of voltage signal after improve frequency acquisition=(V1 '+V2 '+... + Vn ')/n.
Described power management module 50, for regulating the brightness of backlight display module 60 according to described mean value, changes with the change of environmental light brightness with making the brightness stability of backlight display module 60.
Described backlight display module 60, comprises the backlight module of mobile terminal, provides light source for giving the display screen of mobile terminal.
Described detection module 10 is by the input end of surround lighting acquisition control module 20 JA(junction ambient) light sensation optical module 30, the output terminal of described surround lighting illuminant module 30 connects the input end of power management module 50 by computing module 40, the output terminal of described power management module 50 connects backlight display module 60.
Compare and prior art, power management module 50 of the present invention regulates the brightness of backlight display module 60 according to described mean value, even if surround lighting at short notice brightness changes greatly, due to the change adopting the mean value of the voltage signal corresponding with environmental light brightness to react certain hour section environment light, making power management module 50 when regulating the brightness of backlight display module 60, there will not be flickering situation.The dynamic induction control system of surround lighting of mobile terminal provided by the invention, can not only the change of ambient light dynamically, and the change of the environmentally light making the brightness stability of backlight display module 60 mild adjusts.
Further, described detection module 10 comprises photo-resistor unit 110 and impedance detection unit 120.
The impedance of described photo-resistor unit 110 changes with the change of environmental light brightness.Described environmental light brightness is corresponding with the impedance of photo-resistor unit.The change of following environmental light brightness that the impedance of described photo-resistor unit 110 is real-time and changing, effectively raises the accuracy detected surround lighting.Further, described photo-resistor unit comprises photoresistance.
Described impedance detection unit 120, for detecting the impedance of photo-resistor unit 110, when the changing value of the impedance of photo-resistor unit 110 is in the second preset range, exports the first detection signal to surround lighting acquisition control module 20; When the changing value of the impedance of photo-resistor unit 110 is more than the second preset range, export the second detection signal to surround lighting acquisition control module 20.By detecting the changing value of the impedance of photo-resistor unit, can judge whether environmental light brightness suddenlys change, thus provide foundation for follow-up raising frequency acquisition.
Described second preset range is corresponding with the first preset range, that is, when the changing value of environmental light brightness is in the first preset range, the changing value of the impedance of photo-resistor unit is in the second preset range; When the changing value of environmental light brightness is more than the first preset range, the changing value of the impedance of photo-resistor unit is more than the second preset range.Thus, the present invention carrys out the change of testing environment luminance brightness with the change of the impedance of photo-resistor unit, very convenient and accurate.
Described surround lighting acquisition control module 20 comprises: processing unit 210, time clock generating unit 220 and environmental light brightness collecting unit 230.
Described processing unit 210, for when receiving described first detection signal, controls the clock pulse signal that time clock generating unit 220 produces preset frequency; When receiving described second detection signal, control the frequency that described time clock generating unit 220 improves clock pulse signal generation.
Concrete, described processing unit 210 specifically for: when receiving described first detection signal, time clock generating unit 220 is made to produce the clock pulse signal of preset frequency, and the first metal-oxide-semiconductor unit (not shown) of conducting time clock generating unit 220 inside, make clock pulse signal export to environmental light brightness collecting unit 230 by the first metal-oxide-semiconductor unit; When receiving described second detection signal, control the frequency that time clock generating unit 220 improves clock pulse signal generation, and the second metal-oxide-semiconductor unit (not shown) of conducting time clock generating unit 220 inside, make clock pulse signal export to environmental light brightness collecting unit 230 by the second metal-oxide-semiconductor unit.Arrange two metal-oxide-semiconductor unit, thus make time clock generating unit can export corresponding clock pulse signal according to the control of processing unit, control mode is simple, and components and parts are few, reduce cost.In the present embodiment, described first metal-oxide-semiconductor unit and the second metal-oxide-semiconductor unit include PMOS.Described first detection signal and the second detection signal are two identical or different low level clock control signals.
Described time clock generating unit 220, for generation of clock pulse signal.
Described environmental light brightness collecting unit 230, for the frequency of the clock pulse signal by described time clock generating unit 220 generation, gathers the brightness of surround lighting.That is, in the present embodiment, if the every 2us of time clock generating unit 220 produces output 1 clock pulse signal, then surround lighting acquisition control module 20 detection of dynamic environmental light brightness under metastable surround lighting is described; If the every 1us of time clock generating unit 220 produces output 1 clock pulse signal, then surround lighting acquisition control module 20 (surround lighting saltus step) detection of dynamic environmental light brightness under the surround lighting of instability is described.
It can thus be appreciated that described processing unit only need control the frequency that described time clock generating unit produces time clock, and the luminance brightness collecting unit that can indirectly control environment gathers the frequency of the brightness of surround lighting, simple and practical.
Further, described computing module 40 comprises accumulator element 410 and average calculation unit 420.
Described accumulator element 410, voltage signal corresponding to the environmental light brightness for gathering at different frequencies surround lighting acquisition control module respectively adds up.
Described average calculation unit 420, for averaging to cumulative voltage signal.Concrete, the voltage signal of described average calculation unit 420 to cumulative predetermined quantity n is averaged.
Described predetermined quantity n is positive integer, by arranging different predetermined quantity n to control the sensitivity of the brightness of backlight display module.Preferably, described predetermined quantity n is 1000.
When there is not saltus step in surround lighting (changing value of environmental light brightness is in the first preset range), surround lighting acquisition control module gathers the brightness of surround lighting by preset frequency f, the voltage signal of average calculation unit to cumulative predetermined quantity n is averaged, and this mean value is Va=(V1+V2+ ... + Vn)/n.When surround lighting generation saltus step (changing value of environmental light brightness is more than the first preset range), surround lighting acquisition control module improves the frequency gathering environmental light brightness, in the present embodiment, frequency acquisition doubles, become 2f, then the voltage signal of average calculation unit to cumulative predetermined quantity n is averaged, this mean value be Va '=(V1 '+V2 '+... + Vn ')/n.Obviously, if saltus step in the surround lighting short time, as in n collection, only have the collection of 1/3 or 1/4 quantity to occur saltus step, then Va ' can not be larger or much little than Va, and therefore, the brightness of backlight display module there will not be saltus step; Only have environmental light brightness the long period all very bright or very dark time, Va ' exceedes or lower than after the certain value of Va, the brightness of backlight display module just adjusts, and maintains the stable of the brightness of backlight display module.But, the change of the environmental light brightness environment that may to be saltus step also may be residing for mobile terminal there occurs change, therefore, invention increases the frequency gathering environmental light brightness, improve frequency acquisition, can judge that the change of environmental light brightness is saltus step or stable change faster, it is more accurate to make the brightness of backlight display module.
The dynamic induction control system of surround lighting based on the mobile terminal in above-described embodiment, the present invention also provides a kind of mobile terminal.Described mobile terminal comprises the dynamic induction control system of surround lighting of mobile terminal as above.Described mobile terminal comprises the electronic product that intelligent mobile terminal (as smart mobile phone, intelligent watch, Intelligent bracelet etc.) and panel computer etc. have backlight.Because the characteristic sum principle of described mobile terminal elaborates in the above-described embodiments, do not repeat them here.
Above-mentioned functions, only in order to illustrate, in actual applications, can distribute to have been come by different functional modules, namely be divided into different functional modules, carried out all or part of function of foregoing description by the division of above-mentioned functions module as required.
One of ordinary skill in the art will appreciate that all or part of flow process in above-described embodiment method, that the hardware that can carry out instruction relevant by computing machine (mobile terminal) program completes, described computing machine (mobile terminal) program can be stored in a computing machine (mobile terminal) read/write memory medium, program, when performing, can comprise the flow process of the embodiment of above-mentioned each method.Storage medium wherein can be magnetic disc, CD, read-only store-memory body (ROM) or random store-memory body (RAM) etc.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. the dynamic induction control method of the surround lighting of mobile terminal, is characterized in that, described method comprises step:
The change of A, testing environment luminance brightness;
B, when the changing value of environmental light brightness is in the first preset range, surround lighting acquisition control module gathers the brightness of surround lighting by preset frequency; When the changing value of environmental light brightness is more than the first preset range, surround lighting acquisition control module improves the frequency gathering environmental light brightness;
The environmentally brightness of surround lighting that gathers of light collection control module of C, surround lighting illuminant module, exports corresponding voltage signal;
The mean value of D, the computing module voltage signal that the environmental light brightness that gathers at different frequencies of computing environment light collection control module is corresponding respectively;
E, power management module regulate the brightness of backlight display module according to described mean value.
2. the dynamic induction control method of the surround lighting of mobile terminal according to claim 1, is characterized in that, described steps A specifically comprises:
A1, the photo-resistor unit that an impedance changes with the change of environmental light brightness is set;
A2, impedance detection unit detect the impedance of photo-resistor unit, when the changing value of the impedance of photo-resistor unit is in the second preset range, export the first detection signal to surround lighting acquisition control module; When the changing value of the impedance of photo-resistor unit is more than the second preset range, export the second detection signal to surround lighting acquisition control module.
3. the dynamic induction control method of the surround lighting of mobile terminal according to claim 2, is characterized in that, described step B specifically comprises:
When the processing unit of B1, surround lighting acquisition control module receives described first detection signal, the time clock generating unit of the light collection that controls environment control module produces the clock pulse signal of preset frequency; When described processing unit receives described second detection signal, control the frequency that described time clock generating unit improves clock pulse signal generation;
The environmental light brightness collecting unit of B2, surround lighting acquisition control module, by the frequency of the clock pulse signal of described time clock generating unit generation, gathers the brightness of surround lighting.
4. the dynamic induction control method of the surround lighting of mobile terminal according to claim 3, it is characterized in that, described step B1 specifically comprises: when described processing unit receives described first detection signal, time clock generating unit is made to produce the clock pulse signal of preset frequency, and the first metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the first metal-oxide-semiconductor unit; When described processing unit receives described second detection signal, control the frequency that time clock generating unit improves clock pulse signal generation, and the second metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the second metal-oxide-semiconductor unit.
5. the dynamic induction control method of the surround lighting of mobile terminal according to claim 2, is characterized in that, described step D specifically comprises:
Voltage signal corresponding to the environmental light brightness that the accumulator element of D1, computing module gathers at different frequencies to surround lighting acquisition control module respectively adds up;
The average calculation unit of D2, computing module is averaged to cumulative voltage signal.
6. the dynamic induction control system of the surround lighting of mobile terminal, is characterized in that, comprising:
Detection module, for the change of testing environment luminance brightness;
Surround lighting acquisition control module, for when the changing value of environmental light brightness is in the first preset range, gathers environmental light brightness by preset frequency; When the changing value of environmental light brightness is more than the first preset range, improve the frequency gathering environmental light brightness;
Surround lighting illuminant module, for the brightness of the surround lighting of environmentally light collection control module collection, exports corresponding voltage signal;
Computing module, the mean value of the voltage signal that the environmental light brightness gathered at different frequencies for computing environment light collection control module is respectively corresponding;
Power management module, for regulating the brightness of backlight display module according to described mean value, changes with the change of environmental light brightness with making the brightness stability of backlight display module.
7. the dynamic induction control system of the surround lighting of mobile terminal according to claim 6, is characterized in that, described detection module comprises:
The photo-resistor unit that impedance changes with the change of environmental light brightness;
Impedance detection unit, for detecting the impedance of photo-resistor unit, when the changing value of the impedance of photo-resistor unit is in the second preset range, exports the first detection signal to surround lighting acquisition control module; When the changing value of the impedance of photo-resistor unit is more than the second preset range, export the second detection signal to surround lighting acquisition control module.
8. the dynamic induction control system of the surround lighting of mobile terminal according to claim 7, is characterized in that, described surround lighting acquisition control module comprises:
Processing unit, for when receiving described first detection signal, controls the clock pulse signal that time clock generating unit produces preset frequency; When receiving described second detection signal, control the frequency that described time clock generating unit improves clock pulse signal generation;
Time clock generating unit, for generation of clock pulse signal;
Environmental light brightness collecting unit, for the frequency of the clock pulse signal by described time clock generating unit generation, gathers the brightness of surround lighting.
9. the dynamic induction control system of the surround lighting of mobile terminal according to claim 8, it is characterized in that, described processing unit specifically for: when receiving described first detection signal, time clock generating unit is made to produce the clock pulse signal of preset frequency, and the first metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the first metal-oxide-semiconductor unit; When receiving described second detection signal, control the frequency that time clock generating unit improves clock pulse signal generation, and the second metal-oxide-semiconductor unit of conducting time clock generating unit inside, make clock pulse signal export to environmental light brightness collecting unit by the second metal-oxide-semiconductor unit.
10. a mobile terminal, is characterized in that, comprises the dynamic induction control system of surround lighting of the mobile terminal as described in claim 6-9 any one.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098021A (en) * | 2016-08-08 | 2016-11-09 | 广东欧珀移动通信有限公司 | A kind of back light brightness regulating method and terminal |
| CN106373531A (en) * | 2016-10-31 | 2017-02-01 | 广东欧珀移动通信有限公司 | Method for adjusting displaying brightness and electronic equipment |
| CN106707861A (en) * | 2016-12-20 | 2017-05-24 | 歌尔科技有限公司 | Display brightness self-adjusting device, method and intelligent wearable device |
| CN106969832A (en) * | 2017-03-20 | 2017-07-21 | 京东方科技集团股份有限公司 | Ambient light detection device, method and display screen |
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| CN109256091A (en) * | 2018-11-30 | 2019-01-22 | 潍坊歌尔电子有限公司 | A kind of brightness of display screen regulating system and wearable device |
| CN111798812A (en) * | 2020-06-22 | 2020-10-20 | 联想(北京)有限公司 | Information processing method and information processing device |
| CN112383991A (en) * | 2020-11-20 | 2021-02-19 | 山东信达物联应用技术有限公司 | Street lamp control method and system |
| TWI787559B (en) * | 2018-12-20 | 2022-12-21 | 光遠科技股份有限公司 | Display apparatus and method for monitoring the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602132A (en) * | 2003-09-24 | 2005-03-30 | 皇家飞利浦电子股份有限公司 | System and method of controlling luminous device |
| CN201063938Y (en) * | 2007-07-09 | 2008-05-21 | 青岛海信电器股份有限公司 | Brightness control circuit and display device provided with the circuit |
| CN101814285A (en) * | 2010-05-04 | 2010-08-25 | 广东中显科技有限公司 | Flat panel display system capable of automatically adjusting brightness |
| US20120176420A1 (en) * | 2009-09-28 | 2012-07-12 | Zte Corporation | Device and method for controlling screen brightness |
| CN102682716A (en) * | 2012-04-28 | 2012-09-19 | 深圳光启创新技术有限公司 | Method and device for regulating screen brightness and electronic device |
-
2015
- 2015-12-11 CN CN201510912788.8A patent/CN105405429B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602132A (en) * | 2003-09-24 | 2005-03-30 | 皇家飞利浦电子股份有限公司 | System and method of controlling luminous device |
| CN201063938Y (en) * | 2007-07-09 | 2008-05-21 | 青岛海信电器股份有限公司 | Brightness control circuit and display device provided with the circuit |
| US20120176420A1 (en) * | 2009-09-28 | 2012-07-12 | Zte Corporation | Device and method for controlling screen brightness |
| CN101814285A (en) * | 2010-05-04 | 2010-08-25 | 广东中显科技有限公司 | Flat panel display system capable of automatically adjusting brightness |
| CN102682716A (en) * | 2012-04-28 | 2012-09-19 | 深圳光启创新技术有限公司 | Method and device for regulating screen brightness and electronic device |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098021A (en) * | 2016-08-08 | 2016-11-09 | 广东欧珀移动通信有限公司 | A kind of back light brightness regulating method and terminal |
| CN106098021B (en) * | 2016-08-08 | 2019-02-05 | Oppo广东移动通信有限公司 | A kind of back light brightness regulating method and terminal |
| CN106373531A (en) * | 2016-10-31 | 2017-02-01 | 广东欧珀移动通信有限公司 | Method for adjusting displaying brightness and electronic equipment |
| CN106707861A (en) * | 2016-12-20 | 2017-05-24 | 歌尔科技有限公司 | Display brightness self-adjusting device, method and intelligent wearable device |
| CN106980563A (en) * | 2017-03-08 | 2017-07-25 | 惠州Tcl移动通信有限公司 | A kind of dynamic mode detection method and its detecting system |
| CN106980563B (en) * | 2017-03-08 | 2021-03-23 | 惠州Tcl移动通信有限公司 | Dynamic mode detection method and detection system thereof |
| US10690539B2 (en) | 2017-03-20 | 2020-06-23 | Boe Technology Group., Ltd. | Circuit and method for detecting ambient light, and display panel |
| CN106969832A (en) * | 2017-03-20 | 2017-07-21 | 京东方科技集团股份有限公司 | Ambient light detection device, method and display screen |
| CN106969832B (en) * | 2017-03-20 | 2018-04-10 | 京东方科技集团股份有限公司 | Ambient light detection device, method and display screen |
| WO2018171364A1 (en) * | 2017-03-20 | 2018-09-27 | 京东方科技集团股份有限公司 | Ambient light detection circuit and method, and display screen |
| CN108601150A (en) * | 2018-06-08 | 2018-09-28 | 深圳创维空调科技有限公司 | A kind of method, apparatus and electric appliance of automatic adjustment LED display brightness |
| CN109119044A (en) * | 2018-10-16 | 2019-01-01 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
| CN109256091A (en) * | 2018-11-30 | 2019-01-22 | 潍坊歌尔电子有限公司 | A kind of brightness of display screen regulating system and wearable device |
| TWI787559B (en) * | 2018-12-20 | 2022-12-21 | 光遠科技股份有限公司 | Display apparatus and method for monitoring the same |
| CN111798812A (en) * | 2020-06-22 | 2020-10-20 | 联想(北京)有限公司 | Information processing method and information processing device |
| CN111798812B (en) * | 2020-06-22 | 2022-05-31 | 联想(北京)有限公司 | Information processing method and information processing device |
| CN112383991A (en) * | 2020-11-20 | 2021-02-19 | 山东信达物联应用技术有限公司 | Street lamp control method and system |
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