CN108766362A - A kind of regulating system of screen intensity, method and device - Google Patents
A kind of regulating system of screen intensity, method and device Download PDFInfo
- Publication number
- CN108766362A CN108766362A CN201810419940.2A CN201810419940A CN108766362A CN 108766362 A CN108766362 A CN 108766362A CN 201810419940 A CN201810419940 A CN 201810419940A CN 108766362 A CN108766362 A CN 108766362A
- Authority
- CN
- China
- Prior art keywords
- screen
- intensity
- light
- light intensity
- proximity sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention is applicable in field of computer technology, provides a kind of regulating system of screen intensity, method and device, which includes：First environment light proximity sensor, second environment light proximity sensor, CPU control modules, display backlight drive module and display screen, when detecting that the screen of intelligent terminal is lit, first environment light proximity sensor and second environment light proximity sensor are detected the correspondence light intensity of corresponding screen area, corresponding screen intensity grade is matched according to corresponding light intensity, CPU control modules export the pulse width modulated waveform of duty ratio corresponding according to screen intensity grade, the driving current of corresponding size is exported with control display screen backlight drive module, and then control display screen adjusts the brightness of screen, screen intensity is adjusted according to the light intensity of corresponding screen area, to improve the adjusting accuracy of screen intensity.
Description
Technical field
The invention belongs to field of computer technology more particularly to a kind of regulating system of screen intensity, method and devices.
Background technology
The conventional method for adjusting mobile terminal screen brightness at present is to dispose a ring in the surface of mobile terminal screen
Then border optical sensor adjusts screen intensity, however, traditional to detect by the ambient light sensor by ambient light intensity
Method is only capable of adjusting screen intensity according to the light intensity that ambient light sensor above screen detects there are one pain spot, and
Screen intensity can not be adjusted according to the practical light transmission situation of screen surface, when screen surface causes translucency poor because dirty etc.
When, the case where can not seeing screen clearly under the matched screen intensity grade of current environment light intensity is appeared at this time, for example, the summer
Its finger be easy perspire (or finger is stained with the poor thing of other light transmissions), when user operate in the case screen it
Afterwards so that screen surface is dirty, is deteriorated so as to cause screen translucency, if not increasing screen intensity at this time, will appear can not
The case where seeing screen clearly, and the precision that conventional method adjusts screen intensity in the case is not high, cannot be satisfied the demand of user.
Invention content
The purpose of the present invention is to provide a kind of regulating system of screen intensity, method and devices, it is intended to solve due to existing
There is technology that can not provide a kind of effective screen luminance adjustment method, screen intensity is caused to adjust inefficient problem.
On the one hand, the present invention provides a kind of regulating system of screen intensity, the system comprises：
First environment light proximity sensor, the light for detecting the preset first screen area ambient enviroment of intelligent terminal
Intensity, while detecting whether first screen area is blocked；
Second environment light proximity sensor, for detecting the light intensity through the intelligent terminal screen surface, simultaneously
Detect whether preset second screen area is blocked；
The CPU control moulds being connect with the first environment light proximity sensor and the second environment light proximity sensor
Block, the light for being detected according to the first environment light proximity sensor or the second environment light proximity sensor
Intensity exports the pulse width modulated waveform of duty ratio corresponding；
The display backlight drive module being connect with the CPU control modules, for being exported according to the CPU control modules
The corresponding size of pulse width modulated waveform output driving current；And
The display screen being connect with the display backlight drive module, for defeated according to the display backlight drive module
The brightness of intelligent terminal screen described in the drive current adjustment gone out.
On the other hand, the present invention provides a kind of adjusting method of the regulating system of above-mentioned screen intensity, the method packets
Include following step：
When detecting that the screen of the intelligent terminal is lit, the first environment light proximity sensor and described is controlled
Second environment light proximity sensor to the first light intensity of first screen area and second screen area second
Light intensity is detected；
Obtained first light intensity will be detected and second light intensity is compared；
When first light intensity is higher than second light intensity, according to preset screen intensity hierarchy equation meter
The matched screen intensity grade of second light intensity is calculated, the screen intensity grade that will match to is set as the intelligent terminal
Screen intensity grade, it is bright in the light pre-established when first light intensity is equal with second light intensity
Lookup and the matched screen intensity grade of first light intensity in configuration file are spent, the screen intensity grade found is set
It is set to the screen intensity grade of the intelligent terminal；
Control the pulse width that the CPU control modules export duty ratio corresponding according to the screen intensity grade of the setting
Modulation waveform；
It controls the display backlight drive module and corresponding size is exported according to the pulse width modulated waveform of output
Driving current；
Control the brightness of intelligent terminal screen described in the drive current adjustment of the display screen according to output.
On the other hand, the present invention provides a kind of regulating device of the regulating system of above-mentioned screen intensity, described device packets
It includes：
Light intensity detection unit, for when detecting that the screen of the intelligent terminal is lit, controlling described first
Ambient light proximity sensor and the second environment light proximity sensor to the first light intensity of first screen area and
Second light intensity of second screen area is detected；
Light intensity comparing unit, for will detect obtained first light intensity and second light intensity into
Row compares；
Brightness degree matching unit is used for when first light intensity is higher than second light intensity, according to pre-
If screen intensity hierarchy equation calculate the matched screen intensity grade of the second light intensity, the screen intensity that will match to
Grade is set as the screen intensity grade of the intelligent terminal, when first light intensity is equal with second light intensity
When, lookup and the matched screen intensity grade of first light intensity in the light luminance configuration file pre-established will
The screen intensity grade found is set as the screen intensity grade of the intelligent terminal；
Corresponding waveform output unit, it is defeated according to the screen intensity grade of the setting for controlling the CPU control modules
Go out the pulse width modulated waveform of duty ratio corresponding；
Driving current output unit, the pulse width for controlling the display backlight drive module according to output
The driving current of the corresponding size of modulation waveform output；And
Screen intensity adjusts unit, for controlling intelligence described in the drive current adjustment of the display screen according to output
The brightness of terminal screen.
The present invention provides a kind of regulating system of screen intensity, which includes first environment light proximity sensor,
Two ambient light proximity sensors, CPU control modules, display backlight drive module and display screen, the present invention, which works as, detects intelligence
When the screen of energy terminal is lit, first environment light proximity sensor and second environment light the first screen of proximity sensor pair are controlled
First light intensity in region and the second light intensity of the second screen area are detected, and the first light that detection is obtained is strong
Degree and the second light intensity are compared, to match screen intensity corresponding with the first light intensity or the second light intensity
Grade, control CPU control modules export the pulse width modulated waveform of duty ratio corresponding according to screen intensity grade, aobvious to control
The driving current of the corresponding size of display screen backlight drive module output, and then control display screen adjusts the brightness of intelligent terminal screen,
Screen intensity is adjusted according to the light intensity of corresponding screen area, to improve the adjusting accuracy of screen intensity.
Description of the drawings
Fig. 1 is the structural schematic diagram of the regulating system for the screen intensity that the embodiment of the present invention one provides；
Fig. 2 is the implementation flow chart of the adjusting method of screen intensity provided by Embodiment 2 of the present invention；
Fig. 3 is the implementation flow chart of the adjusting method for the screen intensity that the embodiment of the present invention three provides；
Fig. 4 is the structural schematic diagram of the regulating device for the screen intensity that the embodiment of the present invention four provides；And
Fig. 5 is the structural schematic diagram of the regulating device for the screen intensity that the embodiment of the present invention five provides.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The specific implementation of the present invention is described in detail below in conjunction with specific embodiment：
Embodiment one：
Fig. 1 shows the structure of the regulating system for the screen intensity that the embodiment of the present invention one provides, for convenience of description, only
It shows and the relevant part of the embodiment of the present invention.
An embodiment of the present invention provides a kind of regulating system 1 of screen intensity, the regulating system 1 of the screen intensity includes the
One ambient light proximity sensor 11, second environment light proximity sensor 12, CPU control modules 13, display backlight drive module
14 and display screen 15, wherein：
First environment light proximity sensor 11 is used to detect the light of the preset first screen area ambient enviroment of intelligent terminal
Line intensity, while detecting whether the first screen area is blocked.Second environment light proximity sensor 12 is for detecting through intelligence
The light intensity on terminal screen surface, while detecting whether preset second screen area is blocked.CPU control modules 13 and
One ambient light proximity sensor 11 is connected with second environment light proximity sensor 12, for according to the close sensing of first environment light
The pulse width modulated waveform for the light intensity output duty ratio corresponding that device 11 or second environment light proximity sensor 12 detect.
Display backlight drive module 14 is connected with CPU control modules 13, the pulse width for being exported according to CPU control modules 13
The driving current of the corresponding size of modulation waveform output.Display screen 15 is connected with display backlight drive module 14, is used for basis
The brightness for the drive current adjustment intelligent terminal screen that display backlight drive module 14 exports.
Preferably, first environment light proximity sensor 11 and second environment light proximity sensor 12 are by ambient light sensor
The two-in-one sensor formed with proximity sensor, to realize the integration of photoinduction and touch sensing.
Another preferably display backlight drive module 14 uses constant pressure type of drive, and constant pressure, which drives, limits output voltage
Peak, do not connect load or underloading in the case of, ensure constant pressure pressure limiting output, to improve LED light source in display screen
Safety.
It is another preferably, first environment light proximity sensor 11 is placed in preset first of 15 upper half area of display screen
It sets, second environment light proximity sensor 12 is placed in the 15 preset second position in lower half region of display screen, bright to improve screen
Spend the reasonability adjusted.For example, first environment light proximity sensor 11, which is placed in 15 top of display screen, images head region, the second ring
Border light proximity sensor 12 is placed in the quick Home key/Menu key/return key range of touch of 15 lower section of display screen.
An embodiment of the present invention provides a kind of regulating system of screen intensity, which includes the close sensing of first environment light
Device, second environment light proximity sensor, CPU control modules, display backlight drive module and display screen, when detecting intelligence
When the screen of terminal is lit, first environment light proximity sensor and second environment light the first screen area of proximity sensor pair are controlled
First light intensity in domain and the second light intensity of the second screen area are detected, the first light intensity that detection is obtained
It is compared with the second light intensity, to match screen intensity corresponding with the first light intensity or the second light intensity etc.
Grade, control CPU control modules export the pulse width modulated waveform of duty ratio corresponding according to screen intensity grade, to control display
Shield the driving current of the corresponding size of backlight drive module output, and then control display screen adjusts the brightness of intelligent terminal screen, root
Screen intensity is adjusted according to the light intensity of corresponding screen area, to improve the adjusting accuracy of screen intensity.
Embodiment two：
Fig. 2 shows the implementation process of the adjusting method of screen intensity provided by Embodiment 2 of the present invention, the screen intensitys
The regulating system of screen intensity of the adjusting method suitable for embodiment one illustrate only and the present invention for convenience of description
The relevant part of embodiment, details are as follows：
In step s 201, when detecting that the screen of intelligent terminal is lit, first environment light proximity sensor is controlled
It is strong with the first light intensity of second environment light the first screen area of proximity sensor pair and the second light of the second screen area
Degree is detected.
The regulating system of screen intensity of the embodiment of the present invention suitable for embodiment one, it is bright with the screen to intelligent terminal
Degree is adjusted, which includes first environment light proximity sensor, second environment light proximity sensor, CPU control modules, shows
Display screen backlight drive module and display screen.
In embodiments of the present invention, the screen of intelligent terminal can press Home key by user or switch key carries out
It lights, or is lighted when intelligent terminal receives the information such as short message, wechat, QQ, when the screen for detecting intelligent terminal
When being lit, the first light that the first screen area is detected by the ambient light sensor of first environment light proximity sensor is strong
Degree, and pass through the second light intensity of the ambient light sensor of second environment light proximity sensor the second screen area of detection.
Preferably, the first screen area is the predeterminable area of intelligent terminal screen top half, and the second screen area is intelligence
The predeterminable area of energy terminal screen lower half portion is strong with the light to different screen region by the way that different screen areas is arranged
Degree is detected, to improve the reasonability of screen subsequent brightness regulation.For example, the first screen area is on intelligent terminal screen
Side's camera shooting head region, the quick Home key/Menu key/return keypad of touch of second screen area below intelligent terminal shields comprehensively
Domain.
In step S202, the first obtained light intensity will be detected and the second light intensity is compared.
In embodiments of the present invention, the first obtained light intensity will detected and the second light intensity is compared it
Before, it is preferable that by the proximity sensor of first environment light proximity sensor and second environment light proximity sensor close to biography
The triggering situation of sensor, judges whether the first screen area and the second screen area are blocked, when the close sensing of first environment light
The proximity sensor of device is not triggered, i.e., the first screen area is not blocked, and second environment light proximity sensor close to biography
Sensor is not also triggered, i.e., when the second screen area is not blocked, the first light intensity and the second light that just obtain detection
Intensity is compared, and to avoid user's finger or other objects from sheltering from light sensor, and causes the mistuning of screen intensity
Section, and then improve the reasonability that screen intensity is adjusted.
In step S203, when the first light intensity is higher than the second light intensity, according to preset screen intensity grade
Formula calculates the matched screen intensity grade of the second light intensity, and the screen intensity grade that will match to is set as intelligent terminal
Screen intensity grade, when the first light intensity is equal with the second light intensity, in the light luminance configuration file pre-established
Middle lookup and the matched screen intensity grade of the first light intensity, set the screen intensity grade found to intelligent terminal
Screen intensity grade.
In embodiments of the present invention, when the first light intensity is higher than the second light intensity, that is, the second light intensity is indicated
The translucency of corresponding second screen area is poor, then needs, according to the second light intensity, to match suitable screen intensity etc.
Grade, and the screen intensity grade that will match to is set as the screen intensity grade of intelligent terminal, when the first light intensity and second
When light intensity is equal, that is, indicate corresponding first screen area of the first light intensity and corresponding second screen of the second light intensity
The translucency in curtain region is suitable, at this point, then only need to match suitable screen intensity grade, and will according to the first light intensity
The screen intensity grade being matched to is set as the screen intensity grade of intelligent terminal, and when the first light intensity is less than the second light
It when intensity, that is, indicates that the translucency of corresponding first screen area of the first light intensity is poor, then user is reminded to clean the first screen
Curtain region surface.
In embodiments of the present invention, when the first light intensity is higher than the second light intensity, according to preset screen intensity
Hierarchy equation calculates before the matched screen intensity grade of the second light intensity, it is preferable that pre-establishes light luminance configuration text
Part stores pair of the first light intensity and screen intensity grade that first environment light proximity sensor detects in configuration file
It should be related to, while further include strength range belonging to the first light intensity in the configuration file, corresponding belonging to strength range
Corresponding screen intensity grade belonging to light intensity section, corresponding light intensity section and corresponding screen intensity grade
The duty ratio of required pulse width modulated waveform (PWM waveform) high level, to for screen subsequent brightness regulation provide according to
According to, and the accuracy that screen intensity is adjusted according to light intensity is improved, specifically, table one shows the first light intensity, light
The correspondence of the duty ratio of line intensity interval, screen intensity grade and PWM waveform high level.
Table one
In embodiments of the present invention, when the first light intensity is higher than the second light intensity, according to preset screen intensity
When hierarchy equation calculates the second light intensity matched screen intensity grade, it is preferable that counted according to formula D2=D1+ (Q1-Q2)
Calculate the matched screen intensity grade of the second light intensity, wherein Q1 is the corresponding light intensity section of the first light intensity, and D1 is
The corresponding screen intensity grades of light intensity section Q1, Q2 are to be configured in the light luminance pre-established according to the second light intensity
The corresponding light intensity section found out in file, D2 be it is to be adjusted after screen intensity grade, it is bright to improve screen
Spend the reasonability adjusted.
As illustratively, for example, when light intensity section Q1=6 detected by first environment light proximity sensor, just
It corresponds to screen intensity grade D1=6 in the case of often, if the light intensity detected by second environment light proximity sensor at this time
Section Q2=4, then the screen intensity grade D2=6+ (6-4)=8 after adjusting, that is, screen intensity grade becomes 8 by 6 after adjusting.
It is further excellent in screen intensity grade matched according to formula D2=D1+ (Q1-Q2) the second light intensities of calculating
Selection of land, when calculated screen intensity grade is more than preset highest level, then screen intensity grade is preset highest at this time
Grade, to further improve the reasonability of screen intensity adjusting.
As illustratively, for example, when light intensity section Q1=6 detected by first environment light proximity sensor, just
It corresponds to screen intensity grade D1=6 in the case of often, if the light intensity detected by second environment light proximity sensor at this time
Section Q2=1, then screen intensity grade D2=6+ (6-1)=11 > 10 after adjusting, that is, screen intensity grade presses 10 after adjusting
It calculates.
In step S204, control CPU control modules export the arteries and veins of duty ratio corresponding according to the screen intensity grade of setting
Rush wide modulation waveform.
In step S205, control display screen backlight drive module is exported according to the pulse width modulated waveform of output
The driving current of corresponding size.
In step S206, control display screen is according to the brightness of the drive current adjustment intelligent terminal screen of output.
In embodiments of the present invention, CPU control modules export the pulse width of duty ratio corresponding according to screen intensity grade
Modulation waveform (PWM waveform), the driving current of corresponding size is exported with control display screen backlight drive module, and then controls display
Shield the light and shade of the big minor adjustment intelligent terminal screen according to driving current.
In embodiments of the present invention, when detecting that the screen of intelligent terminal is lit, control first environment light is close to be passed
Second light of the first light intensity and the second screen area of sensor and second environment light the first screen area of proximity sensor pair
Line intensity is detected, and will detect the first obtained light intensity and the second light intensity is compared, to match and first
Light intensity or the corresponding screen intensity grade of the second light intensity, control CPU control modules are defeated according to screen intensity grade
The pulse width modulated waveform for going out duty ratio corresponding exports the driving electricity of corresponding size with control display screen backlight drive module
Stream, and then control display screen adjusts the brightness of intelligent terminal screen, and screen is adjusted according to the light intensity of corresponding screen area
Brightness, to improve the adjusting accuracy of screen intensity.
Embodiment three：
Fig. 3 shows the implementation process of the adjusting method for the screen intensity that the embodiment of the present invention three provides, the screen intensity
The regulating system of screen intensity of the adjusting method suitable for embodiment one illustrate only and the present invention for convenience of description
The relevant part of embodiment, details are as follows：
In step S301, when detecting that the screen of intelligent terminal is lit, first environment light proximity sensor is controlled
It is strong with the first light intensity of second environment light the first screen area of proximity sensor pair and the second light of the second screen area
Degree is detected.
The regulating system of screen intensity of the embodiment of the present invention suitable for embodiment one, it is bright with the screen to intelligent terminal
Degree is adjusted, which includes first environment light proximity sensor, second environment light proximity sensor, CPU control modules, shows
Display screen backlight drive module and display screen.
In embodiments of the present invention, the screen of intelligent terminal can press Home key by user or switch key carries out
It lights, or is lighted when intelligent terminal receives the information such as short message, wechat, QQ, when the screen for detecting intelligent terminal
When being lit, the first light that the first screen area is detected by the ambient light sensor of first environment light proximity sensor is strong
Degree, and pass through the second light intensity of the ambient light sensor of second environment light proximity sensor the second screen area of detection.
Preferably, the first screen area is the predeterminable area of intelligent terminal screen top half, and the second screen area is intelligence
The predeterminable area of energy terminal screen lower half portion is strong with the light to different screen region by the way that different screen areas is arranged
Degree is detected, to improve the reasonability of screen subsequent brightness regulation.For example, the first screen area is on intelligent terminal screen
Side's camera shooting head region, the quick Home key/Menu key/return keypad of touch of second screen area below intelligent terminal shields comprehensively
Domain.
In step s 302, judge whether the first screen area is blocked.
In embodiments of the present invention, whether it is triggered judgement by the proximity sensor of first environment light proximity sensor
Whether one screen area is blocked, and is then, to keep the screen intensity grade being arranged before the bright screen of intelligent terminal constant, otherwise, jumps
Step S303 is gone to, judges whether the second screen area is blocked.
In step S303, judge whether the second screen area is blocked.
In embodiments of the present invention, whether it is triggered judgement by the proximity sensor of second environment light proximity sensor
Whether two screen areas are blocked, be then, jump to step S311 searched in the light luminance configuration file pre-established with
The matched screen intensity grade of first light intensity, otherwise, jump to step S304 will obtained the first light intensity of detection and
Second light intensity is compared.
In step s 304, the first obtained light intensity will be detected and the second light intensity is compared.
It in embodiments of the present invention, will when the first screen area is not blocked, and the second screen area is not also blocked
The first light intensity and the second light intensity got is compared.
In step S305, judge whether the first light intensity is higher than the second light intensity.
In embodiments of the present invention, judge whether the first light intensity is higher than the second light intensity, be then, to jump to step
S306 calculates the matched screen intensity grade of the second light intensity according to preset screen intensity hierarchy equation and otherwise jumps to
Step S310 judges whether the first light intensity is less than the second light intensity.
In step S306, the matched screen intensity of the second light intensity is calculated according to preset screen intensity hierarchy equation
Grade, the screen intensity grade that will match to are set as the screen intensity grade of intelligent terminal.
In embodiments of the present invention, the matched screen of the second light intensity is calculated according to preset screen intensity hierarchy equation
When brightness degree, it is preferable that the matched screen intensity grade of the second light intensity is calculated according to formula D2=D1+ (Q1-Q2),
In, Q1 is the corresponding light intensity section of the first light intensity, and D1 is the corresponding screen intensity grades of light intensity section Q1, Q2
For the corresponding light intensity section found out in the light luminance configuration file pre-established according to the second light intensity, D2
Be it is to be adjusted after screen intensity grade, to improve screen intensity adjusting reasonability.
As illustratively, for example, when light intensity section Q1=6 detected by first environment light proximity sensor, just
It corresponds to screen intensity grade D1=6 in the case of often, if the light intensity detected by second environment light proximity sensor at this time
Section Q2=4, then the screen intensity grade D2=6+ (6-4)=8 after adjusting, that is, screen intensity grade becomes 8 by 6 after adjusting.
It is further excellent in screen intensity grade matched according to formula D2=D1+ (Q1-Q2) the second light intensities of calculating
Selection of land, when calculated screen intensity grade is more than preset highest level, then screen intensity grade is preset highest at this time
Grade, to further improve the reasonability of screen intensity adjusting.
As illustratively, for example, when light intensity section Q1=6 detected by first environment light proximity sensor, just
It corresponds to screen intensity grade D1=6 in the case of often, if the light intensity detected by second environment light proximity sensor at this time
Section Q2=1, then screen intensity grade D2=6+ (6-1)=11 > 10 after adjusting, that is, screen intensity grade presses 10 after adjusting
It calculates.
In step S307, control CPU control modules export the arteries and veins of duty ratio corresponding according to the screen intensity grade of setting
Rush wide modulation waveform.
In step S308, control display screen backlight drive module is exported according to the pulse width modulated waveform of output
The driving current of corresponding size.
In step S309, control display screen is according to the brightness of the drive current adjustment intelligent terminal screen of output.
In embodiments of the present invention, the step in the specific implementation process reference implementation example one of step S307 to step S309
S204 is to step S206, and details are not described herein.
In step S310, judge whether the first light intensity is less than the second light intensity.
In embodiments of the present invention, judge whether the first light intensity is less than the second light intensity, be then, to jump to step
S312 reminds user to clean first environment light proximity sensor surface and otherwise jumps to step S311 in the light pre-established
It is searched and the matched screen intensity grade of the first light intensity in brightness configuration file.
In step S311, searched and the matched screen of the first light intensity in the light luminance configuration file pre-established
Curtain brightness degree, sets the screen intensity grade found to the screen intensity grade of intelligent terminal.
In embodiments of the present invention, it searches in the light luminance configuration file pre-established and is matched with the first light intensity
Screen intensity grade before, it is preferable that pre-establish light luminance configuration file, in configuration file store first environment light
The correspondence for the first light intensity and screen intensity grade that proximity sensor detects, while further including in the configuration file
Corresponding light intensity section, corresponding light intensity area belonging to strength range, strength range belonging to first light intensity
Between belonging to corresponding screen intensity grade and the required pulse width modulated waveform (PWM of corresponding screen intensity grade
Waveform) high level duty ratio, to for screen subsequent brightness regulation provide foundation, and improve and screen adjusted according to light intensity
The accuracy of curtain brightness.
In step S312, user is reminded to clean first environment light proximity sensor surface.
In embodiments of the present invention, the first light intensity is less than the second light intensity, and user is reminded by popping up prompting frame
Clean first environment light proximity sensor surface.
In embodiments of the present invention, when detecting that the screen of intelligent terminal is lit, first, control first environment light connects
The first light intensity and the second screen area of nearly sensor and second environment light proximity sensor the first screen area of detection
Second light intensity, and whether the first screen area of detection and the second screen area are blocked, then, according to the first screen area
With the circumstance of occlusion of the second screen area, obtained the first light intensity of detection and the second light intensity are compared, with
Allot screen intensity grade corresponding with the first light intensity or the second light intensity, finally, control CPU control modules according to
Screen intensity grade exports the pulse width modulated waveform of duty ratio corresponding, is exported and is corresponded to control display screen backlight drive module
The driving current of size, and then control display screen adjusts the brightness of intelligent terminal screen, to improve screen intensity adjusting
Intelligence degree, and then improve the adjusting accuracy of screen intensity.
Example IV：
Fig. 4 shows the structure of the regulating device for the screen intensity that the embodiment of the present invention four provides, the tune of the screen intensity
The regulating system of screen intensity of the regulating device suitable for embodiment one illustrates only and implements with the present invention for convenience of description
The relevant part of example, including：
Light intensity detection unit 41, for when detecting that the screen of intelligent terminal is lit, controlling first environment light
The first light intensity and the second screen area of proximity sensor and second environment light the first screen area of proximity sensor pair
Second light intensity is detected；
Light intensity comparing unit 42 compares for that will detect the first obtained light intensity and the second light intensity
Compared with；
Brightness degree matching unit 43 is used for when the first light intensity is higher than the second light intensity, according to preset screen
Curtain brightness degree formula calculates the matched screen intensity grade of the second light intensity, and the screen intensity grade that will match to is set as
The screen intensity grade of intelligent terminal, it is bright in the light pre-established when the first light intensity is equal with the second light intensity
Lookup and the matched screen intensity grade of the first light intensity in configuration file are spent, sets the screen intensity grade found to
The screen intensity grade of intelligent terminal；
Corresponding waveform output unit 44 exports correspondence for controlling CPU control modules according to the screen intensity grade of setting
The pulse width modulated waveform of duty ratio；
Driving current output unit 45, for control display screen backlight drive module according to the pulse width tune of output
The driving current of the corresponding size of waveform output processed；And
Screen intensity adjusts unit 46, for control display screen according to the drive current adjustment intelligent terminal screen of output
Brightness.
In embodiments of the present invention, each unit of the regulating device of screen intensity can be real by corresponding hardware or software unit
Existing, each unit can be independent soft and hardware unit, can also be integrated into a soft and hardware unit, herein not limiting this
Invention.The specific implementation mode of each unit can refer to the description of embodiment one, and details are not described herein.
Embodiment five：
Fig. 5 shows the structure of the regulating device for the screen intensity that the embodiment of the present invention five provides, the tune of the screen intensity
The regulating system of screen intensity of the regulating device suitable for embodiment one illustrates only and implements with the present invention for convenience of description
The relevant part of example, including：
Light intensity detection unit 51, for when detecting that the screen of intelligent terminal is lit, controlling first environment light
The first light intensity and the second screen area of proximity sensor and second environment light the first screen area of proximity sensor pair
Second light intensity is detected；
Regional occlusion detection unit 52, for controlling first environment light proximity sensor and second environment light proximity sensor
It detects the first screen area and whether the second screen area is blocked, when detecting that the first screen area is not blocked, and second
When screen area is not blocked, the first light intensity and the second light that triggering light intensity comparing unit 53 obtains detection are strong
Degree is compared；
Light intensity comparing unit 53 compares for that will detect the first obtained light intensity and the second light intensity
Compared with；
Brightness degree matching unit 54 is used for when the first light intensity is higher than the second light intensity, according to preset screen
Curtain brightness degree formula calculates the matched screen intensity grade of the second light intensity, and the screen intensity grade that will match to is set as
The screen intensity grade of intelligent terminal, it is bright in the light pre-established when the first light intensity is equal with the second light intensity
Lookup and the matched screen intensity grade of the first light intensity in configuration file are spent, sets the screen intensity grade found to
The screen intensity grade of intelligent terminal；
Corresponding waveform output unit 55 exports correspondence for controlling CPU control modules according to the screen intensity grade of setting
The pulse width modulated waveform of duty ratio；
Driving current output unit 56, for control display screen backlight drive module according to the pulse width tune of output
The driving current of the corresponding size of waveform output processed；And
Screen intensity adjusts unit 57, for control display screen according to the drive current adjustment intelligent terminal screen of output
Brightness.
Preferably, the first screen area is detected in control first environment light proximity sensor and second environment light proximity sensor
After whether domain and the second screen area are blocked, the detection device of the embodiment of the present invention further includes：
Ratings match subelement detects that the first screen area is not blocked for working as, and the second screen area is blocked
When, lookup and the matched screen intensity grade of the first light intensity, will search in the light luminance configuration file pre-established
To screen intensity grade be set as the screen intensity grade of intelligent terminal, and trigger corresponding waveform output unit 55 and control CPU
Control module exports the pulse width modulated waveform of duty ratio corresponding according to screen intensity grade.
In embodiments of the present invention, each unit of the regulating device of screen intensity can be real by corresponding hardware or software unit
Existing, each unit can be independent soft and hardware unit, can also be integrated into a soft and hardware unit, herein not limiting this
Invention.The specific implementation mode of each unit can refer to the description of embodiment one and embodiment two, and details are not described herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of regulating system of screen intensity, which is characterized in that the system comprises：
First environment light proximity sensor, the light for detecting the preset first screen area ambient enviroment of intelligent terminal are strong
Degree, while detecting whether first screen area is blocked；
Second environment light proximity sensor detects simultaneously for detecting the light intensity through the intelligent terminal screen surface
Whether preset second screen area is blocked；
The CPU control modules being connect with the first environment light proximity sensor and the second environment light proximity sensor are used
In the light intensity detected according to the first environment light proximity sensor or the second environment light proximity sensor
Export the pulse width modulated waveform of duty ratio corresponding；
The display backlight drive module being connect with the CPU control modules, the institute for being exported according to the CPU control modules
State the driving current of the corresponding size of pulse width modulated waveform output；And
The display screen being connect with the display backlight drive module, for what is exported according to the display backlight drive module
The brightness of intelligent terminal screen described in the drive current adjustment.
2. the regulating system of screen intensity as described in claim 1, which is characterized in that the first environment light proximity sensor and
The two-in-one sensor that the second environment light proximity sensor is made of ambient light sensor and proximity sensor.
3. the regulating system of screen intensity as described in claim 1, which is characterized in that the display backlight drive module uses
Constant pressure type of drive.
4. the regulating system of screen intensity as described in claim 1, which is characterized in that the first environment light proximity sensor peace
The preset first position in half region on the display screen is set, the second environment light proximity sensor is placed in the display screen
The preset second position in lower half region.
5. a kind of adjusting method of the regulating system based on any screen intensitys of claim 1-4, which is characterized in that described
Method includes the following steps：
When detecting that the screen of the intelligent terminal is lit, the first environment light proximity sensor and described second are controlled
Second light of the ambient light proximity sensor to the first light intensity and second screen area of first screen area
Intensity is detected；
Obtained first light intensity will be detected and second light intensity is compared；
When first light intensity is higher than second light intensity, institute is calculated according to preset screen intensity hierarchy equation
The matched screen intensity grade of the second light intensity is stated, the screen intensity grade that will match to is set as the screen of the intelligent terminal
Curtain brightness degree is matched when first light intensity is equal with second light intensity in the light luminance pre-established
Lookup and the matched screen intensity grade of first light intensity in file are set, sets the screen intensity grade found to
The screen intensity grade of the intelligent terminal；
Control the pulse width modulation that the CPU control modules export duty ratio corresponding according to the screen intensity grade of the setting
Waveform；
Control the drive that the display backlight drive module exports corresponding size according to the pulse width modulated waveform of output
Streaming current；
Control the brightness of intelligent terminal screen described in the drive current adjustment of the display screen according to output.
6. method as claimed in claim 5, which is characterized in that first light intensity and described second for obtaining detection
Before the step of light intensity is compared, including：
It controls the first environment light proximity sensor and the second environment light proximity sensor detects first screen area
Whether domain and second screen area are blocked；
When detecting that first screen area is not blocked, and when second screen area is not blocked, jumping to will examine
The step of first light intensity and second light intensity measured is compared.
7. method as claimed in claim 6, which is characterized in that control the first environment light proximity sensor and described second
After the step of whether ambient light proximity sensor detection first screen area and second screen area are blocked, also
Including：
When detecting that first screen area is not blocked, and when second screen area is blocked, what is pre-established
Lookup and the matched screen intensity grade of first light intensity in light luminance configuration file, and jump to described in control
CPU control modules export the step of pulse width modulated waveform of duty ratio corresponding according to the screen intensity grade.
8. a kind of regulating device based on any regulating systems of claim 1-4, which is characterized in that described device includes：
Light intensity detection unit, for when detecting that the screen of the intelligent terminal is lit, controlling the first environment
Light proximity sensor and the second environment light proximity sensor are to the first light intensity of first screen area and described
Second light intensity of the second screen area is detected；
Light intensity comparing unit, first light intensity and second light intensity for obtaining detection compare
Compared with；
Brightness degree matching unit is used for when first light intensity is higher than second light intensity, according to preset
Screen intensity hierarchy equation calculates the matched screen intensity grade of the second light intensity, the screen intensity grade that will match to
It is set as the screen intensity grade of the intelligent terminal, when first light intensity is equal with second light intensity,
Lookup and the matched screen intensity grade of first light intensity, will search in the light luminance configuration file pre-established
To screen intensity grade be set as the screen intensity grade of the intelligent terminal；
Corresponding waveform output unit, for controlling the CPU control modules according to the output pair of the screen intensity grade of the setting
Answer the pulse width modulated waveform of duty ratio；
Driving current output unit is modulated for controlling the display backlight drive module according to the pulse width of output
The driving current of the corresponding size of waveform output；And
Screen intensity adjusts unit, for controlling intelligent terminal described in the drive current adjustment of the display screen according to output
The brightness of screen.
9. device as claimed in claim 8, which is characterized in that described device further includes：
Regional occlusion detection unit, for controlling the first environment light proximity sensor and the second environment light close to sensing
Device detects whether first screen area and second screen area are blocked, when detecting first screen area not
It is blocked, and when second screen area is not blocked, triggering the light intensity comparing unit will be described in detection obtains
First light intensity and second light intensity are compared.
10. device as claimed in claim 8, which is characterized in that described device further includes：
Ratings match subelement detects that first screen area is not blocked for working as, and the second screen area quilt
When blocking, lookup and the matched screen intensity of the first light intensity etc. in the light luminance configuration file pre-established
Grade, and trigger the corresponding waveform output unit and control the CPU control modules according to screen intensity grade output correspondence
The pulse width modulated waveform of duty ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810419940.2A CN108766362A (en) | 2018-05-04 | 2018-05-04 | A kind of regulating system of screen intensity, method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810419940.2A CN108766362A (en) | 2018-05-04 | 2018-05-04 | A kind of regulating system of screen intensity, method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108766362A true CN108766362A (en) | 2018-11-06 |
Family
ID=64010112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810419940.2A Pending CN108766362A (en) | 2018-05-04 | 2018-05-04 | A kind of regulating system of screen intensity, method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108766362A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109976450A (en) * | 2019-03-15 | 2019-07-05 | Oppo广东移动通信有限公司 | Screen calibration method, device, electronic equipment and storage medium |
| CN110228408A (en) * | 2019-03-26 | 2019-09-13 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automobile middle control sunlight detection method and its device |
| CN110782832A (en) * | 2019-11-14 | 2020-02-11 | 珠海格力电器股份有限公司 | Brightness adjusting device and method for display |
| CN111128091A (en) * | 2020-02-11 | 2020-05-08 | 北京小米移动软件有限公司 | Screen brightness adjusting method, screen brightness adjusting device and computer storage medium |
| CN111276087A (en) * | 2020-03-24 | 2020-06-12 | 联想(北京)有限公司 | Screen brightness adjusting method and device and electronic equipment |
| CN112967674A (en) * | 2021-02-04 | 2021-06-15 | 维沃移动通信有限公司 | Electronic device and brightness control method |
| CN113329122A (en) * | 2021-05-13 | 2021-08-31 | 上海龙旗科技股份有限公司 | Method and equipment for adjusting screen brightness of mobile terminal |
| CN113539192A (en) * | 2020-04-21 | 2021-10-22 | 北京小米移动软件有限公司 | Ambient light detection method and apparatus, electronic device, and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456317A (en) * | 2010-10-19 | 2012-05-16 | 昆达电脑科技(昆山)有限公司 | Display screen with adjustable partial backlights |
| CN106060284A (en) * | 2016-08-15 | 2016-10-26 | 广东欧珀移动通信有限公司 | Backlight control method and device, and mobile terminal |
| CN106231103A (en) * | 2016-08-03 | 2016-12-14 | Tcl通讯（宁波）有限公司 | A kind of method and system realizing volume and brightness regulation based on Proximity Sensor |
| CN106548755A (en) * | 2016-12-07 | 2017-03-29 | 惠州三华工业有限公司 | Brightness adjust automatically display device |
| CN107734152A (en) * | 2017-09-27 | 2018-02-23 | 苏州亿科赛卓电子科技有限公司 | A kind of mobile terminal and brightness control method with illumination functions |
| CN207298030U (en) * | 2017-08-01 | 2018-05-01 | 厦门建霖健康家居股份有限公司 | A kind of novel environmental photoinduction tap |
-
2018
- 2018-05-04 CN CN201810419940.2A patent/CN108766362A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456317A (en) * | 2010-10-19 | 2012-05-16 | 昆达电脑科技(昆山)有限公司 | Display screen with adjustable partial backlights |
| CN106231103A (en) * | 2016-08-03 | 2016-12-14 | Tcl通讯（宁波）有限公司 | A kind of method and system realizing volume and brightness regulation based on Proximity Sensor |
| CN106060284A (en) * | 2016-08-15 | 2016-10-26 | 广东欧珀移动通信有限公司 | Backlight control method and device, and mobile terminal |
| CN106548755A (en) * | 2016-12-07 | 2017-03-29 | 惠州三华工业有限公司 | Brightness adjust automatically display device |
| CN207298030U (en) * | 2017-08-01 | 2018-05-01 | 厦门建霖健康家居股份有限公司 | A kind of novel environmental photoinduction tap |
| CN107734152A (en) * | 2017-09-27 | 2018-02-23 | 苏州亿科赛卓电子科技有限公司 | A kind of mobile terminal and brightness control method with illumination functions |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109976450A (en) * | 2019-03-15 | 2019-07-05 | Oppo广东移动通信有限公司 | Screen calibration method, device, electronic equipment and storage medium |
| CN110228408A (en) * | 2019-03-26 | 2019-09-13 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automobile middle control sunlight detection method and its device |
| CN110782832A (en) * | 2019-11-14 | 2020-02-11 | 珠海格力电器股份有限公司 | Brightness adjusting device and method for display |
| CN111128091A (en) * | 2020-02-11 | 2020-05-08 | 北京小米移动软件有限公司 | Screen brightness adjusting method, screen brightness adjusting device and computer storage medium |
| CN111128091B (en) * | 2020-02-11 | 2021-09-28 | 北京小米移动软件有限公司 | Screen brightness adjusting method, screen brightness adjusting device and computer storage medium |
| CN111276087A (en) * | 2020-03-24 | 2020-06-12 | 联想(北京)有限公司 | Screen brightness adjusting method and device and electronic equipment |
| CN113539192A (en) * | 2020-04-21 | 2021-10-22 | 北京小米移动软件有限公司 | Ambient light detection method and apparatus, electronic device, and storage medium |
| US11698297B2 (en) | 2020-04-21 | 2023-07-11 | Beijing Xiaomi Mobile Software Co., Ltd. | Methods and devices for detecting ambient light based on different states of flexible screen, and storage medium |
| CN113539192B (en) * | 2020-04-21 | 2023-10-20 | 北京小米移动软件有限公司 | Ambient light detection method and device, electronic equipment and storage medium |
| CN112967674A (en) * | 2021-02-04 | 2021-06-15 | 维沃移动通信有限公司 | Electronic device and brightness control method |
| CN113329122A (en) * | 2021-05-13 | 2021-08-31 | 上海龙旗科技股份有限公司 | Method and equipment for adjusting screen brightness of mobile terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108766362A (en) | A kind of regulating system of screen intensity, method and device | |
| CN101861762B (en) | Illumination device and illumination apparatus using the same | |
| KR100317281B1 (en) | method for driving self-emmitting display device | |
| CN101740005B (en) | Display control apparatus and display control method | |
| CN105138268A (en) | Adjusting method and system for display terminal screen brightness | |
| US9591718B2 (en) | Illuminance configuring illumination system and method using the same | |
| CN203366711U (en) | Vehicle-mounted self-adaptive display device | |
| EP2288141B1 (en) | Brightness sensing system and illumination system using same | |
| US7202610B2 (en) | Device and method for driving organic EL display | |
| RU2012140472A (en) | LIGHT-RADIATING DEVICE FOR DISPLAYING AN IMAGE AND DEVICE FOR DISPLAYING AN IMAGE | |
| CN203416333U (en) | PWM infrared fill-in light switching device | |
| US20140214362A1 (en) | Method and system of detecting flickering frequency of ambient light source | |
| TW201324497A (en) | Display device and brightness adjusting method thereof | |
| KR101995340B1 (en) | Method for controlling ir source | |
| EP1569194A1 (en) | Portable electronic device controlled according to ambient illumination | |
| CN106657676A (en) | Screen brightness adjusting method and device | |
| CN104240676B (en) | Method for adjusting electronic device and electronic device | |
| CN103793045A (en) | Pupil tracking device | |
| CN113573441B (en) | Method for adjusting brightness of lighting equipment and electronic equipment | |
| CN105549927A (en) | Display method and terminal | |
| CN106356037A (en) | Control method, control device, display device and air detection device | |
| CN105407231B (en) | A kind of backlight brightness control method and system of terminal device | |
| GB2403096A (en) | Automatic lighting control for communication devices with a camera | |
| CN107333358B (en) | Induction type bulb | |
| CN108279788B (en) | Control unit for remote controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |