CN105788568A - Screen brightness adjustment method and device - Google Patents

Screen brightness adjustment method and device Download PDF

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Publication number
CN105788568A
CN105788568A CN201610323019.9A CN201610323019A CN105788568A CN 105788568 A CN105788568 A CN 105788568A CN 201610323019 A CN201610323019 A CN 201610323019A CN 105788568 A CN105788568 A CN 105788568A
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China
Prior art keywords
screen
terminal
distance
brightness regulation
adjusted
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CN201610323019.9A
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CN105788568B (en
Inventor
张强
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201610323019.9A priority Critical patent/CN105788568B/en
Publication of CN105788568A publication Critical patent/CN105788568A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10Intensity circuits

Abstract

The embodiments of the invention provide a screen brightness adjustment method and device. The screen brightness adjustment method includes the following steps that: a brightness adjustment request is received; a distance between the display screen of a terminal and an external object is obtained according to the brightness adjustment request; whether the distance is greater than a preset distance is judged; and if the distance is greater than the preset distance, ambient light intensity of an environment where the terminal is currently located is obtained, and the brightness of the screen of the terminal is adjusted according to the ambient light intensity. According to the method of the invention, whether the distance between the display screen of the terminal and the external object is larger than the preset distance is judged, if the distance between the display screen of the terminal and the external object is larger than the preset distance, and the brightness of the screen of the terminal is adjusted according to the ambient light intensity, and therefore, the accuracy of the brightness adjustment of the screen of the terminal can be improved.

Description

A kind of screen luminance adjustment method and device
Technical field
The present invention relates to field of terminal technology, particularly relate to a kind of screen luminance adjustment method and device.
Background technology
Along with the development of mobile terminal technology with constantly bring forth new ideas, the display performance of mobile terminal screen is required also more and more higher by user, do not require nothing more than screen to show and want clear, but also require that screen intensity changes along with the change of environment, so that screen intensity meets the requirement that user's user demand is simultaneously not dazzling again.
At present, mobile terminal is generally both provided with ambient light sensor, and mobile terminal would know that the light intensity being presently in environment by ambient light sensor, and adjusts screen intensity according to current environment light intensity, so as to adapt to environment facies.
In the existing mode utilizing ambient light sensor to adjust screen intensity, it is generally acknowledged that ambient light intensity and screen intensity exist linear positive correlation, when namely environmental light brightness strengthens, mobile terminal screen brightness brightens, when environmental light brightness weakens, mobile terminal screen brightness is dimmed.
But, in prior art, as long as mobile terminal opens screen intensity and automatically adjusts, mobile terminal at any time all can adjust screen intensity according to ambient light intensity, the environmental factors considered in this method of adjustment is single, and the accuracy causing mobile terminal screen brightness adjustment is low.
Therefore, in prior art, the accuracy of mobile terminal screen brightness adjustment needs further to be improved.
Summary of the invention
The embodiment of the present invention provides a kind of screen luminance adjustment method and device, it is possible to solve the technical problem that in existing screen brightness regulation method, screen luminance of terminal Adjusting accuracy is low.
The embodiment of the present invention provides a kind of screen luminance adjustment method, including:
Reception brightness regulation is asked;
According to the distance between described brightness regulation acquisition request terminal display screen and external object;
Judge that whether described distance is more than predeterminable range;
If so, then obtain described terminal and be presently in the ambient light intensity of environment, and according to described ambient light intensity, the screen intensity of described terminal is adjusted.
Further, after according to described ambient light intensity the screen intensity of described terminal being adjusted, described screen luminance adjustment method also includes:
According to described distance, the screen intensity of described terminal is adjusted.
Further, the described step screen intensity of described terminal being adjusted according to described distance specifically includes:
Obtain the brightness regulation amplitude that described distance is corresponding;
According to described brightness regulation amplitude, the screen intensity of described terminal is adjusted.
Further, the described step screen intensity of described terminal being adjusted according to described brightness regulation amplitude specifically includes:
Judge that whether described brightness regulation amplitude is more than predetermined threshold value;
If being judged as NO, then according to described brightness regulation amplitude, the screen intensity of described terminal is adjusted.
Further, described screen luminance adjustment method also includes:
When judging described brightness regulation amplitude more than described predetermined threshold value, according to described predetermined threshold value, the screen intensity of described terminal is adjusted.
Further, the described step according to the distance between described brightness regulation acquisition request terminal display screen and external object specifically includes:
Measurement distance between terminal display screen and external object according to described brightness regulation acquisition request;
According to distance correction information, described measurement distance is modified, to obtain the distance between described terminal display screen and external object.
Correspondingly, the embodiment of the present invention also provides for a kind of screen brightness regulating device, including:
Receiver module, is used for receiving brightness regulation request;
First acquisition module, for according to the distance between described brightness regulation acquisition request terminal display screen and external object;
Judge module, is used for judging that whether described distance is more than predeterminable range;
Described first acquisition module, is additionally operable to, when described judge module is judged as YES, obtain described terminal and be presently in the ambient light intensity of environment;
First adjustment module, for being adjusted the screen intensity of described terminal according to described ambient light intensity.
Further, described device also includes:
Second adjustment module, for being adjusted the screen intensity of described terminal according to described distance.
Further, described second adjustment module specifically includes:
Second obtains submodule, the brightness regulation amplitude corresponding for obtaining described distance;
3rd regulon module, for being adjusted the screen intensity of described terminal according to described brightness regulation amplitude.
Further, described 3rd regulon module specifically for:
Judge that whether described brightness regulation amplitude is more than predetermined threshold value;
When being judged as NO, according to described brightness regulation amplitude, the screen intensity of described terminal is adjusted, when being judged as YES, according to described predetermined threshold value, the screen intensity of described terminal is adjusted.
Embodiments provide a kind of screen luminance adjustment method and device, this screen luminance adjustment method adopts and receives brightness regulation request, according to the distance between this brightness regulation acquisition request terminal display screen and external object, and judge that whether this distance is more than predeterminable range, if, then obtain this terminal and be presently in the ambient light intensity of environment, and according to this ambient light intensity, the screen intensity of this terminal is adjusted;The program may determine that whether the distance between terminal display screen and external object is more than predeterminable range, when more than predeterminable range, just according to ambient light intensity, the screen intensity of this terminal is adjusted, in terms of existing technologies, only terminal display screen and external object in a distance time just according to ambient light intensity, the screen intensity of this terminal is adjusted, and the distance between terminal display screen and external object within predeterminable range time screen luminance of terminal is not adjusted, screen intensity adjustment process has taken into full account this double factor of the distance between ambient light intensity and terminal display screen and external object, it is no longer solely according to ambient light intensity, screen luminance of terminal is adjusted, improve the accuracy that screen luminance of terminal regulates.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the screen luminance adjustment method that the embodiment of the present invention one provides;
Fig. 2 is the schematic flow sheet of the screen luminance adjustment method that the embodiment of the present invention two provides;
Fig. 3 a is the structural representation of the first screen brightness regulating device that the embodiment of the present invention three provides;
Fig. 3 b is the structural representation of the second screen brightness regulating device that the embodiment of the present invention three provides;
Fig. 3 c is the structural representation of the third screen brightness regulating device that the embodiment of the present invention three provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the present invention provides a kind of screen luminance adjustment method and device.To be described in detail respectively below.
Embodiment one
The present embodiment will be described from the angle of screen brightness regulating device, this screen brightness regulating device specifically can integrated in the terminal, this terminal can be the equipment such as smart mobile phone, panel computer.
A kind of screen luminance adjustment method, including: receive brightness regulation request, according to the distance between this brightness regulation acquisition request terminal display screen and external object, and judge that whether this distance is more than predeterminable range, if being judged as YES, then obtain this terminal and be presently in the ambient light intensity of environment, and according to this ambient light intensity, the screen intensity of this terminal is adjusted.
As it is shown in figure 1, this screen luminance adjustment method, idiographic flow can be such that
S101, receives brightness regulation request.
Specifically, the request of this brightness regulation can be initiated voluntarily by terminal, such as, the request of this brightness regulation of clocked flip can be set based on certain timing system, or a trigger condition can be set for the request of this brightness regulation, triggering terminal the request of this brightness regulation be can initiate voluntarily whenever reaching this trigger condition, and reception, process performed.
The request of this brightness regulation can also be triggered by terminal by user, or initiated to terminal by certain medium, such as, user can trigger the request of this brightness regulation by input operation on a terminal screen, again such as, user can by remotely operation or closely infrared remote control send the request of this brightness regulation to terminal, terminal performs reception subsequently.
S102, according to the distance between this brightness regulation acquisition request terminal display screen and external object.
In specific implementation process, after receiving brightness regulation request, it is possible to have the multiple method distance to obtain between terminal display screen and external object.
Such as, photoelectric sensor is used to obtain the distance between terminal display screen and external object.In the method for this acquisition distance, need to be provided with in the terminal photoelectric sensor, after terminal receives brightness regulation request, the instruction obtaining distance is sent to the photoelectric sensor in terminal, photoelectric sensor is outwardly launched light pulse and receives the light pulse that object returns, in photoelectric sensor, produce the corresponding signal of telecommunication subsequently, photoelectric sensor by this signal of telecommunication is analyzed, calculating etc. process the distance between outlet terminal display screen and external object.
In actual application, due to life-time service, photoelectric sensor in terminal inevitably results from error when measuring distance, such as, photoelectric sensor is subject to oil pollution to be caused producing error when launching light pulse or receiving light pulse, thus causing measuring apart from inaccurate, now needing the measurement distance of photoelectric sensor is modified, therefore step S102 specifically can include as follows:
According to the measurement distance between this brightness regulation acquisition request terminal display screen and external object;
According to distance correction information, this measurement distance is modified, to obtain the distance between this terminal display screen and external object.
Wherein, this measurement distance can be the distance that photoelectric sensor senses, this distance correction information can be the correction being stored in advance in terminal respective memory regions (built-in memory area or external memory area), such as, this distance correction information is correction A (such as 5mm), exports measuring distance as the distance between terminal display screen and external object plus A;This distance correction information can also is that the distance correction coefficient calculated in real time, such as, this distance correction information is greasy dirt interference ratio k, greasy dirt interference ratio k can adopt following methods to draw: when the photoelectric sensor of terminal is activated first, obtains one when not having object proximity sensor and measures distance L0, when photoelectric sensor in terminal needs to carry out distance correction, obtain one when there is no object proximity sensor and measure distance L1So that k=L0/L1, when carrying out distance correction, measurement distance is multiplied by greasy dirt interference ratio k and exports as the distance between terminal display screen and external object.
S103, it is judged that whether this distance is more than predeterminable range.
In specific implementation process, judge whether this distance has multiple more than the mode of predeterminable range, such as, after getting this distance, this predeterminable range is called from the respective memory regions (built-in memory area or external memory area) of terminal, the distance got and this predeterminable range can be compared subsequently, to judge that whether this distance is more than predeterminable range.
Wherein, this predeterminable range can be the distance value that terminal is stored in terminal respective memory regions when dispatching from the factory, for instance 10cm, and this predeterminable range can also be user setup the distance value being stored in terminal respective memory regions.
It is that the processing mode of terminal has multiple when being judged as NO, such as, after certain interval of time, again performs step S102;When being judged as YES, perform step S104.
S104, obtains this terminal and is presently in the ambient light intensity of environment, and according to this ambient light intensity, the screen intensity of this terminal is adjusted.
Specifically, need to be provided with ambient light sensor in advance in the terminal, when the distance judged between terminal display screen and external object is more than predeterminable range, the instruction obtaining ambient light intensity is sent to the ambient light sensor in terminal, ambient light sensor senses the ambient light intensity in local environment and produces the corresponding signal of telecommunication in photoelectric switching circuit, and terminal is presently in the ambient light intensity of environment according to the output of this signal of telecommunication.
Subsequently, according to this ambient light intensity, the screen intensity of terminal is adjusted.
In being embodied as, according to this ambient light intensity, the mode that the screen intensity of terminal is adjusted is had multiple.Such as, store the mapping relations of ambient light intensity and screen intensity in advance in the terminal, these mapping relations are specifically as follows proportional relation, after getting ambient light intensity, according to the screen intensity that the inquiry of these mapping relations is corresponding, it is called object brightness, and the screen intensity of terminal is set to this object brightness.Wherein, the form of expression of this object brightness has multiple, such as, it is possible to be a concrete brightness number, it is also possible to be percentage ratio.
Preferably, in order to improve the accuracy that screen luminance of terminal regulates further, it is also possible to according to the distance between terminal display screen and external object, screen intensity is adjusted, therefore, can also comprise the following steps after step S104:
According to this distance, the screen intensity of this terminal is adjusted.
In practical application, according to this distance, the mode that the screen intensity of this terminal is adjusted is had multiple, it is preferable that the screen intensity of this terminal " is adjusted " may include that by step according to this distance
Obtain the brightness regulation amplitude that this distance is corresponding;
According to this brightness regulation amplitude, the screen intensity of this terminal is adjusted.
Specifically, mapping relations between storage distance in the terminal and brightness regulation amplitude in advance, wherein, brightness regulation amplitude can be concrete brightness value (such as, 20nit), it is also possible to be percentage ratio (such as, 1%), can also is that the adjustment grade of concrete LCD backlight chip (such as, 10 LCD backlight chips adjust grade), these mapping relations can be specifically proportional relation.When the screen intensity of this terminal being adjusted according to this distance, first issue the instruction of inquiry brightness regulation amplitude, according to the brightness regulation amplitude that the inquiry of these mapping relations is corresponding with this distance, then terminal current screen brightness is increased this brightness regulation amplitude.
Preferably, owing to screen luminance of terminal has been regulated by ambient light intensity according to terminal local environment, amplitude of accommodation during in order to avoid screen luminance of terminal being adjusted according to the distance between terminal display screen and external object is excessive, can also comprise the following steps before " screen intensity of this terminal being adjusted according to this brightness regulation amplitude " step:
Judge that whether this brightness regulation amplitude is more than predetermined threshold value;
If being judged as NO, then according to this brightness regulation amplitude, the screen intensity of this terminal is adjusted.
Concrete, after getting brightness regulation amplitude, this predetermined threshold value is called from the corresponding memory area of terminal (built-in memory area or external memory area), subsequently the brightness regulation amplitude got and this predetermined threshold value are compared, to judge that whether this brightness regulation amplitude is more than predetermined threshold value.
Wherein, this predetermined threshold value can be terminal be stored in terminal respective memory regions when dispatching from the factory a brightness value (such as, 50nit) or percentage ratio (such as 5%), it is also possible to be user setup the brightness value being stored in terminal respective memory regions or percentage ratio.
Preferably, in order to ensure when brightness regulation amplitude is more than this predetermined threshold value, it is also possible to screen luminance of terminal is adjusted, can also include after " judging that whether this brightness regulation amplitude is more than predetermined threshold value ":
If being judged as YES, then according to this predetermined threshold value, the screen intensity of this terminal is adjusted.
In being embodied as, according to this predetermined threshold value, the mode that the screen intensity of this terminal is adjusted is had multiple, such as, when being judged as this brightness regulation amplitude more than this predetermined threshold value, this terminal current screen brightness is increased this predetermined threshold value.
As from the foregoing, the screen luminance adjustment method that the embodiment of the present invention provides, adopt and receive brightness regulation request, according to the distance between this brightness regulation acquisition request terminal display screen and external object, and judge that whether this distance is more than predeterminable range, if so, then obtain this terminal and be presently in the ambient light intensity of environment, and according to this ambient light intensity, the screen intensity of this terminal is adjusted;The program may determine that whether the distance between terminal display screen and external object is more than predeterminable range, when more than predeterminable range, just according to ambient light intensity, the screen intensity of this terminal is adjusted, in terms of existing technologies, only terminal display screen and external object in a distance time just according to ambient light intensity, the screen intensity of this terminal is adjusted, and the distance between terminal display screen and external object within predeterminable range time screen luminance of terminal is not adjusted, screen intensity adjustment process has taken into full account this double factor of the distance between ambient light intensity and terminal display screen and external object, it is no longer solely according to ambient light intensity, screen luminance of terminal is adjusted, improve the accuracy that screen luminance of terminal regulates.
Embodiment two
According to the method described by embodiment one, below citing is described in further detail.
In the present embodiment, will specifically be integrated in smart mobile phone with this screen brightness regulating device, and be adjusted being described in detail for example to the screen intensity of this terminal.
As in figure 2 it is shown, a kind of screen luminance adjustment method, idiographic flow can be such that
S201, smart mobile phone receives brightness regulation request.
Specifically, the request of this brightness regulation can be by the smart mobile phone timing automatic initiation according to user, can also be that the input operation by user is set out, can also is that user passes through what certain medium was initiated to smart mobile phone, such as, user can send the request of this brightness regulation by remotely operation to smart mobile phone, and smart mobile phone performs reception subsequently.
S202, smart mobile phone is according to the distance between this brightness regulation acquisition request its display screen and external object.
In the present embodiment, smart mobile phone is integrated with infrared ray sensor, and in infrared ray sensor, it is integrated with photoelectric switching circuit, after distance between infrared ray sensor sensing and external object, photoelectric switching circuit produces the corresponding signal of telecommunication, specifically, this signal of telecommunication can be current signal (such as 1mA, 1A etc.), this signal of telecommunication can also be voltage signal (such as 1mV, 1V etc.), and the processor of smart mobile phone exports the distance between smart mobile phone display screen and external object after this signal of telecommunication is processed.
S203, smart mobile phone judges that whether this distance is more than predeterminable range.
Specifically, after smart mobile phone gets this distance, call the predeterminable range of storage in the built-in memory area of smart mobile phone, and the difference obtained between this distance and this predeterminable range is calculated by processor, when this difference is more than 0, being judged as that this distance is more than this predeterminable range, smart mobile phone performs step S204 subsequently;When this difference is less than or equal to 0, it is judged that be not more than this predeterminable range for this distance, performing step S202 subsequently after smart mobile phone certain interval of time, such as, interval time is 5s.
S204, smart mobile phone obtains the ambient light intensity being presently in environment, and according to this ambient light intensity, screen intensity is adjusted.
In the present embodiment, smart mobile phone is integrated with ambient light sensor, and in ambient light sensor, is integrated with photoelectric switching circuit.When in S203, smart mobile phone judges this distance more than this predeterminable range, the instruction obtaining ambient light intensity is sent to ambient light sensor, after the ambient light intensity of ambient light sensor sensing local environment, producing the corresponding signal of telecommunication in photoelectric switching circuit, this signal of telecommunication is amplified waiting and processes to obtain ambient light intensity by smart mobile phone.
In the present embodiment, in the built-in memory area of smart mobile phone, storage has the mapping relations of ambient light intensity and screen intensity, after smart mobile phone gets ambient light intensity, according to the screen intensity that the inquiry of these mapping relations is corresponding, i.e. object brightness, is then set to this object brightness by the screen intensity of smart mobile phone.
In the present embodiment, smart mobile phone screen is LCD (LiquidCrystalDisplay) display screen, in other embodiments of the present invention, smart mobile phone screen can also is that LED (LightEmittingDiode) display screen, OLED (OrganicLight-EmittingDiode) display screen etc..
S205, smart mobile phone obtains the brightness regulation amplitude corresponding with the distance between display screen and external object.
Specifically, in the built-in memory area of smart mobile phone, storage has the distance mapping relations with brightness regulation amplitude.After screen intensity is adjusted by smart mobile phone according to ambient light intensity, sending the instruction obtaining brightness regulation amplitude to processor, processor, according to the distance got in S202 and this mapping relations, inquires about the brightness regulation amplitude corresponding with this distance.
S206, smart mobile phone judges that whether this brightness regulation amplitude is more than predetermined threshold value.
Specifically, after smart mobile phone gets this brightness regulation amplitude, call the predetermined threshold value of storage in the built-in memory area of smart mobile phone, and calculate the difference between this brightness regulation amplitude and this predetermined threshold value by processor, when this difference is less than or equal to 0, it is judged that be not more than this predetermined threshold value for this brightness regulation amplitude;When this difference is more than 0, it is judged that for this brightness regulation amplitude more than this predetermined threshold value.
S207, screen intensity is adjusted by smart mobile phone according to this brightness regulation amplitude.
Specifically, smart mobile phone increases this brightness regulation amplitude as object brightness using current screen brightness, and the screen intensity of smart mobile phone is set to this object brightness.
In other embodiments of the invention, smart mobile phone can also reduce this brightness regulation amplitude as object brightness using current screen brightness, and the screen intensity of smart mobile phone is set to this object brightness.
S208, screen intensity is adjusted by smart mobile phone according to this predetermined threshold value.
Specifically, smart mobile phone increases this predetermined threshold value as object brightness using current screen brightness, and the screen intensity of smart mobile phone is set to this object brightness.
In other embodiments of the invention, smart mobile phone can also reduce this predetermined threshold value as object brightness using current screen brightness, and the screen intensity of smart mobile phone is set to this object brightness.
As from the foregoing, embodiments provide a kind of screen luminance adjustment method, brightness regulation request is received by smart mobile phone, according to the distance between this brightness regulation acquisition request smart mobile phone display screen and external object, and judge that whether this distance is more than predeterminable range, when being judged as YES, obtain the ambient light intensity being presently in environment, and according to this ambient light intensity, screen intensity is adjusted, obtain the brightness regulation amplitude corresponding with the distance between smart mobile phone display screen and external object subsequently, and judge that whether this brightness regulation amplitude is more than predetermined threshold value, when being judged as NO, according to this brightness regulation amplitude, screen intensity is adjusted, when being judged as YES, according to this predetermined threshold value, screen intensity is waken up with a start adjustment;The program is when the distance judged between smart mobile phone display screen and external object is more than predeterminable range, just according to ambient light intensity, smart mobile phone screen intensity is adjusted, and determine whether that whether the brightness regulation amplitude corresponding with this distance be more than predetermined threshold value, thus screen intensity being adjusted according to this distance or predetermined threshold value, in terms of existing technologies, the program has taken into full account multiple environmental factors, according to multiple environmental factors, smart mobile phone screen intensity is adjusted, and amplitude can be controlled to adjust, effectively raise the accuracy that smart mobile phone screen intensity regulates.
nullIn actual use,Owing to different user is different for the user demand of smart mobile phone,Even if in identical ambient light intensity,Different user is also different for the demand of smart mobile phone screen intensity,The user habit such as having closely uses smart mobile phone,And some user habits uses smart mobile phone at a distance,Or some user habit smart mobile phone screen intensitys are partially bright,And some user habit smart mobile phone screen intensitys is partially dark,Therefore in prior art,It is inadequate that smart mobile phone regulates, only according to ambient light intensity, the accuracy that the method for screen intensity causes screen intensity to regulate,It is difficult to meet user's request,And the screen luminance adjustment method that the embodiment of the present invention provides has taken into full account the distance two aspect factor between ambient light intensity and smart mobile phone display screen and external object,According to ambient light intensity and this distance, smart mobile phone screen intensity is adjusted,Improve the accuracy that smart mobile phone screen intensity regulates,Relative to prior art,More meet user's request.
Embodiment three
In order to implement above method better, the embodiment of the present invention also provides for a kind of screen brightness regulating device, this screen brightness regulating device can integrated in the terminal, this terminal specifically can include the equipment such as smart mobile phone, panel computer, notebook computer.
As shown in Figure 3 a, this screen brightness regulating device may include that receiver module the 301, first acquisition module 302, judge module the 303, first adjustment module 304, is described in detail below:
Receiver module 301, is used for receiving brightness regulation request;
First acquisition module 302, for according to the distance between this brightness regulation acquisition request terminal display screen and external object;
Judge module 303, is used for judging that whether this distance is more than predeterminable range;
When judge module 303 is judged as YES, this first acquisition module 302 is additionally operable to obtain the ambient light intensity of this terminal local environment;
First adjustment module 304, for being adjusted the screen intensity of this terminal according to this ambient light intensity.
Preferably, as shown in Figure 3 b, this screen brightness regulating device can also include: the second adjustment module 305;
This second adjustment module 305, for being adjusted the screen intensity of this terminal according to this distance.
Preferably, as shown in Figure 3 c, this second adjustment module 305 specifically includes: second obtains submodule 3051, the 3rd regulon module 3052;
This second acquisition submodule 3051, the brightness regulation amplitude corresponding for obtaining this distance;
3rd regulon module 3052, for being adjusted the screen intensity of this terminal according to this brightness regulation amplitude.
Preferably, the 3rd regulon module 3052 specifically for:
Judge that whether this brightness regulation amplitude is more than predetermined threshold value;
When being judged as NO, according to this brightness regulation amplitude, the screen intensity of this terminal is adjusted, when being judged as YES, according to this predetermined threshold value, the screen intensity of this terminal is adjusted.
As from the foregoing, embodiments provide a kind of screen brightness regulating device, brightness regulation request is received by receiver module 301, first acquisition module 302 is according to the distance between this brightness regulation acquisition request terminal display screen and external object, judge module 303 judges that whether this distance is more than predeterminable range, when this judge module 303 is judged as YES, first acquisition module 302 obtains the ambient light intensity of this terminal local environment, and the screen intensity of this terminal is adjusted by the first adjustment module 304 according to this ambient light intensity;The program may determine that whether the distance between terminal display screen and external object is more than predeterminable range, when more than predeterminable range, just according to ambient light intensity, the screen intensity of this terminal is adjusted, in terms of existing technologies, only terminal display screen and external object in a distance time just according to ambient light intensity, the screen intensity of this terminal is adjusted, and the distance between terminal display screen and external object within predeterminable range time screen luminance of terminal is not adjusted, screen intensity adjustment process has taken into full account this double factor of the distance between ambient light intensity and terminal display screen and external object, it is no longer solely according to ambient light intensity, screen luminance of terminal is adjusted, improve the accuracy that screen luminance of terminal regulates.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be by the hardware that program carrys out instruction relevant and completes, this program can be stored in a computer-readable recording medium, storage medium may include that read only memory (ROM, ReadOnlyMemory), random access memory (RAM, RandomAccessMemory), disk or CD etc..
A kind of the screen luminance adjustment method above embodiment of the present invention provided and device are described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention;Simultaneously for those skilled in the art, according to the thought of the present invention, all will change in detailed description of the invention and range of applications, in sum, this specification content should not be construed as limitation of the present invention.

Claims (10)

1. a screen luminance adjustment method, it is characterised in that including:
Reception brightness regulation is asked;
According to the distance between described brightness regulation acquisition request terminal display screen and external object;
Judge that whether described distance is more than predeterminable range;
If so, then obtain described terminal and be presently in the ambient light intensity of environment, and according to described ambient light intensity, the screen intensity of described terminal is adjusted.
2. screen luminance adjustment method according to claim 1, it is characterised in that after according to described ambient light intensity the screen intensity of described terminal being adjusted, described screen luminance adjustment method also includes:
According to described distance, the screen intensity of described terminal is adjusted.
3. screen luminance adjustment method according to claim 2, it is characterised in that the described step screen intensity of described terminal being adjusted according to described distance specifically includes:
Obtain the brightness regulation amplitude that described distance is corresponding;
According to described brightness regulation amplitude, the screen intensity of described terminal is adjusted.
4. screen luminance adjustment method according to claim 3, it is characterised in that the described step screen intensity of described terminal being adjusted according to described brightness regulation amplitude specifically includes:
Judge that whether described brightness regulation amplitude is more than predetermined threshold value;
If being judged as NO, then according to described brightness regulation amplitude, the screen intensity of described terminal is adjusted.
5. screen luminance adjustment method according to claim 4, it is characterised in that described method also includes:
When judging described brightness regulation amplitude more than described predetermined threshold value, according to described predetermined threshold value, the screen intensity of described terminal is adjusted.
6. screen luminance adjustment method according to claim 1, it is characterised in that the described step according to the distance between described brightness regulation acquisition request terminal display screen and external object specifically includes:
Measurement distance between terminal display screen and external object according to described brightness regulation acquisition request;
According to distance correction information, described measurement distance is modified, to obtain the distance between described terminal display screen and external object.
7. a screen brightness regulating device, including:
Receiver module, is used for receiving brightness regulation request;
First acquisition module, for according to the distance between described brightness regulation acquisition request terminal display screen and external object;
Judge module, is used for judging that whether described distance is more than predeterminable range;
Described first acquisition module, is additionally operable to, when described judge module is judged as YES, obtain described terminal and be presently in the ambient light intensity of environment;
First adjustment module, for being adjusted the screen intensity of described terminal according to described ambient light intensity.
8. screen brightness regulating device according to claim 7, it is characterised in that described device also includes:
Second adjustment module, for being adjusted the screen intensity of described terminal according to described distance.
9. screen brightness regulating device according to claim 8, it is characterised in that described second adjustment module specifically includes:
Second obtains submodule, the brightness regulation amplitude corresponding for obtaining described distance;
3rd regulon module, for being adjusted the screen intensity of described terminal according to described brightness regulation amplitude.
10. screen brightness regulating device according to claim 9, it is characterised in that described 3rd regulon module specifically for:
Judge that whether described brightness regulation amplitude is more than predetermined threshold value;
When being judged as NO, according to described brightness regulation amplitude, the screen intensity of described terminal is adjusted, when being judged as YES, according to described predetermined threshold value, the screen intensity of described terminal is adjusted.
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