CN105575334B

CN105575334B - A kind of screen luminance adjustment method and user terminal

Info

Publication number: CN105575334B
Application number: CN201510408609.7A
Authority: CN
Inventors: 朱先鹏; 王显林; 李建军
Original assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Current assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Priority date: 2015-07-10
Filing date: 2015-07-10
Publication date: 2018-11-06
Anticipated expiration: 2035-07-10
Also published as: CN105575334A

Abstract

The embodiment of the invention discloses a kind of screen luminance adjustment method and user terminals.Wherein, this method includes：The first environment light intensity value of current luminous environment is measured by the first light sensor, and the second environment light intensity value of current luminous environment is measured by the second light sensor；The brightness for adjusting the matched first backlight lamp source of first light sensor is consistent with the first environment light intensity value；Using the second environment light intensity value as foundation, in the correspondence between pre-stored ambient light intensity and backlight lamp source brightness, the brightness value of the corresponding backlight lamp source of the second environment light intensity value is inquired；The brightness for adjusting the matched second backlight lamp source of second light sensor is the brightness value.The accuracy to ambient light conditions testing result can be improved by implementing the embodiment of the present invention, meanwhile, improve the display effect of user terminal screen.

Description

A kind of screen luminance adjustment method and user terminal

Technical field

The present invention relates to intelligent terminal technical field more particularly to a kind of screen luminance adjustment method and user terminals.

Background technology

With the raising of fast development and the people's cultural life of user terminal (such as smart mobile phone, IPAD), Ren Menyue More like carrying out various amusement and recreation using user terminal, such as sees video, see novel, browsing webpage, play game.It is logical Often, the screen intensity of user terminal is a key factor for influencing user's viewing.When relatively strong (such as sun bottom of ambient light intensity Under) when, light is irradiated to user terminal screen and is reflected into human eye, it is easy to and so that user is not seen the content of screen display, When ambient light intensity dark (such as in night), the screen intensity of user terminal will become very dazzling.In order to not influence user Viewing, on user terminal the single backlight lamp source (such as LED light) of generally use and single light sensor come the brightness to screen into Row is adjusted.However, found in practice, since, only there are one light sensor, and device works equal reference power source on user terminal Error and shake, therefore, same light sensor different moments under same brightness may will detect that different knots Fruit, this makes in the case where ambient light conditions are constant, and the accuracy for the result that a light sensor detects is not high, in turn The display effect of screen will be made bad to adjust screen intensity according to the not high testing result of accuracy.

Invention content

An embodiment of the present invention provides a kind of screen luminance adjustment method and user terminals, can improve to ambient light conditions The accuracy of testing result, meanwhile, improve the display effect of user terminal screen.

First aspect of the embodiment of the present invention discloses a kind of screen luminance adjustment method, including：

The first environment light intensity value of current luminous environment is measured by the first light sensor, and is passed by the second light Sensor measures the second environment light intensity value of current luminous environment, wherein first light sensor is for measuring user terminal First direction ambient light intensity, second light sensor be used for measure the user terminal second direction environment Luminous intensity；

Adjust the brightness of the matched first backlight lamp source of first light sensor and the first environment light intensity value Unanimously；

Using the second environment light intensity value as foundation, between pre-stored ambient light intensity and backlight lamp source brightness Correspondence in, inquire the brightness value of the corresponding backlight lamp source of the second environment light intensity value；

The brightness for adjusting the matched second backlight lamp source of second light sensor is the brightness value.

Second aspect of the embodiment of the present invention discloses a kind of user terminal, including：

Measuring unit, the first environment light intensity value for measuring current luminous environment by the first light sensor, and The second environment light intensity value of current luminous environment is measured by the second light sensor, wherein first light sensor is used In the ambient light intensity for the first direction for measuring user terminal, second light sensor is for measuring the user terminal The ambient light intensity of second direction；

Adjust unit, the brightness and described first for adjusting the matched first backlight lamp source of first light sensor Environmental light intensity angle value is consistent；

Query unit, for using the second environment light intensity value as foundation, from pre-stored ambient light intensity and carrying on the back In correspondence between light lamp source brightness, the brightness value of the corresponding backlight lamp source of the second environment light intensity value is inquired；

The adjusting unit, the brightness for being additionally operable to adjust the matched second backlight lamp source of second light sensor is institute State brightness value.

In the embodiment of the present invention, user terminal measures the first environment light intensity of current luminous environment by the first light sensor Angle value, and measure by the second light sensor the second environment light intensity value of current luminous environment, wherein the first light level Device is used to measure the ambient light intensity of the first direction of user terminal, and the second light sensor is for measuring the second of user terminal The ambient light intensity in direction；Further, user terminal adjusts the brightness of the matched first backlight lamp source of the first light sensor It is consistent with first environment light intensity value, using second environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between lamp source brightness, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value, and adjust the The brightness of the matched second backlight lamp source of two light sensors is brightness value.Through the embodiment of the present invention, when user terminal passes through First light sensor measures first environment light intensity value and measures second environment light intensity by the second light sensor After angle value, the brightness that user terminal adjusts the first backlight lamp source is consistent with first environment light intensity value, in this way, the first backlight The reflected light that source can generate a backlight and be mapped to the screen of user terminal to eliminate the ambient lighting of first direction and generate It is influenced caused by human eye watches screen, further, the brightness that user terminal adjusts the second backlight lamp source is the inquired The brightness value of the corresponding backlight lamp source of two environmental light intensity angle value, in this way, the second backlight lamp source can generate a backlight to adjust Save user terminal screen intensity to meet human eye receiving optimal brightness.As it can be seen that the embodiment of the present invention is passed using two light Sensor can not only improve accuracy of the user terminal to ambient light conditions testing result, at the same time it can also improve user terminal The display effect of screen.

Description of the drawings

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.

Fig. 1 is a kind of flow diagram of screen luminance adjustment method disclosed by the embodiments of the present invention；

Fig. 2 is a kind of circuit theory schematic diagram of user terminal disclosed by the embodiments of the present invention；

Fig. 3 is that a kind of light of ambient light irradiation user terminal screen disclosed by the embodiments of the present invention propagates schematic diagram.

Fig. 4 is the flow diagram of another screen luminance adjustment method disclosed by the embodiments of the present invention；

Fig. 5 is the flow diagram of another screen luminance adjustment method disclosed by the embodiments of the present invention；

Fig. 6 is a kind of structural schematic diagram of user terminal disclosed by the embodiments of the present invention；

Fig. 7 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention；

Fig. 8 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a kind of screen luminance adjustment method and user terminals, can improve to ambient light conditions The accuracy of testing result, meanwhile, improve the display effect of user terminal screen.It is described in detail separately below.

In the embodiment of the present invention, user terminal can include but is not limited to smart mobile phone, tablet computer, laptop, Palm PC etc. user terminal.Wherein, the operating system of the user terminal may include but be not limited to Android operation system, IOS operating system, Symbian (Saipan) operating system, Black Berry (blackberry, blueberry) operating system, Windows Phone8 behaviour Make system etc., the embodiment of the present invention does not limit.

Fig. 1 is referred to, Fig. 1 is a kind of flow diagram of screen luminance adjustment method disclosed by the embodiments of the present invention.Such as Shown in Fig. 1, this method may comprise steps of.

S101, the first environment light intensity value that current luminous environment is measured by the first light sensor, and pass through second Light sensor measures the second environment light intensity value of current luminous environment.

In the embodiment of the present invention, user terminal measures the first environment light intensity of current luminous environment by the first light sensor Angle value, and measure by the second light sensor the second environment light intensity value of current luminous environment.Wherein, the first light level Device is used to measure the ambient light intensity of the first direction of user terminal, and the second light sensor is for measuring the second of user terminal The ambient light intensity in direction, current luminous environment refer to the luminous environment of the ambient enviroment residing for current time user terminal, rather than All luminous environment of any moment.

In the embodiment of the present invention, user terminal is built-in, and there are two light sensors, i.e. the first light sensor and the second light Line sensor, wherein first light sensor and the second light sensor are located at the opposite face of user terminal, such as： First light sensor is located at the front (that face of user terminal screen) of user terminal, and the second light sensor is located at user terminal The back side (that face of user terminal rear cover), alternatively, the first light sensor is located at the back side of user terminal, the second light sensor Positioned at the front of user terminal, the embodiment of the present invention is not construed as limiting.

In the embodiment of the present invention, first direction and second direction are two different directions.For example, if the first light Sensor is located at the front of user terminal, and the second light sensor is located at the back side of user terminal, when user terminal screen towards When upper, the direction of the first light sensor is just facing up for user terminal, and the direction of the second light sensor is just user The back side of terminal is downward, at this point, first direction is just the direction of user terminal to face up, second direction is just user terminal Back side downwardly direction；When user terminal screen downwards when, the direction of the first light sensor be just user terminal just Downwards, the direction of the second light sensor is just the back side up of user terminal, at this point, first direction is just user terminal The direction to face down, second direction are just the back side up direction of user terminal.It is apparent that the first light sensor measures Be the current luminous environment sensed in user terminal front first environment light intensity value, the second light sensor measure be In the second environment light intensity value for the current luminous environment that the user terminal back side senses.Due to the first light sensor and the second light Line sensor measurement is ambient light intensity in user terminal in two different sides of front and back, and different on user terminal How much the ambient light intensity in direction can have differences, therefore, in the embodiment of the present invention, the first ring of the first light sensor measurement Border light intensity value is not equal to the second environment light intensity value that the second light sensor measures.

S102, the brightness for adjusting the matched first backlight lamp source of the first light sensor and first environment light intensity value one It causes.

In the embodiment of the present invention, user terminal measures the first environment light of current luminous environment by the first light sensor Intensity value, and after measuring by the second light sensor the second environment light intensity value of current luminous environment, user terminal The brightness that the matched first backlight lamp source of the first light sensor can be adjusted is consistent with first environment light intensity value.Wherein, The brightness of first backlight lamp source consistent with first environment light intensity value can be the brightness value and first environment of the first backlight lamp source Light intensity value is identical, alternatively, the absolute value of the difference of the brightness value of the first backlight lamp source and first environment light intensity value is less than and presets Threshold value, the embodiment of the present invention are not construed as limiting.

In the embodiment of the present invention, each light sensor on user terminal can configure one group of backlight lamp source, i.e., and Matched one light sensor is the first backlight lamp source, and matched the second light sensor is the second backlight lamp source.First back of the body Light lamp source or the second backlight lamp source are used to generate a backlight to adjust the brightness of user terminal screen.Wherein, first back of the body Light lamp source or the second backlight lamp source may each comprise multiple LED light, and multiple LED light, which is cascaded, forms backlight lamp source.

It is a kind of circuit theory schematic diagram of user terminal disclosed by the embodiments of the present invention please also refer to Fig. 2, Fig. 2.From Fig. 2 can be seen that the first light sensor and sense the positive ambient light intensity of user terminal, i.e. front lighting, and the second light passes Sensor senses the ambient light intensity at the user terminal back side, i.e. back light, it could therefore be concluded that going out the first light sensor position In the front of user terminal, the second light sensor is located at the back side of user terminal.Each light sensor is one corresponding Backlight circuit, i.e. the first light sensor correspond to the first backlight circuit, and the second light sensor corresponds to the second backlight circuit.It is each A backlight circuit controls one group of backlight lamp source respectively, i.e. the first backlight circuit controls the first backlight lamp source, the second backlight circuit control Make the second backlight lamp source.All modules are controlled by CPU (central processing unit).The screen intensity of user terminal is the first backlight The brightness of lamp source and the sum of the brightness of the second backlight lamp source.

In the embodiment of the present invention, external environment luminous intensity sees that the influence of user terminal is mainly reflected in human eye and passes through screen Reflex.It is that a kind of ambient light disclosed by the embodiments of the present invention irradiates user terminal screen please also refer to Fig. 3, Fig. 3 Light propagates schematic diagram.As shown in figure 3, ambient lighting is mapped on the screen of user terminal, due to the reflex of screen, environment Light will be converted into reflected light and be incident in human eye, meanwhile, the backlight lamp source built in user terminal also will produce backlight and be incorporated to It is mapped in human eye.And be incident on the backlight in human eye and be only the light needed when user's viewing user terminal, it is incident on human eye Reflected light is equivalent to interference.When intensity of reflected light is more than backlight illumination, reflected light is occupied an leading position, and human eye is not just seen at this time Content in Chu's user terminal screen.This explains why at ambient light intensity relatively strong (such as under the sun), light shines It is mapped to user terminal screen and is reflected into human eye, it is easy to the phenomenon that making user not see screen display content.

In the embodiment of the present invention, user terminal adjusts the brightness and the of the matched first backlight lamp source of the first light sensor After one environmental light intensity angle value is consistent, backlight and reflected light that human eye is experienced would not have prodigious contrast, in this way, first back of the body The ambient lighting that the backlight that light lamp source generates can eliminate first direction is mapped to the screen of user terminal and the reflected light that generates It is influenced caused by human eye watches screen.

S103, using second environment light intensity value as foundation, from pre-stored ambient light intensity and the brightness of backlight lamp source it Between correspondence in, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value.

In the embodiment of the present invention, user terminal measures the first environment light of current luminous environment by the first light sensor Intensity value, and after measuring by the second light sensor the second environment light intensity value of current luminous environment, user terminal It can be corresponding between pre-stored ambient light intensity and backlight lamp source brightness using second environment light intensity value as foundation In relationship, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value.

In the embodiment of the present invention, the correspondence between the ambient light intensity and backlight lamp source brightness can be by more in advance Secondary experiment obtains, wherein the corresponding backlight lamp source brightness of each ambient light intensity is to meet the receptible optimal brightness of human eye. Correspondence between the pre-stored ambient light intensity and backlight lamp source brightness may refer to such as the following table 1：

Table 1

Ambient light intensity	Backlight lamp source brightness
		a1	b1
a2	b2
		a3	b3
…	…

As it can be seen from table 1 the corresponding backlight lamp source brightness of each ambient light intensity (a1, a2, a3...) (b1, B2, b3...), wherein a1, a2, a3... and b1, b2, b3... are the number more than or equal to 0.

As an alternative embodiment, the sequencing of step S102 and step S103 can be exchanged, you can with elder generation Step S103 is executed, then executes step S102.

S104, the brightness for adjusting the matched second backlight lamp source of the second light sensor are brightness value.

In the embodiment of the present invention, user terminal the corresponding backlight lamp source of inquiry second environment light intensity value brightness value it Afterwards, the brightness that user terminal can adjust the matched second backlight lamp source of the second light sensor is the brightness value inquired.

In the embodiment of the present invention, for different ambient light conditions, usually there are one relatively comfortable brightness ranges for human eye, should Second backlight lamp source is used to generate one backlight to adjust the screen intensity of user terminal to the optimal brightness for meeting human eye and receiving.

In the method flow described in Fig. 1, user terminal measures the of current luminous environment by the first light sensor One environmental light intensity angle value, and measure by the second light sensor the second environment light intensity value of current luminous environment, wherein One light sensor is used to measure the ambient light intensity of the first direction of user terminal, and the second light sensor is for measuring user The ambient light intensity of the second direction of terminal；Further, user terminal adjusts matched first backlight of the first light sensor The brightness of lamp source is consistent with first environment light intensity value, using second environment light intensity value as foundation, from pre-stored ambient light In correspondence between intensity and backlight lamp source brightness, the brightness of the corresponding backlight lamp source of inquiry second environment light intensity value Value, and the brightness for adjusting the matched second backlight lamp source of the second light sensor is brightness value.Through the embodiment of the present invention, when with Family terminal measures first environment light intensity value by the first light sensor and measures by the second light sensor After two environmental light intensity angle value, the brightness that user terminal adjusts the first backlight lamp source is consistent with first environment light intensity value, in this way, First backlight lamp source can generate a backlight and be mapped to the screen of user terminal to eliminate the ambient lighting of first direction and produce Raw reflected light is influenced caused by human eye watches screen, and further, the brightness that user terminal adjusts the second backlight lamp source is The brightness value of the corresponding backlight lamp source of second environment light intensity value inquired, in this way, the second backlight lamp source can generate one A backlight is to adjust the screen intensity of user terminal to the optimal brightness for meeting human eye receiving.As it can be seen that the embodiment of the present invention uses Two light sensors can not only improve accuracy of the user terminal to ambient light conditions testing result, at the same time it can also carry The display effect of high user terminal screen.

Fig. 4 is referred to, Fig. 4 is the flow diagram of another screen luminance adjustment method disclosed by the embodiments of the present invention. As shown in figure 4, this method may comprise steps of.

S401, user terminal measure the first environment light intensity value of current luminous environment by the first light sensor, and The second environment light intensity value of current luminous environment is measured by the second light sensor.

S402, user terminal adjust brightness and the first environment light intensity of the matched first backlight lamp source of the first light sensor Angle value is consistent.

S403, user terminal are using second environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between the brightness of source, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value.

The brightness that S404, user terminal adjust the matched second backlight lamp source of the second light sensor is brightness value.

S405, user terminal every preset time detect the first light sensor measure first environment light intensity value whether It changes, and whether the second environment light intensity value that the second light sensor of detection measures changes.

In the embodiment of the present invention, external environment luminous intensity may change at any time, such as：User carry user terminal from Interior goes to outdoor, at this point, the ambient light conditions residing for user terminal just become outdoor lighting environment from Interior Illumination Environment, and compares Such as：At outdoor, the original weather that the sun is shining overcasts user suddenly, at this point, the ambient light conditions residing for user terminal Just become cloudy environment from sunlight.Therefore, the first environment light intensity that the first light sensor in user terminal measures The second environment light intensity value that angle value and the second light sensor measure may change in real time.User terminal can be every Preset time detects whether the first environment light intensity value that the first light sensor measures changes, and the second light of detection Whether the second environment light intensity value of sensor measurement changes.Wherein, which can be silent for client terminal system The time recognized, or time set by user, such as 2s, 30s, 1min, the embodiment of the present invention are not construed as limiting.

As an example it is assumed that preset time is 1min, it is 24 timesharing of 8 a.m., the first light in the client terminal system time The first environment light intensity value A1 of line sensor measurement, the second light sensor measure second environment light intensity value B1, with The family terminal system time reaches 8: 25 timesharing, the first environment light intensity value A2 that the first light sensor measures, and the second light passes The second environment light intensity value B2 that sensor measures, at this point, user terminal can compare A1 and A2, B1 and B2 are carried out pair Than the first environment light intensity value of the first light sensor measurement in detection current time (i.e. 8 points 25 minutes) user terminal is It is no to change, and detect whether the second environment light intensity value that the second light sensor measures changes.

S406, when detection either one or two of first environment light intensity value and second environment light intensity value do not occur When change, user terminal determines that current luminous environment does not change.

In the embodiment of the present invention, the principle of light sensor is exactly that the ambient light intensity that will be sensed is converted into voltage, warp It crosses AD conversion formation digital signal and re-sends to system, and many interference can be introduced in these conversion processes and form error (such as AD voltage fluctuations, light are converted to the error of electric signal), this results under identical environment same light level in a period of time There is fluctuations for the ambient light signal that device is read, and are generally carried out at mean filter to the digital signal in a period of time by software System is re-send to after reason, even if this fluctuation can not be completely eliminated in this way.In daily life, intelligent hand is used indoors When machine sees novel, ambient does not change but under the automatic adjustment of backlight illumination occasional, in this way, user experience will be very Difference.In the embodiment of the present invention, the first light sensor built in user terminal and the second light sensor increase data volume, lead to Cross two groups of data go identification external environment variation, so that it may with reduce itself error band come interference, it is also possible to judge be The no interference that there is the external world, such as indoor light flicker suddenly.

In the embodiment of the present invention, if user terminal detects first environment, light intensity value changes, and second environment Light intensity value does not change, alternatively, user terminal detects that first environment light intensity value does not change, and second environment light Intensity value changes, alternatively, user terminal detects that first environment light intensity value does not change, second environment light intensity value Also it does not change, user terminal is assured that current luminous environment does not change.

It should be noted that when detecting any of first environment light intensity value and second environment light intensity value not When changing, at this time it is considered that the ambient light to change in first environment light intensity value and second environment light intensity value Intensity value may be due to by certain interference caused by, such as：Any one light sensor noise of itself in user terminal Interference or indoor light flicker suddenly.

S407, when detecting first environment light intensity value and second environment light intensity value and changing, user terminal Determine that current luminous environment changes.

S408, user terminal calculate the first intensity rate of change of first environment light intensity value, and calculate second environment Second intensity rate of change of light intensity value.

In the embodiment of the present invention, when detection first environment light intensity value and second environment light intensity value change When, after user terminal determines that current luminous environment changes, user terminal can calculate the of first environment light intensity value One intensity rate of change, and calculate the second intensity rate of change of second environment light intensity value.

For example, first environment light intensity value A1, A2 measured with above-mentioned first light sensor, the second light level For second environment light intensity value B1, B2 that device measures, the first luminous intensity that user terminal calculates first environment light intensity value becomes Rate A%=| A2-A1 |/A1*100%, user terminal calculate the second intensity rate of change B%=of second environment light intensity value | B2-B1 |/B1*100%.

S409, the first intensity rate of change of user terminal pair and the summation of the second intensity rate of change are averaged, and will Average value is as object brightness regulation rate.

In the embodiment of the present invention, user terminal calculates the first intensity rate of change of first environment light intensity value, Yi Jiji After the second intensity rate of change for calculating second environment light intensity value, user terminal can to the first intensity rate of change and The summation of second intensity rate of change is averaged, and using average value as object brightness regulation rate.

For example, for the first intensity rate of change A%, the second intensity rate of change B%, object brightness regulation rate AB%=(A%+B%)/2.

If S410, current luminous environment changes refers to that first environment light intensity value and second environment light intensity value become Small, then user terminal turns down the brightness of the first backlight lamp source and the brightness of the second backlight lamp source according to object brightness regulation rate.

In the embodiment of the present invention, when first environment light intensity value and second environment light intensity value become small, show to work as The brightness of preceding luminous environment is dimmed, at this point, user terminal is after being calculated object brightness regulation rate, user terminal can be by The brightness of the first backlight lamp source and the brightness of the second backlight lamp source are turned down according to object brightness regulation rate.For example, with above-mentioned First environment light intensity value A1, A2 that first light sensor measures, the second environment luminous intensity that the second light sensor measures Value B1, B2, for object brightness regulation rate AB%, user terminal turns down the brightness value of the first backlight lamp source to A2*AB%, user Terminal turns down the brightness value of the second backlight lamp source to B2*AB%.

If S411, current luminous environment changes refers to that first environment light intensity value and second environment light intensity value become Greatly, then the brightness of the first backlight lamp source and the brightness of the second backlight lamp source are turned up according to object brightness regulation rate for user terminal.

In the embodiment of the present invention, when first environment light intensity value and second environment light intensity value become larger, show to work as The brightness of preceding luminous environment brightens, at this point, user terminal is after being calculated object brightness regulation rate, user terminal can be by The brightness of the first backlight lamp source and the brightness of the second backlight lamp source are turned up according to object brightness regulation rate.For example, with above-mentioned First environment light intensity value A1, A2 that first light sensor measures, the second environment luminous intensity that the second light sensor measures Value B1, B2, for object brightness regulation rate AB%, the brightness value of the first backlight lamp source is turned up to A2*AB%, user in user terminal The brightness value of the second backlight lamp source is turned up to B2*AB% in terminal.

If S412, current luminous environment changes refers to that first environment light intensity value becomes smaller, second environment light intensity value becomes Greatly, then user terminal turns down the brightness of the first backlight lamp source according to the first intensity rate of change, and becomes according to the second luminous intensity The brightness of the second backlight lamp source is turned up in rate；Alternatively, it refers to that first environment light intensity value becomes larger that if current luminous environment, which changes, Second environment light intensity value becomes smaller, then the brightness of the first backlight lamp source is turned up according to the first intensity rate of change for user terminal, with And the brightness of the second backlight lamp source is turned down according to the second intensity rate of change.

In the embodiment of the present invention, if it refers to that first environment light intensity value becomes smaller that current luminous environment, which changes, second environment Light intensity value becomes larger, at this point, user terminal can turn down the brightness of the first backlight lamp source according to the first intensity rate of change, and The brightness of the second backlight lamp source is turned up according to the second intensity rate of change, if alternatively, it refers to first that current luminous environment, which changes, Environmental light intensity angle value becomes larger, and second environment light intensity value becomes smaller, at this point, user terminal can be according to the first intensity rate of change tune The brightness of high first backlight lamp source, and turn down according to the second intensity rate of change the brightness of the second backlight lamp source.For example, User overturns the positive and negative of user terminal, and at this moment, the first environment light intensity value and second environment light intensity value of user terminal will It can change towards two opposite directions.

In the method flow described in Fig. 4, user terminal detects what the first light sensor measured every preset time Whether first environment light intensity value changes, and detection the second light sensor measure second environment light intensity value whether It changes, after the current luminous environment of determination changes, calculates the first intensity rate of change of first environment light intensity value, with And the second intensity rate of change of second environment light intensity value is calculated, to the first intensity rate of change and the second intensity variation Rate summation is averaged, and using average value as object brightness regulation rate, further, refers to if current luminous environment changes First environment light intensity value and second environment light intensity value become smaller, then user terminal turns down according to object brightness regulation rate The brightness of one backlight lamp source and the brightness of the second backlight lamp source；If it refers to first environment luminous intensity that current luminous environment, which changes, Value and second environment light intensity value become larger, then the bright of the first backlight lamp source is turned up according to object brightness regulation rate in user terminal The brightness of degree and the second backlight lamp source；If it refers to that first environment light intensity value becomes smaller that current luminous environment, which changes, the second ring Border light intensity value becomes larger, then user terminal turns down the brightness of the first backlight lamp source according to the first intensity rate of change, and according to The brightness of the second backlight lamp source is turned up in second intensity rate of change；Alternatively, it refers to first environment that if current luminous environment, which changes, Light intensity value becomes larger, and second environment light intensity value becomes smaller, then the first backlight is turned up according to the first intensity rate of change in user terminal The brightness of lamp source, and turn down according to the second intensity rate of change the brightness of the second backlight lamp source.Through the embodiment of the present invention, it uses Family terminal can detect whether first environment light intensity value changes in real time, and whether detection second environment light intensity value is sent out Raw to change, after determining that current environment changes, first back of the body is turned up or is turned down to the case where being changed according to current environment The brightness of light lamp source and the brightness of the second backlight lamp source, so as to improve the display effect of user terminal screen.

Fig. 5 is referred to, Fig. 5 is the flow diagram of another screen luminance adjustment method disclosed by the embodiments of the present invention. As shown in figure 5, this method may comprise steps of.

S501, user terminal measure the first environment light intensity value of current luminous environment by the first light sensor, and The second environment light intensity value of current luminous environment is measured by the second light sensor.

S502, user terminal adjust brightness and the first environment light intensity of the matched first backlight lamp source of the first light sensor Angle value is consistent.

S503, user terminal are using second environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between the brightness of source, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value.

The brightness that S504, user terminal adjust the matched second backlight lamp source of the second light sensor is brightness value.

S505, when detecting that any light sensor in the first light sensor and the second light sensor is blocked When object blocks, user terminal obtains the target environment light intensity value that the light sensor not being blocked by obstructions measures.

In the embodiment of the present invention, it is assumed that user terminal is placed on desktop to watch in user terminal shows by user Hold, at this point, the light sensor at the user terminal back side will be plugged, at this moment, the ring that the light sensor being plugged detects Border luminous intensity will be very low, at this point, the data for the environmental light intensity angle value that the light sensor being plugged detects are to user terminal The adjusting role of screen intensity is very small, and user terminal can directly acquire the light sensor not being blocked by obstructions The target environment light intensity value of measurement.

In the embodiment of the present invention, when detecting that the first light sensor is blocked by obstructions, and the second light sensor is not When being blocked by obstructions, what user terminal obtained is the target environment light intensity value that the second light sensor measures；When detecting Second light sensor is blocked by obstructions, and when the first light sensor is not blocked by obstructions, what user terminal obtained is The target environment light intensity value that first light sensor measures.Wherein, which can be that arbitrarily can be used for shutting out the light Substance, such as desktop, the hand etc. of user.

It should be noted that any light sensor in the first light sensor and the second light sensor is blocked Object blocks the user that can be understood as residing for any light sensor in the first light sensor and the second light sensor The surface of terminal is blocked by obstructions, or, it can be understood as appointing in the first light sensor and the second light sensor The non-surface (such as blocking user terminal every sky) of user terminal residing for one light sensor is blocked by obstructions.

S506, user terminal are using target environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between the brightness of source, the target brightness value of the corresponding backlight lamp source of inquiry target environment light intensity value.

In the embodiment of the present invention, when detecting that any light in the first light sensor and the second light sensor passes When sensor is blocked by obstructions, only there are one light sensors for user terminal acquiescence in action, i.e., are not blocked by obstructions Light sensor, at this point, the brightness that user terminal adjusts screen is mainly based upon the receptible optimal brightness of human eye.User terminal After getting target environment light intensity value, user terminal can be deposited using target environment light intensity value as foundation from advance In correspondence between the ambient light intensity and backlight lamp source brightness of storage, the corresponding backlight of inquiry target environment light intensity value The target brightness value in source.

The brightness regulation of the matched backlight lamp source of the light sensor not being blocked by obstructions is mesh by S507, user terminal Mark brightness value.

In the method flow described in Fig. 5, when detecting in the first light sensor and the second light sensor When any light sensor is blocked by obstructions, user terminal obtains the target that the light sensor not being blocked by obstructions measures Environmental light intensity angle value, further, using target environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between the brightness of source, the target brightness value of the corresponding backlight lamp source of inquiry target environment light intensity value, and will not The brightness regulation for the matched backlight lamp source of light sensor being blocked by obstructions is target brightness value, in this way, user terminal is just Screen intensity can be adjusted to meet the receptible optimal brightness of human eye, so as to improve the display effect of display screen.

The following is an embodiment of the apparatus of the present invention, and apparatus of the present invention embodiment is used to execute the side in the method for the present invention embodiment Method illustrates only for convenience of description and does not disclose, please refer to the relevant part of the embodiment of the present invention, particular technique details Above method embodiment of the present invention.

Fig. 6 is referred to, Fig. 6 is a kind of structural schematic diagram of user terminal disclosed by the embodiments of the present invention, as shown in fig. 6, The user terminal 600 may include：Measuring unit 601 adjusts unit 602 and query unit 603, wherein：

Measuring unit 601, the first environment light intensity value for measuring current luminous environment by the first light sensor, with And the second environment light intensity value of current luminous environment is measured by the second light sensor.

In the embodiment of the present invention, measuring unit 601 measures the first environment of current luminous environment by the first light sensor Light intensity value, and measure by the second light sensor the second environment light intensity value of current luminous environment.Wherein, the first light Sensor is used to measure the ambient light intensity of the first direction of user terminal, and the second light sensor is for measuring user terminal The ambient light intensity of second direction, current luminous environment refer to the luminous environment of the ambient enviroment residing for current time user terminal, and It is not all luminous environment of any moment.

Unit 602 is adjusted, brightness and first environment for adjusting the matched first backlight lamp source of the first light sensor Light intensity value is consistent.

In the embodiment of the present invention, measuring unit 601 measures the first ring of current luminous environment by the first light sensor Border light intensity value, and after measuring by the second light sensor the second environment light intensity value of current luminous environment, adjust Unit 602 can adjust brightness and the first environment light intensity value one of the matched first backlight lamp source of the first light sensor It causes.Wherein, the brightness of the first backlight lamp source it is consistent with first environment light intensity value can be the first backlight lamp source brightness value with First environment light intensity value is identical, alternatively, the absolute value of the difference of the brightness value and first environment light intensity value of the first backlight lamp source Less than predetermined threshold value, the embodiment of the present invention is not construed as limiting.

Query unit 603 is used for using second environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between lamp source brightness, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value.

In the embodiment of the present invention, measuring unit 601 measures the first ring of current luminous environment by the first light sensor Border light intensity value, and after measuring by the second light sensor the second environment light intensity value of current luminous environment, inquiry Unit 603 can using second environment light intensity value as foundation, from pre-stored ambient light intensity and the brightness of backlight lamp source it Between correspondence in, the brightness value of the corresponding backlight lamp source of inquiry second environment light intensity value.

Above-mentioned adjusting unit 602, the brightness for being additionally operable to adjust the matched second backlight lamp source of the second light sensor is bright Angle value.

In the embodiment of the present invention, brightness of the query unit 603 in the corresponding backlight lamp source of inquiry second environment light intensity value After value, the brightness that adjusting unit 602 can adjust the matched second backlight lamp source of the second light sensor inquires Brightness value.

Fig. 7 is referred to, Fig. 7 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.Wherein, Fig. 7 Shown in user terminal be to advanced optimize on the basis of user terminal shown in Fig. 6, with user shown in fig. 6 end End is compared, and user terminal shown in Fig. 7 can also include other than all units including user terminal shown in fig. 6：

Detection unit 604, for adjusting the bright of the adjusting matched second backlight lamp source of the second light sensor of unit 602 Degree is after brightness value, whether the first environment light intensity value that the measurement of the first light sensor is detected every preset time changes Become, and whether the second environment light intensity value that the second light sensor of detection measures changes.

In the embodiment of the present invention, external environment luminous intensity may change at any time, such as：User carry user terminal from Interior goes to outdoor, at this point, the ambient light conditions residing for user terminal just become outdoor lighting environment from Interior Illumination Environment, and compares Such as：At outdoor, the original weather that the sun is shining overcasts user suddenly, at this point, the ambient light conditions residing for user terminal Just become cloudy environment from sunlight.Therefore, the first environment light intensity that the first light sensor in user terminal measures The second environment light intensity value that angle value and the second light sensor measure may change in real time.Detection unit 604 can be with Detect whether the first environment light intensity value that the first light sensor measures changes every preset time, and detection second Whether the second environment light intensity value that light sensor measures changes.Wherein, which can be user terminal system The time for acquiescence of uniting, or time set by user, such as 2s, 30s, 1min, the embodiment of the present invention are not construed as limiting.

Determination unit 605, for detecting first environment light intensity value and second environment light intensity value when detection unit 604 Either one or two of when not changing, determine that current luminous environment does not change.

In the embodiment of the present invention, if detection unit 604 detects that first environment light intensity value changes, and the second ring Border light intensity value does not change, alternatively, detection unit 604 detects that first environment light intensity value does not change, and second Environmental light intensity angle value changes, alternatively, user terminal detects that first environment light intensity value does not change, second environment light Intensity value does not also change, and determination unit 605 is assured that current luminous environment does not change.

It should be noted that when detection unit 604 detects first environment light intensity value and second environment light intensity value Any of when not changing, at this time it is considered that occurring in first environment light intensity value and second environment light intensity value The environmental light intensity angle value of change may be due to by certain interference caused by, such as：Any one light level in user terminal The noise jamming or indoor light of device itself flicker suddenly.

As an alternative embodiment, above-mentioned determination unit 605, is additionally operable to detect the first ring when detection unit 604 When border light intensity value and second environment light intensity value change, determine that current luminous environment changes.

User terminal 600 shown in Fig. 7 can also include：

Computing unit 606, the first intensity rate of change for calculating first environment light intensity value, and calculate the second ring Second intensity rate of change of border light intensity value.

In the embodiment of the present invention, when detection unit 604 detects first environment light intensity value and second environment light intensity value When changing, after determination unit 605 determines that current luminous environment changes, computing unit 606 can calculate first First intensity rate of change of environmental light intensity angle value, and calculate the second intensity rate of change of second environment light intensity value.

Above-mentioned computing unit 606 is additionally operable to make even to the first intensity rate of change and the summation of the second intensity rate of change Mean value, and using average value as object brightness regulation rate.

Above-mentioned adjusting unit 602, it refers to first environment light intensity value and to be additionally operable to change in current luminous environment Two environmental light intensity angle value become hour, and brightness and the second backlight of the first backlight lamp source are turned down according to object brightness regulation rate The brightness in source.

In the embodiment of the present invention, when first environment light intensity value and second environment light intensity value become small, show to work as The brightness of preceding luminous environment is dimmed, at this point, computing unit 606 after object brightness regulation rate is calculated, adjusts unit 602 The brightness of the first backlight lamp source and the brightness of the second backlight lamp source can be turned down according to object brightness regulation rate.

As an alternative embodiment, above-mentioned adjusting unit 602 is additionally operable to change in current luminous environment refers to When first environment light intensity value and second environment light intensity value become larger, the first backlight is turned up according to object brightness regulation rate The brightness in source and the brightness of the second backlight lamp source.

In the embodiment of the present invention, when first environment light intensity value and second environment light intensity value become larger, show to work as The brightness of preceding luminous environment brightens, at this point, computing unit 606 after object brightness regulation rate is calculated, adjusts unit 602 The brightness of the first backlight lamp source and the brightness of the second backlight lamp source can be turned up according to object brightness regulation rate.

As an alternative embodiment, above-mentioned adjusting unit 602, being additionally operable to change in current luminous environment refers to First environment light intensity value becomes smaller, and when second environment light intensity value becomes larger, the first backlight is turned down according to the first intensity rate of change The brightness of lamp source, and the brightness according to the second intensity rate of change the second backlight lamp source of height-regulating；Alternatively,

Unit 602 is adjusted, it refers to that first environment light intensity value becomes larger to be additionally operable to change in current luminous environment, the second ring Border light intensity value becomes hour, the brightness of the first backlight lamp source is turned up according to the first intensity rate of change, and according to the second light intensity Degree change rate turns down the brightness of the second backlight lamp source.

In the embodiment of the present invention, if it refers to that first environment light intensity value becomes smaller that current luminous environment, which changes, second environment Light intensity value becomes larger, at this point, the brightness of the first backlight lamp source can be turned down according to the first intensity rate of change by adjusting unit 602, And the brightness of the second backlight lamp source is turned up according to the second intensity rate of change, if alternatively, current luminous environment changes and refers to First environment light intensity value becomes larger, and second environment light intensity value becomes smaller, at this point, adjusting unit 602 can be according to the first luminous intensity The brightness of the first backlight lamp source is turned up in change rate, and the brightness of the second backlight lamp source is turned down according to the second intensity rate of change.

Fig. 8 is referred to, Fig. 8 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.Wherein, Fig. 8 Shown in user terminal be to advanced optimize on the basis of user terminal shown in Fig. 7, with user shown in Fig. 7 end End is compared, and user terminal shown in Fig. 8 can also include other than all units including user terminal shown in Fig. 7：

Acquiring unit 607 is detected for working as in first light sensor and second light sensor When any light sensor is blocked by obstructions, the target environment light intensity that the light sensor not being blocked by obstructions measures is obtained Angle value.

In the embodiment of the present invention, it is assumed that user terminal is placed on desktop to watch in user terminal shows by user Hold, at this point, the light sensor at the user terminal back side will be plugged, at this moment, the ring that the light sensor being plugged detects Border luminous intensity will be very low, at this point, the data for the environmental light intensity angle value that the light sensor being plugged detects are to user terminal The adjusting role of screen intensity is very small, and acquiring unit 607 can directly acquire the light not being blocked by obstructions and pass The target environment light intensity value that sensor measures.

In the embodiment of the present invention, when detecting that the first light sensor is blocked by obstructions, and the second light sensor is not When being blocked by obstructions, what acquiring unit 607 obtained is the target environment light intensity value that the second light sensor measures；Work as detection It is blocked by obstructions to the second light sensor, and when the first light sensor is not blocked by obstructions, acquiring unit 607 obtains Be the first light sensor measure target environment light intensity value.Wherein, which can be that arbitrarily can be used for blocking The substance of light, such as desktop, the hand etc. of user.

Above-mentioned query unit 603 is additionally operable to using the target environment light intensity value as foundation, from pre-stored ambient light In correspondence between intensity and backlight lamp source brightness, the mesh of the corresponding backlight lamp source of the target environment light intensity value is inquired Mark brightness value.

In the embodiment of the present invention, when detecting that any light in the first light sensor and the second light sensor passes When sensor is blocked by obstructions, only there are one light sensors for user terminal acquiescence in action, i.e., are not blocked by obstructions Light sensor, at this point, the brightness that user terminal adjusts screen is mainly based upon the receptible optimal brightness of human eye.Acquiring unit 607 after getting target environment light intensity value, query unit 603 can using target environment light intensity value as foundation, from In correspondence between pre-stored ambient light intensity and backlight lamp source brightness, inquiry target environment light intensity value is corresponding The target brightness value of backlight lamp source.

Above-mentioned adjusting unit 602 is additionally operable to the bright of the matched backlight lamp source of the light sensor that will be blocked by obstructions Degree is adjusted to the target brightness value.

In the user terminal described in Fig. 6~Fig. 8, measuring unit 601 measures current light by the first light sensor The first environment light intensity value of environment, and measure by the second light sensor the second environment luminous intensity of current luminous environment Value, wherein the first light sensor is used to measure the ambient light intensity of the first direction of user terminal, and the second light sensor is used In the ambient light intensity for the second direction for measuring user terminal；Further, it adjusts unit 602 and adjusts the first light sensor The brightness for the first backlight lamp source matched is consistent with first environment light intensity value, and query unit 603 is with second environment light intensity value Foundation in the correspondence between pre-stored ambient light intensity and backlight lamp source brightness, inquires second environment luminous intensity It is worth the brightness value of corresponding backlight lamp source, adjusts unit 602 and adjust the bright of the matched second backlight lamp source of the second light sensor Degree is brightness value.Through the embodiment of the present invention, when measuring unit 601 measures first environment light intensity by the first light sensor Angle value and after measuring second environment light intensity value by the second light sensor, adjusts unit 602 and adjusts the first backlight The brightness of lamp source is consistent with first environment light intensity value, in this way, the first backlight lamp source can generate a backlight to eliminate The reflected light that the ambient lighting in one direction is mapped to the screen of user terminal and generates is influenced caused by human eye watches screen, into one Step ground, it is the corresponding backlight of second environment light intensity value inquired to adjust unit 602 and adjust the brightness of the second backlight lamp source The brightness value in source, in this way, the second backlight lamp source can generate a backlight to adjust the screen intensity of user terminal to meeting The optimal brightness that human eye receives.As it can be seen that the embodiment of the present invention uses two light sensors, user terminal pair can be not only improved The accuracy of ambient light conditions testing result, at the same time it can also improve the display effect of user terminal screen.

It should be noted that for each embodiment of the method above-mentioned, for simple description, therefore it is all expressed as to a system The combination of actions of row, but those skilled in the art should understand that, the application is not limited by the described action sequence, because For according to the application, certain some step can be performed in other orders or simultaneously.Secondly, those skilled in the art also should Know, embodiment described in this description belongs to preferred embodiment, involved action and unit not necessarily this Shen It please be necessary.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment Part, may refer to the associated description of other embodiment.

One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in computer read/write memory medium In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..

The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.

Claims

1. a kind of screen luminance adjustment method, which is characterized in that including：

The first environment light intensity value of current luminous environment is measured by the first light sensor, and passes through the second light sensor Measure the second environment light intensity value of current luminous environment, wherein first light sensor is used to measure the of user terminal The ambient light intensity in one direction, second light sensor are used to measure the environmental light intensity of the second direction of the user terminal Degree；

The brightness for adjusting the matched first backlight lamp source of first light sensor is consistent with the first environment light intensity value；

Using the second environment light intensity value as foundation, pair between pre-stored ambient light intensity and backlight lamp source brightness In should being related to, the brightness value of the corresponding backlight lamp source of the second environment light intensity value is inquired；

The brightness for adjusting the matched second backlight lamp source of second light sensor is the brightness value；

Detect whether the first environment light intensity value that first light sensor measures changes every preset time, And whether the second environment light intensity value that detection second light sensor measures changes；

When detection either one or two of the first environment light intensity value and the second environment light intensity value do not occur When change, determine that the current luminous environment does not change.

2. according to the method described in claim 1, it is characterized in that, the method further includes：

When detecting the first environment light intensity value and the second environment light intensity value changes, work as described in determination Preceding luminous environment changes；

The first intensity rate of change of the first environment light intensity value is calculated, and calculates the second environment light intensity value Second intensity rate of change；

First intensity rate of change and second intensity rate of change summation are averaged, and by the average value As object brightness regulation rate；

If it refers to the first environment light intensity value and the second environment light intensity value that the current luminous environment, which changes, Become smaller, then turns down the brightness of the first backlight lamp source and the second backlight lamp source according to the object brightness regulation rate Brightness.

3. according to the method described in claim 2, it is characterized in that, the method further includes：

If it refers to the first environment light intensity value and the second environment light intensity value that the current luminous environment, which changes, Become larger, then the brightness of the first backlight lamp source and the second backlight lamp source is turned up according to the object brightness regulation rate Brightness.

4. according to the method described in claim 2, it is characterized in that, the method further includes：

If it refers to that the first environment light intensity value becomes smaller that the current luminous environment, which changes, the second environment light intensity value Become larger, then turns down the brightness of the first backlight lamp source according to first intensity rate of change, and according to second light The brightness of the second backlight lamp source is turned up in change rate of strength；Alternatively,

If it refers to that the first environment light intensity value becomes larger that the current luminous environment, which changes, the second environment light intensity value Become smaller, then the brightness of the first backlight lamp source is turned up according to first intensity rate of change, and according to second light Change rate of strength turns down the brightness of the second backlight lamp source.

5. according to Claims 1 to 4 any one of them method, which is characterized in that the method further includes：

When detecting that any light sensor in first light sensor and second light sensor is blocked When object blocks, the target environment light intensity value that the light sensor not being blocked by obstructions measures is obtained；

Using the target environment light intensity value as foundation, pair between pre-stored ambient light intensity and backlight lamp source brightness In should being related to, the target brightness value of the corresponding backlight lamp source of the target environment light intensity value is inquired；

It is the target brightness value by the brightness regulation of the matched backlight lamp source of the light sensor not being blocked by obstructions.

6. a kind of user terminal, which is characterized in that including：

Measuring unit, the first environment light intensity value for measuring current luminous environment by the first light sensor, and pass through Second light sensor measures the second environment light intensity value of current luminous environment, wherein first light sensor is for surveying The ambient light intensity of the first direction of user terminal is measured, second light sensor is for measuring the second of the user terminal The ambient light intensity in direction；

Unit is adjusted, the brightness for adjusting the matched first backlight lamp source of first light sensor and the first environment Light intensity value is consistent；

Query unit is used for using the second environment light intensity value as foundation, from pre-stored ambient light intensity and backlight In correspondence between the brightness of source, the brightness value of the corresponding backlight lamp source of the second environment light intensity value is inquired；

The adjusting unit, the brightness for being additionally operable to adjust the matched second backlight lamp source of second light sensor is described bright Angle value；

Detection unit, the brightness for adjusting the matched second backlight lamp source of second light sensor in the adjusting unit After the brightness value, the first environment light intensity value that first light sensor measures is detected every preset time Whether change, and whether the second environment light intensity value that detection second light sensor measures changes Become；

Determination unit, for detecting the first environment light intensity value and the second environment luminous intensity when the detection unit When either one or two of value does not change, determine that the current luminous environment does not change.

7. user terminal according to claim 6, which is characterized in that

The determination unit is additionally operable to detect the first environment light intensity value and the second environment when the detection unit When light intensity value changes, determine that the current luminous environment changes；

The user terminal further includes：

Computing unit, the first intensity rate of change for calculating the first environment light intensity value, and calculate described second Second intensity rate of change of environmental light intensity angle value；

The computing unit is additionally operable to make even to first intensity rate of change and second intensity rate of change summation Mean value, and using the average value as object brightness regulation rate；

The adjusting unit is additionally operable to when the current luminous environment changes refer to the first environment light intensity value and institute State second environment light intensity value and become hour, according to the object brightness regulation rate turn down the brightness of the first backlight lamp source with And the brightness of the second backlight lamp source.

8. user terminal according to claim 7, which is characterized in that the adjusting unit is additionally operable to work as the current ring of light Border, which changes, refers to the first environment light intensity value and when the second environment light intensity value becomes larger, according to the mesh The brightness of the first backlight lamp source and the brightness of the second backlight lamp source is turned up in mark brightness regulation rate.

9. user terminal according to claim 7, which is characterized in that

The adjusting unit is additionally operable to when the current luminous environment changes refer to that the first environment light intensity value becomes smaller, When the second environment light intensity value becomes larger, the bright of the first backlight lamp source is turned down according to first intensity rate of change It spends, and the brightness of the second backlight lamp source is turned up according to second intensity rate of change；Alternatively,

The adjusting unit is additionally operable to when the current luminous environment changes refer to that the first environment light intensity value becomes larger, The second environment light intensity value becomes hour, and the bright of the first backlight lamp source is turned up according to first intensity rate of change It spends, and turns down the brightness of the second backlight lamp source according to second intensity rate of change.

10. according to claim 6~9 any one of them user terminal, which is characterized in that the user terminal further includes：

Acquiring unit, for working as any light detected in first light sensor and second light sensor When sensor is blocked by obstructions, the target environment light intensity value that the light sensor not being blocked by obstructions measures is obtained；

The query unit, is additionally operable to using the target environment light intensity value as foundation, from pre-stored ambient light intensity with In correspondence between backlight lamp source brightness, the object brightness of the corresponding backlight lamp source of the target environment light intensity value is inquired Value；

The adjusting unit, the brightness regulation for being additionally operable to the matched backlight lamp source of the light sensor that will be blocked by obstructions are The target brightness value.