CN108494936A - A kind of detection method of luminous intensity, mobile terminal - Google Patents
A kind of detection method of luminous intensity, mobile terminal Download PDFInfo
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- CN108494936A CN108494936A CN201810140475.9A CN201810140475A CN108494936A CN 108494936 A CN108494936 A CN 108494936A CN 201810140475 A CN201810140475 A CN 201810140475A CN 108494936 A CN108494936 A CN 108494936A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a kind of detection method of luminous intensity, mobile terminal, this method is applied to mobile terminal, is located on the inside of the screen of the mobile terminal for detecting the optical sensor of ambient light intensity in mobile terminal, this method includes：Determine the detected value that the luminous intensity to environment where mobile terminal is detected；According to mobile terminal in the display content of particular display area, the optical signature information of the display content of particular display area is determined；According to optical signature information, determine that mobile terminal generates the detection of luminous intensity in display the interference value of interference；According to detected value and interference value, the actual light intensity degree of environment where determining mobile terminal.In this way, by mobile terminal the display content of particular display area optical signature information, the luminous intensity detected value of mobile terminal is compensated, the actual light intensity degree of environment where mobile terminal can be obtained, to improve the accuracy in detection to ambient light intensity where mobile terminal.
Description
Technical field
The present invention relates to intelligent terminal field more particularly to a kind of detection method of luminous intensity, mobile terminals.
Background technology
With the rapid development of science and technology, there are various mobile terminals, for example, smart mobile phone, iPad etc..
In general, optical sensor can be set in these mobile terminals, the light of environment where which can be used for detecting mobile terminal
Intensity, and the backlight illumination of mobile terminal screen is adjusted according to testing result, and then to the screen intensity of mobile terminal
It is adjusted so that user can check the content shown on mobile terminal screen under more suitable screen intensity.
In general, the optical sensor in mobile terminal can be arranged in the outside of mobile terminal screen, in this way, optical sensor can
Easily to detect the luminous intensity of mobile terminal place environment.However, with the design requirement to mobile terminal large screen, it is more next
Optical sensor is arranged in the inside of screen for more mobile terminal selections, to save space, realizes the mobile terminal of large screen.
But in practical applications, for the mobile terminal that optical sensor is located on the inside of screen, when optical sensor is examined
Where surveying mobile terminal when the luminous intensity of environment, the light that when screen display of mobile terminal sends out can be irradiated on optical sensor,
To influence the testing result of optical sensor, cause the accuracy of the testing result of optical sensor relatively low.
Invention content
The embodiment of the present invention provides a kind of detection method of luminous intensity, mobile terminal, the light for solving to work as mobile terminal
When sensor is located on the inside of screen, the light that screen is sent out can influence the testing result of optical sensor, lead to the detection of optical sensor
As a result the relatively low problem of accuracy.
In a first aspect, providing a kind of detection method of luminous intensity, the method is applied to mobile terminal, described mobile whole
It is located on the inside of the screen of the mobile terminal for detecting the optical sensor of ambient light intensity in end, the method includes：
Determine the detected value that the luminous intensity to environment where the mobile terminal is detected；
According to the mobile terminal particular display area display content, in the display for determining the particular display area
The optical signature information of appearance, the particular display area are that the mobile terminal generates the detection of the luminous intensity in display
The region of interference, the optical signature information include the display brightness, described specific of the display content of the particular display area
The gray value of corresponding multiple first sub-pixels of display content of display area, the gray value of multiple second sub-pixels and multiple
The gray value of third sub-pixel；
According to the optical signature information, it is dry to determine that the mobile terminal generates the detection of the luminous intensity in display
The interference value disturbed；
According to the detected value and the interference value, the actual light intensity degree of environment where determining the mobile terminal.
Second aspect provides a kind of mobile terminal, is used to detect the light sensing of ambient light intensity in the mobile terminal
Device is located on the inside of the screen of the mobile terminal, and the mobile terminal includes：
Detection module determines the detected value that the luminous intensity to environment where the mobile terminal is detected；
First determining module determines described specific aobvious according to the mobile terminal in the display content of particular display area
Show the optical signature information of the display content in region, the particular display area is for the mobile terminal in display to the light
The detection of intensity generates the region of interference, and the optical signature information includes the display of the display content of the particular display area
Brightness, the gray value of corresponding multiple first sub-pixels of display content of the particular display area, multiple second sub-pixels
The gray value of gray value and multiple third sub-pixels；
Second determining module determines the mobile terminal in display to the light intensity according to the optical signature information
The detection of degree generates the interference value of interference；
Compensating module, according to the detected value and the interference value, the reality of environment where determining the mobile terminal
Luminous intensity.
The third aspect provides a kind of mobile terminal, including：It memory, processor and is stored on the memory simultaneously
The computer program that can be run on the processor realizes such as first party when the computer program is executed by the processor
The step of method described in face.
Fourth aspect provides a kind of computer readable storage medium, which is characterized in that the computer-readable storage medium
It is stored with computer program in matter, the step of method as described in relation to the first aspect is realized when the computer program is executed by processor
Suddenly.
Above-mentioned at least one technical solution used in the embodiment of the present invention can reach following advantageous effect：
Technical solution provided in an embodiment of the present invention, in environment where the mobile terminal being located on the inside of screen to optical sensor
Luminous intensity when being detected, determine the detected value that the luminous intensity to environment where the mobile terminal is detected；Root
According to the mobile terminal in the display content of particular display area, determine that the optics of the display content of the particular display area is special
Reference ceases, and the particular display area is the area that the mobile terminal generates the detection of the luminous intensity in display interference
Domain, the optical signature information include the display brightness of the display content of the particular display area, the particular display area
The gray value of corresponding multiple first sub-pixels of display content, the gray value of multiple second sub-pixels and multiple third pictures
The gray value of element；According to the optical signature information, determine that the mobile terminal produces the detection of the luminous intensity in display
The interference value of raw interference；According to the detected value and the interference value, the practical light of environment where determining the mobile terminal
Intensity.In this way, by mobile terminal the display content of particular display area optical signature information, to the light intensity of mobile terminal
Degree detected value compensates, the actual light intensity degree of environment where can obtaining mobile terminal, to improve to where mobile terminal
The accuracy in detection of ambient light intensity.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the side view of one embodiment of the present of invention mobile terminal；
Fig. 2 is the flow diagram of the detection method of one embodiment of the present of invention luminous intensity；
Fig. 3 is the schematic diagram that one embodiment of the present of invention compensates the detected value of luminous intensity；
Fig. 4 is the structural schematic diagram of one embodiment of the present of invention mobile terminal；
A kind of hardware architecture diagram of Fig. 5 mobile terminals of each embodiment to realize the present invention.
Specific implementation mode
For the mobile terminal that optical sensor is located on the inside of screen, optical sensor is detecting environment where mobile terminal
Luminous intensity when, the light that the screen of mobile terminal is sent out can be irradiated on optical sensor, to influence the detection knot of optical sensor
Fruit causes the accuracy in detection of optical sensor relatively low.
Specifically, in normal use mobile terminal, the ambient light of environment can be exposed to through screen where mobile terminal
On optical sensor, meanwhile, the screen light that when screen display sends out can also expose on optical sensor.In this way, optical sensor is being examined
When surveying the luminous intensity of ambient light, since ambient light and screen light can be irradiated on optical sensor simultaneously, optical sensor is practical
The luminous intensity detected is by the luminous intensity comprising ambient light and the luminous intensity of screen light, that is to say, that the practical inspection of optical sensor
The luminous intensity measured is not the luminous intensity of ambient light.In this way, since the screen light sent out when mobile terminal screen is shown influences
The testing result of optical sensor, causes the accuracy in detection of optical sensor relatively low.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of detection method of luminous intensity, mobile terminal, institute
It states method and is applied to mobile terminal, the optical sensor for being used to detect ambient light intensity in the mobile terminal is located at the movement eventually
On the inside of the screen at end, the method includes：Determine the inspection that the luminous intensity to environment where the mobile terminal is detected
Measured value；According to the mobile terminal in the display content of particular display area, the display content of the particular display area is determined
Optical signature information, it is dry that the particular display area is that the mobile terminal generates the detection of the luminous intensity in display
The region disturbed, the optical signature information include the display brightness, described specific aobvious of the display content of the particular display area
Show the gray value of corresponding multiple first sub-pixels of the display content in region, the gray value of multiple second sub-pixels and multiple
The gray value of three sub-pixels；According to the optical signature information, determine the mobile terminal in display to the luminous intensity
Detection generates the interference value of interference；According to the detected value and the interference value, environment where determining the mobile terminal
Actual light intensity degree.
In this way, when the luminous intensity of environment where the mobile terminal being located on the inside of screen to optical sensor is detected, lead to
Mobile terminal is crossed in the optical signature information of the display content of particular display area, the luminous intensity detected value of mobile terminal is carried out
Compensation, the actual light intensity degree of environment where mobile terminal can be obtained, to improve to ambient light intensity where mobile terminal
Accuracy in detection.
Technical solution of the present invention is carried out clearly and completely below in conjunction with the specific embodiment of the invention and corresponding attached drawing
Description.Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It should be noted that in the embodiment of the present invention, the mobile terminal refers to the light intensity of environment where can detecting
The terminal of degree, for example, smart mobile phone, iPad etc..Device (example for detecting luminous intensity can be installed in the mobile terminal
Such as, optical sensor), and the device of the detection luminous intensity is located on the inside of the screen of the mobile terminal.The embodiment of the present invention carries
The technical solution of confession can carry out the ambient light intensity testing result of the device of the detection luminous intensity on the inside of screen
Compensation, the actual light intensity degree of environment where obtaining the mobile terminal.The embodiment of the present invention is with the device of the detection luminous intensity
To be illustrated for optical sensor.
The mobile terminal described in the embodiment of the present invention can also include：Diffusion sheet, the diffusion sheet can be located at
Between the screen of the mobile terminal and the optical sensor of the mobile terminal, the light that specifically can be used for sending out the screen
And it is uniformly diffused on the optical sensor through the ambient light of the screen.
Fig. 1 is the side view of one embodiment of the present of invention mobile terminal.Mobile terminal shown in FIG. 1 can include glass
Substrate 11, screen 12, diffusion sheet 13, optical sensor 14 and mainboard 15, wherein optical sensor 14 is located at screen 12 and mainboard 15
Between the inside of screen 12 (be located at), diffusion sheet 13 can will specifically expose between screen 12 and optical sensor 14
Screen light a and transmission screen 12 on optical sensor 14 expose to the ambient light b homogenization on optical sensor 14 so that these
Light can be on uniform irradiation to optical sensor 14.
The technical solution provided below in conjunction with attached drawing, each embodiment that the present invention will be described in detail.
Fig. 2 is the flow diagram of the detection method of one embodiment of the present of invention luminous intensity.The method can be applied
In the mobile terminal that optical sensor is located on the inside of screen, environment where the optical sensor is used to detect the mobile terminal
Luminous intensity.The method is as described below.
Step 202：Determine the detected value that the luminous intensity to environment where the mobile terminal is detected.
In step 202, for the mobile terminal that optical sensor is located on the inside of screen, in the mistake using mobile terminal
Cheng Zhong can be detected the luminous intensity of environment where mobile terminal by optical sensor, and detect and obtain to the movement
The detected value of the luminous intensity of environment where terminal.
In the embodiment of the present invention, since the screen light that screen is sent out when the mobile terminal is shown can influence the light sensing
The testing result of device, therefore, the detected value are not the actual light intensity degree of environment where the mobile terminal.
After determination obtains the detected value of the luminous intensity of environment where the mobile terminal, step 204 can be executed.
Step 204：According to the mobile terminal in the display content of particular display area, the particular display area is determined
Display content optical signature information.
In step 204, after determination obtains the detected value of the luminous intensity of environment where the mobile terminal, it may be determined that
The mobile terminal determines the optical signature information of the display content currently in the display content of particular display area.
In the embodiment of the present invention, the particular display area is inspection of the mobile terminal in display to the luminous intensity
Survey the region for generating interference.It should be noted that due in practical applications, the optical sensor on the inside of the mobile terminal screen
Shared region is smaller, and for the mobile terminal in display, the screen light that the particular display area of only screen is sent out can be right
The testing result of the optical sensor has an impact, and therefore, the embodiment of the present invention can be according to the aobvious of the particular display area
Show content, determine the optical signature information of the display content, in order to be compensated to the detected value.
In the display content for determining the particular display area, it may be determined that the particular display area.Specifically, may be used
It is determined as the particular display area with the corresponding display area of the screen light for being an actually-received the optical sensor.For example,
For the mobile terminal in display, the screen light that region A is sent out in the mobile terminal screen can be irradiated to the optical sensor
On, then, region A can be considered as the particular display area.Optionally, can also will be perpendicular on the direction of the screen with
The corresponding screen area of optical sensor is as the particular display area.
After determining the particular display area, it can be determined described specific according to the display content of the mobile terminal
The display content of display area.After determination obtains the display content of the particular display area, it may further determine that described
The optical signature information of the display content of particular display area.
In the embodiment of the present invention, the optical signature information can include the aobvious of the display content of the particular display area
Show brightness (screen intensity of the i.e. described particular display area), can also include the display content correspondence of the particular display area
Multiple pixels gray value.The multiple pixel can be the corresponding all pictures of display content of the particular display area
Element.
For each corresponding pixel of the display content of the particular display area, since each pixel can be with
Including the first sub-pixel, the second sub-pixel and third sub-pixel, therefore, the gray value of each pixel can include institute
State the gray value of the gray value of the first sub-pixel, the gray value of second sub-pixel and the third sub-pixel, i.e., it is described
Optical signature information can include the gray value of corresponding multiple first sub-pixels of display content of the particular display area, more
The gray value of the gray value of a second sub-pixel and multiple third sub-pixels.
In the embodiment of the present invention, first sub-pixel, second sub-pixel and the third sub-pixel can divide
It is not R (red) sub-pixel, G (green) sub-pixels and B (blue) sub-pixel.
After the optical signature information for determining the display content for obtaining the particular display area, step 206 can be executed.
Step 206：According to the optical signature information, inspection of the mobile terminal in display to the luminous intensity is determined
Survey the interference value for generating interference.
It in step 206, can be into one after the optical signature information for the display content for determining the particular display area
Step determines the mobile terminal, and in display, screen light is to the interference value of the detection of ambient light intensity, in order to the detected value
It compensates.
In the embodiment of the present invention, according to the optical signature information, determine the mobile terminal in display to the light
The detection of intensity generates the interference value of interference, may include：
According to the display brightness and the gray value of the multiple first sub-pixel, the multiple first sub-pixel is determined
The first intensity value under the display brightness；
According to the display brightness and the gray value of the multiple second sub-pixel, the multiple second sub-pixel is determined
The second intensity value under the display brightness；
According to the display brightness and the gray value of the multiple third sub-pixel, the multiple third sub-pixel is determined
Third intensity value under the display brightness；
According to first intensity value, second intensity value and the third intensity value, the mobile terminal is determined
The interference value of interference is generated to the detection of the luminous intensity in display.
For each corresponding pixel of the display content of the particular display area, since each pixel includes
The first sub-pixel, the second sub-pixel and third sub-pixel be independent from each other, therefore, the embodiment of the present invention can be from first
Sub-pixel, the second sub-pixel and the aspect of third sub-pixel three determine obtain the multiple first sub-pixel, described more respectively
The interference volume that a second sub-pixel and the multiple third sub-pixel respectively generate the detection of the luminous intensity, and then obtain
The mobile terminal generates the detection of the luminous intensity in display the interference value of interference.
Specifically, it can be determined described more according to the display brightness and the gray value of the multiple first sub-pixel
First intensity value of a first sub-pixel under the display brightness, according to the display brightness and the multiple second sub- picture
The gray value of element, determines second intensity value of the multiple second sub-pixel under the display brightness, bright according to the display
The gray value of degree and the multiple three sub-pixel, determines that third of the multiple third sub-pixel under the display brightness is strong
Angle value.It, can be according to described after determination obtains first intensity value, second intensity value and the third intensity value
First intensity value, second intensity value and the third intensity value determine and obtain the mobile terminal in display to institute
The detection for stating luminous intensity generates the interference value of interference.
In the gray value according to the display brightness and the multiple first sub-pixel, the multiple first sub- picture is determined
When first intensity value of the element under the display brightness, may include：
According to the gray value of the multiple first sub-pixel, the equivalent gray value of the multiple first sub-pixel is determined；
According to the equivalent gray value and the gray value and intensity of predetermined the first sub-pixel under maximum brightness
Correspondence between value determines the intensity value corresponding with the equivalent gray value under the maximum brightness；
When being shown according to the corresponding intensity value of the equivalent gray value, the display brightness and the particular display area
Luminous intensity and brightness proportionality coefficient, determine first intensity of the multiple first sub-pixel under the display brightness
Value.
Since in practical applications, the particular display area is smaller, therefore, the embodiment of the present invention can be by the spy
Multiple first sub-pixels for determining display area are equivalent to first sub-pixel, and determine the first equivalent sub-pixel described
The interference volume (i.e. described first intensity value) that the detection of the luminous intensity is generated under display brightness.
Specifically, can be according to the gray value of multiple first sub-pixels, determination obtains an equivalent gray value, the equivalent ash
Angle value can be considered as the gray value of the first equivalent sub-pixel, and determine first intensity value according to the equivalent gray value.
It, can be using the average value of the gray value of multiple first sub-pixels as the equivalent ash in the embodiment of the present invention
Angle value；It can also be using the r.m.s. of the gray value of multiple first sub-pixels as the equivalent gray value；It can also will be more
The median of the gray value of a first sub-pixel is as the equivalent gray value.Here described to determination equivalent gray value
Specific method does not limit.
For example, the particular display area can include 30 × 30 pixels, can include 30 in 30 × 30 pixels ×
The gray value of 30 the first sub-pixel R, each the first sub-pixel R can be indicated by R [m] [n].So, the equivalent gray scale
Value can be the average value of the gray value of 30 × 30 the first sub-pixel R, and can be calculated by following formula：
Wherein, r is the equivalent gray value.
It, can be according to the equivalent gray value and pre- after the method based on above-mentioned record obtains the equivalent gray value
The correspondence under maximum brightness between the gray value and intensity value of the first sub-pixel first determined is determined described most light
The lower intensity value corresponding with the equivalent gray value of degree, the intensity value can be considered as multiple first in the particular display area
The luminous intensity that sub-pixel generates under the maximum brightness.Wherein, the maximum brightness can be 225.
Correspondence of the embodiment of the present invention in the case where determining maximum brightness between the gray value and intensity value of the first sub-pixel
When, with first sub-pixel for R pixels, second sub-pixel is G pixels, and the third sub-pixel is tool for B pixels
Body may include：
Under the maximum brightness, the particular display area is enabled to show pure red, even in the particular display area
The gray value all same of the gray value of all second sub-pixels and all third sub-pixels and be zero.Institute
When stating particular display area and showing pure red, determine first sub-pixel in different gray value (between 0 to 225, including 0
Under 255), the luminous intensity that the particular display area generates, in this way, for the gray value of each first sub-pixel
Can determine whether to obtain corresponding intensity value, may finally obtain under the maximum brightness, the gray value of first sub-pixel with
Correspondence between intensity value.
The corresponding pass under the maximum brightness between the gray value and intensity value of first sub-pixel is obtained determining
After system, when determination obtains the equivalent gray value, the equivalent gray value can be matched with the correspondence, in turn
It determines and obtains the corresponding intensity value of the equivalent gray value under the maximum brightness.
It should be noted that since the corresponding intensity value of the equivalent gray value is for the maximum brightness,
Therefore, in order to determine that obtain the equivalent gray value corresponding under the display brightness of the display content of the particular display area
Intensity value (i.e. described first intensity value), it is also necessary to determine the ratio of the luminous intensity and brightness when the particular display area display
Coefficient, and the equivalent gray value is corresponding according to the proportionality coefficient, the display brightness and under the maximum brightness
Intensity value, determination obtain first intensity value of the multiple first sub-pixel under the display brightness.
Specifically, the luminous intensity due to the mobile terminal in display and the screen intensity of the mobile terminal are direct ratios
Example relationship (luminous intensity and brightness when the i.e. described particular display area is shown are proportional relationships), therefore, is determining the ratio
When example coefficient, the luminous intensity that the particular display area generates at different brightnesses can be measured in darkroom, and then obtain institute
State proportionality coefficient.
For example, when the brightness of the particular display area is L1, the luminous intensity that the particular display area generates is W1,
When the brightness of the particular display area is L2, the luminous intensity that the particular display area generates is W2, then, the ratio system
Number can determine to obtain by following formula：
Wherein, a is the proportionality coefficient.
It should be noted that in practical applications, proportionality coefficient described in different mobile terminals may be different, for each
A mobile terminal can determine proportionality coefficient by the method for above-mentioned record.
Determine obtain the proportionality coefficient after, according to the proportionality coefficient, the display brightness and it is described most
When the corresponding intensity value of the equivalent gray value determines first intensity value under big brightness, can calculate the proportionality coefficient,
The product of the display brightness and the corresponding intensity value of the equivalent gray value, and using the product as the multiple first
First intensity value of the sub-pixel under the display brightness, first intensity value can be used for characterizing the multiple first
Sub-pixel is under the display brightness to the interference volume of the detected value.
After determination obtains first intensity value of the multiple first sub-pixel under the display brightness, Ke Yitong
The method for crossing determination first intensity value of above-mentioned record determines the multiple second sub-pixel under the display brightness
The third intensity value of second intensity value and the multiple third sub-pixel under the display brightness, here not
Repeat description.
It, can basis after determination obtains first intensity value, second intensity value and the third intensity value
First intensity value, second intensity value and the third intensity value determine to obtain the mobile terminal in display pair
The detection of the luminous intensity generates the interference value of interference.
Specifically, it may be determined that first intensity value, second intensity value and the third intensity value sum, so
Afterwards by first intensity value, second intensity value and the third intensity value and be determined as the interference value.
In conclusion the embodiment of the present invention can determine to obtain the mobile terminal in display by following formula to institute
The detection for stating luminous intensity generates the interference value of interference：
C (t)=a × Br × r [255]+a × Br × g [255]+a × Br × b [255],
Wherein, C (t) is the interference value, and a is the proportionality coefficient, and Br is the display content of the particular display area
Display brightness, r [255] be the display content of the particular display area multiple first sub-pixels maximum brightness be 255
When the intensity value that generates, a × Br × r [255] is multiple first sub-pixels of the display content of the particular display area in institute
State first intensity value under display brightness.
Similarly, g [255] is that multiple second sub-pixels of the display content of the particular display area are in maximum brightness
The intensity value generated when 255, a × Br × g [255] are that multiple second sub-pixels of the display content of the particular display area exist
Second intensity value under the display brightness；B [255] is multiple thirds of the display content of the particular display area
The intensity value that pixel is generated when maximum brightness is 255, a × Br × b [255] is the display content of the particular display area
The third intensity value of multiple third sub-pixels under the display brightness.
After generating the interference value of interference to the detection of the luminous intensity when determining the mobile terminal in display, it can hold
Row step 208.
Step 208：According to the detected value and the interference value, the practical light of environment where determining the mobile terminal
Intensity.
In a step 208, the dry of interference is generated to the detection of the luminous intensity when determining the mobile terminal in display
After disturbing value, the detected value can be compensated using the interference value, and determine and obtain mobile terminal place environment
Actual light intensity degree.
According to the detected value and the interference value, the actual light intensity degree of environment where determining the mobile terminal can
To include：
Determine the difference of the detected value and the interference value；
The actual light intensity degree of environment where the difference is determined as the mobile terminal.
If for example, the detected value is A (t), the interference value is C (t), then can be determined to obtain institute according to following formula
The actual light intensity degree B (t) of environment where stating mobile terminal：
B (t)=A (t)-C (t).
Fig. 3 is the schematic diagram that one embodiment of the present of invention compensates the detected value of luminous intensity.
As shown in figure 3, ordinate y (t) is luminous intensity, abscissa t is the time, and A (t) is to ring where the mobile terminal
The detected value that the luminous intensity in border is detected, C (t) technical solutions based on the embodiment of the present invention determine to obtain
The mobile terminal display when to the luminous intensity detection generate interference interference value, using interference value C (t) to detection
After value A (t) is compensated, the actual light intensity degree B (t) of environment where the mobile terminal can be obtained.
In another embodiment provided by the invention, after the actual light intensity degree of environment where determining the mobile terminal,
The method further includes：
According to the actual light intensity degree, the screen intensity of the mobile terminal is adjusted.
That is, after determination obtains the actual light intensity degree of environment where the mobile terminal, it can be according to the reality
Border luminous intensity suitably adjusts the screen intensity of the mobile terminal so that can be using the user of the mobile terminal
The content shown on mobile terminal screen is checked under more suitable screen intensity, promotes user experience.
It should be noted that in practical applications, it can be right in real time with technical solution based on the embodiment of the present invention
The mobile terminal compensates the detected value of the luminous intensity of environment where it, and obtains mobile terminal place environment
Real-time actual light intensity degree, and then the screen intensity of the mobile terminal can be adjusted in real time according to the actual light intensity degree
It is whole so that can be in real time under more suitable screen intensity using described mobile whole using the user of the mobile terminal
End.
Technical solution provided in an embodiment of the present invention, in environment where the mobile terminal being located on the inside of screen to optical sensor
Luminous intensity when being detected, by mobile terminal the display content of particular display area optical signature information, to movement
The luminous intensity detected value of terminal compensates, the actual light intensity degree of environment where can obtaining mobile terminal, to improve to moving
The accuracy in detection of ambient light intensity where dynamic terminal.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the action recorded in detail in the claims or step can be come according to different from the sequence in embodiment
It executes and desired result still may be implemented.In addition, the process described in the accompanying drawings not necessarily require show it is specific suitable
Sequence or consecutive order could realize desired result.In some embodiments, multitasking and parallel processing be also can
With or it may be advantageous.
Fig. 4 is the structural schematic diagram of one embodiment of the present of invention mobile terminal.For detecting ring in the mobile terminal
The optical sensor of border luminous intensity is located on the inside of the screen of the mobile terminal, and the mobile terminal includes：Detection module 41, first
Determining module 42, the second determining module 43 and compensating module 44, wherein：
Detection module 41 determines the detected value that the luminous intensity to environment where the mobile terminal is detected；
First determining module 42 determines described specific according to the mobile terminal in the display content of particular display area
The optical signature information of the display content of display area, the particular display area is for the mobile terminal in display to described
The detection of luminous intensity generates the region of interference, and the optical signature information includes the aobvious of the display content of the particular display area
Show brightness, the particular display area corresponding multiple first sub-pixels of display content gray value, multiple second sub-pixels
Gray value and multiple third sub-pixels gray value；
Second determining module 43 determines the mobile terminal in display to the light according to the optical signature information
The detection of intensity generates the interference value of interference；
Compensating module 44, according to the detected value and the interference value, the reality of environment where determining the mobile terminal
Border luminous intensity.
Optionally, second determining module 43 determines that the mobile terminal is being shown according to the optical signature information
When to the luminous intensity detection generate interference interference value, including：
According to the display brightness and the gray value of the multiple first sub-pixel, the multiple first sub-pixel is determined
The first intensity value under the display brightness；
According to the display brightness and the gray value of the multiple second sub-pixel, the multiple second sub-pixel is determined
The second intensity value under the display brightness；
According to the display brightness and the gray value of the multiple third sub-pixel, the multiple third sub-pixel is determined
Third intensity value under the display brightness；
According to first intensity value, second intensity value and the third intensity value, the mobile terminal is determined
The interference value of interference is generated to the detection of the luminous intensity in display.
Optionally, second determining module 43 is according to the gray scale of the display brightness and the multiple first sub-pixel
Value, determines first intensity value of the multiple first sub-pixel under the display brightness, including：
According to the gray value of the multiple first sub-pixel, the equivalent gray value of the multiple first sub-pixel is determined；
According to the equivalent gray value and the gray value and intensity of predetermined the first sub-pixel under maximum brightness
Correspondence between value determines the intensity value corresponding with the equivalent gray value under the maximum brightness；
When being shown according to the corresponding intensity value of the equivalent gray value, the display brightness and the particular display area
Luminous intensity and brightness proportionality coefficient, determine first intensity of the multiple first sub-pixel under the display brightness
Value.
Optionally, second determining module 43 is according to first intensity value, second intensity value and described
Three intensity values determine that the mobile terminal generates the detection of the luminous intensity in display the interference value of interference, including：
Determine the sum of first intensity value, second intensity value and the third intensity value；
By first intensity value, second intensity value and the third intensity value and be determined as the interference
Value.
Optionally, the compensating module 44 determines the mobile terminal institute according to the detected value and the interference value
In the actual light intensity degree of environment, including：
Determine the difference of the detected value and the interference value；
The actual light intensity degree of environment where the difference is determined as the mobile terminal.
Optionally, the mobile terminal further includes：Brightness adjusting section 45, wherein：
The actual light intensity of environment where the brightness adjusting section 45 determines the mobile terminal in the compensating module 44
After degree, according to the actual light intensity degree, the screen intensity of the mobile terminal is adjusted.
Optionally, the mobile terminal further includes：Diffusion sheet 46, wherein：
The diffusion sheet 46 is located between the screen and the optical sensor of the mobile terminal, for sending out the screen
The ambient light of the light and the transmission screen that go out uniformly diffuses on the optical sensor.It specifically may refer to shown in FIG. 1
Description is not repeated herein in diffusion sheet.
Mobile terminal provided in an embodiment of the present invention can realize that mobile terminal is realized each in the embodiment of the method for Fig. 2
Process, to avoid repeating, which is not described herein again.In the embodiment of the present invention, at the mobile end being located to optical sensor on the inside of screen
When the luminous intensity of environment is detected where end, determine that the luminous intensity to environment where the mobile terminal is detected
Detected value；According to the mobile terminal particular display area display content, in the display for determining the particular display area
The optical signature information of appearance, the particular display area are that the mobile terminal generates the detection of the luminous intensity in display
The region of interference, the optical signature information include the display brightness, described specific of the display content of the particular display area
The gray value of corresponding multiple first sub-pixels of display content of display area, the gray value of multiple second sub-pixels and multiple
The gray value of third sub-pixel；According to the optical signature information, determine the mobile terminal in display to the luminous intensity
Detection generate interference interference value；According to the detected value and the interference value, environment where the mobile terminal is determined
Actual light intensity degree.
In this way, by mobile terminal the display content of particular display area optical signature information, to mobile terminal
Luminous intensity detected value compensates, the actual light intensity degree of environment where can obtaining mobile terminal, to improve to mobile terminal
The accuracy in detection of place ambient light intensity.
A kind of hardware architecture diagram of Fig. 5 mobile terminals of each embodiment to realize the present invention.
The mobile terminal 500 includes but not limited to：It is radio frequency unit 501, network module 502, audio output unit 503, defeated
Enter unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, processor
The components such as 510 and power supply 511.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 5 is not constituted
Restriction to mobile terminal, mobile terminal may include than illustrating more or fewer components, either combine certain components or
Different component arrangements.In embodiments of the present invention, mobile terminal include but not limited to mobile phone, tablet computer, laptop,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 510, the detection being detected for determining the luminous intensity to environment where mobile terminal
Value；According to the mobile terminal in the display content of particular display area, the display content of the particular display area is determined
Optical signature information, the particular display area are that the mobile terminal generates interference in display to the detection of the luminous intensity
Region, the optical signature information includes the display brightness of the display content of the particular display area, described is particularly shown
The gray value of corresponding multiple first sub-pixels of display content, the gray value of multiple second sub-pixels and multiple thirds in region
The gray value of sub-pixel；According to the optical signature information, inspection of the mobile terminal in display to the luminous intensity is determined
Survey the interference value for generating interference；According to the detected value and the interference value, the reality of environment where determining the mobile terminal
Border luminous intensity.
In this way, when the luminous intensity of environment where the mobile terminal being located on the inside of screen to optical sensor is detected, lead to
Mobile terminal is crossed in the optical signature information of the display content of particular display area, the luminous intensity detected value of mobile terminal is carried out
Compensation, the actual light intensity degree of environment where mobile terminal can be obtained, to improve to ambient light intensity where mobile terminal
Accuracy in detection.
It should be understood that the embodiment of the present invention in, radio frequency unit 501 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 510 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 501 includes but not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 501 can also by radio communication system and network and other set
Standby communication.
Mobile terminal has provided wireless broadband internet to the user by network module 502 and has accessed, and such as user is helped to receive
Send e-mails, browse webpage and access streaming video etc..
It is that audio output unit 503 can receive radio frequency unit 501 or network module 502 or in memory 509
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 503 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 500 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 503 includes loud speaker, buzzer and receiver etc..
Input unit 504 is for receiving audio or video signal.Input unit 504 may include graphics processor
(Graphics Processing Unit, GPU) 5041 and microphone 5042, graphics processor 5041 is in video acquisition mode
Or the image data of the static images or video obtained by image capture apparatus (such as camera) in image capture mode carries out
Reason.Treated, and picture frame may be displayed on display unit 506.Through graphics processor 5041, treated that picture frame can be deposited
Storage is sent in memory 509 (or other storage mediums) or via radio frequency unit 501 or network module 502.Mike
Wind 5042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output of mobile communication base station can be sent to via radio frequency unit 501 by being converted in the case of telephone calling model.
Mobile terminal 500 further includes at least one sensor 505, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 5061, and proximity sensor can close when mobile terminal 500 is moved in one's ear
Display panel 5061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 505 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 506 is for showing information input by user or being supplied to the information of user.Display unit 506 can wrap
Display panel 5061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 5061.
User input unit 507 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family is arranged and the related key signals input of function control.Specifically, user input unit 507 include touch panel 5071 and
Other input equipments 5072.Touch panel 5071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 5071 or in touch panel 5071
Neighbouring operation).Touch panel 5071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects the signal that touch operation is brought, and transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 510, receiving area
It manages the order that device 510 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Type realizes touch panel 5071.In addition to touch panel 5071, user input unit 507 can also include other input equipments
5072.Specifically, other input equipments 5072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating lever, details are not described herein.
Further, touch panel 5071 can be covered on display panel 5061, when touch panel 5071 is detected at it
On or near touch operation after, send processor 510 to determine the type of touch event, be followed by subsequent processing device 510 according to touch
The type for touching event provides corresponding visual output on display panel 5061.Although in Figure 5, touch panel 5071 and display
Panel 5061 is to realize the function that outputs and inputs of mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 5071 and display panel 5061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place does not limit.
Interface unit 508 is the interface that external device (ED) is connect with mobile terminal 500.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 508 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 500 or can be used in 500 He of mobile terminal
Transmission data between external device (ED).
Memory 509 can be used for storing software program and various data.Memory 509 can include mainly storing program area
And storage data field, wherein storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 509 may include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 510 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 509, and calls and is stored in storage
Data in device 509 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Reason device 510 may include one or more processing units；Preferably, processor 510 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 510.
Mobile terminal 500 can also include the power supply 511 (such as battery) powered to all parts, it is preferred that power supply 511
Can be logically contiguous by power-supply management system and processor 510, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 500 includes some unshowned function modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including：Processor 510, memory 509, is stored in
On memory 509 and the computer program that can be run on the processor 510, the computer program are executed by processor 510
Each process of the detection method embodiment of the above-mentioned luminous intensities of Shi Shixian, and identical technique effect can be reached, to avoid repeating,
Which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of the detection method embodiment of above-mentioned luminous intensity when being executed by processor,
And identical technique effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium,
Such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, letter
Claim RAM), magnetic disc or CD etc..
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within the protection of the present invention.
Claims (12)
1. a kind of detection method of luminous intensity, which is characterized in that the method is applied to mobile terminal, is used in the mobile terminal
It is located on the inside of the screen of the mobile terminal in the optical sensor of detection ambient light intensity, the method includes：
Determine the detected value that the luminous intensity to environment where the mobile terminal is detected；
According to the mobile terminal in the display content of particular display area, the display content of the particular display area is determined
Optical signature information, the particular display area are that the mobile terminal generates interference in display to the detection of the luminous intensity
Region, the optical signature information includes the display brightness of the display content of the particular display area, described is particularly shown
The gray value of corresponding multiple first sub-pixels of display content, the gray value of multiple second sub-pixels and multiple thirds in region
The gray value of sub-pixel；
According to the optical signature information, determine that the mobile terminal generates interference in display to the detection of the luminous intensity
Interference value；
According to the detected value and the interference value, the actual light intensity degree of environment where determining the mobile terminal.
2. the method as described in claim 1, which is characterized in that according to the optical signature information, determine the mobile terminal
The interference value of interference is generated to the detection of the luminous intensity in display, including：
According to the display brightness and the gray value of the multiple first sub-pixel, determine the multiple first sub-pixel in institute
State the first intensity value under display brightness；
According to the display brightness and the gray value of the multiple second sub-pixel, determine the multiple second sub-pixel in institute
State the second intensity value under display brightness；
According to the display brightness and the gray value of the multiple third sub-pixel, determine the multiple third sub-pixel in institute
State the third intensity value under display brightness；
According to first intensity value, second intensity value and the third intensity value, determine the mobile terminal aobvious
The interference value of interference is generated when showing to the detection of the luminous intensity.
3. method as claimed in claim 2, which is characterized in that according to the display brightness and the multiple first sub-pixel
Gray value, determine first intensity value of the multiple first sub-pixel under the display brightness, including：
According to the gray value of the multiple first sub-pixel, the equivalent gray value of the multiple first sub-pixel is determined；
According to the gray value of the equivalent gray value and predetermined the first sub-pixel under maximum brightness and intensity value it
Between correspondence, determine the intensity value corresponding with the equivalent gray value under the maximum brightness；
Light when being shown according to the corresponding intensity value of the equivalent gray value, the display brightness and the particular display area
The proportionality coefficient of intensity and brightness determines first intensity value of the multiple first sub-pixel under the display brightness.
4. method as claimed in claim 3, which is characterized in that according to first intensity value, second intensity value and
The third intensity value determines that the mobile terminal generates the detection of the luminous intensity in display the interference value of interference, packet
It includes：
Determine the sum of first intensity value, second intensity value and the third intensity value；
By first intensity value, second intensity value and the third intensity value and be determined as the interference value.
5. such as Claims 1-4 any one of them method, which is characterized in that according to the detected value and the interference value,
The actual light intensity degree of environment where determining the mobile terminal, including：
Determine the difference of the detected value and the interference value；
The actual light intensity degree of environment where the difference is determined as the mobile terminal.
6. method as claimed in claim 5, which is characterized in that the actual light intensity degree of environment where determining the mobile terminal
Afterwards, the method further includes：
According to the actual light intensity degree, the screen intensity of the mobile terminal is adjusted.
7. a kind of mobile terminal, which is characterized in that be located at for detecting the optical sensor of ambient light intensity in the mobile terminal
On the inside of the screen of the mobile terminal, the mobile terminal includes：
Detection module determines the detected value that the luminous intensity to environment where the mobile terminal is detected；
First determining module, according to the mobile terminal particular display area display content, determine described in be particularly shown area
The optical signature information of the display content in domain, the particular display area is for the mobile terminal in display to the luminous intensity
Detection generate interference region, the optical signature information includes that the display of the display content of the particular display area is bright
It spends, the ash of the gray value of corresponding multiple first sub-pixels of display content of the particular display area, multiple second sub-pixels
The gray value of angle value and multiple third sub-pixels；
Second determining module determines the mobile terminal in display to the luminous intensity according to the optical signature information
Detection generates the interference value of interference；
Compensating module, according to the detected value and the interference value, the actual light intensity of environment where determining the mobile terminal
Degree.
8. mobile terminal as claimed in claim 7, which is characterized in that second determining module is believed according to the optical signature
Breath determines that the mobile terminal generates the detection of the luminous intensity in display the interference value of interference, including：
According to the display brightness and the gray value of the multiple first sub-pixel, determine the multiple first sub-pixel in institute
State the first intensity value under display brightness；
According to the display brightness and the gray value of the multiple second sub-pixel, determine the multiple second sub-pixel in institute
State the second intensity value under display brightness；
According to the display brightness and the gray value of the multiple third sub-pixel, determine the multiple third sub-pixel in institute
State the third intensity value under display brightness；
According to first intensity value, second intensity value and the third intensity value, determine the mobile terminal aobvious
The interference value of interference is generated when showing to the detection of the luminous intensity.
9. mobile terminal as claimed in claim 8, which is characterized in that second determining module according to the display brightness with
And the gray value of the multiple first sub-pixel, determine first intensity of the multiple first sub-pixel under the display brightness
Value, including：
According to the gray value of the multiple first sub-pixel, the equivalent gray value of the multiple first sub-pixel is determined；
According to the gray value of the equivalent gray value and predetermined the first sub-pixel under maximum brightness and intensity value it
Between correspondence, determine the intensity value corresponding with the equivalent gray value under the maximum brightness；
Light when being shown according to the corresponding intensity value of the equivalent gray value, the display brightness and the particular display area
The proportionality coefficient of intensity and brightness determines first intensity value of the multiple first sub-pixel under the brightness.
10. mobile terminal as claimed in claim 9, which is characterized in that second determining module is according to first intensity
Value, second intensity value and the third intensity value determine inspection of the mobile terminal in display to the luminous intensity
The interference value for generating interference is surveyed, including：
Determine the sum of first intensity value, second intensity value and the third intensity value；
By first intensity value, second intensity value and the third intensity value and be determined as the interference value.
11. such as claim 7 to 10 any one of them mobile terminal, which is characterized in that the compensating module is according to the inspection
Measured value and the interference value, the actual light intensity degree of environment where determining the mobile terminal, including：
Determine the difference of the detected value and the interference value；
The actual light intensity degree of environment where the difference is determined as the mobile terminal.
12. mobile terminal as claimed in claim 11, which is characterized in that the mobile terminal further includes：Brightness adjusting section,
Wherein：
The brightness adjusting section after the determining module determines the actual light intensity degree of environment where the mobile terminal, according to
The actual light intensity degree, is adjusted the screen intensity of the mobile terminal.
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| CN201810140475.9A CN108494936B (en) | 2018-02-11 | 2018-02-11 | Light intensity detection method and mobile terminal |
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