CN109036163A - A kind of display device and its environment light detection method - Google Patents
A kind of display device and its environment light detection method Download PDFInfo
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- CN109036163A CN109036163A CN201811012396.6A CN201811012396A CN109036163A CN 109036163 A CN109036163 A CN 109036163A CN 201811012396 A CN201811012396 A CN 201811012396A CN 109036163 A CN109036163 A CN 109036163A
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 229920001621 AMOLED Polymers 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000010287 polarization Effects 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 20
- 210000002858 crystal cell Anatomy 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
Abstract
The present invention provides a kind of display device and its environment light detection method, belongs to field of display technology, can solve the problems, such as that existing ambient light sensor is rung by the shadow that AMOLED panel issues and cause measurement result inaccurate.In display device of the invention, environment light contains polarised light by the light that the polarizer plays directive polarisation adjustment component to the rear, and the light of display panel directive polarisation adjustment component is non-polarized light, simultaneously because under the first state and the second state, it is different to the transmitance of the environment light for the polarization injected after the polarizer and display panel that polarisation adjusts component, and the non-polarized light that display panel projects is constant, therefore the transmission light intensity under the different transmitance states of detection, the light intensity of the environment light of original directive display panel can be calculated, influence of the display panel to ambient light measurement itself is eliminated in the display device, therefore testing result is more acurrate.
Description
Technical field
The invention belongs to field of display technology, and in particular to a kind of display device and its environment light detection method.
Background technique
The display device of mainstream is generally liquid crystal display panel (LCD, Liquid Crystal Display) or main at present
Dynamic formula organic electroluminescent display panel (AMOLED, Active-Matrix Organic Light Emitting Diode).
Compared to liquid crystal display panel, AMOLED is very fast with reaction speed, contrast is higher, visual angle is wider, power consumption is lower, mould group is thick
Spend the advantages that smaller.Also, in wearable product use AMOLED, can accomplish in shape specification it is thinner and lighter just,
Therefore, more and more wearable products use AMOLED as display panel at present.
At least there are the following problems in the prior art for inventor's discovery: AMOLED will often be used to measure in wearing is answered
The ambient light sensor of environment light light intensity is placed in below AMOLED panel, to improve the screen accounting of product.Since AMOLED is shown
The light that panel issues has small part to leak to below, therefore ambient light sensor measurement environment light is caused to will receive AMOLED panel
The shadow of sending is rung, and causes the inaccuracy of measurement result.
Summary of the invention
The shadow sound that the present invention is issued for existing ambient light sensor by AMOLED panel causes measurement result not
Accurate problem provides a kind of display device and its environment light detection method.
Solving technical solution used by present invention problem is:
A kind of display device, comprising:
Display panel;
The polarizer, the polarizer are set to outside the light-emitting surface of the display panel, for injecting display panel to by it
The polarization of environment light be changed;
Polarisation adjusts component, and polarisation adjustment component includes first state and the second state, in the first state and
Under second state, transmitance of the polarisation adjustment component to the environment light for the polarization injected after the polarizer and display panel
It is different;
Photodetector, for detecting the transmission light intensity after first state and the second state respectively, and according to described
Cross the light intensity that rate calculates environment light.
Optionally, the polarizer includes the first polaroid.
Optionally, the polarisation adjustment component includes the second polaroid, and second polaroid is set to the display surface
Between plate and the photodetector, second polaroid includes polarisation area and open region;The polarisation adjustment section in the polarisation area
Part has first state, and the polarisation adjustment component of the open region has the second state.
Optionally, the photodetector include for detect polarisation area through the first sensor of light intensity and for examining
Survey the second sensor through light intensity of open region.
Optionally, the polarisation area is n to the transmitance of environment lightPOL2A, what the polarisation area issued display panel
The transmitance of light is nPOL2P, the transmitance of first polaroid is nPOL1, the transmitance of the display panel is nPNL, described
The light-intensity test value that penetrates of first sensor and second sensor is respectively as follows: LVALS1、LVALS2, the light intensity of the environment light is
LVA, wherein
Optionally, the polarisation adjustment component includes liquid crystal cell and third polaroid, and institute's third polaroid is compared to liquid
Brilliant box is arranged closer to photodetector, wherein applies first voltage to the liquid crystal cell, so that polarisation adjustment component has
First state applies second voltage to the liquid crystal cell, so that polarisation adjustment component has the second state.
Optionally, the display panel is oled panel.
Optionally, it being equipped with supporting layer between the display panel and polarisation adjustment component, the supporting layer is equipped with opening,
The polarisation adjustment component is set at the position of the corresponding opening.
Optionally, the display device is wearable AMOLED.
Of the invention also provides a kind of environment light detection method of above-mentioned display device, including following detecting step:
The polarizer is changed the polarization for the environment light for injecting panel;
Under the first state and the second state that obtain polarisation adjustment component respectively, injected after the polarizer and display panel
Polarization environment light transmitance;
Photodetector detects the transmission light intensity after first state and the second state respectively, and according to the transmitance meter
Calculate the light intensity of environment light.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display device of the embodiment of the present invention 1;
Fig. 2 is a kind of structural schematic diagram of the display device of the embodiment of the present invention 2;
Fig. 3 is another structural schematic diagram of the display device of the embodiment of the present invention 2;
Fig. 4 is the display device of the embodiment of the present invention 2 and the propagation schematic diagram of environment light;
Fig. 5 is another structural schematic diagram of the display device of the embodiment of the present invention 2;
Wherein, appended drawing reference are as follows: 1, display panel;2, the polarizer;21, the first polaroid;3, polarisation adjusts component;32,
Second polaroid;33, open region;34, polarisation area;35, third polaroid;36, liquid crystal cell;4, photodetector;41, the first sensing
Device;42, second sensor;5, supporting layer.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Present invention is further described in detail for formula.
Embodiment 1:
The present embodiment provides a kind of display devices, as shown in Figure 1, including display panel 1, the polarizer 2, polarisation adjustment component
3 and photodetector 4: where the polarizer 2 is set to outside the light-emitting surface of the display panel 1, for aobvious to injecting by it
Show that the polarization of the environment light of panel 1 is changed;It includes first state and the second state that polarisation, which adjusts component 3, described first
Under state and the second state, the environment of polarisation adjustment 3 pairs of polarizations injected after the polarizer 2 and display panel 1 of component
The transmitance of light is different;Photodetector 4 for detecting the transmission light intensity after first state and the second state respectively, and according to
The transmitance calculates the light intensity of environment light.
In the display device of the present embodiment, environment light contains by the light that the polarizer 2 plays directive polarisation adjustment component 3 to the rear
Polarised light, and the light of 1 directive polarisation of display panel adjustment component 3 is non-polarized light, simultaneously because in the first state and the
Under two-state, polarisation adjusts the transmitance of the environment light of 3 pairs of polarizations injected after the polarizer 2 and display panel 1 of component not
Together, and non-polarized light light intensity that display panel 1 projects is constant in a short time, and in the first state and the second state
The non-polarized light transmitance that lower polarisation adjustment component 3 projects display panel 1 is identical, therefore detects under different transmitance states
Through light intensity, the light intensity of the environment light of original directive display panel 1 can be calculated, is eliminated in the display device of the present embodiment
Influence of the display panel 1 to ambient light measurement itself, therefore testing result is more acurrate.
Embodiment 2:
The present embodiment provides a kind of display devices, as shown in Figure 2-5, including display panel 1, the polarizer, polarisation adjustment section
Part and photodetector 4: where the polarizer includes the first polaroid 21, is set to the light-emitting surface of the display panel 1
Outside, it is changed for the polarization to the environment light for injecting display panel 1 by it;Polarisation adjustment component include first state and
Second state, under the first state and the second state, the polarisation adjustment component is to after the polarizer and display panel 1
The transmitance of the environment light of the polarization of injection is different;Photodetector 4 for detecting after first state and the second state respectively
Transmission light intensity, and according to the transmitance calculate environment light light intensity.
The effect of the first polaroid 21 is first is that inhibit reflection of the display panel 1 to environment light in the present embodiment;Second is that can be with
Polarised light is converted to the light of display panel 1 by environment light emission.It should be noted that the polarizer can be various forms of be polarized
Component is also possible to other diaphragms that can produce polarised light for example, it can be polarizing film or Nicol prism, can be with
It is the polarizer for converting environment light emission to the light of display panel 1 circularly polarized light.Wherein, polarizing film, which can only allow, is parallel to centainly
The light vibration in direction passes through, i.e., it has certain saturating vibration direction, detects convenient for photodetector 4, therefore selects polaroid herein.
In one embodiment, the polarisation adjustment component includes the second polaroid 32, and second polaroid 32 is set to
Between the display panel 1 and the photodetector 4, second polaroid 32 includes polarisation area 34 and open region 33;It is described
The polarisation adjustment component in polarisation area 34 has first state, and the polarisation adjustment component of the open region 33 has the second state.
Wherein, in the first state, environment light plays what polarised light R1 and display panel 1 to the rear were issued by the polarizer
A small amount of light emission is to polarisation area 34, and in the second condition, environment light plays polarised light R1 and display panel to the rear by the polarizer 2
The 1 a small amount of light emission issued then since the transmitance of polarisation area 34 and open region 33 to R1 is different, therefore is examined to open region 33 according to light
Survey the polarisation area 34 of the detection of device 4 and the environment light that original directive display panel 1 can be calculated through light intensity of open region 33
Light intensity.
Photodetector 4 is not specifically limited in the present embodiment, such as it can be for detecting luminous intensity or brightness
Component.Specifically, it can be an optical sensor, which can measure in two times, one-shot measurement open region 33
Transmission light intensity, the transmission light intensity in another one-shot measurement polarisation area 34.
As the optional embodiment of one of the present embodiment, the photodetector 4 includes for detecting polarisation area 34
First sensor 41 through light intensity and the second sensor 42 through light intensity for detection opening area 33.
As shown in figure 3, can detect first state and second simultaneously using first sensor 41 and second sensor 42
The transmission light intensity of state, such detection efficiency are higher.
Optionally, the light intensity of the environment light is LVA, through the first polarizing film, display panel 1, second polarizing film
Light intensity behind polarisation portion is respectively LVA’、LVA”、LVA" ', LVPFor the light intensity that display panel 1 is transmitted down out, LVP' it is through the
Light intensity after two polarizing films.The first sensor 41 is respectively as follows: LV through light-intensity test value with second sensor 42ALS1、
LVALS2, the transmitance of first polaroid 21 is nPOL1, the transmitance of the display panel 1 is nPNL, the polarisation area 34 is right
The transmitance of environment light is nPOL2A, the polarisation area 34 is n to the transmitance for the light that display panel 1 issuesPOLP, due to LVAThoroughly
After crossing the first polarizing film, become polarised light or partial poolarized light, the light that display panel 1 issues is non-polarized light, the second polaroid
32 polarisation area 34 is different to the transmitance of two kinds of light, respectively nPOL2AAnd nPOL2P, therefore:
Wherein, nPOL1, nPNL, nPOL2A, nPOL2PFor known parameters, LVALS1、LVALS2For measured value, can be obtained by calculating
Know:
In another embodiment, as shown in figure 5, polarisation adjustment component 3 includes liquid crystal cell 36 and third polaroid
35, institute's third polaroid 35 is arranged compared to liquid crystal cell 36 closer to photodetector 4, wherein applies the to the liquid crystal cell 36
One voltage applies second voltage to the liquid crystal cell 36, so that described so that polarisation adjustment component 3 has first state
Polarisation, which adjusts component 3, has the second state.
That is, photodetector 4 applies different voltage to liquid crystal cell 36 respectively twice in the present embodiment, so that twice
The deflection angle of middle liquid crystal is different, the transmission light intensity for penetrating filter difference, measuring after polarisation adjusts component in two times of liquid crystal,
Transmitance i.e. twice after liquid crystal cell 36 and third polaroid 35 is not identical, therefore measures two different transmission light intensity, then
The light intensity of the environment light of original directive display panel 1 is calculated using such as upper type.
In one embodiment, supporting layer 5, the supporting layer 5 are equipped between the display panel 1 and polarisation adjustment component
Equipped with opening, the polarisation adjustment component is set at the position of the corresponding opening.
Wherein, the main function of supporting layer 5 is the mechanical strength for enhancing display panel 1, heat dissipation, absorbing external mechanical shock
Deng.It, can be with to realize identifying through the light in light-intensity test below when supporting layer 5 is made of lighttight material
Polarisation adjustment component is set at the position of corresponding opening.
In one embodiment, the display panel 1 is oled panel.
It should be noted that being also provided with touch base plate, glass cover-plate etc. in the side of oled panel light-emitting surface.
In one embodiment, the display device is wearable AMOLED.Wherein, AMOLED is wearable answers, will be inclined
Light adjustment component 3 and photodetector 4 are set to below AMOLED panel, to improve product screen accounting.
Embodiment 3:
The present embodiment provides a kind of environment light detection methods of the display device of above-described embodiment, including following detection to walk
It is rapid:
S01, the polarizer are changed the polarization for the environment light for injecting panel;That is, environment light passes through the polarizer
The light for playing directive polarisation adjustment component to the rear contains polarised light, and the light of display panel directive polarisation adjustment component is unpolarized
Light.Wherein, when the polarizer is polaroid, not only polarised light can be converted to the light of display panel by environment light emission, also
It can inhibit reflection of the display panel to environment light.
S02, it obtains under the first state and the second state that polarisation adjusts component respectively, after the polarizer and display panel
The transmitance of the environment light of the polarization of injection;Being with polarisation adjustment component includes that the second polaroid of polarisation area and open region is
Example, in the first state, environment light by the polarizer rise a small amount of light emission that polarised light R1 to the rear and display panel issue to
A small amount of light that polarised light R1 and display panel to the rear are issued is played in polarisation area, in the second condition, environment light by the polarizer
Directive open region.The transmitance of first polaroid is nPOL1, the transmitance of the display panel is nPNL, the polarisation area is to ring
The transmitance of border light is nPOL2A, the polarisation area is n to the transmitance for the light that display panel issuesPOL2P, nPOL1, nPNL, nPOL2A,
nPOL2PFor known parameters.
S03, photodetector detect the transmission light intensity after first state and the second state respectively, and according to the transmission
The light intensity of rate calculating environment light.Specifically, if the first sensor of photodetector and second sensor are respectively used to detection polarisation
The transmission light intensity in area and open region, and detected value is respectively as follows: LVALS1、LVALS2, then LVALS1、LVALS2For measured value, by calculating
It can learn:
Embodiment 4:
Present embodiments provide a kind of display device, the display device can be with are as follows: liquid crystal display panel, Electronic Paper, hand
Any product having a display function such as machine, tablet computer, television set, display, laptop, Digital Frame, navigator
Or component.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display device characterized by comprising
Display panel;
The polarizer, the polarizer are set to outside the light-emitting surface of the display panel, for the ring for injecting display panel by it
The polarization of border light is changed;
Polarisation adjusts component, and the polarisation adjustment component includes first state and the second state, in the first state and second
Under state, polarisation adjustment component to the transmitance of the environment light for the polarization injected after the polarizer and display panel not
Together;
Photodetector, for detecting the transmission light intensity after first state and the second state respectively, and according to the transmitance
Calculate the light intensity of environment light.
2. display device according to claim 1, which is characterized in that the polarizer includes the first polaroid.
3. display device according to claim 2, which is characterized in that the polarisation adjustment component includes the second polaroid,
Second polaroid is set between the display panel and the photodetector, and second polaroid includes polarisation area and opens
Mouth region;The polarisation adjustment component in the polarisation area has first state, and the polarisation adjustment component of the open region has the second shape
State.
4. display device according to claim 3, which is characterized in that the photodetector includes for detecting polarisation area
First sensor through light intensity and the second sensor through light intensity for detection opening area.
5. display device according to claim 4, which is characterized in that the polarisation area is to the transmitance of environment light
nPOL2A, the polarisation area is n to the transmitance for the light that display panel issuesPOL2P, the transmitance of first polaroid is nPOL1,
The transmitance of the display panel is nPNL, the first sensor and second sensor are respectively as follows: through light-intensity test value
LVALS1、LVALS2, the light intensity of the environment light is LVA, wherein
6. display device according to claim 1, which is characterized in that the polarisation adjustment component includes liquid crystal cell and third
Polaroid, institute's third polaroid are arranged compared to liquid crystal cell closer to photodetector, wherein apply the first electricity to the liquid crystal cell
Pressure applies second voltage to the liquid crystal cell so that polarisation adjustment component has first state, so that the polarisation adjusts
Component has the second state.
7. display device according to claim 1, which is characterized in that the display panel is oled panel.
8. display device according to claim 1, which is characterized in that set between the display panel and polarisation adjustment component
There is supporting layer, the supporting layer is equipped with opening, and the polarisation adjustment component is set at the position of the corresponding opening.
9. display device according to claim 1, which is characterized in that the display device is wearable AMOLED.
10. a kind of environment light detection method of any one of claim 1-9 display device, which is characterized in that including following
Detecting step:
The polarizer is changed the polarization for the environment light for injecting panel;
Under the first state and the second state that obtain polarisation adjustment component respectively, that injects after the polarizer and display panel is inclined
The transmitance of the environment light of vibration;
Photodetector detects the transmission light intensity after first state and the second state respectively, and calculates ring according to the transmitance
The light intensity of border light.
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101046949A (en) * | 2006-03-27 | 2007-10-03 | 爱普生映像元器件有限公司 | Display device |
CN101836263A (en) * | 2007-09-27 | 2010-09-15 | Asml荷兰有限公司 | Spectral filter, lithographic apparatus including such a spectral filter, device manufacturing method, and device manufactured thereby |
CN204155595U (en) * | 2013-11-07 | 2015-02-11 | 苹果公司 | Electronic equipment and detect the device of surround lighting on an electronic device |
US9299213B2 (en) * | 2008-01-08 | 2016-03-29 | Parata Systems, Llc | Automated pill dispensing systems configured for detecting bottles in output chutes and related methods of operation |
CN105974697A (en) * | 2016-07-20 | 2016-09-28 | 京东方科技集团股份有限公司 | Display panel and display device |
CN106462339A (en) * | 2015-09-28 | 2017-02-22 | 华为技术有限公司 | Terminal and method for detecting ambient brightness |
CN107153283A (en) * | 2017-07-21 | 2017-09-12 | 京东方科技集团股份有限公司 | Liquid crystal display device and light detection method |
CN107621857A (en) * | 2017-09-30 | 2018-01-23 | 联想(北京)有限公司 | A kind of display screen, electronic equipment and light-intensity test method |
KR20180009022A (en) * | 2016-07-15 | 2018-01-25 | 엘지디스플레이 주식회사 | Organic light emitting display device |
CN107886926A (en) * | 2017-11-22 | 2018-04-06 | 广东欧珀移动通信有限公司 | Display screen and electronic equipment |
CN107886927A (en) * | 2017-11-22 | 2018-04-06 | 广东欧珀移动通信有限公司 | Electronic installation |
CN107945769A (en) * | 2017-11-22 | 2018-04-20 | 广东欧珀移动通信有限公司 | Ambient light intensity detection method, device, storage medium and electronic equipment |
-
2018
- 2018-08-31 CN CN201811012396.6A patent/CN109036163B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101046949A (en) * | 2006-03-27 | 2007-10-03 | 爱普生映像元器件有限公司 | Display device |
CN101836263A (en) * | 2007-09-27 | 2010-09-15 | Asml荷兰有限公司 | Spectral filter, lithographic apparatus including such a spectral filter, device manufacturing method, and device manufactured thereby |
US9299213B2 (en) * | 2008-01-08 | 2016-03-29 | Parata Systems, Llc | Automated pill dispensing systems configured for detecting bottles in output chutes and related methods of operation |
CN204155595U (en) * | 2013-11-07 | 2015-02-11 | 苹果公司 | Electronic equipment and detect the device of surround lighting on an electronic device |
CN106462339A (en) * | 2015-09-28 | 2017-02-22 | 华为技术有限公司 | Terminal and method for detecting ambient brightness |
KR20180009022A (en) * | 2016-07-15 | 2018-01-25 | 엘지디스플레이 주식회사 | Organic light emitting display device |
CN105974697A (en) * | 2016-07-20 | 2016-09-28 | 京东方科技集团股份有限公司 | Display panel and display device |
CN107153283A (en) * | 2017-07-21 | 2017-09-12 | 京东方科技集团股份有限公司 | Liquid crystal display device and light detection method |
CN107621857A (en) * | 2017-09-30 | 2018-01-23 | 联想(北京)有限公司 | A kind of display screen, electronic equipment and light-intensity test method |
CN107886926A (en) * | 2017-11-22 | 2018-04-06 | 广东欧珀移动通信有限公司 | Display screen and electronic equipment |
CN107886927A (en) * | 2017-11-22 | 2018-04-06 | 广东欧珀移动通信有限公司 | Electronic installation |
CN107945769A (en) * | 2017-11-22 | 2018-04-20 | 广东欧珀移动通信有限公司 | Ambient light intensity detection method, device, storage medium and electronic equipment |
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