CN112991919B - Electronic device - Google Patents
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- CN112991919B CN112991919B CN201911274641.5A CN201911274641A CN112991919B CN 112991919 B CN112991919 B CN 112991919B CN 201911274641 A CN201911274641 A CN 201911274641A CN 112991919 B CN112991919 B CN 112991919B
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- 230000010354 integration Effects 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 2
- 206010070834 Sensitisation Diseases 0.000 description 4
- 230000008313 sensitization Effects 0.000 description 4
- 230000001934 delay Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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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
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
Abstract
The disclosure relates to an electronic device, which includes a display screen, a photosensitive module and a processor, wherein the photosensitive module is arranged below the display screen, and the display screen includes a screen driving circuit; the screen driving circuit generates a pulse signal according to a frame synchronization signal refreshed by the display screen and sends the pulse signal to the photosensitive module, and the photosensitive module collects an external environment light intensity value according to the pulse signal integration and feeds the external environment light intensity value back to the processor. The problem that the light sensing module in the electronic equipment is arranged below the screen and cannot directly acquire external light sensing data is solved, a technical scheme is provided for light sensing frame synchronization under the screen of the electronic equipment, light sensing detection under the screen is achieved, and an accurate data input source is provided for automatic backlight optimization.
Description
Technical Field
The present disclosure relates to the field of optical technologies under screens, and in particular, to an electronic device capable of detecting ambient light sensation data.
Background
Along with comprehensive screen notion is toward the deepening, screen integrality receives attention increasingly, and the electronic equipment that has the display screen develops into inevitable trend towards comprehensive screen, and sensitization module need set up under electronic equipment's screen, so that the unable direct ambient light intensity that carries on of sensitization module detects. Therefore, how to realize the detection of the ambient light intensity by the under-screen photosensitive module becomes a problem to be solved urgently by the electronic device with a comprehensive screen.
Disclosure of Invention
The present disclosure provides an electronic device capable of detecting ambient light sensation data to solve some or all of the above technical problems.
In order to achieve the purpose, the technical scheme adopted by the disclosure is as follows:
according to an embodiment of the present disclosure, there is provided an electronic device, including a display screen, a photosensitive module, and a processor, where the photosensitive module is disposed below the display screen, and the display screen includes a screen driving circuit;
the screen driving circuit generates a pulse signal according to a frame synchronization signal refreshed by the display screen and sends the pulse signal to the photosensitive module, and the photosensitive module collects an external environment light intensity value according to the pulse signal integration and feeds the external environment light intensity value back to the processor.
Optionally, the processor is connected to the screen driving circuit and the photosensitive module respectively;
the processor is used for receiving the pulse signal output by the screen driving circuit, obtaining delay time according to the position of the photosensitive module corresponding to the display screen, and sending the pulse signal to the photosensitive module after delay processing.
Optionally, the electronic device further includes a timer connected to the screen driving circuit and the photosensitive module, respectively, and the photosensitive module is further connected to the processor;
the timer starts timing after receiving the pulse signal output by the screen driving circuit, and sends a control signal to the photosensitive module after timing to a delay time, wherein the delay time is the time required by the screen to update the row pixels to the photosensitive module.
Optionally, the photosensitive module is respectively connected to the screen driving circuit and the processor;
the photosensitive module is used for receiving the pulse signal output by the screen driving circuit, timing is carried out through an internal counter, integration collection of external environment light intensity values is started after time is timed to delay time, and the delay time is the time required by the screen to update the row pixels to the photosensitive module.
Optionally, the delay time is t1= (L2/L1)/F; the method comprises the following steps that L1 is the size of a screen in the length direction, L2 is the size of a photosensitive module from the top end of the screen, and F is the refreshing rate of the screen.
Optionally, the electronic device further includes an analog-to-digital converter connected to the processor and the photosensitive module;
in a pulse signal period, after the photosensitive module receives a pulse signal, the processor closes the analog-to-digital converter and collects an external environment light intensity value according to the pulse signal integral, and after the collection is completed, the analog-to-digital converter is opened for next integral.
Optionally, in a pulse signal period, the photosensitive module obtains an external environment light intensity value by continuously integrating for 2n times; wherein n is a natural number greater than or equal to 2.
Optionally, the photosensitive module performs continuous integration by internal pulses and a phase-locked loop circuit.
Optionally, the integration time is t2= t-2t1, and t =1/F.
Optionally, the display screen further comprises a DC dimming module connected to the processor; the processor controls the DC dimming module to adjust the brightness of the display screen according to the acquired external environment light intensity value.
Optionally, the display screen further includes a transparent display area, and the transparent display area corresponds to the photosensitive module.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the problem that the light sensing module in the electronic equipment is arranged below the screen and cannot directly acquire external light sensing data is solved, a technical scheme is provided for light sensing frame synchronization under the screen of the electronic equipment, light sensing detection under the screen is achieved, and an accurate data input source is provided for automatic backlight optimization.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
FIG. 1 is a block diagram illustrating a frame synchronization circuit of an under-screen photo-sensing module according to an exemplary embodiment of the present disclosure;
FIG. 2 is a block diagram illustrating a portion of a frame synchronization circuit of an off-screen light sensing module according to yet another exemplary embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device according to an exemplary embodiment of the present disclosure.
Detailed Description
The present disclosure will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments do not limit the disclosure, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the disclosure.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
In the following, some embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, and features in the following examples and embodiments may be combined with each other without conflict.
As shown in fig. 1 and 3, the present disclosure provides an electronic device including a display screen 10, a photosensitive module 30, and a processor 20. This photosensitive module 30 sets up in the below of display screen 10, and this photosensitive module 30 is used for detecting the external light intensity data of screen place environment to carry out the regulation of screen brightness according to external light intensity data, thereby be favorable to promoting user's watching experience and the protection to user's eyesight. The photosensitive module 30 of the present disclosure uses a light sensor, and of course, other photosensitive devices capable of detecting the intensity of external light are also suitable for the photosensitive module 30 of the present disclosure.
The electronic device can be a mobile phone, a tablet computer, a notebook computer, a personal digital assistant, a vehicle-mounted device, a wearable device and other devices with a full-face screen.
In the present disclosure, the display panel 10 includes a screen driving circuit 11, and the screen driving circuit 11 is configured to generate a pulse signal. The screen driving circuit 11 generates a pulse signal according to a frame synchronization signal refreshed by the display screen, and sends the pulse signal to the photosensitive module 30, and the photosensitive module 30 collects an external environment light intensity value according to the pulse signal integral and feeds the external environment light intensity value back to the processor 20, so that the processor 20 performs the next processing according to the external environment light intensity value.
Further, the display screen 10 further comprises a DC dimming module (not shown) connected to the processor 20. The processor 20 controls the DC dimming module to adjust the brightness of the display screen 10 according to the obtained external environment light intensity value, so that the display screen 10 can adaptively adjust the brightness of the display screen 10 according to the environment light intensity, thereby improving the visual experience of the user using the electronic device.
In one embodiment, as shown in FIG. 1, the processor 20 is connected to the screen driving circuit 11 and the photosensitive module 30 respectively. The processor 20 is configured to receive a pulse signal output by the screen driving circuit 11, obtain a delay time according to a position of the photosensitive module 30 corresponding to the display screen 10, and send the pulse signal to the photosensitive module 30 after the delay processing, so that the photosensitive module 30 integrates and acquires an external environment light intensity value according to the pulse signal. The delay time is the time required for the screen to update the row of pixels to the photosensitive module 30.
In this embodiment, the frame synchronization signal generates a pulse signal to the processor 20, and the processor 20 performs an internal delay process. The processor 20 is connected to the screen driving circuit 11 through a signal line, a General-purpose input/output (GPIO) interface may be provided on the processor 20, and connected to the signal line between the screen driving circuit 11 and the photo sensing module 30, where the GPIO interface communicates through a push-pull internal interface circuit.
The delay time is t1= (L2/L1)/F, L1 is the size of the screen in the length direction, L2 is the size of the photosensitive module 30 from the top of the screen, and F is the refresh rate of the screen. In an exemplary embodiment, as shown in fig. 3, the refreshing of the screen is from the lower left of the display screen 10 as the scanning starting point, the refreshing is performed from the bottom to the top and from the left to the right during the screen refreshing, and the delay time of each pulse signal period is from the scanning starting point to the screen refreshing to the photosensitive module 30.
The photosensitive module 30 of the present disclosure includes an analog-to-digital converter connected to the processor 20 and the photosensitive module 30. After receiving the pulse signal, the light sensing module 30 turns off the analog-to-digital converter and collects light sensing intensity data according to the pulse signal integration, and after the collection is completed, turns on the analog-to-digital converter for the next integration. In this embodiment, in one pulse signal period, the photosensitive module 30 continuously integrates for 2n times to make the photosensitive module 30 obtain the photosensitive intensity data; wherein n is a natural number greater than or equal to 2.
The photosensitive module 30 of the present disclosure performs continuous integration by internal pulses and phase-locked loop circuits. Wherein, the integration time is t2= t-2t1, t =1/F. In this embodiment, the light sensing module 30 samples at a sampling rate more than twice the frequency refresh rate during time t 2.
Specifically, after each frame of image signal is brushed on the screen of the display screen 10, a pulse signal is generated through conversion of the screen driving circuit 11, the pulse signal is transmitted to the processor 20 through a signal line, the processor performs delay processing (i.e., delays for a period of time) and then wakes up or selects the photosensitive module 30 through a control line and a data line, so that the photosensitive module 30 is initialized to wait for arrival of the pulse signal, the photosensitive module 30 starts to collect light intensity data after receiving the pulse signal, the collection is finished and the data collection is finished by transmitting the collected light intensity data to the photosensitive module 30 through an I2C circuit or INT (input), and the photosensitive module 30 reads the data through integration of the I2C circuit.
In this embodiment, the screen driving circuit 11 of the display screen 10 converts the image signal after scanning one frame into a pulse signal and sends the pulse signal to the processor 20, and the processor performs a delay process (i.e. delays for a period of time) after receiving the pulse signal, and then wakes up or selects the photosensitive module 30 through scl (control line) and sda (data line) to enable the photosensitive module 30 to initialize to wait for the arrival of the pulse signal, and simultaneously configures the internal circuit of the photosensitive module 30 through i2 c. The photosensitive module 30 starts to collect light intensity data after receiving the pulse signal, the collection is finished and the data collection is finished by transmitting the light intensity data to the photosensitive module 30 through an I2C circuit or an INT (input), and the photosensitive module 30 reads the data through the I2C circuit integration. The photosensitive module 30 continuously integrates 2n times with the internal pulse of the photosensitive module 30 and the pll circuit during one pulse signal period. The photosensitive module 30 turns off the analog-to-digital converter after receiving the frame synchronization signal, puts the pulse signal into fifo (first in first out queue) or reads data through i2c, and turns on the analog-to-digital converter again after the data is read, so as to complete the next integration.
In yet another embodiment, as shown in fig. 2, the processor 20 of the present disclosure further includes a timer 22 respectively connected to the screen driving circuit 11 and the photosensitive module 30, and the photosensitive module 30 is further connected to the processor 20. The timer 22 starts timing after receiving the pulse signal output by the screen driving circuit 11, and sends a control signal to the photosensitive module 30 after timing to a delay time, where the delay time is a time required from the screen to the photosensitive module 30 for updating the row pixels.
In this embodiment, the pulse signal generated by the frame synchronization signal is sent to the timer 22, and the timer 22 delays for a period of time and then sends the delayed period of time to the photosensitive module 30, so that the photosensitive module 30 integrates and collects the external environment light intensity value. The timer 22 is connected to the photosensitive module 30 through signal lines including a control line, a data line, an INT input line, and the like.
The delay time is t1= (L2/L1)/F, where L1 is a dimension in a length direction of the screen, L2 is a dimension of the photosensitive module 30 from a top end of the screen, and F is a refresh rate of the screen. As shown in fig. 3, in an exemplary embodiment, the refreshing of the screen is from the lower left of the display screen 10 as the scanning starting point, the refreshing of the screen is performed from the bottom to the top and from the left to the right, and the delay time of each pulse signal period is from the scanning starting point to the screen refreshing to the photosensitive module 30.
The photosensitive module 30 of the present disclosure includes an analog-to-digital converter connected to the processor 20 and the photosensitive module 30. After receiving the pulse signal, the light sensing module 30 turns off the analog-to-digital converter and collects light sensing light intensity data according to the pulse signal integration, and after the collection is completed, turns on the analog-to-digital converter for the next integration. In this embodiment, in one pulse signal period, the photosensitive module 30 continuously integrates for 2n times to make the photosensitive module 30 obtain the light intensity data; wherein n is a natural number greater than or equal to 2.
The photosensitive module 30 of the present disclosure performs continuous integration by internal pulses and phase-locked loop circuits. Wherein the integration time is t2= t-2t1, t =1/F. In this embodiment, the photo sensing module 30 samples at a sampling rate more than twice the frequency refresh rate during time t 2.
In another embodiment, the photosensitive module 30 is connected to the screen driving circuit 11 and the processor 20, respectively. The photosensitive module 30 is configured to receive a pulse signal output by the screen driving circuit 11, count time by an internal counter, and start integrating and collecting an external environment light intensity value after the time is delayed, where the delayed time is a time required by a screen to update a row of pixels to the photosensitive module. And after the collection is finished, the light intensity value of the external environment is sent to the processor 20, so that the processor 20 adjusts the screen brightness according to the external light intensity data.
In this embodiment, the pulse signal generated by the frame synchronization signal is directly sent to the photosensitive module 30, the external environment light intensity is collected through integration after the delay processing in the photosensitive module 30, and then the external environment light intensity value is fed back to the processor 20, so that the processor 20 controls the DC dimming module to adapt to the brightness of the display screen according to the external environment light intensity value.
The delay time is t1= (L2/L1)/F, where L1 is a dimension in a length direction of the screen, L2 is a dimension of the photosensitive module 30 from a top end of the screen, and F is a refresh rate of the screen. In an exemplary embodiment, as shown in fig. 3, the refreshing of the screen is from the lower left of the display screen 10 as the scanning starting point, the refreshing is performed from the bottom to the top and from the left to the right during the screen refreshing, and the delay time of each pulse signal period is from the scanning starting point to the screen refreshing to the photosensitive module 30.
The photosensitive module 30 of the present disclosure includes an analog-to-digital converter connected to the processor 20 and the photosensitive module 30. After receiving the pulse signal, the light sensing module 30 turns off the analog-to-digital converter and collects light sensing light intensity data according to the pulse signal integration, and after the collection is completed, turns on the analog-to-digital converter for the next integration. In this embodiment, in one pulse signal period, the photosensitive module 30 continuously integrates for 2n times to make the photosensitive module 30 obtain the light intensity data; wherein n is a natural number greater than or equal to 2.
The photosensitive module 30 of the present disclosure performs continuous integration by internal pulses and phase-locked loop circuits. Wherein the integration time is t2= t-2t1, t =1/F. In this embodiment, the light sensing module 30 samples at a sampling rate more than twice the frequency refresh rate during time t 2.
The utility model discloses an electronic equipment of sensitization module under screen has solved the problem that the sensitization module sets up under the screen and can't directly acquire external light sense data in electronic equipment, for light sense frame synchronization provides technical scheme under the electronic equipment screen, realizes light sense detection under the screen, provides accurate data input source for optimizing automatic being shaded.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An electronic device is characterized by comprising a display screen, a photosensitive module and a processor, wherein the photosensitive module is arranged below the display screen, and the display screen comprises a screen driving circuit;
the screen driving circuit generates a pulse signal according to a frame synchronization signal refreshed by the display screen and sends the pulse signal to the photosensitive module, and the photosensitive module collects an external environment light intensity value according to the pulse signal integration and feeds the external environment light intensity value back to the processor; the processor is respectively connected with the screen driving circuit and the photosensitive module;
the processor is used for receiving a pulse signal output by the screen driving circuit, obtaining delay time according to the position of the photosensitive module corresponding to the display screen, and sending the pulse signal to the photosensitive module after delay processing; the delay time is the time required for the pixels of the screen updating line to reach the photosensitive module.
2. The electronic device of claim 1, further comprising a timer coupled to the screen driver circuit and the photosensitive module, respectively, the photosensitive module further coupled to the processor;
the timer starts timing after receiving the pulse signal output by the screen driving circuit, and sends a control signal to the photosensitive module after timing to a delay time, wherein the delay time is the time required by the screen to update the row pixels to the photosensitive module.
3. The electronic device of claim 1, wherein the photosensitive module is respectively connected to the screen driving circuit and the processor;
the photosensitive module is used for receiving the pulse signal output by the screen driving circuit, timing through an internal counter, and starting integrating to acquire the external environment light intensity value after timing to the delay time, wherein the delay time is the time required by the screen to update the row pixels to the photosensitive module.
4. The electronic device of any of claims 1-3, wherein the delay time is t1= (L2/L1)/F; the method comprises the following steps that L1 is the size of a screen in the length direction, L2 is the size of a photosensitive module from the top end of the screen, and F is the refreshing rate of the screen.
5. The electronic device of claim 4, further comprising an analog-to-digital converter coupled to the processor and the photosensitive module;
in a pulse signal period, after the photosensitive module receives a pulse signal, the processor closes the analog-to-digital converter and collects an external environment light intensity value according to the pulse signal integral, and opens the analog-to-digital converter for next integral after collection.
6. The electronic device of claim 5, wherein the photosensitive module obtains the external environment light intensity value by continuously integrating for 2n times in one pulse signal period; wherein n is a natural number greater than or equal to 2.
7. The electronic device of claim 6, wherein the photosensitive module is continuously integrated by internal pulses and a phase-locked loop circuit.
8. The electronic device of claim 6, wherein the integration time is t2= t-2t1, and wherein t =1/F.
9. The electronic device of claim 1, wherein the display screen further comprises a DC dimming module coupled to the processor; the processor controls the DC dimming module to adjust the brightness of the display screen according to the acquired external environment light intensity value.
10. The electronic device of claim 1, wherein the display screen further comprises a transparent display area, and wherein the transparent display area corresponds to the photoactive module.
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| CN201911274641.5A CN112991919B (en) | 2019-12-12 | 2019-12-12 | Electronic device |
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| CN201911274641.5A CN112991919B (en) | 2019-12-12 | 2019-12-12 | Electronic device |
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| CN112991919B true CN112991919B (en) | 2023-02-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979698A (en) * | 2017-11-22 | 2018-05-01 | 广东欧珀移动通信有限公司 | Ambient light intensity detection method, device, storage medium and electronic equipment |
| CN109119032A (en) * | 2018-09-11 | 2019-01-01 | 重庆爱奇艺智能科技有限公司 | A kind of method and system that backlight that eliminating LCD smear is adjusted |
| CN109855727A (en) * | 2019-01-17 | 2019-06-07 | Oppo广东移动通信有限公司 | Environment light detection method, device, electronic equipment and storage medium |
| CN110012162A (en) * | 2019-03-25 | 2019-07-12 | 华为技术有限公司 | A kind of ambient light data acquisition method and electronic equipment |
| EP3517906A1 (en) * | 2018-01-30 | 2019-07-31 | ams AG | Method for sensing light |
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2019
- 2019-12-12 CN CN201911274641.5A patent/CN112991919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979698A (en) * | 2017-11-22 | 2018-05-01 | 广东欧珀移动通信有限公司 | Ambient light intensity detection method, device, storage medium and electronic equipment |
| EP3517906A1 (en) * | 2018-01-30 | 2019-07-31 | ams AG | Method for sensing light |
| CN109119032A (en) * | 2018-09-11 | 2019-01-01 | 重庆爱奇艺智能科技有限公司 | A kind of method and system that backlight that eliminating LCD smear is adjusted |
| CN109855727A (en) * | 2019-01-17 | 2019-06-07 | Oppo广东移动通信有限公司 | Environment light detection method, device, electronic equipment and storage medium |
| CN110012162A (en) * | 2019-03-25 | 2019-07-12 | 华为技术有限公司 | A kind of ambient light data acquisition method and electronic equipment |
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