CN108051370A - Ambient light detection method and device, electronic equipment - Google Patents
Ambient light detection method and device, electronic equipment Download PDFInfo
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- CN108051370A CN108051370A CN201711237405.7A CN201711237405A CN108051370A CN 108051370 A CN108051370 A CN 108051370A CN 201711237405 A CN201711237405 A CN 201711237405A CN 108051370 A CN108051370 A CN 108051370A
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- reflector
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- light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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Abstract
The disclosure provides a kind of ambient light detection method and device, electronic equipment, and described device includes：Touch screen, reflector, frame, light sensor and printed circuit board, transmission region is offered on touch screen, transmission region is corresponding with the position of reflector, and light sensor is located at the reflective side of reflector, and fix on a printed circuit board, and be electrically connected with the processor on printed circuit board；Wherein, touch screen is used to that ambient light to be transmitted to reflector by transmission region；Reflector is used for the reflection of ambient light of transmission region transmission to light sensor；Light sensor is used to ambient light being converted to electric signal；Processor is used for the luminous intensity according to electrical signal detection ambient light.The disclosure is by the way that light sensor is hidden in below touch screen, and using reflector principle of reflection by reflection of ambient light to light sensor to realize the detection of ambient light, even if so as to which touch screen is made comprehensive screen, light sensor can also perceive the variation of environmental light brightness.
Description
Technical field
This disclosure relates to optical technical field more particularly to a kind of ambient light detection method and device, electronic equipment.
Background technology
At present, terminal is when automatically adjusting screen intensity, typically according to linear between ambient brightness and screen intensity
What relation was adjusted, wherein, ambient brightness is by the way that light sensor in the terminal is set to detect.In correlation technique
In, light sensor is generally arranged at the top of terminal display screen, i.e., close to terminal receiver position roundlet hole shape it is transparent
Below glass, light can directly reach light sensor through transparent glass, so as to which light sensor can directly perceive ring
The variation of border brightness.However, it is the terminal shielded comprehensively for display screen, the no position in top of display screen can place light
Sensor, so as to also can not just perceive the variation of environmental light brightness.
The content of the invention
To overcome the problems, such as present in correlation technique, a kind of ambient light detection method and device of embodiment of the present disclosure offer,
Electronic equipment, to realize the detection of environmental light brightness.
According to the embodiment of the present disclosure in a first aspect, providing a kind of ambient light detection device, described device includes：Touch-control
Screen, reflector, frame, light sensor and printed circuit board, one end of the reflector are fixed on the inside of the frame,
The other end of the reflector is fixed on the printed circuit board, and transmission region, the light transmission are offered on the touch screen
Region is corresponding with the position of the reflector, and the light sensor is located at the reflective side of the reflector, and is fixed on institute
It states on printed circuit board, and is electrically connected with the processor on the printed circuit board；Wherein,
The touch screen, for ambient light to be transmitted to the reflector by the transmission region；
The reflector, for by the reflection of ambient light that the transmission region transmits to the light sensor；
The light sensor, for the ambient light to be converted to electric signal；
The processor, for the luminous intensity according to the electrical signal detection ambient light.
In one embodiment, the transmission region is light-permeable material.
In one embodiment, the angle number of degrees between the reflector and the frame are in (0,90).
In one embodiment, the transmission region is located at the edge of the touch screen, the transmission region along perpendicular to
The width range in the direction of the frame is 0.5 millimeter -1 millimeter.
In one embodiment, described device may also include driving circuit, the driving circuit and the touch screen and described
Processor is electrically connected, and the driving circuit touches under the control of the processor according to the luminous intensity adjustment detected is described
Control the display brightness of screen.
According to the second aspect of the embodiment of the present disclosure, a kind of environment light detection method is provided, the described method includes：
Ambient light is transmitted on reflector by the transmission region of the touch screen；
It will be in the reflection of ambient light that the transmission region transmits to light sensor by the reflector；
The ambient light is converted to by electric signal by the light sensor；
By the processor according to the luminous intensity of the electrical signal detection ambient light.
In one embodiment, the method may also include：
The display brightness of the touch screen is adjusted based on the luminous intensity that the processor detects by driving circuit.
According to the third aspect of the embodiment of the present disclosure, a kind of electronic equipment is provided, including the ring described in above-mentioned first aspect
Border optical detection device.
The technical scheme provided by this disclosed embodiment can include the following benefits：It is saturating by what is opened up on touch screen
Ambient light is transmitted on reflector by light region, and then the ambient light that transmission region transmits is re-reflected into light level by reflector
On device, so as to which ambient light can be converted to electric signal by light sensor, and pass through processor according to the electrical signal detection environment
The luminous intensity of light.It is understood based on foregoing description, by the way that light sensor is hidden in below touch screen, and is reflected using reflector
Principle, to realize the detection of ambient light, will can lead in reflection of ambient light to light sensor to avoid on the frame of electronic equipment
The mode for crossing perforate sets light sensor, when the touch screen of electronic equipment is shields comprehensively, can be opened to avoid on comprehensive screen
If for accommodating the hole of light sensor, it is ensured that screen has more aesthetics and globality comprehensively.
It should be appreciated that above general description and following detailed description are only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and the principle for explaining the present invention together with specification.
Figure 1A is the structure chart according to a kind of ambient light detection device shown in an exemplary embodiment.
Figure 1B is according to a kind of comprehensive screen equipment figure shown in Figure 1A illustrated embodiments.
Fig. 2 is the flow chart according to a kind of environment light detection method shown in an exemplary embodiment.
Fig. 3 is the frame according to a kind of electronic equipment suitable for ambient light detection device shown in an exemplary embodiment
Figure.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Figure 1A is the structure chart according to a kind of ambient light detection device shown in an exemplary embodiment；Figure 1B is according to figure
A kind of comprehensive screen equipment figure shown in 1A illustrated embodiments, the ambient light detection device can apply electronic equipment (such as：Intelligence
Energy mobile phone, tablet computer) on, as shown in Figure 1A, which includes：Touch screen 10, reflector 11, frame 12,
Light sensor 13 and printed circuit board 14, one end of reflector 11 are fixed on the inside of frame 12, reflector 11 it is another
End is fixed on printed circuit board 14, and transmission region 101, the position of transmission region 101 and reflector 11 are offered on touch screen 10
Put corresponding, light sensor 13 is located at the reflective side of reflector 11, and is fixed on printed circuit board 14, and and printed circuit
Processor 141 on plate 14 is electrically connected.
Wherein, ambient light 15 is transmitted to reflector 11 by touch screen 10 for passing through transmission region 101；
Reflector 11, the ambient light 15 for transmission region 101 to be transmitted are reflected into light sensor 13；
Light sensor 13, for ambient light 15 to be converted to electric signal；
Processor 141, for the luminous intensity according to electrical signal detection ambient light.
In one embodiment, touch screen 10 can be shielded comprehensively, and electronic equipment can be designed to superelevation screen accounting at this time
Equipment, front is virtually all screen.As shown in Figure 1B, it is a kind of illustrative comprehensive screen equipment.
In one embodiment, since touch screen 10 is screen comprehensively, screen accounting rate is very high, therefore at the top of touch screen 10
It is that no space can place light sensor 13, therefore light sensor 13 is hidden in 10 lower section of touch screen in the disclosure,
And pass through the transmission region 101 set on touch screen 10 and ambient light 15 is imported on light sensor 13, the transmission region 101
The edge of touch screen 10 can be located at, can be 0.5 millimeter -1 millimeter along the width range perpendicular to the direction of frame 12.
Since transmission region 101 is located at the edge of touch screen 10, and only 0.5 millimeter -1 millimeter of width, therefore have no effect on complete
The effect of face.
In one embodiment, the transmission region 101 opened up on touch screen 10 can be light-permeable material, such touch screen 10
Perforate is not required, the integrality of touch screen 10 can be kept, and then touch screen 10 can be made to have more aesthetics and globality.
Wherein, which can be transparent glass, and ambient light can pass through transparent glass with free of losses.
In one embodiment, the angle number of degrees between reflector 11 and frame 12 may range from (0,90), so as to
To ensure that ambient light 15 can have polarizers of big angle scope being reflected on light sensor 13 by reflector 11.
Wherein, if the angle between reflector 11 and frame 12 is a, the width of transmission region 101 is d, by transparent area
Domain 101 is corresponding with the position of reflector 11 to be understood, the width of reflector 11 is d/sina.For example, the width of transmission region 101
D=0.5 millimeters, the angle a=45 degree between reflector 11 and frame 12, the width of reflector 11 is 0.5 millimeter.
In one embodiment, ambient light detection device can also include driving circuit, which can be with touch screen
10 and processor 141 be electrically connected, which, can be according to the luminous intensity tune detected under the control of processor 141
The display brightness of whole touch screen 10.So as to which processor can realize the adjustment of touch screen display brightness by driving circuit.
Wherein, processor 141 can be pre-configured with the relational expression of ambient light intensity and display brightness, true based on the relational expression
Fixed display brightness value corresponding with the luminous intensity of ambient light, and the display brightness of touch screen 10 is arranged to definite display brightness
Value.
From above-described embodiment, ambient light is transmitted on reflector by the transmission region opened up on touch screen, so
The ambient light that transmission region transmits is re-reflected on light sensor by reflector afterwards, so as to which light sensor can be by ambient light
Electric signal is converted to, and passes through luminous intensity of the processor according to the electrical signal detection ambient light.It is understood, passed through based on foregoing description
Light sensor is hidden in below touch screen, and using reflector principle of reflection by reflection of ambient light to light sensor with
It realizes the detection of ambient light, electricity can be worked as to avoid light sensor is set by way of perforate on the frame of electronic equipment
The touch screen of sub- equipment for screen comprehensively when, can be to avoid opening up to accommodate the hole of light sensor on comprehensive screen, it is ensured that complete
Face has more aesthetics and globality.
Fig. 2 is according to a kind of flow chart of environment light detection method shown in an exemplary embodiment, ambient light detection
Method can be applied on an electronic device, as shown in Fig. 2, the environment light detection method includes the following steps：
In step 201, ambient light is transmitted on reflector by the transmission region of touch screen.
It in step 202, will be in the reflection of ambient light that transmission region transmits to light sensor by reflector.
In step 203, ambient light is converted to by electric signal by light sensor.
In step 204, by processor according to the luminous intensity of electrical signal detection ambient light.
After performing step 204, processor can also adjust touch-control by driving circuit based on the luminous intensity detected
The display brightness of screen.
Above-mentioned steps 201 to the flow described in step 204 may refer to the associated description of above-mentioned Figure 1A illustrated embodiments, no
It repeats again.
In the present embodiment, ambient light is transmitted on reflector by the transmission region opened up on touch screen, it is then reflective
The ambient light that transmission region transmits is re-reflected on light sensor by plate, so as to which light sensor can be converted to ambient light
Electric signal, and pass through luminous intensity of the processor according to the electrical signal detection ambient light.It is understood based on foregoing description, by by light
Sensor is hidden in below touch screen, and using reflector principle of reflection by reflection of ambient light to light sensor to realize ring
The detection of border light can work as electronic equipment to avoid light sensor is set by way of perforate on the frame of electronic equipment
Touch screen for screen comprehensively when, can be to avoid opening up to accommodate the hole of light sensor on comprehensive screen, it is ensured that screen is more comprehensively
Have aesthetics and globality.
Fig. 3 is the frame according to a kind of electronic equipment suitable for ambient light detection device shown in an exemplary embodiment
Figure.For example, electronic equipment 300 can be mobile phone, and computer, digital broadcast terminal, messaging devices, game control
Platform, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
With reference to Fig. 3, electronic equipment 300 can include following one or more assemblies：Processing component 302, memory 304,
Power supply module 306, multimedia component 308, audio component 310, the interface 312 of input/output (I/O), sensor module 314,
And communication component 316.
The integrated operation of 302 usual control electronics 300 of processing component, such as with display, call, data lead to
Letter, camera operation and record operate associated operation.Processing element 302 can be held including one or more processors 320
Row instruction, to perform all or part of the steps of the methods described above.In addition, processing component 302 can include one or more moulds
Block, convenient for the interaction between processing component 302 and other assemblies.For example, processing component 302 can include multi-media module, with
Facilitate the interaction between multimedia component 308 and processing component 302.
Memory 304 is configured as storing various types of data to support the operation in equipment 300.These data are shown
Example is included for the instruction of any application program or method that are operated on electronic equipment 300, contact data, telephone directory number
According to, message, picture, video etc..Memory 304 can by any kind of volatibility or non-volatile memory device or they
Combination realize, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable
Programmable read only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, quick flashing
Memory, disk or CD.
Power supply module 306 provides power supply for the various assemblies of electronic equipment 300.Power supply module 306 can include power supply pipe
Reason system, one or more power supplys and other generate, manage and distribute power supply associated component with for electronic equipment 300.
Multimedia component 308 is included in the screen of one output interface of offer between the electronic equipment 300 and user.
In some embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch surface
Plate, screen may be implemented as touch-screen, to receive input signal from the user.Touch panel includes one or more touch
Sensor is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or slip
The border of action, but also detect duration and pressure associated with the touch or slide operation.In some embodiments,
Multimedia component 308 includes a front camera and/or rear camera.When equipment 300 is in operation mode, mould is such as shot
When formula or video mode, front camera and/or rear camera can receive external multi-medium data.Each preposition camera shooting
Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 310 is configured as output and/or input audio signal.For example, audio component 310 includes a Mike
Wind (MIC), when electronic equipment 300 is in operation mode, during such as call model, logging mode and speech recognition mode, microphone
It is configured as receiving external audio signal.The received audio signal can be further stored in memory 304 or via logical
Letter component 316 is sent.In some embodiments, audio component 310 further includes a loud speaker, for exports audio signal.
I/O interfaces 312 provide interface between processing component 302 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor module 314 includes one or more sensors, for providing the state of various aspects for electronic equipment 300
Assessment.For example, sensor module 314 can detect opening/closed state of equipment 300, the relative positioning of component, such as institute
The display and keypad that component is electronic equipment 300 are stated, sensor module 314 can also detect electronic equipment 300 or electronics
The position of 300 1 components of equipment changes, the existence or non-existence that user contacts with electronic equipment 300,300 orientation of electronic equipment
Or acceleration/deceleration and the temperature change of electronic equipment 300.Sensor module 314 can include proximity sensor, be configured to
It detects the presence of nearby objects without any physical contact.Sensor module 314 can also include optical sensor, such as
CMOS or ccd image sensor, for being used in imaging applications.In some embodiments, which can be with
Including acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 316 is configured to facilitate the communication of wired or wireless way between electronic equipment 300 and other equipment.
Electronic equipment 300 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.Show at one
In example property embodiment, communication component 316 receives broadcast singal or broadcast from external broadcasting management system via broadcast channel
Relevant information.In one exemplary embodiment, the communication component 316 further includes near-field communication (NFC) module, short to promote
Cheng Tongxin.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, electronic equipment 300 can be by one or more application application-specific integrated circuit (ASIC), number
Word signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 304 of instruction, above-metioned instruction can be performed to complete the above method by the processor 320 of electronic equipment 300.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, it is random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be appreciated that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.
Claims (8)
1. a kind of ambient light detection device, which is characterized in that described device includes：Touch screen, reflector, frame, light level
Device and printed circuit board, one end of the reflector are fixed on the inside of the frame, and the other end of the reflector is fixed
On the printed circuit board, transmission region, the position of the transmission region and the reflector are offered on the touch screen
Corresponding, the light sensor is located at the reflective side of the reflector, and is fixed on the printed circuit board, and with it is described
Processor electrical connection on printed circuit board；Wherein,
The touch screen, for ambient light to be transmitted to the reflector by the transmission region；
The reflector, for by the reflection of ambient light that the transmission region transmits to the light sensor；
The light sensor, for the ambient light to be converted to electric signal；
The processor, for the luminous intensity according to the electrical signal detection ambient light.
2. the apparatus according to claim 1, which is characterized in that the transmission region is light-permeable material.
3. the apparatus according to claim 1, which is characterized in that the angle number of degrees between the reflector and the frame exist
(0,90).
4. the apparatus according to claim 1, which is characterized in that the transmission region is located at the edge of the touch screen, institute
State transmission region along the width range perpendicular to the direction of the frame be 0.5 millimeter -1 millimeter.
5. the apparatus according to claim 1, which is characterized in that described device further includes driving circuit, the driving circuit
It is electrically connected with the touch screen and the processor, the driving circuit is under the control of the processor, according to detecting
Luminous intensity adjust the display brightness of the touch screen.
6. a kind of environment light detection method, which is characterized in that the described method includes：
Ambient light is transmitted on reflector by the transmission region of the touch screen；
It will be in the reflection of ambient light that the transmission region transmits to light sensor by the reflector；
The ambient light is converted to by electric signal by the light sensor；
By the processor according to the luminous intensity of the electrical signal detection ambient light.
7. according to the method described in claim 6, it is characterized in that, the method further includes：
The display brightness of the touch screen is adjusted based on the luminous intensity that the processor detects by driving circuit.
8. a kind of electronic equipment, which is characterized in that the electronic equipment includes any ambient lights of the claims 1-5
Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237405.7A CN108051370A (en) | 2017-11-30 | 2017-11-30 | Ambient light detection method and device, electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237405.7A CN108051370A (en) | 2017-11-30 | 2017-11-30 | Ambient light detection method and device, electronic equipment |
Publications (1)
| Publication Number | Publication Date |
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| CN108051370A true CN108051370A (en) | 2018-05-18 |
Family
ID=62121800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711237405.7A Pending CN108051370A (en) | 2017-11-30 | 2017-11-30 | Ambient light detection method and device, electronic equipment |
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| CN108766387A (en) * | 2018-05-30 | 2018-11-06 | 京东方科技集团股份有限公司 | Display device, the method and terminal device for automatically adjusting brightness of display screen |
| CN109151119A (en) * | 2018-09-20 | 2019-01-04 | 深圳阜时科技有限公司 | With the mobile device shielded comprehensively |
| CN109470448A (en) * | 2018-09-28 | 2019-03-15 | 南京华睿川电子科技有限公司 | A kind of detection method of touch screen imaging |
| CN111653606A (en) * | 2020-06-28 | 2020-09-11 | 武汉华星光电技术有限公司 | Display panel integrated with ambient light sensor, display device and preparation method of display device |
| CN112188111A (en) * | 2020-09-23 | 2021-01-05 | 北京小米移动软件有限公司 | Photographing method and device, terminal and storage medium |
| CN112689038A (en) * | 2020-12-17 | 2021-04-20 | Oppo广东移动通信有限公司 | Decoration assembly of electronic device and electronic device |
| WO2023044743A1 (en) * | 2021-09-24 | 2023-03-30 | Intel Corporation | Device to allow sensors t0 operate when lid is closed |
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| WO2023044743A1 (en) * | 2021-09-24 | 2023-03-30 | Intel Corporation | Device to allow sensors t0 operate when lid is closed |
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