WO2022028470A1 - Dispositif électronique et procédé de commande de module infrarouge - Google Patents

Dispositif électronique et procédé de commande de module infrarouge Download PDF

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Publication number
WO2022028470A1
WO2022028470A1 PCT/CN2021/110518 CN2021110518W WO2022028470A1 WO 2022028470 A1 WO2022028470 A1 WO 2022028470A1 CN 2021110518 W CN2021110518 W CN 2021110518W WO 2022028470 A1 WO2022028470 A1 WO 2022028470A1
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WO
WIPO (PCT)
Prior art keywords
infrared
light
electronic device
display screen
transmitting hole
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Application number
PCT/CN2021/110518
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English (en)
Chinese (zh)
Inventor
杨雪洁
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维沃移动通信有限公司
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Publication of WO2022028470A1 publication Critical patent/WO2022028470A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3218—Monitoring of peripheral devices of display devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device

Definitions

  • the present application belongs to the field of electronic technology, and specifically relates to an electronic device and an infrared module control method.
  • an infrared sensor is generally installed on the electronic device, but in the actual use of the electronic device, the infrared light emitted by the infrared sensor is irradiated on the display screen for a long time, which will lead to the use of the photosensitive element on the display screen. Short lifespan.
  • the purpose of the embodiments of the present application is to provide an electronic device and an infrared module control method, which can solve the problem that the infrared light emitted by the infrared sensor is irradiated on the display screen for a long time, which will lead to a short service life of the photosensitive element on the display screen. problem.
  • an embodiment of the present application provides an electronic device, including: a display screen and an infrared module, wherein the infrared module is disposed toward the display screen;
  • the infrared module when the display screen is in a bright screen state, works in the first waveband; when the display screen is in an off screen state, the infrared module works in the second waveband;
  • the first band is larger than the second band.
  • an embodiment of the present application provides an infrared module control method, which is applied to the electronic device described in the first aspect, and the method includes:
  • the infrared module controlling the electronic equipment works in the first waveband
  • the infrared module controlling the electronic device works in the second band
  • the first band is larger than the second band.
  • an embodiment of the present application provides an infrared module control device, which is applied to the electronic device described in the first aspect, and the infrared module control includes:
  • an acquisition module for acquiring the display state of the display screen of the electronic device
  • a first control module configured to control the infrared module of the electronic device to work in the first waveband when the display screen is in a bright screen state
  • a second control module configured to control the infrared module of the electronic device to work in the second band when the display screen is in an off-screen state
  • the first band is larger than the second band.
  • an embodiment of the present application provides an electronic device, the electronic device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being The processor, when executed, implements the steps of the method as described in the second aspect.
  • an embodiment of the present application provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the second aspect are implemented .
  • an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the second aspect the method described.
  • the infrared module when the display screen is in the bright screen state, the infrared module works in the first waveband; and when the display screen is in the off screen state, the infrared module works in the second waveband, and the first waveband The waveband is larger than the second waveband.
  • the infrared module can be controlled to work in different wavebands according to the state of the display screen, and the detection function can be realized in the above-mentioned different wavebands, thereby reducing the reliability of the photosensitive elements on the display screen. damage, which in turn extends the life of the light-sensitive elements on the display.
  • Fig. 2 is one of the relationship diagrams of a kind of wavelength and energy value provided by the embodiment of the present application;
  • 3 is the second diagram of a relationship between a wavelength and an energy value provided by an embodiment of the present application.
  • FIG. 4 is a second schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 5 is a third schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 6 is a fourth schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 7 is a fifth schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 8 is a sixth schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 9 is a seventh schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 10 is one of the circuit structure diagrams of an electronic device provided by an embodiment of the present application.
  • 11 is the second circuit structure diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 13 is the second flowchart of a method for determining a display screen state provided by an embodiment of the present application.
  • 15 is a schematic structural diagram of an infrared module control device provided by an embodiment of the present application.
  • FIG. 16 is an eighth schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 17 is a ninth schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between “first”, “second”, etc.
  • the objects are usually of one type, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the application.
  • the electronic device includes: a display screen 10 and an infrared module, and the infrared module faces the display screen 10 set up;
  • the infrared module works in the first band; when the display screen 10 is in the off-screen state, the infrared module works in the second waveband band; the first band is greater than the second band.
  • the above-mentioned photosensitive element may be: a thin film field effect transistor (Thin Film Transistor, TFT) photosensitive element.
  • TFT photosensitive element mainly made of silicon material, typical silicon photodiode spectral response has a long wavelength limit of about 1100nm, a short wavelength limit of about 400nm, and a peak wavelength of about 900nm
  • infrared module emits
  • infrared light generally using infrared light with a wavelength of 940 nm
  • the inductance light on the TFT will cause the threshold voltage (Vth) to shift and the leakage current to increase.
  • the infrared module when the display screen 10 is in the bright screen state, the infrared module works in the first band; and when the display screen 10 is in the off-screen state, the infrared module works in the second band, and
  • the first waveband is larger than the second waveband, so that the infrared module can be controlled to work in different wavebands according to the different states of the display screen 10 , and the above-mentioned different wavebands can all realize the detection function, thereby reducing the light perception on the display screen 10
  • the reliability of the components is damaged, thereby prolonging the service life of the photosensitive components on the display screen 10 .
  • the infrared module can either emit infrared light or receive infrared light.
  • the infrared module can include components that emit infrared light and components that receive infrared light.
  • the The infrared module includes an infrared transmitter 20 and an infrared receiver 30 .
  • the infrared transmitter 20 is used for emitting infrared light
  • the infrared receiver 30 is used for receiving infrared light, so that the difference between the emission of infrared light and the reception of infrared light can be better, and the confusion of emission and reception of infrared light can be avoided.
  • the infrared transmitter 20 can transmit the first infrared light of the first band, and the infrared receiver 30 can receive the first reflected infrared light to realize distance detection;
  • the infrared transmitter 20 can transmit the second infrared light of the second wavelength band, and the infrared receiver 30 can receive the second reflected infrared light to realize distance detection, and the first wavelength band is greater than the second wavelength band.
  • infrared light of different wavelength bands is used to realize infrared detection, thereby reducing the damage to the reliability of the photosensitive element on the display screen 10 and prolonging the reliability of the photosensitive element on the display screen 10 .
  • the service life correspondingly, also prolongs the service life of the display screen 10 .
  • the infrared detection is realized by using the infrared light of the second band, which can enhance the detection sensitivity.
  • the infrared transmitter 20 and the infrared receiver 30 can be packaged into an integral molding structure, so that the connection strength and fixing effect of the entire infrared module can be enhanced.
  • the first reflected infrared light can be the infrared light that is transmitted out of the display screen 10 by the first infrared light, meets the external detection object 40 and then is reflected back into the display screen 10 and is received by the infrared receiver 30; the same
  • the second reflected infrared light may be the infrared light that the second infrared light transmits out of the display screen 10 , encounters the external detection object 40 , then is reflected back into the display screen 10 , and is received by the infrared receiver 30 .
  • the first waveband is greater than the second waveband, and the first waveband may be referred to as a long waveband (eg, 1300 nm), and the second waveband may be referred to as a medium waveband (eg, 940nm).
  • the infrared transmitter 20 emits infrared light in the middle band (for example, 940 nm), the infrared light affects the display screen.
  • the reliability of the display screen 10 has a great influence, that is, when the display screen 10 is in the bright screen state, when the mid-band (940nm) infrared light is irradiated on the display screen 10 for a long time, the organic materials and TFT photosensitive elements of the screen itself of the display screen 10 will be damaged. A permanent failure will occur; and when the display screen 10 is in the off-screen (ie, power-off) state, the influence of the mid-band infrared light on the reliability of the display screen 10 is negligible.
  • the infrared emitter 20 when the display screen 10 is bright (ie, powered on), and the infrared emitter 20 emits long-wavelength (eg, 1300 nm) infrared light, the infrared light has little effect on the reliability of the display screen 10 .
  • the abscissas of FIG. 2 and FIG. 3 both represent wavelengths, and the ordinates represent energy values.
  • the infrared receiver 30 can receive the reflected infrared light, and can detect the intensity of the reflected infrared light.
  • the infrared receiver 30 can also only receive and emit infrared light, and send the detection result to the processor of the electronic device, and the processor finally obtains the distance value between the external object to be detected and the electronic device according to the detection result.
  • the electronic device can realize distance detection through the first reflected infrared light corresponding to the first infrared light in the first wavelength band and the second reflected infrared light corresponding to the second infrared light in the second wavelength band, then as an optional implementation manner, the electronic device can implement proximity detection through the first reflected infrared light corresponding to the first infrared light in the first band, and the electronic device can detect the proximity through the second reflected infrared light corresponding to the second infrared light in the second band Light enables remote detection.
  • the state of the display screen 10 can be adjusted to the off-screen state; similarly, when the display screen 10 is in the off-screen state, and the intensity of the second reflected infrared light is detected to be less than or equal to the second preset threshold, it can be explained that At this time, the external object to be detected 40 is far away from the electronic device, and at this time, the state of the display screen 10 can be adjusted to a bright screen state.
  • the infrared transmitter 20 includes a first infrared transmitter for emitting infrared light corresponding to the first wavelength band and a second infrared transmitter for emitting infrared light corresponding to the second wavelength band Infrared transmitter.
  • the infrared light corresponding to the first wavelength band and the second infrared transmitter for emitting infrared light corresponding to the second wavelength band are provided, the infrared light corresponding to the first wavelength band and the infrared light corresponding to the first wavelength band are provided with The infrared light corresponding to the second wavelength band has a better emission effect, and the phenomenon of mutual interference between the infrared light corresponding to the first wavelength band and the infrared light corresponding to the second wavelength band is reduced.
  • the infrared receiver 30 can receive reflected infrared light corresponding to the first wavelength band and reflected infrared light corresponding to the second wavelength band.
  • the infrared receiver 30 may also include a first receiving component for receiving reflected infrared light corresponding to the first wavelength band, and a second receiving component for reflecting infrared light corresponding to the second wavelength band. The specific method is not limited here.
  • the infrared receiver 30 includes a first infrared receiver for receiving reflected infrared light corresponding to the first wavelength band and a first infrared receiver for receiving reflected infrared light corresponding to the second wavelength band the second infrared receiver.
  • the infrared light corresponding to the first wavelength band can be better distinguished.
  • the light and the infrared light corresponding to the second wavelength band reduce the mutual interference of the above two kinds of infrared light, resulting in the occurrence of the phenomenon that the detection result has a large error.
  • the above two embodiments may be implemented simultaneously, or only one of them may be implemented. That is, the electronic device may include the first infrared transmitter, the second infrared transmitter, the first infrared receiver and the second infrared receiver at the same time; alternatively, the electronic device may only include the first infrared transmitter and the second infrared transmitter The transmitter; or, the electronic device only includes: the first infrared receiver and the second infrared receiver.
  • the electronic device further includes a housing with an accommodating slot opened on the housing, and the display screen 10 , the infrared transmitter 20 and the infrared receiver 30 are all arranged in the accommodating The infrared transmitter 20 and the infrared receiver 30 are located between the display screen 10 and the groove bottom of the accommodating groove.
  • the infrared transmitter 20 and the infrared receiver 30 are both located in the accommodating groove, that is, the infrared transmitter 20 and the infrared receiver 30 are both arranged under the screen, so that the display screen 10 does not need to be opened with
  • the light-transmitting holes of the infrared transmitter 20 and the infrared receiver 30 increase the screen ratio of the electronic device.
  • the infrared transmitter 20 and the infrared receiver 30 can also be embedded in the gap between the display screen 10 and the casing.
  • the specific setting position is not limited here.
  • a light-shielding layer 50 is further arranged between the display screen 10 and the infrared module, and a light-transmitting hole is formed on the light-shielding layer 50 .
  • the light hole is arranged opposite to the infrared module.
  • the specific material of the light shielding layer 50 is not limited herein, for example, the light shielding layer 50 may be a light shielding foam layer or a light shielding coating layer.
  • the light-shielding layer 50 is further provided between the display screen 10 and the infrared module, and the light-shielding layer 50 is provided with a light-transmitting hole at the position corresponding to the infrared module, in this way, the light can be irradiated through the light-transmitting hole. into the infrared module, so as to ensure that the detection function of the infrared module can be realized normally.
  • the position where the light-transmitting hole is not opened on the light-shielding layer 50 can isolate the light (also referred to as reflection) to avoid light.
  • the light-transmitting hole includes a first light-transmitting hole 51 and a second light-transmitting hole 52.
  • the infrared module includes the infrared transmitter 20 and the infrared receiver 30
  • the infrared transmitter 20 and the first light-transmitting hole 51 are disposed opposite to each other
  • the infrared receiver 30 and the second light-transmitting hole 52 are disposed opposite to each other.
  • a first light-transmitting hole 51 is opened on the light-shielding layer 50 at a position corresponding to the infrared transmitter 20 , and the light-shielding layer 50 corresponds to the position of the infrared receiver 30 .
  • a second light-transmitting hole 52 is opened.
  • first light-transmitting holes 51 and the second light-transmitting holes 52 are not limited here.
  • the first light-transmitting holes 51 and the second light-transmitting holes 52 may be circular holes or rectangular holes.
  • shape and size of the first light-transmitting hole 51 and the second light-transmitting hole 52 can be adapted to the infrared transmitter 20 and the infrared receiver 30, respectively.
  • the light-shielding layer 50 is provided with the first light-transmitting hole 51 and the second light-transmitting hole 52 , and the first light-transmitting hole 51 is disposed opposite to the infrared emitter 20 , the second light-transmitting hole 52 is opposite to the infrared emitter 20 .
  • the infrared receivers 30 are arranged opposite to each other, thereby reducing the occurrence of mutual interference between the infrared light emitted by the infrared transmitter 20 and the reflected infrared light received by the infrared receiver 30, and further improving the accuracy of the detection result.
  • the infrared transmitter 20 and the infrared receiver 30 may share a light-transmitting hole, that is, the infrared transmitter 20 and the infrared receiver 30 are both disposed opposite to the light-transmitting hole.
  • the infrared transmitter 20 includes a first infrared transmitter 21 that emits the first infrared light and a second infrared transmitter 22 that emits the second infrared light.
  • the infrared receiver 30 includes a first infrared receiver 31 for receiving the first reflected infrared light and a second infrared receiver 32 for receiving the second reflected infrared light.
  • the first infrared emitter 21 can be made of indium gallium arsenide material, and the second infrared emitter 22 can be made of silicon material.
  • the electronic device may also include a battery cover, a battery cover, a printed circuit board, a circuit board reinforcing plate, a middle frame support, a glass cover plate and other components.
  • the first infrared transmitter 21 for transmitting the first infrared light and the first infrared receiver 31 for receiving the first infrared light are provided, and the second infrared transmitter 22 for transmitting the second infrared light and receiving the first infrared light is provided.
  • Two second infrared receivers 32 that reflect infrared light so as to avoid the occurrence of the first infrared light and the second infrared light emission and reception errors, and at the same time, it also enhances the first infrared light and the second infrared light emission mode Diversity.
  • the first light-transmitting hole 51 includes a first sub-light-transmitting hole 511 and a second sub-light-transmitting hole 512
  • the second light-transmitting hole 52 is located in the first light-transmitting hole 511 . between a sub-transparent hole 511 and the second sub-transparent hole 512;
  • the infrared transmitter 20 includes the first infrared transmitter 21 and the second infrared transmitter 22
  • the infrared receiver 30 includes the first infrared receiver 31 and the second infrared receiver 32
  • the first infrared emitter 21 is arranged opposite to the first sub-transparent hole 511
  • the second infrared emitter 22 is arranged opposite to the second sub-transparent hole 512
  • the first Both the infrared receiver 31 and the second infrared receiver 32 are disposed opposite to the second light-transmitting hole 52 .
  • the size of the second light-transmitting hole 52 may be larger than the size of the first sub-light-transmitting hole 511 and the size of the second sub-light-transmitting hole 512 .
  • the value of the distance between the first sub-transparent hole 511 and the second translucent hole 52, and the value of the distance between the second sub-transparent hole 512 and the second translucent hole 52 may be the same, for example: the above distance
  • the value can be 3 mm to 4.5 mm, so that the detection effect of oil stains and black hair can be ensured better, and the phenomenon of optical path crosstalk can be avoided.
  • the first infrared receiver 31 and the second infrared receiver 32 share the second light-transmitting hole 52 , thereby reducing the number of openings on the light-shielding layer, reducing the processing difficulty and improving the processing efficiency.
  • the second light-transmitting hole 52 includes a third sub-light-transmitting hole 521 and a fourth sub-light-transmitting hole 522 , and the first light-transmitting hole 51 is located in the between the third sub-transparent hole 521 and the fourth sub-transparent hole 522;
  • the infrared transmitter 20 includes the first infrared transmitter 21 and the second infrared transmitter 22
  • the infrared receiver 30 includes the first infrared receiver 31 and the second infrared receiver 32
  • the first infrared receiver 31 is arranged opposite to the third sub-transparent hole 521
  • the second infrared receiver 32 is arranged opposite to the fourth sub-transparent hole 522
  • the first Both the infrared emitter 21 and the second infrared emitter 22 are disposed opposite to the first light-transmitting hole 51 .
  • the size of the first light-transmitting hole 51 may be larger than the size of the third sub-light-transmitting hole 521 and the size of the fourth sub-light-transmitting hole 522 .
  • the first infrared emitter 21 and the second infrared emitter 22 share the first light-transmitting hole 51 , thereby also reducing the number of openings on the light-shielding layer, reducing the processing difficulty and improving the processing efficiency.
  • INT data line
  • a first filter structure 60 and a second filter structure are further provided in the accommodating groove.
  • the first filter structure 60 and the second filter structure are all movably arranged between the infrared module and the display screen 10;
  • the infrared emitter 20 when the first filter structure 60 is located between the infrared module and the display screen 10, the infrared emitter 20 emits infrared light corresponding to the first wavelength band; When the second filter structure is located between the infrared module and the display screen 10, the infrared emitter emits infrared light corresponding to the second wavelength band.
  • the first filter structure 60 and the second filter structure may be structures such as filters or filter films, and the specific types are not limited herein.
  • the first filter structure 60 can be used to filter out the light other than the first wavelength band.
  • the second filter structure can be used to filter out the light other than the second wavelength band.
  • the infrared transmitter 20 and the infrared receiver 30 in the embodiment of the present application may be made of materials that respond to the full spectrum (for example, about 400 nm to 1500 nm).
  • the positions of the first filter structure 60 and the second filter structure in the embodiments of the present application can be moved, and the first filter structure 60 can filter out wavelength bands other than the first wavelength band, and the second filter structure can filter out wavelength bands other than the first wavelength band.
  • the wavelength band other than the second wavelength band that is, the first filter structure 60 can only allow the infrared light of the first wavelength band to pass through
  • the second filter wavelength band can only allow the infrared light of the second wavelength band to pass through.
  • the structure 60 or the second filter structure is used to control the electronic device to perform detection through the infrared light corresponding to the first wavelength band or the infrared light corresponding to the second wavelength band, thereby enhancing the flexibility of the detection method.
  • the infrared module can emit infrared light corresponding to the full spectrum (for example: about 400nm to 1500nm).
  • the infrared light is detected, so that the selection of the infrared light of the first band or the second band is more convenient.
  • the first filter structure 60 and the second filter structure can be switched manually.
  • the electronic device may include a connector, and one end of the connector may be connected to the first filter respectively.
  • the filter structure 60 is connected to the second filter structure, and the other end of the connecting piece can protrude from the housing of the electronic device, and the user can control the first filter structure 60 by pressing the other end of the connecting piece and the movement of the second filter structure, so that the first filter structure 60 or the second filter structure is located between the infrared module and the display screen 10 .
  • the other end of the connecting piece can be sleeved with an elastic button, so that the connecting piece can be protected, and at the same time, the waterproof and dustproof effect can be achieved.
  • a driving component may also be provided in the electronic device, and the driving component is connected to the first optical filter structure 60 and the second optical filter structure, and can drive the first optical filter structure 60 and the second optical filter structure.
  • Two filter structures move.
  • the above-mentioned driving component can be electrically connected with the controller of the electronic device, so that the movement of the first filter structure 60 and the second filter structure is controlled more precisely.
  • the above-mentioned drive assembly may include components such as a motor.
  • the electronic device includes a switching circuit, the switching circuit is respectively connected to the first filter structure 60 and the second filter structure, and the switching circuit is used to control all the One of the first filter structure 60 and the second filter structure is located between the infrared module and the display screen 10 .
  • the position of the first filter structure 60 and the position of the second filter structure can also be switched by the switching circuit, so as to achieve the purpose of selecting the filter wavelength band.
  • the switching circuit can also be connected to the controller, so that the controller can control the positions of the first filter structure 60 and the second filter structure more accurately through the switching circuit.
  • FIG. 11 is a circuit structure diagram of an electronic device provided by an embodiment of the present application.
  • the electronic device includes: an infrared transmitter 20 , an infrared Receiver 30, analog-to-digital converter (ADC) 80, digital part circuit (Digital Part) 81, first-band infrared light emitter driver (TX-A LED Driver) 82, second-band infrared light emitter driver (TX- B LED Driver) 83, emission filter structure switching circuit 84, reception filter structure switching circuit 85 and application processor/smart sensor hub (AP/Sensor Hub) 86, while the application processor/smart sensor hub (AP/ Sensor Hub) 86 is provided with power line (VDD) 861, data line (INT) 862, control line (SCL) 863, data line (SDA) 864, A control line (Control A) 865, B control line (Control B) ) 866, transmit control line
  • VDD power line
  • INT data line
  • SCL control line
  • SDA data line
  • the above-mentioned infrared transmitter 20 is in the case of emitting the infrared light of the first waveband, the first waveband infrared light transmitter driver (TX-A LED Driver) 82 works, and the infrared transmitter 20 is in the situation of transmitting the infrared light of the second waveband , the second-band infrared light transmitter driver (TX-B LED Driver) 83 works, in addition, the infrared transmitter 20 and the infrared receiver 30 included in the infrared module may have respective corresponding filter structures, and the above-mentioned filter structures may It can be set separately, or can be integrally formed.
  • the infrared transmitter 20 may be correspondingly provided with a first sub-filter structure and a second sub-filter structure
  • the infrared receiver 30 may be correspondingly provided with a third sub-filter structure and a fourth sub-filter structure.
  • the filter structure and the third sub-filter structure are located between the infrared module and the display screen 10
  • the first sub-filter structure and the third sub-filter structure are equivalent to the first filter structure
  • the second sub-filter structure and the fourth sub-filter structure are equivalent to the second filter structure.
  • an embodiment of the present application further provides a method for controlling an infrared module.
  • the method provided by the embodiment of the present application is applied to the electronic device in the above-mentioned embodiment. As shown in FIG. 12 , the method includes:
  • Step 1201 Acquire the display state of the display screen of the electronic device.
  • the state of the display screen may be a screen-on state or a screen-off state.
  • Step 1202 When the display screen is in a bright screen state, control the infrared module of the electronic device to work in the first waveband.
  • Step 1203 When the display screen is in an off-screen state, control the infrared module of the electronic device to work in the second waveband.
  • the first band is larger than the second band.
  • the state of the display screen can be determined according to the received reflected infrared light.
  • the first reflected infrared light is the reflected infrared light corresponding to the first band
  • the second reflected infrared light is the reflected infrared light corresponding to the first band.
  • the infrared light is the reflected infrared light corresponding to the second wavelength band.
  • the state of the display screen can be determined according to the first reflected infrared light or the second reflected infrared light received by the infrared receiver in the infrared module of the electronic device.
  • the above steps may include: determining whether the state of the display screen needs to be adjusted according to the first reflected infrared light or the second reflected infrared light; when the state of the display screen needs to be adjusted, the first reflected infrared light or the second Reflected infrared light determines the state of the display. In this way, when the state of the display screen does not need to be adjusted, it is not necessary to adjust the state of the display screen, so that the power consumption of the electronic device can be reduced.
  • the determining the state of the display screen according to the first reflected infrared light or the second reflected infrared light received by the infrared receiver of the electronic device includes:
  • the state of the display screen is a screen-off state; or, when the second value is less than a second preset threshold, it is determined that the display The state of the screen is the bright screen state.
  • first numerical value and the second numerical value may refer to numerical values corresponding to the intensity of infrared light, and of course, may also be other standard values.
  • the first infrared light can be used to realize the proximity detection, and the second infrared light can be used to realize the distance detection.
  • the damage to the display screen can be reduced, and the distance detection can also be enhanced.
  • the flexibility of the method enhances the intelligence of electronic equipment.
  • the determining the state of the display screen according to the first reflected infrared light or the second reflected infrared light received by the infrared receiver of the electronic device includes:
  • the state of the display screen is the bright screen state; or, in the case that the second value is greater than or equal to the second preset threshold, It is determined that the state of the display screen is the off-screen state.
  • the method further includes:
  • Stop responding to a target input, wherein the target input is used to trigger fingerprint recognition, and at least one of triggering touching the display screen to light the display screen.
  • the target input may be touch input, press input, or voice input.
  • infrared light of different wavelength bands can be used to realize infrared detection, thereby reducing the damage to the reliability of the photosensitive element on the display screen, and further Extends the life of the light-sensitive elements on the display.
  • the embodiments of the present application respectively provide two infrared module control methods, which can be applied to mobile phones.
  • steps 1301 to 1311 in FIG. 13 please refer to steps 1301 to 1311 in FIG. 13 , and steps 1401 to 1409 in FIG. 14 . corresponding expression.
  • the A channel in Figure 13 and Figure 14 may refer to the detection channel composed of the infrared transmitter and the infrared receiver corresponding to the first band
  • the B channel may refer to the infrared transmitter and the infrared receiver corresponding to the second band.
  • the 5 cm distance threshold value, the 3 cm distance threshold value, and the 1 cm distance threshold value may refer to the intensity values corresponding to the reflected infrared light.
  • the A channel and the B channel can work together, thereby enhancing the flexibility and diversity of distance detection, while reducing the damage to the display screen of the electronic device and extending the display screen. service life.
  • the execution body may be an infrared module control device, or a control module for executing the infrared module control method in the infrared module control device.
  • the infrared module control device provided by the embodiment of the present application is described by taking the infrared module control device executing the infrared module control method as an example.
  • an embodiment of the present application further provides an infrared module control device.
  • the infrared module control device 1500 includes:
  • an acquisition module 1501 configured to acquire the display state of the display screen of the electronic device
  • the first control module 1502 is used to control the infrared module of the electronic device to work in the first wave band when the display screen is in a bright screen state;
  • the second control module 1503 is configured to control the infrared module of the electronic device to operate in the second wavelength band when the display screen is in the off-screen state, wherein the first wavelength band is greater than the second wavelength band.
  • the infrared module control device in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus may be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
  • UMPC ultra-mobile personal computer
  • netbook or a personal digital assistant
  • non-mobile electronic devices can be servers, network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (television, TV), teller machine or self-service machine, etc., this application Examples are not specifically limited.
  • Network Attached Storage NAS
  • personal computer personal computer, PC
  • television television
  • teller machine or self-service machine etc.
  • the infrared module control device in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the infrared module control device provided in the embodiment of the present application can implement each process implemented by the method embodiments in FIGS. 12 to 14 , and to avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides an electronic device 1600, including a processor 1601, a memory 1602, a program or instruction stored in the memory 1602 and executable on the processor 1601,
  • an electronic device 1600 including a processor 1601, a memory 1602, a program or instruction stored in the memory 1602 and executable on the processor 1601,
  • the program or instruction is executed by the processor 1601
  • each process of the above-mentioned embodiment of the infrared module control method can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the electronic devices in the embodiments of the present application include the above-mentioned mobile electronic devices and non-mobile electronic devices.
  • FIG. 17 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
  • the electronic device 1700 includes but is not limited to: a radio frequency unit 1701, a network module 1702, an audio output unit 1703, an input unit 1704, a sensor 1705, a display unit 1706, a user input unit 1707, an interface unit 1708, a memory 1709, and a processor 1710, etc. part.
  • the electronic device 1700 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. consumption management and other functions.
  • a power source such as a battery
  • the structure of the electronic device shown in FIG. 17 does not constitute a limitation on the electronic device.
  • the electronic device may include more or less components than those shown in the figure, or combine some components, or arrange different components, which will not be repeated here. .
  • the processor 1710 is used for:
  • the infrared module controlling the electronic device works in the first waveband
  • the infrared module controlling the electronic device works in the second band
  • the first band is larger than the second band.
  • the input unit 1704 may include a graphics processor (Graphics Processing Unit, GPU) 17041 and a microphone 17042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1706 may include a display panel 17061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1707 includes a touch panel 17071 and other input devices 17072 .
  • the touch panel 17071 is also called a touch screen.
  • the touch panel 17071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 17072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • Memory 1709 may be used to store software programs as well as various data including, but not limited to, application programs and operating systems.
  • the processor 1710 may integrate an application processor and a modem processor, wherein the application processor mainly handles the operating system, user interface, and application programs, and the like, and the modem processor mainly handles wireless communication. It can be understood that the above-mentioned modulation and demodulation processor may not be integrated into the processor 1710.
  • the embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiments of the infrared module control method is implemented, and can To achieve the same technical effect, in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the above infrared module control method In order to avoid repetition, the details are not repeated here.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

Abstract

L'invention concerne un dispositif électronique et un procédé de commande de module infrarouge, le dispositif électronique comprenant : un écran d'affichage (10) et un module infrarouge, le module infrarouge étant disposé face à l'écran d'affichage (10). Lorsque l'écran d'affichage (10) est dans un état d'affichage à l'écran, le module infrarouge fonctionne dans une première gamme d'ondes ; lorsque l'écran d'affichage (10) est dans un état d'affichage hors écran, le module infrarouge fonctionne dans une seconde gamme d'ondes ; la première bande d'ondes est plus grande que la seconde bande d'ondes.
PCT/CN2021/110518 2020-08-05 2021-08-04 Dispositif électronique et procédé de commande de module infrarouge WO2022028470A1 (fr)

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