CN113576474A - Electronic equipment and blood oxygen detection method thereof - Google Patents
Electronic equipment and blood oxygen detection method thereof Download PDFInfo
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- CN113576474A CN113576474A CN202010367567.8A CN202010367567A CN113576474A CN 113576474 A CN113576474 A CN 113576474A CN 202010367567 A CN202010367567 A CN 202010367567A CN 113576474 A CN113576474 A CN 113576474A
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- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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Abstract
The embodiment of the application discloses an electronic device and a blood oxygen detection method thereof; the electronic device includes: the display screen is used for emitting a first optical signal, the signal emitter is used for emitting a second optical signal, the signal receiver is used for receiving the second optical signal, and the processor is used for processing the second optical signal. The signal emitter and the signal receiver are both arranged below the display screen, and the processor is respectively connected with the display screen, the signal emitter and the signal receiver. The processor is used for controlling the display screen and the signal emitter to alternately emit corresponding optical signals when the blood oxygen detection area detects human body information in a blood oxygen detection mode, and receiving the first optical signal and the second optical signal reflected back through the human body through the signal receiver. The reflected optical signal is processed to obtain the blood oxygen saturation. This application is through utilizing the display screen as the light source and setting up signal transmitter under the screen to this has realized openly detecting oxyhemoglobin saturation through the display screen of electronic equipment, and has reduced the detection cost.
Description
Technical Field
The present application relates to the field of electronic technologies, and in particular, to an electronic device and a blood oxygen detection method thereof.
Background
The blood oxygen saturation can reflect whether the human body is lack of oxygen, hyperkinesia, altitude reaction and the like, and is particularly important for newborns, old people and sports people. The product mainly applying photoelectric detection technology in the market at present is a clip type pulse oxygen instrument. In daily life, a person who needs to monitor the blood oxygen saturation level in his body needs to additionally purchase the finger clip type pulse oximeter, which cannot be carried at any time and any place and is inconvenient to carry.
Disclosure of Invention
The embodiment of the application provides an electronic device and a blood oxygen detection method thereof, which realize the front detection of the blood oxygen saturation degree through a display screen of the electronic device, not only reduce the blood oxygen detection cost, but also carry out the blood oxygen detection at any time and any place.
In a first aspect, an embodiment of the present application provides an electronic device, including:
a display screen;
the signal emitter is arranged below the display screen;
the signal receiver is arranged below the display screen;
the processor, the processor is connected with display screen, signal transmitter and signal receiver respectively, the processor is used for:
in a blood oxygen detection mode, when human body information is detected in a blood oxygen detection area, the display screen is controlled to emit a first optical signal, and the signal receiver is controlled to receive the first optical signal reflected by the human body from the first optical signal;
stopping the display screen from transmitting the first optical signal, controlling the signal transmitter to transmit a second optical signal, and controlling the signal receiver to receive the second optical signal which passes through the display screen and is reflected back by a human body;
processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation;
and controlling the display screen to display the blood oxygen saturation.
In a second aspect, an embodiment of the present application provides a blood oxygen detection method applied to an electronic device, where the electronic device includes a display screen, a signal emitter and a signal receiver, where the signal emitter and the signal receiver are both disposed below the display screen, and the measurement method includes:
in a blood oxygen detection mode, when human body information is detected in a blood oxygen detection area, the display screen is controlled to emit a first optical signal, and the signal receiver is controlled to receive the first optical signal reflected by the human body from the first optical signal;
stopping the display screen from transmitting the first optical signal, controlling the signal transmitter to transmit a second optical signal, and controlling the signal receiver to receive the second optical signal which passes through the display screen and is reflected back by a human body;
processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation;
and controlling the display screen to display the blood oxygen saturation.
In a third aspect, a storage medium is provided in this application, and a computer program is stored thereon, and when the computer program runs on a computer, the computer is caused to execute the blood oxygen detection method provided in any embodiment of this application.
This application embodiment can be through utilizing the display screen as the light source and setting up signal transmitter under the screen to this display screen that has realized through electronic equipment openly detects oxyhemoglobin saturation, has not only reduced the blood oxygen detection cost, can carry out the blood oxygen detection moreover anytime and anywhere.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 2 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Fig. 3 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 4 is a schematic cross-sectional structure diagram of an electronic device according to an embodiment of the present application.
Fig. 5 is a flowchart illustrating a blood oxygen detection method according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 100 may be a smart phone, a tablet computer, a Personal Digital Assistant (PDA), or the like.
The electronic device 100 may include a housing 10, where the housing 10 has an inner surface and an outer surface opposite to each other, the inner surface may be a surface on which various components of the electronic device 100 are mounted, and the outer surface may be an exterior of the electronic device 100. For example, the outer surface of the housing 10 may be the side visible to the user and the inner surface may be the side not visible to the user.
With continued reference to fig. 1, the electronic device 100 may further include a display screen 20, and the display screen 20 may be disposed in the housing 10 to form a display surface of the electronic device 100. The housing 10 may include a battery cover plate and an outer frame, in which the battery cover plate is integrally connected to the outer frame. The display 20 serves as a front case of the electronic device 100 and forms an enclosed space with the housing 10 for accommodating other electronic elements or functional components of the electronic device 100. Meanwhile, the display screen 20 forms a display surface of the electronic device 100, and may display information such as images and texts. The Display screen 10 may be a Liquid Crystal Display (LCD) or an Organic Light-Emitting Diode (OLED) Display screen.
Referring to fig. 2, fig. 2 is a block diagram of an electronic device according to an embodiment of the present disclosure.
The electronic device 100 may further include a signal emitter 30, the signal emitter 30 is disposed below the display screen 20, and the signal emitter 30 is electrically connected to the display screen 20, and may be connected by a signal line, such as a copper line. The signal emitter 30 may emit an optical signal to the outside, for example, may emit infrared light to the outside. The signal emitter 30 may be an infrared emitting lamp through which infrared light is emitted to the outside.
The electronic device 100 may further include a signal receiver 40, the signal receiver 40 is disposed below the display screen 20, and the signal receiver 40 is electrically connected to the display screen 20 and may be connected by a signal line, such as a copper line. The signal receiver 40 may receive an optical signal. For example, it can receive the light signal emitted from the display screen 20 and reflected back through the human body, or receive the light signal emitted from the signal emitter 30 and transmitted through the display screen 20 and reflected back through the human body. The signal receiver 40 may receive an optical signal and convert the received optical signal into an electrical signal. The signal receiver 40 may be a light sensitive device, and the inside of the device may be a photodiode.
The electronic device 100 may further include a processor 50, the processor 50 may be used to process various operations of the electronic device, the processor 50 is integrated on the circuit board, and with continuing reference to fig. 2, the processor 50 is connected to the display screen 20, the signal transmitter 30 and the signal receiver 40 respectively. The processor 50 is a control center of the electronic apparatus 100, and various interfaces and lines are used to connect various parts of the entire electronic apparatus 100.
The processor 50 is configured to, in a blood oxygen detection mode, control the display screen 20 to emit a first optical signal and control the signal receiver 40 to receive the first optical signal reflected by the human body from the first optical signal, then stop the display screen 20 from emitting the first optical signal, control the signal emitter 30 to emit a second optical signal, control the signal receiver 40 to receive the second optical signal reflected by the human body from the second optical signal passing through the display screen 20, and then process the reflected first optical signal and the reflected second optical signal to obtain a blood oxygen saturation level and control the display screen 20 to display the blood oxygen saturation level when the blood oxygen detection area detects human body information. The human body information may include pressing information and shielding information. In actual operation, when the shielding information is judged, a preset distance can be set, and when the distance from the human body to the blood oxygen detection area is smaller than the preset distance and the human body is positioned above the blood oxygen detection area, the human body information meeting the detection of the blood oxygen detection area is judged.
Referring to fig. 3, fig. 3 is another schematic structural diagram of an electronic device according to an embodiment of the disclosure.
A preset display area 21 may be disposed on the display screen 20 of the electronic device 100, and the first light signal is emitted through the preset display area 21. Furthermore, the display screen 20 may further comprise a first position 22 and a second position 23, and the preset display area 21 is arranged between the first position 22 and the second position 23. Wherein the projection position of the signal transmitter in the direction of the display screen 20 corresponds to the first position 22, and the projection position of the signal receiver in the direction of the display screen 20 corresponds to the second position 23. The preset display area 21, the first position 22 and the second position 23 are all disposed within the blood oxygen detection area 24.
In some embodiments, when electronic device 100 enters the blood oxygen detection mode, the user may press the blood oxygen detection region 24 with a finger, or the finger is close to and positioned in the area above the blood oxygen detection area 24, when the processor monitors that the human body information in the blood oxygen detection area 24 meets the preset condition, the processor controls a preset display area 21 of said display screen 20 to emit a first light signal, the first optical signal may be red light, for example, red light with a wavelength of 660nm, and then the red light reflected back from the human body by the red light is received by the signal receiver, the preset area 21 then stops emitting red light, and controls the signal emitter to emit a second light signal, the second optical signal may be infrared light, for example infrared light having a wavelength of 940nm, the infrared light that passes through the display screen 20 and is reflected back through the human body is then received by a signal receiver. The signal receiver converts the received red light reflected by the human body and the infrared light passing through the display screen 20 and reflected by the human body into corresponding electrical signals respectively, and then sends the electrical signals to the processor for processing, so as to obtain the blood oxygen saturation degree, and the result of the blood oxygen saturation degree is displayed through the display screen 20.
Here, the blood oxygen saturation (SpO 2) refers to the percentage of the volume of oxygenated hemoglobin (HbO 2) bound by oxygen in blood to the volume of total bindable hemoglobin (Hb), that is, the concentration of blood oxygen in blood. Due to the absorption characteristics of hemoglobin Hb and oxygenated hemoglobin HbO2 for light of different wavelengths, the blood oxygen saturation SpO2 can be measured by detecting the volume change caused by the pulse pressure by measuring the amount of light transmitted or reflected to the signal receiver.
For example, hemoglobin Hb has a higher absorption coefficient for light having a wavelength of 600nm to 800nm, and oxyhemoglobin HbO2 has a higher absorption coefficient for light having a wavelength of 800nm to 1000 nm.
The preset condition is that the electronic device detects that the finger covers the preset display area 21, the first position 22 and the second position 23.
In some embodiments, the display screen of the electronic device 100 may mark the preset display area 21, the first position 22, and the second position 23, so that the user can accurately perform the human body information operation.
Referring to fig. 4, fig. 4 is a schematic cross-sectional structure diagram of an electronic device according to an embodiment of the present disclosure. The blood oxygen detection area is marked on the display screen 20, and the preset display area is also marked. The signal transmitter 30 and the signal receiver 40 are both disposed below the display screen 20. Wherein, the predetermined display area is set in the display screen area between the projection areas of the signal transmitter 30 and the signal receiver 40 in the direction of the display screen 20. The blood oxygen detection area includes a predetermined display area and a projection area of the signal emitter 30 and the signal receiver 40 on the display screen 20.
With reference to fig. 4, the electronic device may further include a shielding element 25, the shielding element 25 is disposed between the signal transmitter 30 and the signal receiver 40, and the shielding element 25 is configured to block diffraction of the optical signal to prevent a decrease in signal-to-noise ratio caused by the diffraction. For example, the shutter member 25 may be a bezel.
Further, in order to better block the diffraction of the optical signal, the foam 26 may be disposed in other areas except the projection area in the direction of the display screen 20 corresponding to the signal transmitter 30 and the signal receiver 40. In fig. 27, a printed circuit board is shown as a support for electronic components and also as a carrier for electrical connection of electronic components.
In one embodiment, the user may press the blood oxygen detection area of fig. 4 with a finger or bring the finger close to and above the blood oxygen detection area 24, and the display 20 prompts the user to perform corresponding operation information to enable the user to perform blood oxygen detection correctly. When the preset display area, the signal transmitter 30 and the signal receiver 40 are projected on the display screen 20 by a finger of a user, red light with a wavelength of 660nm is emitted through the preset display area, then the red light reflected back by a human body is received by the signal receiver 40, then the red light displayed in the preset display area is turned off, the signal transmitter 30 is turned on, infrared light with a wavelength of 940nm is emitted through the signal transmitter 30, and then the infrared light passing through the display screen 20 and reflected back by the human body is received by the signal receiver 40. The signal receiver 40 converts the received red light reflected back by the human body and the infrared light passing through the display screen 20 and reflected back by the human body into corresponding electrical signals, and then sends the electrical signals to the processor for processing, so as to obtain the blood oxygen saturation, and the result of the blood oxygen saturation is displayed through the display screen 20.
Further, in order to ensure that the detected blood oxygen saturation degree is more accurate and the user can conveniently evaluate, a plurality of groups of blood oxygen saturation degree values can be obtained by repeating the above processes, and the test result is displayed to the user in an image mode through data processing. It should be noted that, in the actual blood oxygen detecting process, in order to prevent the interference of other light rays, other display areas of the display screen 20 are in the screen-off state except the preset display area during the blood oxygen detecting process. In addition, when detecting the body information of the user, the signal emitter 30 may be used to emit infrared rays to determine the operation condition of the user, for example, determine the approaching condition of the body, and in the actual blood oxygen detection process, the infrared rays should be turned off first, and then normal detection is performed.
Referring to fig. 5, fig. 5 is a schematic flow chart of a blood oxygen detection method provided in an embodiment of the present application, where the blood oxygen detection method of an electronic device may be applied to the electronic device described in the embodiment of the present application, and the blood oxygen detection method may include the following steps:
101. in the blood oxygen detection mode, when the blood oxygen detection area detects human body information, the display screen is controlled to emit a first optical signal, and the control signal receiver receives the first optical signal reflected by the human body.
The blood oxygen detection area is an area where a user performs human body information operation, and prompt area information of the blood oxygen detection area can be generated. The signal receiver is arranged below the display screen and in a sealed space formed by the display screen and the shell. The signal receiver is used for receiving an optical signal and converting the received optical signal into an electrical signal. The first optical signal is light with a wavelength between 600nm and 800nm, for example, red light with a wavelength of 660nm can be selected. The signal receiver can be a light sensitive device, and the inside of the device can be a photodiode. The human body information may include pressing information and shielding information. In actual operation, when the shielding information is judged, a preset distance can be set, and when the distance from the human body to the blood oxygen detection area is smaller than the preset distance and the human body is positioned above the blood oxygen detection area, the human body information meeting the detection of the blood oxygen detection area is judged.
In some embodiments, referring to fig. 3 together, the display screen 20 of the electronic device 100 may include a predetermined display area 21 and a second position 23, wherein the predetermined display area 21 may be dedicated to emit the first light signal. The signal receiver is arranged below the display screen, and the projection position of the signal receiver in the direction of the display screen 20 corresponds to the second position 23.
102. And stopping the display screen from transmitting the first optical signal, controlling the signal transmitter to transmit the second optical signal, and controlling the signal receiver to receive the second optical signal which passes through the display screen and is reflected back by the human body.
The signal emitter is arranged below the display screen and in a sealed space formed by the display screen and the shell. The signal emitter is used for emitting a second optical signal outwards, and the second optical signal is light with a wavelength between 800nm and 1000nm, for example, infrared light with a wavelength of 940nm can be selected. The signal emitter 30 may be an infrared emitting lamp through which infrared light is emitted to the outside. It should be noted that, the display screen is first stopped to emit the first optical signal, so as to prevent the first optical signal from interfering with the second optical signal. In addition, in the actual blood oxygen detection process, in order to prevent the interference of other light rays, except for the preset display area, other display areas of the display screen are all in a screen-off state in the blood oxygen detection process. When the human body information input by the user is detected, the signal emitter can be used for emitting infrared rays to judge the approaching condition of the user, and in the actual blood oxygen detection process, the infrared rays are firstly turned off and then normal detection is carried out.
In some embodiments, referring to fig. 3 together, the display screen 20 of the electronic device 100 may include a first position 22, wherein a signal emitter is disposed below the display screen 20, and a projection position of the signal emitter in the direction of the display screen corresponds to the first position 22.
Referring to fig. 3, the predetermined display area 21, the first position 22 and the second position 23 are all disposed in the blood oxygen detection area 24. The preset display area 21, the first position 22 and the second position 23 on the display screen 20 may be labeled to make the user clearly identify the corresponding position for inputting the human body information. In addition, the display screen can be controlled to prompt the user with corresponding operation information, for example, the prompt can be "please aim at the finger of the marked area" to enable the user to correctly perform the blood oxygen detection.
103. And processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation.
Here, the blood oxygen saturation (SpO 2) refers to the percentage of the volume of oxygenated hemoglobin (HbO 2) bound by oxygen in blood to the volume of total bindable hemoglobin (Hb), that is, the concentration of blood oxygen in blood. Due to the absorption characteristics of hemoglobin Hb and oxygenated hemoglobin HbO2 for light of different wavelengths, the blood oxygen saturation SpO2 can be measured by detecting the volume change caused by the pulse pressure by measuring the amount of light transmitted or reflected to the signal receiver.
For example, hemoglobin Hb has a higher absorption coefficient for light having a wavelength of 600 to 800 nm. The absorption coefficient of oxyhemoglobin HbO2 for light with a wavelength between 800 and 1000 is higher.
In some embodiments, the first optical signal may be red light having a wavelength of 660nm and the second optical signal may be infrared light having a wavelength of 940 nm. The red light absorption amount of human skin can be obtained through the loss condition of the reflected red light. Similarly, the amount of absorption of infrared light by human skin can be obtained by the loss of the reflected infrared light. The blood oxygen saturation in the human skin can be obtained through the absorption amount of the human skin to the red light and the absorption amount to the infrared light.
104. And controlling the display screen to display the blood oxygen saturation.
For example, when the user performs blood oxygen detection, the display screen displays the corresponding blood oxygen saturation level.
In some embodiments, assuming that the blood oxygen saturation level is abnormal, the user may be prompted for the abnormality and advise the user of timely medical attention or cautionary events.
As can be seen from the above, in the blood oxygen detection mode, when the blood oxygen detection area detects the information of the human body, the display screen and the signal transmitter are controlled to alternately transmit the corresponding optical signals, and the signal receiver receives the optical signals that pass through the display screen and are reflected back by the human body. And the reflected optical signal is processed to obtain the blood oxygen saturation. This application is through utilizing the display screen as the light source and setting up signal transmitter under the screen to this display screen that has realized through electronic equipment openly detects oxyhemoglobin saturation, has not only reduced blood oxygen and has detected the cost, can carry out blood oxygen detection anytime and anywhere moreover. In addition, the occupied design space of the electronic equipment can be saved.
The embodiment of the present application further provides a storage medium, where the storage medium stores a computer program, and when the computer program runs on a computer, the computer is caused to execute any one of the above-mentioned blood oxygen detection methods.
For example, in some embodiments, when the computer program is run on a computer, the computer performs the steps of:
in a blood oxygen detection mode, when human body information is detected in a blood oxygen detection area, the display screen is controlled to emit a first optical signal, and the signal receiver is controlled to receive the first optical signal reflected by the human body from the first optical signal;
stopping the display screen from transmitting the first optical signal, controlling the signal transmitter to transmit a second optical signal, and controlling the signal receiver to receive the second optical signal which passes through the display screen and is reflected back by a human body;
processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation;
and controlling the display screen to display the blood oxygen saturation.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any blood oxygen detection method provided in the embodiments of the present application, the beneficial effects that can be achieved by any blood oxygen detection method provided in the embodiments of the present application can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
It should be noted that, for the blood oxygen detection method of the embodiment of the present application, it can be understood by those skilled in the art that all or part of the processes for implementing the blood oxygen detection method of the embodiment of the present application can be implemented by controlling the relevant hardware through a computer program, and the computer program can be stored in a computer readable storage medium, such as a memory of an electronic device, and executed by at least one processor in the electronic device, and during the execution, the processes of the embodiment of the blood oxygen detection method can be included.
In the description of the present application, it is to be understood that terms such as "first", "second", and the like are used merely to distinguish one similar element from another, and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated.
The electronic device and the blood oxygen detecting method thereof provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, which are only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An electronic device, comprising:
a display screen;
the signal emitter is arranged below the display screen;
the signal receiver is arranged below the display screen;
the processor, the processor is connected with display screen, signal transmitter and signal receiver respectively, the processor is used for:
in a blood oxygen detection mode, when human body information is detected in a blood oxygen detection area, the display screen is controlled to emit a first optical signal, and the signal receiver is controlled to receive the first optical signal reflected by the human body from the first optical signal;
stopping the display screen from transmitting the first optical signal, controlling the signal transmitter to transmit a second optical signal, and controlling the signal receiver to receive the second optical signal which passes through the display screen and is reflected back by a human body;
processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation;
and controlling the display screen to display the blood oxygen saturation.
2. The electronic device of claim 1, wherein the display screen comprises a predetermined display area configured to emit the first light signal.
3. The electronic device of claim 2, wherein the display screen further comprises a first position and a second position, and the predetermined display area is disposed between the first position and the second position, wherein a projection position of the signal transmitter in the direction of the display screen corresponds to the first position, and a projection position of the signal receiver in the direction of the display screen corresponds to the second position.
4. The electronic device of claim 3, wherein the predetermined display area, the first location, and the second location are all disposed within the blood oxygen detection area, and wherein the processor is further configured to:
monitoring human body information in the blood oxygen detection area in a blood oxygen detection mode;
and when the human body information meets a preset condition, controlling the preset display area and the signal emitter to alternately emit light signals, wherein except the preset display area, other display areas of the display screen are in a screen-off state in the blood oxygen detection process.
5. The electronic device of claim 4, wherein the display screen is further configured to:
and marking the preset display area, the first position and the second position.
6. The electronic device of claim 1, further comprising a blocking component disposed between the signal emitter and the signal receiver, the blocking component configured to block diffraction of the optical signal.
7. The electronic device of claim 1, wherein in the blood oxygen test mode, the processor is further configured to:
and controlling the display screen to prompt corresponding operation information to the user so as to prompt the user to carry out blood oxygen detection.
8. A blood oxygen detection method is applied to electronic equipment, the electronic equipment comprises a display screen, a signal emitter and a signal receiver, the signal emitter and the signal receiver are both arranged below the display screen, and the measurement method comprises the following steps:
in a blood oxygen detection mode, when human body information is detected in a blood oxygen detection area, the display screen is controlled to emit a first optical signal, and the signal receiver is controlled to receive the first optical signal reflected by the human body from the first optical signal;
stopping the display screen from transmitting the first optical signal, controlling the signal transmitter to transmit a second optical signal, and controlling the signal receiver to receive the second optical signal which passes through the display screen and is reflected back by a human body;
processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation;
and controlling the display screen to display the blood oxygen saturation.
9. The blood oxygen detection method according to claim 8, wherein the display screen includes a predetermined display area, a first position and a second position, wherein the predetermined display area is disposed between the first position and the second position, a projected position of the signal transmitter in the direction of the display screen corresponds to the first position, a projected position of the signal receiver in the direction of the display screen corresponds to the second position, and the measurement method further comprises:
in a blood oxygen detection mode, when the blood oxygen detection area detects human body information, the preset display area is controlled to emit a first optical signal, and a signal receiver corresponding to the second position is controlled to receive the first optical signal which passes through a display screen and is reflected back by a human body;
stopping the preset display area from emitting the first optical signal, controlling a signal emitter corresponding to the first position to emit a second optical signal, and controlling a signal receiver corresponding to the second position to receive the second optical signal which passes through a display screen and is reflected back by a human body;
processing the reflected first optical signal and the reflected second optical signal to obtain the blood oxygen saturation;
and controlling the display screen to display the blood oxygen saturation.
10. A storage medium having stored thereon a computer program which, when run on a computer, causes the computer to execute the blood oxygen detection method according to any one of claims 8-9.
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