Physiological parameter measurement method, screen assembly, device, storage medium, and product

Abstract

Embodiments of the present application relate to the technical field of electronics, and provide a physiological parameter measurement method, a screen assembly, a device, a storage medium, and a product. Upon determining a positional area in contact with a user is during a measurement process, a light source corresponding to the positional area is activated to emit a first optical signal, so as to implement physiological parameter measurement, while other light sources do not emit light or emit light at low brightness, reducing or avoiding cross-talk interference from other light sources on a photodetector, thus improving the signal quality and also reducing power consumption. During the measurement process, the user's finger can be placed and pressed at any position within a first area of a display module, providing high flexibility and convenience in use. A device body and the display module can provide good and stable support for the finger to prevent finger movement during the measurement process, thereby improving measurement accuracy; in addition, with favorable support and easy operation for fingers, stable, convenient and highly accurate physiological parameter measurement can be achieved.

Description

Physiological parameter detection methods, screen components, devices, storage media and products

[0001] This application claims priority to Chinese Patent Application No. 202510014314.5, filed on January 3, 2025, entitled "Method for Detecting Physiological Parameters, Screen Assembly, Device, Storage Medium and Product", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of electronic technology, and in particular to a method for detecting physiological parameters, a screen assembly, a device, a storage medium, and a product. Background Technology

[0003] With the continuous advancement of science and technology, more and more electronic products, such as smartphones, tablets, and smart wearable devices (such as smartwatches and bracelets), have entered people's lives and have become one of the necessities of daily life.

[0004] To meet people's daily health monitoring needs, most current electronic devices integrate functional modules for health detection. For example, many electronic devices have photoelectric plethysmography (PPG) modules to obtain PPG signals, thereby enabling the detection of physiological parameters such as heart rate, pulse, and blood oxygenation, and achieving real-time monitoring of the user's health. Improving the accuracy of health indicator detection has become one of the key focuses in the design of electronic devices. Summary of the Invention

[0005] This application provides a method, screen component, device, storage medium, and product for detecting physiological parameters, which can achieve convenient and stable detection of physiological parameters with high accuracy.

[0006] A first aspect of this application provides a method for detecting physiological parameters in an electronic device, the electronic device including a display module and a photodetector, the display module having multiple light sources, the method including:

[0007] Determine the area of ​​contact between the part of the device to be tested and the user.

[0008] The control unit controls the light source corresponding to the location area to emit a first light signal, so that the first light signal returns through the measured part and is received by the photodetector. Other light sources in the control unit are controlled to either not emit light or emit a second light signal, the brightness of which is less than the brightness of the first light signal.

[0009] The first electrical signal output by the photodetector is acquired, and the first physiological parameter information is obtained based on the first electrical signal.

[0010] The above method can be used to detect physiological parameters and obtain first physiological parameter information, which may include: blood flow information, heart rate information, heart rate variability information, blood oxygenation information, fingerprint image information, etc.

[0011] During the detection process, the light source corresponding to the area in the display module that contacts the part to be tested emits a first light signal to detect physiological parameters. Other light sources in the display module either do not emit light or emit a second light signal with lower brightness. This reduces or eliminates the influence of other light sources not used for physiological parameter detection on the photodetector, minimizing or avoiding crosstalk interference, without affecting the physiological parameter detection. This improves signal quality, thereby increasing the accuracy of physiological parameter detection, and also reduces power consumption.

[0012] During the physiological parameter detection process using the above method, the finger to be tested can be placed on the first surface of the display module. The main body of the device provides stable and good support for the display module and the finger to be tested on the first surface. Compared with physiological parameter detection by integrating the detection module into the side buttons, which requires the finger to be in contact with the side buttons for a long time, this method avoids the phenomenon of the finger being suspended in the air, reduces or eliminates finger shaking during the detection process, and helps improve the accuracy of the detection. Moreover, during the detection process, only one finger is needed to ensure that the finger can be stably placed on the first surface for a long time, without the need for other fingers to cooperate for stable support. The finger support and operation are convenient, which helps to improve the ease of operation.

[0013] Furthermore, the physiological parameters of the finger's target area can be detected regardless of where it is placed within the first area, thus obtaining the user's primary physiological parameter information. Compared to methods that require the finger to be placed in a specific position for detection, this method offers greater flexibility and improves the convenience of the detection operation.

[0014] In one possible implementation, before the light source corresponding to the position area in the control display module emits the first light signal, the method further includes: acquiring pressure information of the user's part to be tested applied to the position area, and obtaining a pressure value based on the pressure information.

[0015] Controlling the emission of a first light signal from the light source corresponding to the position area in the display module includes adjusting the brightness of the first light signal based on the pressure applied. By detecting the pressure applied to the position area by the finger or other measuring part, the brightness of the light source can be adjusted according to the pressure applied, which helps improve the quality of the light signal and reduce power consumption.

[0016] In one possible implementation, controlling the light source corresponding to the position area in the display module to emit a first light signal includes: if the pressure value is within a first pressure range, adjusting the brightness of the first light signal according to the pressure value. When the pressure value is within the first pressure range, the electronic device can adaptively adjust the brightness of the first light signal according to the magnitude of the pressure value, using the brightness adjustment of the first light signal to compensate for the impact of the pressure magnitude on the signal quality, ensuring high signal quality detection under different pressure scenarios. Furthermore, it eliminates the need for users to repeatedly adjust the pressure, improving signal quality and detection accuracy, thus offering greater convenience and enhancing the user experience.

[0017] In one possible implementation, the first pressure range includes a second pressure range, which lies between the maximum and minimum values ​​of the first pressure range.

[0018] If the pressure value is within the first pressure range, adjusting the brightness of the first light signal based on the pressure value includes: when the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, increasing the brightness of the first light signal based on the initial brightness. Increasing the light intensity can compensate for light loss caused by poor contact due to insufficient pressure, ensuring sufficient light returns and is detected, thus improving signal quality.

[0019] When the pressure value is within the second pressure range, the brightness of the first optical signal remains constant, maintaining the initial brightness, thus achieving high-accuracy detection. When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the brightness of the first optical signal is reduced based on the initial brightness. This reduces or avoids oversaturation of the returned light, improves signal quality, and also helps reduce power consumption.

[0020] In one possible implementation, if the pressure value is within a first pressure range, adjusting the brightness of the first optical signal based on the pressure value includes: when the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the first optical signal has a first brightness. When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the first optical signal has a second brightness, which can be a first initial brightness. When the pressure value is within the second pressure range, the first optical signal has a third brightness. The first brightness is greater than both the second and third brightness, with the second brightness being greater than the third brightness. This ensures that when the pressure value is relatively small, the first optical signal emitted by the light source has a larger brightness; when the pressure value is relatively large, the first optical signal emitted by the light source has a smaller brightness; and when the pressure value is appropriate, the first optical signal emitted by the light source can be the first initial brightness, guaranteeing high signal quality detection under different pressure scenarios.

[0021] In one possible implementation, after obtaining the pressure value based on the pressure information and before controlling the light source corresponding to the position area in the display module to emit the first light signal, the method further includes:

[0022] If the pressure value is outside the first pressure range, a first prompt message is sent. This reminds the user to adjust the pressure appropriately, which helps improve the signal quality in physiological parameter detection and achieves high accuracy in physiological parameter detection.

[0023] In one possible implementation, the position area is within a first area, which may be part or all of the display area of ​​the display module. Wherein, the first area encompasses the entire display area, allowing the user's finger to be placed anywhere within this area. Using the aforementioned physiological parameter detection method, physiological parameters of the finger can be detected, obtaining the user's initial physiological parameter information. This approach offers greater flexibility and allows for faster and more convenient physiological parameter detection. Furthermore, it adapts well to different user habits, providing a more flexible user experience.

[0024] In one possible implementation, there are multiple photodetectors. Each location region can correspond to at least one photodetector.

[0025] Determining the location area in contact with the user's part to be tested includes: acquiring the detection electrical signals output by all photodetectors, and determining the location area based on the detection electrical signals.

[0026] When a user's finger, the part to be tested, is placed in a specific area within the first region, the electrical signal output by the photodetector corresponding to that area changes. By acquiring the detection electrical signals output by all photodetectors, the photodetector whose signal changes can be identified, and thus the location area corresponding to that photodetector can be identified, thereby determining the location area of ​​contact between the user's part to be tested and the photodetector.

[0027] In one possible implementation, before determining the location area in contact with the user's part to be tested, the method further includes controlling multiple light sources in the display module to emit detection light signals.

[0028] The system acquires the detection electrical signal output by the photodetector and determines whether the user's body part is the contact area to be tested based on the detection electrical signal. If so, the location area is determined based on the detection electrical signal; otherwise, a second prompt message is sent.

[0029] Before determining the contact area with the user's finger, the system first checks whether the contact area is a part of the user's body and not another object. This avoids triggering physiological parameter detection methods due to contact from other objects, thus reducing power consumption. If the contact area is a part of the user's body, the system proceeds with the steps described above for determining the contact area. Otherwise, a second prompt is issued to remind the user to reposition their finger.

[0030] In one possible implementation, the electronic device also includes multiple pressure-sensitive components, with each location area corresponding to at least one pressure-sensitive component.

[0031] Determining the location area in contact with the user's part to be tested includes: acquiring a second electrical signal output from a portion of the pressure-sensitive component, and determining the location area based on the second electrical signal.

[0032] When a user's finger, the part to be tested, is placed in a specific area within the first region, the pressure-sensitive component corresponding to that area detects the pressure applied by the finger and outputs a second electrical signal. Based on the acquired second electrical signal, the pressure-sensitive component can be identified, and thus the corresponding area can be identified, thereby determining the contact area of ​​the user's finger.

[0033] In one possible implementation, after acquiring the second electrical signal output by a portion of the pressure-sensitive component, the method further includes: acquiring pressure information applied by the user's test site to the position area based on the second electrical signal. That is, the pressure-sensitive component can detect the pressure information applied to the first surface, and this pressure information can be used to adjust the brightness of the first light signal from the light source as described above.

[0034] In one possible implementation, the electronic device further includes a depth gauge, and the method further includes:

[0035] When the depth information output by the depth gauge is within a preset range, the position area is determined based on the second electrical signal output by a portion of the pressure-sensitive components to obtain the user's operation information. Based on the acquired second electrical signal, the pressure-sensitive components can be identified, thereby determining the position area corresponding to those components, which in turn determines the area the user is touching. This allows for the acquisition of user operation information and the recognition of user touch input.

[0036] By following the steps described above, user touch operations can be recognized in scenarios such as underwater, enriching the applicable scenarios of electronic devices and broadening their applicability. Furthermore, environmental factors have minimal impact on pressure-sensitive components, enabling this method to work in underwater environments, ensuring interaction with electronic devices and improving the user experience.

[0037] In one possible implementation, a light-transmitting electrode is covered on the first region. When the user's finger, the part to be tested, is placed on the first region, it comes into contact with the light-transmitting electrode. The light-transmitting electrode can collect the potential of the finger, the part to be tested, and output a third electrical signal.

[0038] Before determining the area of ​​contact with the user's test site, the method further includes:

[0039] Acquire the third electrical signal output by the light-transmitting electrode, and determine whether the user's body part is the contact area of ​​the test site based on the third electrical signal;

[0040] If yes, then the user's body part is determined as the contact area of ​​the part to be tested; otherwise, a second prompt message is sent.

[0041] If a user's body part is in contact with the light-transmitting electrode as the test area, the electrode can detect the electrical activity generated by the user's heartbeat. Based on the characteristics of this electrical activity in the third electrical signal, it can be determined whether the user's body part is the contact area. If so, the step of determining the contact area with the user's test area is executed. Otherwise, a second prompt message is issued to remind the user to reposition their finger. This avoids other objects touching or pressing the device, thus preventing it from performing physiological parameter detection methods and reducing power consumption.

[0042] In one possible implementation, after acquiring the third electrical signal output by the light-transmitting electrode, the method further includes: outputting an ECG signal based on the third electrical signal to obtain second physiological parameter information.

[0043] The second physiological parameter information may include heart rate information, heart rhythm information, cardiac systolic and diastolic cycle information, cardiac structural abnormality information, myocardial ischemia information, cardiac electrical axis information, ventricular hypertrophy information, electrolyte imbalance information, etc., enabling electronic devices to have electrocardiogram detection functions.

[0044] In one possible implementation, after outputting the ECG signal based on the third electrical signal, the method further includes: obtaining third physiological parameter information based on the ECG signal and the first electrical signal. The third physiological parameter information may include blood pressure information. Based on the first physiological parameter information obtained from the first electrical signal, and combined with third physiological parameter information such as heart rate information and cardiac systolic and diastolic cycle information obtained from the ECG signal, more accurate blood pressure information can be calculated and analyzed, facilitating the realization of high-precision blood pressure detection without a wristband.

[0045] In one possible implementation, when the applied pressure value is within a first pressure range, the electronic device displays a first measurement interface. This first measurement interface includes a first indicator to indicate the first pressure range. By using the first indicator to indicate the first pressure range on the electronic device's display interface, the user can intuitively observe the magnitude of the applied pressure, thus enhancing the user experience and enjoyment.

[0046] A second aspect of this application provides a screen assembly including a display module. The display module includes a first surface and a second surface facing away from each other. The first surface has a first region located within the display area of ​​the display module. The display module also includes multiple light sources for emitting a first light signal, which returns after passing through a test area located on the first region. The first light signal emitted by the multiple light sources can cover the first region, ensuring that the first light signal can illuminate any location area within the first region.

[0047] The screen assembly also includes multiple photodetectors, which are disposed on one side of the display module. These photodetectors receive the reflected light signals from the area to be measured on the first region, forming a first electrical signal. The multiple photodetectors ensure that light signals transmitted from any location within the first region can be received and responded to by the photodetectors. The first electrical signal is used to obtain first physiological parameter information.

[0048] Physiological parameters can be detected by using a light source and photodetector integrated into the screen assembly, obtaining the user's first physiological parameter information. During the physiological parameter detection process, the finger to be tested can be conveniently placed on the first surface of the screen assembly to realize PPG detection function of the fingertip to be tested. Compared with PPG detection of parts such as the wrist, the PPG signal (such as the obtained first signal) of the fingertip has a richer waveform and higher signal quality, which can realize highly accurate physiological parameter detection.

[0049] Furthermore, the finger to be tested can be placed anywhere within the first area to detect physiological parameters of that area, obtaining the user's primary physiological information. Compared to methods requiring the finger to be placed in a specific position for detection, this offers greater flexibility and improves the ease of operation. Additionally, compared to integrating detection modules like PPG into side operation keys, placing the finger to be tested above the first surface of the screen assembly allows the device to provide stable support for both the screen assembly and the finger on the first surface, preventing finger dangling and reducing or eliminating finger movement during detection, thus improving accuracy. Moreover, during detection, a single finger can be used to ensure stable placement on the first surface for an extended period, without the need for other fingers for support, making finger support and operation convenient and enhancing overall ease of use.

[0050] The setup of multiple light sources and photodetectors can also be used to determine whether the user's test site is in contact with the area being tested during the detection of the aforementioned physiological parameters.

[0051] In one possible implementation, the first region is part or all of the display area.

[0052] In one possible implementation, the first region includes multiple location regions, each corresponding to at least one light source, which can be used to control the light source in the above-mentioned physiological parameter detection.

[0053] Each location area corresponds to at least one photodetector, which can be used to determine the location area of ​​contact between the user's test site and the physiological parameter detection mentioned above.

[0054] For example, each location area corresponds to multiple photodetectors. That is, the return light reflected from the test site in a certain location area can be transmitted to multiple photodetectors corresponding to that location area, forming multiple optical signal (return light) channels and obtaining multiple optical signal waveforms. Using the acquired multi-channel optical signal waveforms and algorithms, signal filtering can be achieved, improving detection accuracy. For example, measurements of physiological parameters that have high requirements for optical signal quality, such as heart rate and blood oxygen, will be more accurate. Furthermore, by combining the characteristics of the multi-channel optical signal waveforms with the correlation with blood pressure, highly accurate blood pressure values ​​can be obtained. This eliminates the need for cuffs or other pressure devices to meet the needs of blood pressure measurement, facilitating cuffless blood pressure measurement.

[0055] In one possible implementation, the display module includes a display panel located between a first surface and a second surface, and the display panel has multiple light sources.

[0056] The photodetector is located on one side of the display panel, which has multiple recesses. At least a portion of the photodetector is located within these recesses. That is, at least a portion of the photodetector is embedded within the display panel along its thickness direction. This reduces the space occupied by the display panel and photodetector in the thickness direction, further facilitating the reduction of screen component thickness and enabling a thinner design for the main body of the device.

[0057] A shielding layer is provided on the inner wall of the recess, surrounding the photodetector. The shielding layer can block light, preventing light signals emitted by light sources around the recess of the display panel from directly entering the photodetector and affecting the quality of the light signal, thus improving the accuracy of physiological parameter detection.

[0058] In one possible implementation, the screen assembly further includes an elastic deformation element and multiple pressure-sensitive components located on one side of the display module. The elastic deformation element cooperates with the display module and is used to generate elastic deformation under the action of the display module when pressure is applied to any position area. The pressure-sensitive components are used to detect the elastic deformation generated by the elastic deformation element to obtain pressure information of the pressure applied to the corresponding position area.

[0059] By using elastic deformation elements and pressure-sensitive components, the pressure applied to any area of ​​the test site can be detected. This pressure information can then be used to remind the user to adjust the pressure in a timely manner, thereby improving the accuracy of the test. Furthermore, the pressure information can also be used to adaptively adjust the brightness of the first light signal emitted by the light source during physiological parameter detection.

[0060] Each location area corresponds to at least one pressure-sensitive component, ensuring that pressure applied to any location area by the finger can be detected. This can also be used to determine the contact area of ​​the user's test site in the aforementioned physiological parameter detection methods. Furthermore, it can be used to enable touch recognition of electronic devices in specific scenarios such as underwater environments.

[0061] In one possible implementation, the pressure-sensitive component includes a support member and a pressure sensor. The support member is connected to both the display module and the elastic deformation member. The display module acts on the elastic deformation member through the support member, causing the elastic deformation member to undergo elastic deformation. Elastic deformation is more likely to occur near the connection point between the elastic deformation member and the support member.

[0062] A pressure sensor is mounted on the elastic deformable element and positioned adjacent to the support element. When pressure is applied to a specific area, the display module acts on the elastic deformable element through the support element in the pressure-sensitive component corresponding to that area, causing the elastic deformable element to elastically deform near the point of connection with the support element. The pressure sensor in the corresponding pressure-sensitive component can then respond to this elastic deformation of the elastic deformable element to detect the amount of elastic deformation, thereby ensuring that pressure information can be detected regardless of where the finger or other part to be tested is placed.

[0063] In one possible implementation, the elastic deformable element is located on one side of the second surface, and the support element is positioned between the display module and the elastic deformable element. This structural design is simple, easy to implement, and does not affect the layout or performance of the display module.

[0064] In one possible implementation, the display module further includes a first circuit board located on one side of the display module, with a photodetector disposed on the first circuit board. An elastic deformable element may be located on the side of the first circuit board facing away from the display panel, and a support member is disposed between the first circuit board and the elastic deformable element.

[0065] By placing the support between the first circuit board and the elastic deformation member, damage to the display panel and other components during pressing can be reduced or avoided, thus improving the service life of the display module.

[0066] In one possible implementation, the screen assembly further includes a light-transmitting electrode disposed on a first surface, covering a first area. When a finger awaiting testing is placed at a certain position within the first area, the finger awaiting testing can contact the light-transmitting electrode. The light-transmitting electrode can acquire a third electrical signal from the finger awaiting testing, and based on this third electrical signal, can output an ECG signal to obtain second physiological parameter information, enabling the electronic device to perform electrocardiogram detection and meeting users' needs for multifunctional electronic devices.

[0067] A third physiological parameter can be obtained by combining the first and third electrical signals. This third physiological parameter can include blood pressure information. Based on the physiological parameter information obtained using a photodetector, and combined with physiological parameters such as heart rate, cardiac contraction and diastolic cycles obtained from the third electrical signal, more accurate blood pressure information can be obtained, further facilitating the realization of high-precision blood pressure detection without a wristband.

[0068] In one possible implementation, the screen assembly further includes a second circuit board disposed on one side of the second surface of the display module. The light-transmitting electrode includes a main body portion and a folded portion. The main body portion is attached to the first surface, and the two sides of the main body portion have folded portions respectively.

[0069] One end of the folded portion lies on the first surface and is connected to the main body, while the other end extends toward and connects to the second circuit board. Alternatively, the folded portion can be folded along the circumferential side of the display module and extend toward the second circuit board, allowing the other end to extend below the first surface. This facilitates electrical connection between the other end of the folded portion and the second circuit board, thus forming an electrical connection loop through the two folded portions. This design is simple and minimizes or avoids the impact of the electrical connection between the light-transmitting electrode and the second circuit board on the performance of the display module.

[0070] In one possible implementation, the screen assembly further includes a flexible connector, with one end of the folded portion electrically connected to a first end of the flexible connector, and the second end of the flexible connector electrically connected to a second circuit board. This allows the light-transmitting electrode to be electrically connected to the second circuit board via the flexible connector, which helps reduce the cost of implementing the electrical connection.

[0071] In one possible implementation, the second circuit board is located on the side of the elastic deformable element facing away from the display panel. The second end of the flexible connector is located on the side of the elastic deformable element facing the second circuit board. The flexible connector is insulated from the elastic deformable element to prevent electrical signals from the flexible connector from interfering with the elastic deformable element and affecting the signal quality of the pressure sensor on the elastic deformable element.

[0072] The screen assembly also includes an elastic conductive element, located between the second end of the flexible connector and the second circuit board, in a compressed state. That is, after being compressed, the elastic conductive element is assembled between the second end of the flexible connector and the second circuit board. The rebound force generated by the compressed elastic conductive element allows the second end of the flexible connector to stably abut and fix against the side of the elastic deformable element facing the second circuit board. This rebound force also ensures a stable connection between the elastic conductive element and the second circuit board, resulting in high connection stability between the flexible connector and the second circuit board, and facilitating assembly.

[0073] A third aspect of this application provides an electronic device including a housing and any of the aforementioned screen components. The housing includes a receiving cavity with an opening at one end, and the screen component is disposed over the opening, with at least a portion of the screen component being received within the receiving cavity.

[0074] A fourth aspect of this application provides an electronic device including a processor and a memory, the memory being coupled to the processor, the memory being used to store computer program code, the computer program code including computer instructions, and the processor calling the computer instructions to cause the electronic device to perform any of the methods described above.

[0075] A fifth aspect of this application provides a computer-readable storage medium including a computer program that, when run on a computer, causes the computer to perform any of the methods described above.

[0076] A sixth aspect of this application provides a computer program product including computer program code, which, when run on a computer, causes the computer to perform any of the methods described above. Attached Figure Description

[0077] Figure 1 is a schematic diagram of an electronic device in a wearing scenario according to an embodiment of this application;

[0078] Figure 2 is a front view of an electronic device provided in an embodiment of this application;

[0079] Figure 3 is a side view of part of the structure of the electronic device in Figure 2;

[0080] Figure 4 is a schematic diagram of a scenario in which an electronic device implements physiological parameter detection according to an embodiment of this application;

[0081] Figure 5 is a flowchart illustrating a physiological parameter detection method provided in an embodiment of this application;

[0082] Figure 6 is a schematic diagram of another scenario where the electronic device provided in the embodiment of this application is used for physiological parameter detection;

[0083] Figure 7 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application;

[0084] Figure 8 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application;

[0085] Figure 9 is a schematic diagram of the display interface of an electronic device provided in an embodiment of this application during the detection of first physiological parameter information;

[0086] Figure 10 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application;

[0087] Figure 11 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application;

[0088] Figure 12 is a schematic diagram of the display interface of an electronic device provided in an embodiment of this application during the detection of second physiological parameter information;

[0089] Figure 13 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application;

[0090] Figure 14 is a schematic diagram of the display interface of an electronic device provided in an embodiment of this application during the detection of a third physiological parameter;

[0091] Figure 15 is a cross-sectional structural diagram of a screen assembly provided in an embodiment of this application;

[0092] Figure 16 is a cross-sectional structural diagram of another screen component provided in an embodiment of this application;

[0093] Figure 17 is a schematic diagram of the distribution structure of a pressure-sensitive module in a screen assembly provided in an embodiment of this application;

[0094] Figure 18 is a cross-sectional structural diagram of a screen assembly in another electronic device provided in an embodiment of this application;

[0095] Figure 19 is a schematic diagram of the bottom shell structure of another electronic device provided in an embodiment of this application;

[0096] Figure 20 is a partial front view schematic diagram of the structure of another electronic device provided in an embodiment of this application;

[0097] Figure 21 is a schematic diagram showing the connection of the light-transmitting electrode, display module and second circuit board in Figure 20;

[0098] Figure 22 is a partial cross-sectional view of a screen assembly in another electronic device provided in an embodiment of this application;

[0099] Figure 23 is a cross-sectional structural diagram of a screen assembly in another electronic device provided in an embodiment of this application.

[0100] Explanation of reference numerals in the attached drawings: 100-Electronic device; 101-Main body of the device; 102-Fixing strap; 103-Operation key; 10-Outer shell; 11-Side frame; 12-Bottom shell; 12a-Contact surface; 20-Screen assembly; 21-Display module; 21a-First surface; 21b-Second surface; 210-First area; 211-Display panel; 212-First circuit board; 213-Light-transmitting cover; 2111-Light source; 2112-Gutter; 2113-Shielding layer; 22-Photodetector; 24-Pressure-sensitive module; 241-Elastic deformable element; 242-Pressure sensor; 243-Supporting element; 25-Light-transmitting electrode; 251-Main body; 252-Folding part; 26-Second circuit board; 27-Flexible connector; 28-Elastic conductive element; 40-First electrode; 50-Second electrode; 200-arm. Detailed Implementation

[0101] The terminology used in the implementation section of this application is for the purpose of explaining specific embodiments of this application only, and is not intended to limit this application.

[0102] This application provides an electronic device, which can be a wearable device. For example, the electronic device can be a watch (mechanical watch and electronic watch), a smartwatch, a bracelet, a smart bracelet, a smart ring, and other wearable devices.

[0103] The electronic device can also be an augmented reality (AR) device, a virtual reality (VR) device, or a mixed reality (MR) device, such as wearable devices like VR glasses, AR glasses, AR helmets, VR helmets, and MR helmets.

[0104] This electronic device can also be a wearable electronic health monitoring device, such as a wearable electrocardiogram monitor, pulse oximeter, blood pressure monitor, etc.

[0105] Alternatively, in some examples, the electronic device can also be a wearable decorative device such as a belt, waistband, bracelet, or anklet.

[0106] Alternatively, the electronic device may also be an electronic terminal device, such as, but not limited to, mobile phones, tablet personal computers, laptops, gaming devices, ultra-mobile personal computers (MPCs), netbooks, point-of-sale (POS) terminals, personal digital assistants (PDAs), electronic database devices, bank ATMs, and other electronic terminal devices.

[0107] Alternatively, the electronic device can also be an in-vehicle electronic device, which can be applied to vehicles, etc.

[0108] For example, in this embodiment of the application, the electronic device is described as a wearable device, such as a watch. The watch can be a mechanical watch, or it can be an electronic watch, a smartwatch, etc.

[0109] Figure 1 is a schematic diagram of an electronic device in a wearing scenario provided by an embodiment of this application.

[0110] Referring to Figure 1, the electronic device 100 can be worn on the user's body, such as on the wrist of the user's arm 200. The electronic device 100 can be used to realize one or more functions such as time display, timing, time announcement, message notification, communication interaction, motion detection, electrocardiogram (ECG) detection, heart rate detection, pulse detection, blood oxygen detection, blood flow velocity detection, blood pressure monitoring, emotion detection, fingerprint detection, and gesture control.

[0111] For example, electronic device 100 may include device body 101 and fixing strap 102. For instance, if electronic device 100 is a watch, device body 101 may be a watch face and fixing strap 102 may be a watch strap.

[0112] The fixing strap 102 serves to secure the device during wear. The electronic device 100 can be worn through the fixing strap 102 to attach the device body 101 to the user. For example, both ends of the device body 101 can be connected to both ends of the fixing strap 102, so that the device body 101 and the fixing strap 102 can together form a closed loop around the user's wrist or other wearing positions, thereby ensuring that the device body 101 is stably worn by the user.

[0113] The fixing belt 102 can be a flexible, bendable belt-like structure. The fixing belt 102 can be made of flexible or rigid materials. For example, the fixing belt 102 can be a rubber belt, a metal belt made of metal links connected in sequence, a cloth belt, etc.

[0114] Figure 2 is a front view of an electronic device provided in an embodiment of this application.

[0115] Referring to Figure 2, the main body 101 of the device may include a housing 10, which may have a receiving chamber (not shown in the figure) for accommodating the various structural components of the electronic device 100.

[0116] For example, taking electronic device 100 as a watch, electronic device 100 may also include a movement (not shown in the figure), which can be assembled in the receiving cavity of the housing 10.

[0117] For example, the movement can be a smart movement. It is understood that the device body 101 can be a structure with the movement assembled inside the housing 10, or the device body 101 can be without the movement assembled, and the device body 101 can only include the housing 10.

[0118] In some examples, the control mechanism may include a main control board, which can control the entire electronic device 100, such as controlling the display of information like timing and health monitoring indicators. For instance, the main control board may include a processor, a control unit, etc.

[0119] The mechanism may also include a battery and a wireless charging coil. The battery can be electrically connected to the processor, control unit, etc., to supply power to the processor, control unit, etc., and the wireless charging coil can be electrically connected to the battery to charge the battery.

[0120] Figure 3 is a side view of part of the structure of the electronic device in Figure 2.

[0121] For example, referring to Figure 3, the outer casing 10 may include a bottom shell 12 and a side frame 11. The bottom shell 12 may be a plate-like structural component, and the side frame 11 may be a frame-like structural component. For example, the outer contour shape of the side frame 11 may be a regular or irregular shape such as a circle, an ellipse, a square, or a rounded rectangle. The shape of the bottom shell 12 may match the shape of the side frame 11.

[0122] The side frame 11 can be located on one side of the bottom shell 12, and the side frame 11 and the bottom shell 12 can together form the receiving cavity of the outer shell 10. The side of the bottom shell 12 facing away from the receiving cavity can be the contact surface 12a. When the electronic device 100 is worn, the contact surface 12a of the bottom shell 12 can contact the user's wearing part (such as the wrist).

[0123] The electronic device 100 may further include a screen assembly 20. The side frame 11, facing away from the bottom housing 12, may form an opening (not shown), and the screen assembly 20 may be disposed on the side of the side frame 11 facing away from the bottom housing 12, covering the opening, thereby sealing the receiving cavity of the housing 10. At least a portion of the screen assembly 20 may be received within the receiving cavity.

[0124] In this embodiment of the application, for ease of description, the thickness direction of the outer shell 10 is shown as the z-direction in Figure 3. The thickness direction can be perpendicular to the bottom shell 12 and the screen assembly 20 respectively. Along the thickness direction (such as the z-direction), the screen assembly 20 and the bottom shell 12 can be located on opposite sides of the side frame 11 respectively.

[0125] The screen component 20 may include a display module 21, which can display images and the like, and can also provide an interactive interface for the user to interact with the electronic device 100.

[0126] For example, the display module 21 can be a liquid crystal display (LCD) module, an organic light-emitting diode (OLED) display module, a light-emitting diode (LED) display module, etc.

[0127] The side of the display module 21 facing away from the bottom shell 12 can be a first surface 21a, which can serve as the display surface of the electronic device 100. The first surface 21a and the contact surface 12a of the bottom shell 12 can be arranged opposite to each other. For example, along the thickness direction (such as the z-direction), the first surface 21a and the contact surface 12a are located on opposite sides of the electronic device 100.

[0128] In some examples, display module 21 may also include a display area and a non-display area (not shown in the figure), the non-display area being set around the display area. The display of images, etc., is implemented within the display area.

[0129] In some examples, the electronic device 100 may also include operation keys 103, which may be located on the main body 101 of the device. Users can interact with the electronic device 100 through the operation keys 103. For example, users can use the operation keys 103 to control the operation of the electronic device 100, such as selecting or switching the functions of the electronic device 100.

[0130] The operation key 103 can be movably disposed on the device body 101 for user operation. For example, the operation key 103 can be disposed on one side of the side frame 11 of the housing 10, for example, the operation key 103 can protrude from the side frame 11.

[0131] For example, the operation key 103 can move toward or away from the device body 101. For instance, the operation key 103 can be a button, which the user can press to move toward the device body 101. Removing the pressure on the operation key 103 or pulling it away from the device body 101 allows it to move away from the device body 101, thus resetting it.

[0132] Alternatively, the operation key 103 can rotate relative to the device body 101. For example, the operation key 103 can be a knob. The operation key 103 is rotated on the device body 101, and the user can rotate the operation key 103 to rotate clockwise or counterclockwise relative to the device body 101.

[0133] The number of operation keys 103 can be one or more. In an example where the electronic device 100 has multiple operation keys 103, the operation keys 103 may move in the same way relative to the device body 101, or at least some of the operation keys 103 may move in different ways relative to the device body 101.

[0134] To meet users' needs for monitoring their own health status, the electronic device 100 may also include a detection module (not shown in the figure) for detecting health indicators, such as a light detection module or an electrocardiogram (ECG) detection module. This detection module can obtain the user's physiological parameter information (such as the first, second, and third physiological parameter information mentioned below), thereby enabling the detection of physiological parameters such as heart rate, ECG, blood oxygen saturation, heart rate variability, and blood pressure. With the increasing awareness of health, new demands have been placed on the convenience and high accuracy of physiological parameter detection. Providing more convenient, stable, and accurate physiological parameter detection has become a hot topic in electronic device product design.

[0135] Based on this, this application provides a physiological parameter detection method and screen assembly. The detection method, after determining the contact area with the user's test site, controls a light source in the display module corresponding to that location to emit a first light signal, thereby achieving physiological parameter detection and obtaining the user's first physiological parameter information. Controlling other light sources to not emit light or to emit a second light signal with lower brightness reduces or avoids the influence of other light sources not used for physiological parameter detection on the photodetector, reducing or avoiding crosstalk interference to the photodetector, without affecting physiological parameter detection. This improves signal quality, thereby increasing the accuracy of physiological parameter detection, and also reduces power consumption. During the physiological parameter detection process using the screen assembly and this detection method, the finger to be tested can be placed on the first surface of the display module, and the main body of the device provides stable and good support for the display module and the finger on the first surface. Compared to integrating a detection module into a side button for physiological parameter detection, this method avoids the phenomenon of the finger being suspended in the air, reduces or avoids finger movement during detection, and also helps improve detection accuracy. Furthermore, during the testing process, a single finger can be used to ensure stable placement on the first surface for an extended period, without the need for other fingers for support. This ease of finger support and operation enhances the convenience of the procedure. Additionally, the physiological parameters of the finger's target area can be measured regardless of its location within the first area of ​​the display region. Compared to methods requiring specific finger placement, this method offers greater flexibility and improves the overall ease of use.

[0136] The physiological parameter detection method provided in this application embodiment can be used in the above-mentioned electronic device 100. The electronic device 100 can execute the method to detect the user's physiological parameters.

[0137] The electronic device 100 may include the aforementioned display module 21 and multiple photodetectors (not shown in the figure). The multiple photodetectors may be located on the side of the display module 21 opposite to the first surface 21a. The display module 21 includes multiple light sources (not shown in the figure), which may be located within the display area of ​​the display module 21. The photodetectors and light sources can serve as components of a light detection module, enabling light detection to obtain the user's first physiological parameter information and thus achieve the detection of physiological parameters.

[0138] To facilitate a better understanding of this physiological parameter detection method, this application provides an example of a scenario in which physiological parameter detection is achieved using the electronic device 100.

[0139] Figure 4 is a schematic diagram of a scenario in which an electronic device implements physiological parameter detection according to an embodiment of this application.

[0140] For example, as shown in Figure 4, in the scenario of physiological parameter detection, taking the user's finger 300 as the part to be tested, the electronic device 100 can be worn on an arm 200, or it can be placed on other platforms, etc. The contact surface of the device body can contact the arm 200 or the platform, etc., and the first surface 21a (display surface) of the display module can face the user.

[0141] The display area of ​​the display module may include a first area 210. The finger to be tested can be placed and pressed on the first surface 21a, and can be located at any position within the first area 210, to ensure that the light emitted by the light source can illuminate the finger to be tested. As shown in Figure 4, taking the electronic device 100 worn on the left arm 200 as an example, the right hand finger 300 can be placed on the first surface 21a and located at any position within the first area 210. The finger 300 remains in contact with the first surface 21a for a period of time. The electronic device 100 executes the physiological parameter detection method, which can realize the detection of physiological parameter information of the finger and obtain the user's physiological parameter information (such as the first physiological parameter information, second physiological parameter information, and third physiological parameter information mentioned below).

[0142] Figure 5 is a flowchart illustrating a physiological parameter detection method provided in an embodiment of this application.

[0143] Referring to Figure 5, the method may include the following steps:

[0144] S101: Determine the location area that will contact the part of the device to be tested.

[0145] When using this method for detection, the user's finger, the part to be tested, is placed on the first surface of the display module and located at a certain position within the first area. The electronic device can determine the area within the first area that is in contact with the user's part to be tested.

[0146] S102: Control the light source in the display module corresponding to the location area to emit a first light signal, and control other light sources in the display module to not emit light or emit a second light signal.

[0147] The correspondence between the location area and the light source can mean that, in the corresponding location area and the light source, the light signal emitted by the light source (such as the first light signal) can illuminate the location area, and the light signal (such as the first light signal) can be received by the photodetector after returning from the part to be measured in the location area.

[0148] In other words, after determining the contact area between the electronic device and the user's test area on the first surface, the electronic device can cause the light source corresponding to that location area to emit a first light signal, which can then illuminate that location area. Part of the first light signal can be absorbed by the tissue inside the test area, and part of the first light signal can be reflected and / or refracted to form a return light signal that returns towards the display module. This return light signal can then illuminate the photodetector and be received by the photodetector to form a first electrical signal.

[0149] After determining the area of ​​contact between the user's test site and the target area, the other light sources in the display module are either de-illuminated or emit a second light signal with a brightness lower than the first light signal. These other light sources can be sources that do not correspond to this specific area. For example, when other light sources are illuminating, their emitted light signals may not reach this area, or a small amount of light signal may reach this area but be easily absorbed by the test site and fail to form reflected light, or the reflected light may be too weak to be received by the photodetector. In other words, when the user's test site is placed within this area, the light signals emitted by other light sources cannot be used to detect the physiological parameters of the test site, nor will they cause significant interference to the detection of these parameters.

[0150] S103: Acquire the first electrical signal output by the photodetector, and obtain the first physiological parameter information based on the first electrical signal.

[0151] The first electrical signal acquired is an electrical signal converted from the return light signal returned by the part to be tested. Compared with the emitted first light signal, the return light signal will have a certain attenuation. Based on the return light signal and the attenuation change between it and the first light signal, the physiological parameter information of the part to be tested, such as the first physiological parameter information, can be obtained, thus realizing the detection of physiological parameters.

[0152] The above method enables the detection of physiological parameters. During the detection process, the light source corresponding to the area in the display module that contacts the part to be measured emits a first light signal to achieve physiological parameter detection. Other light sources in the display module do not emit light or emit a second light signal with lower brightness. Without affecting the physiological parameter detection, this reduces or avoids the influence of other light sources not used for physiological parameter detection on the photodetector, thus reducing or avoiding crosstalk interference. It also improves signal quality (such as the quality of the returned light signal received by the photodetector), thereby improving the accuracy of physiological parameter detection and reducing power consumption.

[0153] In the process of physiological parameter detection using the above method, the finger to be tested is placed on the first surface of the display module. The main body of the device can be worn on the arm or placed on a platform. The arm (or platform), the main body of the device, and the first surface of the display module can be roughly considered as stacked sequentially (e.g., stacked sequentially along the thickness direction). The arm provides good support for the main body of the device, and the main body of the device provides stable and good support for the display module and the finger to be tested on the first surface. Compared with physiological parameter detection by integrating the detection module into the side operation keys, which requires the finger to be in contact with the side keys for a long time, this method avoids the phenomenon of the finger being suspended in the air, reduces or avoids finger shaking during the detection process, and helps to improve the accuracy of the detection. Moreover, during the detection process, one finger can be used to ensure that the finger can be stably placed on the first surface for a long time without the need for other fingers to cooperate for stable support. The finger support and operation are convenient, which helps to improve the ease of operation.

[0154] Furthermore, the physiological parameters of the finger's target area can be detected regardless of where it is placed within the first area, thus obtaining the user's primary physiological parameter information. Compared to methods that require the finger to be placed in a specific position for detection, this method offers greater flexibility and improves the convenience of the detection operation.

[0155] It should be noted that the first light signal emitted by the light source can be a visible light signal, such as red light or blue light. Alternatively, the first light signal emitted by the light source can be an invisible light signal, such as infrared light. The second light signal can also be a visible light signal, or it can be an invisible light signal.

[0156] For example, the first physiological parameter information may include blood flow information (such as blood volume information, blood pressure information, blood flow changes, etc.), heart rate information, heart rate variability information, blood oxygen information, fingerprint image information, etc. This enables electronic devices to detect physiological parameters such as heart rate, blood oxygen, blood pressure, heart rate variability, pulse wave transit time, blood flow, and vascular compliance, achieving real-time monitoring of the user's health. It can also perform functions such as emotion analysis and detection, and biometric detection of the user's fingerprint images.

[0157] In some examples, the first region can be a part of the display area, that is, the first region only covers a part of the display area. During the physiological parameter detection process, the user's finger to be tested needs to be placed in any position within the first region.

[0158] Alternatively, in some examples, the first region can be the entire display area, meaning the first region can completely cover the display area. During the physiological parameter detection process, the user's finger, the part to be tested, can be placed anywhere within the entire display area.

[0159] Figure 6 is a schematic diagram of another scenario where the electronic device provided in the embodiment of this application is used for physiological parameter detection.

[0160] As shown in Figure 6, the solid and dashed lines represent two examples of possible finger placement areas. The user's finger 300 can be placed on the first surface 21a at any location within the display area (first area 210). Using the aforementioned physiological parameter detection method, physiological parameters at the fingertip of the finger 300 can be detected, obtaining the user's initial physiological parameter information. This method offers greater flexibility and allows for faster and more convenient physiological parameter detection. Furthermore, it adapts well to different user habits, providing a more flexible user experience.

[0161] Understandably, when a finger is placed on the first surface 21a at a specific location within the first region 210 to detect physiological parameters of the finger, the finger can apply pressure to the first surface 21a, causing compression and deformation. This compression and deformation can affect physiological parameters such as blood flow and pulse within the finger, leading to changes in these parameters. Excessive or insufficient pressure on the first surface 21a, resulting in either excessive or insufficient compression, will affect the quality of the optical signal and the accuracy of the physiological parameter detection.

[0162] To improve the accuracy of biological characteristic detection, in some examples, the pressure applied to the finger or other test site can be detected during physiological parameter detection. The brightness of the first light signal emitted by the light source can be adjusted based on the pressure applied, thereby improving the quality of the light signal.

[0163] For example, the electronic device may also include a pressure-sensitive component (not shown in the figure). When the user's finger is applied to the first surface 21a, the pressure-sensitive component can detect the pressure and output a second electrical signal. The pressure information applied to the first surface 21a by the finger is obtained based on the second electrical signal.

[0164] Figure 7 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application.

[0165] Referring to Figure 7, before the light source corresponding to the position area in the display module emits the first light signal in step S102 above, the method may further include S101a: acquiring the pressure information applied by the user's part to be tested on the position area, and obtaining the pressure value based on the pressure information.

[0166] S101b: Compare the pressure value with the first pressure range.

[0167] If the pressure value is outside the first pressure range, a first prompt message is sent. When the pressure value is not within the first pressure range, it indicates that the signal quality for physiological parameter detection is poor at the current pressure. This prompts the user to adjust the pressure appropriately, which helps improve the signal quality in physiological parameter detection and achieve high accuracy.

[0168] For example, the first prompt can be an audio prompt, such as an electronic device emitting an audio prompt to remind the user to adjust the appropriate pressing pressure in a timely manner. The first prompt can also be text, image, or other prompts, such as the electronic device's display interface showing "Please adjust the pressing pressure." The first prompt can also be a vibration prompt, such as an electronic device vibrating to remind the user to adjust the appropriate pressing pressure.

[0169] The first prompt message may include only one type of prompt message, such as an audio prompt, a text prompt, an image prompt, or a vibration prompt. Alternatively, the first prompt message may be a combination of multiple types of prompt messages, such as a combination of vibration and text prompts, or a combination of vibration and audio prompts.

[0170] If the pressure value is within the first pressure range, then step S102 is executed. When the pressure value is within the first pressure range, it indicates that the current pressure provides a high signal quality for physiological parameter detection, and the light source can be controlled to emit a first light signal to achieve physiological parameter detection.

[0171] The first pressure range can be stored in an electronic device, and the size of the first pressure range can be selectively set according to the influence between the pressure and physiological parameter information, the type of light source and photodetector, etc.

[0172] In some examples, when the pressure value is within the first pressure range, step S102, which controls the light source in the display module corresponding to the position area to emit a first light signal, may include S102a: adjusting the brightness of the first light signal according to the pressure value.

[0173] In other words, when the pressure value is within the first pressure range, the electronic device can adaptively adjust the brightness of the first light signal according to the pressure value. This brightness adjustment compensates for the impact of pressure on signal quality, ensuring high signal quality detection under different pressure scenarios. Furthermore, it eliminates the need for users to repeatedly adjust the pressure, improving signal quality and detection accuracy, thus offering greater convenience and enhancing the user experience.

[0174] It should be noted that when the obtained pressure value is within the first pressure range, the light source is controlled to emit a first light signal. Before adjusting the brightness of the first light signal according to the pressure value, the first light signal can have a first initial brightness. For example, this first initial brightness can be the brightness of the first light signal when a high signal quality can be obtained when using the first light signal to detect physiological parameters. In other words, by ensuring that the first light signal emitted by the light source has a first initial brightness, high signal quality can be achieved for the detection of physiological parameters, meeting the requirements for high-accuracy physiological parameter detection.

[0175] The above step S102a, which adjusts the brightness of the first light signal according to the pressing pressure value, can be based on (or reference to) the initial brightness of the first light signal, and adaptively adjust the brightness of the first light signal according to the magnitude of the pressing pressure value.

[0176] For example, the first pressure range may include a second pressure range, which may be located between the maximum and minimum values ​​of the first pressure range. That is, the first pressure range is a range with a relatively large range of pressure values, and the second pressure range is a range with a relatively small range of pressure values ​​that is included within the first range. When the applied pressure is within the second pressure range, it indicates that the physiological parameters of the test site are detected with higher signal quality at the current pressure.

[0177] The second pressure zone can be stored in an electronic device. The size of the second pressure zone can be selectively set according to the influence between the pressure and physiological parameters, the type of light source and photodetector, etc.

[0178] The above step S102a, adjusting the brightness of the first optical signal based on the pressing pressure value, may include: increasing the brightness of the first optical signal when the pressing pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range. That is, when the pressing pressure value is relatively small, based on the initial brightness of the first optical signal, the light source can be controlled to increase its luminous intensity, thereby increasing the light intensity so that the brightness of the first optical signal can be greater than the initial brightness. This can compensate for light loss caused by poor contact due to low pressing pressure, ensuring sufficient light returns and is detected, thus improving signal quality.

[0179] When the pressure value is in the second pressure range, the brightness of the first light signal can remain unchanged. At this time, the brightness of the first light signal can maintain the initial brightness, which can achieve high-accuracy detection.

[0180] It should be noted that when the pressure value is within the second pressure range, if the pressure value changes but remains within the second pressure range, the brightness of the first light signal can remain unchanged, ensuring signal quality and facilitating the detection of physiological parameters with high accuracy.

[0181] When the pressure value falls between the maximum value of the second pressure range and the maximum value of the first pressure range, the brightness of the first light signal is reduced. That is, when the pressure value is relatively large, the light source can be controlled to reduce its brightness based on the initial brightness of the first light signal, so that the brightness of the first light signal can be less than the initial brightness. This can reduce or avoid oversaturation of the returned light signal, improve signal quality, and also help reduce power consumption.

[0182] For example, when the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the first light signal emitted by the control light source can have a first brightness. When the pressure value is within the second pressure range, the first light signal emitted by the control light source can have a second brightness, which can be the aforementioned first initial brightness. When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the first light signal emitted by the control light source can have a third brightness. Thus, the first brightness can be greater than both the second and third brightness, and the second brightness can be greater than the third brightness. This ensures that when the pressure value is relatively small, the first light signal emitted by the light source has a large brightness; when the pressure value is relatively large, the first light signal emitted by the light source has a small brightness; and when the pressure value is appropriate, the first light signal emitted by the light source can be the first initial brightness, guaranteeing high signal quality detection under different pressure scenarios.

[0183] Of course, in some other examples, when the obtained pressure value is within the first pressure range, the brightness of the first light signal can be relatively small before adjusting the brightness of the first light signal according to the pressure value. For example, the first light signal can have a second initial brightness, which can be less than the first initial brightness mentioned above. Reducing the brightness of the first light signal before adjusting its brightness helps to reduce power consumption.

[0184] The above step S102a, which adjusts the brightness of the first light signal according to the pressing pressure value, can be based on a second initial brightness (or reference) and adaptively adjust the brightness of the first light signal according to the magnitude of the pressing pressure value.

[0185] The above step S102a, which adjusts the brightness of the first light signal according to the pressing pressure value, may include: when the pressing pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the light source can be controlled to increase the luminous brightness based on the second initial brightness. At this time, the brightness of the first light signal can be greater than the second initial brightness, ensuring the brightness of the returned light signal and improving the signal quality.

[0186] When the pressure value is within the second pressure range, the light source brightness can be increased based on the second initial brightness. In this case, the brightness of the first light signal can be greater than the second initial brightness, thus improving signal quality. When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the brightness of the first light signal can be kept constant, maintaining the second initial brightness and ensuring high signal quality.

[0187] Taking the example where the first light signal emitted by the control light source has a first brightness when the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the first light signal emitted by the control light source has a second brightness when the pressure value is within the second pressure range, and the first light signal emitted by the control light source has a third brightness when the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the third brightness can be the second initial brightness mentioned above. The first brightness, second brightness, and third brightness decrease sequentially.

[0188] Alternatively, in some other examples, when the obtained pressure value is within the first pressure range, the brightness of the first light signal can be relatively large before adjusting the brightness of the first light signal according to the pressure value. For example, the first light signal can have a third initial brightness, which can be greater than the first initial brightness and the second initial brightness mentioned above.

[0189] The above step S102a, which adjusts the brightness of the first light signal according to the pressing pressure value, can be based on a third initial brightness (or reference) and adaptively adjust the brightness of the first light signal according to the magnitude of the pressing pressure value.

[0190] Step S102a above, adjusting the brightness of the first light signal based on the pressing pressure value, may include: when the pressing pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the brightness of the first light signal can be kept constant, maintaining the third initial brightness and ensuring high signal quality. When the pressing pressure value is within the second pressure range, the light source brightness can be reduced based on the third initial brightness, resulting in a brightness of the first light signal lower than the third initial brightness, reducing oversaturation and improving signal quality. When the pressing pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the light source brightness can also be reduced based on the third initial brightness, allowing the brightness of the first light signal to be lower than the third initial brightness, thus improving signal quality.

[0191] Taking the example where the first light signal emitted by the control light source has a first brightness when the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the first light signal emitted by the control light source has a second brightness when the pressure value is within the second pressure range, and the first light signal emitted by the control light source has a third brightness when the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the first brightness can be the aforementioned third initial brightness. The first brightness, second brightness, and third brightness decrease sequentially.

[0192] In step S101 above, which determines the location area in contact with the user's part to be tested, there can be multiple methods for identifying and determining the location area in contact with the user's part to be tested.

[0193] In some examples, optical detection can be used to identify and determine the location area.

[0194] For example, there can be multiple photodetectors, and one location area can correspond to one or more photodetectors. When a user's finger, the part to be tested, is placed in a certain location area within the first area, it will cause a change in the electrical signal output by the photodetector corresponding to that location area. The correspondence between the location area and the photodetector can be such that, in the corresponding location area and photodetector, the light signal (such as a return light signal) passing through that location area can illuminate the photodetector and be received by the photodetector and converted into an electrical signal.

[0195] For example, when the finger to be tested is not placed in the first area, the photodetector can receive ambient light. However, when the finger to be tested is placed in a certain position within the first area, the finger to be tested will block part of the ambient light, reducing the amount of light received by the photodetector in that position area, causing a change in the electrical signal output by the photodetector, such as a weakening of the electrical signal output by the photodetector.

[0196] Step S101, determining the location area in contact with the user's part to be tested, may include S1011: acquiring the detection electrical signals output by all photodetectors and determining the location area based on the detection electrical signals.

[0197] Using the electrical signal output by the photodetector in step S101 as the detection electrical signal, by acquiring the detection electrical signals output by all photodetectors, the photodetector whose electrical signal changes can be identified based on the detection electrical signal. For example, based on the acquired detection electrical signal, the photodetector whose detection electrical signal changes from strong to weak can be identified, and then the position area corresponding to the photodetector can be identified, thereby determining the position area of ​​the part to be tested in contact.

[0198] Within the first region, each location corresponds to a photodetector. Light signals (such as reflected light signals) passing through this location can illuminate the corresponding photodetector, which then receives and converts them into electrical signals. When a finger, the object to be measured, is placed at a specific location within the first region, the amount of light received by the photodetector at that location decreases, causing a weakening of the electrical signal output by that detector. Based on the detected electrical signals output by all the photodetectors, the photodetector whose signal weakens can be identified, thus identifying the location corresponding to that photodetector.

[0199] Alternatively, a location within the first region can correspond to multiple photodetectors. That is, light signals (such as return light signals) passing through this location can illuminate the corresponding multiple photodetectors and be received and converted into electrical signals. When a finger, the object to be measured, is placed at a certain position within the first region, the amount of light received by the multiple photodetectors corresponding to that location decreases, causing the electrical signals output by the multiple detectors to weaken. Based on the detected electrical signals output by all the photodetectors, the multiple photodetectors whose detected electrical signals weaken can be identified, and thus the location regions corresponding to these multiple photodetectors can be identified.

[0200] Alternatively, in some examples, pressure detection can be used to identify location regions.

[0201] For example, there can be multiple pressure-sensitive components, and one position area can correspond to one or more pressure-sensitive components. When the user's finger, the part to be tested, is placed in a certain position area within the first area, the pressure-sensitive component corresponding to that position area can detect the pressure applied by the part to be tested on that position area and output a second electrical signal.

[0202] The location area and the pressure-sensitive component correspond to each other. When a pressing force is applied to the location area, the pressure-sensitive component can respond to the pressing force, detect the pressing force information applied to the location area, and output a second electrical signal.

[0203] Step S101, determining the location area in contact with the user's part to be measured, may include S1012: acquiring a second electrical signal output by a portion of the pressure-sensitive component, and determining the location area based on the second electrical signal.

[0204] Based on the acquired second electrical signal, the pressure-sensitive component can be identified, and then the position area corresponding to the pressure-sensitive component can be identified, thereby determining the position area of ​​the user's part to be tested.

[0205] Within the first region, one location area corresponds to one pressure-sensitive component. When pressure is applied to this location area, the pressure-sensitive component detects the pressure and outputs a second electrical signal. The other pressure-sensitive components do not detect the pressure and do not output a second electrical signal. When a finger or object to be measured is placed on a location within the first region, the pressure-sensitive component corresponding to that location outputs a second electrical signal. This second electrical signal can be used to identify the pressure-sensitive component and, consequently, the location area corresponding to that component.

[0206] Alternatively, a location within the first region can correspond to multiple pressure-sensitive components. When pressure is applied to this location, these multiple pressure-sensitive components can detect the pressure information and output a second electrical signal, while the other pressure-sensitive components cannot detect the pressure information and will not output a second electrical signal. When a finger or object to be measured is placed on a location within the first region, the multiple pressure-sensitive components corresponding to that location output a second electrical signal. Based on these multiple second electrical signals, the multiple pressure-sensitive components can be identified, and thus the location corresponding to each pressure-sensitive component can be identified.

[0207] It should be noted that, in step S101 above, when the location area in contact with the user's part to be tested is determined, the electronic device can execute step S1011 above to acquire all the detection electrical signals output by the photodetectors, and determine the location area based on the detection electrical signals. The location area is identified and determined through the optical detection method of the photodetectors.

[0208] Alternatively, the electronic device can perform step S1012 described above to acquire a portion of the second electrical signal output by the pressure-sensitive component, and determine the position area based on the second electrical signal. The position area is identified and determined through pressure detection using the pressure-sensitive component.

[0209] Alternatively, the electronic device can either execute step S1011 to acquire the detection electrical signals output by all photodetectors, determine the location area based on the detection electrical signals, and use the photodetector's optical detection method to identify and determine the location area; or execute step S1012 to acquire the second electrical signals output by a portion of the pressure-sensitive components, determine the location area based on the second electrical signals, and use the pressure-sensitive components' pressure detection method to identify and determine the location area. For example, comparing and analyzing the location area results identified in step S1011 and step S1012 can improve the accuracy of location area identification.

[0210] Figure 8 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application.

[0211] In some examples, as shown in Figure 8, before determining the location area in contact with the user's part to be tested in step S101 above, the method may also include step S100: determining whether a part of the user's body is in contact with the location area as the part to be tested.

[0212] Before determining the area of ​​contact with the user's body part to be tested, it is first determined whether the area is being pressed by the user's body part, rather than by other objects. This avoids the electronic device from performing physiological parameter detection methods due to contact or pressing by other objects, thus reducing power consumption.

[0213] If a part of the user's body is used as the contact area of ​​the part to be tested, then the above step S101 is performed to determine the contact area with the part of the user to be tested.

[0214] If not, a second prompt message will be issued to remind the user to reposition their finger.

[0215] For example, the second prompt message can be an audio prompt, such as an electronic device emitting an audio prompt to remind a non-user body part to contact the position area on the first surface. The second prompt message can also be text, image, or other prompts, such as the electronic device's display interface showing "Please reposition your finger." The first prompt message can also be a vibration prompt, such as an electronic device vibrating to remind the user that a non-body part is in contact with the position area on the first surface.

[0216] The second prompt message may include only one type of prompt message, such as an audio prompt, a text prompt, an image prompt, or a vibration prompt. Alternatively, the second prompt message may be a combination of multiple types of prompt messages, such as a combination of vibration and text prompts, or a combination of vibration and audio prompts.

[0217] It is understandable that in some possible implementations, if the area to be tested is not a part of the user's body, a second prompt message may not be issued, thereby reducing erroneous prompts caused by obstruction of the light detector and / or misidentification when the dial is squeezed, and improving the user experience.

[0218] In some examples, optical detection can be used to identify and determine the user's body part to be tested.

[0219] For example, as shown in Figure 8, before determining whether a user's body part is the contact area of ​​the part to be tested in step S100, the method may include step S100a: controlling multiple light sources to emit detection light signals and acquiring the detection electrical signals output by the photodetector.

[0220] Step S100, determining whether the user's body part is in contact with the test location area, may include: determining whether the user's body part is the test location area based on the detected electrical signal.

[0221] In this context, the reflection and / or refraction of light signals differs between a user's body part in contact with a specific area and the contact of other objects. For instance, due to the fluctuations in blood flow, pulse, and other tissues, the absorption, reflection, and refraction of light signals by a user's body part in contact with the area exhibit periodic changes. This results in the photodetector outputting a periodically varying electrical signal. Conversely, contact between other objects (not human) and the area typically does not induce such periodic changes. Therefore, the photodetector can determine whether a user's body part is in contact with the area based on the electrical signal output.

[0222] It is understandable that, in the example of using optical detection to determine the contact area with the user's part to be tested in step S101, the detection electrical signals output by the multiple photodetectors obtained in step S100a can be used in step S101 to determine the contact area with the user's part to be tested based on the detection electrical signals of the multiple photodetectors.

[0223] Alternatively, in some examples, electrode detection can be used to identify and determine the user's test site.

[0224] For example, the electronic device may also include a light-transmitting electrode that can cover a first area of ​​the display module, and when a user's finger is placed on any position area of ​​the first area, the finger can come into contact with the light-transmitting electrode.

[0225] The step S100 above, which determines whether a user's body part is the contact area of ​​the part to be tested, may include step S100b: acquiring the third electrical signal output by the light-transmitting electrode, and determining whether a user's body part is the contact area of ​​the part to be tested based on the third electrical signal.

[0226] If a part of the user's body is used as the test site and comes into contact with the light-transmitting electrode, the electrode can detect the electrical activity generated by the user's heartbeat and output a third electrical signal. Based on this third electrical signal, it can be determined whether the user's body part is the contact area for the test site.

[0227] It should be noted that in step S100 above, which determines whether the user's body part is in contact with the test area, the electronic device can simply execute step S100a to control multiple light sources to emit detection light signals, acquire the detection electrical signals output by the photodetector, and determine whether the user's body part is the test area based on the detection electrical signals. By using light sources and photodetectors to achieve light detection, the user's body part is identified as the test area.

[0228] Alternatively, the electronic device can simply perform step S100b to acquire the third electrical signal output by the light-transmitting electrode, and determine whether a user's body part is the contact area of ​​the test site based on the third electrical signal. By using the light-transmitting electrode to achieve electrode detection, the device identifies and determines whether the user's body part is the test site.

[0229] Alternatively, the electronic device can execute step S100a to control multiple light sources to emit detection light signals, acquire the detection electrical signals output by the photodetector, and determine whether a user's body part is the contact area of ​​the test site based on the detection electrical signals. By using light detection through the light sources and photodetector, the device can identify the user's body part as the test site. The electronic device can also execute step S100b to acquire the third electrical signal output by the light-transmitting electrode, and determine whether a user's body part is the contact area of ​​the test site based on the third electrical signal. By using the light-transmitting electrode to perform electrode detection, the device can identify the user's body part as the test site. For example, comparing and analyzing the judgment results obtained through step S100a and step S100b can improve the accuracy of the judgment.

[0230] It should be noted that in the above step S101, in the example of executing step S1011, the identification and determination of the position area is achieved using optical detection. In step S100, step S100a can be executed, using optical detection to determine whether a user's body part is the contact position area of ​​the part to be tested. Alternatively, step S100b can be executed, using electrode detection to determine whether a user's body part is the contact position area of ​​the part to be tested. Or, both step S100a (using optical detection to determine whether a user's body part is the contact position area of ​​the part to be tested) and step S100b (using electrode detection to determine whether a user's body part is the contact position area of ​​the part to be tested) can be executed.

[0231] In the example of step S101 above, where step S1012 is executed to identify and determine the location area using pressure detection, in step S100, step S100a can be executed to determine whether a user's body part is the contact location area of ​​the test site using light detection. Alternatively, step S100b can be executed to determine whether a user's body part is the contact location area of ​​the test site using electrode detection. Alternatively, both step S100a (using light detection to determine whether a user's body part is the contact location area of ​​the test site) and step S100b (using electrode detection to determine whether a user's body part is the contact location area of ​​the test site) can be executed.

[0232] It should be noted that in scenarios where electronic devices are used to detect primary physiological parameters, the electronic device can first identify the user's trigger operation to enter the primary physiological parameter detection function. For example, the electronic device can identify the user's action on the primary physiological parameter detection function icon on the display interface (such as clicking), or the user's key press operation, to determine that the user has selected to enter the primary physiological parameter detection function.

[0233] After confirming that the user has selected the function to detect the first physiological parameter information, the electronic device can also recognize the user's confirmation of the detection (see Figure 8). For example, the user can confirm the measurement by clicking the first measurement option on the electronic device's display interface. The electronic device can then execute the physiological parameter detection method described above, avoiding unnecessary power consumption caused by accidental touches.

[0234] Based on the detection method described above, the following example illustrates the display interface of the electronic device during the detection of the first physiological parameter information.

[0235] Figure 9 is a schematic diagram of the display interface of an electronic device provided in an embodiment of this application during the detection of first physiological parameter information.

[0236] After confirming that the user has selected to enter the function of detecting the first physiological parameter information, as shown in Figure 9, the electronic device can display the first selection interface 100a. For example, if the first physiological parameter information is heart rate, the first selection interface 100a displayed by the electronic device can be as shown in Figure 9(a). If the first physiological parameter information is blood oxygen, the first selection interface 100a displayed by the electronic device can be as shown in Figure 9(b).

[0237] The first selection interface 100a may include a first measurement option 1001. After the electronic device detects that the user clicks the first measurement option 1001, the electronic device may display a first prompt interface 100b. The first prompt interface 100b may include a first prompt icon 1002, which may remind the user to place the part of the finger to be measured in the position area within the first area 210. For example, the first area 210 may be the entire area of ​​the display area.

[0238] For example, the first prompt label 1002 may include text labels, area labels, arrow labels, etc. As shown in Figure 9, taking the first area as the entire display area, that is, the physiological parameters can be detected by placing a finger on any position of the display area. Text labels can be displayed on the first prompt interface 100b, such as "Please press any position on the screen with your fingertip", prompting the user to place their finger on any position of the display area.

[0239] The electronic device can begin executing the aforementioned detection method. For example, after determining that a user's body part is in contact with the location area, the electronic device can determine the location area in contact with the body part. When it is determined that the pressure applied by the body part to the first surface is within a first pressure range, the electronic device can display a first measurement interface 100c. The first measurement interface 100c may include a second region 1003, which is located within the first region. The second region 1003 may correspond to the location area in contact with the body part. For example, the vertical projection of the location area in contact with the body part along the thickness direction of the electronic device may partially or completely overlap with the second region 1003. The brightness of the second region 1003 may be higher than the height of other regions on the first measurement interface 100c.

[0240] In some examples, the vertical projection of the area where the part to be tested contacts can completely coincide with the second region 1033. While meeting the detection requirements, this helps to further reduce the impact of light sources that do not correspond to the location area on the photodetector. Alternatively, in some examples, the vertical projection of the area where the part to be tested contacts can partially coincide with the second region 1033. For example, the area of ​​the second region 1033 can be larger than the vertical projection area of ​​the location area, and the vertical projection of the location area can be located within the second region 1033. This increases the amount of light illuminating the part to be tested, thus improving signal quality.

[0241] The first measurement interface 100c may also include a first identifier 1005, which is used to indicate a first pressure range. The first measurement interface 100c also includes a third region 1014, a fourth region 1024, and a fifth region 1034. The third region 1014, the fourth region 1024, and the fifth region 1034 may be arranged sequentially.

[0242] When the pressure value acquired by the electronic device 100 is between the minimum value of the first pressure range and the minimum value of the second pressure range, the first identifier 1005 can indicate the third region 1014. When the pressure value is within the second pressure range, the first identifier 1005 can indicate the fourth region 1024. When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the first identifier 1005 can indicate the fifth region 1034.

[0243] Among them, the third region 1014, the fourth region 1024, the fifth region 1034 and the first identifier 1005 can be located outside the first region to reduce or avoid crosstalk caused by the display of the third region 1014, the fourth region 1024, the fifth region 1034 and the first identifier 1005 to the photodetector and ensure signal quality.

[0244] Alternatively, at least some of the aforementioned third region 1014, fourth region 1024, fifth region 1034, and first identifier 1005 may be located within the first region. After determining the location area in contact with the part to be measured, the third region 1014, fourth region 1024, fifth region 1034, and first identifier 1005 may be displayed outside the second region 1003 to reduce or avoid crosstalk problems and ensure signal quality.

[0245] In the example where the above detection method includes step S100a, which involves controlling multiple light sources to emit detection light signals and obtaining the detection electrical signals output by a photodetector to determine whether a user's body part is the contact area of ​​the part to be tested, when the detection light signal is visible light, the entire display area of ​​the first prompt interface 100b can have a certain brightness, for example, the brightness can be the first initial brightness mentioned above. When the electronic device displays the first measurement interface 100c, the brightness of the second area 1003 within the display area can remain unchanged, while other areas can be turned off or have their brightness reduced.

[0246] Of course, in some other examples, the brightness of the display area of ​​the first prompt interface 100b can be higher, such as greater than the first initial brightness mentioned above (e.g., the brightness can be the third initial brightness mentioned above). When the electronic device displays the first measurement interface 100c, the brightness of the second area 1003 within the display area can be reduced, and other areas can be turned off or have their brightness reduced. Alternatively, the brightness of the display area of ​​the first prompt interface 100b can be lower, such as less than the first initial brightness mentioned above (e.g., the brightness can be the second initial brightness mentioned above). When the electronic device displays the first measurement interface 100c, the brightness of the second area 1003 within the display area can be increased, and other areas can be turned off, have their brightness reduced, or remain unchanged.

[0247] Understandably, when the detected light signal is invisible light, the light emission in the areas of the first prompt interface 100b, except for the area of ​​the first prompt mark 1002, cannot be observed. Similarly, the light emission in the areas of the first measurement interface 100c, except for the first mark 1005, the third area 1014, the fourth area 1024, and the fifth area 1034, cannot be observed.

[0248] This method can also be used to achieve touch recognition of electronic devices in specific scenarios. For example, this method can also be used to recognize user touch operations in scenarios such as underwater.

[0249] In an example where an electronic device includes multiple pressure-sensitive components, pressure detection can be used to recognize user touch operations.

[0250] Electronic devices may also include depth gauges, which are devices capable of measuring depth. For example, in underwater scenarios, depth gauges can be used to measure the depth of water.

[0251] Figure 10 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application.

[0252] Referring to Figure 10, the method may further include:

[0253] S201: Obtain depth information output by the depth gauge.

[0254] S202: Determine whether it is an underwater scene based on depth information.

[0255] When the acquired depth information is outside the preset range, it is determined that the electronic device is not in an underwater environment. The electronic device can acquire the user's operation information through other means, such as using the display module to acquire the user's operation information and realize the recognition of the user's touch.

[0256] When the acquired depth information is within a preset range, it is determined that the electronic device is in an underwater scene, and the electronic device can execute step S203.

[0257] S203: Obtain the second electrical signal output by part of the pressure-sensitive component, determine the position area based on the second electrical signal, and obtain the user's operation information.

[0258] Based on the acquired second electrical signal, the pressure-sensitive component can be identified, and the corresponding position area of ​​the pressure-sensitive component can be determined, which in turn determines the position area touched by the user. This allows the user's operation information to be obtained, thus enabling the recognition of the user's touch.

[0259] Thus, steps S201 to S203 enable the recognition of user touch operations in scenarios such as underwater, enriching the applicable scenarios of electronic devices and giving them a wide range of applications. Furthermore, environmental factors have minimal impact on pressure-sensitive components, allowing this method to be implemented in underwater environments, ensuring interaction with electronic devices and improving the user experience.

[0260] In an example where an electronic device includes multiple photodetectors, light detection can be used to recognize user touch operations.

[0261] For example, the method may also include:

[0262] S201: Obtain depth information output by the depth gauge.

[0263] S202: Determine whether it is an underwater scene based on depth information.

[0264] The determination of whether it is an underwater scene in step S202 can be found above and will not be repeated here.

[0265] S204: Acquire the detection electrical signals output by all photodetectors, determine the location area based on the detection electrical signals, and obtain the user's operation information.

[0266] By acquiring the detection electrical signals output by all photodetectors, it is possible to identify photodetectors whose detection electrical signals change from strong to weak. This allows for the identification of the location area corresponding to the photodetector, thus determining the location area touched by the user. This enables the acquisition of user operation information and the recognition of user touch.

[0267] Thus, steps S201 to S204 can also be used to recognize user touch operations in scenarios such as underwater, which can enrich the applicable scenarios of electronic devices and make them have a wide range of applications.

[0268] In scenarios such as underwater environments, the electronic device can execute only steps S201 to S203, using pressure detection to recognize user touch operations. Alternatively, the electronic device can execute only steps S201 to S204, using light detection to recognize user touch operations. Or, the electronic device can execute either steps S201 to S203 (using pressure detection) or steps S201 to S204 (using light detection). For example, the touch operation structure recognized through steps S201 to S203 can be compared and analyzed with the touch operation results recognized through steps S201 to S204 to improve the accuracy of touch operation recognition.

[0269] Among them, the method for recognizing user touch operations in specific scenarios such as underwater can be combined with any example of the method for detecting the first physiological parameter information.

[0270] In examples where electronic devices include light-transmitting electrodes, this method can also be used to detect other types of physiological parameters. For example, it can be used to detect electrocardiogram-related physiological parameters.

[0271] Figure 11 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application.

[0272] For example, as shown in Figure 11, the method may further include:

[0273] S301: Determine whether a user's body part is the contact area of ​​the part to be tested.

[0274] Step S301 may include step S100a above, which uses light detection to determine whether a user’s body part is the contact area of ​​the part to be tested.

[0275] Alternatively, step S301 may include step S100b described above, which uses electrode detection to determine whether a user's body part is the contact area of ​​the part to be tested.

[0276] Alternatively, step S301 may include either step S100a above, which uses light detection to determine whether a user's body part is the contact area of ​​the part to be tested, or step S100b above, which uses electrode detection to determine whether a user's body part is the contact area of ​​the part to be tested.

[0277] If the user's body part is the contact area of ​​the part to be tested, then step S302 is executed. Otherwise, a second prompt message is issued, which can remind the user to reposition their finger.

[0278] S302: Output ECG signal based on the third electrical signal to obtain the second physiological parameter information of the test site.

[0279] The second physiological parameter information may include heart rate information, heart rhythm information, cardiac systolic and diastolic cycle information, cardiac structural abnormality information, myocardial ischemia information, cardiac electrical axis information, ventricular hypertrophy information, electrolyte imbalance information, etc.

[0280] When the user's test area comes into contact with the position area on the first region, it will come into contact with the light-transmitting electrode. The light-transmitting electrode can detect the user's potential information and output a third electrical signal. The ECG signal can be obtained based on the third electrical signal.

[0281] For example, electronic devices can also collect electrical potential information from other parts of the user's body. For instance, the contact surface of the electronic device's bottom casing can have a first electrode and a second electrode. The first electrode, the second electrode, and the light-transmitting electrode can be components of an electrocardiogram (ECG) detection module. When the electronic device is worn, the first and second electrodes can detect the electrical potential at the user's wearing location to generate a fourth and a fifth electrical signal.

[0282] Electronic devices can output ECG signals based on the obtained third, fourth, and fifth electrical signals. Based on the ECG signals, second physiological parameters related to cardiac electrical activity can be obtained, such as heart rate information, heart rhythm information, information on the systolic and diastolic cycles of the heart, information on cardiac structural abnormalities, information on myocardial ischemia, information on cardiac electrical axis, information on ventricular hypertrophy, and information on electrolyte imbalance, thus enabling electronic devices to have electrocardiogram detection functions.

[0283] The method for detecting the second physiological parameter information described above can be combined with any example of the method for detecting the first physiological parameter information described above, and can also be combined with the method for implementing touch recognition in specific scenarios such as underwater.

[0284] In scenarios where electronic devices are used to detect second physiological parameters, the electronic device can first identify the user's trigger operation to enter the second physiological parameter information detection function. For example, the electronic device can identify the user's action on the function icon of the second physiological parameter information detection on the display interface (such as clicking), or the user's key operation, to determine that the user has selected to enter the second physiological parameter information detection function.

[0285] After confirming that the user has selected the function to enter the second physiological parameter information detection, the electronic device can also recognize the user's confirmation operation (as shown in Figure 11). For example, the user can confirm the measurement by clicking the second measurement option on the electronic device's display interface. The electronic device can then execute the physiological parameter detection method shown in Figure 11.

[0286] Figure 12 is a schematic diagram of the display interface of an electronic device provided in an embodiment of this application during the detection of second physiological parameter information.

[0287] After confirming that the user has selected the function to enter the second physiological parameter information detection, as shown in Figure 12, the electronic device can display a second selection interface 100d. The second selection interface 100d may include a second measurement option 1006. After the electronic device detects that the user clicks on the second measurement option 1006, the electronic device can display a second prompt interface 100e. The second prompt interface 100e may include a second prompt indicator 1007, which can remind the user to place the part of their finger to be measured in the first area.

[0288] The type of the second prompt icon 1007 can be the same as that of the first prompt icon 1002 mentioned above. For example, it can include text icons, area icons, arrow icons, etc. Please refer to the above for details, which will not be repeated here.

[0289] The electronic device begins executing the method described above for detecting the second physiological parameter information. When it is determined that a part of the user's body is in contact with the location area as the test site, the electronic device may display the second measurement interface 100f. For example, the second measurement interface 100f may include a second identifier 1008, which may be used to indicate the measurement progress, etc.

[0290] For example, this method can also be used to detect blood pressure.

[0291] Figure 13 is a flowchart illustrating another physiological parameter detection method provided in an embodiment of this application.

[0292] Referring to Figure 13, the method may further include:

[0293] S401: Determine whether a user's body part is the contact area of ​​the part to be tested.

[0294] Step S401 may include step S100a above, which uses light detection to identify and judge the user's test area.

[0295] Alternatively, step S401 may include step S100b described above, which uses electrode detection to determine whether a user's body part is the contact area of ​​the part to be tested.

[0296] Alternatively, step S401 may include either step S100a above, which uses light detection to determine whether a user's body part is the contact area of ​​the part to be tested, or step S100b above, which uses electrode detection to determine whether a user's body part is the contact area of ​​the part to be tested.

[0297] If the user's body part is the contact area of ​​the part to be tested, then step S402 is executed. Otherwise, a second prompt message is issued, which can remind the user to reposition their finger.

[0298] S402: Outputs an ECG signal based on the third electrical signal and acquires the first electrical signal output by the photodetector.

[0299] Specifically, after executing steps S101 to S102 as described above, the first electrical signal output by the photodetector can be obtained. For details on the implementation, please refer to the above text; it will not be repeated here.

[0300] S403: Obtain the third physiological parameter information based on the ECG signal and the first electrical signal.

[0301] The third physiological parameter information may include blood pressure information.

[0302] Based on the first physiological parameter information obtained from the first electrical signal, and combined with the second physiological parameter information obtained from the ECG signal, such as heart rate information, cardiac contraction and diastolic cycle information, more accurate blood pressure information can be calculated and analyzed, which is conducive to realizing high-precision blood pressure detection without a wristband.

[0303] The method for detecting the third physiological parameter information described above can be combined with any example of the method for detecting the first physiological parameter information described above, or it can be combined with the method for implementing touch recognition in specific scenarios such as underwater, or it can be combined with the method for detecting the second physiological parameter information described above.

[0304] In scenarios where electronic devices are used to detect third physiological parameters, the electronic device can first identify the user's trigger operation to enter the third physiological parameter information detection function. For example, the electronic device can identify the user's action on the third physiological parameter information detection function icon on the display interface (such as clicking), or the user's key press operation, to determine that the user has selected to enter the third physiological parameter information detection function.

[0305] After confirming that the user has selected the function to enter the third physiological parameter information detection, the electronic device can also recognize the user's confirmation operation. For example, the user can confirm the measurement by clicking the third measurement option on the electronic device's display interface. The electronic device can execute the physiological parameter detection method shown in Figure 13.

[0306] Figure 14 is a schematic diagram of the display interface of an electronic device provided in an embodiment of this application during the detection of third physiological parameter information.

[0307] After confirming that the user has selected the function to enter the third physiological parameter information detection, as shown in Figure 14, the electronic device can display the third selection interface 100g. The third selection interface 100g may include a third measurement option 1010. After the electronic device detects that the user clicks on the third measurement option 1010, the electronic device can display a third prompt interface 100h. The third prompt interface 100h may include a third prompt icon 1011, which can remind the user to place the finger to be measured in the first area.

[0308] The type of the third prompt icon 1011 can be the same as that of the first prompt icon 1002 mentioned above. For example, it can include text icons, area icons, arrow icons, etc. Please refer to the above for details, which will not be repeated here.

[0309] The electronic device begins executing the method described above for detecting the third physiological parameter information. When it is determined that a part of the user's body is in contact with the location area as the test site, the electronic device may display the third measurement interface 100i. For example, the third measurement interface 100i may include a fourth identifier 1012, which may be used to indicate the measurement progress, etc.

[0310] This application also provides an electronic device, which includes a processor and a memory. The memory stores computer execution instructions, and the processor executes the computer execution instructions stored in the memory, causing the electronic device to perform the above-described method.

[0311] This application also provides a computer-readable storage medium. The computer-readable storage medium stores a computer program. When the computer program is executed by a processor, it implements the methods described above. The methods described in the above embodiments can be implemented wholly or partially by software, hardware, firmware, or any combination thereof. If implemented in software, the functionality can be stored as one or more instructions or code on or transmitted over the computer-readable medium. The computer-readable medium can include computer storage media and communication media, and can also include any medium that can transfer a computer program from one place to another. The storage medium can be any target medium accessible by a computer.

[0312] In some examples, computer-readable media may include random access memory (RAM), read-only memory (ROM), compact disc read-only memory (CD-ROM) or other optical disc storage, disk storage or other magnetic storage devices, or any other medium intended to carry or store required program code in the form of instructions or data structures, and accessible by a computer. Furthermore, any connection is appropriately referred to as computer-readable media. For example, if software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of media. As used herein, disks and optical discs include optical discs, laser discs, optical discs, digital versatile discs (DVDs), floppy disks, and Blu-ray discs, where disks typically reproduce data magnetically, while optical discs optically reproduce data using lasers. Combinations of the above should also be included within the scope of computer-readable media.

[0313] This application also provides a computer program product, which includes a computer program that, when run, causes the computer to perform the above-described method.

[0314] It should be noted that the modules or components in the above embodiments can be one or more integrated circuits configured to implement the above methods, such as one or more application-specific integrated circuits (ASICs), one or more digital signal processors (DSPs), or one or more field-programmable gate arrays (FPGAs), etc. Furthermore, when a module is implemented through processing element scheduler code, the processing element can be a general-purpose processor, such as a central processing unit (CPU) or other processors capable of calling program code, such as a controller. Additionally, these modules can be integrated together to implement a system-on-a-chip (SOC).

[0315] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid-state disk (SSD)).

[0316] This application also provides a screen component applied in the above-mentioned electronic device, enabling the electronic device to implement the above-mentioned physiological parameter detection method.

[0317] Figure 15 is a cross-sectional structural diagram of a screen assembly provided in an embodiment of this application.

[0318] Referring to Figure 15, the display module 21 of the screen assembly 20 may include a first surface 21a and a second surface 21b facing away from each other. For example, along the thickness direction (such as the z-direction), the first surface 21a and the second surface 21b are located on opposite sides of the display module 21. The first surface 21a can be the display surface of the display module 21. In the first surface 21a and the second surface 21b, the second surface 21b is opposite to the contact surface of the bottom shell and is disposed closer to the contact surface. The first surface 21a is opposite to the contact surface of the bottom shell and is disposed further away from the contact surface.

[0319] The first surface 21a of the display module 21 may have the aforementioned first region 210. The first region 210 is located within the display area of ​​the display module 21. The first region 210 can be a virtual region on the first surface 21a, which is an area in which the user can interact with the electronic device. For example, the user's finger or other part to be tested can be placed and pressed on the first surface and located within the first region 210, which can realize the detection of the user's physiological parameters, the recognition of the user's touch operation, etc.

[0320] Examples of scenarios for using an electronic device with the screen component 20 to perform physiological parameter detection can be found above (see Figure 4), and will not be repeated here. When using an electronic device to perform physiological parameter detection, the finger to be tested can be pressed on the first surface 21a of the display module 21, and the finger to be tested can be located in any position area within the first region 210.

[0321] The display module 21 also includes a light source 2111, which is used to emit light signals (such as a first light signal, a detection light signal, etc.). The light source 2111 can emit a first light signal, which can be emitted from the first surface 21a of the display module 21 to the outside of the display module 21 (or the receiving cavity of the device body 101). There are multiple light sources 2111, and the first light signals emitted by multiple light sources 2111 can cover the first area 210, ensuring that the first light signal can pass through the display module 21 and illuminate any position area within the first area 210.

[0322] The screen assembly 20 also includes a photodetector 22, which can be a device capable of photoelectric conversion, receiving light signals and converting them into electrical signals (such as a first electrical signal, a detection electrical signal, etc.) to detect the intensity, wavelength, and other optical characteristics of the light. The photodetector 22 is located on one side of the display module 21. For example, the photodetector 22 can be located on the side where the second surface 21b of the display module 21 is located. Along the thickness direction (such as the z-direction), the photodetector 22 can be located below the first surface 21a of the display module 21 (on the side closer to the bottom shell of the device body).

[0323] The light signal transmitted through the display module 21 can be received and responded to by the photodetector 22. There are multiple photodetectors 22, which can ensure that the light signal transmitted from any position area within the first region 210 can be received and responded to by the photodetector 22.

[0324] For example, in the scenario of implementing physiological parameter detection, taking the user's finger 300 as the test site, the finger 300 can be placed on the first surface 21a and located in a certain position area within the first region 210. At least a portion of the first light signal emitted by the light source 2111 can illuminate the finger 300 in that position area. A portion of the first light signal will be reflected and / or refracted by the tissue of the finger 300 to form a return light signal that returns towards the display module 21 (or the receiving cavity of the device body).

[0325] The returned light signal can pass through the display module 21 and illuminate at least a portion of the photodetector 22. The photodetector 22 can receive the returned light signal and generate a first electrical signal. Based on the first electrical signal, information related to the optical characteristics of the returned light can be obtained. Based on the returned light signal and the attenuation changes between the returned light signal and the first light signal, the first physiological parameter information of the area to be tested can be obtained, thereby achieving the purpose of optical detection and realizing the detection of the user's physiological parameters.

[0326] The arrangement of multiple light sources 2111 and photodetectors 22 can also be used to determine whether the user's part to be tested is in contact with the area, such as to implement step S100a in the above-mentioned physiological parameter detection method.

[0327] The obtained first physiological parameter information may include blood flow information (such as blood volume, blood pressure, and changes in blood flow), heart rate, heart rate variability, blood oxygenation, and fingerprint image information. This allows the screen component 20 to detect physiological parameters such as heart rate, blood oxygenation, blood pressure, heart rate variability, pulse wave transit time, blood flow, and vascular compliance. The screen component 20 can also be used to implement PPG detection functions, enabling real-time monitoring of the user's health. Furthermore, the screen component 20 can be used to perform functions such as emotion analysis and detection, and biometric detection of the user's fingerprint images.

[0328] Physiological parameters can be detected by using the light source 2111 and photodetector 22 integrated in the screen assembly 20. During the detection of physiological parameters, the finger to be tested can be conveniently placed on the first surface 21a (display surface) of the screen assembly 20 to realize the PPG detection function of the fingertip to be tested. Compared with the PPG detection of the wrist and other parts, the PPG signal waveform of the fingertip (such as the obtained first signal) is richer than the PPG signal waveform of the wrist. It can accurately extract features such as dicrotic wave and descending isthmus, and has higher signal quality, so as to realize highly accurate physiological parameter detection.

[0329] Furthermore, the finger to be tested can be placed anywhere within the first area 210, enabling the detection of physiological parameters at the finger's testing site and obtaining the user's initial physiological parameter information. Compared to methods that require the finger to be placed in a specific position for detection, this method offers greater flexibility and improves the convenience of the testing operation.

[0330] Furthermore, compared to integrating detection modules such as PPG into the side operation keys, which requires fingers and other parts to maintain contact with the operation keys for a longer period of time, placing the finger to be tested on the first surface 21a of the screen assembly 20 allows the device body 101 to provide stable support for the finger on the screen assembly 20 and the first surface 21a, avoiding finger suspension and reducing or eliminating finger movement during detection, thus improving detection accuracy. Moreover, during detection, only one finger is needed to ensure stable placement on the first surface 21a for an extended period, without the need for other fingers for stable support. This ease of finger support and operation enhances the convenience of operation.

[0331] The first region 210 can be a portion of the display area. That is, the first region 210 only covers a part of the display area, and during the physiological parameter detection process, the user's finger, the part to be tested, needs to be placed in any position within the first region 210.

[0332] Alternatively, the first region 210 can be the entire display area. That is, the first region 210 can completely cover the display area. During the physiological parameter detection process, the user's finger, the part to be tested, can be placed anywhere within the entire display area to detect physiological parameters and obtain the user's initial physiological parameter information. This offers greater flexibility and allows for faster and more convenient physiological parameter detection. Furthermore, it adapts well to different user habits, providing a more flexible user experience.

[0333] In some examples, the first region 210 may include multiple location regions, each of which may correspond to at least one light source 2111. The correspondence between location regions and light sources 2111 is described above and will not be repeated here. Each location region can be illuminated and covered by the first light signal emitted by at least one light source 2111, thereby ensuring that the first light signals of multiple light sources 2111 can illuminate each location region.

[0334] Each location area corresponds to at least one light source 2111, and can also be used to control the light sources 2111, such as in step S102 of the physiological parameter detection method described above. After determining the location area in contact with the user's test site, the light source 2111 corresponding to that location area is controlled to emit a first light signal, while other light sources 2111 either do not emit light or emit a second light signal. This improves signal quality and reduces power consumption.

[0335] As shown in Figure 15, taking each position area as an example of a light source 2111, the position area of ​​the finger in Figure 15 corresponds to the light source 2111a. The first light signal emitted by the light source 2111a can shine on the finger and be reflected and / or refracted by the finger to form a return light signal.

[0336] The position area and the light source 2111 can be in a one-to-one correspondence, that is, one position area corresponds to one light source 2111. The first light signal emitted by one light source 2111 can be transmitted to the corresponding position area, and reflected and / or refracted by the part to be measured in the position area to form a return light signal.

[0337] Alternatively, a location area can correspond to multiple light sources 2111, meaning that the outgoing light emitted by multiple light sources 2111 can illuminate and transmit to the corresponding location area, and be reflected and / or refracted by the part to be measured in that location area to return and form a return light signal.

[0338] In multiple location regions, the number of light sources 2111 corresponding to each location region can be the same. Alternatively, at least some location regions can have different numbers of light sources 2111.

[0339] Alternatively, certain locations may share one or more light sources 2111.

[0340] The display module 21 may further include light-emitting units, which emit light to achieve functions such as image display. At least some of the light-emitting units can serve as the aforementioned light source 2111 to detect physiological parameters. In other words, physiological parameter detection is achieved using the display module 21's own light-emitting units, eliminating the need for additional light-emitting devices within the display module 21, thus reducing layout design complexity and cost. It also helps minimize the impact of physiological parameter detection on the display performance of the display module 21, making it easier to implement.

[0341] For example, the light-emitting unit may include, but is not limited to, a light-emitting diode (LED).

[0342] Of course, in some other examples, the light source 2111 described above can be a light-emitting device additionally provided in the display module 21. For example, the light source 2111 can be a visible light source, or it can also be an invisible light source. For example, the light source 2111 can be, but is not limited to, LEDs, infrared light sources, etc.

[0343] In some examples, each location region may correspond to at least one photodetector 22. The correspondence between location regions and photodetectors 22 can be found above and will not be repeated here. The return light signal returned by the part to be tested in each location region can be received and responded to by at least one photodetector 22, ensuring that the photodetector 22 can detect the return light signal whenever the part to be tested is placed in any location region of the first region 210, thereby realizing the detection of the user's physiological parameters.

[0344] Each location area can correspond to at least one photodetector 22, and can also be used to determine the location area of ​​the user's test site, such as to implement step S1011 in the above physiological parameter detection method, which determines the corresponding location area based on the detection electrical signals output by the multiple photodetectors 22, so as to control the light source 2111 based on the determined location area.

[0345] It can also be used to enable touch recognition of electronic devices in specific scenarios such as underwater. For example, it can be used to implement step S204 in the above-mentioned physiological parameter detection method, to acquire the detection electrical signals output by all photodetectors, determine the position area based on the detection electrical signals, and obtain the user's operation information.

[0346] For example, each location area can correspond to multiple photodetectors 22. That is, the return light signal returned by the part to be tested in a certain location area can be transmitted to multiple photodetectors 22 corresponding to that location area, forming multiple optical signal (return light) channels to obtain multiple optical signal waveforms. For example, as shown in Figure 15, taking two photodetectors 22 corresponding to each location area as an example, the photodetectors 222 corresponding to the location area where the finger is located in Figure 15 are photodetector 22a and photodetector 22b, respectively. The return light signal returned by the finger 300 can be transmitted to photodetector 22a and photodetector 22b respectively, forming two optical signal channels. In this way, two optical signal waveforms can be obtained. Photodetector 22a and photodetector 22b receive the return light signal and form two first electrical signals.

[0347] By utilizing the acquired multi-channel optical signal waveforms and algorithms, signal filtering can be achieved, improving the accuracy of detection. For example, the measurement of physiological parameters that have strong requirements for optical signal quality, such as heart rate and blood oxygen, will be more accurate. Furthermore, by combining the characteristics of multi-channel optical signal waveforms with the correlation of blood pressure, high-accuracy blood pressure values ​​can be obtained. Blood pressure measurement can be met without the need for cuffs or other pressure devices, which is conducive to realizing cuffless blood pressure measurement.

[0348] In this configuration, there can be a one-to-one correspondence between the location area and the photodetector 22. That is, the return light signal returned by the part to be tested in one location area can be transmitted to the corresponding photodetector 22 and received by the photodetector 22 to form a first electrical signal. This helps to reduce the number of photodetectors 22, simplify the structural design of the screen assembly 20, reduce costs, and also helps to reduce the impact of the placement of the photodetectors 22 on the strength and display performance of the screen assembly 20.

[0349] Alternatively, as mentioned above, a location area can correspond to multiple photodetectors 22, forming multiple optical signal (return light) channels, which helps improve detection accuracy. It should be noted that the number of photodetectors 22 corresponding to each location area can be the same, or at least some location areas can have different numbers of photodetectors 22.

[0350] Alternatively, some locations may share one or more photodetectors 22.

[0351] For example, the photodetector 22 may be, but is not limited to, a photoelectric detector (PD).

[0352] It should be noted that in the above examples where one location area corresponds to one or more light sources 2111, or where some location areas share one or more light sources 2111, the correspondence between the location area and the photodetector 22 is not limited. The correspondence between the location area and the photodetector 22 can adopt any of the examples above, such as one location area can correspond to one or more photodetectors 22, or some location areas can share one or more photodetectors 22.

[0353] The following example illustrates the assembly method of the photodetector 22 and the display module 21, taking the first region 210 as the entire region on the first surface 21a.

[0354] Figure 16 is a cross-sectional structural diagram of another screen component provided in an embodiment of this application.

[0355] In some examples, referring to Figure 16, the display module 21 may include a display panel 211, which may be located between the first surface 21a and the second surface 21b. The display panel 211 may include the aforementioned plurality of light sources 2111, which may emit light signals (such as a first light signal, a detection light signal, etc.) toward the outside of the first surface 21a (the side of the first surface 21a away from the display panel 211).

[0356] The photodetector 22 can be located on one side of the display panel 211, for example, along the thickness direction (such as the z-direction). The display panel 211 can include two opposing sides, one side being closer to the first surface 21a and the other side being closer to the second surface 21b. The photodetector 22 can be located on the side of the display panel 211 closer to the second surface 21b. The returned light signal from the first region 210 can be transmitted to the photodetector 22 through the display panel 211. This helps to reduce the impact of the photodetector 22's placement on the display performance of the display panel 211, ensuring compatibility between display performance and physiological parameter detection performance.

[0357] In some examples, as shown in Figure 16, the end face of the display panel 211 closer to the second surface 21b (away from the first surface 21a) may have multiple grooves 2112. At least a portion of the photodetector 22 may be located within the grooves 2112, i.e., along the thickness direction (e.g., the z-direction), so that at least a portion of the photodetector 22 is embedded within the display panel 211. This can reduce the space occupied by the display panel 211 and the photodetector 22 in the thickness direction (e.g., the z-direction), further facilitating the thinning of the screen assembly 20 and the thinning design of the device body.

[0358] A shielding layer 2113 can be provided on the inner circumferential sidewall of the groove 2112, forming a ring-shaped structure. The shielding layer 2113 can surround the photodetector 22 located within the groove 2112. The shielding layer 2113 can block light, preventing light signals emitted by the light source 2111 on the periphery of the display panel groove 2112 from directly entering the photodetector 22 and affecting the quality of the light signal, thereby improving the accuracy of physiological parameter detection.

[0359] Of course, in some other examples, the recess 2112 may not be provided on the display panel 211. Along the thickness direction (such as the z-direction), the photodetector 22 can be positioned below the display panel 211 (on the side closer to the bottom shell of the device body). This avoids the impact of the recess 2112 on the display panel 211 on the display panel 211's display performance and facilitates the layout of a larger number of photodetectors 22, which helps improve the accuracy of physiological parameter detection.

[0360] To achieve the assembly and electrical signal conduction of the photodetector 22, as shown in Figure 16, the display module 21 may further include a first circuit board 212. The first circuit board 212 may be located on one side of the display module 21, for example, along the thickness direction (such as the z direction). The first circuit board 212 may be located on the side of the display panel 211 away from the first surface 21a. The first circuit board 212 may be located below the display panel 211 (on the side closer to the bottom shell of the device body). The photodetector 22 may be disposed on the first circuit board 212 to achieve stable assembly of the photodetector 22.

[0361] In some examples, the photodetector 22 can be located on the side of the first circuit board 212 facing the display panel 211 for easy assembly.

[0362] Alternatively, in some examples, at least a portion of the photodetector 22 may also be embedded within the first circuit board 212 along the thickness direction (such as the z-direction).

[0363] For example, the first circuit board 212 may have a mounting hole on the side facing the display panel 211, and at least part of the photodetector 22 may be accommodated in the mounting hole, which helps to reduce the space occupied by the first circuit board 212 and the photodetector 22 in the thickness direction (such as the z direction), and helps to reduce the thickness of the screen assembly 20.

[0364] The mounting hole can be a blind hole, located on the side of the first circuit board 212 facing the display panel 211 along the thickness direction (e.g., the z-direction), with one end extending into the interior of the first circuit board 212 but not penetrating the side of the first circuit board 212 facing away from the display panel 211. Alternatively, the mounting hole can be a through hole, penetrating both opposite sides of the first circuit board 212 along the thickness direction (e.g., the z-direction).

[0365] The photodetector 22 can be completely housed within the mounting hole. Alternatively, one end of the photodetector 22 adjacent to the display panel 211 can protrude from the side of the first circuit board 212 facing the display panel 211. Or, in an example where the mounting hole is a through hole, the end of the photodetector 22 away from the display panel 211 can also protrude from the first circuit board 212.

[0366] The display panel 211 can be electrically connected to the first circuit board 212, and the photodetector 22 can also be electrically connected to the first circuit board 212. The first circuit board 212 can be electrically connected to the main control board of the electronic device, thus realizing the electrical connection between the display panel 211, the photodetector 22, and the main control board. By sharing the first circuit board 212 for electrical connection with the main control board, and by utilizing the first circuit board 212 for the assembly of the photodetector 22, the number of structural components in the screen assembly 20 can be reduced, which is beneficial for reducing the thickness of the screen assembly 20.

[0367] For example, the first circuit board 212 can be a printed circuit board (PCB), a rigid circuit board, or a flexible printed circuit board (FPC).

[0368] In some examples, as shown in Figure 16, the display module 21 may further include a light-transmitting cover plate 213, which may be located on the side of the display panel 211 facing away from the first circuit board 212. The light-transmitting cover plate 213, the display panel 211, and the first circuit board 212 may be stacked sequentially along the thickness direction (e.g., the z-direction). The side of the light-transmitting cover plate 213 facing away from the display panel 211 may be a first surface 21a, and the side of the first circuit board 212 facing away from the display panel 211 may be a second surface 21b.

[0369] For example, the light-transmitting cover 213 can be a plate-shaped structure that is at least partially transparent, such as a transparent glass plate, plastic plate, etc. The light signal emitted by the light source 2111 of the display panel 211 can be emitted outside the first surface 21a through the light-transmitting cover 213, and the returned light signal returned by the part to be measured can be transmitted to the photodetector 22 through the light-transmitting cover 213 and the display panel 211 to realize the detection of physiological parameters.

[0370] The outer contour shape of the light-transmitting cover 213 and the display panel 211 of the display module 21 can match the contour shape of the side frame of the electronic device, such as regular or irregular shapes like circles, ellipses, squares, or rounded rectangles. This facilitates the assembly of the screen assembly 20 with the side frame.

[0371] When the screen assembly 20 is assembled with the side frame of the housing, for example, a portion of the screen assembly 20 may be located outside the housing's receiving cavity, and a portion of the screen assembly 20 may be housed within the receiving cavity. For example, the first surface 21a of the display module 21 may protrude from the housing, such that at least a portion of the display module 21 may be located outside the housing's receiving cavity. A light-transmitting cover 213 may be located outside the housing's receiving cavity, covering the opening of the side frame. Structures located below the light-transmitting cover 213 (facing the display panel 211) along the thickness direction (e.g., the z-direction), such as the display panel 211, photodetector 22, and first circuit board 212, may all be housed within the housing's receiving cavity.

[0372] Of course, in some other examples, the entire screen assembly 20 can be housed within the housing cavity of the housing.

[0373] In this embodiment, the screen assembly 20 may further include a pressure-sensitive module 24, which can be used to detect the pressing pressure applied to the first surface 21a by a finger or other part to be tested.

[0374] For example, referring to Figure 16, the pressure-sensitive module 24 can be located on one side of the display module 21. For example, along the thickness direction (such as the z-direction), the pressure-sensitive module 24 can be located below the first surface 21a of the display module 21. The pressure-sensitive module 24 can detect the pressure information applied by the part to be measured to any location area within the first region.

[0375] For example, taking a user's finger 300 as the part to be tested, when the finger 300 is placed on the first surface 21a and located in any position within the first region 210, the finger 300 will apply a certain pressure to the first surface 21a. For example, the finger 300 will apply pressure along the thickness direction (such as the z-direction) to the first surface 21a of the display module 21. When using the light source 2111, photodetector 22, etc. to detect the physiological parameter information of the finger part, the pressure sensing module 24 can be used to detect the pressure information applied to the first surface 21a. Based on this pressure information, the magnitude of the pressure value can be obtained, realizing the quantitative detection of the pressure.

[0376] Using the pressure information obtained from the pressure-sensitive module 24, the user can be reminded to adjust the pressure in a timely manner to improve the accuracy of the detection. For example, the obtained pressure value can be compared with a first pressure range to promptly inform the user that the applied pressure is too high or too low, reminding the user to adjust the appropriate pressure in time, thus achieving highly accurate physiological parameter detection. Specific comparison implementations and reminder methods can be found above and will not be repeated here.

[0377] The pressure information obtained by the pressure-sensitive module 24 can also adaptively adjust the brightness of the first light signal emitted by the light source 2111 during the physiological parameter detection process. For example, it can be used to implement steps S101a to S101b and S102a in the above-mentioned physiological parameter detection method to improve signal quality and ease of operation. The specific implementation method can be found above and will not be repeated here.

[0378] For example, as shown in FIG16, the pressure-sensitive module 24 may include an elastic deformation element 241 and a pressure-sensitive component 24a. The elastic deformation element 241 can deform when subjected to an external force, and can return to its original shape when the external force is removed.

[0379] In some examples, the elastic deformation element 241 can be a sheet-like structure, for example, the elastic deformation element 241 can be a metal sheet, such as a steel sheet, so that the elastic deformation element 241 can undergo elastic deformation.

[0380] The elastic deformable element 241 can cooperate with the display module 21. When a finger is applied to any area of ​​the first surface 21a, the display module 21 will deform accordingly. For example, the finger 300 can apply pressure along the thickness direction (e.g., the z-direction) to the first surface 21a, causing the display module 21 to deform and protrude into the receiving cavity of the device body. The display module 21 will act on the elastic deformable element 241, causing the elastic deformable element 241 to undergo elastic deformation, such as protruding into the receiving cavity of the device body.

[0381] The pressure-sensitive component 24a is used to detect the elastic deformation generated by the elastic deformation element 241 and outputs a second electrical signal, which can be used as the pressing force information mentioned above. Based on the second electrical signal, the elastic deformation of the elastic deformation element 241 can be obtained. Combined with the structure and stiffness of the elastic deformation element 241, the pressure required for the elastic deformation element 241 to produce this elastic deformation can be analyzed, thus obtaining the magnitude of the pressing force applied to the display module 21 and obtaining the pressing force value.

[0382] There are multiple pressure-sensitive components 24a, and each position area can correspond to at least one pressure-sensitive component 24a. The correspondence between position areas and pressure-sensitive components 24a is as described above and will not be repeated here. When a pressing force is applied to a certain position area, the pressure-sensitive component 24a corresponding to that position area can detect the pressing force and output a second electrical signal to ensure that the pressing force information can be detected whenever the finger is applied to any position area.

[0383] Each position area corresponds to at least one pressure-sensitive component 24a, and can also be used to determine the position area of ​​the user's part to be tested, such as to implement step S1012 in the above physiological parameter detection method, which determines the corresponding position area based on the second electrical signal output by some pressure-sensitive components.

[0384] It can also be used to enable touch recognition of electronic device 100 in specific scenarios such as underwater. For example, it can be used to implement step S203 in the above-mentioned physiological parameter detection method, determining the position area in contact with the user's test part based on the second electrical signal output by the pressure-sensitive component 24a, and obtaining the user's operation information.

[0385] In some examples, the display module 21 may also include a touch layer (not shown in the figure). For example, the touch layer may be disposed on the side of the light-transmitting cover 213 facing away from the first surface 21a. The touch layer can also be used to recognize user touches.

[0386] For example, in liquid environments such as underwater, the conductivity of water or other liquids can cause the touch layer to fail. In this case, the pressure-sensitive component 24a can be used to obtain pressure information to recognize the user's touch. And / or, a light source and a photodetector can also be used to recognize the user's touch.

[0387] Of course, in other examples, in non-underwater applications such as everyday use, the touch layer and pressure-sensitive component 24a can be used together to recognize user touches. Alternatively, the touch layer alone can be used to recognize user touches.

[0388] Alternatively, in some examples, the display module 21 may not include the touch layer described above, and may only use the pressure-sensitive component 24a to recognize user touches.

[0389] In some examples, there can be a one-to-one correspondence between the location area and the pressure-sensitive component 24a. That is, when pressure is applied to a certain location area, the elastic deformation element 241 undergoes elastic deformation, and the pressure-sensitive component 24a corresponding to that location area can detect the elastic deformation of the elastic deformation element 241, thereby realizing the detection of pressure information. While achieving the detection of pressure information, this helps to reduce the number of pressure-sensitive components 24a, simplify the structural design of the screen component 20, and reduce costs.

[0390] Alternatively, a location area can correspond to multiple pressure-sensitive components 24a. When pressure is applied to the location area, the elastic deformation element 241 undergoes elastic deformation. Multiple pressure-sensitive components 24a corresponding to the location area can detect the elastic deformation of the elastic deformation element 241, which helps to improve the accuracy of elastic deformation detection.

[0391] In multiple location regions, the number of pressure-sensitive components 24a corresponding to each location region can be the same, or at least some location regions can have different numbers of pressure-sensitive components 24a.

[0392] For example, the pressure-sensitive component 24a may include a support member 243 and a pressure sensor 242, which can detect the elastic deformation generated by the elastic deformation member 241 and output a second electrical signal.

[0393] The support member 243 can be connected and fixed to the display module 21 and the elastic deformation member 241 respectively. The display module 21 can cooperate with the elastic deformation member 241 through the support member 243. The support member 243 can play a role in force transmission. When the display module 21 deforms under pressure, the display module 21 can act on the elastic deformation member 241 through the support member 243, causing the elastic deformation member 241 to undergo elastic deformation.

[0394] Understandably, in operations such as physiological parameter detection or touch recognition, the pressure applied by the finger to the display module 21 is relatively small, resulting in relatively small deformation of the display module 21 and the elastic deformation member 241. The elastic deformation member 241 is more prone to elastic deformation near the connection point with the support member 243. The elastic deformation at other locations of the elastic deformation member 241 can be very small or almost non-existent.

[0395] The pressure sensor 242 can be disposed on the elastic deformable element 241. The pressure sensor 242 can be disposed adjacent to the support element 243. When a pressing force is applied to a certain position area, the display module 21 acts on the elastic deformable element 241 through the support element 243 in the pressure sensing component 42a corresponding to that position area, causing the elastic deformable element 241 to undergo elastic deformation near the position connected to the support element 243. The pressure sensor 242 in the corresponding pressure sensing component 42a can then respond to this elastic deformation of the elastic deformable element 241 to detect the elastic deformation amount of the elastic deformable element 241, thereby ensuring that the pressing force information can be detected whenever the finger or other part of the device presses on any position area.

[0396] For example, taking the pressure-sensitive component 42a corresponding to the area where the finger is located in Figure 16 as an example, the pressure-sensitive component 42a may include a support member 243a and a pressure sensor 242a. The pressure sensor 242a is arranged adjacent to the support member 243a. The pressure sensor 242a can be used to detect the elastic deformation of the elastic deformation member 241 at the connection position with the support member 243a.

[0397] When finger 300 presses on the location area, display module 21 deforms. For example, display module 21 bulges towards elastic deformable member 241 (i.e., towards the receiving cavity of electronic device). Display module 21 can also bulge away from display module 21 by support member 243a pressing elastic deformable member 241. Pressure sensor 242a can detect the elastic deformation and generate a second electrical signal. Based on the second electrical signal, the elastic deformation of elastic deformable member 241 can be obtained, and thus the pressing force value applied to the location area can be obtained.

[0398] Based on the second electrical signal of the pressure sensor 242a, the position area corresponding to the pressure sensing component a can be identified, thereby realizing the identification of the position area.

[0399] The pressure sensor 242 can be electrically connected to the main control board of the electronic device 100 to output the generated second electrical signal to the main control board to obtain the elastic deformation. In some examples, the pressure-sensitive module 24 may also include a connecting circuit board 244, through which the pressure sensor 242 can be electrically connected to the main control board.

[0400] For example, the pressure sensor 242 can be a piezoresistive sensor. When the elastic deformation element 241 undergoes elastic deformation, the pressure sensor 242 can also deform along with the elastic deformation element 241, causing a change in resistance in the pressure sensor 242. The elastic deformation of the elastic deformation element 241 can be analyzed and calculated based on the change in resistance generated by the pressure sensor 242.

[0401] Of course, in some other examples, the pressure sensor 242 can also be a capacitive sensor, a piezoelectric sensor, an inductive sensor, or other types of pressure sensor.

[0402] For example, in the pressure-sensitive assembly, at least one pressure sensor 242 may be located near a support member 243 to ensure that the elastic deformation of the elastic deformation member 241 can be accurately detected by the pressure sensor 242.

[0403] Among them, the support member 243 and the pressure sensor 242 can be in a one-to-one correspondence. For example, a pressure sensor 242 can be set at the adjacent position of a support member 243. Under the condition of meeting the requirements for elastic deformation detection, it is beneficial to reduce the number of pressure sensors 242 and reduce the structural complexity and cost of screen assembly 20.

[0404] Alternatively, multiple pressure sensors 242 can be installed near a support member 243 to detect elastic deformation, thereby improving the accuracy and responsiveness of the detection.

[0405] In some examples, as shown in Figure 16, the elastic deformable element 241 may be disposed on one side of the second surface 21b, such as along the thickness direction (e.g., the z-direction), and the elastic deformable element 241 may be located below the second surface 21b (on the side closer to the bottom shell of the device body).

[0406] The support member 243 can be disposed between the display module 21 and the elastic deformation member 241. When pressure is applied to the location area of ​​the first surface 21a, the display module 21 will deform towards the elastic deformation member 241 under the pressure. The support member 243 can push the elastic deformation member 241 to deform away from the display module 21, thereby realizing the detection of pressure information. The structural design is simple, easy to implement, and will not affect the layout and performance of the display module 21.

[0407] In an example where the display module 21 includes a first circuit board 212, as shown in FIG16, one side of the first circuit board 212 can be the second surface 21b of the display module 21. Along the thickness direction (e.g., the z-direction), the elastic deformation member 241 can be located on the side of the first circuit board 212 facing away from the display panel 211. A support member 243 can be disposed between the first circuit board 212 and the elastic deformation member 241. Along the thickness direction (e.g., the z-direction), both ends of the support member 243 can be connected and fixed to the first circuit board 212 and the elastic deformation member 241, respectively.

[0408] Of course, in some other examples, the support member 243 can also be disposed between other structural components of the display module 21 and the elastic deformation member 241. For example, the support member 243 can also be disposed between the display panel 211 and the elastic deformation member 241, and both ends of the support member 243 can be connected and fixed to the display panel 211 and the elastic deformation member 241 respectively. It should be noted that disposing the support member 243 between the first circuit board 212 and the elastic deformation member 241 can reduce or avoid damage to the display panel 211, etc., during the pressing process, which is beneficial to improving the service life of the display module 21.

[0409] In some examples, the connecting circuit board 244 for realizing the electrical connection of the pressure sensor 242 can be disposed on the side of the elastic deformable member 241 facing the display module 21, and the pressure sensor 242 can be disposed on the connecting circuit board 244 and realize the electrical connection with the main control board through the connecting circuit board 244.

[0410] The support member 243 can be disposed between the connecting circuit board 244 and the display module 21. For example, the support member 243 can be disposed between the connecting circuit board 244 and the first circuit board 212. Along the thickness direction (such as the z direction), the two ends of the support member 243 can be connected and fixed to the first circuit board 212 and the connecting circuit board 244 respectively.

[0411] Figure 17 is a schematic diagram of the distribution structure of a pressure-sensitive module in a screen assembly according to an embodiment of this application. Figure 17 can be a schematic diagram viewed from above in the thickness direction of the pressure-sensitive module as shown in Figure 16.

[0412] The number of pressure-sensitive components and their distribution in the screen assembly 20 can be selected and set according to the position distribution of the first area, operating habits, etc. Figure 17 shows an example of the design of the number and distribution of pressure-sensitive components 24a in the screen assembly 20, taking an electronic device as a watch with a circular outer contour shape of the side frame and display module of the main body of the device.

[0413] Referring to Figure 17, by way of example, the shapes of the elastic deformable member 241 and the connecting circuit board 244 can match the shape of the screen assembly 20, such as both being circular. The number of pressure-sensitive components 24a can be four, and each pressure-sensitive component 24a can include a support member 243 and a pressure sensor 242.

[0414] The four support members 243 can be symmetrically and evenly distributed around the circumference of the display module 21, with the geometric center of the display module 21 as the center, and the support members 243 are distributed in four directions: up, down, left, and right. Using fewer support members 243, it is possible to detect the pressure at different positions. For example, in the example where the first region 210 is the entire display area, if the display module 21 is pressed at any position within the first region 210, the pressure information at any position can be detected using the four support members 243. This reduces the number of support members 243, simplifies the structural design of the screen assembly 20, reduces costs, and facilitates the elastic deformation of the elastic deformation member 241.

[0415] In this embodiment, a light-transmitting electrode can also be integrated on the screen assembly 20 to obtain an ECG signal, enabling the electronic device to perform electrocardiogram detection.

[0416] It is understood that the example of integrating a light-transmitting electrode on the screen assembly 20 can be applied to the screen assembly 20 in any of the examples above. For example, in the example where the screen assembly 20 integrates a light-transmitting electrode, the screen assembly 20 may include the aforementioned light source 2111, photodetector 22, etc., to realize functions such as detecting physiological parameters. The screen assembly 20 may also include the aforementioned pressure-sensitive module 24, etc., to realize functions such as quantitative detection of pressure applied. Alternatively, in the example where the screen assembly 20 integrates a light-transmitting electrode, the screen assembly 20 may include the aforementioned light source 2111, photodetector 22, etc., to realize functions such as detecting physiological parameters. The screen assembly 20 may not include the aforementioned pressure-sensitive module 24, etc., and the screen assembly 20 may not realize functions such as detecting the magnitude of pressure applied.

[0417] Figure 18 is a cross-sectional structural diagram of a screen assembly in another electronic device provided in an embodiment of this application.

[0418] Referring to Figure 18, the screen assembly 20 includes a light-transmitting electrode 25, which can be disposed on the first surface 21a of the display module 21. The light-transmitting electrode 25 enables the light signal emitted by the light source 2111 in the display module 21 to pass through, and the returned light signal can also pass through the light-transmitting electrode 25 to illuminate the photodetector 22.

[0419] The light-transmitting electrode 25 can cover the first region 210. When the finger to be tested is placed at a certain position within the first region 210, the finger to be tested can contact the light-transmitting electrode 25. The light-transmitting electrode 25 can detect the potential of the tested area to form a third electrical signal. Based on the third electrical signal, an ECG signal can be output to obtain second physiological parameter information. For example, the second physiological parameter information may include heart rate information, heart rhythm information, cardiac structural abnormality information, myocardial ischemia information, cardiac electrical axis information, ventricular hypertrophy information, electrolyte imbalance information, etc. This realizes the electrocardiogram detection function, enabling electronic devices to perform more health detection functions and meeting users' needs for multifunctional electronic devices. The specific detection method can refer to steps S301 to S302 of the physiological parameter detection method described above.

[0420] In some examples, a third physiological parameter can be obtained by combining the second electrical signal and the first electrical signal from the photodetector 22. For example, the third physiological parameter may include blood pressure information. Based on the first physiological parameter information obtained using the photodetector 22, and combined with second physiological parameter information such as heart rate, cardiac contraction and diastolic cycle information obtained from the third electrical signal, more accurate blood pressure information can be obtained, further facilitating high-precision blood pressure detection without a wristband. The specific detection method can be referred to steps S401 to S403 of the physiological parameter detection method described above.

[0421] The first region 210 is covered with a light-transmitting electrode 25, which can also be used to determine whether the user's test site is in contact with the area, such as in step S100b of the above-mentioned physiological parameter detection method, thereby preventing accidental contact.

[0422] To achieve electrical conduction of the light-transmitting electrode 25, referring further to Figure 18, the screen assembly 20 may also include a second circuit board 26. The second circuit board 26 may be disposed on one side of the second surface 21b of the display module 21, such as along the thickness direction (z direction), and the second circuit board 26 is located below the display module 21. When the screen assembly 20 is assembled with the housing, the second circuit board 26 may be located within the receiving cavity of the housing. Between the second circuit board 26 and the display module 21, the second circuit board 26 is disposed closer to the bottom shell of the housing.

[0423] In some examples, the second circuit board 26 may be a circuit board added below the display module 21, and the second circuit board 26 may be electrically connected to the main control board. Alternatively, in some examples, the screen assembly 20 may not include the second circuit board 26, and the second circuit board 26 may be the main control board of the electronic device.

[0424] The second circuit board 26 can be a printed circuit board, a rigid circuit board, or a flexible printed circuit board.

[0425] Taking the second circuit board 26 as an example of a circuit board added below the display module 21, the light-transmitting electrode 25 can be electrically connected to the second circuit board 26, and then the electrical signal between the second circuit board 26 and the main control board can be connected. The third electrical signal formed by the light-transmitting electrode 25 can be transmitted to the main control board through the second circuit board 26.

[0426] Figure 19 is a schematic diagram of the bottom shell structure of another electronic device provided in the embodiment of this application. Figure 19 is a schematic diagram of the bottom shell 12 of the electronic device 100 viewed from below in the thickness direction (such as the z direction).

[0427] In some examples, to achieve the electrocardiogram (ECG) detection function, detection electrodes can be integrated into other structural components of the electronic device. For example, as shown in Figure 19, a first electrode 40 and a second electrode 50 can be provided on the contact surface 12a of the bottom shell 12. When the electronic device 100 is worn, the first electrode 40 and the second electrode 50 on the contact surface 12a can contact the wrist area, and the first electrode 40 and the second electrode 50 can detect the potential of the wrist area, etc., to form a fourth electrical signal and a fifth electrical signal, respectively.

[0428] The first electrode 40 and the second electrode 50 can be electrically connected to the main control board within the housing cavity of the electronic device 100, transmitting the fourth and fifth electrical signals to the main control board. An ECG signal can be formed based on the obtained third, fourth, and fifth electrical signals. Based on the ECG signal, the aforementioned physiological parameters related to cardiac electrical activity can be obtained, enabling electrocardiogram (ECG) detection. Furthermore, third physiological parameters such as blood pressure can be obtained by combining the ECG signal with the first electrical signal from the photodetector 22.

[0429] The following example illustrates the electrical connection between the light-transmitting electrode 25 and the second circuit board 26, using the screen assembly 20 as an example that can perform both physiological parameter detection and pressure detection. In the example where the screen assembly 20 includes the photodetector 22 but does not include the pressure-sensitive module 24, the connection between the light-transmitting electrode 25 and the second circuit board 26 can be found in the example where the screen assembly 20 can perform both physiological parameter detection and pressure detection, and will not be repeated below.

[0430] Figure 20 is a partial front view of another electronic device provided in an embodiment of this application, and Figure 21 is a connection diagram of the light-transmitting electrode, display module and second circuit board in Figure 20. Figure 20 is a schematic diagram viewed from the perspective of the display surface of the electronic device 100 in the thickness direction (e.g., the z-direction).

[0431] As shown in Figures 20 and 21, the light-transmitting electrode 25 is disposed on the first surface 21a of the display module 21. For example, the light-transmitting electrode 25 can be a sheet-like structure, and for example, the light-transmitting electrode 25 can be disposed on the first surface 21a by means of bonding.

[0432] Alternatively, in some examples, a light-transmitting electrode 25 can be formed on the first surface 21a by means of coating, film deposition, etc.

[0433] For example, the material used to form the light-transmitting electrode 25 may include transparent conductive oxides, such as indium tin oxide (ITO), aluminum zinc oxide (AZO), tin oxide (SnO2), etc. Of course, in some other examples, the material used to form the light-transmitting electrode 25 may also be other types of light-transmitting materials.

[0434] To achieve electrical connection with the second circuit board 26 on one side of the display module 21, the light-transmitting electrode 25 may include a main body portion 251 and a folded portion 252. The main body portion 251 is attached to the first surface 21a of the display module 21, and folded portions 252 may be provided on both sides of the main body portion 251.

[0435] One end of the folded portion 252 can be located on the first surface 21a and connected to the main body portion 251. Referring to Figure 21, the other end of the folded portion 252 can extend towards the second circuit board 26. For example, the folded portion 252 can be folded against the circumferential side of the display module 21 and extend towards the second circuit board 26, so that the other end of the folded portion 252 extends below the first surface 21a. This facilitates electrical connection between the other end of the folded portion 252 and the second circuit board 26, thereby achieving electrical connection between the light-transmitting electrode 25 and the second circuit board 26 through the two folded portions 252, forming an electrical connection circuit. The structural design is simple and reduces or avoids the impact of the electrical connection between the light-transmitting electrode 25 and the second circuit board 26 on the performance of the display module 21.

[0436] In some examples, the screen assembly 20 may also include a flexible connector 27, the other end of which can be electrically connected to the first end of the flexible connector 27. For example, the other end of the folded portion 252 can be fixed to the first end of the flexible connector 27 and electrically connected by conductive adhesive or the like.

[0437] The second end of the flexible connector 27 can be electrically connected to the second circuit board 26, so that the light-transmitting electrode 25 can be electrically connected to the second circuit board 26 through the flexible connector 27. For example, the flexible connector 27 can be a flexible circuit board, a flexible connecting wire, a flexible connecting piece, etc., which helps to reduce the cost of realizing electrical connection.

[0438] In some examples, the second end of the flexible connector 27 can be fixed to the second circuit board 26 and electrically connected by means such as conductive adhesive bonding or welding.

[0439] Alternatively, in some examples, the flexible connector 27 can be electrically connected to the second circuit board 26 through an elastic conductive element to improve the connection stability between the flexible connector 27 and the second circuit board 26.

[0440] Figure 22 is a partial structural cross-sectional schematic diagram of a screen assembly in another electronic device provided in this application embodiment. Figure 22 is only a partial structural schematic diagram of the screen assembly 20, and structural components such as photodetectors, light sources, and pressure sensors included in the screen assembly 20 are not shown.

[0441] For example, referring to FIG22, the second circuit board 26 may be located below the elastic deformable member 241 along the thickness direction (e.g., the z-direction). The second end of the flexible connector 27 may be located on the side of the elastic deformable member 241 facing the second circuit board 26.

[0442] It should be noted that the flexible connector 27 and the elastic deformable element 241 are insulated to prevent the electrical signal of the flexible connector 27 from leaking into the elastic deformable element 241 and affecting the signal quality of the pressure sensor on the elastic deformable element 241. For example, an electrical insulation structure, such as an insulating film or insulating gasket, can be fixed between the second end of the flexible connector 27 and the elastic deformable element 241.

[0443] The screen assembly 20 also includes an elastic conductive element 28, which has elastic stretching and conductive properties. For example, the elastic conductive element 28 can be conductive foam, etc. The elastic conductive element 28 can be disposed between the second end of the flexible connector 27 and the second circuit board 26, and the elastic conductive element 28 is in a compressed state.

[0444] The elastic conductive element 28, after being compressed, is assembled between the second end of the flexible connector 27 and the second circuit board 26. The rebound force generated by the compressed elastic conductive element 28 can stably abut and fix the second end of the flexible connector 27 against the side of the elastic deformable element 241 facing the second circuit board 26. The rebound force can also ensure a stable connection between the elastic conductive element 28 and the second circuit board 26, giving the flexible connector 27 and the second circuit board 26 high connection stability and facilitating assembly.

[0445] For example, during actual assembly, one end of the elastic conductive element 28 can be fixed to the second circuit board 26. This can be achieved by methods such as welding or conductive bonding, which fix one end of the elastic conductive element 28 to the second circuit board 26 and establish an electrical connection. Then, the elastic conductive element 28 is compressed and pressed against the second end of the flexible connector 27, so that the second end of the flexible connector 27 abuts against the elastic deformable element 241, thus achieving the assembly and electrical connection between the flexible connector 27 and the second circuit board 26.

[0446] It is understood that in the example where the screen assembly 20 includes a photodetector to realize physiological parameter detection but does not include a pressure-sensitive module, the light-transmitting electrode 25 may include the main body and the folding part, and the folding part may also be electrically connected to the second circuit board 26 through the flexible connector 27.

[0447] For example, along the thickness direction (such as the z-direction), the second circuit board 26 can be located on the side of the first circuit board 212 away from the display panel 211, the second end of the flexible connector 27 can be located on the side of the first circuit board 212 away from the display panel 211, and the elastic conductive member 28 can be located between the second end of the flexible connector 27 and the second circuit board 26. The rebounding elastic conductive member 28 can stably abut the second end of the flexible connector 27 against the side of the first circuit board 212 away from the display panel 211, and can also achieve high connection stability between the flexible connector 27 and the second circuit board 26.

[0448] In some examples, the screen assembly 20 may not include the flexible connector 27. For example, the other end of the folding portion 252 may extend to the second circuit board 26 to achieve electrical connection with the second circuit board 26, simplifying the structural design for achieving electrical connection and facilitating assembly.

[0449] The connection between the other end of the folded portion 252 and the second circuit board 26 can also be achieved through the aforementioned elastic conductive element 28. The specific implementation method can be referred to the connection implementation method between the flexible connector 27 and the second circuit board 26, which will not be elaborated here.

[0450] In the example where the screen assembly 20 integrates the aforementioned photodetector, pressure-sensitive module, and light-transmitting electrode, the photodetector, pressure-sensitive module, and other electronic devices can also be electrically connected to the second circuit board to achieve electrical connection with the main control board of the electronic device.

[0451] Figure 23 is a cross-sectional structural diagram of a screen assembly in another electronic device provided in an embodiment of this application.

[0452] For example, referring to Figure 23, the first circuit board 212 of the display module 21 can be electrically connected to the second circuit board 26. The second circuit board 26 enables electrical signal conduction between the first circuit board 212 and the main control board, allowing electrical connection between the display panel 211 of the display module 21 and the main control board, thus enabling control of the display panel 211 and the light source 2111, etc. It can also electrically connect the photodetector 22 to the main control board, allowing the first electrical signal (and detection signal) of the photodetector 22 to be transmitted to the main control board. For example, the processor on the main control board can obtain first physiological parameter information based on the first electrical signal (and detection signal), determine whether a user's body part is the contact area of ​​the test site, and determine the user's contact area, etc.

[0453] The connecting circuit board (not shown in the figure) of the pressure-sensitive module 24 can also be electrically connected to the second circuit board 26. Through the second circuit board 26, the electrical signal between the pressure sensor and the main control board can be conducted, transmitting the second signal of the pressure sensor to the main control board. For example, the processor on the main control board can obtain pressure information, determine the user's contact area, and realize touch recognition based on the second electrical signal.

[0454] The light-transmitting electrode 25 is electrically connected to the main control board via the aforementioned flexible connector 27 and the second circuit board 26. The third electrical signal from the light-transmitting electrode 25 can be transmitted to the main control board. The fourth and fifth electrical signals generated by the first and second electrodes on the bottom shell of the electronic device can also be transmitted to the main control board. For example, the processor on the main control board can obtain ECG signals and second physiological parameter information based on the third, fourth, and fifth electrical signals, obtain third physiological parameter information based on the first electrical signal and the ECG signal, and determine whether a user's body part is the contact area for the test site based on the third electrical signal.

[0455] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal connection of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances. The terms "first," "second," "third," "fourth," etc. (if present) are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0456] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of this application, and are not intended to limit them. Although the embodiments of this application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A method for detecting physiological parameters, used in electronic devices, characterized in that, The electronic device includes a display module and a photodetector, the display module having multiple light sources, and the method includes: Determine the area of ​​contact between the part of the device to be tested and the user. The light source in the display module corresponding to the location area is controlled to emit a first light signal, so that the first light signal returns through the part to be tested and is received by the photodetector; other light sources in the display module are controlled to either not emit light or emit a second light signal, the brightness of the second light signal being less than the brightness of the first light signal; The first electrical signal output by the photodetector is acquired, and the first physiological parameter information is obtained based on the first electrical signal.

2. The method according to claim 1, characterized in that, Before controlling the light source in the display module corresponding to the position area to emit a first light signal, the method further includes: Acquire pressure information of the user's test site on the location area, and obtain pressure value based on the pressure information; The step of controlling the light source in the display module corresponding to the position area to emit a first light signal includes: The brightness of the first optical signal is adjusted according to the pressure value.

3. The method according to claim 2, characterized in that, The step of controlling the light source in the display module corresponding to the position area to emit a first light signal includes: If the pressure value is within the first pressure range, the brightness of the first light signal is adjusted according to the pressure value.

4. The method according to claim 3, characterized in that, The first pressure range includes a second pressure range, which is located between the maximum and minimum values ​​of the first pressure range; If the pressing pressure value is within the first pressure range, adjusting the brightness of the first light signal according to the pressing pressure value includes: When the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the brightness of the first light signal is increased; When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the brightness of the first light signal is reduced; When the pressure value is within the second pressure range, the brightness of the first light signal remains unchanged.

5. The method according to claim 4, characterized in that, If the pressing pressure value is within the first pressure range, adjusting the brightness of the first light signal according to the pressing pressure value includes: When the pressure value is between the minimum value of the first pressure range and the minimum value of the second pressure range, the first light signal has a first brightness. When the pressure value is between the maximum value of the second pressure range and the maximum value of the first pressure range, the first light signal has a second brightness; When the pressure value is within the second pressure range, the first light signal has a third brightness; The first brightness is greater than the second brightness and the third brightness, respectively, and the second brightness is greater than the third brightness.

6. The method according to any one of claims 3-5, characterized in that, After obtaining the pressing pressure value based on the pressing pressure information and before controlling the light source in the display module corresponding to the position area to emit a first light signal, the method further includes: If the pressure value is outside the first pressure range, a first prompt message is sent.

7. The method according to any one of claims 1-6, characterized in that, The location area is within a first area, which is part or all of the display area of ​​the display module.

8. The method according to any one of claims 1-7, characterized in that, The number of the photodetectors is multiple; Determining the location area in contact with the user's part to be tested includes: acquiring all the detection electrical signals output by the photodetectors, and determining the location area based on the detection electrical signals.

9. The method according to claim 8, characterized in that, Before determining the location area in contact with the user's part to be tested, the method further includes: controlling the light source in the display module to emit a detection light signal; The detection electrical signal output by the photodetector is acquired, and the location area is determined based on the detection electrical signal to be the user's body part that is in contact with the test area.

10. The method according to any one of claims 1-9, characterized in that, The electronic device also includes multiple pressure-sensitive components; Determining the location area in contact with the user's part to be tested includes: acquiring a portion of the second electrical signal output by the pressure-sensitive component, and determining the location area based on the second electrical signal.

11. The method according to any one of claims 1-8, 10, characterized in that, The first area of ​​the display module is covered with a light-transmitting electrode; Before determining the location area in contact with the user's test site, the method further includes: The third electrical signal output by the light-transmitting electrode is obtained, and the location area is determined to be the user's body part as the test part based on the third electrical signal.

12. The method according to claim 11, characterized in that, After obtaining the third electrical signal output by the light-transmitting electrode, the method further includes: outputting an ECG signal based on the third electrical signal to obtain second physiological parameter information.

13. The method according to claim 12, characterized in that, After outputting the ECG signal based on the third electrical signal, the method further includes: obtaining third physiological parameter information based on the ECG signal and the first electrical signal.

14. The method according to any one of claims 3-5, characterized in that, When the pressure value is within the first pressure range, the electronic device displays a first measurement interface, which includes a first identifier to indicate the first pressure range.

15. A screen assembly (20), characterized in that, include: A display module (21) includes a first surface (21a) and a second surface (21b) facing away from each other. The first surface (21a) has a first region (210) located within the display area of ​​the display module (21). The display module (21) also includes a plurality of light sources (2111) for emitting a first light signal so that the first light signal returns after passing through the part to be tested located in the first region (210). Multiple photodetectors (22) are disposed on one side of the display module (21); the photodetectors (22) are used to receive the return light signal returned from the part to be tested on the first region (210) to form a first electrical signal, which is used to obtain first physiological parameter information.

16. The screen assembly (20) according to claim 15, characterized in that, The first region (210) includes multiple location regions, each of which corresponds to multiple photodetectors (22).

17. The screen assembly (20) according to claim 15 or 16, characterized in that, The display module (21) includes a display panel (211) located between the first surface (21a) and the second surface (21b), and the display panel (211) has a plurality of light sources (2111); The photodetector (22) is located on one side of the display panel (211), which has a plurality of grooves (2112), and at least a portion of the photodetector (22) is located within the grooves (2112); A shielding layer (2113) is provided on the inner wall of the groove (2112), and the shielding layer (2113) surrounds the photodetector (22).

18. The screen assembly (20) according to any one of claims 15-17, characterized in that, It also includes an elastic deformable element (241) located on one side of the display module (21) and a plurality of pressure-sensitive components (24a), with each position area corresponding to at least one pressure-sensitive component (24a); The elastic deformation member (241) cooperates with the display module (21), and the elastic deformation member (241) is used to generate elastic deformation under the action of the display module (21) when the position area is subjected to pressure. The pressure-sensitive component (24a) is used to detect the elastic deformation generated by the elastic deformation member (241) to obtain the pressing pressure information of the pressing force on the corresponding position area.

19. The screen assembly (20) according to claim 18, characterized in that, The pressure-sensitive assembly (24a) includes a support (243) and a pressure sensor (242); The support member (243) is connected to the display module (21) and the elastic deformation member (241) respectively. The display module (21) acts on the elastic deformation member (241) through the support member (243) to make the elastic deformation member (241) generate elastic deformation. The pressure sensor (242) is disposed on the elastic deformable member (241) and adjacent to the support member (243).

20. The screen assembly (20) according to any one of claims 15-19, characterized in that, It also includes a light-transmitting electrode (25), which is disposed on the first surface (21a) and covers the first region (210); The light-transmitting electrode (25) is used to collect a third electrical signal, and the first electrical signal and the third electrical signal are used together to obtain third physiological parameter information.

21. An electronic device (100), characterized in that, The device includes a housing (10) and a screen assembly (20) as described in any one of claims 15-20, wherein the housing (10) includes a receiving cavity with an opening at one end, the screen assembly (20) is disposed over the opening, and at least a portion of the screen assembly (20) is received within the receiving cavity.

22. An electronic device, characterized in that, The device includes a processor and a memory coupled to the processor. The memory is used to store computer program code, which includes computer instructions. The processor invokes the computer instructions to cause the electronic device to perform the method described in any one of claims 1-14.

23. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a computer program that, when run on a computer, causes the computer to perform the method described in any one of claims 1-14.

24. A computer program product, characterized in that, The computer program product includes computer program code that, when run on a computer, causes the computer to perform the method described in any one of claims 1-14.

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