Shenzhen Goodix Technology Co., Ltd.

Songjin Zhong

Canhong Du

Mengping Li

Zhiying Wu

Fanglin Jiang

Leigang Cheng

Enqi Fu

Hongjun Wen

A heart rate detection method, a heart rate detection apparatus and an electronic device are provided. The heart rate detection method includes: acquiring a heart rate detection light signal, where the heart rate detection light signal is a light signal that is emitted upward from a ring light-emitting region of a display screen and enters a capturing region after being reflected by a finger of a user, and an intermediate region surrounded by the ring light-emitting region is a non-light-emitting region (); and determining a heart rate of the user according to the heart rate detection light signal (). According to the method, the accuracy of heart rate detection could be effectively improved.

Heart rate detection method, heart rate detection apparatus and electronic device

A method for measuring an intensity of ambient light at an electronic device, and a electronic device and a chip are provided. The electronic device includes a screen, and the screen is configured to be deemed at a dimming frequency. The method includes the following. Mixed light including the ambient light and screen leakage light is collected. A DC mean value of the mixed light is obtained. A DC mean value of the screen leakage light is obtained. A DC mean value of the ambient light is determined by subtracting the DC mean value of the screen leakage light from the DC mean value of the mixed light. The DC mean value of the ambient light is indicative of the intensity of the ambient light.

Method for measuring intensity of ambient light at electronic device, electronic device, and chip

Embodiments of the present disclosure provide methods and apparatuses for detecting an ambient light illuminance and for computing a correction coefficient, and an electronic device. The method for detecting an ambient light illuminance includes: filtering ambient light based on a monochromatic channel, such that a quantum efficiency curve of the filtered light matches a spectral luminous efficiency curve; and performing photoelectric detection on the filtered light to obtain an illuminance level of the ambient light. In solutions of the embodiments of the present disclosure, the photoelectric detection may be equivalent to obtaining an illuminance level of light by convolutional computation based on a spectral luminous efficiency curve, and therefore, when the quantum efficiency curve for a monochromatic waveband obtained by filtering ambient light based on a monochromatic channel matches the spectral luminous efficiency curve, a reliable spectral luminous efficiency curve can be obtained with a small computing workload.

Methods and apparatuses for detecting ambient light illuminance and for computing correction coefficient and electronic device

Embodiments of the present application provide a method and apparatus for locating a sensor under a display screen and an electronic device, which can effectively improve performance of the sensor, thereby improving performance of the electronic device. The method includes: acquiring an assembly tolerance region in the display screen, where the assembly tolerance region corresponds to an assembly tolerance of the sensor; lighting up pixels at different positions within the assembly tolerance region sequentially; acquiring multiple pieces of sensing data of the sensor when the pixels at different positions are lit up sequentially, the multiple pieces of sensing data being data obtained after the sensor sequentially receives light signals emitted by the pixels at different positions; and determining a position of the sensor according to the multiple pieces of sensing data.

Method and apparatus for locating sensor under display screen and electronic device

The present application provides an ambient light sensor and an electronic device, which may improve detection accuracy and detection performance of the ambient light sensor. The ambient light sensor includes: a light filtering unit array including a plurality of light filtering units, the plurality of light filtering units including a color light filtering unit, a white light filtering unit and a transparent light filtering unit, the white light filtering unit being configured to pass a visible light signal and block an infrared light signal, and the transparent light filtering unit being configured to pass the visible light signal and the infrared light signal; a pixel unit array including a plurality of pixel units, the plurality of pixel units being configured to receive a light signal after the ambient light passes through the plurality of light filtering units for an ambient light detection.

Ambient light sensor and electronic device wherein a detected signal amount of infrared light in the ambient light is configured to correct a pixel value of a pixel unit corresponding to a color light filtering unit

A fingerprint identification apparatus and an electronic device applicable to an electronic device having a display screen, including: an optical function layer, disposed between the display screen and a middle frame of the electronic device, wherein the optical function layer includes a quarter-wave plate and a polarizer, and the polarizer is disposed under the quarter-wave plate; and an optical fingerprint module, disposed under the optical function layer, and configured to receive a fingerprint optical signal transmitted through the quarter-wave plate and the polarizer, wherein the fingerprint detecting signal is used for detecting fingerprint information of a finger.

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Shenzhen, China

Songjin Zhong