Shenzhen Violet Intelligent Communication Co., Ltd.

Honor Device Co., Ltd.

Huawei Technologies Co., Limited

Shenzhen Goodix Technology Co., Ltd.

Yin Wang

Qian Wang

Yang Zhang

Liang Yang

Jun Xiang

Xiaoyuan Wang

Zhiqiang Jiang

Lei Gao

Sichao Zhang

Yanbo Li

Baishun Zhang

Fei Hsin Tsai

Junxian Lin

Embodiments of the present disclosure provide an apparatus for identifying a fingerprint and an electronic device. The apparatus includes a plurality of fingerprint identification units distributed in an array, and each of the fingerprint identification units includes: a microlens, at least two light blocking layers, and a plurality of pixel units. Light-passing apertures in the at least two light blocking layers form a plurality of light guiding channels corresponding to the plurality of pixel units. The plurality of light guiding channels include a first light guiding channel and a second light guiding channel, an angle between a direction of the first light guiding channel and a first direction is a first angle, and an angle between a direction of the second light guiding channel and the first direction is a second angle, where the first angle is different from the second angle. The apparatus can have high fingerprint identification performance.

Apparatus for identifying fingerprint, and electronic device

Mobile phone

A fingerprint identification apparatus and an electronic device are provided, which can improve the fingerprint imaging quality while achieving the lightness and thinness of the fingerprint identification apparatus. The fingerprint identification apparatus is applicable to be under a display screen, including a plurality of fingerprint identification units arranged in an array, where each fingerprint identification unit includes: a micro-lens; at least one light shielding layer, where each light shielding layer is provided with a light passing hole, a bottom light shielding layer is provided with N light passing hole, and a largest aperture Dof each light passing hole and a largest aperture CA of the micro-lens satisfy 0.02D/CA0.4, to form N light guiding passages in different directions; N pixel units, disposed under the at least one light shielding layer, and disposed in one-to-one correspondence with bottoms of N light guiding passages.

Fingerprint identification apparatus and electronic device

Massager

Embodiments of the present application provide an optical signal generation device. The device includes a laser, a first modulator, a second modulator, a first adjustment module, and a beam combiner. The laser is configured to: output a first optical signal to the first modulator, and output a second optical signal to the second modulator. The two modulators are separately configured to: receive an optical signal and a loaded electrical modulation signal, and modulate the optical signal based on the electrical modulation signal, to obtain a first modulated optical signal and a second modulated optical signal. The first adjustment module is further configured to adjust a phase of the modulated optical signal or an optical path to the beam combiner. The beam combiner is configured to: combine the first modulated optical signal obtained after the adjustment and the second modulated optical signal, and output a combined signal.

Optical signal generation device and method and chip

Embodiments of the present invention provide an optical signal modulation apparatus and system. The optical signal modulation apparatus includes: a laser, where each of at least one first output end and at least one second output end of the laser is connected to an electro-absorption modulator (EAM), the laser is configured to generate at least two optical signals, where at least one of the optical signals is sent to at least one EAM by using the at least one first output end, and at least one of the optical signals is sent to at least one EAM by using the at least one second output end, and each EAM is configured to modulate a received electrical signal onto the received optical signal for outputting. The apparatus has a simple structure and less complex production.

Optical signal modulation apparatus and system

Embodiments of the present disclosure disclose a coherent receiver, including: a frequency offset estimation unit and a frequency offset compensation unit, where the frequency offset estimation unit is configured to receive signal light and local oscillator light, where the signal light is received by a first photoelectric detector, and a first intensity value is obtained, the signal light is received by a second photoelectric detector, and a second intensity value is obtained, the local oscillator light is received by a third photoelectric detector, and a third intensity value is obtained, and the local oscillator light is received by a fourth photoelectric detector, and a fourth intensity value is obtained; and the frequency offset compensation unit is configured to obtain a frequency offset value between the signal light and the local oscillator light according to a difference between a first ratio and a second ratio.

Coherent receiver, method, and system for coherent light source frequency offset estimation and compensation

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Shenzhen, China

Yin Wang