光学指纹识别装置和电子设备

文档序号:1850874 发布日期:2021-11-16 浏览:1次 >En<

阅读说明:本技术 光学指纹识别装置和电子设备 (Optical fingerprint identification device and electronic equipment ) 是由 吴宝全 张思超 龙卫 于 2019-08-14 设计创作,主要内容包括:一种光学指纹识别装置(20)和电子设备(10),能够提升光学指纹识别装置(20)的性能。该光学指纹识别装置(20)包括:光检测阵列(400);滤波层(500),设置于所述光检测阵列(400)上方,用于滤掉非目标波段的光信号,透过目标波段的光信号,且所述滤波层(500)与所述光检测阵列(400)一起集成在光电传感器芯片中;第一阻光层(300),形成于所述滤波层(500)上方,其中,所述第一阻光层(300)设置有多个通光小孔(310);第一微透镜阵列(200),设置于所述第一阻光层(300)上方;其中,所述第一微透镜阵列(200)用于将光信号汇聚至所述第一阻光层(300)的多个通光小孔(310),所述光信号通过所述第一阻光层(300)的多个通光小孔(310)传输至所述光检测阵列(400)。(An optical fingerprint recognition device (20) and an electronic apparatus (10) are provided, which can improve the performance of the optical fingerprint recognition device (20). The optical fingerprint recognition device (20) comprises: a light detection array (400); the filtering layer (500) is arranged above the light detection array (400) and is used for filtering optical signals in a non-target waveband and transmitting the optical signals in a target waveband, and the filtering layer (500) and the light detection array (400) are integrated in the photoelectric sensor chip; a first light blocking layer (300) formed over the filter layer (500), wherein the first light blocking layer (300) is provided with a plurality of light passing apertures (310); a first microlens array (200) disposed over the first light blocking layer (300); wherein the first microlens array (200) is configured to focus an optical signal to the plurality of light passing apertures (310) of the first light blocking layer (300), the optical signal being transmitted to the light detection array (400) through the plurality of light passing apertures (310) of the first light blocking layer (300).)

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