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    • 2. 发明申请
    • SEMICONDUCTOR INTEGRATED CIRCUIT FOR OPTICAL SENSOR
    • 光电传感器半导体集成电路
    • US20150036126A1
    • 2015-02-05
    • US14331308
    • 2014-07-15
    • Yuya KAWASAKIMarkus OBERASCHER
    • Yuya KAWASAKIMarkus OBERASCHER
    • G01J1/42G01J1/44G01J3/36
    • G01J1/4228G01J1/0492G01J1/32G01J1/44G01J3/36G01J2001/444
    • There is provided a semiconductor integrated circuit for an optical sensor for receiving environmental light through a cover member that attenuates visible light and transmits infrared light and a collecting lens, performing luminosity factor correction based on an amount of received light, and detecting an illuminance, wherein the semiconductor integrated circuit includes a first light receiving element having a first spectral property; a second light receiving element having a second spectral property; and a luminosity factor correction unit configured to perform the luminosity factor correction according to output of the first light receiving element and output of the second light receiving element, wherein the luminosity factor correction unit includes an AD conversion unit performed by time division on the output of the first light receiving element and the output of the second light receiving element, and a calculating unit subtracting digital signals obtained by the conversion.
    • 提供了一种用于光学传感器的半导体集成电路,用于通过衰减可见光并透射红外光的聚光透镜,基于接收光量进行亮度因子校正并检测照度来接收环境光,其中 半导体集成电路包括具有第一光谱特性的第一光接收元件; 具有第二光谱特性的第二光接收元件; 以及亮度因子校正单元,被配置为根据第一光接收元件的输出和第二光接收元件的输出来执行亮度因子校正,其中亮度因子校正单元包括通过时间分割执行的AD转换单元, 第一光接收元件和第二光接收元件的输出,以及计算单元,减去通过转换获得的数字信号。