Sunday, December 25, 2016

TSMC ToF Pixel Patent Application

TSMC patent application US20160358955 "Depth sensing pixel, composite pixel image sensor and method of making the composite pixel image sensor" by Calvin Yi-ping Chao, Kuo-yu Chou, and Chih-min Liu proposes an global shutter pixel with dual storage diodes optimized for ToF imaging:


Then, TSMC proposes different ways to combine the ToF pixel with regular 4T pixels in non-stacked and stacked versions:

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