ActLight disruptive technology for 3D imaging is based on the Time-of-Flight (ToF) method. With this method, a depth image is obtained by measuring light propagation time. The DPD sensor delivers high optical performance which is very important in applications such as smartphones, where emitted light power is limited, and LIDAR.ActLight ToF Our dedicated ToF method offers advantages in terms of smaller pixel size, lower operating voltage and higher background light immunity.
In current 3D camera sensors, pixel scaling is limited due to complex analog circuits. The DPD's simple digital front-end allows decreasing pixel size below 5 um. Moreover, the DPD and its read-out front-end circuit are implemented on the same substrate in standard low-cost CMOS technology and do not require high voltage for its operation.
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