The king of domestic 1-inch outsole! OV50X first exposed
News on February 19th, blogger Digital Chat Station broke the news that Haowei’s new generation sensor OV50X is on the road. It uses 22nm technology and has a 1-inch super large bottom. It is currently the best-performing domestic sensor and is called " 1 inch mirror king".
It is reported that OV50X uses LOFIC technology, the full name is "Lateral Overflow Integration Capacitor", and the Chinese name is "Lateral Overflow Collection Capacitor".
LOFIC is a technical path that improves the dynamic range of the sensor by changing the circuit structure of the pixels.
Compared with ordinary sensors, a trench capacitor is added to the pixel with LOFIC. When the charge exceeds the maximum capacity that the pixel can originally carry (maximum well capacity), the excess charge will flow to the capacitor. , overexposure is avoided, and highlights can be clearly displayed in the image.
LOFIC technology requires the integration of capacitors with large surface areas and deep trenches around the photodiodes. The circuit structure within the pixel is complex, making it difficult and costly to implement in mobile phones with relatively limited space.
The above is the detailed content of The king of domestic 1-inch outsole! OV50X first exposed. For more information, please follow other related articles on the PHP Chinese website!

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