Ultra low voltage CMOS image sensor architecture

US7005626B2 · kind B2 · utility

Assignee

• The Hong Kong University of Science and Technology

Inventors

• Mansun Chan · Hong Kong, CN
• Chen Xu · New Providence, US
• Wing Hung Ki · Kowloon, CN

Key dates

• Filing date: Aug 16, 2002
• Grant date: Feb 28, 2006
• Expiry date: Nov 30, 2022

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F39/026

Abstract

A pixel element for an image sensor comprising, a photodiode and a reset transistor connected to an input node, wherein said reset transistor is a PMOSFET connected between said input node and the supply voltage, and wherein said pixel further comprises parallel complementary signal paths.