发明申请
- 专利标题: PIXEL SENSOR
- 专利标题(中): 像素传感器
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申请号: US12397230申请日: 2009-03-03
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公开(公告)号: US20090160986A1公开(公告)日: 2009-06-25
- 发明人: Alireza Moini , Kia Silverbrook , Paul Lapstun , Peter Charles Boyd Henderson , Zhenya Alexander Yourlo , Matthew John Underwood , Nicholas Damon Ridley
- 申请人: Alireza Moini , Kia Silverbrook , Paul Lapstun , Peter Charles Boyd Henderson , Zhenya Alexander Yourlo , Matthew John Underwood , Nicholas Damon Ridley
- 专利权人: Silverbrook Research Pty Ltd
- 当前专利权人: Silverbrook Research Pty Ltd
- 优先权: AU2003900746 20030217
- 主分类号: H04N5/335
- IPC分类号: H04N5/335
摘要:
A photodetecting circuit is disclosed. The photodetecting circuit includes a photodetector for generating a signal in response to incident light, a storage node having first and second node terminals, a transfer transistor, disposed intermediate the first node terminal of the storage node and the photodetector, for electrically connecting the first node terminal and the photodetector upon receiving a transfer signal to a gate of the transfer transistor, allowing charge stored in the storage node to change based on the signal of the photodetector, a reset transistor, disposed intermediate a reset voltage node and the first node terminal of the storage node, for electrically connecting the first node terminal to the reset voltage node upon receiving a reset signal to a gate of the reset transistor, and an output circuit for generating an output signal during a read period of the photodetecting circuit, the output signal being at least partially based on a voltage at the first terminal. The photodetecting circuit is configured to receive the reset signal, receive the transfer signal, and receive a compensation signal at the second terminal of the storage node at least during the read period, the compensation signal increasing the voltage at the first terminal whilst the output circuit generates the output signal, the compensation signal being a logically negated version of the transfer signal.
公开/授权文献
- US07760259B2 Pixel sensor 公开/授权日:2010-07-20
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