Invention Grant
US08228410B2 Image sensors including a shielded photosensitive portion for noise cancellation and associated methods
有权
图像传感器包括用于噪声消除的屏蔽感光部分和相关方法
- Patent Title: Image sensors including a shielded photosensitive portion for noise cancellation and associated methods
- Patent Title (中): 图像传感器包括用于噪声消除的屏蔽感光部分和相关方法
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Application No.: US12046806Application Date: 2008-03-12
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Publication No.: US08228410B2Publication Date: 2012-07-24
- Inventor: Jeff Raynor , Mitchell Perley O'Neal
- Applicant: Jeff Raynor , Mitchell Perley O'Neal
- Applicant Address: GB Marlow-Buckinghamshire
- Assignee: STMicroelectronics (Research & Development) Limited
- Current Assignee: STMicroelectronics (Research & Development) Limited
- Current Assignee Address: GB Marlow-Buckinghamshire
- Agency: Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
- Priority: EP07270014 20070316
- Main IPC: H04N9/64
- IPC: H04N9/64 ; H04N3/14 ; H04N5/335
Abstract:
A pixel structure includes two different photosensitive portions. One portion is shielded from incident light and the signals from both are fed into an op amp so that the differential signal is output as the pixel output, thereby cancelling dark current.
Public/Granted literature
- US20080225140A1 IMAGE SENSORS Public/Granted day:2008-09-18
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