发明授权
US08797434B2 CMOS image sensor having wide dynamic range and sensing method thereof
有权
具有宽动态范围的CMOS图像传感器及其感测方法
- 专利标题： CMOS image sensor having wide dynamic range and sensing method thereof
- 专利标题（中）： 具有宽动态范围的CMOS图像传感器及其感测方法
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申请号： US13138630申请日： 2010-03-10
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公开(公告)号： US08797434B2公开(公告)日： 2014-08-05
- 发明人: Jawoong Lee , Jun hee Cho , Jong Beom Choi
- 申请人： Jawoong Lee , Jun hee Cho , Jong Beom Choi
- 申请人地址： KR Hanam-si Gyeonggi-do
- 专利权人： Zeeann Co., Ltd
- 当前专利权人： Zeeann Co., Ltd
- 当前专利权人地址： KR Hanam-si Gyeonggi-do
- 代理机构： Marshall & Melhorn, LLC
- 优先权： KR10-2009-0022227 20090316
- 国际申请： PCT/KR2010/001494 WO 20100310
- 国际公布： WO2010/107200 WO 20100923
- 主分类号： H04N3/14
- IPC分类号： H04N3/14 ; H04N5/335 ; H01L27/146 ; H04N5/355
摘要：
Disclosed are a CMOS image sensor having a wide dynamic range and a sensing method thereof. Each unit pixel of the CMOS image sensor of the present invention includes multiple processing units, so that one shuttering section for the image generation of one image frame can be divided into multiple sections to separately shutter and sample the divided sections by each processing unit. Thus, the image sensor of the present invention enables many shuttering actions to be performed in the multiple processing units, respectively, and the multiple processing units to separately sample each floating diffusion voltage caused by the shuttering actions, thereby realizing a wide dynamic range.
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