Invention Grant
- Patent Title: CMOS image sensor and image signal detecting method
- Patent Title (中): CMOS图像传感器和图像信号检测方法
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Application No.: US12828478Application Date: 2010-07-01
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Publication No.: US08432471B2Publication Date: 2013-04-30
- Inventor: Seung hyun Lim , Jeong hwan Lee , Kun hee Cho , Gun Hee Han , Kwi Sung Yoo , Seog heon Ham
- Applicant: Seung hyun Lim , Jeong hwan Lee , Kun hee Cho , Gun Hee Han , Kwi Sung Yoo , Seog heon Ham
- Applicant Address: KR Suwon-si, Gyeonggi-do
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si, Gyeonggi-do
- Agency: Volentine & Whitt, PLLC
- Priority: KR10-2009-0078192 20090824
- Main IPC: H04N3/14
- IPC: H04N3/14
Abstract:
A CMOS image sensor includes a photodiode, a switch configured to transfer a signal sensed by the photodiode to a sensing node, and a comparator electrically and directly connected to the sensing node and configured to compare the sensed signal of the sensing node and a ramp signal. Reset offset of the comparator is maintained at a constant offset voltage level during an initialization mode.
Public/Granted literature
- US20110043676A1 CMOS IMAGE SENSOR AND IMAGE SIGNAL DETECTING METHOD Public/Granted day:2011-02-24
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