公开(公告)号：US20180204874A1

公开(公告)日：2018-07-19

申请号：US15696132

申请日：2017-09-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwang-Min LEE ,  GwideokRyan LEE ,  SEOKJIN KWON ,  BEOMSUK LEE ,  TAEYON LEE ,  DONGMO IM

IPC: H01L27/146

CPC classification number: H01L27/14645 ,  H01L27/14605 ,  H01L27/1461 ,  H01L27/14621 ,  H01L27/14623 ,  H01L27/14636 ,  H04N9/045 ,  H04N9/07 ,  H04N2209/042

Abstract: An image sensor having active, peripheral and dummy regions is provided as follows. A dummy through electrode is disposed in the substrate. An active through electrode is disposed in the substrate. An insulation structure in which a color filter is embedded is disposed on the substrate. A dummy bottom electrode is disposed on the insulation structure and connected electrically to the dummy through electrode. An active bottom electrode is disposed on the insulation structure and connected electrically to the active through electrode. A photoelectric conversion layer is disposed on the insulation structure. A top electrode is disposed on the photoelectric conversion layer and the dummy bottom electrode. The top electrode is connected electrically to the dummy bottom electrode. The photoelectric conversion layer is interposed between the top electrode and the active bottom electrode which are separated from each other.

公开(公告)号：US20200260025A1

公开(公告)日：2020-08-13

申请号：US16674202

申请日：2019-11-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： MINWOONG SEO ,  SEUNGSIK KIM ,  JUNGCHAK AHN ,  JAEKYU LEE ,  DONGMO IM ,  DONGSEOK CHO

IPC: H04N5/355

Abstract: A method of driving an image sensor includes integrating an overflowed charge from a photodiode in the floating diffusion area and a dynamic range capacitor. The dynamic range capacitor is formed between the floating diffusion area and a power supply voltage. The method further includes sampling a first voltage formed in the floating diffusion area by the integrated overflowed charge, resetting the photodiode, the floating diffusion area, and the dynamic range capacitor, sampling a reset level of the reset floating diffusion area, transferring a charge accumulated in the photodiode to the floating diffusion area, and sampling a second voltage formed in the floating diffusion area.