Invention Grant
- Patent Title: Imaging element, driving method, and electronic equipment
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Application No.: US16319109Application Date: 2017-07-21
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Publication No.: US11228727B2Publication Date: 2022-01-18
- Inventor: Ryuta Okamoto , Yosuke Ueno , Yasunori Tsukuda
- Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Applicant Address: JP Kanagawa
- Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Current Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Current Assignee Address: JP Kanagawa
- Agency: Chip Law Group
- Priority: JPJP2016-153665 20160804
- International Application: PCT/JP2017/026409 WO 20170721
- International Announcement: WO2018/025658 WO 20180208
- Main IPC: H04N5/3745
- IPC: H04N5/3745 ; H04N5/357 ; H04N5/363

Abstract:
The present disclosure relates to an imaging element, a driving method, and electronic equipment that enable imaging to be performed at higher speed. The imaging element includes a pixel array in which a plurality of pixels are arranged in a matrix shape, an AD converter that performs AD conversion in parallel on pixel signals that have been output from the plurality of pixels for each column of the plurality of pixels arranged in the pixel array, and a reference signal generator that generates a reference signal that the AD converter refers to when the AD converter performs AD conversion on a pixel signal for an identical pixel signal, the reference signal having a waveform that includes a slope having a constant gradient. Then, when the AD converter performs, on the identical pixel signal, multi-sampling for performing sampling during a P-phase period and sampling during a D-phase period at least once or more, the reference signal generator generates a reference signal in which, from among a plurality of slopes during the D-phase period, a sampling period of a second slope has been set to be shorter than a sampling period of a first slope. The present technology is applicable, for example, to a CMOS image sensor including a column-parallel ADC.
Public/Granted literature
- US20210337156A1 IMAGING ELEMENT, DRIVING METHOD, AND ELECTRONIC EQUIPMENT Public/Granted day:2021-10-28
Information query
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