Title:
IMAGING DEVICE AND CHARGE PUMP CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2023/248633
Kind Code:
A1
Abstract:
[Problem] To provide an imaging device which can be reduced in size. [Solution] An imaging device according to the present disclosure comprises a light receiving element, a pixel transistor, and a charge pump circuit. The charge pump circuit has a pulse generation circuit which generates a first pulse signal, a pulse transmission circuit which generates a second pulse signal obtained by changing the voltage range of the first pulse signal, and a switching circuit which outputs, as drive voltage, negative voltage, or positive voltage higher than power supply voltage by a switching operation based on the second pulse signal. The pulse transmission circuit includes a pulse input terminal to which the first pulse signal is inputted, a pulse output terminal which outputs the second pulse signal, a first inverter element which is connected to the pulse input terminal, a capacitive element one end of which is connected to the output side of the first inverter element and the other end of which is connected to the pulse output terminal, and a first switching element which is connected to the other end of the capacitive element.
Inventors:
MIYAZAKO TAMON (JP)
Application Number:
PCT/JP2023/017450
Publication Date:
December 28, 2023
Filing Date:
May 09, 2023
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H04N25/70; H04N25/779
Domestic Patent References:
| WO2021200096A1 | 2021-10-07 |
Foreign References:
| JP2018207486A | 2018-12-27 | |||
| JP2006319684A | 2006-11-24 |
Attorney, Agent or Firm:
MIYAJIMA Manabu (JP)
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