US 12,149,842 B2
Image sensor and electronic device
Yutaka Inaoka, Kanagawa (JP); Hongbo Zhu, Tokyo (JP); and Takafumi Takatsuka, Kanagawa (JP)
Assigned to Sony Semiconductor Solutions Corporation, Kanagawa (JP)
Filed by Sony Semiconductor Solutions Corporation, Kanagawa (JP)
Filed on Nov. 22, 2022, as Appl. No. 17/992,227.
Application 17/992,227 is a continuation of application No. 16/964,666, granted, now 11,622,086, previously published as PCT/JP2018/044462, filed on Dec. 4, 2018.
Claims priority of application No. 2018-017019 (JP), filed on Feb. 2, 2018; and application No. 2018-017020 (JP), filed on Feb. 2, 2018.
Prior Publication US 2023/0179880 A1, Jun. 8, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 25/50 (2023.01); H01L 27/146 (2006.01)
CPC H04N 25/50 (2023.01) [H01L 27/14627 (2013.01); H01L 27/14643 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A light detecting sensor comprising:
a photodiode configured to convert incident light into an electric charge;
a resistor configured to lower a potential of the photodiode based on the electric charge;
a photon counter configured to measure illuminance of the incident light based on a frequency of lowering of the potential of the photodiode; and
a power supply controller configured to control a power supply potential based on a comparison between the illuminance and a plurality of thresholds different from one another.