US 11,758,305 B2
Comparator, ad converter, solid-state imaging device, electronic apparatus, and method of controlling comparator
Masaki Sakakibara, Kanagawa (JP); Kenichi Aoyagi, Kanagawa (JP); and Seiji Yamada, Kanagawa (JP)
Assigned to SONY GROUP CORPORATION, Tokyo (JP)
Filed by SONY CORPORATION, Tokyo (JP)
Filed on Jun. 13, 2022, as Appl. No. 17/838,925.
Application 17/838,925 is a continuation of application No. 16/999,557, filed on Aug. 21, 2020, granted, now 11,394,912.
Application 16/999,557 is a continuation of application No. 16/438,219, filed on Jun. 11, 2019, granted, now 10,944,932, issued on Mar. 9, 2021.
Application 16/438,219 is a continuation of application No. 15/961,584, filed on Apr. 24, 2018, granted, now 10,348,992, issued on Jul. 9, 2019.
Application 15/961,584 is a continuation of application No. 14/916,652, granted, now 10,021,331, issued on Jul. 10, 2018, previously published as PCT/JP2015/068962, filed on Jul. 1, 2015.
Claims priority of application No. 2014-144389 (JP), filed on Jul. 14, 2014.
Prior Publication US 2022/0329748 A1, Oct. 13, 2022
Int. Cl. H04N 25/77 (2023.01); H01L 27/146 (2006.01); H03K 5/24 (2006.01); H04N 25/75 (2023.01); H04N 25/79 (2023.01); H04N 25/772 (2023.01)
CPC H04N 25/77 (2023.01) [H01L 27/1461 (2013.01); H01L 27/1464 (2013.01); H01L 27/14612 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01); H01L 27/14634 (2013.01); H01L 27/14636 (2013.01); H01L 27/14645 (2013.01); H03K 5/24 (2013.01); H03K 5/2481 (2013.01); H04N 25/75 (2023.01); H04N 25/772 (2023.01); H04N 25/79 (2023.01)] 28 Claims
OG exemplary drawing
 
1. A light detecting device, comprising:
a first substrate that includes:
a plurality pixels coupled to a floating diffusion; and
a first part of a differential amplification circuit shared by the plurality pixels; and
a second substrate laminated to the first substrate, wherein the second substrate includes:
a second part of the differential amplification circuit coupled to the first part of the differential amplification circuit;
a feedback circuit coupled to the second part of the differential amplification circuit; and
a data storage unit coupled to the feedback circuit.