US 11,749,703 B2
Solid-state image pickup element, method of manufacturing solid-state image pickup element, and electronic apparatus
Shinichiro Noudo, Kumamoto (JP)
Assigned to SONY GROUP CORPORATION, Tokyo (JP)
Filed by SONY GROUP CORPORATION, Tokyo (JP)
Filed on Jun. 15, 2021, as Appl. No. 17/347,908.
Application 17/347,908 is a continuation of application No. 16/941,105, filed on Jul. 28, 2020, granted, now 11,088,195.
Application 16/941,105 is a continuation of application No. 16/342,314, granted, now 10,840,289, issued on Nov. 17, 2020, previously published as PCT/JP2017/026643, filed on Jul. 24, 2017.
Claims priority of application No. 2016-211195 (JP), filed on Oct. 28, 2016.
Prior Publication US 2021/0313382 A1, Oct. 7, 2021
Int. Cl. H01L 27/146 (2006.01); H01L 21/76 (2006.01); H01L 31/10 (2006.01); H04N 25/70 (2023.01)
CPC H01L 27/14645 (2013.01) [H01L 21/76 (2013.01); H01L 27/146 (2013.01); H01L 27/1463 (2013.01); H01L 27/14605 (2013.01); H01L 27/14683 (2013.01); H01L 27/14689 (2013.01); H01L 31/10 (2013.01); H04N 25/70 (2023.01); H01L 27/14621 (2013.01); H01L 27/14623 (2013.01); H01L 27/14627 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A light detecting device, comprising:
first, second, third, and fourth pixels disposed adjacent to each other in a plan view, and
the first, second, third, and fourth pixels including first, second, third, and fourth photoelectric conversion regions,
wherein the first photoelectric conversion region is divided completely into two portions in the plan view, first and second portions, by a first separation region,
wherein the second photoelectric conversion region is divided completely into two portions in the plan view, third and fourth portions, by a second separation region,
wherein the third photoelectric conversion region is divided completely into two portions in the plan view, fifth and sixth portions, by a third separation region,
wherein the fourth photoelectric conversion region is divided completely into four portions in the plan view, seventh, eighth, ninth, and tenth portions, by a fourth separation region,
wherein the fourth separation region is a cross shape in the plan view,
wherein the first, second, third, and fourth pixels are disposed in a 2×2 array, and
wherein each of the first, second, third and fourth separation regions extends from a first surface of each of corresponding first through tenth portions of the first through fourth photoelectric conversion regions to a second surface of each of the corresponding first through tenth portions of the first through fourth photoelectric conversion regions without extending beyond the first surface and the second surface of the corresponding first through tenth portions of the first through fourth photoelectric conversion regions in a cross-sectional view.