US 12,066,696 B2
Meta-optical device and electronic apparatus including the same
Hyeonsoo Park, Seoul (KR); Hyunsung Park, Suwon-si (KR); and Seunghoon Han, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 12, 2021, as Appl. No. 17/400,840.
Claims priority of application No. 10-2021-0004239 (KR), filed on Jan. 12, 2021.
Prior Publication US 2022/0221741 A1, Jul. 14, 2022
Int. Cl. G02F 1/01 (2006.01); G02B 1/00 (2006.01); G02F 1/00 (2006.01)
CPC G02F 1/0121 (2013.01) [G02B 1/002 (2013.01); G02F 1/0018 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A meta-optical device which exhibits a target phase delay profile with respect to incident light in a predetermined wavelength band, the meta-optical device comprising:
a first layer including a plurality of first nanostructures and a first surrounding material surrounding the plurality of first nanostructures, the first layer having a first phase delay profile of a first tendency that is substantially equal to a tendency of the target phase delay profile;
a second layer provided adjacent to the first layer and including a plurality of second nanostructures and a second surrounding material surrounding the plurality of second nanostructures, the second layer having a second phase delay profile of a second tendency that is substantially opposite to the tendency of the target phase delay profile; and
a third layer provided adjacent to the second layer and including a plurality of third nanostructures and a third surrounding material surrounding the plurality of third nanostructures, the third layer having a third phase delay profile different from the second phase delay profile, wherein the third layer includes a third material that is different than a second material of the second layer, or includes a third arrangement rule that is different than a second arrangement rule of the second layer.