US 11,711,600 B2
Meta-optical device and optical apparatus including the same
Seunghoon Han, Seoul (KR); Hyunsung Park, Suwon-si (KR); Hyeonsoo Park, Seoul (KR); and Bongyong Jang, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Jul. 9, 2020, as Appl. No. 16/924,973.
Claims priority of provisional application 62/871,841, filed on Jul. 9, 2019.
Claims priority of application No. 10-2020-0073244 (KR), filed on Jun. 16, 2020.
Prior Publication US 2021/0014394 A1, Jan. 14, 2021
Int. Cl. H04N 23/55 (2023.01); H01L 27/146 (2006.01); G02B 1/00 (2006.01); G02B 5/28 (2006.01)
CPC H04N 23/55 (2023.01) [G02B 1/002 (2013.01); G02B 5/286 (2013.01); H01L 27/14627 (2013.01); G02B 2207/101 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A meta-optical device comprising:
a meta-lens comprising a plurality of concentric regions and a plurality of nano-structures arranged two-dimensionally in the plurality of concentric regions, each of the plurality of nano-structures having a pillar shape of which cross section is circular, elliptical or polygonal;
a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens;
a spacer layer provided between the meta-lens and the band pass filter, the spacer layer supporting the plurality of nano-structures and providing a separation distance between the meta-lens and the band pass filter; and
a refractive lens having a flat surface and a curved surface,
wherein the plurality of nano-structures are provided the flat surface side of the refractive lens.