	US 11,892,130 B2
	Light-emitting apparatus using metasurfaces and light-emitting method thereof
Hamid Pahlevaninezhad, Calgary (CA); Aria Moaven, Calgary (CA); Majid Pahlevaninezhad, Calgary (CA); and Sam Scherwitz, Heritage Pointe (CA)
Assigned to 10644137 CANADA INC., Heritage Pointe (CA)
Appl. No. 17/620,659
Filed by 10644137 Canada Inc., Heritage Pointe (CA)
PCT Filed Jun. 18, 2020, PCT No. PCT/CA2020/050849 § 371(c)(1), (2) Date Dec. 17, 2021, PCT Pub. No. WO2020/252585, PCT Pub. Date Dec. 24, 2020.
Claims priority of provisional application 62/961,317, filed on Jan. 15, 2020.
Claims priority of provisional application 62/862,853, filed on Jun. 18, 2019.
Prior Publication US 2022/0243876 A1, Aug. 4, 2022
Int. Cl. F21K 9/68 (2016.01); F21K 9/65 (2016.01); H04N 13/337 (2018.01); F21V 7/00 (2006.01); F21V 7/06 (2006.01); F21V 9/14 (2006.01); G02B 1/00 (2006.01); F21V 5/00 (2018.01); F21Y 105/16 (2016.01); F21Y 115/10 (2016.01); A01G 9/24 (2006.01)

CPC F21K 9/68 (2016.08) [F21K 9/65 (2016.08); F21V 5/002 (2013.01); F21V 7/0083 (2013.01); F21V 7/06 (2013.01); F21V 9/14 (2013.01); G02B 1/002 (2013.01); H04N 13/337 (2018.05); A01G 9/249 (2019.05); F21Y 2105/16 (2016.08); F21Y 2115/10 (2016.08)]

9 Claims

1. A light-emitting apparatus comprising:

a light-emitting layer for emitting light; and

an optical-transformation layer coupled to the light-emitting layer, the optical-transformation layer comprising one or more optical-transformation units, each optical-transformation unit comprising a metasurface for adjusting one or more parameters of the light emitted from the light-emitting layer,

wherein the light-emitting layer comprises one or more light-emitting units;

wherein the optical-transformation layer comprises a housing comprising one or more receptacles for receiving the one or more metasurfaces; and

wherein the one or more receptacles are at locations corresponding to those of the one or more light-emitting units for aligning the one or more metasurfaces with the one or more light-emitting units.