Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

Abstract: An optical hybrid lens includes a refractive lens having a curved lens surface, a metalens including at least one metasurface formed on the curved lens surface to follow the curved lens surface of the refractive lens and including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light, and an adhesive layer between the curved lens surface of the refractive lens and the metalens. The metalens includes at least one metasurface including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light.

Abstract: An image sensor includes: a sensor substrate including a plurality of first pixels and a plurality of second pixels; a spacer layer on the sensor substrate; and a color separating lens array on the spacer layer and changing condensing light of a first wavelength on each of the first pixels and condensing light of a second wavelength on each of the second pixels. The color separating lens array includes a first color separating lens array layer including a plurality of first nanoposts, a first dielectric material layer arranged among the plurality of first nanoposts, and a plurality of first etch prevention patterns arranged respectively under the plurality of first nanoposts.

Abstract: An optical hybrid lens includes a refractive lens having a curved lens surface, a metalens including at least one metasurface formed on the curved lens surface to follow the curved lens surface of the refractive lens and including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light, and an adhesive layer between the curved lens surface of the refractive lens and the metalens. The metalens includes at least one metasurface including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light.

Abstract: An image sensor includes: a sensor substrate including a plurality of first pixels and a plurality of second pixels; a spacer layer on the sensor substrate; and a color separating lens array on the spacer layer and changing condensing light of a first wavelength on each of the first pixels and condensing light of a second wavelength on each of the second pixels. The color separating lens array includes a first color separating lens array layer including a plurality of first nanoposts, a first dielectric material layer arranged among the plurality of first nanoposts, and a plurality of first etch prevention patterns arranged respectively under the plurality of first nanoposts.

Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

Abstract: An image sensor includes: a sensor substrate including a plurality of first pixels and a plurality of second pixels; a spacer layer on the sensor substrate; and a color separating lens array on the spacer layer and changing condensing light of a first wavelength on each of the first pixels and condensing light of a second wavelength on each of the second pixels. The color separating lens array includes a first color separating lens array layer including a plurality of first nanoposts, a first dielectric material layer arranged among the plurality of first nanoposts, and a plurality of first etch prevention patterns arranged respectively under the plurality of first nanoposts.

Abstract: An image sensor includes: a sensor substrate including a plurality of light sensing cells; a spacer layer which is transparent and arranged on an upper side of the sensor substrate; and a color separation lens array arranged on an upper side of the spacer layer. The color separation lens array includes: a first lens layer which includes a first nanopost having a sub-wavelength shape dimension and a first peripheral material provided around the first nanopost; and a first chemical mechanical polishing (CMP) stop layer which is provided on an entire upper surface of the first lens layer except for an upper surface of the first nanopost.

Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

Abstract: An optical hybrid lens includes a refractive lens having a curved lens surface, a metalens including at least one metasurface formed on the curved lens surface to follow the curved lens surface of the refractive lens and including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light, and an adhesive layer between the curved lens surface of the refractive lens and the metalens. The metalens includes at least one metasurface including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light.

Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.