Abstract: Provided is an image sensor including a metasurface having a light resonance function. The image sensor includes a photoelectric conversion layer, an interlayer material layer on the photoelectric conversion layer, and a single meta pattern layer on the interlayer material layer, wherein the meta pattern layer includes a metasurface, the metasurface having a same phase profile as that of a lens, and the meta pattern layer has a height that causes a resonance at a given wavelength of incident light to block transmission of the given wavelength through the meta pattern layer.

Abstract: An optical sensor including a planar nano-photonic microlens array and an electronic apparatus including the same are provided. The optical sensor may include: a sensor substrate including a plurality of photosensitive cells for sensing light; a filter layer provided on the sensor substrate; and a planar nano-photonic microlens array provided on the filter layer, and including a plurality of planar nano-photonic microlenses, wherein the plurality of planar nano-photonic microlenses are two-dimensionally arranged in a first direction and a second direction that is perpendicular to the first direction, and each of the planar nano-photonic microlenses include nano-structures arranged such that the light transmitting through each of the planar nano-photonic microlenses has a phase profile in which a phase change curve is convex in the first direction and the second direction.

Abstract: An electronic device according to various embodiments disclosed herein may include a lens assembly having a structure in which at least one meta-lens and a spacer member are stacked, and an image sensor assembly attached to one side of the lens assembly to receive light passing through the lens assembly and convert the light into an optical signal. The spacer member may be fixed to one side of the lens assembly between the image sensor assembly and the lens assembly such that a cavity is defined by an inner side surface of the spacer member, a bottom surface of the lens assembly, and a top surface of the image sensor assembly.

Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.

Abstract: A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.

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: Provided is a meta optical device including a plurality of phase modulation regions respectively including a plurality of nanostructures that have shapes and arrangement based on a preset rule, the plurality of phase modulation regions being configured to modulate a phase of incident light of a preset wavelength band, wherein at least two phase modulation regions of the plurality of phase modulation regions have phase modulation ranges in a first direction that are same, and wherein the plurality of nanostructures included in the at least two phase modulation regions have width ranges in the first direction that are different from each other.