Spectral filter and electronic device including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsSuyeon LEE, Sangeun Mun, Hyochul Kim, Sookyoung Roh
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Abstract
A spectral filter includes a first resonance structure and a meta device disposed on the first resonance structure. The meta device includes a plurality of first beam steering regions, in which an incidence angle of an incident light is adjusted differently to be emitted, wherein each first beam steering region of the plurality of first beam steering regions includes a plurality of nanostructures, each nanostructure of the plurality of nanostructures having a shape dimension corresponding to a sub-wavelength of the incident light.
Claims20
A spectral filter comprising:
- a first resonance structure;
- and
- a meta device disposed on the first resonance structure,
- the meta device comprising a plurality of first beam steering regions, in which an incidence angle of an incident light is adjusted differently to be emitted, wherein each first beam steering region of the plurality of first beam steering regions comprises a plurality of nanostructures, each nanostructure of the plurality of nanostructures having a shape dimension corresponding to a sub-wavelength of the incident light.
An image sensor comprising:
- a sensor substrate comprising a plurality of light sensing cells, the plurality of light sensing cells being configured to sense a light;
- and
- a plurality of spectral filters disposed on the sensor substrate,
- wherein each spectral filter of the plurality of spectral filters comprises:
- a first resonance structure;
- and
- a meta device disposed on the first resonance structure and comprising a plurality of first beam steering regions, in which an incidence angle of an incident light is adjusted differently to be emitted, and
- wherein each first beam steering region of the plurality of first beam steering regions comprises a plurality of nanostructures, each nanostructure of the plurality of nanostructures having a shape dimension corresponding to a sub-wavelength of the incident light.
An electronic device comprising:
- a lens assembly;
- and
- an image sensor;
- wherein the image sensor comprises:
- a sensor substrate comprising a plurality of light sensing cells sensing light;
- and
- a plurality of spectral filters disposed on the sensor substrate,
- wherein each spectral filter of the plurality of spectral filters comprises:
- a first resonance structure;
- and
- a meta device disposed on the first resonance structure and comprising a plurality of first beam steering regions, in which an incidence angle of an incident light is adjusted differently to be emitted, and
- wherein each first beam steering region of the plurality of first beam steering regions comprises a plurality of nanostructures, each nanostructure of the plurality of nanostructures having a shape dimension corresponding to a sub-wavelength of the incident light.
Dependencies are inferred from the claim text.