Image sensor including color separating lens array and electronic apparatus including the image sensor
AssigneeSamsung Electronics Co., Ltd.
InventorsSeaum Kim, Hongkyu Park, Seokho Yun
Life of this patent
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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.
Claims19
An image sensor comprising:
- a sensor substrate including a first pixel and a second pixel;
- a spacer layer that is transparent and provided on the sensor substrate;
- and
- a color separating lens array provided on the spacer layer, the color separating lens array including a plurality of first nanoposts configured to separate light of a first wavelength and light of a second wavelength that is different from the first wavelength, among light incident on the color separating lens array, condense the separated light of the first wavelength on the first pixel, and condense the separated light of the second wavelength on the second pixel,
- wherein the color separating lens array further comprises a plurality of first etch prevention patterns provided respectively under the plurality of first nanoposts.
An electronic apparatus comprising:
- an image sensor configured to convert an optical image into an electrical signal;
- a processor configured to control operations of the image sensor and to store and output a signal generated by the image sensor;
- and
- a lens assembly configured to provide light from an object to the image sensor,
- wherein the image sensor comprises:
- a sensor substrate including a first pixel and a second pixel;
- a spacer layer that is transparent and provided on the sensor substrate;
- and
- a color separating lens array provided on the spacer layer, the color separating lens array including a plurality of first nanoposts configured to separate light of a first wavelength and light of a second wavelength that is different from the first wavelength, among light incident on the color separating lens array, condense the separated light of the first wavelength on the first pixel, and condense the separated light of the second wavelength on the second pixel,
- wherein the color separating lens array further comprises a plurality of first etch prevention patterns provided respectively under the plurality of first nanoposts.
Dependencies are inferred from the claim text.