公开(公告)号：US20240230960A1

公开(公告)日：2024-07-11

申请号：US18405938

申请日：2024-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangeun MUN ,  Sungmo AHN ,  Sookyoung ROH ,  Junho LEE ,  Choonlae CHO

IPC: G02B3/00 ,  H04N23/55

CPC classification number: G02B3/0043 ,  H04N23/55 ,  G02B2207/101

Abstract: An image sensor includes a sensor substrate including a plurality of pixels that detect light, and a nano-optical microlens array arranged on the sensor substrate and including a plurality of nano-optical microlenses that focus incident light on the plurality of pixels, wherein the nano-optical microlens array includes a plurality of lens groups, each of the plurality of lens groups includes first, second, third, and fourth nano-optical microlenses, and each of the first, second, third, and fourth nano-optical microlenses includes a plurality of nanostructures arranged to focus incident light on a corresponding pixel, and centers of the first, second, third, and fourth nano-optical microlenses in each of the plurality of peripheral groups in the plurality of lens groups are offset with respect to a center of the corresponding pixel, and offset distances of at least two of the first, second, third, and fourth nano-optical microlenses are different from each other.

公开(公告)号：US20240079429A1

公开(公告)日：2024-03-07

申请号：US18236652

申请日：2023-08-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungmo AHN ,  Sangeun MUN ,  Choonlae CHO ,  Sookyoung ROH ,  Hyunsung PARK ,  Seokho YUN ,  Sangyun LEE ,  Junho LEE

IPC: H01L27/146

CPC classification number: H01L27/14625 ,  H01L27/14605 ,  H01L27/14621

Abstract: An image sensor includes a sensor substrate including a plurality of unit pixel groups each including a first pixel, a second pixel, a third pixel, and a fourth pixel arranged in a Bayer pattern, and a color separating lens array which separates incident light according to wavelengths and condenses the light on each of the first to fourth pixels, wherein the color separating lens array a plurality of pixel corresponding groups respectively corresponding to the plurality of unit pixel groups, and the plurality of pixel corresponding groups each include first to fourth pixel corresponding regions corresponding to the first to fourth pixels and a plurality of nanoposts. From among the plurality of pixel corresponding groups, relative positional relationships between the nanoposts of the first to fourth pixel corresponding regions in each of the plurality of peripheral groups that are located out of the center of the color separating lens array may be different from each other.

公开(公告)号：US20230352506A1

公开(公告)日：2023-11-02

申请号：US18142219

申请日：2023-05-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

Inventor： Sungmo AHN ,  Sangeun Mun ,  Shanhui Fan ,  Peter Bert Catrysse ,  Hongkyu Park ,  Minwoo Lim ,  Choonlae Cho

IPC: H01L27/146 ,  H04N25/10

CPC classification number: H01L27/14627 ,  H04N25/10 ,  H01L27/14645

Abstract: The present disclosure provides meta-optical elements and image sensors using a meta-pattern and apparatuses including the image sensors. In an embodiment, an image sensor includes a plurality of pixels. Each pixel of the plurality of pixels includes a photoelectric conversion layer including at least one photoelectric conversion element, and a color routing meta-structure layer provided at a position facing the photoelectric conversion layer. The color routing meta-structure layer includes a meta-structure having a symmetrical structure with respect to a center of a corresponding pixel, and a multi-layer structure having a refractive index that varies in a direction perpendicular to a light-incident surface.

公开(公告)号：US20230044798A1

公开(公告)日：2023-02-09

申请号：US17882108

申请日：2022-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungmo AHN ,  Sookyoung ROH ,  Sangyun LEE ,  Sangeun MUN ,  Seokho YUN

IPC: H01L27/146

Abstract: Provided is an image sensor including a color separating lens array and an electronic device including the color sensor. The image sensor includes a sensor substrate including a plurality of first pixels and a plurality of second pixels and having a two-dimensional array of unit pixels including the first pixel and the second pixel; and a color separating lens array configured to concentrate light of a first wavelength on each of the first pixels, and concentrate light of a second wavelength on each of the second pixels, wherein at least one pixel of the unit pixel includes a plurality of light sensing cells for independently sensing light by being electrically separated by a deep trench isolation (DTI) structure, and the color separating lens array includes a nanopost array, which does not include a nanopost provided on the DTI structure.