公开(公告)号：US20230246044A1

公开(公告)日：2023-08-03

申请号：US18102489

申请日：2023-01-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokho YUN ,  Sookyoung ROH ,  Sangyun LEE ,  Junho LEE ,  Choonlae CHO ,  Jungho CHA

IPC: H01L27/146

CPC classification number: H01L27/14621 ,  H01L27/14645 ,  H01L27/1463

Abstract: An image sensor includes a sensor substrate including a plurality of light sensing cells configured to sense light, and a color filter array provided on the sensor substrate. The color filter includes a plurality of filters provided to respectively face the plurality of light sensing cells to filter light of different wavelengths and a fence structure configured to separate the plurality of filters from each other. A width of the fence structure may have a plurality of different values according to types of two filters provided adjacent to each other with the width interposed therebetween. Crosstalk between adjacent cells may be reduced by the image sensor.

公开(公告)号：US20230230191A1

公开(公告)日：2023-07-20

申请号：US18124387

申请日：2023-03-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu PARK ,  Sookyoung ROH ,  Seokho YUN

IPC: G06T1/00 ,  G06T7/44 ,  G06T1/20

CPC classification number: G06T1/0007 ,  G06T7/44 ,  G06T1/20 ,  G06T2207/10024

Abstract: Provided is an apparatus for acquiring images including an image sensor including a sensor substrate including a plurality of photo-sensing cells sensing light, and a color separation lens array provided above the sensor substrate, the color separation lens array including a fine structure in each of a plurality of regions respectively facing the plurality of photo-sensing cells and separating incident light based on color, the fine structure forming a phase distribution to condense light having different wavelengths on adjacent photo-sensing cells, a signal processor configured to perform, based on a point spread function corresponding to each color pixel by the color separation lens array, deconvolution on sensing signals of the plurality of photo-sensing cells to process an image signal for each color obtained by the image sensor, and an image processor configured to form a color image from the image signal for each color processed by the signal processor.

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.

公开(公告)号：US20220150453A1

公开(公告)日：2022-05-12

申请号：US17518181

申请日：2021-11-03

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Sangyun LEE ,  Moongi KANG ,  Seokho YUN ,  Jonghyun KIM ,  Kyeonghoon JEONG

IPC: H04N9/077 ,  G02B27/10 ,  H04N9/04 ,  H04N9/64 ,  H04N9/73

Abstract: An apparatus for acquiring images includes an image sensor and a signal processor. The image sensor may include a sensor substrate and a color separation lens array, wherein the sensor substrate includes a plurality of photo-sensing cells, and the color separation lens array may separate an incident light into a plurality of lights having different wavelengths and forms a phase distribution for condensing the plurality of lights having the different wavelengths on adjacent photo-sensing cells of the plurality of photo-sensing cells. The signal processor may perform deconvolution on sensing signals of the plurality of photo-sensing cells to obtain a sub-sampled image, perform demosaicing to restore a full resolution image having a full resolution from the sub-sampled image, and correct a color of the full resolution image using a point spread function (PSF) of the color separation lens array.

公开(公告)号：US20220141427A1

公开(公告)日：2022-05-05

申请号：US17514634

申请日：2021-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sookyoung ROH ,  Seokho YUN

IPC: H04N9/04 ,  H04N5/33 ,  H04N9/077 ,  G02B27/12 ,  G02B27/10

Abstract: Provided is an image sensor including a sensor substrate including a plurality of first pixels configured to sense first wavelength light in an infrared ray band and a plurality of second pixels configured to sense second wavelength light in a visible light band, and a color separating lens array disposed on the sensor substrate and configured to change a phase of the first wavelength light incident on the color separating lens array such that the first wavelength light is condensed to the plurality of first pixels, wherein the color separating lens array includes a plurality of light condensing regions configured to condense the first wavelength light respectively on the plurality of first pixels, and wherein an area of each of the plurality of light condensing regions is larger than an area of each of the plurality of first pixels.

公开(公告)号：US20220139994A1

公开(公告)日：2022-05-05

申请号：US17514663

申请日：2021-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangyun LEE ,  Sookyoung ROH ,  Seokho YUN

IPC: H01L27/146

Abstract: An image sensor includes: a sensor substrate including a first pixel and a second pixel; and a color separating lens array for condensing light of first wavelength onto the first pixel by changing a phase of light of the first wavelength included in incident light, wherein the sensor substrate further includes: an active pixel area for outputting an active pixel signal for image generation; a first dummy pixel area arranged outside the active pixel area and outputting a dummy pixel signal to correct image data generated from the active pixel signal; and a second dummy pixel area arranged outside the active pixel area and the first dummy pixel area and not outputting any pixel signal.

公开(公告)号：US20220137424A1

公开(公告)日：2022-05-05

申请号：US17515017

申请日：2021-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangyun LEE ,  Sookyoung ROH ,  Seokho YUN

IPC: G02B27/10 ,  G02B27/12 ,  H01L27/146 ,  H04N9/077 ,  H04N9/04

Abstract: Provided is an image sensor including a sensor substrate including a first photosensitive cell and a second photosensitive cell which are configured to sense light incident on the sensor substrate, a color separating lens array configured to change a phase of first wavelength light and a phase of second wavelength light such that the first wavelength light travels to the first photosensitive cell and the second wavelength light travels to the second photosensitive cell, and a spectrum shaping layer including a plurality of nanostructures respectively having a first refractive index, and a dielectric material provided between the plurality of nanostructures and having a second refractive index, the spectrum shaping layer being provided between the sensor substrate and the color separating lens array and configured to shape a spectral profile of the light incident on the sensor substrate by reflecting and/or absorbing portion of light passing through the color separating lens array.

公开(公告)号：US20220137267A1

公开(公告)日：2022-05-05

申请号：US17514780

申请日：2021-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu PARK ,  Seokho YUN ,  Minwoo LIM

IPC: G02B3/00 ,  G02B1/115 ,  H04N5/232 ,  H04N9/04

Abstract: Provided is an image sensor including a color separating lens array. The image sensor includes: a sensor substrate including a first pixel configured to sense light of a first wavelength and a second pixel configured to sense light of a second wavelength; a transparent spacer layer on the sensor substrate; and a color separating lens array on the spacer layer, wherein the color separating lens array condenses the light of the first wavelength toward the first pixel, and includes a first lens layer on the spacer layer, a second lens layer on the first lens layer, and an etch prevention layer between the first lens layer and the second lens layer.

公开(公告)号：US20210249459A1

公开(公告)日：2021-08-12

申请号：US17173688

申请日：2021-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokho YUN ,  Sookyoung ROH ,  Hongkyu PARK ,  Minwoo LIM

IPC: H01L27/146 ,  G02B27/10 ,  G02B27/12 ,  G02B26/00 ,  H04N9/077 ,  H04N9/04

Abstract: An image sensor includes: a light detector including a plurality of photosensitive cells configured to sense light; a color separation lens array provided above the light detector and including a plurality of pattern structures, the color separation lens array being configured to collect light having different wavelength spectra respectively on at least two photosensitive cells of the plurality of photosensitive cells; and a variable interlayer element configured to adjust an optical distance between the light detector and the color separation lens array.

公开(公告)号：US20210126035A1

公开(公告)日：2021-04-29

申请号：US17078888

申请日：2020-10-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sookyoung ROH ,  Seokho YUN

IPC: H01L27/146

Abstract: Provided is an image sensor including a color separating lens array. The image sensor includes a sensor substrate including a plurality of first photosensitive cells and a plurality of second photosensitive cells configured to sense light, and a color separating lens array including a plurality of first regions respectively corresponding to the plurality of first photosensitive cells and each including a first fine structure, and a plurality of second regions respectively corresponding to the plurality of second photosensitive cells and each including a second fine structure that is different from the first fine structure, wherein, among incident light incident on the color separating lens array, light of a first wavelength and light of a second wavelength are branched into different directions and focused on the first photosensitive cells and the second photosensitive cells.