公开(公告)号：US20230328404A1

公开(公告)日：2023-10-12

申请号：US18336495

申请日：2023-06-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Minkyung Kim ,  Minkwan Kim ,  Minho Jang ,  Insung Joe

IPC: H04N25/704 ,  H01L27/146 ,  H04N25/11

CPC classification number: H04N25/704 ,  H01L27/14645 ,  H01L27/14621 ,  H01L27/14685 ,  H04N25/11 ,  H01L27/1464 ,  H01L27/14641 ,  H01L27/14627 ,  H01L27/14629

Abstract: An image sensor is presented which includes a pixel array including a plurality of image sensing pixels in a substrate, a phase detection shared pixel in the substrate, the phase detection shared pixel including two phase detection subpixels arranged next to each other, a color filter fence disposed on the plurality of image sensing pixels, and the phase detection shared pixel, the color filter fence defining a plurality of color filter spaces, a plurality of color filter layers respectively disposed in the plurality of color filter spaces on the plurality of image sensing pixels, and the phase detection shared pixel, a first micro-lens disposed on each of the plurality of image sensing pixels to have a first height, and a second micro-lens disposed to vertically overlap the two phase detection subpixels of the phase detection shared pixel and to have a second height greater than the first height.

公开(公告)号：US11581347B2

公开(公告)日：2023-02-14

申请号：US16775937

申请日：2020-01-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Donghyun Kim ,  Minkwan Kim ,  Minkyung Kim ,  Minho Jang ,  In Sung Joe

IPC: H01L27/146

Abstract: An image sensor and a method of manufacturing thereof are provided. The image sensor includes a substrate, a grid structure, and color filters. The substrate includes a pixel separation structure defining pixel regions, and a sub-pixel regions for each pixel region. The grid structure is disposed on the substrate and includes first fence segments provided between the sub-pixel regions, and second fence segments provided between neighboring pixel regions. The grid structure defines openings corresponding respectively to the sub-pixel regions. The color filters are disposed in the openings defined by the grid structure. Each of the color filters has a flat top surface and the flat top surface of each color filter is parallel to a bottom surface thereof.

公开(公告)号：US20240136379A1

公开(公告)日：2024-04-25

申请号：US18204974

申请日：2023-06-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minkwan Kim ,  Inyong Park ,  Jinsun Pyo ,  Beomsuk Lee ,  Sungeun Lee ,  In Sung Joe

IPC: H01L27/146 ,  G02B3/00

CPC classification number: H01L27/14627 ,  G02B3/0043 ,  H01L27/14621 ,  H01L27/1463 ,  H01L27/14634 ,  H01L27/14645 ,  H01L27/14685 ,  G02B1/14

Abstract: Image sensors and fabrication methods thereof. For example, the image sensor may include a first substrate having a first surface and a second surface that are opposite to each other, a plurality of pixels provided in the first substrate and arranged in pixel groups, each pixel group including four pixels arranged in two columns and two rows, a pixel separation structure in the first substrate and including a pixel group separation part that separates each pixel group from adjacent pixel groups and a pixel separation part that separates the pixels in each pixel group from each other, and a plurality of microlenses on the first surface and respectively overlapping the plurality of pixel groups. Each of the microlenses includes a central part that has a first curvature and an edge part that has a second curvature. The first curvature is less than the second curvature.

公开(公告)号：US11412165B2

公开(公告)日：2022-08-09

申请号：US16986759

申请日：2020-08-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Minkyung Kim ,  Minkwan Kim ,  Minho Jang ,  Insung Joe

IPC: H04N5/369 ,  H04N9/04 ,  H01L27/146

Abstract: An image sensor is presented which includes a pixel array including a plurality of image sensing pixels in a substrate, a phase detection shared pixel in the substrate, the phase detection shared pixel including two phase detection subpixels arranged next to each other, a color filter fence disposed on the plurality of image sensing pixels, and the phase detection shared pixel, the color filter fence defining a plurality of color filter spaces, a plurality of color filter layers respectively disposed in the plurality of color filter spaces on the plurality of image sensing pixels, and the phase detection shared pixel, a first micro-lens disposed on each of the plurality of image sensing pixels to have a first height, and a second micro-lens disposed to vertically overlap the two phase detection subpixels of the phase detection shared pixel and to have a second height greater than the first height.

公开(公告)号：US20240234462A9

公开(公告)日：2024-07-11

申请号：US18204974

申请日：2023-06-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minkwan Kim ,  Inyong Park ,  Jinsun Pyo ,  Beomsuk Lee ,  Sungeun Lee ,  In Sung Joe

IPC: H01L27/146 ,  G02B3/00

CPC classification number: H01L27/14627 ,  G02B3/0043 ,  H01L27/14621 ,  H01L27/1463 ,  H01L27/14634 ,  H01L27/14645 ,  H01L27/14685 ,  G02B1/14

Abstract: Image sensors and fabrication methods thereof. For example, the image sensor may include a first substrate having a first surface and a second surface that are opposite to each other, a plurality of pixels provided in the first substrate and arranged in pixel groups, each pixel group including four pixels arranged in two columns and two rows, a pixel separation structure in the first substrate and including a pixel group separation part that separates each pixel group from adjacent pixel groups and a pixel separation part that separates the pixels in each pixel group from each other, and a plurality of microlenses on the first surface and respectively overlapping the plurality of pixel groups. Each of the microlenses includes a central part that has a first curvature and an edge part that has a second curvature. The first curvature is less than the second curvature.

公开(公告)号：US20220353446A1

公开(公告)日：2022-11-03

申请号：US17812795

申请日：2022-07-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Minkyung Kim ,  Minkwan Kim ,  Minho Jang ,  Insung Joe

IPC: H04N5/369 ,  H04N9/04 ,  H01L27/146

Abstract: An image sensor is presented which includes a pixel array including a plurality of image sensing pixels in a substrate, a phase detection shared pixel in the substrate, the phase detection shared pixel including two phase detection subpixels arranged next to each other, a color filter fence disposed on the plurality of image sensing pixels, and the phase detection shared pixel, the color filter fence defining a plurality of color filter spaces, a plurality of color filter layers respectively disposed in the plurality of color filter spaces on the plurality of image sensing pixels, and the phase detection shared pixel, a first micro-lens disposed on each of the plurality of image sensing pixels to have a first height, and a second micro-lens disposed to vertically overlap the two phase detection subpixels of the phase detection shared pixel and to have a second height greater than the first height.

公开(公告)号：US12211873B2

公开(公告)日：2025-01-28

申请号：US17490761

申请日：2021-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Inyong Park ,  Minkwan Kim ,  In Sung Joe ,  Jinhyung Kim ,  Dhami Park ,  Kisang Yoon

IPC: H01L27/146 ,  H01L23/00 ,  H01L25/065 ,  H04N23/10 ,  H04N23/55 ,  H04N23/67 ,  H04N25/11 ,  H04N25/79

Abstract: An image sensor includes a first substrate including a focus pixel region and pixel regions around the focus pixel region, each of the focus pixel region and the pixel regions including at least one photoelectric conversion region, color filters provided on the focus pixel region and the pixel regions, respectively, and on a first surface of the first substrate, and micro lenses provided on the color filters, respectively. The micro lenses include an auto-focus lens on the focus pixel region, a first micro lens adjacent to the auto-focus lens, and a standard micro lens spaced apart from the auto-focus lens.

公开(公告)号：US11910112B2

公开(公告)日：2024-02-20

申请号：US17812795

申请日：2022-07-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Minkyung Kim ,  Minkwan Kim ,  Minho Jang ,  Insung Joe

IPC: H04N25/704 ,  H01L27/146 ,  H04N25/11

CPC classification number: H04N25/704 ,  H01L27/1464 ,  H01L27/14621 ,  H01L27/14627 ,  H01L27/14629 ,  H01L27/14641 ,  H01L27/14645 ,  H01L27/14685 ,  H04N25/11

Abstract: An image sensor is presented which includes a pixel array including a plurality of image sensing pixels in a substrate, a phase detection shared pixel in the substrate, the phase detection shared pixel including two phase detection subpixels arranged next to each other, a color filter fence disposed on the plurality of image sensing pixels, and the phase detection shared pixel, the color filter fence defining a plurality of color filter spaces, a plurality of color filter layers respectively disposed in the plurality of color filter spaces on the plurality of image sensing pixels, and the phase detection shared pixel, a first micro-lens disposed on each of the plurality of image sensing pixels to have a first height, and a second micro-lens disposed to vertically overlap the two phase detection subpixels of the phase detection shared pixel and to have a second height greater than the first height.

公开(公告)号：US11322536B2

公开(公告)日：2022-05-03

申请号：US16387106

申请日：2019-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Donghyun Kim ,  Minkyung Kim ,  Minkwan Kim

IPC: H01L27/30 ,  H01L27/146

Abstract: An image sensor is disclosed. The image sensor may include a plurality of unit pixels, a color filter array provided on the plurality unit pixels, the color filter array including color filters, an anti-reflection layer disposed between the plurality of unit pixels and the color filter array, and a fence pattern including a lower portion buried in the anti-reflection layer and an upper portion separating the color filters from each other. A width of the upper portion of the fence pattern may be greater than a width of the lower portion.

公开(公告)号：US20210120198A1

公开(公告)日：2021-04-22

申请号：US16986759

申请日：2020-08-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongki Kim ,  Minkyung Kim ,  Minkwan Kim ,  Minho Jang ,  Insung Insung

IPC: H04N5/369 ,  H04N9/04 ,  H01L27/146

Abstract: An image sensor is presented which includes a pixel array including a plurality of image sensing pixels in a substrate, a phase detection shared pixel in the substrate, the phase detection shared pixel including two phase detection subpixels arranged next to each other, a color filter fence disposed on the plurality of image sensing pixels, and the phase detection shared pixel, the color filter fence defining a plurality of color filter spaces, a plurality of color filter layers respectively disposed in the plurality of color filter spaces on the plurality of image sensing pixels, and the phase detection shared pixel, a first micro-lens disposed on each of the plurality of image sensing pixels to have a first height, and a second micro-lens disposed to vertically overlap the two phase detection subpixels of the phase detection shared pixel and to have a second height greater than the first height.