Patents by Inventor Seungjoo NAH

Seungjoo NAH has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11935908
    Abstract: An image sensor includes a first structure including a first substrate, and a first internal wiring structure on the first substrate. The first substrate includes an active pixel region and a through electrode region around the active pixel region. The first internal wiring structure includes a plurality of first internal wiring patterns. The image sensor further includes a second structure including a second substrate and a second internal wiring structure on the second substrate. The second substrate is arranged on the first substrate. The image sensor additionally includes a through electrode layer arranged in the through electrode region to at least partially fill a through electrode trench, which penetrates the first substrate, and to connect the first internal wiring structure to the second internal wiring structure.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mihye Jang, Seungjoo Nah, Minho Jang, Heegeun Jeong
  • Publication number: 20230420476
    Abstract: An image sensor includes a chip structure including first and second regions. The chip structure further includes a substrate having a first surface, a second surface, and a recess portion, a plurality of photoelectric conversion devices included in the substrate, at least one conductive layer on a sidewall and a bottom surface of the recess portion and on the horizontal insulating layer in the second region, a first passivation layer on a side surface of the conductive layer in the recess portion and the conductive layer on the horizontal insulating layer, and a second passivation layer on side surface of the first passivation layer in the recess portion.
    Type: Application
    Filed: June 27, 2023
    Publication date: December 28, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hoemin JEONG, Seungjoo NAH, Heegeun JEONG, Soongeul CHOI, Dongmin HAN
  • Patent number: 11848342
    Abstract: An image sensor includes: a substrate having a first surface and a second surface that are opposite to each other; a plurality of color filters on the substrate; a fence pattern between adjacent color filters of the plurality of color filters; and a protective layer between the substrate and the plurality of color filters, wherein the protective layer covers the fence pattern. The fence pattern includes: a first fence pattern having a first bottom surface and a first top surface that are opposite to each other; and a second fence pattern on the first top surface of the first fence pattern. A width at the first bottom surface of the first fence pattern is less than a width of the second fence pattern, and the protective layer covers a sidewall of the first fence pattern.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: December 19, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunyoung Bang, Seungjoo Nah, Hoemin Jeong, Heegeun Jeong
  • Publication number: 20230082070
    Abstract: An image sensor includes a substrate including a first region and a second region surrounding the first region, a light sensing element in the substrate, a planarization layer on the light sensing element, a color filter array layer including color filters on the planarization layer on the first region of the substrate, a light blocking metal pattern on the planarization layer on the second region of the substrate, a dummy color filter layer on the light blocking metal pattern on a portion of the second region adjacent to the first region of the substrate, and microlens on the color filter array layer. Active pixels are in the first region, and optical black (OB) pixels are in the second region.
    Type: Application
    Filed: May 13, 2022
    Publication date: March 16, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeongjae BYEON, Jinyoung KIM, Seungjoo NAH, Heegeun JEONG
  • Publication number: 20230005971
    Abstract: An image sensor includes; a semiconductor substrate including a first surface and an opposing second surface, a pixel isolation structure in the semiconductor substrate and defining a pixel section, a photoelectric conversion region in the pixel section, a first device isolation layer on the pixel section and defining an active area on the first surface of the semiconductor substrate, a floating diffusion region in the active area and spaced apart from the photoelectric conversion region, a transfer gate electrode on the active area between the photoelectric conversion region and the floating diffusion region, and a second device isolation layer in the active area between the transfer gate electrode and the floating diffusion region.
    Type: Application
    Filed: March 11, 2022
    Publication date: January 5, 2023
    Inventors: DONGMIN HAN, SEUNGJOO NAH, HEEGEUN JEONG
  • Publication number: 20220165766
    Abstract: An image sensor includes: a substrate including a plurality of first and second pixels; a light blocking pattern providing a plurality of first spaces respectively disposed on the first pixels and at least one second space disposed on the plurality of second pixels; a plurality of color filters respectively disposed in the plurality of first spaces; and a microlens layer including a plurality of first microlenses respectively disposed on the plurality of color filters, at least one filling portion disposed in the at least one second space, and at least one second microlens disposed on the at least one filling portion, wherein the microlenses are disposed at the same height as each other, and wherein the at least one filling portion and the at least one second microlens comprise an integrated structure without an interface between the at least one filling portion and the at least one second microlens.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 26, 2022
    Inventors: Hoemin Jeong, Seungjoo Nah, Heegeun Jeong, Wonmo Chun
  • Publication number: 20220037385
    Abstract: An image sensor includes: a substrate having a first surface and a second surface that are opposite to each other; a plurality of color filters on the substrate; a fence pattern between adjacent color filters of the plurality of color filters; and a protective layer between the substrate and the plurality of color filters, wherein the protective layer covers the fence pattern. The fence pattern includes: a first fence pattern having a first bottom surface and a first top surface that are opposite to each other; and a second fence pattern on the first top surface of the first fence pattern. A width at the first bottom surface of the first fence pattern is less than a width of the second fence pattern, and the protective layer covers a sidewall of the first fence pattern.
    Type: Application
    Filed: March 31, 2021
    Publication date: February 3, 2022
    Inventors: Sunyoung BANG, SEUNGJOO NAH, Hoemin JEONG, HEEGEUN JEONG
  • Publication number: 20220028915
    Abstract: An image sensor includes a first structure including a first substrate, and a first internal wiring structure on the first substrate. The first substrate includes an active pixel region and a through electrode region around the active pixel region. The first internal wiring structure includes a plurality of first internal wiring patterns. The image sensor further includes a second structure including a second substrate and a second internal wiring structure on the second substrate. The second substrate is arranged on the first substrate. The image sensor additionally includes a through electrode layer arranged in the through electrode region to at least partially fill a through electrode trench, which penetrates the first substrate, and to connect the first internal wiring structure to the second internal wiring structure.
    Type: Application
    Filed: May 24, 2021
    Publication date: January 27, 2022
    Inventors: Mihye JANG, Seungjoo NAH, Minho JANG, Heegeun JEONG
  • Publication number: 20210335862
    Abstract: Disclosed is an image sensor comprising a substrate that has a first surface and a second surface that face each other, an isolation pattern that defines a plurality of pixel regions in the substrate, a plurality of contact plugs on the first surface of the substrate and coupled to the isolation pattern, and a plurality of first micro-lens patterns on the second surface of the substrate. The contact plugs include a first contact plug and a second contact plug that neighbor each other. A portion of the isolation pattern extends to run across a first region and a second region in the substrate. The first region vertically overlaps the first contact plug. The second region vertically overlaps the second contact plug.
    Type: Application
    Filed: November 17, 2020
    Publication date: October 28, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: KANGHUN LEE, SEUNGJOO NAH, HEEGEUN JEONG, MANGEUN CHO
  • Patent number: 10367024
    Abstract: A semiconductor device includes a light-receiving element which outputs electric charges in response to incident light, and a drive transistor which is gated by an output of the light-receiving element to generate a source-drain current in proportion to the incident light, wherein the drive transistor include a first gate electrode, a first channel region which is disposed under the first gate electrode, first source-drain regions which are disposed at respective ends of the first channel region and that have a first conductivity type, and a first channel stop region which is disposed on a side of the first channel region, and that separates the light-receiving element and the first channel region, the first channel stop region having a second conductivity type that is different from the first conductivity type.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungjoo Nah, Jung-Chak Ahn, Kyung-Ho Lee
  • Patent number: 10121808
    Abstract: A device includes first patterns, second patterns, and a second sample pattern on a semiconductor substrate. The second patterns are horizontally spaced apart at an equal interval from the second sample pattern. The second sample pattern includes first and second sidewall facing each other, a first point on the first sidewall, and a second point on the second sidewall. The second sample pattern and the most adjacent first pattern in relation to the second sample pattern are spaced apart from each other at a first horizontal distance in a direction parallel to a line connecting the first point and the second point. The first horizontal distance is greater than a second horizontal distance in the direction between one second pattern of the second patterns and a most adjacent first pattern in relation to the one second pattern.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: November 6, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dongmin Han, Jung-Saeng Kim, Seungjoo Nah, Junetaeg Lee
  • Publication number: 20170287969
    Abstract: A semiconductor device includes a light-receiving element which outputs electric charges in response to incident light, and a drive transistor which is gated by an output of the light-receiving element to generate a source-drain current in proportion to the incident light, wherein the drive transistor include a first gate electrode, a first channel region which is disposed under the first gate electrode, first source-drain regions which are disposed at respective ends of the first channel region and that have a first conductivity type, and a first channel stop region which is disposed on a side of the first channel region, and that separates the light-receiving element and the first channel region, the first channel stop region having a second conductivity type that is different from the first conductivity type.
    Type: Application
    Filed: June 15, 2017
    Publication date: October 5, 2017
    Inventors: SEUNGJOO NAH, JUNG-CHAK AHN, KYUNG-HO LEE
  • Patent number: 9711557
    Abstract: A semiconductor device includes a light-receiving element which outputs electric charges in response to incident light, and a drive transistor which is gated by an output of the light-receiving element to generate a source-drain current in proportion to the incident light, wherein the drive transistor include a first gate electrode, a first channel region which is disposed under the first gate electrode, first source-drain regions which are disposed at respective ends of the first channel region and that have a first conductivity type, and a first channel stop region which is disposed on a side of the first channel region, and that separates the light-receiving element and the first channel region, the first channel stop region having a second conductivity type that is different from the first conductivity type.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: July 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungjoo Nah, Jung-Chak Ahn, Kyung-Ho Lee
  • Publication number: 20160035773
    Abstract: A semiconductor device includes a light-receiving element which outputs electric charges in response to incident light, and a drive transistor which is gated by an output of the light-receiving element to generate a source-drain current in proportion to the incident light, wherein the drive transistor include a first gate electrode, a first channel region which is disposed under the first gate electrode, first source-drain regions which are disposed at respective ends of the first channel region and that have a first conductivity type, and a first channel stop region which is disposed on a side of the first channel region, and that separates the light-receiving element and the first channel region, the first channel stop region having a second conductivity type that is different from the first conductivity type.
    Type: Application
    Filed: March 9, 2015
    Publication date: February 4, 2016
    Inventors: Seungjoo NAH, Jung-Chak AHN, Kyung-Ho LEE