Patents by Inventor Seong-Soon Cho

Seong-Soon Cho 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).

  • Publication number: 20240105604
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Patent number: 11854975
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Publication number: 20230127052
    Abstract: A semiconductor memory device includes a stack of word lines and insulating patterns. Cell pillars extend vertically through the stack of word lines and insulating patterns with memory cells being formed at the junctions of the cell pillars and the word lines. A ratio of the thickness of the word lines to the thickness of immediately neighboring insulating patterns is different at different locations along one or more of the cell pillars. Related methods of manufacturing and systems are also disclosed.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 27, 2023
    Inventors: TAEKYUNG KIM, KWANG SOO SEOL, SEONG SOON CHO, SUNGHOI HUR, JINTAE KANG
  • Patent number: 11545503
    Abstract: A semiconductor memory device includes a stack of word lines and insulating patterns. Cell pillars extend vertically through the stack of word lines and insulating patterns with memory cells being formed at the junctions of the cell pillars and the word lines. A ratio of the thickness of the word lines to the thickness of immediately neighboring insulating patterns is different at different locations along one or more of the cell pillars. Related methods of manufacturing and systems are also disclosed.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taekyung Kim, Kwang Soo Seol, Seong Soon Cho, Sunghoi Hur, Jintae Kang
  • Publication number: 20220328520
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connection region and an electrode structure including first and second electrodes alternatingly and vertically stacked on the substrate and having a stair-step structure on the connection region. Each of the first and second electrodes may include electrode portions provided on the cell array region to extend in a first direction and to be spaced apart from each other in a second direction perpendicular to the first direction, an electrode connecting portion provided on the connection region to extend in the second direction and to horizontally connect the electrode portions to each other, and protrusions provided on the connection region to extend from the electrode connecting portion in the first direction and to be spaced apart from each other in the second direction.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 13, 2022
    Inventors: Chang-Sup Lee, Sung-Hun Lee, Joonhee Lee, Seong Soon Cho
  • Patent number: 11374019
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connection region and an electrode structure including first and second electrodes alternatingly and vertically stacked on the substrate and having a stair-step structure on the connection region. Each of the first and second electrodes may include electrode portions provided on the cell array region to extend in a first direction and to be spaced apart from each other in a second direction perpendicular to the first direction, an electrode connecting portion provided on the connection region to extend in the second direction and to horizontally connect the electrode portions to each other, and protrusions provided on the connection region to extend from the electrode connecting portion in the first direction and to be spaced apart from each other in the second direction.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: June 28, 2022
    Inventors: Chang-Sup Lee, Sung-Hun Lee, Joonhee Lee, Seong Soon Cho
  • Patent number: 11289034
    Abstract: A display device includes a backlight unit including light source rows, each of the light source rows including light source blocks, a display panel configured to display an image by transmitting light emitted by the backlight unit, a panel driver configured to drive the display panel, and a backlight driver configured to drive the backlight unit. The backlight driver is configured to perform a vertical direction scan operation that sequentially select the light source rows and a horizontal direction sequential driving operation that sequentially drives the light source blocks included in a selected light source row of the light source rows.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: March 29, 2022
    Inventors: Jahun Koo, Seong Soon Cho, Jongwoon Kim, Kyung-Hun Lee
  • Publication number: 20210391260
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Patent number: 11107765
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: August 31, 2021
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Publication number: 20210035507
    Abstract: A display device includes a backlight unit including light source rows, each of the light source rows including light source blocks, a display panel configured to display an image by transmitting light emitted by the backlight unit, a panel driver configured to drive the display panel, and a backlight driver configured to drive the backlight unit. The backlight driver is configured to perform a vertical direction scan operation that sequentially select the light source rows and a horizontal direction sequential driving operation that sequentially drives the light source blocks included in a selected light source row of the light source rows.
    Type: Application
    Filed: January 27, 2020
    Publication date: February 4, 2021
    Inventors: Jahun KOO, Seong Soon CHO, Jongwoon KIM, Kyung-Hun LEE
  • Patent number: 10878901
    Abstract: Semiconductor devices are provided. A semiconductor device includes a stack of alternating gates and insulating layers. The semiconductor device includes a dummy cell region. The semiconductor device includes a plurality of bit lines and a plurality of auxiliary bit lines. Some of the plurality of auxiliary bit lines have different respective lengths. Related methods of forming semiconductor devices are also provided.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: December 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joonhee Lee, Jiyoung Kim, Jintaek Park, Seong Soon Cho
  • Patent number: 10840183
    Abstract: Vertical memory devices and methods of forming the same are provided. The devices may include a gate line structure including gate lines that are stacked in a first direction and extend in a second direction. The device may also include a first step pattern structure including extended gate lines extending from the gate lines and including first step layers and a second step pattern structure contacting the first step pattern structure, including the extended gate lines and including second step layers. An n-th extended gate line (n is an even number) may be disposed at an upper portion of each of the first step layers, and an (n-1)-th extended gate line may be disposed at an upper portion of each of the second step layers. Each of exposed portions of the (n-1)-th extended gate lines serves as a pad region, and the pad regions have different areas.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 17, 2020
    Inventors: Seok-Jung Yun, Sung-Hun Lee, Jee-Hoon Han, Yong-Won Chung, Seong Soon Cho
  • Patent number: 10790294
    Abstract: A vertical memory device includes a substrate having a cell array region and a connection region positioned on an exterior of the cell array region. Gate electrode layers are stacked on the cell array region and the connection region of the substrate, forming a stepped structure in the connection region. Channel structures are disposed in the cell array region, extending in a direction perpendicular to an upper surface of the substrate, while passing through the gate electrode layers. Dummy channel structures are disposed in the connection region, extending in the same direction as the channel structures, while passing through the gate electrode layers forming the stepped structure. First semiconductor patterns are disposed below the channel structures, and second semiconductor patterns are disposed below the dummy channel structures. The first and second semiconductor patterns include polycrystalline semiconductor materials.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: September 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Joo Shim, Seong Soon Cho, Ji Hye Kim, Kyung Jun Shin
  • Publication number: 20200251417
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Application
    Filed: April 21, 2020
    Publication date: August 6, 2020
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Publication number: 20200243445
    Abstract: Vertical memory devices and methods of forming the same are provided. The devices may include a gate line structure including gate lines that are stacked in a first direction and extend in a second direction. The device may also include a first step pattern structure including extended gate lines extending from the gate lines and including first step layers and a second step pattern structure contacting the first step pattern structure, including the extended gate lines and including second step layers. An n-th extended gate line (n is an even number) may be disposed at an upper portion of each of the first step layers, and an (n-1)-th extended gate line may be disposed at an upper portion of each of the second step layers. Each of exposed portions of the (n-1)-th extended gate lines serves as a pad region, and the pad regions have different areas.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Seok-Jung YUN, Sung-Hun LEE, Jee-Hoon HAN, Yong-Won CHUNG, Seong Soon CHO
  • Publication number: 20200227438
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connection region and an electrode structure including first and second electrodes alternatingly and vertically stacked on the substrate and having a stair-step structure on the connection region. Each of the first and second electrodes may include electrode portions provided on the cell array region to extend in a first direction and to be spaced apart from each other in a second direction perpendicular to the first direction, an electrode connecting portion provided on the connection region to extend in the second direction and to horizontally connect the electrode portions to each other, and protrusions provided on the connection region to extend from the electrode connecting portion in the first direction and to be spaced apart from each other in the second direction.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 16, 2020
    Inventors: Chang-Sup Lee, Sung-Hun Lee, Joonhee Lee, Seong Soon Cho
  • Publication number: 20200152643
    Abstract: A semiconductor memory device includes a stack of word lines and insulating patterns. Cell pillars extend vertically through the stack of word lines and insulating patterns with memory cells being formed at the junctions of the cell pillars and the word lines. A ratio of the thickness of the word lines to the thickness of immediately neighboring insulating patterns is different at different locations along one or more of the cell pillars. Related methods of manufacturing and systems are also disclosed.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 14, 2020
    Inventors: TAEKYUNG KIM, KWANG SOO SEOL, SEONG SOON CHO, SUNGHOI HUR, JINTAE KANG
  • Patent number: 10644023
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connection region and an electrode structure including first and second electrodes alternatingly and vertically stacked on the substrate and having a stair-step structure on the connection region. Each of the first and second electrodes may include electrode portions provided on the cell array region to extend in a first direction and to be spaced apart from each other in a second direction perpendicular to the first direction, an electrode connecting portion provided on the connection region to extend in the second direction and to horizontally connect the electrode portions to each other, and protrusions provided on the connection region to extend from the electrode connecting portion in the first direction and to be spaced apart from each other in the second direction.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 5, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Sup Lee, Sung-Hun Lee, Joonhee Lee, Seong Soon Cho
  • Patent number: 10541248
    Abstract: A semiconductor memory device includes a stack of word lines and insulating patterns. Cell pillars extend vertically through the stack of word lines and insulating patterns with memory cells being formed at the junctions of the cell pillars and the word lines. A ratio of the thickness of the word lines to the thickness of immediately neighboring insulating patterns is different at different locations along one or more of the cell pillars. Related methods of manufacturing and systems are also disclosed.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: January 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taekyung Kim, Kwang Soo Seol, Seong Soon Cho, Sunghoi Hur, Jintae Kang
  • Patent number: 10461030
    Abstract: Step shape pad structure and wiring structure in vertical type semiconductor device are include a first conductive line having a first line shape and including first pad regions at an upper surface of an edge portion, and a second conductive line having s second line shape and being spaced apart from the first conductive line and provided on the first conductive line. An end portion of the first conductive line is extended to a first position. Second pad regions are included on an upper surface of an edge portion of the second conductive line. An end portion of the second conductive line is extended to the first position. The second conductive line includes a dent portion at a facing portion to the first pad regions in a vertical direction to expose the first pad regions. The pad structure may be used in a vertical type nonvolatile memory device.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: October 29, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Young-Ho Lee, Seong-Soon Cho, Woon-Kyung Lee