Patents by Inventor Sung-min Hwang

Sung-min Hwang 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: 20210111187
    Abstract: A nonvolatile memory device including a mold structure including a plurality of gate electrodes on a substrate, the plurality of gate electrodes including first, second, and third string selection lines sequentially stacked on the substrate; a channel structure that penetrates the mold structure and intersects each of the gate electrodes; a first cutting region that cuts each of the gate electrodes; a second cutting region that is spaced apart from the first cutting region in a first direction and cuts each of the gate electrodes; a first cutting line that cuts the first string selection line between the first cutting region and the second cutting region; a second cutting line that cuts the second string selection line between the first cutting region and the second cutting region; and a third cutting line that cuts the third string selection line between the first cutting region and the second cutting region.
    Type: Application
    Filed: June 2, 2020
    Publication date: April 15, 2021
    Inventors: Jae Ho AHN, Sung-Min HWANG, Joon-Sung LIM, Bum Kyu KANG, Sang Don LEE
  • Publication number: 20210098478
    Abstract: Disclosed is a three-dimensional semiconductor memory device including a substrate including a cell array region and a connection region, a stack including first and second stacks sequentially stacked on the substrate, the stack having a staircase structure on the connection region, each of the first and second stacks including conductive patterns vertically stacked on the substrate, and contact plugs disposed on the connection region and respectively coupled to the conductive patterns. A bottom surface of each contact plug is located between top and bottom surfaces of a corresponding conductive pattern. In each stack, a recess depth of each contact plug varies monotonically in a stacking direction of the conductive patterns, when measured from a top surface of a corresponding conductive pattern. The contact plugs coupled to an uppermost conductive pattern of the first stack and a lowermost conductive pattern of the second stack have discrete recess depths.
    Type: Application
    Filed: April 27, 2020
    Publication date: April 1, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min HWANG, Woosung YANG, Joon-Sung LIM, Jiyoung KIM, Jiwon KIM
  • Patent number: 10950756
    Abstract: The embodiments of the present invention relate to a light emitting device, a method for manufacturing a light emitting device, a light emitting device package, and a lighting device. A light emitting device according to an embodiment has: a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer; a passivation layer disposed on the light emitting structure; and an insulating reflective layer disposed on the passivation layer. The passivation layer may include a first region disposed on an upper surface of the light emitting structure, and a second region disposed on side surfaces of the first conductivity type semiconductor layer, the second conductivity type semiconductor layer, and the active layer.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: March 16, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Min Hwang, Sun Woo Park, Chang Hyeong Lee
  • Patent number: 10903236
    Abstract: A three-dimensional (3D) semiconductor memory device includes a substrate that includes a cell array region and a connection region, a dummy trench formed on the connection region, an electrode structure on the substrate and that includes vertically stacked electrodes that have a staircase structure on the connection region, a dummy insulating structure disposed in the dummy trench, the dummy insulating structure including an etch stop pattern spaced apart from the substrate and the electrode structure, a cell channel structure disposed on the cell array region and that penetrates the electrode structure and makes contact with the substrate, and a dummy channel structure disposed on the connection region and that penetrates the electrode structure and a portion of the dummy insulating structure and that makes contact with the etch stop pattern.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kangyoon Choi, Dong-Sik Lee, Jongwon Kim, Gilsung Lee, Eunsuk Cho, Byungyong Choi, Sung-Min Hwang
  • Patent number: 10892272
    Abstract: Semiconductor memory devices are provided. A semiconductor memory device includes a memory cell region and an insulator on a portion of the memory cell region. The semiconductor memory device includes a stress relief material that is in the insulator and is between the memory cell region and another region of the semiconductor memory device.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: January 12, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Jang-Gn Yun, Joon-Sung Lim
  • Patent number: 10886296
    Abstract: A three-dimensional semiconductor device is disclosed. The device may include an electrode structure that can include a plurality of electrodes that are stacked on a substrate and extend in a first direction. Vertical structures can penetrate the electrode structure to provide a plurality of columns spaced apart from each other in a second direction crossing the first direction. The plurality of columns can include first and second edge columns located adjacent to respective opposite edges of the electrode structure, and the plurality of columns can include a center column located between the first and second edge columns. Distances between adjacent ones of the plurality of columns can decrease in a direction from the first and second edge columns toward the center column.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungjoong Kim, Joon-Sung Lim, Sung-Min Hwang
  • Patent number: 10886299
    Abstract: A semiconductor memory device includes a body conductive layer that includes a cell array portion and a peripheral circuit portion, an electrode structure on the cell array portion of the body conductive layer, vertical structures that penetrate the electrode structure, a residual substrate on the peripheral circuit portion of the body conductive layer, and a connection conductive pattern penetrating the residual substrate. The electrode structure includes a plurality of electrode that are stacked on top of each other. The vertical structures are connected to the cell array portion of the body conductive layer. The connection conductive pattern is connected to the peripheral circuit portion of the body conductive layer.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Joon-Sung Lim, Jihye Kim
  • Publication number: 20200411542
    Abstract: A three-dimensional semiconductor memory device may include horizontal patterns disposed on a peripheral circuit structure and spaced apart from each other, memory structures provided on the horizontal patterns, respectively, each of the memory structures including a three-dimensional arrangement of memory cells. Penetrating insulating patterns and separation structures may isolate the horizontal patterns from one another. Through vias may extend through the penetrating insulating patterns to connect logic circuits of the peripheral circuit structure to the memory structure.
    Type: Application
    Filed: January 30, 2020
    Publication date: December 31, 2020
    Inventors: WOOSUNG YANG, DONG-SIK LEE, SUNG-MIN HWANG, JOON-SUNG LIM
  • Patent number: 10854924
    Abstract: The present invention relates to an electrode assembly and a method for manufacturing the same, and more particularly, to an electrode assembly which is capable of improving an alignment of a secondary battery, realizing a high-capacity battery, and simplifying manufacturing processes of the secondary battery, and a method for manufacturing the same. The electrode assembly includes an electrode stack in which a plurality of first electrodes spaced apart from each other are disposed between two separators and second electrodes attached to both outer surfaces of the electrode stack at alternate positions of a plurality of positions on which the first electrodes are disposed, wherein, in the electrode stack, an area between the first electrode and the adjacent first electrode is folded.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: December 1, 2020
    Inventors: Jung Kwan Pyo, Sung Jong Kim, Sang Hyun Koo, Soo Ryoung Kim, Cha Hun Ku, Sung Min Hwang
  • Patent number: 10840256
    Abstract: A vertical memory device includes a channel, a dummy channel, a plurality of gate electrodes, and a support pattern. The channel extends in a first direction perpendicular to an upper surface of a substrate. The dummy channel extends from the upper surface of the substrate in the first direction. The plurality of gate electrodes are formed at a plurality of levels, respectively, spaced apart from each other in the first direction on the substrate. Each of the gate electrodes surrounds outer sidewalls of the channel and the dummy channel. The support pattern is between the upper surface of the substrate and a first gate electrode among the gate electrodes. The first gate electrode is at a lowermost one of the levels. The channel and the dummy channel contact each other between the upper surface of the substrate and the first gate electrode.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jang-Gn Yun, Zhiliang Xia, Ahn-Sik Moon, Se-Jun Park, Joon-Sung Lim, Sung-Min Hwang
  • Patent number: 10840187
    Abstract: A three-dimensional (3D) semiconductor device includes a substrate having a cell array region and a peripheral circuit region. A cell array structure is in the cell array region and includes a 3D memory cell array. A peripheral logic structure is in the peripheral circuit region and includes a peripheral circuit transistor. A cell insulating layer insulates the cell array structure. A peripheral insulating layer is insulated from the peripheral logic structure and the cell array region and has a porous layer.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-woo Kim, Joon-sung Lim, Jang-gn Yun, Sung-min Hwang
  • Patent number: 10818678
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a peripheral circuit region and a cell array region, a plurality of peripheral gate stacks disposed in the peripheral circuit region, and an electrode structure disposed in the cell array region. The electrode structure includes a lower electrode, a lower insulating layer disposed on the lower electrode, and upper electrodes and upper insulating layers alternately stacked on the lower insulating layer. The lower insulating layer extends from the cell array region into the peripheral circuit region and covers the peripheral gate stacks. The lower insulating layer includes a first lower insulating layer and a second lower insulating layer sequentially stacked on one another. The first lower insulating layer includes a first insulating material, and the second lower insulating layer includes a second insulating material different from the first insulating material.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Min Hwang, Dong-Sik Lee, Joon-Sung Lim
  • Patent number: 10804363
    Abstract: Disclosed are three-dimensional semiconductor memory devices and methods of fabricating the same. The three-dimensional semiconductor memory device comprises a substrate that includes a cell array region and a connection region, an electrode structure that includes a plurality of electrodes and a plurality of dielectric layers alternately stacked on the substrate and has a stepwise structure on the connection region, an etch stop pattern that covers the stepwise structure of the electrode structure. The electrode structure and the etch stop pattern extend in a first direction when viewed in plan. The electrode structure has a first width in a second direction intersecting the first direction. The etch stop pattern has a second width in the second direction. The second width is less than the first direction.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Joon-Sung Lim, Jiyoung Kim, Jiwon Kim, Woosung Yang
  • Publication number: 20200312877
    Abstract: A semiconductor memory device includes a body conductive layer that includes a cell array portion and a peripheral circuit portion, an electrode structure on the cell array portion of the body conductive layer, vertical structures that penetrate the electrode structure, a residual substrate on the peripheral circuit portion of the body conductive layer, and a connection conductive pattern penetrating the residual substrate. The electrode structure includes a plurality of electrode that are stacked on top of each other. The vertical structures are connected to the cell array portion of the body conductive layer. The connection conductive pattern is connected to the peripheral circuit portion of the body conductive layer.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min HWANG, Joon-Sung LIM, Jihye KIM
  • Publication number: 20200312862
    Abstract: A semiconductor memory device includes a first semiconductor chip and a second semiconductor chip. Each semiconductor chip of the first and second semiconductor chips may include a cell array region and a peripheral circuit region. The cell array region may include an electrode structure including electrodes sequentially stacked on a body conductive layer and vertical structures extending through the electrode structure and connected to the body conductive layer. The peripheral circuit region may include a residual substrate on the body conductive layer and on which a peripheral transistor is located. A bottom surface of the body conductive layer of the second semiconductor chip may face a bottom surface of the body conductive layer of the first semiconductor chip.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min HWANG, Joon-Sung LIM, Eunsuk CHO
  • Publication number: 20200303284
    Abstract: A vertical semiconductor device including a plurality of vertical memory cells on an upper surface of a first substrate, an adhesive layer on a lower surface of the first substrate that is opposite to the upper surface of the first substrate, a second substrate having first peripheral circuits thereon, a lower insulating interlayer on the second substrate, and a plurality of wiring structures electrically connecting the vertical memory cells and the first peripheral circuits. A lower surface of the adhesive layer and an upper surface of the lower insulating interlayer may be in contact with each other.
    Type: Application
    Filed: December 20, 2019
    Publication date: September 24, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Woo-Sung YANG, Joon-Sung LIM, Sung-Min HWANG, Ji-Young KIM, Ji-Won KIM
  • Patent number: 10727244
    Abstract: A semiconductor memory device includes a first semiconductor chip and a second semiconductor chip. Each semiconductor chip of the first and second semiconductor chips may include a cell array region and a peripheral circuit region. The cell array region may include an electrode structure including electrodes sequentially stacked on a body conductive layer and vertical structures extending through the electrode structure and connected to the body conductive layer. The peripheral circuit region may include a residual substrate on the body conductive layer and on which a peripheral transistor is located. A bottom surface of the body conductive layer of the second semiconductor chip may face a bottom surface of the body conductive layer of the first semiconductor chip.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Joon-Sung Lim, Eunsuk Cho
  • Publication number: 20200227435
    Abstract: A semiconductor device includes gate electrodes spaced apart from each other in a first direction perpendicular to a substrate's upper surface, and extending by different lengths in a second direction perpendicular to the first direction. The device further includes first and second channels penetrating the gate electrodes and extending in the first direction, a horizontal portion disposed in lower portions of the gate electrodes and connecting lower portions of the first and second channels to each other, and a source line disposed in an upper portion of the second channel and connected to the second channel. The gate electrodes include memory cell electrodes included in memory cells, a first ground select electrode disposed in lower portions of the memory cell electrodes, a second ground select electrode disposed in upper portions of the memory cell electrodes, and a string select electrode disposed in upper portions of the memory cell electrodes.
    Type: Application
    Filed: November 18, 2019
    Publication date: July 16, 2020
    Inventors: Sung Min Hwang, Joon Sung Lim, Woo Sung Yang, Dong Sik Lee
  • Publication number: 20200212061
    Abstract: A three-dimensional (3D) semiconductor memory device includes a substrate that includes a cell array region and a connection region, a dummy trench formed on the connection region, an electrode structure on the substrate and that includes vertically stacked electrodes that have a staircase structure on the connection region, a dummy insulating structure disposed in the dummy trench, the dummy insulating structure including an etch stop pattern spaced apart from the substrate and the electrode structure, a cell channel structure disposed on the cell array region and that penetrates the electrode structure and makes contact with the substrate, and a dummy channel structure disposed on the connection region and that penetrates the electrode structure and a portion of the dummy insulating structure and that makes contact with the etch stop pattern.
    Type: Application
    Filed: October 24, 2019
    Publication date: July 2, 2020
    Inventors: KANGYOON CHOI, DONG-SIK LEE, JONGWON KIM, GILSUNG LEE, EUNGSUK CHO, BYUNGYONG CHOI, SUNG-MIN HWANG
  • Patent number: 10700085
    Abstract: A vertical memory device is provided. The vertical memory device includes a substrate, first gate electrodes, a channel, first wirings, and second wirings. The substrate includes a cell region and a peripheral circuit region. The first gate electrodes are spaced apart from each other in a first direction on the cell region of the substrate, the first direction being substantially perpendicular to the substrate. The channel extends through a portion of the first gate electrodes in the first direction on the cell region. The first wirings are formed on the cell region, and are disposed at first levels that are higher in the first direction than gate electrode levels on which the first gate electrodes are respectively formed. The second wirings are formed on the peripheral circuit region, and are disposed at the first levels and at a second level that is higher than the gate electrode levels.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Min Hwang, Dong-Sik Lee, Joon-Sung Lim