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: 20190386180
    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: Application
    Filed: December 6, 2017
    Publication date: December 19, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sung Min HWANG, Sun Woo PARK, Chang Hyeong LEE
  • Patent number: 10504844
    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 27, 2017
    Date of Patent: December 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-woo Kim, Joon-sung Lim, Jang-gn Yun, Sung-min Hwang
  • Publication number: 20190341536
    Abstract: A semiconductor device according to the embodiment may include a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer; a first bonding pad disposed on the light emitting structure and electrically connected to the first conductivity type semiconductor layer; a second bonding pad disposed on the light emitting structure and spaced apart from the first bonding pad, and electrically connected to the second conductivity type semiconductor layer; and a reflective layer disposed on the light emitting structure and disposed between the first bonding pad and the second bonding pad. According to the semiconductor device of the embodiment, each of the first bonding pad and the second bonding pad includes a porous metal layer having a plurality of pores and a bonding alloy layer disposed on the porous metal layer.
    Type: Application
    Filed: December 27, 2017
    Publication date: November 7, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Byung Yeon CHOI, Chang Hyeong LEE, Sung Min HWANG
  • 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
  • Patent number: 10431593
    Abstract: Disclosed is a three-dimensional semiconductor memory device that includes first to third channel groups arranged in a first direction on a substrate. The first to third channel groups are spaced apart from each other along a second direction on the substrate. Each of the first to third channel groups includes a plurality of vertical channels that extend in a third direction perpendicular to a top surface of the substrate. The first and second channel groups are adjacent to each other in the second direction and spaced apart at a first distance in the second direction. The second and third channel groups are adjacent to each other in the second direction and are spaced apart at a second distance that is less than the first distance.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jang-Gn Yun, Sung-Min Hwang, Joon-Sung Lim, Kyoil Koo, Hoosung Cho, Sunyoung Kim, Cheol Ryou, Jaesun Yun
  • Patent number: 10411032
    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: May 17, 2018
    Date of Patent: September 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungjoong Kim, Joon-Sung Lim, Sung-Min Hwang
  • Patent number: 10403634
    Abstract: A semiconductor memory device includes a cell array region and a peripheral circuit region. The cell array region includes an electrode structure including a plurality of electrodes sequentially stacked on a body conductive layer, and vertical structures penetrating the electrode structure so as to be connected to the body conductive layer. The peripheral circuit region includes a remaining substrate on the body conductive layer. The remaining substrate includes a buried insulating layer, and a peripheral active layer that is provided on the buried insulating layer and is substantially single-crystalline.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Sung-Min Hwang, Joon-Sung Lim, Gilsung Lee, Eunsuk Cho
  • Publication number: 20190198511
    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: Application
    Filed: February 22, 2019
    Publication date: June 27, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jang-Gn YUN, Zhiliang XIA, Ahn-Sik MOON, Se-Jun PARK, Joon-Sung LIM, Sung-Min HWANG
  • Patent number: 10332900
    Abstract: A vertical memory device includes a gate structure on a peripheral circuit region of a substrate, the substrate including a cell region and the peripheral circuit region, and the gate structure including a first gate electrode, second, third, and fourth gate electrodes sequentially disposed at a plurality of levels, respectively, on the cell region of the substrate in a vertical direction substantially perpendicular to an upper surface of the substrate, a first epitaxial layer extending through the second gate electrode on the cell region of the substrate, a channel extending through the third and fourth gate electrodes in the vertical direction on the first epitaxial layer, and a second epitaxial layer on a portion of the peripheral circuit region of the substrate adjacent the gate structure.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Su-Ok Yun, Jang-Gn Yun, Joon-Sung Lim, Sung-Min Hwang
  • Publication number: 20190140140
    Abstract: Disclosed is a Group III nitride semiconductor template for a 300-400 nm near-ultraviolet light emitting semiconductor device, the template including: a growth substrate; a nucleation layer based on AlxGa1-xN (0<x?1, x>y); and a monocrystalline Group III nitride semiconductor layer based on AlyGa1-yN (y>0), and a near-ultraviolet light emitting semiconductor device using the template.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Inventors: Sung Min HWANG, In Sung CHO, Won Taeg LIM, Doo Soo KIM
  • Patent number: 10249636
    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: August 31, 2017
    Date of Patent: April 2, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jang-Gn Yun, Zhiliang Xia, Ahn-Sik Moon, Se-Jun Park, Joon-Sung Lim, Sung-Min Hwang
  • Publication number: 20190074292
    Abstract: Provided is a vertical non-volatile memory device having a metal source line. The vertical non-volatile memory device includes cell string units that are formed on first portions of a semiconductor substrate and are vertically arranged with respect to a surface of the semiconductor substrate, impurity regions formed on second portions of the semiconductor substrate between the cell string units, conductive lines formed on the impurity regions, and spacers that are formed on the sidewalls of the cell string units and insulate the conductive lines from the cells string units.
    Type: Application
    Filed: November 1, 2018
    Publication date: March 7, 2019
    Inventors: SUNG-MIN HWANG, Han-Soo Kim, Won-Seok Cho, Jae-Hoon Jang
  • Patent number: 10204901
    Abstract: A semiconductor device is provided including a resistor structure on a semiconductor substrate. The resistor structure includes pad portions and a resistor body connecting the pad portions. The pad portions each have a width greater than a width of the resistor body. The pad portions each include a pad pattern and a liner pattern covering a sidewall and a lower surface of the pad pattern. The resistor body extends laterally from the liner pattern. The pad pattern includes a different material from the resistor body and the liner pattern.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: February 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyo Seok Woo, Jang Gn Yun, Joon Sung Lim, Sung Min Hwang
  • Publication number: 20190043881
    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: Application
    Filed: May 17, 2018
    Publication date: February 7, 2019
    Inventors: Sungjoong Kim, Joon-Sung Lim, Sung-Min Hwang
  • Publication number: 20190035808
    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: Application
    Filed: June 18, 2018
    Publication date: January 31, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Min HWANG, Dong-Sik LEE, Joon-Sung LIM
  • Publication number: 20190035798
    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: Application
    Filed: April 16, 2018
    Publication date: January 31, 2019
    Inventors: SUNG-MIN HWANG, DONG-SIK LEE, JOON-SUNG LIM
  • Publication number: 20190019929
    Abstract: The light emitting device package disclosed in the embodiment includes: first and second frames having first and second through holes; a body disposed between the first and second frames; a light emitting device including a first bonding pad and a second bonding pad; and a conductive part in the first and second through holes. wherein at least one of the first and second bonding pads faces the first and second frames and overlaps with the first and second through holes and includes a contact region contacting the conductive part and a first non-contact non-contacting the conducive part.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 17, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chang Man LIM, Ki Seok KIM, Young Shin KIM, June O SONG, Ju Hyeon OH, Chang Hyeong LEE, Tae Sung LEE, Se Yeon JUNG, Byung Yeon CHOI, Sung Min HWANG
  • Publication number: 20180374867
    Abstract: Disclosed is a three-dimensional semiconductor memory device that includes first to third channel groups arranged in a first direction on a substrate. The first to third channel groups are spaced apart from each other along a second direction on the substrate. Each of the first to third channel groups includes a plurality of vertical channels that extend in a third direction perpendicular to a top surface of the substrate. The first and second channel groups are adjacent to each other in the second direction and spaced apart at a first distance in the second direction. The second and third channel groups are adjacent to each other in the second direction and are spaced apart at a second distance that is less than the first distance.
    Type: Application
    Filed: January 2, 2018
    Publication date: December 27, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jang-Gn YUN, Sung-Min HWANG, Joon-Sung LIM, Kyoil KOO, Hoosung CHO, Sunyoung KIM, Cheol RYOU, Jaesun YUN
  • Publication number: 20180358370
    Abstract: Disclosed are a semiconductor memory device and a method of manufacturing the same. The semiconductor memory device includes a cell array region connected to a peripheral circuit region. The cell array region includes a plurality of electrode structures and a plurality of vertical structures on a body conductive layer. The plurality of electrode structures include a plurality of electrodes that are sequentially stacked on the body conductive layer. The plurality of vertical structures penetrate the electrode structures and are connected to the body conductive layer. The peripheral circuit region includes a peripheral transistor on a residual substrate. The residual substrate has a top surface higher than that of the body conductive layer.
    Type: Application
    Filed: December 14, 2017
    Publication date: December 13, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min HWANG, Joon-Sung Lim
  • Publication number: 20180358371
    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: May 17, 2018
    Publication date: December 13, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min HWANG, Joon-Sung LIM, Eunsuk CHO