Patents by Inventor JiHoon Oh

JiHoon Oh 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: 20240132373
    Abstract: Positive electrode active material for solid-state batteries, comprising Li, M?, and oxygen, wherein M? comprises: Ni in a content x between 50.0 mol % and 75.0 mol %, Co in a content y between 0.0 mol % and 40.0 mol %, Mn in a content z between 0.0 mol % and 40.0 mol %, dopants in a content a between 0.0 mol % and 2.0 mol %, Zr in a content b between 0.1 mol % and 5.0 mol %, wherein x+y+z+a+b is 100.0 mol %, wherein Zr A = b ( x + y + z + b ) , wherein the positive electrode active material has a Zr content ZrB is expressed as molar fraction compared to the sum of molar fractions of Co, Mn, Ni, and Zr all as measured by XPS analysis, wherein ZrB/ZrA>50.0, the positive electrode active material comprising secondary particles having a plurality of primary particles said primary particles having an average diameter between 170 nm and 340 nm.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 25, 2024
    Inventors: Jens Martin PAULSEN, Shinichi KUMAKURA, TaeHyeon YANG, HyeJeong YANG, JiHoon KANG, JinDoo OH, JooEun HYOUNG
  • Publication number: 20240132374
    Abstract: Positive electrode active material for solid-state batteries, comprising Li, M?, and oxygen, wherein M? comprises: Ni in a content x between 50.0 mol % and 85.0 mol %, Co in a content y between 0.0 mol % and 40.0 mol %, Mn in a content z between 0.0 mol % and 40.0 mol %, dopants in a content a between 0.0 mol % and 2.0 mol %, Zr in a content b between 0.1 mol % and 5.0 mol %, wherein x+y+z+a+b is 100.0 mol %, wherein Zr A = b ( x + y + z + b ) , wherein the positive electrode active material has a Zr content ZrB is expressed as molar fraction compared to the sum of molar fractions of Co, Mn, Ni, and Zr all as measured by XPS analysis, wherein ZrB/ZrA>50.0, the positive electrode active material comprising secondary particles having a plurality of primary particles said primary particles having an average diameter between 170 nm and 340 nm.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 25, 2024
    Inventors: Jens Martin PAULSEN, Shinichi KUMAKURA, TaeHyeon YANG, HyeJeong YANG, JiHoon KANG, JinDoo OH, JooEun HYOUNG
  • Patent number: 11683963
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: June 20, 2023
    Inventors: Chungseok Lee, Donghee Park, Cheolgeun An, Jihoon Oh, Euiyun Jang, Jeongho Hwang
  • Patent number: 11226696
    Abstract: A display device includes a display panel that includes a flat part and a protruding part adjacent to one side of the flat part, a touch panel disposed on the display panel, a touch connection circuit board disposed at one side of the touch panel and electrically connected to the touch panel, and a protective layer disposed on one surface of the touch connection circuit board and that overlaps the protruding part. The touch connection circuit board includes a base film, a first dummy pattern disposed on the base film and adjacent to one edge of the base film, a second dummy pattern disposed on the base film and adjacent to an other edge of the base film, and a line pattern section disposed between the first and second dummy patterns. The protective layer covers the line pattern section between the first and second dummy patterns.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jihoon Oh, Myoung-Ha Jeon, Youngsoo Kim
  • Publication number: 20200326804
    Abstract: A display device includes a display panel that includes a flat part and a protruding part adjacent to one side of the flat part, a touch panel disposed on the display panel, a touch connection circuit board disposed at one side of the touch panel and electrically connected to the touch panel, and a protective layer disposed on one surface of the touch connection circuit board and that overlaps the protruding part. The touch connection circuit board includes a base film, a first dummy pattern disposed on the base film and adjacent to one edge of the base film, a second dummy pattern disposed on the base film and adjacent to an other edge of the base film, and a line pattern section disposed between the first and second dummy patterns. The protective layer covers the line pattern section between the first and second dummy patterns.
    Type: Application
    Filed: March 12, 2020
    Publication date: October 15, 2020
    Inventors: JIHOON OH, MYOUNG-HA JEON, YOUNGSOO KIM
  • Patent number: 10672853
    Abstract: The present disclosure describes a flexible display apparatus that includes a display substrate including a light-emitting area, and a non-emitting area including a bending area foldable in a folding direction outside of the light-emitting area, and a pad area outside of the bending area, a thin film encapsulation layer over the light-emitting area, and a driver inside a curvature portion of the display substrate at the bending area, and including a plurality of driving terminals electrically connected to a plurality of pad terminals in the pad area through penetration wirings in via holes defined by the display substrate to provide a new, thinner flexible display apparatus.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seunghwa Ha, Euiyun Jang, Donghee Park, Jihoon Oh
  • Publication number: 20190148478
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: Chungseok LEE, Donghee PARK, Cheolgeun AN, Jihoon OH, Euiyun JANG, Jeongho HWANG
  • Patent number: 10217807
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: February 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chungseok Lee, Donghee Park, Cheolgeun An, Jihoon Oh, Euiyun Jang, Jeongho Hwang
  • Patent number: 10088703
    Abstract: A method of manufacturing a display device comprises the steps of: forming a protective film on a first surface of a first base substrate; forming a polarizer including a plurality of wire grid patterns provided on a second surface of the first base substrate facing the first surface; removing the protective film from the first surface; and forming a pixel array layer on the first surface.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: October 2, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changok Kim, Taeyoung Ahn, Jihoon Oh, Sangwook Lee, Kiseong Seo, Junmo Im
  • Patent number: 10050227
    Abstract: A display apparatus includes a substrate, a display unit on a first surface of the substrate, and a protection film on a second surface, opposite the first surface, of the substrate. The protection film includes a first adhesive layer having a first surface that faces the second surface of the substrate; a protection film base having a first surface that faces a second surface, opposite the first surface, of the first adhesive layer; and a light blocking layer having a first surface that faces a second surface, opposite the first surface of the protection film base.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: August 14, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Donghee Park, Cheolgeun An, Jihoon Oh, Chungseok Lee, Euiyun Jang, Jeongho Hwang
  • Patent number: 9933655
    Abstract: A polarizer includes a substrate; a plurality of metal lines on the substrate, the plurality of metal lines each having a first width and a first height and being spaced apart from and parallel to each other with a first gap therebetween; and a hydrophobic coating layer on the metal line. The polarizer may be directly formed on the substrate, allowing for manufacture of light-weight and thin film structure of display device.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taeyoung Ahn, Jihoon Oh
  • Publication number: 20170373032
    Abstract: Disclosed is a fan-out wafer level packaging (FOWLP) apparatus includes a semiconductor die having at least one input/output (I/O) connection, a first plurality of package balls having a first package ball layout, a first conductive layer forming a first redistribution layer (RDL) and configured to electrically couple to the first plurality of package balls, and a second conductive layer forming a second RDL and including at least one conductive pillar configured to electrically couple the at least one I/O connection of the semiconductor die to the first conductive layer, wherein the second conductive layer enables the semiconductor die to be electrically coupled to a second plurality of package balls having a second package ball layout without a change in position of the at least one I/O connection of the semiconductor die.
    Type: Application
    Filed: June 24, 2016
    Publication date: December 28, 2017
    Inventors: Jihoon OH, Ruey Kae ZANG, Lizabeth Ann KESER, Reynante Tamunan ALVARADO, Haiyong XU, Yue LI, Steve BEZUK
  • Publication number: 20170352716
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Application
    Filed: December 16, 2016
    Publication date: December 7, 2017
    Inventors: Chungseok LEE, Donghee PARK, Cheolgeun AN, Jihoon OH, Euiyun JANG, Jeongho HWANG
  • Publication number: 20170294620
    Abstract: A display apparatus includes a substrate, a display unit on a first surface of the substrate, and a protection film on a second surface, opposite the first surface, of the substrate. The protection film includes a first adhesive layer having a first surface that faces the second surface of the substrate; a protection film base having a first surface that faces a second surface, opposite the first surface, of the first adhesive layer; and a light blocking layer having a first surface that faces a second surface, opposite the first surface of the protection film base.
    Type: Application
    Filed: January 19, 2017
    Publication date: October 12, 2017
    Inventors: Donghee PARK, Cheolgeun AN, Jihoon OH, Chungseok LEE, Euiyun JANG, Jeongho HWANG
  • Publication number: 20170170255
    Abstract: A flexible display apparatus includes a display substrate including a light-emitting area, and a non-emitting area including a bending area foldable in a folding direction outside of the light-emitting area, and a pad area outside of the bending area, a thin film encapsulation layer over the light-emitting area, and a driver inside a curvature portion of the display substrate at the bending area, and including a plurality of driving terminals electrically connected to a plurality of pad terminals in the pad area through penetration wirings in via holes defined by the display substrate.
    Type: Application
    Filed: October 31, 2016
    Publication date: June 15, 2017
    Inventors: Seunghwa Ha, Euiyun Jang, Donghee Park, Jihoon Oh
  • Patent number: 9401347
    Abstract: A semiconductor device has an interconnect structure with a cavity formed partially through the interconnect structure. A first semiconductor die is mounted in the cavity. A first TSV is formed through the first semiconductor die. An adhesive layer is deposited over the interconnect structure and first semiconductor die. A shielding layer is mounted over the first semiconductor die. The shielding layer is secured to the first semiconductor die with the adhesive layer and grounded through the first TSV and interconnect structure to block electromagnetic interference. A second semiconductor die is mounted to the shielding layer and electrically connected to the interconnect structure. A second TSV is formed through the second semiconductor die. An encapsulant is deposited over the shielding layer, second semiconductor die, and interconnect structure. A slot is formed through the shielding layer for the encapsulant to flow into the cavity and cover the first semiconductor die.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: July 26, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: SinJae Lee, JinGwan Kim, JiHoon Oh, JaeHyun Lim, KyuWon Lee
  • Publication number: 20160209703
    Abstract: A method of manufacturing a display device comprises the steps of: forming a protective film on a first surface of a first base substrate; forming a polarizer including a plurality of wire grid patterns provided on a second surface of the first base substrate facing the first surface; removing the protective film from the first surface; and forming a pixel array layer on the first surface.
    Type: Application
    Filed: October 7, 2015
    Publication date: July 21, 2016
    Inventors: Changok KIM, Taeyoung AHN, Jihoon OH, Sangwook LEE, Kiseong SEO, Junmo IM
  • Publication number: 20160202552
    Abstract: A polarizer includes a substrate; a plurality of metal lines on the substrate, the plurality of metal lines each having a first width and a first height and being spaced apart from and parallel to each other with a first gap therebetween; and a hydrophobic coating layer on the metal line. The polarizer may be directly formed on the substrate, allowing for manufacture of light-weight and thin film structure of display device.
    Type: Application
    Filed: October 20, 2015
    Publication date: July 14, 2016
    Inventors: Taeyoung AHN, Jihoon OH
  • Patent number: 9379064
    Abstract: A semiconductor device is made by forming a heat spreader over a carrier. A semiconductor die is mounted over the heat spreader with a first surface oriented toward the heat spreader. A first insulating layer is formed over the semiconductor die and heat spreader. A via is formed in the first insulating layer. A first conductive layer is formed over the first insulating layer and connected to the heat spreader through the via and to contact pads on the semiconductor die. The heat spreader extends from the first surface of the semiconductor die to the via. A second insulating layer is formed over the first conductive layer. A second conductive layer is electrically connected to the first conductive layer. The carrier is removed. The heat spreader dissipates heat from the semiconductor die and provides shielding from inter-device interference. The heat spreader is grounded through the first conductive layer.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: June 28, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: JiHoon Oh, SinJae Lee, JinGwan Kim
  • Patent number: 9196213
    Abstract: A gate driving circuit includes: a plurality of driving stages configured to apply gate signals to a plurality of pixels of a display panel, one driving stage of the driving stages including: a thin film transistor including a first control electrode, an active part overlapping the first control electrode, an input electrode overlapping the active part, an output electrode overlapping the active part, and a second control electrode on the first control electrode and the active part; and a control voltage generator configured to supply a control voltage determined according to a channel characteristic of the thin film transistor to the second control electrode and to include a voltage generating thin film transistor including an active part having a same channel characteristic as the active part of the thin film transistor.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: CheolKyu Kim, Sanghyun Jeon, Jihoon Oh