Patents by Inventor Su-Hyoung Kang

Su-Hyoung Kang 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: 20160141310
    Abstract: A thin film transistor substrate includes a base substrate, an active pattern disposed on the base substrate, a gate insulation pattern disposed on the active pattern, a gate electrode disposed on the gate insulation pattern and overlapping the channel, and a light-blocking pattern disposed between the base substrate and the active pattern and having a size greater than the active pattern. The active pattern includes a source electrode, a drain electrode, and a channel disposed between the source electrode and the drain electrode.
    Type: Application
    Filed: January 26, 2016
    Publication date: May 19, 2016
    Inventors: Sang-Ho PARK, Su-Hyoung KANG, Dong-Hwan SHIM, Yoon-Ho KHANG, Se-Hwan YU, Min-Jung LEE, Yong-Su LEE
  • Publication number: 20160133348
    Abstract: Provided is a metal wire. The metal wire includes a copper layer, and at least one barrier layer. The barrier layer is disposed on at least one of an upper part and a lower part of the copper layer. The barrier layer includes an alloy including copper, nickel, and zinc.
    Type: Application
    Filed: March 17, 2015
    Publication date: May 12, 2016
    Inventors: Su Hyoung KANG, Sang Woo SOHN, Chang Oh JEONG, Gwang Min CHA
  • Publication number: 20160064571
    Abstract: A thin film transistor including a gate electrode, a semiconductor layer, a gate insulating layer, a source electrode, a drain electrode and a graphene pattern. The semiconductor layer overlaps with the gate electrode. The gate insulating layer is disposed between the gate electrode and the semiconductor layer. The source electrode overlaps with the semiconductor layer. The drain electrode overlaps with the semiconductor layer. The drain electrode is spaced apart from the source electrode. The graphene pattern is disposed between the semiconductor layer and at least one of the source electrode and the drain electrode.
    Type: Application
    Filed: November 12, 2015
    Publication date: March 3, 2016
    Inventors: Yong-Su LEE, Yoon-Ho KHANG, Se-Hwan YU, Su-Hyoung KANG
  • Patent number: 9276086
    Abstract: A thin film transistor substrate includes a base substrate, an active pattern disposed on the base substrate, a gate insulation pattern disposed on the active pattern, a gate electrode disposed on the gate insulation pattern and overlapping the channel, and a light-blocking pattern disposed between the base substrate and the active pattern and having a size greater than the active pattern. The active pattern includes a source electrode, a drain electrode, and a channel disposed between the source electrode and the drain electrode.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: March 1, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Ho Park, Su-Hyoung Kang, Dong-Hwan Shim, Yoon-Ho Khang, Se-Hwan Yu, Min-Jung Lee, Yong-Su Lee
  • Patent number: 9268170
    Abstract: An array substrate includes; a substrate, a gate line and a data line disposed on the substrate, a thin film transistor (“TFT”) electrically connected to the gate line and the data line, a light blocking member disposed on the substrate and a first color filter and a second color filter disposed on the substrate. The light blocking member covers a portion of the first color filter and the second color filter covers a portion of the light blocking member.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung-Duk Yang, Eun-Guk Lee, Se-Hwan Yu, Kyoung-Tai Han, Su-Hyoung Kang, Kyung-Sook Jeon
  • Patent number: 9252284
    Abstract: A display substrate and a method for manufacturing a display substrate are disclosed. In the method, a gate electrode is formed on a base substrate. An active pattern is formed using an oxide semiconductor. The active pattern partially overlaps the gate electrode. A first insulation layer pattern and a second insulation layer pattern are sequentially formed on the active pattern. The first insulation layer pattern and the second insulation layer pattern overlap the gate electrode. A third insulation layer is formed to cover the active pattern, the first insulation layer pattern and the second insulation layer pattern. Either the first insulation layer pattern or the second insulation layer pattern includes aluminum oxide. Forming the first insulation layer pattern and the second insulation layer pattern includes performing a backside exposure process using the gate electrode as an exposure mask.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: February 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Chan Lee, Yoon-Ho Khang, Su-Hyoung Kang, Dong-Jo Kim, Ji-Seon Lee, Myoung-Geun Cha, Deuk-Myung Ji
  • Patent number: 9219085
    Abstract: A thin film transistor array panel and a manufacturing method capable of forming an insulating layer made of different materials for a portion contacting an oxide semiconductor and a second portion without an additional process. Source and drain electrodes of the thin film transistor each include a lower layer and an upper layer. A first passivation layer contacts the lower layer of the source and drain electrodes but does not contact the upper layer of the source and drain electrodes, and a second passivation layer is disposed on the upper layer of the source and drain electrodes. The first passivation layer may be made of silicon oxide, and the second passivation may be made of silicon nitride.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: December 22, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Hyoung Kang, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na
  • Publication number: 20150171114
    Abstract: A thin film transistor and a display device having the thin film transistor capable of reducing the voltage between the source and drain electrodes of the thin film transistor are disclosed. One inventive aspect includes a gate electrode, a semiconductor pattern, a source electrode and a drain electrode. The source and drain electrodes are formed on the semiconductor pattern and spaced apart from each other. At least one of the source electrode and the drain electrode does not overlap the gate electrode.
    Type: Application
    Filed: May 15, 2014
    Publication date: June 18, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan CHO, Su-Hyoung Kang, Yoon Ho Khang, Young Ki Shin, Myoung Geun Cha
  • Patent number: 9057923
    Abstract: A wire is provided on an insulating substrate to have a first thickness in a first area and a second thickness smaller than the first thickness in a second area except for the first area. A display apparatus includes the wire. The wire is formed by forming a first conductive layer and a second conductive layer on the insulating substrate and etching the first and second conductive layers using photoresist layer patterns having different thicknesses.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chong Sup Chang, Yoonho Khang, Changoh Jeong, Sehwan Yu, Sangho Park, Su-Hyoung Kang, Hyungjun Kim, Honglong Ning, Jinho Hwang, Myounggeun Cha, Youngki Shin
  • Publication number: 20150162420
    Abstract: A thin film transistor substrate includes a base substrate, an active pattern disposed on the base substrate, a gate insulation pattern disposed on the active pattern, a gate electrode disposed on the gate insulation pattern and overlapping the channel, and a light-blocking pattern disposed between the base substrate and the active pattern and having a size greater than the active pattern. The active pattern includes a source electrode, a drain electrode, and a channel disposed between the source electrode and the drain electrode.
    Type: Application
    Filed: February 17, 2015
    Publication date: June 11, 2015
    Inventors: Sang-Ho PARK, Su-Hyoung KANG, Dong-Hwan SHIM, Yoon-Ho KHANG, Se-Hwan YU, Min-Jung LEE, Yong-Su LEE
  • Patent number: 9025118
    Abstract: A display substrate includes a base substrate, a switching element, a gate line, a data line and a pixel electrode. Each of the gate line and the data line includes a first metal layer, and a second metal layer directly on the first metal layer. The switching element is on the base substrate, and includes a control electrode and an input electrode or an output electrode. The control electrode includes the first metal layer and excludes the second metal layer, and extends from the gate line. The input electrode or the output electrode includes a second metal layer and excludes the first metal layer. The input electrode extends from the data line. The pixel electrode is electrically connected to the output electrode of the switching element through a first contact hole, and includes a transparent conductive layer.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Kyu Lee, Yoon-Ho Khang, Se-Hwan Yu, Cheol-Kyu Kim, Yong-Su Lee, Chong-Sup Chang, Sang-Ho Park, Su-Hyoung Kang, Hyun-Jae Na, Young-Ki Shin
  • Publication number: 20150108481
    Abstract: A thin film transistor includes a bottom gate electrode, a top gate electrode and an active pattern. The top gate electrode includes a transparent conductive material and overlaps with the bottom gate electrode. A boundary of the bottom gate electrode and a boundary of the top gate electrode are coincident with each other in a cross-sectional view. The active pattern includes a source portion, a drain portion and a channel portion disposed between the source portion and the drain portion. The channel portion overlaps with the bottom gate electrode and the top gate electrode.
    Type: Application
    Filed: August 5, 2014
    Publication date: April 23, 2015
    Inventors: YOON-HO KHANG, DONG-JO KIM, SU-HYOUNG KANG, YONG-SU LEE
  • Publication number: 20150102336
    Abstract: A thin film transistor includes a semiconductor pattern formed on a substrate, the semiconductor pattern being formed of an oxide semiconductor and including a source area, a drain area, and an intermediate area that is formed between the source area and the drain area and includes a plurality of first areas and a second area having higher conductivity than the first areas; a first insulating pattern formed to cover at least the first areas; a second insulating film formed to face the second area, the source area and the drain area; a gate electrode formed on the semiconductor pattern and insulated from the semiconductor pattern by the first insulating pattern and the second insulating film; and source and drain electrodes insulated from the gate electrode and being in contact with the source area and the drain area.
    Type: Application
    Filed: March 3, 2014
    Publication date: April 16, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Su-Hyoung Kang, Seung-Hwan Cho, Yoon-Ho Khang, Jong-Chan Lee
  • Publication number: 20150060843
    Abstract: A display substrate and a method for manufacturing a display substrate are disclosed. In the method, a gate electrode is formed on a base substrate. An active pattern is formed using an oxide semiconductor. The active pattern partially overlaps the gate electrode. A first insulation layer pattern and a second insulation layer pattern are sequentially formed on the active pattern. The first insulation layer pattern and the second insulation layer pattern overlap the gate electrode. A third insulation layer is formed to cover the active pattern, the first insulation layer pattern and the second insulation layer pattern. Either the first insulation layer pattern or the second insulation layer pattern includes aluminum oxide. Forming the first insulation layer pattern and the second insulation layer pattern includes performing a backside exposure process using the gate electrode as an exposure mask.
    Type: Application
    Filed: February 18, 2014
    Publication date: March 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong-Chan LEE, Yoon-Ho Khang, Su-Hyoung Kang, Dong-Jo Kim, Ji-Seon Lee, Myoung-Geun Cha, Deuk-Myung Ji
  • Patent number: 8963154
    Abstract: A thin film transistor substrate includes a base substrate, an active pattern disposed on the base substrate, a gate insulation pattern disposed on the active pattern, a gate electrode disposed on the gate insulation pattern and overlapping the channel, and a light-blocking pattern disposed between the base substrate and the active pattern and having a size greater than the active pattern. The active pattern includes a source electrode, a drain electrode, and a channel disposed between the source electrode and the drain electrode.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: February 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Ho Park, Su-Hyoung Kang, Dong-Hwan Shim, Yoon-Ho Khang, Se-Hwan Yu, Min-Jung Lee, Yong-Su Lee
  • Publication number: 20150021602
    Abstract: A thin film transistor array panel and a manufacturing method capable of forming an insulating layer made of different materials for a portion contacting an oxide semiconductor and a second portion without an additional process. Source and drain electrodes of the thin film transistor each include a lower layer and an upper layer. A first passivation layer contacts the lower layer of the source and drain electrodes but does not contact the upper layer of the source and drain electrodes, and a second passivation layer is disposed on the upper layer of the source and drain electrodes. The first passivation layer may be made of silicon oxide, and the second passivation may be made of silicon nitride.
    Type: Application
    Filed: October 7, 2014
    Publication date: January 22, 2015
    Inventors: Su-Hyoung KANG, Yoon Ho KHANG, Dong Jo KIM, Hyun Jae NA
  • Publication number: 20140349426
    Abstract: An array substrate includes; a substrate, a gate line and a data line disposed on the substrate, a thin film transistor (“TFT”) electrically connected to the gate line and the data line, a light blocking member disposed on the substrate and a first color filter and a second color filter disposed on the substrate. The light blocking member covers a portion of the first color filter and the second color filter covers a portion of the light blocking member.
    Type: Application
    Filed: August 11, 2014
    Publication date: November 27, 2014
    Inventors: Byung-Duk YANG, Eun-Guk LEE, Se-Hwan YU, Kyoung-Tai HAN, Su-Hyoung KANG, Kyung-Sook JEON
  • Patent number: 8884286
    Abstract: A switching element includes an active pattern including a channel portion, a source portion connected to the channel portion, and a drain portion connected to the channel portion, the source portion, a gate electrode overlapping the channel portion of the active pattern, a gate insulation layer disposed between the channel portion of the active pattern and the gate electrode, a source electrode disposed on the source portion of the active pattern to make ohmic contact with the source portion, and a drain electrode disposed on the drain portion of the active pattern to make ohmic contact with the drain portion. The drain portion and the channel portion of the active pattern include the same or substantially the same material.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Su Lee, Su-Hyoung Kang, Yoon-Ho Khang, Hyun-Jae Na, Sang-Ho Park, Se-Hwan Yu, Myoung-Geun Cha
  • Patent number: 8884291
    Abstract: A thin film transistor array panel and a manufacturing method capable of forming an insulating layer made of different materials for a portion contacting an oxide semiconductor and a second portion without an additional process. The thin film transistor array panel includes: a gate electrode; a source electrode and a drain electrode spaced apart from each other, each of the source and drain electrodes comprising a lower layer and an upper layer; an insulating layer disposed between the gate electrode and the source and drain electrodes; a semiconductor, the source electrode and the drain electrode being electrically connected to the semiconductor; a first passivation layer contacting the lower layer of the source and drain electrodes but not contacting the upper layer of the source and drain electrodes; and a second passivation layer disposed on the upper layer of the source and drain electrodes.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Hyoung Kang, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na
  • Patent number: 8841668
    Abstract: An array substrate includes; a substrate, a gate line and a data line disposed on the substrate, a thin film transistor (“TFT”) electrically connected to the gate line and the data line, a light blocking member disposed on the substrate and a first color filter and a second color filter disposed on the substrate. The light blocking member covers a portion of the first color filter and the second color filter covers a portion of the light blocking member.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung-Duk Yang, Eun-Guk Lee, Se-Hwan Yu, Kyoung-Tai Han, Su-Hyoung Kang, Kyung-Sook Jeon