Patents by Inventor Beom-Seok Cho

Beom-Seok 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: 20060102907
    Abstract: The present invention provides a thin film transistor array panel comprising an insulating substrate; a gate line formed on the insulating substrate; a gate insulating layer formed on the gate line; a drain electrode and a data line having a source electrode formed on the gate insulating layer, the drain electrode being adjacent to the source electrode with a gap therebetween; and a pixel electrode coupled to the drain electrode, wherein at least one of the gate line, the data line, and the drain electrode comprises a first conductive layer comprising a conductive oxide and a second conductive layer comprising copper (Cu).
    Type: Application
    Filed: September 16, 2005
    Publication date: May 18, 2006
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je-Hun Lee, Yang-Ho Bae, Beom-Seok Cho, Chang-Oh Jeong
  • Publication number: 20060097265
    Abstract: Disclosed is a thin film transistor array panel comprising an insulating substrate and a gate line formed on the insulating substrate. The gate line includes a first metal layer that contains aluminum (Al), a first cover layer formed on the gate line and a gate insulating layer formed on the cover layer. A semiconductor layer is provided on a predetermined portion of the gate insulating layer and a data line is formed on the gate insulating layer and the semiconductor layer. The semiconductor layer includes a source electrode, a drain electrode spaced apart from the source electrode by a predetermined distance. A pixel electrode connected to the electrode is provided.
    Type: Application
    Filed: November 9, 2005
    Publication date: May 11, 2006
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Oh Jeong, Beom-Seok Cho
  • Publication number: 20060091396
    Abstract: The invention provides a thin film transistor (TFT) array panel that includes an insulating substrate; a gate line formed on the insulating substrate and having a first layer of an Al containing metal, a second layer of a Cu containing metal that is thicker than the first layer, and a gate electrode; a gate insulating layer arranged on the gate line; a semiconductor arranged on the gate insulating layer; a data line having a source electrode and arranged on the gate insulating layer and the semiconductor; a drain electrode arranged on the gate insulating layer and the semiconductor and facing the source electrode; a passivation layer having a contact hole and arranged on the data line and the drain electrode; and a pixel electrode arranged on the passivation layer and coupled with the drain electrode through the contact hole.
    Type: Application
    Filed: October 14, 2005
    Publication date: May 4, 2006
    Inventors: Je-Hun Lee, Yang-Ho Bae, Beom-Seok Cho, Chang-Oh Jeong
  • Publication number: 20060076562
    Abstract: The present invention provides a thin film transistor array panel comprising: an insulating substrate; a gate line formed on the insulating substrate and having a gate electrode; a gate insulating layer formed on the gate line; a semiconductor formed on the gate insulating layer and overlapping the gate electrode; diffusion barriers formed on the semiconductor and containing nitrogen; a data line crossing the gate line and having a source electrode partially contacting the diffusion barriers; a drain electrode partially contacting the diffusion barriers and facing the source electrode at on the gate electrode; and a pixel electrode electrically connected to the drain electrode.
    Type: Application
    Filed: August 29, 2005
    Publication date: April 13, 2006
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je-Hun Lee, Beom-Seok Cho, Chang-Oh Jeong, Joo-Han Kim
  • Publication number: 20060050192
    Abstract: The present invention provides a TFT array panel and a manufacturing method of the same, which has signal lines including a lower layer of an Al containing metal and an upper layer of a molybdenum alloy (Mo-alloy) comprising molybdenum (Mo) and at least one of niobium (Nb), vanadium (V), and titanium (Ti). Accordingly, undercut, overhang, and mouse bites which may arise in an etching process, are prevented, and TFT array panels that have signal lines having low resistivity and good contact characteristics are provided.
    Type: Application
    Filed: July 12, 2005
    Publication date: March 9, 2006
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Beom-Seok Cho, Yang-Ho Bae, Je-Hun Lee, Chang-Oh Jeong
  • Publication number: 20050285251
    Abstract: Multi-layered wiring for a larger flat panel display is formed by depositing molybdenum on a substrate in presence of a precursor gas containing at least one oxygen, nitrogen and carbon to form a molybdenum layer. An aluminum layer is deposited on the molybdenum layer. Another metal layer may be formed on the aluminum layer. The molybdenum layer has a face-centered cubic (FCC) lattice structure with a preferred orientation of (111).
    Type: Application
    Filed: February 4, 2005
    Publication date: December 29, 2005
    Inventors: Je-Hun Lee, Jae-Kyeong Lee, Chang-Oh Jeong, Beom-Seok Cho
  • Patent number: 6969889
    Abstract: A thin film transistor array panel includes an insulating substrate, a gate wire formed on the insulating substrate. A gate insulating layer covers the gate wire. A semiconductor pattern is formed on the gate insulating layer. A data wire having source electrodes, drain electrodes and data lines is formed on the gate insulating layer and the semiconductor pattern. A protective layer is formed on the data wire. Pixel electrodes connected to the drain electrode via contact holes are formed on the protective layer. The gate wire and the data wire include triple layers of an adhesion layer, a Ag containing layer and a protection layer. The adhesion layer includes one of Cr, Cr alloy, Ti, Ti alloy, Mo, Mo alloy, Ta, Ta alloy, the Ag containing layer includes Ag or Ag alloy, and the protection layer includes one of IZO, Mo, Mo alloy, Cr and Cr alloy.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: November 29, 2005
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Beom-Seok Cho, Chang-Oh Jeong
  • Publication number: 20050242401
    Abstract: A thin film transistor array panel includes an insulating substrate, a gate wire formed on the insulating substrate. A gate insulating layer covers the gate wire. A semiconductor pattern is formed on the gate insulating layer. A data wire having source electrodes, drain electrodes and data lines is formed on the gate insulating layer and the semiconductor pattern. A protective layer is formed on the data wire. Pixel electrodes connected to the drain electrode via contact holes are formed on the protective layer. The gate wire and the data wire include triple layers of an adhesion layer, a Ag containing layer and a protection layer. The adhesion layer includes one of Cr, Cr alloy, Ti, Ti alloy, Mo, Mo alloy, Ta and Ta alloy, the Ag containing layer includes Ag or Ag alloy, and the protection layer includes one of IZO, Mo, Mo alloy, Cr and Cr alloy.
    Type: Application
    Filed: June 29, 2005
    Publication date: November 3, 2005
    Inventors: Beom-Seok Cho, Chang-Oh Jeong
  • Publication number: 20050221546
    Abstract: A method of manufacturing a thin film transistor array panel including forming a gate line on a substrate, forming a gate insulating layer on the gate line, forming a semiconductor layer on the gate insulating layer, forming a data line and a drain electrode on the semiconductor layer, depositing a passivation layer on the data line and the drain electrode, forming a photoresist including a first portion and a second portion, which is thinner than the first portion, on the passivation layer, etching the passivation layer using the photoresist as a mask to expose a portion of the drain electrode, removing the second portion of the photoresist, depositing a conductive film, and removing the first portion of the photoresist to form a pixel electrode on the exposed portion of the drain electrode.
    Type: Application
    Filed: March 18, 2005
    Publication date: October 6, 2005
    Inventors: Woo-Geun Lee, Beom-Seok Cho, Je-Hun Lee, Chang-Oh Jeong, Sang-Gab Kim, Min-Seok Oh, Young-Wook Lee, Hee-Hwan Choe
  • Publication number: 20040238886
    Abstract: A thin film transistor array panel includes an insulating substrate, a gate wire formed on the insulating substrate. A gate insulating layer covers the gate wire. A semiconductor pattern is formed on the gate insulating layer. A data wire having source electrodes, drain electrodes and data lines is formed on the gate insulating layer and the semiconductor pattern. A protective layer is formed on the data wire. Pixel electrodes connected to the drain electrode via contact holes are formned on the protective layer. The gate wire and the data wire are made of Ag alloy containing Ag and an additive including at least one selected from Zn, In, Sn and Cr.
    Type: Application
    Filed: December 23, 2003
    Publication date: December 2, 2004
    Inventors: Jae-Gab Lee, Bong-Joo Kang, Beom-Seok Cho, Chang-Oh Jeong
  • Publication number: 20040232443
    Abstract: A thin film transistor array panel includes an insulating substrate, a gate wire formed on the insulating substrate. A gate insulating layer covers the gate wire. A semiconductor pattern is formed on the gate insulating layer. A data wire having source electrodes, drain electrodes and data lines is formed on the gate insulating layer and the semiconductor pattern. A protective layer is formed on the data wire. Pixel electrodes connected to the drain electrode via contact holes are formed on the protective layer. The ,ate wire and the data wire include triple layers of an adhesion layer, a Ag containing layer and a protection layer. The adhesion layer includes one of Cr, Cr alloy, Ti, Ti alloy, Mo, Mo alloy, Ta, Ta alloy, the Ag containing layer includes Ag or Ag alloy, and the protection layer includes one of IZO, Mo, Mo alloy, Cr and Cr alloy.
    Type: Application
    Filed: October 23, 2003
    Publication date: November 25, 2004
    Inventors: Beom-Seok Cho, Chang-Oh Jeong
  • Patent number: 6716660
    Abstract: According to one aspect of the present invention, the thin film transistor array substrate basically includes a gate line assembly based on an Ag alloy. The Ag alloy comprises Ag and at least one of alloy elements and the alloy elements each bearing a low melting point. The gate line assembly comprises a gate electrode and a gate line. A data line assembly crosses over the gate line assembly while being insulated from the gate line assembly. The data line assembly comprises a source electrode, a drain electrode and a data line. A semiconductor layer contacts the source electrode and the drain electrode. The semiconductor layer forms a thin film transistor together with the gate electrode, the source electrode and the drain electrode. A pixel electrode is connected to the drain electrode.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: April 6, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Oh Jeong, Jae-Gab Lee, Beom-Seok Cho
  • Publication number: 20030020170
    Abstract: According to one aspect of the present invention, the thin film transistor array substrate basically includes a gate line assembly based on an Ag alloy. The Ag alloy comprises Ag and at least one of alloy elements and the alloy elements each bearing a low melting point. The gate line assembly comprises a gate electrode and a gate line. A data line assembly crosses over the gate line assembly while being insulated from the gate line assembly. The data line assembly comprises a source electrode, a drain electrode and a data line. A semiconductor layer contacts the source electrode and the drain electrode. The semiconductor layer forms a thin film transistor together with the gate electrode, the source electrode and the drain electrode. A pixel electrode is connected to the drain electrode.
    Type: Application
    Filed: September 20, 2002
    Publication date: January 30, 2003
    Inventors: Chang-Oh Jeong, Jae-Gab Lee, Beom-Seok Cho
  • Patent number: 6486514
    Abstract: According to one aspect of the present invention, the thin film transistor array substrate basically includes a gate line assembly based on an Ag alloy. The Ag alloy comprises Ag and at least one of alloy elements and the alloy elements each bearing a low melting point. The gate line assembly comprises a gate electrode and a gate line. A data line assembly crosses over the gate line assembly while being insulated from the gate line assembly. The data line assembly comprises a source electrode, a drain electrode and a data line. A semiconductor layer contacts the source electrode and the drain electrode. The semiconductor layer forms a thin film transistor together with the gate electrode, the source electrode and the drain electrode. A pixel electrode is connected to the drain electrode.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: November 26, 2002
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Oh Jeong, Jae-Gab Lee, Beom-Seok Cho
  • Publication number: 20020033484
    Abstract: According to one aspect of the present invention, the thin film transistor array substrate basically includes a gate line assembly based on an Ag alloy. The Ag alloy comprises Ag and at least one of alloy elements and the alloy elements each bearing a low melting point. The gate line assembly comprises a gate electrode and a gate line. A data line assembly crosses over the gate line assembly while being insulated from the gate line assembly. The data line assembly comprises a source electrode, a drain electrode and a data line. A semiconductor layer contacts the source electrode and the drain electrode. The semiconductor layer forms a thin film transistor together with the gate electrode, the source electrode and the drain electrode. A pixel electrode is connected to the drain electrode.
    Type: Application
    Filed: July 31, 2001
    Publication date: March 21, 2002
    Inventors: Chang-Oh Jeong, Jae-Gab Lee, Beom-Seok Cho