Patents by Inventor Chul Sang Shin

Chul Sang Shin 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: 20230197003
    Abstract: An electroluminescent display apparatus includes a plurality of pixels that each include a driving element including a first gate electrode connected to a first gate node, a second gate electrode facing the first gate electrode, a source electrode connected to a source node, and a drain electrode, a light emitting device connected between the source node and an input terminal for a low level driving voltage to emit light during an emission period, and an internal compensation circuit including a first capacitor connected to the first gate node and the source node. The internal compensation circuit samples a threshold voltage of the driving element during a sampling period that precedes the emission period. A sampling reinforcement voltage for increasing a sampling current flowing in the driving element is applied to the second gate electrode of the driving element during the sampling period.
    Type: Application
    Filed: October 14, 2022
    Publication date: June 22, 2023
    Inventors: Jin Her, Hoon Jeong, Chul Sang Shin
  • Patent number: 9323116
    Abstract: A pixel of an LCD device includes a gate line, a data line intersecting with the gate line, a gate insulation layer between the data line and the gate line, a thin film transistor formed at an intersection of the gate line and the data line, a planarization layer, a common electrode formed on the planarization layer, a pixel electrode formed over the common electrode, and an insulation layer between the common electrode and the pixel electrode. The common electrode is formed with groove extending along a region where the data line extends. Material of the common electrode is absent from the groove to reduce capacitance between the common electrode and the data line.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: April 26, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Hyun You, Chul Sang Shin
  • Publication number: 20150062522
    Abstract: A pixel of an LCD device includes a gate line, a data line intersecting with the gate line, a gate insulation layer between the data line and the gate line, a thin film transistor formed at an intersection of the gate line and the data line, a planarization layer, a common electrode formed on the planarization layer, a pixel electrode formed over the common electrode, and an insulation layer between the common electrode and the pixel electrode. The common electrode is formed with groove extending along a region where the data line extends. Material of the common electrode is absent from the groove to reduce capacitance between the common electrode and the data line.
    Type: Application
    Filed: July 14, 2014
    Publication date: March 5, 2015
    Inventors: Jae Hyun YOU, Chul Sang SHIN
  • Patent number: 7646461
    Abstract: A liquid crystal display device and a method for manufacturing the same are disclosed which are capable of preventing occurrence of contact errors between pads of gate or data lines and pad electrodes. The liquid crystal display device includes a signal line and a signal line pad arranged in one direction, an insulating film formed on the signal line and the signal line pad, the insulating film including at least one contact hole, through which a predetermined portion of the signal line pad is exposed, and a pad electrode formed on the insulating film, and electrically connected with the signal line pad via the at least one contact hole. The insulating film includes inner side walls defining the at least one contact hole, and at least one of the inner side walls has a slope gentler than a slope of the remaining inner side walls.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: January 12, 2010
    Assignee: LG. Display Co., Ltd.
    Inventors: Chul Sang Shin, Eun Hong Kim
  • Patent number: 7616268
    Abstract: A liquid crystal display panel according to an embodiment of the present invention includes a first shorting bar inspecting a signal line in a non-display area of a first substrate; a second shorting bar inspecting the signal line in the non-display area of the inspected first substrate attached to a second substrate; a first shorting line connected to at least one of the signal lines and the first and second shorting bars; and a second shorting line connected the second shorting bar with the remaining signal line except the signal line connected to the first shorting line.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: November 10, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Yeung Kwak, Chul Sang Shin
  • Patent number: 7532268
    Abstract: An array substrate for a liquid crystal display device and manufacturing method thereof is disclosed in the present invention. The liquid crystal display having an array substrate includes a substrate, a gate line and a data line on the substrate, the gate line and the data line crossing each other and defining a pixel area, a thin film transistor electrically connected to the gate line and the data line, and including a gate electrode connected to the gate line, a source electrode over the gate electrode and connected to the data line, a drain electrode spaced apart from the source electrode, and a semiconductor layer having an active layer over the gate electrode and a first extended portion completely covered with the drain electrode at a boundary between the active electrode and the first extended portion, wherein the first extended portion is disposed over the gate electrode, and a pixel electrode in the pixel region and connected to the drain electrode.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: May 12, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Jin-Tae Kim, Chul-Sang Shin
  • Patent number: 7403257
    Abstract: An LCD device includes a pixel part, formed on a substrate, where a plurality of gate lines and data lines are arranged perpendicular to each other and a plurality of pixels are formed. A terminal has active pads formed on a substrate which communicate a signal to respective ones of the gate lines and data lines of the pixel part. The terminal also has dummy pads formed adjacent to the active pads a transparent material is adjacent or over the dummy pads so as to check a pressed state of conductive balls. A drive IC having a terminal with pads electrically connected one-to-one to the pads of active pads formed on the substrate through the conductive balls, so s to supply a gate signal and/or a data signal to the respective gate line and/or data line.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: July 22, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Chul-Sang Shin, Deok-Nyoung Kim
  • Patent number: 7245342
    Abstract: An array substrate for a liquid crystal display device includes a gate line on a substrate having a display region and a non-display region, wherein the non-display region is about a periphery of the display region and the gate line includes a gate pad disposed in the non-display region at one end of the gate line, a data line crossing the gate line, wherein the data line includes a data pad disposed in the non-display region at one end of the data line, a thin film transistor connected to the gate line and the data line, a passivation layer over the gate line and the data line, a pixel electrode on the passivation layer in the display region, a first conductive pattern on the passivation layer in the non-display region and an orientation film on the first conductive pattern.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: July 17, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Chul-Sang Shin, Gyo-Won Chin
  • Publication number: 20060223206
    Abstract: An array substrate for a liquid crystal display device and manufacturing method thereof is disclosed in the present invention. The liquid crystal display having an array substrate includes a substrate, a gate line and a data line on the substrate, the gate line and the data line crossing each other and defining a pixel area, a thin film transistor electrically connected to the gate line and the data line, and including a gate electrode connected to the gate line, a source electrode over the gate electrode and connected to the data line, a drain electrode spaced apart from the source electrode, and a semiconductor layer having an active layer over the gate electrode and a first extended portion completely covered with the drain electrode at a boundary between the active electrode and the first extended portion, wherein the first extended portion is disposed over the gate electrode, and a pixel electrode in the pixel region and connected to the drain electrode.
    Type: Application
    Filed: May 25, 2006
    Publication date: October 5, 2006
    Inventors: Jin-Tae Kim, Chul-Sang Shin
  • Patent number: 7084934
    Abstract: An array substrate for a liquid crystal display device includes a thin film transistor electrically connected to a gate line and a data line, and including a gate electrode connected to the gate line, a source electrode over the gate electrode and connected to the data line, a drain electrode spaced apart from the source electrode, and a semiconductor layer having an active layer over the gate electrode and a first extended portion completely covered with the drain electrode at a boundary between the active electrode and the first extended portion.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: August 1, 2006
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Jin-Tae Kim, Chul-Sang Shin
  • Patent number: 7023514
    Abstract: A liquid crystal display device includes a first substrate, a plurality of gate and data lines formed crossing each other on the first substrate to define a plurality of pixel areas, an insulating layer formed on the plurality of gate and data lines, a plurality of pixel electrodes formed within the plurality of pixel areas, a plurality of separators formed on the insulating layer between the plurality of pixel electrodes, and a second substrate facing the first substrate.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: April 4, 2006
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Chul Sang Shin, Gyo Won Chin
  • Publication number: 20050099565
    Abstract: An LCD device includes a pixel part, formed on a substrate, where a plurality of gate lines and data lines are arranged perpendicular to each other and a plurality of pixels are formed. A terminal has active pads formed on a substrate which communicate a signal to respective ones of the gate lines and data lines of the pixel part. The terminal also has dummy pads formed adjacent to the active pads a transparent material is adjacent or over the dummy pads so as to check a pressed state of conductive balls. A drive IC having a terminal with pads electrically connected one-to-one to the pads of active pads formed on the substrate through the conductive balls, so s to supply a gate signal and/or a data signal to the respective gate line and/or data line.
    Type: Application
    Filed: September 28, 2004
    Publication date: May 12, 2005
    Inventors: Chul-Sang Shin, Deok-Nyoung Kim
  • Publication number: 20040095519
    Abstract: An array substrate for a liquid crystal display device and manufacturing method thereof is disclosed in the present invention. The liquid crystal display having an array substrate includes a substrate, a gate line and a data line on the substrate, the gate line and the data line crossing each other and defining a pixel area, a thin film transistor electrically connected to the gate line and the data line, and including a gate electrode connected to the gate line, a source electrode over the gate electrode and connected to the data line, a drain electrode spaced apart from the source electrode, and a semiconductor layer having an active layer over the gate electrode and a first extended portion completely covered with the drain electrode at a boundary between the active electrode and the first extended portion, wherein the first extended portion is disposed over the gate electrode, and a pixel electrode in the pixel region and connected to the drain electrode.
    Type: Application
    Filed: June 26, 2003
    Publication date: May 20, 2004
    Applicant: LG. Philips LCD Co., Ltd.
    Inventors: Jin-Tae Kim, Chul-Sang Shin
  • Publication number: 20030122977
    Abstract: A liquid crystal display device includes a first substrate, a plurality of gate and data lines formed crossing each other on the first substrate to define a plurality of pixel areas, an insulating layer formed on the plurality of gate and data lines, a plurality of pixel electrodes formed within the plurality of pixel areas, a plurality of separators formed on the insulating layer between the plurality of pixel electrodes, and a second substrate facing the first substrate.
    Type: Application
    Filed: November 13, 2002
    Publication date: July 3, 2003
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Chul Sang Shin, Gyo Won Chin
  • Publication number: 20030122982
    Abstract: An array substrate for a liquid crystal display device includes a gate line on a substrate having a display region and a non-display region, wherein the non-display region is about a periphery of the display region and the gate line includes a gate pad disposed in the non-display region at one end of the gate line, a data line crossing the gate line, wherein the data line includes a data pad disposed in the non-display region at one end of the data line, a thin film transistor connected to the gate line and the data line, a passivation layer over the gate line and the data line, a pixel electrode on the passivation layer in the display region, a first conductive pattern on the passivation layer in the non-display region and an orientation film on the first conductive pattern.
    Type: Application
    Filed: December 9, 2002
    Publication date: July 3, 2003
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Chul-Sang Shin, Gyo-Won Chin