Patents by Inventor Yong Chan Park

Yong Chan Park 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: 20180004056
    Abstract: Disclosed are an in-cell touch liquid crystal display (LCD) device based on a twisted nematic (TN) mode, a method of manufacturing the same, a method of manufacturing a thin film transistor (TFT) array substrate, and a method of manufacturing a color filter array substrate. The TFT array substrate includes a TFT disposed in a pixel area defined by an intersecting gate line and data line, a conductive line disposed on the TFT, and a transparent conductive layer in electrical contact with the conductive line. The color filter array substrate includes a light shield layer, a color filter, an overcoat layer covering the light shield layer and the color filter, a column spacer disposed on the overcoat layer, and a common electrode disposed on the overcoat layer and the column spacer, where the conductive line supplies the common electrode with a common voltage or a touch driving signal.
    Type: Application
    Filed: August 29, 2017
    Publication date: January 4, 2018
    Inventors: Yong Chan PARK, Jin Seong KIM, Seung Kyeom KIM
  • Patent number: 9778529
    Abstract: Disclosed are an in-cell touch liquid crystal display (LCD) device based on a twisted nematic (TN) mode, a method of manufacturing the same, a method of manufacturing a thin film transistor (TFT) array substrate, and a method of manufacturing a color filter array substrate. The TFT array substrate includes a TFT disposed in a pixel area defined by an intersecting gate line and data line, a conductive line disposed on the TFT, and a transparent conductive layer in electrical contact with the conductive line. The color filter array substrate includes a light shield layer, a color filter, an overcoat layer covering the light shield layer and the color filter, a column spacer disposed on the overcoat layer, and a common electrode disposed on the overcoat layer and the column spacer, where the conductive line supplies the common electrode with a common voltage or a touch driving signal.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: October 3, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Chan Park, Jin Seong Kim, Seung Kyeom Kim
  • Patent number: 9766764
    Abstract: Disclosed is a touch sensitive display apparatus which decreases a load of each of a plurality of touch electrodes and reduces a load deviation between the plurality of touch electrodes, thereby enhancing image quality. The touch sensitive display apparatus comprises a touch sensitive panel. The touch panel comprises a plurality of touch electrodes comprising at least a first touch electrode. The first touch electrode comprises a plurality of first touch electrode lines that are parallel to each other. A first touch signal line is connected to the plurality of first touch electrode lines of the first touch electrode, and the first touch electrode is driven for image display and touch sensing via the first touch signal line. A first connecting line is in a different layer than the first touch electrode lines, and the first connecting line is connected to the plurality of first touch electrode lines.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: September 19, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Ju Han Kim, Yong Chan Park, Jin Seong Kim, Seung Kyeom Kim
  • Publication number: 20170083139
    Abstract: Disclosed is a touch sensitive display apparatus which decreases a load of each of a plurality of touch electrodes and reduces a load deviation between the plurality of touch electrodes, thereby enhancing image quality. The touch sensitive display apparatus comprises a touch sensitive panel. The touch panel comprises a plurality of touch electrodes comprising at least a first touch electrode. The first touch electrode comprises a plurality of first touch electrode lines that are parallel to each other. A first touch signal line is connected to the plurality of first touch electrode lines of the first touch electrode, and the first touch electrode is driven for image display and touch sensing via the first touch signal line. A first connecting line is in a different layer than the first touch electrode lines, and the first connecting line is connected to the plurality of first touch electrode lines.
    Type: Application
    Filed: December 1, 2016
    Publication date: March 23, 2017
    Inventors: Ju Han KIM, Yong Chan PARK, Jin Seong KIM, Seung Kyeom KIM
  • Patent number: 9524064
    Abstract: Disclosed is a display device with integrated touch screen. The display device includes a plurality of receiving electrodes formed in a block type and in parallel with a plurality of data lines, a driving electrode group configured to include a plurality of driving electrodes that are respectively disposed between the plurality of receiving electrodes, a plurality of receiving electrode lines respectively connected to the plurality of receiving electrodes, a plurality of driving electrode lines configured to extend from the respective driving electrodes to the first non-display area, a driving IC configured to apply a common voltage or a driving pulse to the plurality of receiving electrode lines and the plurality of driving electrode lines, and a plurality of driving dummy lines formed at a plurality of pixels, covered by a corresponding driving electrode, in a direction parallel to the plurality of driving electrode lines.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: December 20, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Tae Hwan Kim, Yong Chan Park, Sang Soo Hwang
  • Patent number: 9489076
    Abstract: A touch display device comprises a controller to generate a touch sync signal for controlling timing of a touch sensing period and a display period. A touch panel has a plurality of touch electrodes in a display area of the touch display device. The touch panel generates touch sensing signals indicating whether or not a touch occurs during the touch sensing period. A gate driver supplies gate pulses to gate lines of the touch panel during the display period and supplies a gate line auxiliary drive signal from the first transfer line onto the gate lines during the touch sensing period that mimics the touch drive signal. One or more auxiliary lines supply a supplemental auxiliary drive signal during the touch sensing period that mimics the touch drive signal.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 8, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Chan Park, Ju-Han Kim, Sung-Chul Kim, Hoon-Bae Kim
  • Publication number: 20160274704
    Abstract: Disclosed is a display apparatus which facilitates to improve touch sensitivity by decreasing parasitic capacitance between a common electrode and gate/data lines, and decreasing delay on touch sensing and displaying driving, wherein the display apparatus may include a lower panel including a pixel electrode; an upper panel including the common electrode, wherein the common electrode together with the pixel electrode forms an electric field for displaying an image for a displaying driving mode, and the common electrode senses a capacitance change in accordance with a user's touch for a touch sensing mode; and a liquid crystal layer of VA mode formed between the lower and upper panels, and changed in accordance with the electric field between the pixel and common electrodes.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Inventors: Tae Hwan KIM, Yong Chan PARK, Sang Soo HWANG, Jin Woo PARK
  • Publication number: 20160224155
    Abstract: Disclosed is a touch sensitive display apparatus which decreases a load of each of a plurality of touch electrodes and reduces a load deviation between the plurality of touch electrodes, thereby enhancing image quality. The touch sensitive display apparatus comprises a touch sensitive panel. The touch panel comprises a plurality of touch electrodes comprising at least a first touch electrode. The first touch electrode comprises a plurality of first touch electrode lines that are parallel to each other. A first touch signal line is connected to the plurality of first touch electrode lines of the first touch electrode, and the first touch electrode is driven for image display and touch sensing via the first touch signal line. A first connecting line is in a different layer than the first touch electrode lines, and the first connecting line is connected to the plurality of first touch electrode lines.
    Type: Application
    Filed: December 30, 2015
    Publication date: August 4, 2016
    Inventors: Ju Han Kim, Yong Chan Park, Jin Seong Kim, Seung Kyeom Kim
  • Patent number: 9377913
    Abstract: Disclosed is a display apparatus which facilitates to improve touch sensitivity by decreasing parasitic capacitance between a common electrode and gate/data lines, and decreasing delay on touch sensing and displaying driving, wherein the display apparatus may include a lower panel including a pixel electrode; an upper panel including the common electrode, wherein the common electrode together with the pixel electrode forms an electric field for displaying an image for a displaying driving mode, and the common electrode senses a capacitance change in accordance with a user's touch for a touch sensing mode; and a liquid crystal layer of VA mode formed between the lower and upper panels, and changed in accordance with the electric field between the pixel and common electrodes.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: June 28, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae Hwan Kim, Yong Chan Park, Sang Soo Hwang, Jin Woo Park
  • Publication number: 20160124280
    Abstract: Disclosed are an in-cell touch liquid crystal display (LCD) device based on a twisted nematic (TN) mode, a method of manufacturing the same, a method of manufacturing a thin film transistor (TFT) array substrate, and a method of manufacturing a color filter array substrate. The TFT array substrate includes a TFT disposed in a pixel area defined by an intersecting gate line and data line, a conductive line disposed on the TFT, and a transparent conductive layer in electrical contact with the conductive line. The color filter array substrate includes a light shield layer, a color filter, an overcoat layer covering the light shield layer and the color filter, a column spacer disposed on the overcoat layer, and a common electrode disposed on the overcoat layer and the column spacer, where the conductive line supplies the common electrode with a common voltage or a touch driving signal.
    Type: Application
    Filed: October 16, 2015
    Publication date: May 5, 2016
    Inventors: Yong Chan PARK, Jin Seong KIM, Seung Kyeom KIM
  • Publication number: 20160098134
    Abstract: A touch display device comprises a controller to generate a touch sync signal for controlling timing of a touch sensing period and a display period. A touch panel has a plurality of touch electrodes in a display area of the touch display device. The touch panel generates touch sensing signals indicating whether or not a touch occurs during the touch sensing period. A gate driver supplies gate pulses to gate lines of the touch panel during the display period and supplies a gate line auxiliary drive signal from the first transfer line onto the gate lines during the touch sensing period that mimics the touch drive signal. One or more auxiliary lines supply a supplemental auxiliary drive signal during the touch sensing period that mimics the touch drive signal.
    Type: Application
    Filed: December 10, 2015
    Publication date: April 7, 2016
    Inventors: Yong-Chan Park, Ju-Han Kim, Sung-Chul Kim, Hoon-Bae Kim
  • Patent number: 9274639
    Abstract: A touch display device comprises a controller to generate a touch sync signal for controlling timing of a touch sensing period and a display period. A touch panel has a plurality of touch electrodes in a display area of the touch display device. The touch panel generates touch sensing signals indicating whether or not a touch occurs during the touch sensing period. A gate driver supplies gate pulses to gate lines of the touch panel during the display period and supplies a gate line auxiliary drive signal from the first transfer line onto the gate lines during the touch sensing period that mimics the touch drive signal. One or more auxiliary lines supply a supplemental auxiliary drive signal during the touch sensing period that mimics the touch drive signal.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: March 1, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Chan Park, Ju-Han Kim, Sung-Chul Kim, Hoon-Bae Kim
  • Publication number: 20160026312
    Abstract: A touch display device comprises a controller to generate a touch sync signal for controlling timing of a touch sensing period and a display period. A touch panel has a plurality of touch electrodes in a display area of the touch display device. The touch panel generates touch sensing signals indicating whether or not a touch occurs during the touch sensing period. A gate driver supplies gate pulses to gate lines of the touch panel during the display period and supplies a gate line auxiliary drive signal from the first transfer line onto the gate lines during the touch sensing period that mimics the touch drive signal. One or more auxiliary lines supply a supplemental auxiliary drive signal during the touch sensing period that mimics the touch drive signal.
    Type: Application
    Filed: May 12, 2015
    Publication date: January 28, 2016
    Inventors: Yong-Chan PARK, Ju-Han KIM, Sung-Chul KIM, Hoon-Bae KIM
  • Publication number: 20140210774
    Abstract: Disclosed is a display apparatus which facilitates to improve touch sensitivity by decreasing parasitic capacitance between a common electrode and gate/data lines, and decreasing delay on touch sensing and displaying driving, wherein the display apparatus may include a lower panel including a pixel electrode; an upper panel including the common electrode, wherein the common electrode together with the pixel electrode forms an electric field for displaying an image for a displaying driving mode, and the common electrode senses a capacitance change in accordance with a user's touch for a touch sensing mode; and a liquid crystal layer of VA mode formed between the lower and upper panels, and changed in accordance with the electric field between the pixel and common electrodes.
    Type: Application
    Filed: December 24, 2013
    Publication date: July 31, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Tae Hwan Kim, Yong Chan Park, Sang Soo Hwang, Jin Woo Park
  • Publication number: 20140118277
    Abstract: Disclosed is a display device with integrated touch screen. The display device includes a plurality of receiving electrodes formed in a block type and in parallel with a plurality of data lines, a driving electrode group configured to include a plurality of driving electrodes that are respectively disposed between the plurality of receiving electrodes, a plurality of receiving electrode lines respectively connected to the plurality of receiving electrodes, a plurality of driving electrode lines configured to extend from the respective driving electrodes to the first non-display area, a driving IC configured to apply a common voltage or a driving pulse to the plurality of receiving electrode lines and the plurality of driving electrode lines, and a plurality of driving dummy lines formed at a plurality of pixels, covered by a corresponding driving electrode, in a direction parallel to the plurality of driving electrode lines.
    Type: Application
    Filed: October 23, 2013
    Publication date: May 1, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Tae Hwan Kim, Yong Chan Park, Sang Soo Hwang
  • Patent number: 8360692
    Abstract: Provided is an apparatus for transferring slurry, which is used to transfer minerals from the bottom of the sea to the ground; and, more particularly, to an apparatus for transferring slurry, which can efficiently transfer the slurry in the state of a solid-liquid mixture containing the minerals without clogging of a transfer pipe.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: January 29, 2013
    Assignee: Korea Institute of Geoscience and Minderal Resources (KIGAM)
    Inventors: Chi-Ho Yoon, Young-Ju Kim, Yong-Chan Park, Young-Kyu Hwang
  • Patent number: 8330928
    Abstract: A pad of a liquid crystal display and a method for manufacturing the same are disclosed. The pad of the liquid crystal display includes an IC substrate and a lower substrate opposite each other, an IC pad metal formed on the IC substrate, a bump formed on the IC substrate to come into contact with the IC pad metal, a first transparent electrode electrically connected with the IC pad metal, an interlayer insulating layer formed between the IC pad metal and the first transparent electrode, a gate pad metal formed on the lower substrate, a second transparent electrode electrically connected with the gate pad metal, a gate insulating layer formed between the gate pad metal and the second transparent electrode, and a conductive ball to electrically connect the first transparent electrode and the second transparent electrode to each other.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: December 11, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Kyoung Moon Lim, Yong Chan Park, So Haeng Cho
  • Patent number: 8256846
    Abstract: Disclosed herein is a lifting pipe which is used in a manganese nodule mining system including a collection device for collecting deep-sea manganese nodules and a lifting pump and which has a structure in which dimples are formed on the surface of the lifting pipe so as to reduce drag so that the lifting pipe is less influenced by flows of ocean current. The dimpled lifting pipe includes dimples that are formed on the outer circumferential surface of the dimpled lifting pipe, so that turbulent flows are generated, thereby reducing drag caused by ocean currents of a deep sea.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: September 4, 2012
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Chi-Ho Yoon, Jong-Myung Park, Yong-Chan Park
  • Publication number: 20120039668
    Abstract: A geological gas storage system and a method of detecting gas leakage from the geological gas storage system by using pressure monitoring, the geological gas storage system including: a formation structure including a reservoir formed of a permeable rock material in deep onshore/offshore formations, an impermeable cap rock layer formed above the reservoir, and an upper permeable formation formed of a permeable rock material above the cap rock layer; a hollow casing inserted in inner walls of the gas injection well bored from the ground to the reservoir and including a portion disposed at the same depth as a depth of the reservoir in which a plurality of gas injection holes are perforated in a circumferential direction of the casing; and a pressure sensor disposed at the same depth as a depth of the upper permeable formation and detecting pressure of the upper permeable formation.
    Type: Application
    Filed: August 5, 2011
    Publication date: February 16, 2012
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES(KIGAM)
    Inventors: Yong-Chan PARK, Dae-Gee HUH
  • Publication number: 20100180972
    Abstract: Disclosed herein is a lifting pipe which is used in a manganese nodule mining system including a collection device for collecting deep-sea manganese nodules and a lifting pump and which has a structure in which dimples are formed on the surface of the lifting pipe so as to reduce drag so that the lifting pipe is less influenced by flows of ocean current. The dimpled lifting pipe includes dimples that are formed on the outer circumferential surface of the dimpled lifting pipe, so that turbulent flows are generated, thereby reducing drag caused by ocean currents of a deep sea.
    Type: Application
    Filed: April 24, 2009
    Publication date: July 22, 2010
    Applicant: Korea Institute of Geoscience And Mineral Resources
    Inventors: Chi-Ho YOON, Jong-Myung PARK, Yong-Chan PARK