Patents by Inventor Ji-Won Sohn

Ji-Won Sohn 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: 20060220019
    Abstract: A liquid crystal display including: a panel; a first electric field generating electrode formed on the panel; a second electric field generating electrode opposed to the first electric field generating electrode; a liquid crystal layer disposed between the first electric field generating electrode and the second electric field generating electrode; a slope member formed on the panel and including a ridge and a slope; and a plurality of hollows formed in a cut portion of the second electric field generating electrode.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 5, 2006
    Inventors: Ji-Won Sohn, Nak-Cho Choi, Jae-Jin Lyu
  • Publication number: 20060215098
    Abstract: A liquid crystal display is provided. The liquid crystal display includes: a first substrate, a first electric field generating electrode which is located on the first substrate and which has a plurality of cut portions, a direction control electrode located on the first substrate and overlapping at least one of the cut portions, a second substrate facing the first substrate, a second electric field generating electrode located on the second substrate and opposite to the first electric field generating electrode. The liquid crystal display further includes a liquid crystal layer interposed between the first electric field generating electrode and the second electric field generating electrode, and a slope member located on one of the first and second substrate and having a ridge and a slope. The ridge corresponds to the direction control electrode.
    Type: Application
    Filed: March 23, 2006
    Publication date: September 28, 2006
    Inventors: Nak-Cho Choi, Ji-Won Sohn, Chong-Chul Chai, Hee-Seop Kim
  • Publication number: 20060209242
    Abstract: A liquid crystal display includes: a panel; an electric field generating electrode formed on the panel; and a sloped member formed on the panel. The sloped member has a ridge and a slope, wherein at least one singular portion is formed in the ridge.
    Type: Application
    Filed: March 1, 2006
    Publication date: September 21, 2006
    Inventors: Ji-Won Sohn, Nak-Cho Choi, Jae-Jin Lyu
  • Publication number: 20060176255
    Abstract: A liquid crystal display (“LCD”) includes a plurality of gate lines, a plurality of data lines intersecting the gate lines, a plurality of switching elements connected to the gate lines and the data lines, a plurality of storage electrodes, a plurality of storage electrode lines connected to the storage electrodes, a plurality of pixel electrodes connected to the switching elements and overlapping the storage electrodes, a gate driver generating gate signals having a gate-on voltage and a gate-off voltage to apply to the gate lines, a data driver generating data voltages corresponding to externally applied image signals to apply to the data lines, and a storage electrode driver generating storage electrode signals having a reference voltage, a high voltage larger than the reference voltage, and a low voltage smaller than the reference voltage to apply to the storage electrode lines.
    Type: Application
    Filed: February 7, 2006
    Publication date: August 10, 2006
    Inventors: Hee-Wook Do, Ji-Won Sohn, Nak-Cho Choi, Jianang Lu, Hak-Sun Chang, Chang-Hun Lee
  • Publication number: 20060071927
    Abstract: A liquid crystal display is provided, which includes: a plurality of pixels; a gray voltage generator generating a plurality of gray voltages; an image signal modifier that receives first, second, and third image signals for a pixel in three successive frames, generates a preliminary signal for the second image signal based on the first image signal, and generates a modified signal for the second image signal based on the preliminary signal and the third image signal; and a data driver converting the modified signal into a data voltage selected from the gray voltages and applying the data voltage to the pixel, wherein a range of the gray voltages is substantially equal to a range of target voltages for obtaining target luminance of the pixel, and a highest available value for the modified signal is equal to a highest available value of the image signals.
    Type: Application
    Filed: September 30, 2005
    Publication date: April 6, 2006
    Inventors: Hak-Sun Chang, Ji-Won Sohn, Nak-Cho Choi, Hyun-Wuk Kim, Chang-Hun Lee, Jae-Jin Lyu
  • Publication number: 20060038952
    Abstract: A liquid crystal display is provided, which includes: a first substrate; a first signal line disposed on the first substrate; a second signal line disposed on the first substrate and intersecting the first signal line; a thin film transistor coupled with the first and the second signal lines; a pixel electrode coupled with the thin film transistor; a second substrate facing the first substrate; a common electrode arranged on the second substrate; a liquid crystal layer arranged between the first substrate and the second substrate; a first tilt direction determining member arranged on the first substrate; and a second tilt direction determining member arranged on the first substrate, wherein the first tilt direction determining member is about 15 microns to about 20 microns apart from the second tilt direction determining member.
    Type: Application
    Filed: August 18, 2005
    Publication date: February 23, 2006
    Inventors: Hak-Sun Chang, Ji-Won Sohn, Nak-Cho Choi, Hyun-Wuk Kim, Chang-Hun Lee, Jae-Jin Lyu
  • Publication number: 20050185107
    Abstract: A thin film transistor array panel may comprise gate lines including gate electrodes and storage electrode lines including storage electrodes that are formed on the insulating substrate, a semiconductor layer formed on the gate insulating layer covering the gate lines, data lines and drain electrodes which are formed on the gate insulating layer, the drain lines including source electrodes formed at least on the semiconductor layer and intersecting the gate lines to define pixel areas, and the drain electrodes being separated from the data lines and opposite to the data lines with respect to the gate electrodes and including a storage capacitor conductor overlapping the storage electrodes. Pixel electrodes and common electrodes may be formed on the passivation layer for covering the semiconductor layer. The pixel electrodes and the common electrodes may be neither perpendicular to nor parallel to the data lines and may be made of opaque conductive material.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 25, 2005
    Inventors: Byeong-Seob Ban, Eun-Hee Han, Chang-Hun Lee, Hyun-Wuk Kim, Ji-Won Sohn
  • Publication number: 20050162598
    Abstract: A liquid crystal display is provided, which includes: a substrate; a field-generating electrode formed on the substrate; and a slope member formed on the substrate and having an inclination angle smaller than about 45 degrees.
    Type: Application
    Filed: December 3, 2004
    Publication date: July 28, 2005
    Inventors: Nak-Cho Choi, Jae-Jin Lyu, Chang-Hun Lee, Dong-Ki Lee, Hak-Sun Chang, Soo-Jin Kim, Hee-Wook Do, Lujian Gang, Ji-Won Sohn, Mee-Hye Jung, Il-Kook Huh