Patents by Inventor Hee Kwack

Hee Kwack 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: 20080094534
    Abstract: A liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer between the first and second substrates. The liquid crystal display device further includes a gate line on the first substrate, a first insulation film on the gate line, a data line crossing the gate line such that the data line and the gate line define a pixel region with a transmission area and a reflection area, a thin film transistor connected to the gate line and the data line, a storage capacitor including a storage line crossing the data line and an upper storage electrode connected to the thin film transistor, a second insulation film on the thin film transistor with a transmission hole defined through the second insulation film, a reflection electrode disposed on the second insulation film in the reflection area and connected to a portion of the upper storage electrode through the transmission hole, and a pixel electrode disposed in the pixel region and connected to the reflection electrode.
    Type: Application
    Filed: December 17, 2007
    Publication date: April 24, 2008
    Inventors: Tae Jung, Ji Lee, Hee Kwack
  • Publication number: 20070273804
    Abstract: A thin film transistor array substrate includes a gate line provided on a substrate, a data line crossing the gate line to define a pixel area, a gate insulating film between the gate line and the data line at the crossing of the gate line and data line, a thin film transistor adjacent to the crossing of the gate line and the data line, a protective film covering the thin film transistor, a pixel electrode on the pixel area and electrically connected to a drain electrode of the thin film transistor, a gate pad connected to the gate line, a data pad connected to the data line, a lower data link electrode connected to the data line, an upper data link electrode connected to the data line and overlapping one end of the lower data link electrode, and a link electrode connecting the lower data link electrode via a first contact hole passing through the protective film and the gate insulating film at a first area of the substrate in which the protective film is directly provided on the gate insulating film.
    Type: Application
    Filed: December 18, 2006
    Publication date: November 29, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Hee Kwack, Seung Heo
  • Publication number: 20060145161
    Abstract: A liquid crystal display device according to the present invention includes a gate line on a substrate; a data line crossing the gate line with a gate insulating film to define a pixel area; a thin film transistor connected to the gate line and the data line; a semiconductor pattern overlapped along the data line; a double layer passivation film covering the data line and the thin film transistor, wherein layers of the passivation film have different etching rates; and a pixel electrode formed in a pixel hole penetrating an upper passivation film of the double layer passivation film and connected to a drain electrode of the thin film transistor exposed through a drain contact hole, the pixel electrode forming a border with the upper passivation film surrounding the pixel hole.
    Type: Application
    Filed: November 9, 2005
    Publication date: July 6, 2006
    Inventors: Ji No Lee, Hee Kwack, Chang Lee
  • Publication number: 20060138428
    Abstract: A liquid crystal display device, including: a gate line on a substrate; a data line crossing the gate line with a gate insulating film therebetween to define a pixel area; a thin film transistor connected to the gate line and the data line; a semiconductor pattern which forms a channel of the thin film transistor and overlaps along the data line; a passivation film covering the data line and the thin film transistor; and a pixel electrode on the gate insulating film in a pixel hole of the pixel area that penetrates the passivation film and connected to the thin film transistor, the pixel electrode on an inclined side surface of the passivation film to encompass the pixel hole, to form a border with the passivation film and having a thickness that decreases as it goes up the side surface of the passivation film.
    Type: Application
    Filed: December 2, 2005
    Publication date: June 29, 2006
    Inventors: Byung Ahn, Joo Lim, Ji Lee, Hee Kwack
  • Publication number: 20050270452
    Abstract: A liquid crystal display device is provided that comprises a gate line; a first insulating film on the gate line; a data line crossing the gate line to define a pixel region, the pixel region having a transmissive area and a reflective area; a thin film transistor connected to the gate line and the data line; a pixel electrode formed in the pixel region ; a second insulating film on the thin film transistor; a storage capacitor including a storage upper electrode overlapping the gate line; a transmission hole exposing at least a portion of the pixel electrode, and a reflective electrode formed in the reflective area of the pixel region, the reflective electrode connecting the pixel electrode with thin film transistor and the storage upper electrode, wherein the gate line and the pixel electrode include a first transparent conductive layer.
    Type: Application
    Filed: June 2, 2005
    Publication date: December 8, 2005
    Inventors: Byung Ahn, Tae Jung, Ji Lee, Hee Kwack
  • Publication number: 20050269638
    Abstract: A base thin film transistor (TFT) substrate includes a substrate, array areas on the substrate; at least one dummy area on the substrate and between the array areas; an insulating film on the substrate; at least one aperture through the insulating film and arranged within the at least one dummy area; and at least one post arranged within the at least one aperture.
    Type: Application
    Filed: June 3, 2005
    Publication date: December 8, 2005
    Inventors: Tae Jung, Ji Lee, Hee Kwack
  • Publication number: 20050270434
    Abstract: A TFT substrate having a storage capacitor with an increased capacitance and aperture ratio, and a simplified method of fabricating the same, includes gate and data lines crossing each other to define pixel areas; a gate insulating film between the gate and data lines; TFTs connected to the gate and data lines; a semiconductor pattern defining a channel of the TFTs and overlapped by the data lines; a passivation film covering the data lines and the TFTs; and at least one pixel electrode connected to a TFT and provided within a pixel hole that is arranged within a pixel area. The pixel hole is formed through the passivation film and partially through the gate insulating film. Further, a storage capacitor includes a portion of the pixel electrode that overlaps with an underlying gate line with a portion of the gate insulating film that defines the pixel hole.
    Type: Application
    Filed: June 3, 2005
    Publication date: December 8, 2005
    Inventors: Tae Jung, Ji Lee, Hee Kwack
  • Publication number: 20050270453
    Abstract: A liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer between the first and second substrates.
    Type: Application
    Filed: June 3, 2005
    Publication date: December 8, 2005
    Inventors: Tae Jung, Ji Lee, Hee Kwack
  • Publication number: 20050078233
    Abstract: A TFT array substrate is fabricated in a reduced number of processes. The TFT array substrate includes gate and data pads with enlarged contact areas to facilitate contact with an inspecting pin of an inspection device. An LCD incorporating the TFT array substrate is inspected by contacting the inspecting pin to the gate and data pads. The TFT array substrate includes first, second, and third conductive pattern groups. The first conductive pattern group includes a gate electrode, a gate line, and a lower gate pad electrode. The second conductive pattern group includes source and drain electrodes, a data line, and a lower data pad electrode. The third conductive pattern group includes a pixel electrode, and upper gate and data pad electrodes. A semiconductor pattern is along and beneath the second conductive pattern group. Gate insulating and protective film patterns are at areas not occupied by the third conductive pattern group.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 14, 2005
    Inventors: Byoung Lim, Soon Yoo, Chang Lee, Seung Nam, Jae Oh, Hong Kim, Hee Kwack