Patents by Inventor Yong In Park

Yong In 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: 20100014013
    Abstract: A method for fabricating an LCD device comprising: providing first and second substrates; forming an active area having a source region, a drain region, a channel region, and a storage region on the first substrate; forming a first insulation film on the first substrate; forming a gate electrode, a gate line and a pixel electrode on the first substrate and forming a storage line partially overlapping with the storage region; forming a second insulation film on the first substrate; forming first and second contact holes exposing a portion of the source and drain regions by removing a portion of the first and second insulation films and exposing the pixel electrode by removing the second insulation film on the pixel electrode; and forming a source electrode electrically connected to the source region through the first contact hole and forming a drain electrode electrically connected to the drain region through the second contact hole and partially overlapping with the storage line.
    Type: Application
    Filed: September 21, 2009
    Publication date: January 21, 2010
    Inventors: Yong In Park, Dea Yun Lee
  • Patent number: 7642554
    Abstract: An array substrate for an LCD device and a method of fabricating the same are disclosed. The array substrate includes: a substrate defining a display area and a non-display area; an n-type driving TFT and a p-type driving TFT in the non-display area; a switching TFT in the display region; a storage capacitor in the display region, the storage capacitor including first to third storage layers sequentially layered with intervening insulating layers, wherein the first storage layer contacts a first semiconductor layer under the first storage layer; and a pixel electrode in the display region, the pixel electrode connected to the switching TFT.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: January 5, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Seok-Woo Lee, Yong-In Park
  • Publication number: 20090323009
    Abstract: A method of manufacturing a liquid crystal display device includes attaching a flexible substrate and a base substrate using an adhesive therebetween, the base substrate including substantially pure iron; forming a plurality of thin films on a surface of the flexible substrate attached to the base substrate, the surface of the flexible substrate opposite to the attached surface of the flexible substrate; and etching the base substrate after forming the plurality of thin films.
    Type: Application
    Filed: December 11, 2008
    Publication date: December 31, 2009
    Inventors: Seung Han Paek, Kyoung-Mook Lee, Yong In Park, Choon Ho Park
  • Patent number: 7638801
    Abstract: A method for fabricating an LCD device includes forming an active layer having a source region, a drain region and a channel region on the first substrate; forming first and second conductive layers on the first substrate; forming a gate electrode, a gate line and a pixel electrode by patterning the first and second conductive layers, the gate electrode and the gate line being formed as a dual layer having the first and second conductive layers and the pixel electrode being formed of the first conductive layer; forming a contact hole exposing a portion of the source and drain regions; forming a source and drain electrodes electrically connected to the source and drain regions through the contact hole; and forming a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: December 29, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Yong In Park
  • Patent number: 7632722
    Abstract: A display device includes a substrate having a display region and a driver region; a gate line and a data line crossing each other to define a pixel region in the display region, the pixel region having a pixel electrode; an insulation layer between the gate line and the data line; a first thin film transistor in the display region; and a second thin film transistor having a first polarity and a third thin film transistor having a second polarity in the driver region, wherein the pixel electrode, the gate line and the gate electrodes of the first to third thin film transistors have a double-layer structure in which a metal layer is formed on a transparent conductive layer, and the transparent conductive layer of the pixel electrode is exposed through a transmission hole passing through the insulation layer and the metal layer in the pixel region.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: December 15, 2009
    Assignee: LG Display co., Ltd.
    Inventor: Yong In Park
  • Patent number: 7619286
    Abstract: A poly-silicon liquid crystal display device with an improved aperture ratio and a simplified method of fabricating the same are disclosed. A liquid crystal display device according to the present invention includes first and second substrates; a gate line on the first substrate; a data line crossing the gate line to define a pixel region; a thin film transistor (TFT) near the crossing of the gate and data lines, the TFT having a gate electrode, a source electrode and a drain electrode; a pixel electrode in the pixel region, the pixel electrode having a double-layer structure in which a metal layer is formed on a transparent conductive layer; a black matrix on the second substrate, the black matrix having an aperture portion partially overlapping the pixel electrode and the drain electrode; and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: November 17, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Yong In Park
  • Patent number: 7612836
    Abstract: A method for fabricating an LCD device comprising: providing first and second substrates; forming an active area having a source region, a drain region, a channel region, and a storage region on the first substrate; forming a first insulation film on the first substrate; forming a gate electrode, a gate line and a pixel electrode on the first substrate and forming a storage line partially overlapping with the storage region; forming a second insulation film on the first substrate; forming first and second contact holes exposing a portion of the source and drain regions by removing a portion of the first and second insulation films and exposing the pixel electrode by removing the second insulation film on the pixel electrode; and forming a source electrode electrically connected to the source region through the first contact hole and forming a drain electrode electrically connected to the drain region through the second contact hole and partially overlapping with the storage line.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: November 3, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Yong In Park, Dea Yun Lee
  • Publication number: 20090269872
    Abstract: An array substrate for a liquid crystal display (LCD) device includes a substrate including a display region and a non-display region, a driving circuit in the non-display region, at least a first thin film transistor (TFT) in the display region, a storage capacitor in the display region including a first storage electrode, a second storage electrode, and a third storage electrode, wherein the first storage electrode includes a first semiconductor layer and a counter electrode, and the third storage electrode includes a first transparent electrode pattern and a first metal pattern, a gate line and a data line crossing each other to define a pixel region in the display region, and a pixel electrode connected to the first TFT in the pixel region.
    Type: Application
    Filed: April 17, 2009
    Publication date: October 29, 2009
    Inventors: Seok-Woo LEE, Yong-In PARK
  • Patent number: 7605732
    Abstract: Various systems and methods for analog to digital conversion are disclosed. For example, some embodiments of the present invention provide analog to digital conversion systems. The analog to digital conversion systems include a first integrator and a second integrator, and a first summation element and a second summation element. An output of the first summation element is electrically coupled to the first integrator, and an output of the first integrator is electrically coupled to the second integrator. An output of the second integrator is electrically coupled to the second summation element. The analog to digital conversion systems further include an analog to digital converter that is electrically coupled to the first summation element via a digital to analog converter. An input to the analog to digital conversion system is electrically coupled to the first summation element, and the input is electrically coupled to the second summation element via a kickback filter.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: October 20, 2009
    Assignee: Texas Instruments Incorporated
    Inventors: Wern M. Koe, Yong-In Park
  • Patent number: 7595859
    Abstract: A poly-silicon liquid crystal display and a simplified method of fabricating the same are disclosed. A liquid crystal display device according to the present invention includes first and second substrates having a display region and a driver region; a first sealant overlapping the driver region; and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: September 29, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Yong In Park
  • Publication number: 20090159892
    Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.
    Type: Application
    Filed: December 23, 2008
    Publication date: June 25, 2009
    Inventors: Su Hyuk Kang, Dai Yun Lee, Yong In Park, Young Joo Kim
  • Publication number: 20090140260
    Abstract: A method for fabricating a liquid crystal display (LCD) device comprises forming an active pattern and a data line on a substrate, the active pattern including a source, a drain, and a channel regions; a first insulation film on a portion of the substrate; forming a gate electrode in a portion of the active pattern where the first insulation film is formed; a second insulation film on the substrate; forming a plurality of first contact holes exposing a portion of the source and drain regions and a second contact hole exposing a portion of the data line; forming a source electrode from a transparent conductive material connected to a source region within the respective first contact hole and a data line within the second contact hole; and forming a pixel and a drain electrodes from the transparent conductive material connected to a drain region within the respective first contact hole.
    Type: Application
    Filed: January 15, 2009
    Publication date: June 4, 2009
    Inventors: Joon-Young Yang, Yong-In Park, Sang-Hyun Kim
  • Publication number: 20090134398
    Abstract: An array substrate for an LCD device and a method of fabricating the same are disclosed. The array substrate includes: a substrate defining a display area and a non-display area; an n-type driving TFT and a p-type driving TFT in the non-display area; a switching TFT in the display region; a storage capacitor in the display region, the storage capacitor including first to third storage layers sequentially layered with intervening insulating layers, wherein the first storage layer contacts a first semiconductor layer under the first storage layer; and a pixel electrode in the display region, the pixel electrode connected to the switching TFT.
    Type: Application
    Filed: December 10, 2008
    Publication date: May 28, 2009
    Inventors: Seok-Woo Lee, Yong-In Park
  • Patent number: 7532263
    Abstract: An array substrate for a liquid crystal display (LCD) device includes a substrate including a display region and a non-display region, a driving circuit in the non-display region, at least a first thin film transistor (TFT) in the display region, a storage capacitor in the display region including a first storage electrode, a second storage electrode, and a third storage electrode, wherein the first storage electrode includes a first semiconductor layer and a counter electrode, and the third storage electrode includes a first transparent electrode pattern and a first metal pattern, a gate line and a data line crossing each other to define a pixel region in the display region, and a pixel electrode connected to the first TFT in the pixel region.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: May 12, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Seok-Woo Lee, Yong-In Park
  • Patent number: 7531372
    Abstract: A method of fabricating an array substrate includes forming a buffer layer on a metal substrate, forming a thin film transistor including a gate electrode, a source electrode and a drain electrode on the buffer layer, forming a pixel electrode contacting the drain electrode, removing the metal substrate to expose a lower surface of the buffer layer, and forming a plastic material beneath the buffer layer such that the plastic material contacts the exposed lower surface of the buffer layer.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: May 12, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Hyun-Kyu Lee, Yong-In Park
  • Patent number: 7492432
    Abstract: A thin film transistor substrate of a poly-silicon liquid crystal display device and a simplified method of fabricating the same are disclosed. A liquid crystal display device according to the present invention includes a gate line and a data line connected to a thin film transistor; a gate pad connected to the gate line and a data pad connected to the data line, the data pad having the same cross-sectional structure as the gate pad; and a data link extended from the data pad and connected to the data line via a first contact hole, wherein the data line and the first contact hole are formed inside an area sealed by a sealant.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: February 17, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Yong In Park, Juhn Suk Yoo
  • Patent number: 7488612
    Abstract: A method for fabricating a liquid crystal display (LCD) device comprises forming an active pattern and a data line on a substrate, the active pattern including a source, a drain, and a channel regions; a first insulation film on a portion of the substrate; forming a gate electrode in a portion of the active pattern where the first insulation film is formed; a second insulation film on the substrate; forming a plurality of first contact holes exposing a portion of the source and drain regions and a second contact hole exposing a portion of the data line; forming a source electrode from a transparent conductive material connected to a source region within the respective first contact hole and a data line within the second contact hole; and forming a pixel and a drain electrodes from the transparent conductive material connected to a drain region within the respective first contact hole.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: February 10, 2009
    Assignee: LG Dsiplay Co., Ltd.
    Inventors: Joon-Young Yang, Yong-In Park, Sang-Hyun Kim
  • Patent number: 7482628
    Abstract: An array substrate for an LCD device includes a first TFT including a first semiconductor layer, a first gate electrode, wherein the first gate electrode is directly over the first semiconductor layer; a first protrusion extending from the first gate electrode along an edge of the first semiconductor layer; a second TFT including a second semiconductor layer, a second gate electrode, wherein the second gate electrode is directly over the second semiconductor layer; a second protrusion extending from the second gate electrode along an edge of the second semiconductor layer; a third TFT connected to crossed data and gate lines including a third semiconductor layer, a third gate electrode, wherein the third gate electrode is directly over the third semiconductor layer; a third protrusion extending from the third gate electrode along an edge of the third semiconductor layer; and a pixel electrode.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: January 27, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Su Hyuk Kang, Dai Yun Lee, Yong In Park, Young Joo Kim
  • Patent number: 7474362
    Abstract: Disclosed are liquid crystal display devices having an integrated driving circuit allowing a large area panel to be manufactured. This is achieved through low resistance wiring by forming a second gate wiring with a clad structure on top of a first gate wiring of low resistance without additional mask process.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: January 6, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Yong In Park
  • Patent number: 7473926
    Abstract: An array substrate for an LCD device and a method of fabricating the same are disclosed. The array substrate includes: a substrate defining a display area and a non-display area; an n-type driving TFT and a p-type driving TFT in the non-display area; a switching TFT in the display region; a storage capacitor in the display region, the storage capacitor including first to third storage layers sequentially layered with intervening insulating layers, wherein the first storage layer contacts a first semiconductor layer under the first storage layer; and a pixel electrode in the display region, the pixel electrode connected to the switching TFT.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: January 6, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Seok-Woo Lee, Yong-In Park