Patents by Inventor Dae Lim Park

Dae Lim 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).

  • Patent number: 9823503
    Abstract: Disclosed is a touch screen liquid crystal display device (LCD) that includes a first substrate that includes a plurality of pixels defined by crossings of gate lines and data lines, each pixel including a thin film transistor; a second substrate that includes a color filter and a black matrix; a liquid crystal layer between the first substrate and the second substrate; a plurality of gap column spacers on the second substrate and contacting the first substrate; a press column spacer on the second substrate and spaced apart from the first substrate; and a third substrate attached to the second substrate, wherein the plurality of gap column spacers have a density of 0.05% to 0.11% with respect to a display region of the first substrate.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: November 21, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Jun-Yeob Lee, Dae-Lim Park, Sang-Bum Ko
  • Publication number: 20160033804
    Abstract: Disclosed is a touch screen liquid crystal display device (LCD) that includes a first substrate that includes a plurality of pixels defined by crossings of gate lines and data lines, each pixel including a thin film transistor; a second substrate that includes a color filter and a black matrix; a liquid crystal layer between the first substrate and the second substrate; a plurality of gap column spacers on the second substrate and contacting the first substrate; a press column spacer on the second substrate and spaced apart from the first substrate; and a third substrate attached to the second substrate, wherein the plurality of gap column spacers have a density of 0.05% to 0.11% with respect to a display region of the first substrate.
    Type: Application
    Filed: July 28, 2015
    Publication date: February 4, 2016
    Inventors: Jun-Yeob Lee, Dae-Lim Park, Sang-Bum Ko
  • Patent number: 8669600
    Abstract: A liquid crystal display device includes a gate electrode formed on a substrate; a active pattern and an ohmic contact pattern formed to overlap with the gate electrode with a gate insulating film therebetween; a source electrode formed on the active pattern and the ohmic contact; a drain electrode formed to oppose the source electrode; a pixel electrode overlapped with the drain electrode and directly contacted with the drain electrode; a common electrode formed to overlap with the pixel electrode with a passivation film therebetween and having a plurality of holes; and wherein the plurality of holes of the common electrode are only formed on a region in which the pixel electrode is formed.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: March 11, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Il Park, Dae Lim Park
  • Patent number: 8379177
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a substrate including a display region and a non-display; a gate line on the substrate and in the display region; a common pad on the substrate and in the non-display region; a gate insulating layer on the gate line and the common pad; a data line on the gate insulating layer and crossing the gate line to define a pixel region in the display region; a thin film transistor connected to the gate and data lines; a first passivation layer on the data line and the thin film transistor; a common electrode on the first passivation layer and covering an entire surface of the display region; a second passivation layer on the common electrode; and a pixel electrode on the second passivation layer and having a plate shape in each pixel region.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: February 19, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Bo-Young Jung, In-Duk Song, Sung-Il Park, Dae-Lim Park
  • Patent number: 8373833
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a plurality of gate lines on a substrate; a gate insulating layer on the plurality of gate lines; a plurality of data lines crossing the plurality of gate lines to define a plurality of pixel regions; a thin film transistor electrically connected to the gate and data lines in each pixel region; a pixel electrode having a plate shape in each pixel region, and connected to a portion of the thin film transistor; a first passivation layer on the pixel electrode and over the thin film transistor; and a common electrode on the first passivation layer and having a plurality of openings of a bar shape in each pixel region, wherein a center portion of each opening overlaps the pixel electrode, and both ends along a major axis of each opening protrude beyond the pixel electrode.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: February 12, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Moo Song, In-Ho Hwang, Dae-Lim Park, Ki-Hyun Lyu
  • Publication number: 20120218488
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a plurality of gate lines on a substrate; a gate insulating layer on the plurality of gate lines; a plurality of data lines crossing the plurality of gate lines to define a plurality of pixel regions; a thin film transistor electrically connected to the gate and data lines in each pixel region; a pixel electrode having a plate shape in each pixel region, and connected to a portion of the thin film transistor; a first passivation layer on the pixel electrode and over the thin film transistor; and a common electrode on the first passivation layer and having a plurality of openings of a bar shape in each pixel region, wherein a center portion of each opening overlaps the pixel electrode, and both ends along a major axis of each opening protrude beyond the pixel electrode.
    Type: Application
    Filed: March 2, 2012
    Publication date: August 30, 2012
    Inventors: Sang-Moo Song, In-Ho Hwang, Dae-Lim Park, Ki-Hyun Lyu
  • Patent number: 8248553
    Abstract: A LOG-type liquid crystal display panel and a fabricating method thereof that reduces a line resistance of a LOG-type signal line group within the confined area. In the panel, a picture display part has a plurality of liquid crystal cells, each of which is arranged at each crossing area between gate lines and data lines. Line on glass type signal lines are provided at an outer area of the picture display part by a line on glass system to apply driving signals required for driver integrated circuits for driving the gate lines and the data lines and to connect the driver integrated circuits to each other. The line on glass type signal lines are separately provided at different metal layers having an insulating film therebetween.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: August 21, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Dae Lim Park, Seong Soo Hwang, Su Hwan Moon
  • Patent number: 8154696
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a plurality of gate lines on a substrate; a gate insulating layer on the plurality of gate lines; a plurality of data lines on the gate insulating layer and crossing the plurality of gate lines to define a plurality of pixel regions; a thin film transistor electrically connected to the gate and data lines and in each pixel region; a pixel electrode having a plate shape and in the each pixel region, the pixel electrode connected to a portion of the thin film transistor; a first passivation layer on the pixel electrode and over the thin film transistor; and a common electrode on the first passivation layer and having a plurality of openings of a bar shape in the each pixel region, each of the openings having a major axis along the data line and a minor axis along the gate line, wherein a center portion of each opening overlaps the pixel electrode, and both ends along the major axis of each opening protrude beyond the pix
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: April 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Moo Song, In-Ho Hwang, Dae-Lim Park, Ki-Hyun Lyu
  • Publication number: 20120018731
    Abstract: A liquid crystal display device includes a gate electrode formed on a substrate; a active pattern and an ohmic contact pattern formed to overlap with the gate electrode with a gate insulating film therebetween; a source electrode formed on the active pattern and the ohmic contact; a drain electrode formed to oppose the source electrode; a pixel electrode overlapped with the drain electrode and directly contacted with the drain electrode; a common electrode formed to overlap with the pixel electrode with a passivation film therebetween and having a plurality of holes; and wherein the plurality of holes of the common electrode are only formed on a region in which the pixel electrode is formed.
    Type: Application
    Filed: September 16, 2011
    Publication date: January 26, 2012
    Inventors: Sung Il PARK, Dae Lim Park
  • Patent number: 8030104
    Abstract: A method for manufacturing a liquid crystal display device is disclosed.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: October 4, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Il Park, Dae Lim Park
  • Patent number: 7986381
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line elongated in one direction, a data line crossing over the gate line, a thin film transistor near a crossing point of the gate and data lines and connected to the gate and data lines, an independent portion under the data line at the crossing point, the portion being separated from the gate line, and a pixel electrode connected to the thin film transistor. The independent portion may be inside the gate line. The parasitic capacitor between the gate line and the data line can be reduced and the amount of light from the backlight device can be reduced.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: July 26, 2011
    Assignee: LG Display Co, Ltd.
    Inventors: Dae-Lim Park, Seong-Soo Hwang, Young-Sik Kim, Soo-Hwan Moon
  • Publication number: 20110080549
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a substrate including a display region and a non-display; a gate line on the substrate and in the display region; a common pad on the substrate and in the non-display region; a gate insulating layer on the gate line and the common pad; a data line on the gate insulating layer and crossing the gate line to define a pixel region in the display region; a thin film transistor connected to the gate and data lines; a first passivation layer on the data line and the thin film transistor; a common electrode on the first passivation layer and covering an entire surface of the display region; a second passivation layer on the common electrode; and a pixel electrode on the second passivation layer and having a plate shape in each pixel region.
    Type: Application
    Filed: August 13, 2010
    Publication date: April 7, 2011
    Inventors: Bo-Young JUNG, In-Duk SONG, Sung-Il PARK, Dae-Lim PARK
  • Publication number: 20090322975
    Abstract: An array substrate for a fringe field switching mode liquid crystal display device includes a plurality of gate lines on a substrate; a gate insulating layer on the plurality of gate lines; a plurality of data lines on the gate insulating layer and crossing the plurality of gate lines to define a plurality of pixel regions; a thin film transistor electrically connected to the gate and data lines and in each pixel region; a pixel electrode having a plate shape and in the each pixel region, the pixel electrode connected to a portion of the thin film transistor; a first passivation layer on the pixel electrode and over the thin film transistor; and a common electrode on the first passivation layer and having a plurality of openings of a bar shape in the each pixel region, each of the openings having a major axis along the data line and a minor axis along the gate line, wherein a center portion of each opening overlaps the pixel electrode, and both ends along the major axis of each opening protrude beyond the pix
    Type: Application
    Filed: December 23, 2008
    Publication date: December 31, 2009
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sang-Moo Song, In-Ho Hwang, Dae-Lim Park, Ki-Hyun Lyu
  • Patent number: 7554630
    Abstract: An LCD device with improved an aperture ratio and decreased parasitic capacitance has a passivation layer of an inorganic material and which includes a gate line on a first substrate; a gate insulating layer on an entire surface of the first substrate including the gate line; a data line on the gate insulating layer in perpendicular to the gate line, to define a pixel region; a thin film transistor at a crossing portion of the gate and data lines; a passivation layer on the entire surface of the first substrate including the thin film transistor; a pixel electrode on the passivation layer, for being connected with a drain electrode of the thin film transistor; and a light-shielding metal for receiving a voltage, formed between the data line and the pixel electrode, to prevent a parasitic capacitance between the data line and the pixel electrode.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: June 30, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Keuk Sang Kwon, Dae Lim Park, Seong Soo Hwang, Sung Gu Kang, Jong Hwae Lee, Bung Goo Kim, Jong A Choi
  • Publication number: 20090081820
    Abstract: A method for manufacturing a liquid crystal display device is disclosed.
    Type: Application
    Filed: August 21, 2008
    Publication date: March 26, 2009
    Inventors: Sung Il Park, Dae Lim Park
  • Publication number: 20080211982
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line elongated in one direction, a data line crossing over the gate line, a thin film transistor near a crossing point of the gate and data lines and connected to the gate and data lines, an independent portion under the data line at the crossing point, the portion being separated from the gate line, and a pixel electrode connected to the thin film transistor. The independent portion may be inside the gate line. The parasitic capacitor between the gate line and the data line can be reduced. And amount of light from the backlight device can be reduced.
    Type: Application
    Filed: February 4, 2008
    Publication date: September 4, 2008
    Inventors: Dae-Lim Park, Seong-Soo Hwang, Young-Sik Kim, Soo-Hwan Moon
  • Patent number: 7349038
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line elongated in one direction, a data line crossing over the gate line, a thin film transistor near a crossing point of the gate and data lines and connected to the gate and data lines, an independent portion under the data line at the crossing point, the portion being separated from the gate line, and a pixel electrode connected to the thin film transistor. The independent portion may be inside the gate line. The parasitic capacitor between the gate line and the data line can be reduced. And amount of light from the backlight device can be reduced.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: March 25, 2008
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Dae-Lim Park, Seong-Soo Hwang, Young-Sik Kim, Soo-Hwan Moon
  • Patent number: 7271787
    Abstract: A liquid crystal display panel includes a first substrate, an image display part formed on the first substrate and having a plurality of pixels arranged thereon, a plurality of gate and source drivers for supplying signals to the pixels, a controller for supplying control signals to the gate and source drivers, at least one conductive line at a corner portion of the first substrate, the conductive line connecting the controller and the gate drivers, and a plurality of transparent electrode segments overlapping the conductive line with at least one intermediate film interposed therebetween.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: September 18, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Young-Sik Kim, Seong-Soo Hwang, Dae-Lim Park, Su-Hwan Moon
  • Patent number: 7098986
    Abstract: A data pad region of a liquid crystal display panel includes a plurality of data lines vertically arranged at specified intervals, a plurality of data pads respectively connected to the data lines, at least one first side contact with a first area formed in each data pad and at least one second side contact with a second area formed in each data pad, wherein the first area is larger than the second area.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: August 29, 2006
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Dae-Lim Park, Seong-Soo Hwang, Su-Hwan Moon, Young-Sik Kim
  • Patent number: 7030955
    Abstract: It is an object of the present invention to provide a LOG-type liquid crystal display panel and a fabricating method that is adaptive for reducing a line resistance of a LOG-type signal line group within the confined area. A LOG-type liquid crystal display panel according to one aspect of the present invention includes a picture display part having a plurality of liquid crystal cells, each of which is arranged at each intersection area between gate lines and data lines; and line on glass type signal lines, being provided at an outer area of the picture display part by a line on glass system, for applying driving signals required for drive integrated circuits for driving the gate lines and the data lines, wherein said any one signal line of the line on glass type signal lines is provided by different metal layers formed between the insulating films and connected with each other in parallel.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: April 18, 2006
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Dae Lim Park, Seong Soo Hwang, Su Hwan Moon