Patents by Inventor Gee Sung Chae

Gee Sung Chae 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: 8030107
    Abstract: An electro-luminescent device includes a transparent substrate, a black matrix on the transparent substrate defining a plurality of spaces, a plurality of color representing layers each arranged in respective ones of the spaces, an overcoat layer on the black matrix and the color representing layers, a plurality of first electrodes disposed on the overcoat layer in a first direction with respect to the color representing layers, a phosphor layer formed on the plurality of first electrodes, an insulating film on the phosphor layer, and a plurality of second electrodes disposed on the insulating film in a second direction perpendicular to the first direction.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: October 4, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: In Jae Chung, Gee Sung Chae
  • Patent number: 8027007
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a thin film transistor having a signal line of dual layered structure of a copper compound and copper, and a pixel electrode connected to the thin film transistor.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: September 27, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Gyoo-Chul Jo, Yong-Sup Hwang
  • Publication number: 20110220893
    Abstract: An array substrate for a liquid crystal display device includes: a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including an organic insulating material such that a radical of carbon chain has a composition ratio of about 8% to about 11% by weight; a semiconductor layer on the gate insulating layer over the gate electrode; a data line crossing the gate line to define a pixel region; source and drain electrodes on the semiconductor layer, the source electrode connected to the data line and the drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer having a drain contact hole exposing the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole
    Type: Application
    Filed: May 23, 2011
    Publication date: September 15, 2011
    Inventors: Byung-Geol Kim, Gee-Sung Chae, Jae-Seok Heo, Woong-Gi Jun
  • Publication number: 20110207249
    Abstract: An organic electro-luminescence display device includes at least one light emission device, the organic light emission device having a first electrode; at least one thin film transistor for driving the light emission device, a pixel electrode being connected to the at least one thin film transistor; a conductive layer formed of a conductive polymer material to electrically connect the light emission device and the pixel electrode.
    Type: Application
    Filed: May 3, 2011
    Publication date: August 25, 2011
    Inventors: GEE SUNG CHAE, JIN WUK KIM
  • Patent number: 7999262
    Abstract: A thin film transistor includes a gate electrode, a gate insulation layer on the gate electrode, source and drain electrodes formed on the gate insulation layer, a polysilicon channel layer overlapping the ohmic contact layers and on the gate insulation layer between the source and drain electrodes, ohmic contact regions over the source and drain electrodes for contacting the polysilicon channel to the source and drain electrodes, and doping layers over the source and drain electrodes.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: August 16, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Seung Hwan Cha
  • Patent number: 7989242
    Abstract: An array substrate for a liquid crystal display device includes: a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including an organic insulating material such that a radical of carbon chain has a composition ratio of about 8% to about 11% by weight; a semiconductor layer on the gate insulating layer over the gate electrode; a data line crossing the gate line to define a pixel region; source and drain electrodes on the semiconductor layer, the source electrode connected to the data line and the drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer having a drain contact hole exposing the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: August 2, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Geol Kim, Gee-Sung Chae, Jae-Seok Heo, Woong-Gi Jun
  • Publication number: 20110176090
    Abstract: A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer.
    Type: Application
    Filed: March 29, 2011
    Publication date: July 21, 2011
    Inventor: Gee-Sung Chae
  • Patent number: 7965034
    Abstract: An organic electro-luminescence display device includes at least one light emission device, the organic light emission device having a first electrode; at least one thin film transistor for driving the light emission device, a pixel electrode being connected to the at least one thin film transistor; a conductive layer formed of a conductive polymer material to electrically connect the light emission device and the pixel electrode.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: June 21, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jin Wuk Kim
  • Patent number: 7936421
    Abstract: A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: May 3, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Gee-Sung Chae
  • Patent number: 7920246
    Abstract: An LCD device and a method for fabricating the same are disclosed. The LCD device includes a substrate having a pixel region. A gate electrode is formed in the pixel region. A gate insulating film is formed on the substrate including the gate electrode. A conducting layer is formed on the substrate including the gate insulating film. A semiconductor layer containing a nanosemiconductor material is formed on the conducting layer above the gate electrode. Source and drain electrodes overlap opposing sides of the semiconductor layer. A passivation layer is formed on the substrate including the source and drain electrodes. A first contact hole in the passivation layer exposes the drain electrode. A pixel electrode in the pixel region is connected to the drain electrode through the first contact hole.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: April 5, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Gee Sung Chae
  • Publication number: 20110057561
    Abstract: A method for manufacturing an organic electroluminescent device includes forming a first electrode and a first carrier transport layer on a substrate having sub-pixels that include a first light emitting area for a first color, a second light emitting area for a second color, and a third light emitting area for a third color, forming a first color light emitting layer in the first light emitting area using a first hydrophobic material, forming a second color light emitting layer in the second light emitting area using a second hydrophobic material, forming a third color light emitting layer in the first, second and third light emitting areas or in the third light emitting area, forming a second carrier transport layer on the third light emitting area; and forming a second electrode on the second carrier transport layer.
    Type: Application
    Filed: November 12, 2010
    Publication date: March 10, 2011
    Inventors: Gee Sung CHAE, Sung Hee Kim
  • Publication number: 20110039361
    Abstract: A liquid crystal display device includes a plurality of gate lines and data lines crossing each other to define a plurality of pixel regions, a plurality of thin film transistors, each disposed in one of the pixel regions, and a plurality of pixel electrodes, each disposed in one of the pixel regions, wherein the thin film transistor includes at least one Ti layer.
    Type: Application
    Filed: October 25, 2010
    Publication date: February 17, 2011
    Inventors: Gee-Sung CHAE, Yong-Sup HWANG
  • Publication number: 20110024949
    Abstract: An apparatus for fabricating a flat panel display device includes a device that applies a flowable material on a substrate; a soft mold having a base surface, a groove part recessed in relation to the base surface, and a protruding part protruding from the base surface, the soft mold applying a pressure on the flowable material for forming a multi-stepped profile pattern in the flowable material.
    Type: Application
    Filed: October 8, 2010
    Publication date: February 3, 2011
    Inventors: Gee Sung CHAE, Gyoo Chul Jo, Jin Wuk Kim, Chang Hee Lee
  • Patent number: 7863120
    Abstract: A method of fabricating a liquid crystal display device includes, according to an embodiment of the present invention, forming a gate electrode on a substrate, forming a gate insulating layer over the gate electrode and on the substrate, forming a first metal layer on the first semiconductor layer and a second metal layer over the first metal layer, forming source and chain electrode by patterning a separation region in the first and second metal layers, and patterning the first metal layer and the first semiconductor layer in the same pattern.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: January 4, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Gee Sung Chae
  • Publication number: 20100327272
    Abstract: An LCD device and a method for fabricating the same is disclosed that improves a yield by decreasing processing time. The LCD device includes gate and data lines formed substantially perpendicular to each other on a substrate and defining a unit pixel region; a thin film transistor formed at a crossing of the gate and data lines; an active layer formed over the gate line, the data line, and the thin film transistor; an organic resin formed on a portion of a gate insulating layer not including the gate line, the data line, and the thin film transistor; a passivation layer formed on an entire surface of the substrate including the thin film transistor; and a pixel electrode, formed in the unit pixel region, the pixel electrode being connected with a drain electrode of the thin film transistor.
    Type: Application
    Filed: September 8, 2010
    Publication date: December 30, 2010
    Inventor: Gee Sung Chae
  • Patent number: 7858014
    Abstract: An apparatus for fabricating a flat panel display device includes a device that applies a flowable material on a substrate; a soft mold having a base surface, a groove part recessed in relation to the base surface, and a protruding part protruding from the base surface, the soft mold applying a pressure on the flowable material for forming a multi-stepped profile pattern in the flowable material.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: December 28, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Jin Wuk Kim, Chang Hee Lee
  • Patent number: 7858003
    Abstract: A soft mold includes a polymer layer having a printing pattern on at least a first surface thereof; and a back-plane attached to a second surface of the polymer layer.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: December 28, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Jin Wuk Kim, Chang Hee Lee
  • Publication number: 20100291296
    Abstract: A fabricating method of a color filter array substrate includes the steps of forming a black matrix on a substrate, forming red, green, blue color filters on the substrate on which the black matrix is formed, forming an overcoat layer including a white color filter on the substrate on which the red, green, and blue color filters are formed, aligning a flat panel soft mold to the overcoat layer; and smoothing the overcoat layer using the flat panel soft mold.
    Type: Application
    Filed: July 22, 2010
    Publication date: November 18, 2010
    Inventors: Gee Sung CHAE, Gyoo Chul Jo, Yong Sup Hwang, Jin Wuk Kim, Chang Hee Lee
  • Patent number: 7833569
    Abstract: A method for manufacturing an organic electroluminescent device includes forming a first electrode and a first carrier transport layer on a substrate having sub-pixels that include a first light emitting area for a first color, a second light emitting area for a second color, and a third light emitting area for a third color, forming a first color light emitting layer in the first light emitting area using a first hydrophobic material, forming a second color light emitting layer in the second light emitting area using a second hydrophobic material, forming a third color light emitting layer in the first, second and third light emitting areas or in the third light emitting area, forming a second carrier transport layer on the third light emitting area; and forming a second electrode on the second carrier transport layer.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: November 16, 2010
    Assignee: LG Displays Co., Ltd.
    Inventors: Gee Sung Chae, Sung Hee Kim
  • Publication number: 20100285640
    Abstract: The present invention discloses an etchant for etching at least two different metal layers, the etchant comprising hydrogen peroxide (H2O2) and one of carboxylic acid, carboxylate salt, and acetyl group (CH3CO—). The present invention also discloses a method of fabricating a metal wiring on a substrate, the method comprising forming a first metal layer on a substrate, forming a second metal layer on the first metal layer, and simultaneously etching the first metal layer and the second metal layer with an etchant comprising hydrogen peroxide (H2O2) and one of carboxylic acid, carboxylate salt, and acetyl group (CH3CO—).
    Type: Application
    Filed: July 20, 2010
    Publication date: November 11, 2010
    Inventors: Gee Sung CHAE, Gyoo Chul Jo, Yong Sup Hwang