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).

  • Thin film transistor and method of fabricating the same
    Patent number: 8216889
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Method of fabricating organic electroluminescence display device comprising an elastic contact electrode
    Patent number: 8210890
    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 3, 2011
    Date of Patent: July 3, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jin Wuk Kim
  • Liquid crystal display device with active layer over the gate line, data line, gate electrode and source/drain electrodes
    Patent number: 8199271
    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: Grant
    Filed: September 8, 2010
    Date of Patent: June 12, 2012
    Assignee: LG Display, Co., Ltd.
    Inventor: Gee Sung Chae
  • METHOD FOR MANUFACTURING FLEXIBLE FLAT DEVICE
    Publication number: 20120118478
    Abstract: Disclosed is a method for manufacturing a flexible device comprising: forming an adhesive layer on a support substrate; adhering a flexible substrate onto the adhesive layer; forming a device layer on the flexible substrate; and separating the support substrate from the flexible substrate, wherein the adhesive layer comprises a self-assembled monolayer (SAM).
    Type: Application
    Filed: June 8, 2011
    Publication date: May 17, 2012
    Inventors: Jong Hyun PARK, Chang Dong Kim, Gee Sung Chae, Juhn Suk Yoo, Soo Young Yoon, Soon Wook Cha, Won Bong Jang, Jae Kyung Choi
  • Liquid crystal display device and method of fabricating the same
    Patent number: 8158467
    Abstract: A liquid crystal display device includes a plurality of gate lines and data lines on a first substrate defining a plurality of pixel regions, a thin film transistor within the pixel regions, a pixel electrode within the pixel regions, and at least one TiOx layer provided with the thin film transistor.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: April 17, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Gyoo-Chul Jo, Yong-Sup Hwang
  • Array substrate for liquid crystal display device and manufacturing method of the same
    Patent number: 8139183
    Abstract: According to an embodiment, an array substrate for an LCD device includes a substrate; gate lines on the substrate along a first direction; data lines formed along a second direction and crossing the gate lines to define pixel regions; a common line between adjacent gate lines; a thin film transistor at each crossing point of the gate lines and the data lines; red, green and blue color filter patterns sequentially disposed in the pixel regions, respectively; a common electrode over each of the red, green and blue color filter patterns and connected to the common line; and a pixel electrode over the common electrode and connected to the thin film transistor, the pixel electrode overlapping the common electrode.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: March 20, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Gee-Sung Chae
  • Method for fabricating thin film transistor
    Patent number: 8129233
    Abstract: A method for fabricating a thin film transistor (TFT) on a substrate includes forming a gate electrode; forming a semiconductor layer being insulated from the gate electrode and partially overlapped with the gate electrode; sequentially forming first and second gate insulating layers between the gate electrode and the semiconductor layer, wherein the first gate insulating layer is formed of a material different from the second gate insulating layer and at least one of the first and second gate insulating layers includes a sol-compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: March 6, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Woong Gi Jun, Gee Sung Chae, Jae Seok Heo
  • Stamp and fabricating method thereof, thin film transistor using the stamp, and liquid crystal display device having the thin film transistor
    Patent number: 8127674
    Abstract: Provided are a method of fabricating a stamp, a thin film transistor and a liquid crystal display device using the same. The stamp has an improved contact property with respect to a substrate. A charged zone is formed on the substrate using the stamp, and nano material charged with opposite charges to those of the charged zone is coated or plated to form a self-assembled monolayer (SAM). Therefore, the thin film transistor and the liquid crystal display device can have precise nano patterns, thereby improving the performance of the device.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: March 6, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Bo Hyun Lee, Gee Sung Chae
  • LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
    Publication number: 20120034770
    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 18, 2011
    Publication date: February 9, 2012
    Inventors: Gee-Sung Chae, Yong-Sup Hwang
  • LIQUID CRYSTAL DISPLAY DEVICE HAVING ORGANIC ALIGNMENT LAYER AND FABRICATION METHOD THEREOF
    Publication number: 20120026441
    Abstract: An alignment structure of a liquid crystal display device includes a substrate, a plurality of region defining strips disposed at intervals on the substrate, and organic alignment strips disposed between the region defining layers.
    Type: Application
    Filed: October 5, 2011
    Publication date: February 2, 2012
    Inventors: Gee-Sung CHAE, Jin-Wuk KIM
  • Display device and fabrication method thereof
    Patent number: 8107037
    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: March 29, 2011
    Date of Patent: January 31, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Gee-Sung Chae
  • THIN FILM TRANSISTOR AND METHOD OF FABRICATING THE SAME
    Publication number: 20120009707
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Applicant: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Organic light emitting diode device and method of manufacturing the same
    Patent number: 8092926
    Abstract: An organic light emitting diode device includes an organic layer formed of a hole transport material or a hole injection material having a photocurable group. Therefore, the organic light emitting diode device can be formed using a wet process that is simple and can be used for a large substrate. Furthermore, the organic layer and an organic light emitting layer are less affected by a solvent. Thus, the lifespan of the organic light emitting diode device is increased and there is more freedom in selecting materials for the organic layer and the organic light emitting layer. A method of manufacturing the organic light emitting diode device is also disclosed.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: January 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Sung Hee Kim, Tae Han Park
  • THIN FILM TRANSISTOR HAVING A COPPER SIGNAL LINE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20110303920
    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: Application
    Filed: August 23, 2011
    Publication date: December 15, 2011
    Inventors: Gee-Sung CHAE, Gyoo-Chul Jo, Yong-Sup Hwang
  • Thin film transistor, method for fabricating the same and display device
    Patent number: 8062924
    Abstract: A method for fabricating a TFT on a substrate includes forming a gate electrode; forming a semiconductor layer insulated from the gate electrode and partially overlapped with the gate electrode; forming a gate insulating layer between the gate electrode and the semiconductor layer, the gate insulating layer including a sol-gel compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: November 22, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jae Seok Heo, Woong Gi Jun
  • ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME
    Publication number: 20110273650
    Abstract: According to an embodiment, an array substrate for an LCD device includes a substrate; gate lines on the substrate along a first direction; data lines formed along a second direction and crossing the gate lines to define pixel regions; a common line between adjacent gate lines; a thin film transistor at each crossing point of the gate lines and the data lines; red, green and blue color filter patterns sequentially disposed in the pixel regions, respectively; a common electrode over each of the red, green and blue color filter patterns and connected to the common line; and a pixel electrode over the common electrode and connected to the thin film transistor, the pixel electrode overlapping the common electrode.
    Type: Application
    Filed: August 26, 2010
    Publication date: November 10, 2011
    Inventor: Gee-Sung CHAE
  • Liquid crystal display device and method of fabricating the same
    Patent number: 8053295
    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: Grant
    Filed: October 25, 2010
    Date of Patent: November 8, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Yong-Sup Hwang
  • Soft mold, method of manufacturing the same, and patterning method using the same
    Patent number: 8043799
    Abstract: The patterning method includes forming a synthetic resin layer on a substrate, providing a mold in which a predetermined pattern is formed and metal particles are distributed on the surface of the mold, contacting the mold having the predetermined pattern with the synthetic resin layer, transferring the pattern of the mold onto the synthetic resin layer to form a patterned synthetic resin layer, and forming an organic layer on the patterned synthetic resin layer.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: October 25, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Gee Sung Chae
  • Thin film transistor and method of fabricating the same
    Patent number: 8044391
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: October 25, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Liquid crystal display device having organic alignment layer and fabrication method thereof
    Patent number: 8039063
    Abstract: A method for fabricating an alignment film is provided. The method includes providing a substrate, forming a plurality of region defining strips at an interval on the substrate, and forming organic alignment strips for aligning liquid crystal molecules between the region defining strips by applying an organic alignment material on the substrate.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: October 18, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Gee-Sung Chae