Patents by Inventor Deuk-Jong Kim

Deuk-Jong Kim 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: 8937315
    Abstract: An organic light emitting diode display includes a substrate main body, a semiconductor layer and a first capacitor electrode on the substrate main body, bottom surfaces of the semiconductor layer and first capacitor electrode being substantially coplanar, and each of the semiconductor layer and first capacitor electrode including an impurity-doped polysilicon layer, a gate insulating layer on the semiconductor layer and the first capacitor electrode, a gate electrode on the semiconductor layer with the gate insulating layer therebetween, and a second capacitor electrode on the first capacitor electrode with the gate insulating layer therebetween, the second capacitor electrode including a convex electrode portion and a concave electrode portion, the concave electrode portion being thinner than each of the convex electrode portion and the gate electrode.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: January 20, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh-Seob Kwon, Deuk-Jong Kim, Moo-Soon Ko
  • Patent number: 8796122
    Abstract: A method of fabricating a display device is provided. The method includes providing a substrate having a pixel region and a circuit region located at the periphery of the pixel region. A first semiconductor layer and a second semiconductor layer are formed on the pixel region and on the circuit region, respectively. The first semiconductor layer may be selectively surface treated to increase the density of lattice defects in a surface of the first semiconductor layer.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eui-Hoon Hwang, Deuk-Jong Kim
  • Patent number: 8288182
    Abstract: A method for manufacturing a thin film transistor includes: forming a source electrode and a drain electrode on a substrate by depositing a metal layer on the substrate at a first temperature and etching the metal layer; forming a protective layer on the source and drain electrodes; and performing a heat treatment on the protective layer at a second temperature higher than the first temperature.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: October 16, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Gil Ji, Deuk-Jong Kim
  • Patent number: 8222809
    Abstract: A flat panel display apparatus, including a substrate, a display unit disposed on the substrate, a first interconnecting line positioned on the substrate at an outer side of the display unit, a second interconnecting line located above the first interconnecting line, and at least two insulating layers interposed between the first and second interconnecting lines.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: July 17, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Keun-Soo Lee, Deuk-Jong Kim
  • Publication number: 20110215335
    Abstract: An organic light emitting diode display includes a substrate main body, a semiconductor layer and a first capacitor electrode on the substrate main body, bottom surfaces of the semiconductor layer and first capacitor electrode being substantially coplanar, and each of the semiconductor layer and first capacitor electrode including an impurity-doped polysilicon layer, a gate insulating layer on the semiconductor layer and the first capacitor electrode, a gate electrode on the semiconductor layer with the gate insulating layer therebetween, and a second capacitor electrode on the first capacitor electrode with the gate insulating layer therebetween, the second capacitor electrode including a convex electrode portion and a concave electrode portion, the concave electrode portion being thinner than each of the convex electrode portion and the gate electrode.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 8, 2011
    Inventors: Oh-Seob Kwon, Deuk-Jong Kim, Moo-Soon Ko
  • Publication number: 20110171760
    Abstract: A method for manufacturing a thin film transistor includes: forming a source electrode and a drain electrode on a substrate by depositing a metal layer on the substrate at a first temperature and etching the metal layer; forming a protective layer on the source and drain electrodes; and performing a heat treatment on the protective layer at a second temperature higher than the first temperature.
    Type: Application
    Filed: January 7, 2011
    Publication date: July 14, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Young-Gil Ji, Deuk-Jong Kim
  • Patent number: 7442594
    Abstract: Disclosed is a flat panel display capable of improving a white balance by making channel regions of transistors of R, G, and B unit pixels with different current mobilities. The flat panel display includes a plurality of pixels, each of the pixels including R, G and B unit pixels to embody red (R), green (G), and blue (B) colors, respectively, and each of the unit pixels including at least one transistor. Channel layers of the transistors of at least two unit pixels among the R, G, and B unit pixels have different current mobilities from one another. The R, G, B unit pixels includes transistors and the transistor of at least one unit pixel among the R, G, and B unit pixels includes the channel layer made of silicon layers of different film qualities.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: October 28, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Bon Koo, Ji-Yong Park, Sang-Il Park, Deuk-Jong Kim, Ul-Ho Lee, Jin-Soo Kim, Jin-Woung Jung, Chang-Gyu Lee
  • Patent number: 7420212
    Abstract: A flat panel display and method for fabricating the same are disclosed. The flat panel display includes a substrate. Signal lines are arranged on the substrate in a matrix shape, and a unit pixel region defined by crossing arrangement of the signal lines, has a pixel driving circuit region and an emission region. A pixel driving TFT positioned in the pixel driving circuit region, includes a semiconductor layer and a gate electrode corresponding to a predetermined portion of the semiconductor layer. The gate electrode is formed on a same layer as the signal lines. A pixel electrode, electrically connected to the pixel driving TFT, is positioned in the emission region.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: September 2, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Deuk-Jong Kim, Eui-Hoon Hwang
  • Publication number: 20070170846
    Abstract: An OLED having an improved adhesion characteristic and a method of fabricating the same are provided. The OLED includes: a substrate having a pixel region and a non-pixel region except the pixel region; and an encapsulation substrate for encapsulating the substrate. The pixel region includes: a thin film transistor including a semiconductor layer, a gate electrode, and source and drain electrodes; a first electrode electrically connected with the thin film transistor; a pixel defining layer disposed on the first electrode; an organic layer having at least an emissive layer formed on the first electrode and the pixel defining layer; a second electrode disposed on the organic layer; and at least one inorganic layer. The non-pixel region includes at least one inorganic layer, and a frit disposed on the inorganic layer to encapsulate the substrate and the encapsulation substrate.
    Type: Application
    Filed: January 8, 2007
    Publication date: July 26, 2007
    Inventors: Dong-Soo Choi, Jin-Woo Park, Won-Kyu Kwak, Deuk-Jong Kim, Seung-Yong Song
  • Publication number: 20070096633
    Abstract: A flat panel display apparatus, including a substrate, a display unit disposed on the substrate, a first interconnecting line positioned on the substrate at an outer side of the display unit, a second interconnecting line located above the first interconnecting line, and at least two insulating layers interposed between the first and second interconnecting lines.
    Type: Application
    Filed: November 2, 2006
    Publication date: May 3, 2007
    Inventors: Keun-Soo Lee, Deuk-Jong Kim
  • Publication number: 20070085094
    Abstract: Disclosed is a flat panel display capable of improving a white balance by making channel regions of transistors of R, G, and B unit pixels with different current mobilities. The flat panel display includes a plurality of pixels, each of the pixels including R, G and B unit pixels to embody red (R), green (G), and blue (B) colors, respectively, and each of the unit pixels including at least one transistor. Channel layers of the transistors of at least two unit pixels among the R, G, and B unit pixels have different current mobilities from one another. The R, G, B unit pixels includes transistors and the transistor of at least one unit pixel among the R, G, and B unit pixels includes the channel layer made of silicon layers of different film qualities.
    Type: Application
    Filed: December 14, 2006
    Publication date: April 19, 2007
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jae-Bon Koo, Ji-Yong Park, Sang-Il Park, Deuk-Jong Kim, Ul-Ho Lee, Jin-Soo Kim, Jin-Woung Jung, Chang-Gyu Lee
  • Patent number: 7161180
    Abstract: Disclosed is a flat panel display capable of improving a white balance by making channel regions of transistors of R, G and B unit pixels with different current mobilities. The flat panel display includes a plurality of pixels, each of the pixels including R, G and B unit pixels to embody red (R), green (G) and blue (B) colors, respectively, and each of the unit pixels including at least one transistor. Channel layers of the transistors of at least two unit pixels among the R, G and B unit pixels have different current mobilities from one another. The R, G, B unit pixels includes transistors and the transistor of at least one unit pixel among the R, G and B unit pixels includes the channel layer made of silicon layers of different film qualities.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: January 9, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Bon Koo, Ji-Yong Park, Sang-Il Park, Deuk-Jong Kim, Ul-Ho Lee, Jin-Soo Kim, Jin-Woung Jung, Chang-Gyu Lee
  • Publication number: 20060003505
    Abstract: A method of fabricating a display device is provided. The method includes providing a substrate having a pixel region and a circuit region located at the periphery of the pixel region. A first semiconductor layer and a second semiconductor layer are formed on the pixel region and on the circuit region, respectively. The first semiconductor layer may be selectively surface treated to increase the density of lattice defects in a surface of the first semiconductor layer.
    Type: Application
    Filed: June 30, 2005
    Publication date: January 5, 2006
    Inventors: Eui-Hoon Hwang, Deuk-Jong Kim
  • Publication number: 20050121677
    Abstract: A capacitor that may prevent current leakage, destruction of an insulating layer, and a short circuit at an edge portion of an electrode, and a flat panel display including the same, are provided. The capacitor includes at least two electrodes, disposed in a stacked structure, that are insulated from each other, wherein each electrode is smaller than a lower electrode.
    Type: Application
    Filed: November 17, 2004
    Publication date: June 9, 2005
    Inventors: Deuk-Jong Kim, Eui-Hoon Hwang
  • Publication number: 20050116232
    Abstract: A flat panel display and method for fabricating the same are disclosed. The flat panel display includes a substrate. Signal lines are arranged on the substrate in a matrix shape, and a unit pixel region defined by crossing arrangement of the signal lines, has a pixel driving circuit region and an emission region. A pixel driving TFT positioned in the pixel driving circuit region, includes a semiconductor layer and a gate electrode corresponding to a predetermined portion of the semiconductor layer. The gate electrode is formed on a same layer as the signal lines. A pixel electrode, electrically connected to the pixel driving TFT, is positioned in the emission region.
    Type: Application
    Filed: November 19, 2004
    Publication date: June 2, 2005
    Inventors: Deuk-Jong Kim, Eui-Hoon Hwang
  • Publication number: 20050116305
    Abstract: A thin film transistor according to the present invention may include a gate insulating layer; and a lower pattern placed below the gate insulating layer to contact therewith and having an edge with a taper angle of at most about 80°. With this design, dielectric strength of the gate insulating layer can be enhanced. The lower pattern can be a gate electrode layer.
    Type: Application
    Filed: November 22, 2004
    Publication date: June 2, 2005
    Inventors: Eui-Hoon Hwang, Sang-Gul Lee, Deuk-Jong Kim
  • Publication number: 20040207584
    Abstract: Disclosed is a flat panel display capable of improving a white balance by making channel regions of transistors of R, G and B unit pixels with different current mobilities. The flat panel display includes a plurality of pixels, each of the pixels including R, G and B unit pixels to embody red (R), green (G) and blue (B) colors, respectively, and each of the unit pixels including at least one transistor. Channel layers of the transistors of at least two unit pixels among the R, G and B unit pixels have different current mobilities from one another. The R, G, B unit pixels includes transistors and the transistor of at least one unit pixel among the R, G and B unit pixels includes the channel layer made of silicon layers of different film qualities.
    Type: Application
    Filed: April 14, 2004
    Publication date: October 21, 2004
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jae-Bon Koo, Ji-Yong Park, Sang-Il Park, Deuk-Jong Kim, Ul-Ho Lee, Jin-Soo Kim, Jin-Woung Jung, Chang-Gyu Lee