Patents by Inventor Seong-Kweon Heo

Seong-Kweon Heo 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: 20150102313
    Abstract: In an aspect, an organic light-emitting display apparatus including: a substrate; a thin film transistor (TFT) formed on the substrate and comprising an active layer, a gate electrode, a source electrode, and a drain electrode; a first insulating layer formed on the TFT; a pixel electrode; a second insulating layer formed on the first insulating layer; and an opposite electrode formed on the intermediate layer is provided.
    Type: Application
    Filed: July 29, 2014
    Publication date: April 16, 2015
    Inventors: Seong-Kweon Heo, Jong-Hyun Park, Chun-Gi You
  • Publication number: 20150097160
    Abstract: An organic light-emitting display apparatus and a method for forming the same, the apparatus including a transparent protection layer on a substrate; a via insulation layer on the transparent protection layer; a pixel electrode on the via insulation layer; an opposite electrode on the pixel electrode; and an intermediate layer between the pixel electrode and the opposite electrode, the intermediate layer including an organic emission layer.
    Type: Application
    Filed: May 27, 2014
    Publication date: April 9, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dae-Woo KIM, Jong-Hyun PARK, Chun-Gi YOU, Seong-Kweon HEO
  • Patent number: 8940553
    Abstract: A flat panel display device includes a pixel circuit provided on a substrate, a pixel wiring, an inspection pad connected to the pixel circuit through the pixel wiring, a main wiring separated from the inspection pad by a gap, and a common electrode covering substantially the entire substrate and electrically connecting the inspection pad to the main wiring.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: January 27, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gwang-Geun Lee, Jong-Hyun Park, Seong-Kweon Heo, Chun-Gi You
  • Publication number: 20140353616
    Abstract: Provided is an organic light-emitting display apparatus. The organic light-emitting display apparatus including: pixels arranged in a display region of a substrate and at intersections between scanning lines and data lines; a first initialization main line arranged along a first side of the display region of the substrate; a second initialization main line arranged along a second side of the display region of the substrate; an initialization power line electrically connected to the pixels and to the first initialization main line and the second initialization main line; and a first electrical connection portion comprising a doped semiconductor layer of which a first portion is connected to the first initialization main line and a second portion is connected to the initialization power line.
    Type: Application
    Filed: November 14, 2013
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun PARK, Chun-Gi You, Seong-Kweon Heo, Kyung-Hoon Park
  • Publication number: 20140353666
    Abstract: A flat panel display device includes a pixel circuit provided on a substrate, a pixel wiring, an inspection pad connected to the pixel circuit through the pixel wiring, a main wiring separated from the inspection pad by a gap, and a common electrode covering substantially the entire substrate and electrically connecting the inspection pad to the main wiring.
    Type: Application
    Filed: September 10, 2013
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gwang-Geun Lee, Jong-Hyun Park, Seong-Kweon Heo, Chun-Gi You
  • Publication number: 20140346458
    Abstract: A thin-film transistor (“TFT”) array substrate includes: a TFT including an active layer, a gate electrode, a source electrode, a drain electrode, a first insulating layer disposed between the active layer and the gate electrode, and a second insulating layer disposed between the gate electrode, and the source and drain electrode; a pixel electrode including a transparent conductive oxide and disposed in an opening defined in the second insulating layer; a capacitor including a first electrode disposed on a layer on which the active layer is disposed, and a second electrode disposed on a layer on which the gate electrode is disposed; a pad electrode disposed on the second insulating layer and including a material substantially the same as a material in the source electrode and the drain electrode; a first protective layer disposed on the pad electrode; and a second protective layer disposed on the first protective layer.
    Type: Application
    Filed: October 23, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Park, Chun-Gi You, Seong-Kweon Heo, Jeong-Hwan Kim
  • Publication number: 20140346454
    Abstract: An organic light emitting display includes a substrate, a metal pattern on the substrate, the metal pattern directly contacting the substrate, and a thin film transistor including an active layer spaced apart from the metal pattern on the substrate, a gate electrode on the active layer, and a source electrode and a drain electrode on the gate electrode.
    Type: Application
    Filed: September 30, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyung-Hoon PARK, Jong-Hyun PARK, Seong-Kweon HEO
  • Patent number: 8895982
    Abstract: An organic light-emitting display apparatus in which electrical communication between an opposing electrode and an electrode power supply line can be more easily checked without adding an additional process in a manufacturing process, and a method of manufacturing the organic light-emitting display apparatus, is provided. The organic light-emitting display apparatus includes thin film transistors and pixel electrodes electrically connected to the thin film transistors in an active area of a substrate, an opposing electrode in the active area and a dead area of the substrate, an electrode power supply line in the dead area of the substrate and having a surface contacting the opposing electrode and configured to supply power to the opposing electrode, and a test line in the dead area of the substrate separated from the electrode power supply line and contacting the opposing electrode.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong-Hwan Kim, Jong-Hyun Park, Seong-Kweon Heo, Kyung-Hoon Park
  • Patent number: 8890132
    Abstract: An organic light emitting display device including: a substrate; an active layer formed on the substrate; a first insulation film disposed on the substrate to cover the active layer; a transistor including a gate electrode disposed at a location corresponding to the active layer with the first insulation film in between, and source and drain electrodes electrically connected to the active layer; a first electrode layer disposed on the substrate and electrically connected to any one of the source and drain electrodes of the transistor; a second electrode layer formed on the first electrode layer; an organic light emitting layer disposed between the first electrode layer and the second electrode layer; and a light reflecting unit covering a side and a part of top of the first electrode layer.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Park, Seong-Kweon Heo, Hye-Dong Kim
  • Publication number: 20140319471
    Abstract: An organic light-emitting display apparatus in which electrical communication between an opposing electrode and an electrode power supply line can be more easily checked without adding an additional process in a manufacturing process, and a method of manufacturing the organic light-emitting display apparatus, is provided. The organic light-emitting display apparatus includes thin film transistors and pixel electrodes electrically connected to the thin film transistors in an active area of a substrate, an opposing electrode in the active area and a dead area of the substrate, an electrode power supply line in the dead area of the substrate and having a surface contacting the opposing electrode and configured to supply power to the opposing electrode, and a test line in the dead area of the substrate separated from the electrode power supply line and contacting the opposing electrode.
    Type: Application
    Filed: September 3, 2013
    Publication date: October 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jeong-Hwan Kim, Jong-Hyun Park, Seong-Kweon Heo, Kyung-Hoon Park
  • Patent number: 8872181
    Abstract: A substrate includes an active layer, a gate electrode, source and drain electrodes, first and second insulating layers, a first line and a second line on a same layer as the gate electrode, the first line and the second line include a same material as the gate electrode and are aligned in a first direction, a third line crosses the first line, the third line is on a same layer as the source and drain electrodes, includes a same material as the source and drain electrodes, and is aligned in a second direction, a repair line on a same layer as the active layer, the repair line includes a same material as the active layer, a pixel electrode in the pixel region, and the pixel electrode is on a same layer as a lower electrode of the gate electrode and includes a same material as the lower electrode.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Park, Joon-Hoo Choi, Seong-Kweon Heo
  • Patent number: 8766530
    Abstract: An organic light emitting diode display includes a substrate. A control electrode is on the substrate. A gate insulating film covers the control electrode. An input electrode and an output electrode are on the gate insulating film and face each other. An oxide semiconductor is between the input electrode and the output electrode and on the control electrode. A pixel electrode is on portions of the edges of the output electrode and is electrically connected. An organic light emitting member is on the pixel electrode. A common electrode is on the organic light emitting member. The oxide semiconductor and the pixel electrode may be of the same layer.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: July 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mu-Gyeom Kim, Byoung-Seong Jeong, Seong-Kweon Heo, Min-Chul Shin, Jong-Moo Huh, Chang-Mo Park
  • Publication number: 20140145171
    Abstract: Disclosed is an organic light emitting diode display including: a pixel unit including an organic light emitting diode for displaying an image; and a periphery surrounding the pixel unit. The periphery includes a gate common voltage line formed on the substrate and receiving a common voltage from an external circuit, an interlayer insulating layer covering the gate common voltage line and including a common voltage contact hole for exposing a part of the gate common voltage line, a data common voltage line formed on the interlayer insulating layer and contacting the gate common voltage line through the common voltage contact hole, and a plurality of protrusions provided in the common voltage contact hole and formed on the substrate.
    Type: Application
    Filed: November 29, 2013
    Publication date: May 29, 2014
    Inventors: Kyung-Hoon Park, Jong-Hyun Park, Seong-Kweon Heo
  • Publication number: 20140138646
    Abstract: An organic light-emitting diode (OLED) display apparatus including a substrate, an insulation layer on the substrate, and an align mark formed of an insulation material, wherein an upper surface of the insulation layer contacts a lower surface of the align mark.
    Type: Application
    Filed: September 9, 2013
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chang-Ho Lee, Jong-Hyun Park, Seong-Kweon Heo, Chun-Gi You
  • Publication number: 20140077174
    Abstract: An organic light emitting display device including: a substrate; an active layer formed on the substrate; a first insulation film disposed on the substrate to cover the active layer; a transistor including a gate electrode disposed at a location corresponding to the active layer with the first insulation film in between, and source and drain electrodes electrically connected to the active layer; a first electrode layer disposed on the substrate and electrically connected to any one of the source and drain electrodes of the transistor; a second electrode layer formed on the first electrode layer; an organic light emitting layer disposed between the first electrode layer and the second electrode layer; and a light reflecting unit covering a side and a part of top of the first electrode layer.
    Type: Application
    Filed: March 13, 2013
    Publication date: March 20, 2014
    Inventors: Jong-Hyun PARK, Seong-Kweon Heo, Hye-Dong Kim
  • Publication number: 20130292651
    Abstract: The organic light emitting display apparatus includes a substrate; a buffer film on the substrate, the buffer film including a via hole, a thin film transistor (TFT) on the buffer film, the TFT including an active layer, a gate electrode, a source electrode, and a drain electrode, a first electrode electrically connected to one of the source electrode and the drain electrode and corresponding to the via hole; an intermediate layer on the first electrode, the intermediate layer including an organic emission layer, and a second electrode on the intermediate layer.
    Type: Application
    Filed: November 14, 2012
    Publication date: November 7, 2013
    Inventors: Chun-Gi YOU, Joon-Hoo CHOI, Jong-Hyun PARK, Kyung-Hoon PARK, Jeong-Hwan KIM, Seong-Kweon HEO
  • Patent number: 8575605
    Abstract: An organic light-emitting display device includes: a substrate having a transistor region and a thin-film transistor having a gate electrode, a source/drain electrode and an active layer sequentially formed on the transistor region, wherein a portion of the source/drain electrode is between the active layer and substrate.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: November 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seong-Kweon Heo
  • Patent number: 8470638
    Abstract: A thin film transistor and a manufacturing method thereof are provided. In the manufacturing method of the thin film transistor a semiconductive active layer and a semiconductor passivation layer are sequentially formed such that the semiconductor passivation layer protectively covers the semiconductive active layer. Then the stacked combination of the semiconductive active layer and semiconductor passivation layer are patterned by using a same patterning mask so that formed islands of the semiconductive active layer continue to be protectively covered by formed islands of the semiconductor passivation layer. In one embodiment, the semiconductive active layer is formed of a semiconductive oxide.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: June 25, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Kweon Heo, Min-Chul Shin, Chang-Mo Park
  • Publication number: 20130056735
    Abstract: An organic light-emitting display apparatus includes a thin film transistor on a display region of a substrate, the thin film transistor faces an encapsulation member, an organic light-emitting device on the display region that includes an intermediate layer having an organic emission layer, a sealing member that is between the substrate and the encapsulation member and that surrounds the display region, an internal circuit unit between the display region and the sealing member, a passivation layer that extends to cover the internal circuit unit, a pixel defining layer on the passivation layer, and a getter between the substrate and the encapsulation member, and the getter at least partially overlaps the internal circuit unit.
    Type: Application
    Filed: March 9, 2012
    Publication date: March 7, 2013
    Inventors: Seong-Kweon HEO, Ki-Nyeng Kang, Jong-Hyun Choi
  • Publication number: 20130048990
    Abstract: A substrate includes an active layer, a gate electrode, source and drain electrodes, first and second insulating layers, a first line and a second line on a same layer as the gate electrode, the first line and the second line include a same material as the gate electrode and are aligned in a first direction, a third line crosses the first line, the third line is on a same layer as the source and drain electrodes, includes a same material as the source and drain electrodes, and is aligned in a second direction, a repair line on a same layer as the active layer, the repair line includes a same material as the active layer, a pixel electrode in the pixel region, and the pixel electrode is on a same layer as a lower electrode of the gate electrode and includes a same material as the lower electrode.
    Type: Application
    Filed: March 9, 2012
    Publication date: February 28, 2013
    Inventors: Jong-Hyun PARK, Joon-Hoo CHOI, Seong-Kweon HEO