Patents by Inventor Do-Hyun Kwon

Do-Hyun Kwon 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: 9831295
    Abstract: Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choong Youl Im, Il Jung Lee, Do Hyun Kwon, Ju Won Yoon, Moo Soon Ko, Min Woo Woo
  • Patent number: 9721499
    Abstract: An organic light emitting diode (OLED) display including a first pixel, a second pixel, and a third pixel disposed in a matrix and first to third driving voltage lines configured to transmit a driving voltage to the first to third pixel, respectively. A width of one driving voltage line among the first to third driving voltage lines is different from the width of the other driving voltage lines.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do-Hyun Kwon, Il-Jeong Lee, Choong-Youl Im, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
  • Publication number: 20170198316
    Abstract: Provided is a method of producing L-amino acids by using a recombinant coryneform microorganism in which the expression of a target gene is weakened by using a gene transcription inhibition method.
    Type: Application
    Filed: March 20, 2017
    Publication date: July 13, 2017
    Inventors: Jun Ok MOON, Sang Jo LIM, Do Hyun KWON, Kwang Ho LEE, Hyun Won BAE
  • Publication number: 20170125499
    Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.
    Type: Application
    Filed: November 21, 2016
    Publication date: May 4, 2017
    Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
  • Publication number: 20170044553
    Abstract: Disclosed are a recombinant microorganism having enhanced L-amino acid producibility, wherein the recombinant microorganism is transformed to have an inactivated phage receptor thereof, and a method of producing an L-amino acid using the recombinant microorganism. The use of the recombinant microorganism may enable the production of the L-amino acid in a highly efficient manner.
    Type: Application
    Filed: March 17, 2015
    Publication date: February 16, 2017
    Inventors: Ji Sun LEE, Chang Il SEO, Ki Yong CHEONG, Eun Sung KOH, Do Hyun KWON, Kwang Ho LEE
  • Patent number: 9502604
    Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
  • Patent number: 9437661
    Abstract: A thin film transistor substrate includes a semiconductor pattern on a base substrate, a first insulation member disposed on the semiconductor pattern, a second insulation pattern disposed on the first insulation member, and a gate electrode disposed on the first insulation member and the second insulation pattern. The second insulation pattern overlaps a first end portion of the semiconductor pattern, and exposes a second end portion of the semiconductor pattern opposite to the first end portion. The gate electrode overlaps both the first insulation member and the second insulation pattern.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do-Hyun Kwon, Min-Jung Lee, Sung-Eun Lee, Il-Jeong Lee, Jung-Kyu Lee, Kwang-Young Choi
  • Publication number: 20160233288
    Abstract: Disclosed herein is provided an organic light emitting diode display, including: a substrate; a scan line on the substrate configured to transfer a scan signal; a data line crossing the scan line configured to transfer a data voltage; a driving power line crossing the scan line configured to transfer a driving voltage; a switching transistor connected to the scan line and the data line; a driving transistor connected to the switching transistor; and an organic light emitting diode electrically connected to the driving transistor, in which the driving power line is a storage electrode of a storage capacitor.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 11, 2016
    Inventors: Jung Kyu Lee, Do Hyun Kwon, Dong Hwan Shim, Min Jung Lee, Seung-Hwan Cho
  • Publication number: 20160218164
    Abstract: An organic light emitting diode display includes: a substrate; a substrate insulating layer on the substrate; a capacitor on the substrate insulating layer; a driving thin film transistor including a driving gate electrode connected to the capacitor; and an organic light emitting element connected to the driving thin film transistor, where the capacitor includes: a first capacitor electrode on the substrate insulating layer; a second capacitor electrode on the first capacitor electrode; a capacitor insulating layer between the first capacitor electrode and the second capacitor electrode and contacting the first capacitor electrode and the second capacitor electrode, the capacitor insulating layer having a higher dielectric constant than the substrate insulating layer; and an auxiliary electrode contacting at least one of the first capacitor electrode or the second capacitor electrode.
    Type: Application
    Filed: April 1, 2016
    Publication date: July 28, 2016
    Inventors: Choong-Youl Im, Il-Jeong Lee, Do-Hyun Kwon, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
  • Publication number: 20160181387
    Abstract: A thin film transistor including: a substrate; an active layer formed over the substrate; a gate insulating layer formed over the active layer; a gate electrode formed over the gate insulating layer; an interlayer insulating layer formed over the gate electrode; and source and drain electrodes that contact the active layer via the interlayer insulating layer. The source and drain electrodes may have a structure including an aluminum (Al) layer, an aluminum-nickel alloy (AlNiX) layer, and an indium tin oxide (ITO) layer, which are sequentially stacked.
    Type: Application
    Filed: February 25, 2016
    Publication date: June 23, 2016
    Inventors: Jong-Yoon Kim, Il-Jeong Lee, Choong-Youl Im, Do-Hyun Kwon
  • Publication number: 20160181327
    Abstract: Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.
    Type: Application
    Filed: March 2, 2016
    Publication date: June 23, 2016
    Inventors: Choong Youl IM, Il Jung LEE, Do Hyun KWON, Ju Won YOON, Moo Soon KO, Min Woo WOO
  • Patent number: 9312311
    Abstract: Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: April 12, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choong Youl Im, Il Jung Lee, Do Hyun Kwon, Ju Won Yoon, Moo-Soon Ko, Min Woo Woo
  • Patent number: 9293514
    Abstract: An organic light emitting diode (OLED) display includes a scan line, a data line, a driving voltage line, a switching transistor, a driving transistor and an OLED. The scan line is formed on a substrate to transmit a scan signal. The data line and the driving voltage line, intersecting the scan line, transmit a data signal and a driving voltage, respectively. The switching transistor, electrically coupled to the scan line and the data line, includes a switching semiconductor layer, a switching gate electrode, and a gate insulating layer having a first thickness. The driving transistor, electrically coupled to the switching drain electrode, includes a driving semiconductor layer, a driving gate electrode and a gate insulating layer having a second thickness. The OLED is electrically coupled to the driving drain electrode. The data line and the driving voltage line are formed with different layers from each other.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do-Hyun Kwon, Il-Jeong Lee, Choong-Youl Im, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
  • Patent number: 9281319
    Abstract: A thin film transistor including: a substrate; an active layer formed over the substrate; a gate insulating layer formed over the active layer; a gate electrode formed over the gate insulating layer; an interlayer insulating layer formed over the gate electrode; and source and drain electrodes that contact the active layer via the interlayer insulating layer. The source and drain electrodes may have a structure including an aluminum (Al) layer, an aluminum-nickel alloy (AlNiX) layer, and an indium tin oxide (ITO) layer, which are sequentially stacked.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: March 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Yoon Kim, Il-Jeong Lee, Choong-Youl Im, Do-Hyun Kwon
  • Patent number: 9263590
    Abstract: A thin film transistor (TFT) includes a semiconductor active layer, a gate electrode, a source electrode, and a drain electrode. The semiconductor active layer includes a first doped region as a source region, a second doped region as a drain region, an undoped region between the first and second doped regions. A third doped region is disposed between the second doped region and the undoped region. The gate electrode is insulated from the semiconductor active layer and overlaps the third doped region and the undoped region. The source electrode and the drain electrode are connected to the first and second doped regions.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Kyu Lee, Do-Hyun Kwon, Min-Jung Lee, Sung-Eun Lee, Moo-Soon Ko
  • Publication number: 20160027856
    Abstract: A thin film transistor substrate includes a semiconductor pattern on a base substrate, a first insulation member disposed on the semiconductor pattern, a second insulation pattern disposed on the first insulation member, and a gate electrode disposed on the first insulation member and the second insulation pattern. The second insulation pattern overlaps a first end portion of the semiconductor pattern, and exposes a second end portion of the semiconductor pattern opposite to the first end portion. The gate electrode overlaps both the first insulation member and the second insulation pattern.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: Do-Hyun KWON, Min-Jung LEE, Sung-Eun LEE, Il-Jeong LEE, Jung-Kyu LEE, Kwang-Young CHOI
  • Patent number: 9231000
    Abstract: A thin film transistor array substrate includes a plurality of pixels, each of the pixels including a capacitor comprising a first electrode, and a second electrode located above the first electrode, a data line extending in a first direction, configured to provide a data signal, located above the capacitor, and overlapping a part of the capacitor, and a driving voltage line configured to supply a driving voltage, located between the capacitor and the data line, and comprising a first line extending in the first direction, and a second line extending in a second direction substantially perpendicular to the first direction.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: January 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moon-Soon Ko, Il-Jung Lee, Choong-Youl Im, Do-Hyun Kwon, Ju-Won Yoon, Min-Woo Woo
  • Publication number: 20150357393
    Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.
    Type: Application
    Filed: July 27, 2015
    Publication date: December 10, 2015
    Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
  • Patent number: 9190426
    Abstract: A display device includes a substrate, an active layer, a gate insulation layer, a gate electrode, an interlayer insulation layer, a clad layer, a source electrode, and a drain electrode. The active layer is disposed on the substrate. The gate insulation layer is disposed on the active layer. The gate electrode is disposed on the gate insulation layer. The interlayer insulation layer is disposed on the gate electrode. A dielectric constant of the interlayer insulation layer is less than a dielectric constant of the gate insulation layer. The clad layer is disposed on the interlayer insulation layer. The source and drain electrodes are disposed on the clad layer.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: November 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyun Kwon, Il-Jeong Lee, Min-Jung Lee, Sung-Eun Lee, Jung-Kyu Lee, Kwang-Young Choi
  • Patent number: 9184253
    Abstract: A thin film transistor substrate includes a semiconductor pattern on a base substrate, a first insulation member disposed on the semiconductor pattern, a second insulation pattern disposed on the first insulation member, and a gate electrode disposed on the first insulation member and the second insulation pattern. The second insulation pattern overlaps a first end portion of the semiconductor pattern, and exposes a second end portion of the semiconductor pattern opposite to the first end portion. The gate electrode overlaps both the first insulation member and the second insulation pattern.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do-Hyun Kwon, Min-Jung Lee, Sung-Eun Lee, Il-Jeong Lee, Jung-Kyu Lee, Kwang-Young Choi