Patents by Inventor Chang-Oh Jeong

Chang-Oh Jeong 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: 9431426
    Abstract: The present invention provides a thin film transistor array panel comprising an insulating substrate; a gate line formed on the insulating substrate; a gate insulating layer formed on the gate line; a drain electrode and a data line having a source electrode formed on the gate insulating layer, the drain electrode being adjacent to the source electrode with a gap therebetween; and a pixel electrode coupled to the drain electrode, wherein at least one of the gate line, the data line, and the drain electrode comprises a first conductive layer comprising a conductive oxide and a second conductive layer comprising copper (Cu).
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: August 30, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Je Hun Lee, Yang Ho Bae, Beom-Seok Cho, Chang Oh Jeong
  • Patent number: 9410234
    Abstract: Provided are a sputtering device and a method of forming a layer using the same. The method of forming a layer using the sputtering device includes: placing a substrate within a chamber; depositing target particles emitted from a target, which faces the substrate, on the substrate using a sputtering process; and horizontally moving a plurality of shield rods, which are installed in a shield mask disposed between the substrate and the target and are separated from each other along a first direction, during the sputtering process.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: August 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Ju Kang, Sang Woo Sohn, Sang Won Shin, Dong Hee Lee, Chang Oh Jeong
  • Patent number: 9405163
    Abstract: A thin film transistor substrate includes a base substrate and a thin film transistor. The base substrate includes a gate line and a data line. The thin film transistor is connected to the gate line and the data line. The thin film transistor includes a gate electrode, a semiconductor pattern and source, drain electrodes. The gate electrode is disposed on the base substrate. The semiconductor pattern overlaps with the gate electrode. The source, drain electrodes is spaced apart from each other. The source electrode includes a first source layer, a second source layer disposed on the first source layer and a first diffusion barrier disposed between the first source layer and second source layer. The drain electrode includes a first drain layer, a second drain layer disposed on the first drain layer and a second diffusion barrier disposed between the first drain layer and second drain layer.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Ju Kang, Sang-Woo Sohn, Sang-Won Shin, Chang-Oh Jeong
  • Publication number: 20160197190
    Abstract: Provided is a thin film transistor panel including: a substrate; a gate electrode positioned on the substrate; a gate insulating layer positioned on the gate electrode; an oxide semiconductor positioned on the gate insulating layer and including an oxide layer; and a source electrode and a drain electrode positioned on the oxide semiconductor and facing each other based on a channel of the oxide semiconductor, in which the oxide layer overlaps the gate electrode and is positioned on the oxide semiconductor.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 7, 2016
    Inventors: Dong Hee LEE, Sang Won SHIN, Hyun Ju KANG, Sang Woo SOHN, Chang Oh JEONG
  • Publication number: 20160197304
    Abstract: An organic light emitting display device includes a thin film transistor including a semiconductor layer, a gate electrode, and source and drain electrodes, a pixel electrode connected to the thin film transistor, the pixel electrode including a first layer, a second layer disposed on the first layer and including silver, and a third layer including a carbon-based material and covering an upper portion and lateral surface of the second layer, an organic emission layer including an organic light emitting member and disposed on the pixel electrode, and a common electrode disposed on the organic emission layer.
    Type: Application
    Filed: June 17, 2015
    Publication date: July 7, 2016
    Inventors: Su-Hyoung KANG, Hyun Eok SHIN, Chang Oh JEONG
  • Publication number: 20160160340
    Abstract: The method of forming a layer using the sputtering device includes: placing a substrate within a chamber; depositing target particles emitted from a target, which faces the substrate, on the substrate using a sputtering process; and horizontally moving a plurality of shield rods, which are installed in a shield mask disposed between the substrate and the target and are separated from each other along a first direction, during the sputtering process.
    Type: Application
    Filed: March 26, 2015
    Publication date: June 9, 2016
    Inventors: Hyun Ju KANG, Sang Woo SOHN, Sang Won SHIN, Dong Hee LEE, Chang Oh JEONG
  • Publication number: 20160147114
    Abstract: An array test modulator, including a first glass; a second glass facing the first glass and including a common electrode; a liquid crystal layer between the first glass and the second glass; and a reflection layer between the second glass and the liquid crystal layer and including a metal oxide layer.
    Type: Application
    Filed: July 7, 2015
    Publication date: May 26, 2016
    Inventors: Kyung Seop KIM, Byeong-Beom KIM, Chang Oh JEONG, Dong Min LEE
  • Publication number: 20160141378
    Abstract: A thin film transistor includes a gate electrode, a semiconductor layer, and source and drain electrodes contacting the semiconductor layer. The source and drain electrodes include a metal oxide having a crystal size in a c-axis direction Lc(002) that ranges from 67 ? or more to 144 ? or less.
    Type: Application
    Filed: April 20, 2015
    Publication date: May 19, 2016
    Inventors: Chan Woo YANG, Hyune Ok SHIN, Chang Oh JEONG, Su Kyoung YANG, Dong Min LEE
  • Patent number: 9340868
    Abstract: A sputtering device includes: a sputtering target; a substrate supporter facing the sputtering target and upon which a substrate is disposed; an anode mask between the sputtering target and the substrate which is on the substrate supporter; and a gas distribution member between the anode mask and the sputtering target, and including a plurality of gas distribution tubes separated from each other. Each gas distribution tube includes a plurality of discharge holes defined therein and through which gas is discharged to a vacuum chamber configured to receive the sputtering device.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Ho Hwang, Do-Hyun Kim, Sang Won Shin, Woo Song Kim, Chang-Oh Jeong
  • Publication number: 20160133348
    Abstract: Provided is a metal wire. The metal wire includes a copper layer, and at least one barrier layer. The barrier layer is disposed on at least one of an upper part and a lower part of the copper layer. The barrier layer includes an alloy including copper, nickel, and zinc.
    Type: Application
    Filed: March 17, 2015
    Publication date: May 12, 2016
    Inventors: Su Hyoung KANG, Sang Woo SOHN, Chang Oh JEONG, Gwang Min CHA
  • Publication number: 20160109745
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Application
    Filed: December 29, 2015
    Publication date: April 21, 2016
    Inventors: Hong Sick PARK, Seon-Il Kim, Min Ho Moon, Hyang-Shik KONG, Yeun Tae KIM, Chang Oh JEONG
  • Patent number: 9318510
    Abstract: A metal wire included in a display device, the metal wire includes a first metal layer including a nickel-chromium alloy, a first transparent oxide layer disposed on the first metal layer, and a second metal layer disposed on the first transparent oxide layer.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Seop Kim, Byeong-Beom Kim, Sang-Won Shin, Dae-Young Lee, Chang-Oh Jeong, Joon-Yong Park, Dong-Min Lee
  • Publication number: 20160062162
    Abstract: A thin film transistor substrate includes a base substrate and a thin film transistor. The base substrate includes a gate line and a data line. The thin film transistor is connected to the gate line and the data line. The thin film transistor includes a gate electrode, a semiconductor pattern and source, drain electrodes. The gate electrode is disposed on the base substrate. The semiconductor pattern overlaps with the gate electrode. The source, drain electrodes is spaced apart from each other. The source electrode includes a first source layer, a second source layer disposed on the first source layer and a first diffusion barrier disposed between the first source layer and second source layer. The drain electrode includes a first drain layer, a second drain layer disposed on the first drain layer and a second diffusion barrier disposed between the first drain layer and second drain layer.
    Type: Application
    Filed: March 20, 2015
    Publication date: March 3, 2016
    Inventors: Hyun-Ju KANG, Sang-Woo SOHN, Sang-Won SHIN, Chang-Oh JEONG
  • Patent number: 9235074
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: January 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hong Sick Park, Seon-II Kim, Min Ho Moon, Hyang-Shik Kong, Yeun Tae Kim, Chang Oh Jeong
  • Publication number: 20150357349
    Abstract: The present invention provides a thin film transistor array panel comprising an insulating substrate; a gate line formed on the insulating substrate; a gate insulating layer formed on the gate line; a drain electrode and a data line having a source electrode formed on the gate insulating layer, the drain electrode being adjacent to the source electrode with a gap therebetween; and a pixel electrode coupled to the drain electrode, wherein at least one of the gate line, the data line, and the drain electrode comprises a first conductive layer comprising a conductive oxide and a second conductive layer comprising copper (Cu).
    Type: Application
    Filed: August 17, 2015
    Publication date: December 10, 2015
    Inventors: Je Hun LEE, Yang Ho BAE, Beom-Seok CHO, Chang Oh JEONG
  • Patent number: 9196746
    Abstract: A thin film transistor includes a gate electrode on a substrate, a main active layer in electrical connection with the gate electrode and including an exposed channel portion, a source electrode in electrical connection with the main active layer, a drain electrode which is spaced apart from the source electrode and in electrical connection with the main active layer, and a sub active layer in electrical connection to the main active layer.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hong-Long Ning, Byeong-Beom Kim, Chang-Oh Jeong, Sang-Won Shin, Hyeong-Suk Yoo, Xin-Xing Li, Joon-Yong Park, Hyun-Ju Kang, Su-Kyoung Yang, Kyung-Seop Kim
  • Patent number: 9171999
    Abstract: A thin film transistor array panel is provided and includes a gate line, a gate insulating layer covering the gate line, a semiconductor layer disposed on the gate insulating layer, and a data line and a drain electrode disposed on the semiconductor layer. The data line and the drain electrode have a dual-layered structure including a lower layer and an upper layer with the lower layer having a first portion protruded outside the upper layer and the semiconductor layer having a second portion protruded outside the edge of the lower layer.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 27, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Oh Jeong, Woo-Sung Sohn, Dong-Gyu Kim, Shi-Yul Kim, Ki-Yeup Lee, Jean-Ho Song
  • Patent number: 9111802
    Abstract: The present invention provides a thin film transistor array panel comprising an insulating substrate; a gate line formed on the insulating substrate; a gate insulating layer formed on the gate line; a drain electrode and a data line having a source electrode formed on the gate insulating layer, the drain electrode being adjacent to the source electrode with a gap therebetween; and a pixel electrode coupled to the drain electrode, wherein at least one of the gate line, the data line, and the drain electrode comprises a first conductive layer comprising a conductive oxide and a second conductive layer comprising copper (Cu).
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je Hun Lee, Yang Ho Bae, Beom-Seok Cho, Chang Oh Jeong
  • Publication number: 20150091004
    Abstract: A metal wire included in a display device, the metal wire includes a first metal layer including a nickel-chromium alloy, a first transparent oxide layer disposed on the first metal layer, and a second metal layer disposed on the first transparent oxide layer.
    Type: Application
    Filed: September 22, 2014
    Publication date: April 2, 2015
    Inventors: Kyung-Seop Kim, Byeong-Beom Kim, Sang-Won Shin, Dae-Young Lee, Chang-Oh Jeong, Joon-Yong Park, Dong-Min Lee
  • Publication number: 20150042936
    Abstract: A liquid crystal display includes a substrate; a first electrode on the substrate; a second electrode on the first electrode and separated from the first electrode; a cavity defined between the first electrode and the second electrode; a first protection layer on the second electrode; a cover layer on the first protection layer; and a liquid crystal layer including liquid crystal molecules in the cavity. The second electrode includes metal oxide and zinc oxide.
    Type: Application
    Filed: December 8, 2013
    Publication date: February 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joon Yong PARK, Dong Min LEE, Sang Wook LEE, Chang Oh JEONG, Gyung Min BAEK, Kyung Tae CHAE