Patents by Inventor Si-Joon KIM

Si-Joon 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: 11107866
    Abstract: An array test apparatus includes a signal transmission unit which transmits a data signal to each of a plurality of data lines of a low-temperature polysilicon (“LTPS”) substrate, a signal measurement unit which measures the data signal of each of the data lines of the LTPS substrate, a timer which generates a horizontal period for setting a section in which the data signal is transmitted from the signal transmission unit to each of the data lines and a section in which the data signal output from each of the data lines is measured by the signal measurement unit, and a determination unit which determines whether each of the data lines of the LTPS substrate is normal based on the data signal measured by the signal measurement unit.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Geol Kim, Si Joon Kim, Hee Seon Kim
  • Publication number: 20200135815
    Abstract: An array test apparatus includes a signal transmission unit which transmits a data signal to each of a plurality of data lines of a low-temperature polysilicon (“LTPS”) substrate, a signal measurement unit which measures the data signal of each of the data lines of the LTPS substrate, a timer which generates a horizontal period for setting a section in which the data signal is transmitted from the signal transmission unit to each of the data lines and a section in which the data signal output from each of the data lines is measured by the signal measurement unit, and a determination unit which determines whether each of the data lines of the LTPS substrate is normal based on the data signal measured by the signal measurement unit.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 30, 2020
    Inventors: Joon Geol KIM, Si Joon KIM, Hee Seon KIM
  • Patent number: 10553659
    Abstract: An array test apparatus includes a signal transmission unit which transmits a data signal to each of a plurality of data lines of a low-temperature polysilicon (“LTPS”) substrate, a signal measurement unit which measures the data signal of each of the data lines of the LTPS substrate, a timer which generates a horizontal period for setting a section in which the data signal is transmitted from the signal transmission unit to each of the data lines and a section in which the data signal output from each of the data lines is measured by the signal measurement unit, and a determination unit which determines whether each of the data lines of the LTPS substrate is normal based on the data signal measured by the signal measurement unit.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Geol Kim, Si Joon Kim, Hee Seon Kim
  • Patent number: 9978592
    Abstract: Disclosed is a method for repairing an oxide thin film, including repairing the oxide thin film by forming a repairing material that contains an oxide at a defect of the oxide thin film.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: May 22, 2018
    Assignee: Industry-Academic Cooperation Foundation, Yonsi University
    Inventors: Hyun Jae Kim, Young Jun Tak, Si Joon Kim, Seokhyun Yoon
  • Publication number: 20170064297
    Abstract: An array test device for a display panel includes a stage on which the display panel including a plurality of pixel circuits is disposed, a contact unit including a plurality of probe pins, an adjustment unit which adjusts the contact unit such that the probe pins contact a plurality of pads of the display panel, and a testing unit which applies an array test signal to the pixel circuits of the display panel through the probe pins and the pads, receives a test result signal from the pixel circuits through the pads and the probe pins, generates waveform information representing a waveform of the test result signal, and determines whether the pixel circuits are defective based on the waveform information.
    Type: Application
    Filed: March 2, 2016
    Publication date: March 2, 2017
    Inventors: Joon-Geol KIM, Si-Joon KIM, Hee-Seon KIM
  • Publication number: 20170038427
    Abstract: An array test apparatus includes a signal transmission unit which transmits a data signal to each of a plurality of data lines of a low-temperature polysilicon (“LTPS”) substrate, a signal measurement unit which measures the data signal of each of the data lines of the LTPS substrate, a timer which generates a horizontal period for setting a section in which the data signal is transmitted from the signal transmission unit to each of the data lines and a section in which the data signal output from each of the data lines is measured by the signal measurement unit, and a determination unit which determines whether each of the data lines of the LTPS substrate is normal based on the data signal measured by the signal measurement unit.
    Type: Application
    Filed: February 8, 2016
    Publication date: February 9, 2017
    Inventors: Joon Geol KIM, Si Joon KIM, Hee Seon KIM
  • Publication number: 20160308034
    Abstract: Disclosed is a method for repairing an oxide thin film, including repairing the oxide thin film by forming a repairing material that contains an oxide at a defect of the oxide thin film.
    Type: Application
    Filed: April 12, 2016
    Publication date: October 20, 2016
    Inventors: Hyun Jae KIM, Young Jun TAK, Si Joon KIM, Seokhyun YOON
  • Patent number: 9224598
    Abstract: Provided is a composition for forming tin oxide semiconductor including a tin precursor compound, an antimony precursor compound, and a solvent, according to an aspect of the present disclosure. Also provided is a method of forming a tin oxide semiconductor thin film. The method includes preparing a composition including a tin precursor compound and an antimony precursor compound dissolved in a solvent; disposing the composition on a substrate; and performing a heat treatment on the substrate coated with the composition.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: December 29, 2015
    Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Chaun-Gi Choi, Yeon-Gon Mo, Hyun-Jae Kim, Hyun-Soo Lim, Si-Joon Kim, Tae-Soo Jung, You-Seung Rim
  • Publication number: 20150279671
    Abstract: The present invention disclosed herein relates to a method for forming an oxide film and a method for fabricating an oxide thin film transistor, and more particularly, to a method for forming an oxide film and a method for fabricating an oxide thin film transistor which employ a germanium doping. A method for forming an oxide thin film according to an embodiment of the present invention, the method includes: applying a metal compound on a substrate; and heat-treating the substrate, wherein the metal compound solution is prepared by dissolving an indium compound, a zinc compound and a germanium compound in a solvent.
    Type: Application
    Filed: March 17, 2015
    Publication date: October 1, 2015
    Inventors: Hyun Jae Kim, Chul Ho Kim, Si Joon Kim, Tae Soo Jung
  • Publication number: 20150064839
    Abstract: A method of forming a tin oxide semiconductor thin film includes preparing a precursor solution including a tin oxide semiconductor, coating the precursor solution on a substrate; and performing a heat treatment on the substrate coated with the precursor solution. A tin compound having a different tin valence according to a semiconductor type of the tin oxide semiconductor may be used in the precursor solution.
    Type: Application
    Filed: July 17, 2014
    Publication date: March 5, 2015
    Inventors: Chaun-Gi CHOI, Yeon-Gon MO, Hyun-Jae KIM, Hyun-Soo LIM, Si-Joon KIM, Tae-Soo JUNG, You-Seung RIM
  • Publication number: 20150011044
    Abstract: Provided is a composition for forming tin oxide semiconductor including a tin precursor compound, an antimony precursor compound, and a solvent, according to an aspect of the present disclosure. Also provided is a method of forming a tin oxide semiconductor thin film. The method includes preparing a composition including a tin precursor compound and an antimony precursor compound dissolved in a solvent; disposing the composition on a substrate; and performing a heat treatment on the substrate coated with the composition.
    Type: Application
    Filed: December 5, 2013
    Publication date: January 8, 2015
    Applicants: Industry-Academic Cooperation Foundation, Yonsei University, Samsung Display Co., Ltd.
    Inventors: Chaun-Gi CHOI, Yeon-Gon MO, Hyun-Jae KIM, Hyun-Soo LIM, Si-Joon KIM, Tae-Soo JUNG, You-Seung RIM