Patents by Inventor HongKyw Choi

HongKyw Choi 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: 10545114
    Abstract: Provided is a chemical sensor which includes an alignment frame that has an opening that passes through the inside of the alignment frame and includes first and second side portions that face each other with the opening therebetween and insulation portions disposed between the first and second side portions, a plurality of sensing fibers disposed in two-dimensions across the opening of the alignment frame so as to connect the first side portion and the second side portion, and a source pattern and a drain pattern connected to the first side portion and the second side portion of the alignment frame, respectively.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: January 28, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Doo Hyeb Youn, Sun Jin Yun, Changbong Yeon, Young-Jun Yu, HongKyw Choi
  • Publication number: 20180372677
    Abstract: Provided is a chemical sensor which includes an alignment frame that has an opening that passes through the inside of the alignment frame and includes first and second side portions that face each other with the opening therebetween and insulation portions disposed between the first and second side portions, a plurality of sensing fibers disposed in two-dimensions across the opening of the alignment frame so as to connect the first side portion and the second side portion, and a source pattern and a drain pattern connected to the first side portion and the second side portion of the alignment frame, respectively.
    Type: Application
    Filed: April 6, 2018
    Publication date: December 27, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Doo Hyeb YOUN, Sun Jin YUN, Changbong Yeon, Young-Jun YU, HongKyw CHOI
  • Patent number: 9799856
    Abstract: Provided is an organic light emitting diodes (OLED) and method of manufacturing the OLED. The OLED includes: a substrate; a light scattering layer having an uneven shape on the substrate; a transparent electrode film provided directly on and in contact with the light scattering layer; an organic light emitting layer on the transparent electrode film; and an electrode on the organic light emitting layer. The method of manufacturing the OLED includes: disposing a light scattering layer on a substrate; providing a transparent electrode film on the light scattering layer; and transferring the transparent electrode film to be directly on and in contact with the light scattering layer.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: October 24, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Wook Shin, Jeong Ik Lee, HongKyw Choi, Jaehyun Moon, Jonghee Lee, Nam Sung Cho, Doo-Hee Cho, Chul Woong Joo, Jun-Han Han
  • Publication number: 20170110693
    Abstract: Provided is an organic light emitting diodes (OLED) and method of manufacturing the OLED. The OLED includes: a substrate; a light scattering layer having an uneven shape on the substrate; a transparent electrode film provided directly on and in contact with the light scattering layer; an organic light emitting layer on the transparent electrode film; and an electrode on the organic light emitting layer. The method of manufacturing the OLED includes: disposing a light scattering layer on a substrate; providing a transparent electrode film on the light scattering layer; and transferring the transparent electrode film to be directly on and in contact with the light scattering layer.
    Type: Application
    Filed: December 30, 2016
    Publication date: April 20, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Jin Wook SHIN, Jeong Ik LEE, HongKyw CHOI, Jaehyun MOON, Jonghee LEE, Nam Sung CHO, Doo-Hee CHO, Chul Woong JOO, Jun-Han HAN
  • Patent number: 9577223
    Abstract: Provided is an organic light emitting diodes (OLED) and method of manufacturing the OLED. The OLED includes: a substrate; a light scattering layer having an uneven shape on the substrate; a transparent electrode film provided directly on and in contact with the light scattering layer; an organic light emitting layer on the transparent electrode film; and an electrode on the organic light emitting layer. The method of manufacturing the OLED includes: disposing a light scattering layer on a substrate; providing a transparent electrode film on the light scattering layer; and transferring the transparent electrode film to be directly on and in contact with the light scattering layer.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: February 21, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Wook Shin, Jeong Ik Lee, HongKyw Choi, Jaehyun Moon, Jonghee Lee, Nam Sung Cho, Doo-Hee Cho, Chul Woong Joo, Jun-Han Han
  • Publication number: 20150340659
    Abstract: Provided is an organic light emitting diodes (OLED) and method of manufacturing the OLED. The OLED includes: a substrate; a light scattering layer having an uneven shape on the substrate; a transparent electrode film provided directly on and in contact with the light scattering layer; an organic light emitting layer on the transparent electrode film; and an electrode on the organic light emitting layer. The method of manufacturing the OLED includes: disposing a light scattering layer on a substrate; providing a transparent electrode film on the light scattering layer; and transferring the transparent electrode film to be directly on and in contact with the light scattering layer.
    Type: Application
    Filed: March 19, 2015
    Publication date: November 26, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Wook SHIN, Jeong Ik LEE, HongKyw CHOI, Jaehyun MOON, Jonghee LEE, Nam Sung CHO, Doo-Hee CHO, Chul Woong JOO, Jun-Han HAN
  • Patent number: 9178032
    Abstract: Provided is a gas sensor including a substrate, a sensing electrode extended in a first direction on the substrate, and a plurality of heaters disposed in a second direction crossing the first direction on the substrate. The plurality of heaters is separated at both sides of the sensing electrode. The plurality of heaters includes graphene.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: November 3, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Jun Yu, Hongkyw Choi, Jin Sik Choi, Kwang Hyo Chung, Jin Tae Kim, Doo Hyeb Youn, Choon Gi Choi
  • Publication number: 20140231933
    Abstract: Provided is a gas sensor including a substrate, a sensing electrode extended in a first direction on the substrate, and a plurality of heaters disposed in a second direction crossing the first direction on the substrate. The plurality of heaters is separated at both sides of the sensing electrode. The plurality of heaters includes graphene.
    Type: Application
    Filed: January 24, 2014
    Publication date: August 21, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young-Jun YU, Hongkyw CHOI, Jin Sik CHOI, Kwang Hyo CHUNG, Jin Tae KIM, Doo Hyeb YOUN, Choon Gi CHOI
  • Publication number: 20130041434
    Abstract: A pad for thermotherapy includes: a stretchable and flexible substrate; an electrode pattern positioned over the stretchable and flexible substrate, and including a plurality of light source electrodes and a linear electrode connecting the light source electrodes; light sources positioned over the electrode pattern; and a power supply unit for supplying power to the light source, wherein the linear electrode is formed longer than intervals between neighboring light source electrodes and separated from the substrate.
    Type: Application
    Filed: August 9, 2012
    Publication date: February 14, 2013
    Applicant: Electronics and Telecommunicatios Research Institute
    Inventors: Doo Hyeb YOUN, Sung-Yool Choi, HongKyw Choi, Jongyun Kim