Patents by Inventor Gyu Weon Hwang

Gyu Weon Hwang 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: 11156752
    Abstract: Provided is an optical filter including a first filter region including a first layer of a first refractive index and a plurality of first metal nanostructures in the first layer, and a second filter region including a second layer of a second refractive index and a plurality of second metal nanostructures in the second layer, wherein the first refractive index is different from the second refractive index.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 26, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gyu Weon Hwang, Kyeong Seok Lee, Won Mok Kim
  • Publication number: 20210215863
    Abstract: The present invention provides an optical device including a spectral filter and an optical detection unit for detecting light passing through the spectral filter. A band-limited filter is provided on the path of light.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok LEE, Gyu Weon HWANG, Won Mok KIM, In Ho KIM, Hyun Chul KIM
  • Publication number: 20210187907
    Abstract: Provided is an optical filter including first and second reflection layers separated from each other, a dielectric region interposed between the first and second reflection layers and in which two materials of which refractive indexes are different are alternately disposed, and a buffer layer disposed between the dielectric region and at least one of the first and second reflection layers, wherein there are at least two filter regions in which relative volume ratios of the two materials alternately disposed are different.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 24, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok LEE, Gyu Weon HWANG, Won Mok KIM, In Ho KIM, Wook Seong LEE, Doo Seok JEONG
  • Patent number: 10989847
    Abstract: The present invention provides an optical device including a spectral filter and an optical detection unit for detecting light passing through the spectral filter. A band-limited filter is provided on the path of light.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: April 27, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok Lee, Gyu Weon Hwang, Won Mok Kim, In Ho Kim, Hyun Chul Kim
  • Patent number: 10908019
    Abstract: Present invention provides a spectrometer including a first unit spectral filter configured to absorb or reflect light in a part of a wavelength band of a light spectrum of an incident target, a second unit spectral filter configured to absorb or reflect light in a wavelength band different from the part of the wavelength band, a first light detector configured to detect a first light spectrum passing through the first unit spectral filter, a second light detector configured to detect a second light spectrum passing through the second unit spectral filter, and a processing unit configured to perform a function of restoring a light spectrum of the target incident from spectra of light detected from the first light detector and the second light detector.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: February 2, 2021
    Assignee: Samsung Electrionics Co., Ltd.
    Inventors: Kyeong Seok Lee, Won Mok Kim, Gyu Weon Hwang, In Ho Kim, Wook Seong Lee, Doo Seok Jeong
  • Publication number: 20190025482
    Abstract: The present invention provides an optical device including a spectral filter and an optical detection unit for detecting light passing through the spectral filter. A band-limited filter is provided on the path of light.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 24, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok LEE, Gyu Weon HWANG, Won Mok KIM, In Ho KIM, Hyun Chul KIM
  • Publication number: 20190025120
    Abstract: Present invention provides a spectrometer including a first unit spectral filter configured to absorb or reflect light in a part of a wavelength band of a light spectrum of an incident target, a second unit spectral filter configured to absorb or reflect light in a wavelength band different from the part of the wavelength band, a first light detector configured to detect a first light spectrum passing through the first unit spectral filter, a second light detector configured to detect a second light spectrum passing through the second unit spectral filter, and a processing unit configured to perform a function of restoring a light spectrum of the target incident from spectra of light detected from the first light detector and the second light detector.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 24, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok LEE, Won Mok KIM, Gyu Weon HWANG, In Ho KIM, Wook Seong LEE, Doo Seok JEONG
  • Publication number: 20190018188
    Abstract: Provided is an optical filter including a cladding layer, a plurality of metal patterns configured to form a periodic lattice structure on the cladding layer; and an optical waveguide layer on the plurality of metal patterns. Light travels from the optical waveguide layer to the cladding layer. Provided is an optical device using the optical filter.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 17, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok LEE, Gyu Weon HWANG, In Ho KIM, Won Mok KIM, Wook Seong LEE, Doo Seok JEONG
  • Publication number: 20190016091
    Abstract: Provided is an optical filter including first and second reflection layers separated from each other, a dielectric region interposed between the first and second reflection layers and in which two materials of which refractive indexes are different are alternately disposed, and a buffer layer disposed between the dielectric region and at least one of the first and second reflection layers, wherein there are at least two filter regions in which relative volume ratios of the two materials alternately disposed are different.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 17, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok LEE, Gyu Weon HWANG, Won Mok KIM, In Ho KIM, Wook Seong LEE, Doo Seok JEONG
  • Publication number: 20190004222
    Abstract: Provided is an optical filter including a first filter region including a first layer of a first refractive index and a plurality of first metal nanostructures in the first layer, and a second filter region including a second layer of a second refractive index and a plurality of second metal nanostructures in the second layer, wherein the first refractive index is different from the second refractive index.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 3, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gyu Weon HWANG, Kyeong Seok LEE, Won Mok KIM
  • Patent number: 8973526
    Abstract: A plasma deposition apparatus includes a cathode assembly including a cathode disk and a water-coolable cathode holder supporting the cathode disk, an anode assembly including a water-coolable anode holder, a substrate mounted on the anode holder to serve as an anode, and a substrate holder mounting and supporting the substrate, and a reactor for applying a potential difference between opposing surfaces of the cathode assembly and the anode assembly under a vacuum state to form plasma of a raw gas. The cathode disk comes into thermal contact with the cathode holder using at least one of a self weight and a vacuum absorption force so as to permit thermal expansion of the cathode disk.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: March 10, 2015
    Assignee: Korea Institute of Science and Technology
    Inventors: Wook Seong Lee, Young Joon BaiK, Jong-Keuk Park, Gyu Weon Hwang, Jeung-hyun Jeong
  • Patent number: 8154058
    Abstract: A bio-sensor includes a gate dielectric formed on a silicon semiconductor substrate, a gate electrode of a conductive diamond film formed on the gate dielectric, probe molecules bonded on the gate electrode for detecting biomolecules, and source/drain regions formed on the semiconductor substrate at the sides of the gate electrode. The gate electrode is a comb shape or a lattice shape.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: April 10, 2012
    Assignee: Korea Institute of Science and Technology
    Inventors: Gyu Weon Hwang, Wook Seong Lee, Jeung-hyun Jeong, Jong-Keuk Park, Young Joon Baik
  • Publication number: 20090127102
    Abstract: A plasma deposition apparatus includes a cathode assembly including a cathode disk and a water-coolable cathode holder supporting the cathode disk, an anode assembly including a water-coolable anode holder, a substrate mounted on the anode holder to serve as an anode, and a substrate holder mounting and supporting the substrate, and a reactor for applying a potential difference between opposing surfaces of the cathode assembly and the anode assembly under a vacuum state to form plasma of a raw gas. The cathode disk comes into thermal contact with the cathode holder using at least one of a self weight and a vacuum absorption force so as to permit thermal expansion of the cathode disk.
    Type: Application
    Filed: December 10, 2007
    Publication date: May 21, 2009
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Wook Seong LEE, Young Joon BaiK, Jong-Keuk Park, Gyu Weon Hwang, Jeung-hyun Jeong