Patents by Inventor Won-Mok Kim

Won-Mok 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).

  • Publication number: 20200274007
    Abstract: Provided is a color-controllable thin-film solar cell including a transparent electrode layer disposed on an absorption layer, and color structure patterns disposed on at least parts of the transparent electrode layer.
    Type: Application
    Filed: March 27, 2019
    Publication date: August 27, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeung Hyun JEONG, Kyeong Seok Lee, Doh Kwon Lee, Won Mok Kim, Hyeong Geun Yu
  • Patent number: 10566478
    Abstract: Provided are a thin-film solar cell module structure and a method of manufacturing the same.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: February 18, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeung-Hyun Jeong, Jong-Keuk Park, Won Mok Kim, Seung Hee Han, Doh Kwon Lee
  • Publication number: 20200025988
    Abstract: An exemplary embodiment relates to a nano-color coating layer and a method of forming the same, and more particularly, to a color structure representing a back side-reflection color with metallic luster and high chroma when observed in a substrate incident mode by greatly enhancing light absorbance at a specific wavelength using a resonance structure in which a light absorbing material is inserted between a transparent substrate and an upper mirror layer. In addition, the exemplary embodiment provides a color structure which controls metallic luster and texture of a high-chroma color from gloss-semi-gloss-matte texture in various ways by introducing a haze surface structure in which light scattering occurs on at least one surface of the transparent substrate.
    Type: Application
    Filed: July 12, 2019
    Publication date: January 23, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyeong Seok LEE, Doh Kwon Lee, Jeung Hyun Jeong, Won Mok Kim
  • Publication number: 20190341510
    Abstract: Provided is a chalcogenide thin film solar cell having a transparent back electrode, including a transparent substrate, a photoactive layer including an S, Se-based chalcogenide material, and a back electrode disposed between the transparent substrate and the photoactive layer and including a transparent conductive oxide containing titanium (Ti).
    Type: Application
    Filed: November 12, 2018
    Publication date: November 7, 2019
    Inventors: Won Mok KIM, Jeung Hyun JEONG, Jong Keuk PARK, Sung Bin CHOI
  • 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: 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: 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: 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: 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
  • Publication number: 20180108795
    Abstract: Provided are a thin-film solar cell module structure and a method of manufacturing the same.
    Type: Application
    Filed: September 15, 2017
    Publication date: April 19, 2018
    Inventors: Jeung-Hyun JEONG, Jong-Keuk PARK, Won Mok KIM, Seung Hee HAN, Doh Kwon LEE
  • Patent number: 9941423
    Abstract: A method for manufacturing a thin film solar cell includes: depositing a transparent first rear electrode on a first surface of a transparent substrate; depositing a second rear electrode having a high-conductive metal on the first rear electrode; performing a first laser scribing process to separate a double layer of the first and second rear electrodes; depositing a light absorption layer having selenium (Se) or sulfur (S) on the second rear electrode; performing a second laser scribing process by inputting a laser to a second surface of the transparent substrate to separate the light absorption layer; depositing a transparent electrode on the light absorption layer; and performing a third laser scribing process by inputting a laser to the second surface to separate the transparent electrode. Accordingly, patterning may be performed in a substrate-incident laser manner to improve price, productivity and precision of the patterning process.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: April 10, 2018
    Assignee: Korea Institute of Science and Technology
    Inventors: Jeung-hyun Jeong, Won Mok Kim, Jong-Keuk Park
  • Patent number: 9726788
    Abstract: A method for fabricating a nanoantenna array may include forming a resist layer on a substrate, forming a focusing layer having a dielectric microstructure array on the resist layer, diffusing light one-dimensionally in a specific direction by using a linear diffuser, forming an anisotropic pattern on the resist layer by illuminating the light diffused by the linear diffuser on the focusing layer and the resist layer, depositing a material suitable for a plasmonic resonance onto the substrate and the resist layer on which the pattern is formed, and forming a nanoantenna array on the substrate by removing the resist layer and the material deposited on the resist layer. A light diffusing angle by the linear diffuser and a size of the dielectric microstructure are determined based on an aspect ratio of the pattern to be formed.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: August 8, 2017
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyeong Seok Lee, Won Mok Kim, Taek Sung Lee, Wook Seong Lee, Doo Seok Jeong, Inho Kim
  • Patent number: 9482798
    Abstract: A plasmonic nano-color coating layer includes a composite layer including a plurality of metal particle layers and a plurality of matrix layers and having a periodic multilayer structure in which the metal particle layers and the matrix layers are alternately arranged, a dielectric buffer layer located below the composite layer, and a mirror layer located below the dielectric buffer layer, wherein the color of the plasmonic nano-color coating layer is determined based on a nominal thickness of the metal particle layer and a separation between the metal particle layers.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: November 1, 2016
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyeong Seok Lee, Won Mok Kim, Taek Sung Lee, Wook Seong Lee, Doo Seok Jeong, Inho Kim
  • Publication number: 20160126376
    Abstract: A method for manufacturing a thin film solar cell includes: depositing a transparent first rear electrode on a first surface of a transparent substrate; depositing a second rear electrode having a high-conductive metal on the first rear electrode; performing a first laser scribing process to separate a double layer of the first and second rear electrodes; depositing a light absorption layer having selenium (Se) or sulfur (S) on the second rear electrode; performing a second laser scribing process by inputting a laser to a second surface of the transparent substrate to separate the light absorption layer; depositing a transparent electrode on the light absorption layer; and performing a third laser scribing process by inputting a laser to the second surface to separate the transparent electrode. Accordingly, patterning may be performed in a substrate-incident laser manner to improve price, productivity and precision of the patterning process.
    Type: Application
    Filed: July 20, 2015
    Publication date: May 5, 2016
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeung-hyun JEONG, Won Mok KIM, Jong-Keuk PARK
  • Patent number: 9285534
    Abstract: A fiber-optic surface plasmon resonance sensor may include an optical fiber and a surface plasmon excitation layer. The optical fiber may include a core, a cladding surrounding the core, and a depression. The surface plasmon excitation layer may include a first excitation layer, a second excitation layer and an optical waveguide layer between the first excitation layer and the second excitation layer. Incident light incident through the core may be coupled to the surface plasmon excitation layer at a specific angle of incidence and wavelength satisfying the surface plasmon resonance condition. Depending on the polarizing direction of the incident light, an s-polarized component may be coupled to the guided-wave mode in the optical waveguide layer constituting the surface plasmon excitation layer.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: March 15, 2016
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyeong Seok Lee, Won Mok Kim, Taek Sung Lee, In Ho Kim
  • Publication number: 20150364724
    Abstract: The invention relates to a method for producing an organic component having a layered arrangement, wherein the method includes the following steps: Preparing a substrate and producing a layer stack having an electrode, a counter electrode and organic layers with a light-emitting zone on the substrate, wherein the organic layers are produced between the electrode and the counter electrode, and in electrical contact with the electrode and the counter electrode, wherein the layer arrangement is produced with a light scattering functional layer containing metal oxide particles distributed randomly in two dimensions. The invention further relates to an organic light-emitting component having a layer arrangement.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 17, 2015
    Applicant: Technische Universitaet Dresden
    Inventors: Yong Hyun Kim, Lars Mueller-Meskamp, Jonghee Lee, Simone Hofmann, Won Mok Kim, Karl Leo
  • Publication number: 20150302997
    Abstract: The present invention relates to a flexible photoelectrode and a manufacturing method thereof, and a dye-sensitized solar cell using the same. More particularly, the present invention relates to a flexible photoelectrode capable of forming a semiconductor electrode with excellent photoelectric conversion efficiency on a plastic substrate at low temperatures in a simple and stable manner, in which it is prepared by forming a nanocrystalline metal oxide layer calcined at high temperature on a high temperature resistant substrate, and transferring it to a flexible transparent substrate by a transfer method using an HF solution, and a flexible dye-sensitized solar cell comprising the same.
    Type: Application
    Filed: July 1, 2015
    Publication date: October 22, 2015
    Inventors: Min Jae KO, Kyungkon KIM, Won Mok KIM, Seung Hee HAN, Hong Gon KIM, Doh-Kwon LEE, Ki Cheon YOO, Jin-soo KIM
  • Publication number: 20150146180
    Abstract: A method for fabricating a nanoantenna array may include forming a resist layer on a substrate, forming a focusing layer having a dielectric microstructure array on the resist layer, diffusing light one-dimensionally in a specific direction by using a linear diffuser, forming an anisotropic pattern on the resist layer by illuminating the light diffused by the linear diffuser on the focusing layer and the resist layer, depositing a material suitable for a plasmonic resonance onto the substrate and the resist layer on which the pattern is formed, and forming a nanoantenna array on the substrate by removing the resist layer and the material deposited on the resist layer. A light diffusing angle by the linear diffuser and a size of the dielectric microstructure are determined based on an aspect ratio of the pattern to be formed.
    Type: Application
    Filed: April 15, 2014
    Publication date: May 28, 2015
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyeong Seok LEE, Won Mok KIM, Taek Sung LEE, Wook Seong LEE, Doo Seok JEONG, Inho KIM
  • Publication number: 20150116856
    Abstract: A plasmonic nano-color coating layer includes a composite layer including a plurality of metal particle layers and a plurality of matrix layers and having a periodic multilayer structure in which the metal particle layers and the matrix layers are alternately arranged, a dielectric buffer layer located below the composite layer, and a mirror layer located below the dielectric buffer layer, wherein the color of the plasmonic nano-color coating layer is determined based on a nominal thickness of the metal particle layer and a separation between the metal particle layers.
    Type: Application
    Filed: March 19, 2014
    Publication date: April 30, 2015
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyeong Seok LEE, Won Mok KIM, Taek Sung LEE, Wook Seong LEE, Doo Seok JEONG, Inho KIM
  • Publication number: 20140326319
    Abstract: The present disclosure relates to a Se or S based thin film solar cell and a method for fabricating the same, which may improve the structural and electrical characteristics of an upper transparent electrode layer by controlling a structure of a lower transparent electrode layer in a thin film solar cell having a Se or S based light absorption layer. In the Se or S based thin film solar cell having a light absorption layer and a front transparent electrode layer, the front transparent electrode layer comprises a lower transparent electrode layer and an upper transparent electrode layer, and the lower transparent electrode layer comprises an oxide-based thin film obtained by blending an impurity element into a mixed oxide in which Zn oxide and Mg oxide are mixed (also, referred to as an ‘impurity-doped Zn—Mg-based oxide thin film’).
    Type: Application
    Filed: July 16, 2013
    Publication date: November 6, 2014
    Inventors: Won Mok KIM, Jin-soo KIM, Jeung-hyun JEONG, Jong-Keuk PARK, Young Joon BAIK