Patents by Inventor Ho-Jin Lee

Ho-Jin Lee 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: 11028711
    Abstract: According to the present invention, part of carbon dioxide heated by a heater is supplied to a dry gas seal portion of a compressor so that a device for pressurizing and heating a seal gas is not additionally required, configuration can be simplified and cost can be reduced. In addition, a seal gas flow path includes a low-temperature seal gas flow path and a high-temperature seal gas flow path so that, in an initial driving mode, carbon dioxide heated by a high-temperature portion of the heater is used as a seal gas and in a turbine-driving mode, carbon dioxide heated by a low-temperature portion of the heater is used as a seal gas and thus a more efficient operation can be performed.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 8, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jun Hyun Cho, Bong Su Choi, Ho Sang Ra, Hyung Ki Shin, Jong Jae Cho, Beom Joon Lee, Chul Woo Roh, Gil Bong Lee, Young Jin Baik
  • Patent number: 11030972
    Abstract: An electronic device is disclosed. The electronic device includes a sensor, a storage unit for storing a color matching function (CMF), which has been pre-defined according to characteristics of a light source, and a processor for acquiring spectral information regarding at least one pixel of a display panel by using a sensor, for acquiring color stimulus values regarding at least one pixel on the basis of the stored CMF and the acquired spectral information, and for acquiring a correction coefficient regarding at least one pixel of the display panel on the basis of the acquired color stimulus values.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Oh-jae Kwon, Seung-jin Baek, Ho-sik Sohn, Ho-young Lee, Kil-soo Jung
  • Patent number: 11028724
    Abstract: The present invention provides a partial admission operation turbine apparatus comprising: a rotor portion rotatably coupled to a rotary shaft of a turbine and including a plurality of rotor blades; a nozzle portion fixedly coupled to the rotary shaft in front of the rotor portion and guiding and supplying a working fluid to the rotor blades through a plurality of nozzle blades; and an inlet disk coupled to the rotary shaft in front of the nozzle portion in a plate shape and having a plurality of admission holes formed therein so as to supply the working fluid to the nozzle portion to partially admit the working fluid into the nozzle portion, wherein each of the admission holes is formed to have a different passage cross-sectional areas, so that the opening and closing of the admission holes are controlled according to operating flow rate conditions to control a partial admission ratio of the working fluid supplied to the nozzle portion.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: June 8, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Hyung Ki Shin, Jun Hyun Cho, Young Jin Baik, Gil Bong Lee, Beom Joon Lee, Chui Woo Roh, Ho Sang Ra, Jong Jae Cho
  • Publication number: 20210167476
    Abstract: Disclosed is a resonator for expanding a transfer distance. A conical resonator includes a metal layer configured to operate according to a resonant frequency, and a dielectric layer coupled to the top or bottom of the metal layer to space the metal layer apart from another metal layer without overlap, wherein the metal layer and the dielectric layer have a Swiss-roll structure, and include an input face to which power is supplied on the bottom and an open face on the top.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 3, 2021
    Inventors: Jung Ick MOON, Je Hoon YUN, In Kui CHO, Ho Jin LEE, Sang-Won KIM, Seong-Min KIM, Jang Yeol KIM, Jaewoo LEE, HYUNJOON LEE, Dong Won JANG
  • Publication number: 20210166791
    Abstract: An apparatus for constructing a library for deriving a material composition using empirical result, which enables acceleration of research on the material-properties relationship. By applying the empirical results of the material composition, missing data of the material compositions can be statistically calculated by using supervised non-linear imputation techniques. The completed composition information of the materials is passed as an input of machine learning material-properties relationship prediction.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 3, 2021
    Inventors: Seung Bum HONG, Eun Ae CHO, Jong Min YUK, Hye Ryung BYON, Yong Soo YANG, Pyuck Pa CHOI, Jong Hwa SHIN, Hyuck Mo LEE, CHI HAO LIOW, Seong Woo CHO, Gun PARK, Yong Ju LEE, Yoon Su SHIM, Moo Ny NA, Ho Sun JUN, Ki Hoon BANG, Myung Joon KIM, Chae Hwa JEONG, Seung Gu KIM, Chung Ik OH, Hong Jun KIM, Jae Gyu KIM, Ji Min OH, Ji Won YEOM, Seong Mun EOM, Hyoung Kyu KIM, Young Joon HAN, Dae Hee LEE, Ho Jun LEE, Jae Woon KIM, Jae Wook SHIN, Hyeon Muk KANG, Jae Yeol PARK, Han Beom JEONG, Jae Sang LEE, Joon Ha CHANG, Yo Han KIM, Su Jung KIM, Hyun Jeong OH, Arthur Baucour, Jae Wook HAN, Kyu Seon JANG, Hye Sung JO, Bo Ryung YOO, Hyeon Jin PARK, Min Gwan CHO, Jun Hyung PARK, Yea Eun KIM, Seok Hwan MIN, Jung Woo CHOI, Young Tae PARK, Doo Sun HONG
  • Patent number: 11024805
    Abstract: Provided are an organic electric element for achieving high light-emitting efficiency, low driving voltage and improved lifespan, which comprises a mixture of a compound of Formula (1) and a compound of Formula (2) as a phosphorescent host material; and an electronic device thereof.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: June 1, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Sun Pil Hwang, Sun Hee Lee, Ho Young Jung, Bum Sung Lee
  • Patent number: 11023201
    Abstract: An electronic device is provided. The electronic device includes a housing, a touchscreen display exposed through a first portion of the housing, a microphone disposed at a second portion of the housing, a speaker disposed at a third portion of the housing, a memory disposed inside the housing, a processor disposed inside the housing, and electrically connected to the display, the microphone, the speaker, and the memory. The memory is configured to store a plurality of application programs, each of which includes a graphic user interface (GUI).
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In Jong Rhee, Ji Min Lee, Sang Ki Kang, Han Jun Ku, Sung Pa Park, Jang Seok Seo, In Wook Song, Won Ick Ahn, Kyoung Gu Woo, Ji Soo Yi, Chang Kyun Jeon, Ho Jun Jaygarl, Il Hwan Choi, Yoo Jin Hong, Ji Hyun Kim, Jae Yung Yeo
  • Patent number: 11017496
    Abstract: An electronic device includes a display, a processor generating image data, a graphic random access memory (GRAM) storing the image data, and a display driver integrated circuit for driving the display. The display driver integrated circuit is configured to select a part of the image data and to output the selected part to a specified area of the display.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: May 25, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Kon Bae, Dong Hwy Kim, Dong Kyoon Han, Yo Han Lee, Han Yu Ool Kim, Matheus Farias Miranda, Tae Sung Kim, Ho Jin Kim, Dong Hyun Yeom
  • Patent number: 11018101
    Abstract: A semiconductor device includes a conductive component on a substrate, a passivation layer on the substrate and including an opening that exposes at least a portion of the conductive component, and a pad structure in the opening and located on the passivation layer, the pad structure being electrically connected to the conductive component. The pad structure includes a lower conductive layer conformally extending on an inner sidewall of the opening, the lower conductive layer including a conductive barrier layer, a first seed layer, an etch stop layer, and a second seed layer that are sequentially stacked, a first pad layer on the lower conductive layer and at least partially filling the opening, and a second pad layer on the first pad layer and being in contact with a peripheral portion of the lower conductive layer located on the top surface of the passivation layer.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 25, 2021
    Inventors: Ju-il Choi, Kwang-jin Moon, Ju-bin Seo, Dong-chan Lim, Atsushi Fujisaki, Ho-jin Lee
  • Patent number: 11019149
    Abstract: A hub apparatus and a method are provided for selecting a device. The method includes receiving a service request; determining a sensor based on the received service request; receiving state information from a device including the determined sensor; and selecting the device based on the received state information.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: May 25, 2021
    Inventors: Sung-jin Kim, Kwang-min Byeon, Ho-chul Shin, Hee-bum Ahn, Doo-woong Lee, Kyu-sub Kwak, Jae-keun Na, Sun-min Park, Taik-heon Rhee, Jae-hyuck Shin, Sang-wook Lee, Hyun-jung Kim
  • Publication number: 20210150974
    Abstract: A display system and a display correction method are disclosed. The display system includes an instrument configured to measure a brightness and a chrominance of each pixel of a display light source; a correction coefficient calculator configured to derive a distribution of a specific color element by analyzing the brightness and the chromaticity of each pixel, compare the distribution of the specific color element with a reference distribution and reduce the distribution of the specific color element to the reference distribution or less, and calculate the correction coefficient of each pixel of the light source by using the brightness and the chromaticity of each pixel and the distribution of the reduced specific color element; and a display configured to correct the brightness and the chromaticity of the light source based on the correction coefficient of each pixel of the light source.
    Type: Application
    Filed: August 31, 2018
    Publication date: May 20, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Sik SOHN, Seung Jin BAEK, Kil Soo JUNG, Oh Jae KWON, Ho Young LEE
  • Publication number: 20210138747
    Abstract: Methods and apparatus for automating the fiber laying process during the repair of composite structures made of fiber-reinforced plastic material based on the three-dimensional printing technique. Continuous fiber rovings (e.g., carbon fibers) impregnated with liquid epoxy can be directly printed onto the damaged surface of the composite structure (e.g., an aircraft component made of carbon fiber-reinforced plastic) without human manipulation in an autonomous manner.
    Type: Application
    Filed: January 20, 2021
    Publication date: May 13, 2021
    Applicants: The Boeing Company, Seoul National University R&DB Foundation
    Inventors: Jeong-Beom Ihn, Sung-Hoon Ahn, Gil-Yong Lee, Hyung-Soo Kim, Min-Soo Kim, Ho-Jin Kim, Soo-Hong Min
  • Patent number: 10997907
    Abstract: The present invention provides a display apparatus that improves the uniformity of luminance among a plurality of pixels and improves chromaticity by recalibrating artifacts of a display image recognized by a visual sensation even after calibration is performed, and a method of controlling the same. The display apparatus may include a display panel; a communication circuitry configured to receive an initial calibration coefficient value of a first pixel and at least one second pixel except for the first pixel of the display panel; and a controller configured to compare luminance of the first pixel and the second pixel based on the initial calibration coefficient value, to modify the initial calibration coefficient value based on the comparison result, and to control the display panel based on the modified calibration coefficient value.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jin Baek, Ho Sik Sohn, Kil Soo Jung, Oh Jae Kwon, Ho Young Lee
  • Publication number: 20210109173
    Abstract: The atomic magnetometer includes a light source device configured to output a linearly polarized irradiation light and a circularly polarized pump light, a first vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a first transmitted light, a second vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a second transmitted light, a magnetic field application device configured to apply a bias magnetic field in opposite directions to the first vapor cell and the second vapor cell, and a measuring device configured to obtain the magnetic field signal based on a differentiation of a first polarization rotation signal corresponding to a polarization state of the first transmitted light and a second polarization rotation signal corresponding to a polarization state of the second transmitted light.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 15, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyunjoon LEE, In Kui CHO, Jang Yeol KIM, Jaewoo LEE, Ho Jin LEE, Sang-Won KIM, Seong-Min KIM, Jung Ick MOON, Woo Cheon PARK, Je Hoon YUN, Dong Won JANG
  • Patent number: 10978655
    Abstract: A semiconductor device includes a first conductive pattern at an upper portion of a first insulating interlayer on a first substrate, a first plurality of conductive nanotubes (CNTs) extending vertically, a second conductive pattern at a lower portion of a second insulating interlayer beneath a second substrate, and a second plurality of CNTs extending vertically. A lower surface of the second insulating interlayer contacts an upper surface of the first insulating interlayer. At least a portion of a sidewall of each of the first plurality of CNTs is covered by the first conductive pattern, and at least a portion of a sidewall of each of the second plurality of CNTs is covered by the second conductive pattern. The first and second conductive patterns vertically face each other, and at least one of the first plurality of CNTs and at least one of the second plurality of CNTs contact each other.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: April 13, 2021
    Inventors: Yi-Koan Hong, Kwang-Jin Moon, Nae-In Lee, Ho-Jin Lee
  • Publication number: 20210099361
    Abstract: A global cloud network quality measurement method may include generating an Internet protocol (IP) list of open web servers having at least one externally open port for each country; collecting packet data through communication with each of the open web servers based on the IP list; and analyzing a network quality with respect to at least one of a region, an Internet service provider (ISP), and an autonomous system number (ASN) based on the collected packet data.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Inventor: Ho Jin LEE
  • Publication number: 20210066386
    Abstract: A bevel etching apparatus includes a chuck plate that is configured to receive a substrate, a lower ring surrounding a circumference of the chuck plate, a cover plate on the chuck plate, and an upper ring surrounding a circumference of the cover plate. The lower ring includes a ring base and a protrusion that extends upwardly from an edge of the ring base and surrounds a lower portion of a sidewall of the substrate.
    Type: Application
    Filed: April 22, 2020
    Publication date: March 4, 2021
    Inventors: Hakseung Lee, Ho-Jin Lee, Dong-Chan Lim, Jinnam Kim, Kwangjin Moon
  • Publication number: 20210005565
    Abstract: A semiconductor device includes a protective layer, a redistribution pattern, a pad pattern and an insulating polymer layer. The protective layer may be formed on a substrate. The redistribution pattern may be formed on the protective layer. An upper surface of the redistribution may be substantially flat. The pad pattern may be formed directly on the redistribution pattern. An upper surface of the pad pattern may be substantially flat. The insulating polymer layer may be formed on the redistribution pattern and the pad pattern. An upper surface of the insulating polymer layer may be lower than the upper surface of the pad pattern. The semiconductor device may have a high reliability.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Inventors: Seong-Min SON, Jeong-Gi JIN, Jin-Ho AN, Jin-Ho CHUN, Kwang-Jin MOON, Ho-Jin LEE
  • Publication number: 20200365986
    Abstract: There are provided a multi-bay antenna apparatus and an operation method thereof. A multi-bay antenna apparatus may include a first section, a first array antenna mounted in the first section to receive a signal in a predetermined frequency band, a second section movably coupled with the first section, and a second array antenna mounted in the second section to receive a signal in a predetermined frequency band.
    Type: Application
    Filed: April 1, 2020
    Publication date: November 19, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ki Cheol TAE, Kanghee KIM, Haeng Sook RO, Gwangmoon PARK, Soo-Ho Sohn, Ho Jin LEE
  • Patent number: 10833032
    Abstract: A semiconductor device includes a protective layer, a redistribution pattern, a pad pattern and an insulating polymer layer. The protective layer may be formed on a substrate. The redistribution pattern may be formed on the protective layer. An upper surface of the redistribution may be substantially flat. The pad pattern may be formed directly on the redistribution pattern. An upper surface of the pad pattern may be substantially flat. The insulating polymer layer may be formed on the redistribution pattern and the pad pattern. An upper surface of the insulating polymer layer may be lower than the upper surface of the pad pattern. The semiconductor device may have a high reliability.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: November 10, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Min Son, Jeong-Gi Jin, Jin-Ho An, Jin-Ho Chun, Kwang-Jin Moon, Ho-Jin Lee