Patents by Inventor Sang-jun Lee

Sang-jun 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: 12081186
    Abstract: The present invention relates to a wave control apparatus using change of elastic modulus of thermoresponsive material, comprising: a wave modulation member having thermoresponsive material whose elastic modulus changes according to temperature variation, a wave source propagating wave through the wave modulation member, and a heating unit forming a wave modulation region by heating the wave modulation member, wherein the wave propagating through the wave modulation member from the wave source is configured to change wave characteristics when the wave passes through the wave modulation region heated by the heating unit.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: September 3, 2024
    Assignee: Korea University Research and Business Foundation
    Inventors: Won-Joon Choi, Sang-Jun Lee, Haun-Min Lee
  • Patent number: 11574912
    Abstract: A memory device includes cell transistors on active regions defined by a device isolation layer on a substrate such that each cell transistor has a buried cell gate and a junction portion adjacent to and at least partially distal to the substrate in relation to the buried cell gate, an insulation pattern on the substrate and covering the cell transistors and the device isolation layer, and a bit line structure on the insulation pattern and connected to the junction portion. The bit line structure includes a buffer pattern on the pattern and having a thermal oxide pattern, a conductive line on the buffer pattern, and a contact extending from the conductive line to the junction portion through the buffer pattern and the insulation pattern.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: February 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Augustin Jinwoo Hong, Young-Ju Lee, Joon-Yong Choe, Jung-Hyun Kim, Sang-Jun Lee, Hyeon-Kyu Lee, Yoon-Chul Cho, Je-Min Park, Hyo-Dong Ban
  • Patent number: 11251188
    Abstract: A semiconductor memory device including: a substrate including a cell array region and a boundary region; a first recess region at an upper portion of the substrate in the cell array region; a first bit line extending onto the boundary region and crossing the first recess region; a bit line contact in the first recess region and contacting the first bit line; a second bit line spaced apart from the first recess region and adjacent to the first bit line, the second bit line crossing the cell array region and the boundary region; a cell buried insulation pattern between a side surface of the first bit line contact and an inner wall of the first recess region; and a boundary buried insulation pattern covering sidewalls of the first bit line and the second bit line in the boundary region and including a same material as the cell buried insulation pattern.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok-Hyun Kim, Joon Young Kang, Youngjun Kim, Jinhyung Park, Ho-Ju Song, Sang-Jun Lee, Hyeran Lee, Bong-Soo Kim, Sungwoo Kim
  • Publication number: 20210297053
    Abstract: The present invention relates to a wave control apparatus using change of elastic modulus of thermoresponsive material, comprising: a wave modulation member having thermoresponsive material whose elastic modulus changes according to temperature variation, a wave source propagating wave through the wave modulation member, and a heating unit forming a wave modulation region by heating the wave modulation member, wherein the wave propagating through the wave modulation member from the wave source is configured to change wave characteristics when the wave passes through the wave modulation region heated by the heating unit.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 23, 2021
    Inventors: Won-Joon CHOI, Sang-Jun LEE, Haun-Min LEE
  • Publication number: 20210125998
    Abstract: A semiconductor memory device including: a substrate including a cell array region and a boundary region; a first recess region at an upper portion of the substrate in the cell array region; a first bit line extending onto the boundary region and crossing the first recess region; a bit line contact in the first recess region and contacting the first bit line; a second bit line spaced apart from the first recess region and adjacent to the first bit line, the second bit line crossing the cell array region and the boundary region; a cell buried insulation pattern between a side surface of the first bit line contact and an inner wall of the first recess region; and a boundary buried insulation pattern covering sidewalls of the first bit line and the second bit line in the boundary region and including a same material as the cell buried insulation pattern.
    Type: Application
    Filed: August 11, 2020
    Publication date: April 29, 2021
    Inventors: SEOK-HYUN KIM, Joon Young KANG, YOUNGJUN KIM, JINHYUNG PARK, HO-JU SONG, SANG-JUN LEE, HYERAN LEE, BONG-SOO KIM, SUNGWOO KIM
  • Publication number: 20210091086
    Abstract: A memory device includes cell transistors on active regions defined by a device isolation layer on a substrate such that each cell transistor has a buried cell gate and a junction portion adjacent to and at least partially distal to the substrate in relation to the buried cell gate, an insulation pattern on the substrate and covering the cell transistors and the device isolation layer, and a bit line structure on the insulation pattern and connected to the junction portion. The bit line structure includes a buffer pattern on the pattern and having a thermal oxide pattern, a conductive line on the buffer pattern, and a contact extending from the conductive line to the junction portion through the buffer pattern and the insulation pattern.
    Type: Application
    Filed: December 4, 2020
    Publication date: March 25, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Augustin Jinwoo HONG, Young-Ju LEE, Joon-Yong CHOE, Jung-hyun KIM, Sang-jun LEE, Hyeon-Kyu LEE, Yoon-Chul CHO, Je-Min PARK, Hyo-Dong BAN
  • Patent number: 10957808
    Abstract: A flexible double-junction solar cell includes a flexible substrate including a lower electrode layer, an InGaAs solar cell disposed to be in contact with the lower electrode layer of the flexible substrate, and a GaAs solar cell disposed on the InGaAs solar cell and connected to the InGaAs solar cell in series. The GaAs solar cell includes a metal nanodisk array disposed on a lower surface thereof and a void array, aligned with the metal nanodisk array, is disposed below the metal nanodisk array.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: March 23, 2021
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Sang-Jun Lee, Jun-Oh Kim, Yeongho Kim
  • Patent number: 10886277
    Abstract: A memory device includes cell transistors on active regions defined by a device isolation layer on a substrate such that each cell transistor has a buried cell gate and a junction portion adjacent to and at least partially distal to the substrate in relation to the buried cell gate, an insulation pattern on the substrate and covering the cell transistors and the device isolation layer, and a bit line structure on the insulation pattern and connected to the junction portion. The bit line structure includes a buffer pattern on the pattern and having a thermal oxide pattern, a conductive line on the buffer pattern, and a contact extending from the conductive line to the junction portion through the buffer pattern and the insulation pattern.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Augustin Jinwoo Hong, Young-Ju Lee, Joon-Yong Choe, Jung-Hyun Kim, Sang-Jun Lee, Hyeon-Kyu Lee, Yoon-Chul Cho, Je-Min Park, Hyo-Dong Ban
  • Patent number: 10811551
    Abstract: A tandem solar cell includes a substrate a plurality of sub-cells stacked on the substrate and configured to sequentially perform photoelectric conversion with different wavelength band, and a metal disk array disposed on at least one of interfaces between adjacent sub-cells. A center wavelength of wavelength bands corresponding to the sub-cells gradually decreases as progressing downward with respect to an uppermost layer. The metal disk array reflects a light transmitting a sub-cell disposed over the metal disk array without being absorbed therein. The metal disk array is inserted by means of wafer bonding.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: October 20, 2020
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Sang-Jun Lee, Jun-Oh Kim, Yeongho Kim, Sang-Woo Kang
  • Publication number: 20200185553
    Abstract: A flexible double-junction solar cell includes a flexible substrate including a lower electrode layer, an InGaAs solar cell disposed to be in contact with the lower electrode layer of the flexible substrate, and a GaAs solar cell disposed on the InGaAs solar cell and connected to the InGaAs solar cell in series. The GaAs solar cell includes a metal nanodisk array disposed on a lower surface thereof and a void array, aligned with the metal nanodisk array, is disposed below the metal nanodisk array.
    Type: Application
    Filed: September 17, 2018
    Publication date: June 11, 2020
    Inventors: Sang-Jun LEE, Jun-Oh KIM, Yeongho KIM
  • Publication number: 20190157493
    Abstract: A tandem solar cell includes a substrate a plurality of sub-cells stacked on the substrate and configured to sequentially perform photoelectric conversion with different wavelength band, and a metal disk array disposed on at least one of interfaces between adjacent sub-cells. A center wavelength of wavelength bands corresponding to the sub-cells gradually decreases as progressing downward with respect to an uppermost layer. The metal disk array reflects a light transmitting a sub-cell disposed over the metal disk array without being absorbed therein. The metal disk array is inserted by means of wafer bonding.
    Type: Application
    Filed: November 14, 2017
    Publication date: May 23, 2019
    Inventors: Sang-Jun LEE, Jun-Oh KIM, Yeongho KIM, Sang-Woo KANG
  • Patent number: 10297495
    Abstract: A method of manufacturing a semiconductor device includes forming a first conductive structure on a substrate, forming an insulation layer on a sidewall of the first conductive structure, forming a second conductive structure a distance apart from the first conductive structure with the insulation layer therebetween, first removing a portion of the insulation layer by performing a first dry cleaning operation, second removing a reactant product used in the first dry cleaning operation or a first byproduct generated as a result of the first dry cleaning operation by performing a first purge operation, and third removing at least a portion of the remaining insulation layer by performing a second dry cleaning operation to form an air gap between the first and second conductive structures.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: May 21, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mong-sup Lee, Sang-jun Lee, Yoon-ho Son
  • Patent number: 10290537
    Abstract: A method of manufacturing a semiconductor device includes forming a first conductive structure on a substrate, forming an insulation layer on a sidewall of the first conductive structure, forming a second conductive structure a distance apart from the first conductive structure with the insulation layer therebetween, first removing a portion of the insulation layer by performing a first dry cleaning operation, second removing a reactant product used in the first dry cleaning operation or a first byproduct generated as a result of the first dry cleaning operation by performing a first purge operation, and third removing at least a portion of the remaining insulation layer by performing a second dry cleaning operation to form an air gap between the first and second conductive structures.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: May 14, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mong-sup Lee, Sang-jun Lee, Yoon-ho Son
  • Publication number: 20190139963
    Abstract: A memory device includes cell transistors on active regions defined by a device isolation layer on a substrate such that each cell transistor has a buried cell gate and a junction portion adjacent to and at least partially distal to the substrate in relation to the buried cell gate, an insulation pattern on the substrate and covering the cell transistors and the device isolation layer, and a bit line structure on the insulation pattern and connected to the junction portion. The bit line structure includes a buffer pattern on the pattern and having a thermal oxide pattern, a conductive line on the buffer pattern, and a contact extending from the conductive line to the junction portion through the buffer pattern and the insulation pattern.
    Type: Application
    Filed: August 21, 2018
    Publication date: May 9, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Augustin Jinwoo HONG, Young-Ju Lee, Joon-Yong Choe, Jung-Hyun Kim, Sang-Jun Lee, Hyeon-Kyu Lee, Yoon-Chul Cho, Je-Min Park, Hyo-Dong Ban
  • Publication number: 20180226290
    Abstract: A method of manufacturing a semiconductor device includes forming a first conductive structure on a substrate, forming an insulation layer on a sidewall of the first conductive structure, forming a second conductive structure a distance apart from the first conductive structure with the insulation layer therebetween, first removing a portion of the insulation layer by performing a first dry cleaning operation, second removing a reactant product used in the first dry cleaning operation or a first byproduct generated as a result of the first dry cleaning operation by performing a first purge operation, and third removing at
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Mong-sup LEE, Sang-jun LEE, Yoon-ho SON
  • Patent number: 9998582
    Abstract: A peripheral device management system includes a node terminal apparatus attached to a peripheral device and configured to detect an operating state of the attached peripheral device through a sensor configured to generate sensing data, and a display apparatus configured to receive the sensing data from the node terminal apparatus, to determine the operating state of the peripheral device based on the sensing data, and to display a user interface (UI) containing the operating state of the peripheral device. Accordingly, the peripheral device management system provides an Internet of things (IOT) service to a peripheral device that may not be capable of supporting an IOT service.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: June 12, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-woo Park, Sang-jun Lee, Jee-hoon Ka
  • Patent number: 9877959
    Abstract: Provided are a pharmaceutical composition with improved stability including palonosetron, a preparation method thereof, and a pharmaceutical package including the pharmaceutical composition.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: January 30, 2018
    Assignee: SAMYANG BIOPHARMACEUTICALS CORPORATION
    Inventors: Hye-Jeong Yoon, Sang-Jun Lee
  • Patent number: 9750735
    Abstract: Provided are a pharmaceutical composition with improved stability including palonosetron, a preparation method thereof, and a pharmaceutical package including the pharmaceutical composition.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: September 5, 2017
    Assignee: SAMYANG BIOPHARMACEUTICALS CORPORATION
    Inventors: Hye-Jeong Yoon, Sang-Jun Lee
  • Patent number: 9691769
    Abstract: A memory device includes a substrate including active areas and isolation areas, trenches in the isolation areas, active patterns in the active areas, the active patterns protruding from the substrate, isolation layers filling the trenches, gate trenches crossing the active patterns and the isolation layers, and gate line stacks filling the gate trenches, a first width of the gate trench in the isolation layer being greater than a second width of the gate trench in the active pattern.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: June 27, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongjun Kim, Keeshik Park, Jungwoo Song, Sang-Jun Lee, Donggyun Han, Jaerok Kahng
  • Publication number: 20170133262
    Abstract: A method of manufacturing a semiconductor device includes forming a first conductive structure on a substrate, forming an insulation layer on a sidewall of the first conductive structure, forming a second conductive structure a distance apart from the first conductive structure with the insulation layer therebetween, first removing a portion of the insulation layer by performing a first dry cleaning operation, second removing a reactant product used in the first dry cleaning operation or a first byproduct generated as a result of the first dry cleaning operation by performing a first purge operation, and third removing at
    Type: Application
    Filed: January 5, 2017
    Publication date: May 11, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Mong-sup LEE, Sang-jun LEE, Yoon-ho SON