Patents by Inventor Ki Seok Jang

Ki Seok Jang 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: 20190360729
    Abstract: The present invention relates to a combined heat and power system with an energy control module. The system can easily increase the temperature of waste heat generated by a power generator or can easily increase the temperature of recovered heat recovered to the power generator.
    Type: Application
    Filed: May 30, 2018
    Publication date: November 28, 2019
    Applicant: KITURAMI CO., LTD.
    Inventors: Gi-Hyun JANG, Ki-Hwan NAM, Jong-Hyun SHIN, Jong-Seok PARK, Young-Hwan CHOI
  • Patent number: 10466413
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: November 5, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gyungock Kim, Hyundai Park, In Gyoo Kim, Sang Hoon Kim, Ki Seok Jang, Sang Gi Kim, Jiho Joo, Yongseok Choi, Hyuk Je Kwon, Jaegyu Park, Sun Ae Kim, Jin Hyuk Oh, Myung joon Kwack
  • Publication number: 20190304517
    Abstract: A method of operating memory devices disposed in different ranks of a multi-rank memory device and sharing a signal line includes receiving, in all of the memory devices included in the multi-rank memory device, on-die termination (ODT) state information of the signal line. The method further includes storing, in each of the memory devices of the multi-rank memory device, the ODT state information of the signal line in a mode register. The method further includes generating, in each of the memory devices of the multi-rank memory device, a control signal based on the ODT state information of the signal line stored in the mode register. The method further includes changing, in each of the memory devices of the multi-rank memory device, an ODT setting of the signal line in response to the control signal.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Inventors: Dae-Sik Moon, Kyung-soo Ha, Young-Soo Sohn, Ki-Seok Oh, Chang-Kyo Lee, Jin-Hoon Jang, Yeon-Kyu Choi, Seok-Hun Hyun
  • Patent number: 10414276
    Abstract: A system for recharging a hybrid vehicle is provided with two motors and supplies commercial electricity to neutral points of the motors when a connection of a recharging stand is detected, forms an electricity loop through the neutral points of the first motor and the second motor according to a phase of the commercial electricity, and carries out a recharging mode by detecting at least a voltage of a DC link capacitor in a voltage converter, a voltage of a smoothing capacitor, and a battery voltage. According to the system, a current control value or a voltage control value is selected according to the recharging mode in order to recharge a battery based on the current control value or the voltage control value.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: September 17, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hong-seok Song, Ki-young Jang, Junghong Joo
  • Patent number: 10390701
    Abstract: An apparatus configured to estimate biometric information includes a sensor configured to measure a light signal reflected from a subject and a temperature of the subject, and a processor configured to perform temperature correction on the light signal reflected from the subject based on the temperature of the subject using a light signal-temperature relationship between the light signal reflected from the subject and the temperature of the subject to thereby obtain a temperature-corrected light signal, and estimate the biometric information of the subject based on the temperature-corrected light signal.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Yong Nam, Joon Hyung Lee, Ki Young Chang, Hyeong Seok Jang
  • Patent number: 10332831
    Abstract: A semiconductor device includes a substrate including a cell array region including a cell active region. An insulating pattern is on the substrate. The insulating pattern includes a direct contact hole which exposes the cell active region and extends into the cell active region. A direct contact conductive pattern is in the direct contact hole and is connected to the cell active region. A bit line is on the insulating pattern. The bit line is connected to the direct contact conductive pattern and extends in a direction orthogonal to an upper surface of the insulating pattern. The insulating pattern includes a first insulating pattern including a non-metal-based dielectric material and a second insulating pattern on the first insulating pattern. The second insulating pattern includes a metal-based dielectric material having a higher dielectric constant than a dielectric constant of the first insulating pattern.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Augustin Jinwoo Hong, Dae-Ik Kim, Chan-Sic Yoon, Ki-Seok Lee, Dong-Min Han, Sung-Ho Jang, Yoo-Sang Hwang, Bong-Soo Kim, Je-Min Park
  • Patent number: 10168474
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: January 1, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gyungock Kim, Hyundai Park, In Gyoo Kim, Sang Hoon Kim, Ki Seok Jang, Sang Gi Kim, Jiho Joo, Yongseok Choi, Hyuk Je Kwon, Jaegyu Park, Sun Ae Kim, Jin Hyuk Oh, myung joon Kwack
  • Patent number: 10131825
    Abstract: Provided are an optical member, a pressure-sensitive adhesive composition, and an LCD. The optical member may have excellent endurance reliability even when a pressure-sensitive adhesive layer is formed to have a thickness of 20 ?m or less.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: November 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Se Woo Yang, Ki Seok Jang, Yong Su Park, Min Soo Park, Suk Ky Chang, Jong Rok Jeon
  • Publication number: 20170269298
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 21, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gyungock KIM, Hyundai PARK, In Gyoo KIM, Sang Hoon KIM, Ki Seok JANG, Sang Gi KIM, Jiho JOO, Yongseok CHOI, Hyuk Je KWON, Jaegyu PARK, Sun Ae KIM, Jin Hyuk OH, myung joon KWACK
  • Publication number: 20170261705
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 14, 2017
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Gyungock KIM, Hyundai PARK, In Gyoo KIM, Sang Hoon KIM, Ki Seok JANG, Sang Gi KIM, Jiho JOO, Yongseok CHOI, Hyuk Je KWON, Jaegyu PARK, Sun Ae KIM, Jin Hyuk OH, Myung Joon KWACK
  • Patent number: 9728657
    Abstract: Provided is a photodetector including a substrate, a first doped region on the substrate, a second doped region having a ring structure, wherein the second doped region is provided in the substrate, surrounds the first doped region and is horizontally spaced apart from a side of the first doped region, an optical absorption layer on the first doped region, a contact layer on the optical absorption layer, a first electrode on the contact layer, and a second electrode on the second doped region.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: August 8, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jiho Joo, Gyungock Kim, Myungjoon Kwack, Sang Hoon Kim, Sun Ae Kim, In Gyoo Kim, Jaegyu Park, Jin Hyuk Oh, Ki Seok Jang
  • Publication number: 20170204294
    Abstract: Provided are an optical member, a pressure-sensitive adhesive composition, and an LCD. The optical member may have excellent endurance reliability even when a pressure-sensitive adhesive layer is formed to have a thickness of 20 ?m or less.
    Type: Application
    Filed: March 6, 2017
    Publication date: July 20, 2017
    Inventors: Se Woo YANG, Ki Seok JANG, Yong Su PARK, Min Soo PARK, Suk Ky CHANG, Jong Rok JEON
  • Patent number: 9690042
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 27, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gyungock Kim, Hyundai Park, In Gyoo Kim, Sang Hoon Kim, Ki Seok Jang, Sang Gi Kim, Jiho Joo, Yongseok Choi, Hyuk Je Kwon, Jaegyu Park, Sun Ae Kim, Jin Hyuk Oh, Myung Joon Kwack
  • Patent number: 9638952
    Abstract: The present invention relates to a pressure sensitive adhesive composition, a polarizer and a liquid crystal display device. The present invention may provide a pressure sensitive adhesive which can have excellent stress relaxation characteristic to effectively inhibit light leakage by dimension change of optical films such as polarizing plates. In addition, a pressure sensitive adhesive having excellent physical properties such as adhesion durability and workability may be provided.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: May 2, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Ki Seok Jang, Suk Ky Chang, Min Soo Park, Se Woo Yang
  • Patent number: 9505960
    Abstract: Provided are a pressure-sensitive adhesive (PSA) composition including an interpenetrating polymer network structure in a cured state, and including an acrylic resin and a crosslinking agent component that consists of a bifunctional crosslinking agent, a polarizer and a liquid crystal display. Provided are the PSA composition, the polarizer including a cured product of the PSA composition, and the liquid crystal display, which have excellent workability and optical properties, durability and reliability, at high temperature or humidity condition, and significantly increase productivity of optical members such as a polarizer, since the time-dependent change of the pressure-sensitive adhesive strength is rapidly ended after fabrication.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: November 29, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Min Soo Park, In Cheon Han, Ki Seok Jang
  • Patent number: 9459409
    Abstract: An optical coupling device comprises an optical fiber block including a first block part and a second block part contacting with one side of the first block part, an optical fiber penetrating the optical fiber block and having an end surface exposed at a bottom surface of the optical fiber block, a semiconductor chip disposed below the optical fiber block and having an optical input/output element disposed on a top surface of the semiconductor chip to correspond with the end surface of the optical fiber, and a planarization layer disposed on the top surface of the semiconductor chip and having a recess region. A bottom surface of the first block part has a higher level than that of the second block part. The bottom surface of the second block part contacts with a bottom of the recess region. The optical fiber is optically coupled with the optical input/output element.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: October 4, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myungjoon Kwack, Gyungock Kim, Jaegyu Park, Ki Seok Jang, Jiho Joo
  • Publication number: 20160259126
    Abstract: An optical coupling device comprises an optical fiber block including a first block part and a second block part contacting with one side of the first block part, an optical fiber penetrating the optical fiber block and having an end surface exposed at a bottom surface of the optical fiber block, a semiconductor chip disposed below the optical fiber block and having an optical input/output element disposed on a top surface of the semiconductor chip to correspond with the end surface of the optical fiber, and a planarization layer disposed on the top surface of the semiconductor chip and having a recess region. A bottom surface of the first block part has a higher level than that of the second block part. The bottom surface of the second block part contacts with a bottom of the recess region. The optical fiber is optically coupled with the optical input/output element.
    Type: Application
    Filed: August 6, 2015
    Publication date: September 8, 2016
    Inventors: Myungjoon KWACK, Gyungock KIM, Jaegyu PARK, Ki Seok JANG, Jiho JOO
  • Publication number: 20160211402
    Abstract: Provided is a photodetector including a substrate, a first doped region on the substrate, a second doped region having a ring structure, wherein the second doped region is provided in the substrate, surrounds the first doped region and is horizontally spaced apart from a side of the first doped region, an optical absorption layer on the first doped region, a contact layer on the optical absorption layer, a first electrode on the contact layer, and a second electrode on the second doped region.
    Type: Application
    Filed: July 29, 2015
    Publication date: July 21, 2016
    Inventors: Jiho JOO, Gyungock KIM, Myungjoon KWACK, Sang Hoon KIM, Sun Ae KIM, In Gyoo KIM, Jaegyu PARK, Jin Hyuk OH, Ki Seok JANG
  • Patent number: 9389455
    Abstract: The present invention relates to a pressure sensitive adhesive composition, a polarizer and a liquid crystal display device. The present invention may provide a pressure sensitive adhesive which can have excellent stress relaxation characteristic to effectively inhibit light leakage by dimension change of optical films such as polarizing plates. In addition, a pressure sensitive adhesive having excellent physical properties such as adhesion durability and workability may be provided.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: July 12, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Ki Seok Jang, Suk Ky Chang, Min Soo Park, Se Woo Yang
  • Patent number: 9231372
    Abstract: Provided is a method of fabricating a semiconductor laser. The method includes: providing a semiconductor substrate including a first region and a second region; forming a silicon single crystal layer in the second region of the semiconductor substrate by using a selective epitaxial growth process; forming an optical coupler by using the silicon single crystal layer; and forming a laser core structure including a germanium single crystal layer in the first region of the semiconductor substrate by using a selective epitaxial growth process.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: January 5, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: In Gyoo Kim, Sang Hoon Kim, Jaegyu Park, Gyungock Kim, Ki Seok Jang