Patents by Inventor Hyun-Kyu Lee

Hyun-Kyu 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: 10666350
    Abstract: A data transmission method of a source node in a cooperative communication system includes: performing a beamforming to a relay node; transmitting data to the relay node; performing a beamforming to a destination node; and transmitting data to the destination node.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: May 26, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kap-Seok Chang, Woo-Yong Lee, Kyeongpyo Kim, Hyoung-Jin Kwon, Hyun-Kyu Chung
  • Publication number: 20200157427
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising a terphenyl compound and at least two polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 21, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Hyun-Jin YOON, Ji-Won JEONG, Eun-Kyu LEE, Min-Ok JIN, Yong-Kuk YUN
  • Patent number: 10650749
    Abstract: An embodiment provides an organic light emitting diode display including: a substrate; a scan line disposed on the substrate to transfer a scan signal; a data line disposed on the substrate to transfer a data signal; a driving voltage line disposed on the substrate to transfer a driving voltage; a switching transistor connected with the scan line and the data line; a driving transistor connected with the switching transistor; and an organic light emitting diode electrically connected to the driving transistor, wherein the driving transistor includes a gate electrode, a source electrode, a drain electrode, and a plurality of channels, and each of the channels includes a plurality of curved portions.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Duck Cho, Seung-Kyu Lee, Hyun Woong Kim
  • Patent number: 10650125
    Abstract: An electronic apparatus operated based on an OS is provided. The electronic apparatus includes a storage to store the OS, a virtual device program capable of generating a virtual device executed based on the OS, and at least one program; and at least one processor to execute the virtual device program to generate the virtual device, and to execute the OS to determine whether a first program having an administration authority assigned by the OS from among the at least one program has access authority to data about the virtual device in response to an attempt to access the data from the first program and to selectively permit the access to the data based on the determined access authority. With this, the electronic apparatus may restrain the access to the virtual device or the data thereabout according to a presence of the access authority, thereby safely protecting the virtual device or the data.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: May 12, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hwa Jeong, Sung-kyu Lee, Hyun-cheol Park, Chang-woo Lee
  • Publication number: 20200142228
    Abstract: A liquid crystal display includes: a gate line connected to a gate electrode; a semiconductor layer disposed on the gate line and including silicon; an ohmic contact layer disposed on the semiconductor layer; and a data conductor disposed on the ohmic contact layer. The semiconductor layer includes a source region, a drain region, and a channel region disposed between the source region and the drain region. The data conductor includes a data line transmitting a data signal, a source electrode corresponding to the source region, and a drain electrode corresponding to the drain region. A channel step of the semiconductor layer is a height difference between an upper surface in the source region or the drain region and an upper surface in the channel region. The upper surface in the source region or the drain region has a maximum height of the semiconductor layer.
    Type: Application
    Filed: June 7, 2019
    Publication date: May 7, 2020
    Inventors: Ki Pyo HONG, Wan NAMGUNG, Seung-Kyu LEE, Hyun Seong KANG, Byeong Jae AHN
  • Patent number: 10640490
    Abstract: The present invention provides a diaminopyrimidine derivative or its pharmaceutically acceptable salt, a process for the preparation thereof, a pharmaceutical composition comprising the same, and a use thereof. The diaminopyrimidine derivative or its pharmaceutically acceptable salt functions as a 5-HT4 receptor agonist, and therefore can be usefully applied for preventing or treating dysfunction in gastrointestinal motility, one of the gastrointestinal diseases, such as gastroesophageal reflux disease (GERD), constipation, irritable bowel syndrome (IBS), dyspepsia, post-operative ileus, delayed gastric emptying, gastroparesis, intestinal pseudo-obstruction, drug-induced delayed transit, or diabetic gastric atony.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: May 5, 2020
    Assignee: Yuhan Corporation
    Inventors: Hyun-Joo Lee, Dong-Hoon Kim, Tae-Kyun Kim, Young-Ae Yoon, Jae-Young Sim, Myung-Hun Cha, Eun-Jung Jung, Kyoung-Kyu Ahn, Tai-Au Lee
  • Patent number: 10642485
    Abstract: A controlling a portable device comprising a first touch screen and a second touch screen is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first touch screen and the second touch screen, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden in direction from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first touch screen and the second screen during the sliding of the third information and the fourth information.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: May 5, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-kyu Seo, Kyung-a Kang, Ji-yeon Kwak, Hyun-jin Kim, Hyun-Jung Song, Sung-Sik Yoo, Ju-youn Lee, Dong-Seok Ryu, Min-Kyu Park
  • Patent number: 10642104
    Abstract: The present invention relates to a method of controlling the pretilt angle in liquid crystal (LC) displays of the polymer sustained alignment (PSA) type, to a method of manufacturing a PSA display with different pretilt angles at the two substrates, and to PSA displays made by this method.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: May 5, 2020
    Assignee: Merck Patent GmbH
    Inventors: Eun-Kyu Lee, Hyun-Jin Yoon, In-Young Cho, Yong-Jun Ji
  • Publication number: 20200135595
    Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Inventors: Hyun Woong KIM, Won Kyu Kwak, Seung-Kyu Lee
  • Patent number: 10633511
    Abstract: Provided are a plasticizer composition, a method of preparing the same, and a resin composition including the same. The plasticizer composition is a mixed composition of cyclohexane 1,3-diester-based materials prepared by transesterification and hydrogenation, and when used in the resin composition, exhibits excellent resistance to stress, and excellent physical properties such as migration resistance and volatility resistance as well as tensile strength and an elongation rate.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: April 28, 2020
    Assignee: LG CHEM LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10624769
    Abstract: A hybrid stent includes multiple main cells aligned in a spiral shape and including multiple first link units which are aligned diagonally and spaced at a predetermined distance from each other and multiple second link units which connect adjacent first link units among the multiple first link units and are spaced at a predetermined distance from each other, and one or more open cells adjacent to the multiple main cells in a longitudinal direction and aligned in a spiral shape.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: April 21, 2020
    Assignees: CG BIO CO., LTD., THE ASAN FOUNDATION
    Inventors: Han Ki Kim, Hyun Seung Ryu, Jun Hyuk Seo, Jun Kyu Park, Seok Beom Song, Chang Hun Kum, Jae Hwa Cho, Gyu Hyun Jin, Deok Hee Lee, Seon Moon Hwang, Tae Il Kim, Ok Kyun Lim, Ga Young Lee
  • Patent number: 10626960
    Abstract: A belt connection structure for a vehicle is provided. The belt connection structure includes a damper pulley mounted on a crankshaft of an engine, a water pump mounted on the engine separated in an upward direction from the damper pulley, a mild hybrid starter and generator on an upper part of the engine separated from the water pump, and an air conditioner mounted on the engine separated from the compressor damper pulley. A first belt connects the damper pulley, water pump, and mild hybrid starter and generator and a second belt connects the damper pulley and the air conditioner compressor. A first tensioner is mounted on the mild hybrid starter and generator and selectively in contact on the first belt to adjust a tension and a second tensioner is mounted on a chain cover and selectively in contact under the first belt to adjust the tension of the first belt.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: April 21, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Heedo Kwon, Kye Oong Song, Tae Hoon Roh, Jong Won Lee, Jaekyun Lee, In Jae Seo, Hyun Jeong Baek, Jae Kyu Lee, Woong Na
  • Patent number: 10626247
    Abstract: The present invention relates to a plasticizer composition, a resin composition, and preparation methods therefor, and can provide: a plasticizer capable of improving physical properties such as plasticizing efficiency, migration, tensile strength, elongation, stress migration and light resistance, which are required in sheet formulation, when used as a plasticizer of a resin composition by improving inferior physical properties generated because of structural limitations; and a resin composition containing the same.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: April 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20200117285
    Abstract: A flexible display apparatus includes a flexible display, a sensor which senses bending of the flexible display, and a controller which determines a screen activation region and a screen inactivation region from among a plurality of display regions of the flexible display based on the sensed bending, and displays a predetermined screen on the screen activation region.
    Type: Application
    Filed: December 6, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-kyu SEO, Jung-joo SOHN, Hyun-jin KIM, Geun-ho LEE
  • Publication number: 20200119111
    Abstract: A display device according to an embodiment includes a substrate having a display area, and a peripheral area outside the display area including a first peripheral area adjacent to the display area, a first bending area extending from the first peripheral area, and a second peripheral area extending from the first bending area, and overlapping the first peripheral area, a display member at the display area, and including a first display area, and a second display area around the first display area, and a plurality of align keys on the substrate, wherein the first peripheral area includes a flat peripheral area corresponding to an area between the first display area and the first bending area, and a second bending area between the second display area and an end of the substrate, and wherein the plurality of align keys include a first align key at the flat peripheral area, and a second align key at the second peripheral area.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Ki Wook KIM, Won Kyu KWAK, Kwang-Min KIM, Dong Soo KIM, Joong-Soo MOON, Hyun Ae PARK, Ji-Eun LEE, Chang Kyu JIN
  • Patent number: 10619712
    Abstract: A tensioner mounting structure for the vehicle mounted for adjusting a tension of a first belt in an engine including a water pump and a mild hybrid starter and generator that are connected to a damper pulley mounted on a crankshaft provided in a cylinder block through the first belt, and an air conditioner compressor connected to the damper pulley through a second belt, may include a first tensioner mounted on the mild hybrid starter and generator between the water pump and the mild hybrid starter and generator; and a second tensioner mounted on a chain cover mounted on the engine between the damper pulley and the mild hybrid starter and generator.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: April 14, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Heedo Kwon, Kye Oong Song, Tae Hoon Roh, Jong Won Lee, Jaekyun Lee, In Jae Seo, Hyun Jeong Baek, Jae Kyu Lee, Woong Na
  • Patent number: 10622599
    Abstract: A battery module having secondary batteries or unit modules, each having two or more secondary batteries, stacked vertically, wherein the battery module includes a base plate on which the secondary batteries or the unit modules are stacked, a pair of end plates disposed in contact with outer sides of the secondary batteries or the unit modules in which the bottom of each of the end plates is fixed to the base plate, and supporting bars connected between opposite sides of the end plates. The base plate is provided at opposite sides thereof with a pair of upward protrusions extending in a longitudinal direction to prevent deformation due to vertical vibration and to disperse pressure. Opposite sides of the bottom of each of the unit modules are disposed at the top of the upward protrusions.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: April 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: YeonSeok Choo, Jin Kyu Lee, Jung Min Park, Ye Hoon Im, Hyun Chul Park
  • Publication number: 20200105849
    Abstract: A display device includes a substrate, pixels each including at least one transistor, a storage capacitor connected to the at least one transistor, and a light emitting element connected to the at least one transistor, scan lines connected to each of the pixels, a data line connected to each of the pixels, and a power line supplying a first power voltage to the light emitting element. The power line includes a first conductive pattern that extends in a first direction, and is provided on a first insulating interlayer, a second conductive pattern that extends in the first direction, is provided on a second insulating interlayer, and is connected to the first conductive pattern through a first contact hole, and a third conductive pattern that extends in a second direction, is provided on a third insulating interlayer, and is connected to the second conductive pattern through a second contact hole.
    Type: Application
    Filed: September 12, 2019
    Publication date: April 2, 2020
    Inventors: Kyung Hoon KIM, Won Kyu KWAK, Mi Hae KIM, Hyun Chol BANG, Ki Myeong EOM, Jae Sic LEE
  • Patent number: 10607563
    Abstract: A display device includes a timing controller, a driver, and a display panel. The timing controller outputs a first clock signal having first rising time during an active section and a second clock signal having second rising time during a blank section adjacent to the active section. The driver generates a data signal based on the first clock signal and the second clock signal and to output the data signal. The display panel displays an image based on the data signal. The first rising time is shorter than the second rising time.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong In Kim, Jin Kyu Park, Yo Han Lee, Ki Hoon Choi, Hyun Seok Hong
  • Patent number: 10608156
    Abstract: The present disclosure discloses a thermoelectric module to which a bonding technique for stably driving the thermoelectric module at high temperatures is applied and a method of manufacturing the thermoelectric module. The thermoelectric module according to the present disclosure includes thermoelectric elements including a thermoelectric semiconductor, an electrode which includes a metal material and is connected between the thermoelectric elements, and a bonding layer which is interposed between the thermoelectric element and the electrode to bond the thermoelectric element with the electrode and includes a metal compound including metals of two or more classes as a sintered body of a paste including metal powders of two or more classes.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: March 31, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dae-Ki Lee, Dong-Sik Kim, Ye-Rok Park, Jae-Ki Lee, Byung-Kyu Lim, Hyun-Woo Choi, Cheol-Hee Park, Seung-Hyup Lee