Patents by Inventor Seong-jin Hwang

Seong-jin Hwang 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: 11487348
    Abstract: Provided is a pixel circuit. The pixel circuit includes a conversion element forming a voltage of an input level at a first node, a first transistor adjusting the voltage of the first node to a first level in response to a first signal received at a first time interval, a first capacitive element forming a voltage at a second node based on the voltage of the first node, a second transistor adjusting a level of the voltage of the second node to a second level in response to the first signal, a third transistor forming a voltage at a third node, a fourth transistor outputting a current in response to a second signal received in a second time interval, and a. fifth transistor adjusting the voltage of the third node to a third level in response to a third signal received in a third time interval.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: November 1, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chunwon Byun, Young-deuk Jeon, Chi-Sun Hwang, Chan-mo Kang, Yun-Jeong Kim, Hye Jin Kim, Seongdeok Ahn, Jeong Ik Lee, Seong Hyun Kim, Bock Soon Na
  • Patent number: 11474688
    Abstract: A method for creating handwriting content is provided. The method includes displaying handwriting letters being input, extracting at least one candidate handwriting word stored in advance in response to the input handwriting letters, displaying the extracted at least one candidate handwriting word, and replacing the input handwriting letters with a candidate handwriting word selected from among the displayed at least one candidate handwriting word.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: October 18, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Do-Hyeon Kim, Dong-Chang Lee, Dong-Hyuk Lee, Jae-Woong Lee, Won-Suk Chang, Seong-Taek Hwang, Kang-Jin Yoon
  • Publication number: 20220310075
    Abstract: An apparatus for training a dialogue summary model according to an embodiment includes a parameter transferer configured to transfer one or more learning parameter values of a pre-trained natural language processing model to a sequence-to-sequence-based dialogue summary model, and a model trainer configured to train the dialogue summary model by using the transferred learning parameter values as initial values for learning parameters of each of an encoder and a decoder in the dialogue summary model.
    Type: Application
    Filed: October 29, 2021
    Publication date: September 29, 2022
    Inventors: Hyun Jae LEE, Hyun Jin CHOI, Jae Woong YUN, Ju Dong KIM, Bong Kyu HWANG, Seong Ho JOE, Young June GWON
  • Publication number: 20220206639
    Abstract: A touch device includes: a touch panel including a plurality of X-touch lines and a plurality of Y-touch lines crossing each other; an X-touch driving part simultaneously transmitting at least two of a plurality of X-self signals to the plurality of X-touch lines and sequentially transmitting a plurality of X-mutual signals to the plurality of X-touch lines; and a Y-touch driving part simultaneously transmitting at least two of a plurality of Y-self signals to the plurality of Y-touch lines and transmitting at least two of a plurality of Y-mutual signals to the plurality of Y-touch lines.
    Type: Application
    Filed: November 15, 2021
    Publication date: June 30, 2022
    Inventors: Seong-Tae Cho, Gyeong-Jin Hwang
  • Publication number: 20220209373
    Abstract: Disclosed is a battery cell with improved weldability and an apparatus for processing the same, and more particularly to a battery cell including an electrode assembly received in a cell case; and a pair of electrode leads constituted by a negative electrode lead and a positive electrode lead protruding outwards from the cell case, wherein: the negative electrode lead is made of a nickel material and is provided with one or more embossed portions, and the positive electrode lead is made of an aluminum material and is provided with no embossed portion.
    Type: Application
    Filed: December 14, 2020
    Publication date: June 30, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Ho JUNG, Jae Young JANG, Seong Ju HWANG, Sang Jin KIM
  • Publication number: 20220194847
    Abstract: A manufacturing method of a window includes: radiating a laser to a glass; immersing a laser-irradiated glass in a KOH solution to form a groove in the glass and to perform a primary reinforcement on the glass; masking the groove of a primarily reinforced glass; and performing a secondary reinforcement on a masked glass.
    Type: Application
    Filed: August 11, 2021
    Publication date: June 23, 2022
    Inventors: Yu Ri KIM, Eun-Kyung YEON, Sung Hoon KIM, Seong Jin HWANG
  • Publication number: 20220107448
    Abstract: Provided is a display device including a display panel, and a window member on the display panel, wherein the window member includes a window base material including a flexible portion in which a first area having a first rigidity and a second area having second rigidity that is less than the first rigidity are alternately located, a buffer layer on the window base material and having a refractive index that is smaller than a refractive index of the window base material, and a filler layer on the buffer layer and having a refractive index that is smaller than the refractive index of the buffer layer.
    Type: Application
    Filed: October 4, 2021
    Publication date: April 7, 2022
    Inventors: Sang Hoon KIM, Min Sang KOO, Kyung Man KIM, Yu Ri KIM, Min Hoon CHOI, Seong Jin HWANG
  • Patent number: 11262044
    Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: March 1, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Seong Jin Hwang
  • Publication number: 20210293997
    Abstract: A cover window includes a glass substrates, a first coating layer disposed on a first surface of the glass substrate, and a second coating layer disposed on the first coating layer, where a thickness of the glass substrate is equal to or less than about 100 micrometers (?m), and a thickness of each of the first coating layer and the second coating layer ranges from about 50 angstroms (?) to about 400 ?.
    Type: Application
    Filed: December 31, 2020
    Publication date: September 23, 2021
    Inventors: Sang Hoon KIM, Seong Jin HWANG, Min Sang KOO, Kyung-Man KIM, Min-Hoon CHOI
  • Patent number: 11125396
    Abstract: A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: September 21, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Jin Hwang, Se Eun Kang, Jin Hee Kim, Gyeong Il Jin
  • Publication number: 20210271002
    Abstract: A protection member, a display device and a method for fabricating a protection member for display are provided. A protection member for display includes a glass substrate including a surface and another surface facing each other in a thickness direction, and a side surface extended between the surface and the another surface, a coating layer that overlaps and contacts the side surface of the glass substrate, and includes a surface and another surface facing each other in a thickness direction, and a side surface extended between the surface and the another surface, and an impact absorbing pattern disposed on at least a portion of the coating layer and including at least one of grooves and holes.
    Type: Application
    Filed: November 19, 2020
    Publication date: September 2, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Min Sang KOO, Kyung Man KIM, Sang Hoon KIM, Min Hoon CHOI, Seong Jin HWANG
  • Publication number: 20210179487
    Abstract: A cover window according to an exemplary embodiment includes a glass substrate, and a first coating layer disposed on a first major surface of the glass substrate, where the first coating layer includes an epoxy silane and an oligomer, and an average molecular weight of the oligomer is about 300 g/mol to about 5000 g/mol.
    Type: Application
    Filed: July 24, 2020
    Publication date: June 17, 2021
    Inventors: Sang Hoon KIM, Seong Jin HWANG, Jae Sung KIM, Koan Duck SEO, Min Sang KOO, Kyung-Man KIM, Yun Ho KIM, Chang Ho CHO, Min-Hoon CHOI
  • Publication number: 20210108775
    Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Inventor: Seong Jin HWANG
  • Patent number: 10908638
    Abstract: A display device includes a display panel including a folding area and non-folding areas respectively extending from the folding area along a first direction; and a folding member which is foldable together with the display panel, the folding member including: a film layer corresponding to each of the folding area and the non-folding areas of the display panel, the film layer defining a storage space in which a fluid is disposed; and a pair of roller members each in slidable contact with the film layer, each of the pair of roller members slidable along the first direction. Unfolding of the display device moves each of the pair of roller members along the first direction toward the folding area, and folding of the display device moves each of the pair of roller members along the first direction away from the folding area.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Jin Hwang, Sang Hoon Kim, Min Hoon Choi
  • Patent number: 10900633
    Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: January 26, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Seong Jin Hwang
  • Publication number: 20200341508
    Abstract: A display device includes a display panel including a folding area and non-folding areas respectively extending from the folding area along a first direction; and a folding member which is foldable together with the display panel, the folding member including: a film layer corresponding to each of the folding area and the non-folding areas of the display panel, the film layer defining a storage space in which a fluid is disposed; and a pair of roller members each in slidable contact with the film layer, each of the pair of roller members slidable along the first direction. Unfolding of the display device moves each of the pair of roller members along the first direction toward the folding area, and folding of the display device moves each of the pair of roller members along the first direction away from the folding area.
    Type: Application
    Filed: December 31, 2019
    Publication date: October 29, 2020
    Inventors: Seong Jin HWANG, Sang Hoon KIM, Min Hoon CHOI
  • Publication number: 20200332966
    Abstract: A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Seong Jin HWANG, Se Eun KANG, Jin Hee KIM, Gyeong Il JIN
  • Patent number: 10753546
    Abstract: A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: August 25, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Jin Hwang, Se Eun Kang, Jin Hee Kim, Gyeong Il Jin
  • Publication number: 20200240595
    Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 30, 2020
    Inventor: Seong Jin HWANG
  • Patent number: RE49223
    Abstract: The present invention provides a water-soluble fluorescent compound of resveratrone 6-O-?-glucoside [(E)-4-(8-hydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)naphthalen-2-yl)but-3-en-2-one] and its derivatives of Formula I which have at least one water-soluble substituent, and a method for preparing the same by a photochemical reaction of resveratrol 3-O-?-glucoside and its derivatives of having Formula 3 which are not fluorescent. Said new water-soluble fluorescent compounds has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity, and can be usefully utilized in fields that requires water-soluble fluorescent characteristics (diagnosis, fluorescent probe, in vivo imaging, display, etc.).
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: September 27, 2022
    Assignees: SNU R&DB FOUNDATION;, GLOBAL FRONTIER CENTER FOR MULTISCALE ENERGY SYSTEMS
    Inventors: Seong Keun Kim, Il Seung Yang, Seon Jin Hwang, Jung Eun Lee, Jong Woo Lee, Jun Hee Kang, Eun Hak Lim