Patents by Inventor Seong Hwan Hwang

Seong Hwan 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).

  • Publication number: 20250281503
    Abstract: Disclosed is applicability in novel uses of a DO3A-based material containing a gadolinium complex as an antithrombotic agent or a coagulant, on the basis of a discovery finding that the DO3A-based material containing the gadolinium complex which has been used as an anti-inflammatory agent has a novel effect of suppressing a thrombus induced by thrombin or dissolving blood, without being involved in the function of platelet action which stops bleeding at a damaged or injured area.
    Type: Application
    Filed: April 18, 2023
    Publication date: September 11, 2025
    Applicant: ETNOVA THERAPEUTICS CORP.
    Inventors: Sha Joung CHANG, Yeoun Hee KIM, Ga Ram CHOI, Hyun Jin PARK, Ye Sl KIM, Min Jin CHOI, Seong Hwan HWANG
  • Publication number: 20250255130
    Abstract: Discussed is a display panel including a plurality of pixel circuits on a substrate. Each pixel circuit includes a driving element configured to drive a light-emitting element, a light-shield metal layer disposed below the driving element, and a first capacitor and a second capacitor electrically connected in parallel between the light-shield metal layer and a gate electrode of the driving element.
    Type: Application
    Filed: April 25, 2025
    Publication date: August 7, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Patent number: 12324334
    Abstract: A display panel in one example includes a substrate, an anode including an emission region on the substrate, a reference voltage line adjacent to the anode, and a branch line connected to the reference voltage line to apply a reference voltage from the reference voltage line to the anode via a switching element. The branch line includes a semiconductor layer, and the branch line is between the reference voltage line and the anode.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: June 3, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Publication number: 20250143597
    Abstract: An apparatus for providing a tactile medium according to an embodiment includes a tactile medium unit configured to receive a plurality of tactile media capable of stimulating tactile sensation of a subject, a medium driving unit configured to move the plurality of tactile media so as to provide a specific tactile medium among the plurality of tactile media, and a drive controller configured to drive the medium driving unit so as to provide the specific tactile medium to the subject.
    Type: Application
    Filed: May 26, 2023
    Publication date: May 8, 2025
    Inventors: Hyoung KIM, Seong Hwan HWANG
  • Patent number: 12051374
    Abstract: A display panel includes a first metal layer; a first insulating layer covering the first metal layer; a semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer to cover the semiconductor layer; and a second metal layer disposed on the second insulating layer, wherein the first metal layer comprises a bottom gate electrode of a driving element, wherein the second metal layer comprises a top gate electrode of the driving element connected to the bottom gate electrode through a first contact hole penetrating the second insulating layer and the first insulating layer, wherein the semiconductor layer comprises a semiconductor channel of the driving element overlapping with the top gate electrode and the bottom gate electrode.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: July 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seong Hwan Hwang, Byeong Uk Gang, Mun Chae Yoon
  • Publication number: 20240172501
    Abstract: A display panel in one example includes a substrate, an anode including an emission region on the substrate, a reference voltage line adjacent to the anode, and a branch line connected to the reference voltage line to apply a reference voltage from the reference voltage line to the anode via a switching element. The branch line includes a semiconductor layer, and the branch line is between the reference voltage line and the anode.
    Type: Application
    Filed: January 29, 2024
    Publication date: May 23, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Patent number: 11925084
    Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: March 5, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Publication number: 20230120823
    Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Patent number: 11557642
    Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: January 17, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Patent number: 11430396
    Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes: a plurality of data lines to which a data voltage is applied; a plurality of pixel driving voltage lines arranged parallel to the data lines, and to which a pixel driving voltage is applied; and a plurality of reference voltage lines overlapping the pixel driving voltage lines with an insulating layer disposed therebetween, arranged in parallel with the data lines, and to which a reference voltage lower than the pixel driving voltage is applied.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: August 30, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seong Hwan Hwang, Mun Chae Yoon
  • Publication number: 20220148516
    Abstract: A display panel includes a first metal layer; a first insulating layer covering the first metal layer; a semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer to cover the semiconductor layer; and a second metal layer disposed on the second insulating layer, wherein the first metal layer comprises a bottom gate electrode of a driving element, wherein the second metal layer comprises a top gate electrode of the driving element connected to the bottom gate electrode through a first contact hole penetrating the second insulating layer and the first insulating layer, wherein the semiconductor layer comprises a semiconductor channel of the driving element overlapping with the top gate electrode and the bottom gate electrode.
    Type: Application
    Filed: November 10, 2021
    Publication date: May 12, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seong Hwan HWANG, Byeong Uk GANG, Mun Chae YOON
  • Publication number: 20220148519
    Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes: a plurality of data lines to which a data voltage is applied; a plurality of pixel driving voltage lines arranged parallel to the data lines, and to which a pixel driving voltage is applied; and a plurality of reference voltage lines overlapping the pixel driving voltage lines with an insulating layer disposed therebetween, arranged in parallel with the data lines, and to which a reference voltage lower than the pixel driving voltage is applied.
    Type: Application
    Filed: September 9, 2021
    Publication date: May 12, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seong Hwan HWANG, Mun Chae YOON
  • Publication number: 20210202659
    Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.
    Type: Application
    Filed: December 7, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Patent number: 9370504
    Abstract: Provided is a pharmaceutical composition that contains a 1,2-dithiolthionederivative, and is effective to prevent and treat a disease caused by overactivity of a liver X receptor? (LXR?) or a sterol response element binding protein (SREBP-1). Specifically, the pharmaceutical composition includes 1,2-dithiolthione derivatives such as 4-methyl-5-(2-pyrazinyl)-1,2-dithiol-3-thione, 3-methyl-1,2-dithiol-3-thione, or 5-(6-methoxypyrazinyl)-4-methyl-1,2-dithiol-3-thione. The pharmaceutical composition is effective for preventing and treating hypertension caused by renin, aldosteronism, adrenoleukodystrophy, glomerulosclerosis, proteinuria, nephropathy, liver steatosis, hypertriglyceridemia or hyperreninemia.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: June 21, 2016
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sang Geon Kim, Sung Hwan Ki, Seong Hwan Hwang
  • Publication number: 20110152524
    Abstract: Provided is a pharmaceutical composition that contains a 1,2-dithiolthionederivative, and is effective to prevent and treat a disease caused by overactivity of a liver X receptor? (LXR?) or a sterol response element binding protein (SREBP-1). Specifically, the pharmaceutical composition includes 1,2-dithiolthione derivatives such as 4-methyl-5-(2-pyrazinyl)-1,2-dithiol-3-thione, 3-methyl-1,2-dithiol-3-thione, or 5-(6-methoxypyrazinyl)-4-methyl-1,2-dithiol-3-thione. The pharmaceutical composition is effective for preventing and treating hypertension caused by renin, aldosteronism, adrenoleukodystrophy, glomerulosclerosis, proteinuria, nephropathy, liver steatosis, hypertriglyceridemia or hyperreninemia.
    Type: Application
    Filed: July 30, 2009
    Publication date: June 23, 2011
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sang Geon Kim, Sung Hwan Ki, Seong Hwan Hwang
  • Patent number: 7597472
    Abstract: A temperature sensor assembly having a bracket is disclosed, which can improve the accuracy of temperature measurement and maintain the fixing state of the temperature sensor after the temperature sensor is mounted. The temperature sensor assembly is installed on a fluid pipe to measure a temperature of fluid in the pipe, and includes a housing composed of a temperature sensor mounted therein, a depressed part formed on an outer periphery of the housing, and a catch groove formed on one side of the depressed part; and a bracket for fixing the housing to the pipe, composed of a housing support part formed to surround an outer periphery of the depressed part and having a catch portion formed on a cut end portion of the housing support part and fixed to the catch groove of the housing, and a pipe support part having a bent portion extending upward from the housing support part with a predetermined inclination and being in contact with the pipe and a free end portion extending from the bent portion.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: October 6, 2009
    Assignee: Pacific Controls Co., Ltd.
    Inventors: Tae Ho Hang, Deok Han Kim, Seong Hwan Hwang
  • Publication number: 20090190630
    Abstract: A temperature sensor assembly having a bracket is disclosed, which can improve the accuracy of temperature measurement and maintain the fixing state of the temperature sensor after the temperature sensor is mounted. The temperature sensor assembly is installed on a fluid pipe to measure a temperature of fluid in the pipe, and includes a housing composed of a temperature sensor mounted therein, a depressed part formed on an outer periphery of the housing, and a catch groove formed on one side of the depressed part; and a bracket for fixing the housing to the pipe, composed of a housing support part formed to surround an outer periphery of the depressed part and having a catch portion formed on a cut end portion of the housing support part and fixed to the catch groove of the housing, and a pipe support part having a bent portion extending upward from the housing support part with a predetermined inclination and being in contact with the pipe and a free end portion extending from the bent portion.
    Type: Application
    Filed: January 25, 2008
    Publication date: July 30, 2009
    Applicant: PACIFIC CONTROLS CO., LTD
    Inventors: Tae Ho Hong, Deok Han Kim, Seong Hwan Hwang