Patents by Inventor Yong An Hwang

Yong An 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: 11353255
    Abstract: Provided is a refrigerator. The refrigerator includes: a cabinet forming a storage chamber therein and including a cooling module mounting portion, a cabinet sealing portion formed on an outer surface of the cooling module mounting portion; a cooling module detachably mounted to the cooling module mounting portion and including an evaporator, a condenser, and a compressor, wherein the cooling module includes a module housing, and the module housing includes a module sealing portion facing the cabinet sealing portion, and the module sealing portion includes a module inclination portion positioned at an inclination with respect to a direction in which the cooling module is insertable into the cabinet to be mounted to the cabinet; and a sealing member positioned between the cabinet sealing portion and the module sealing portion.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-Yong Hwang, Dong-Won Koo, Sung Jin Park, Youn Tae Shin, Dong Hyun Lee
  • Patent number: 11302913
    Abstract: The present disclosure relates to a negative electrode material including, as an active material, silicon flakes with a hyperporous structure, represented by the following chemical formula 1: xSi.(1?x)A??(1) where 0.5?x?1.0, and A is an impurity, and includes at least one compound selected from the group consisting of Al2O3, MgO, SiO2, GeO2, Fe2O3, CaO, TiO2, Na2O K2O, CuO, ZnO, NiO, Zr2O3, Cr2O3 and BaO, and a preparing method of the silicon flakes.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: April 12, 2022
    Assignees: LG CHEM, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Eui-Yong Hwang, Soo-Jin Park, Jae-Geon Ryu, Jang-Bae Kim, Jong-Hyun Chae, Dong-Ki Hong
  • Patent number: 11231622
    Abstract: An optical film includes a first pattern layer including a base part and a plurality of protruding parts disposed on the base part, and having a first refractive index, and a second pattern layer disposed on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protruding parts includes a bottom surface adjacent to the base part, an upper surface opposite to the bottom surface and parallel to the bottom surface, and a side surface disposed between the bottom surface and the upper surface. The side surface includes three or more sub-inclined surfaces, inclination angles of which are different from each other, or includes a curved surface which is convex in a direction of the second pattern layer.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Kyu Shim, Seong-Yong Hwang, Dohun Kim, Jonghwan Kim, Juyoun Son, Young-keun Lee, Seoungbum Pyoun
  • Patent number: 11215864
    Abstract: An optical film includes a first pattern layer including a base part and protrusion part groups on the base part and having a first refractive index, and a second pattern layer on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protrusion part groups includes first and second protrusion parts adjacent to each other. Each of the first and second protrusion parts includes a bottom surface, an upper surface, a first side surface and a second side surface. The first and second protrusion parts are symmetrical with respect to a reference line passing through a center of each of the protrusion part groups and perpendicular to the base part. The first and second protrusion parts are asymmetrical with respect to a center line passing through a center of the upper surface and perpendicular to the bottom surface.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jonghwan Kim, Seong-Yong Hwang, Kyung-Min Kim, Sung-Kyu Shim
  • Patent number: 11195623
    Abstract: The present invention relates to a method of dental implant treatment planning, a device and a recording medium therefore. The device for dental implant treatment planning according to the present invention can move or rotate the grouped objects together in 2D or 3D model about teeth arrangement for implant treatment planning with grouping function of the implant objects. So, it decreases complexity of manipulation of the implant objects, provides users with convenience to easily modify position or size of the implant objects, and improves the accuracy of the modification.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: December 7, 2021
    Assignee: OSSTEMIMPLANT CO., LTD.
    Inventors: Kyoo Ok Choi, Tae Hwan Kim, Seung Yong Hwang, Seong Yun Lee
  • Patent number: 11193988
    Abstract: Provided is a method of measuring a magnitude of magnetization of a perpendicular magnetic thin film, including: forming a stripe pattern in which a first magnetic domain that extends in a y direction and is magnetized in a z direction and a second magnetic domain that extends in the y direction and is magnetized in a direction opposite to the z direction are arranged alternately in an x direction, in a perpendicular magnetic thin film that extends in an xy plane; changing widths in the x direction, of the first and second magnetic domains by applying a magnetic field having a predetermined magnitude, in the z direction, to the perpendicular magnetic thin film; and calculating an absolute value of the magnetization of the perpendicular magnetic thin film on the basis of a ratio between the widths in the x direction, of the first magnetic domain and the second magnetic domain.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: December 7, 2021
    Inventors: Kyoung-Woong Moon, Chan Yong Hwang, Byoung-Chul Min, Seung-young Park
  • Patent number: 11111579
    Abstract: A deposition equipment is provided. The deposition equipment includes: a reaction chamber including an upper plate and a container body, the upper plate including a gas supplier for injecting a processing gas; a wafer chuck including an upper surface on which a wafer is loaded, in the reaction chamber, with the upper surface of the wafer chuck facing the upper plate; and a processing gas shielding section which prevents the processing gas from being adsorbed to the upper surface of the wafer chuck and is disposed between the upper plate and the wafer chuck in a state in which the wafer is removed from the wafer chuck. The processing gas shielding section includes a shutter which is plate-like, and the shutter includes a region including a gas discharge section for jetting a purging gas toward the wafer chuck.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun Yong Hwang, Hyun Su Kim, Eun-Ok Lee, Taek Jung Kim, Hyo Jung Noh, Ji Won Yu
  • Patent number: 11105970
    Abstract: Provided are an optical member, a display device including the same, and method for fabricating the optical member. The optical sheet includes an adhesive layer; and an optical pattern in contact with a first surface of the adhesive layer; and a release film in contact with a second surface of the adhesive layer, opposite to the first surface, wherein the optical pattern comprises a first pattern extending in a first direction, and a plurality of second patterns formed on the first pattern, wherein the first pattern comprises peak portions having a largest thickness and depressed portions having a smallest thickness, and the adhesive layer comprises a third pattern of recesses respectively aligned with the depressed portions of the first pattern, and a fourth pattern of recesses respectively aligned with the plurality of second patterns.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Sul An, Jong Hwan Kim, Seong Yong Hwang
  • Patent number: 11092734
    Abstract: An optical member and a display device including the same. The optical member includes a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: August 17, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Yong Hwang, Young Min Park, Ju Young Yoon, Sung Kyu Shim, Sang Won Lee
  • Patent number: 11047612
    Abstract: A built-in refrigerator which includes a body; a door configured to open and close an inside of the body; a hinge configured to connect the body with the door; and a wire cover unit configured to guide a wire drawn from the body while a portion thereof slides according to an opening and closing of the door.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: June 29, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-kyu Kim, In-yong Hwang, Joong-ho Kim, Jong-kyoung Bok, Yong-man Seo, Ho-june Jeon
  • Patent number: 11013153
    Abstract: The present invention provides an inverter including: a middle frame in which a main circuit is disposed; an upper case disposed above the middle frame and configured to accommodate the main circuit; and a lower case disposed under the middle frame and having a first vent hole formed in one side surface thereof; a fan disposed at the other side surface of the lower case facing the first vent hole; a heat sink interposed between the first vent hole and the fan; an auxiliary housing disposed under the lower case, configured to accommodate an auxiliary circuit, and including a second vent hole in at least one side surface thereof; and a controller disposed in the main circuit of the auxiliary circuit.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: May 18, 2021
    Assignee: LSIS CO., LTD.
    Inventor: Soo-Yong Hwang
  • Publication number: 20210132422
    Abstract: An optical film includes a first pattern layer including a base part and protrusion part groups on the base part and having a first refractive index, and a second pattern layer on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protrusion part groups includes first and second protrusion parts adjacent to each other. Each of the first and second protrusion parts includes a bottom surface, an upper surface, a first side surface and a second side surface. The first and second protrusion parts are symmetrical with respect to a reference line passing through a center of each of the protrusion part groups and perpendicular to the base part. The first and second protrusion parts are asymmetrical with respect to a center line passing through a center of the upper surface and perpendicular to the bottom surface.
    Type: Application
    Filed: August 10, 2020
    Publication date: May 6, 2021
    Inventors: JONGHWAN KIM, Seong-Yong HWANG, Kyung-Min KIM, Sung-Kyu SHIM
  • Publication number: 20210132447
    Abstract: An optical film includes a first pattern layer including a base part and a plurality of protruding parts disposed on the base part, and having a first refractive index, and a second pattern layer disposed on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protruding parts includes a bottom surface adjacent to the base part, an upper surface opposite to the bottom surface and parallel to the bottom surface, and a side surface disposed between the bottom surface and the upper surface. The side surface includes three or more sub-inclined surfaces, inclination angles of which are different from each other, or includes a curved surface which is convex in a direction of the second pattern layer.
    Type: Application
    Filed: August 27, 2020
    Publication date: May 6, 2021
    Inventors: Sung-Kyu SHIM, Seong-Yong HWANG, Dohun KIM, Jonghwan KIM, Juyoun SON, Young-keun LEE, SEOUNGBUM PYOUN
  • Patent number: 10937949
    Abstract: Disclosed is a method of forming a doughnut-shaped skyrmion, the method including heating a local area of a vertical magnetic thin film magnetized in a first direction, which is any one of an upward direction and a downward direction, applying a magnetic field having a second direction, which is opposite the first direction, and having intensity higher than coercive force of the vertical magnetic thin film to the vertical magnetic thin film to form a first area magnetized in the second direction, applying a magnetic field having the second direction to the vertical magnetic thin film to form a second area, which is an extension of the first area, and applying a magnetic field having the first direction to the vertical magnetic thin film to form a third area magnetized in the first direction in the second area.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: March 2, 2021
    Inventors: Kyoung-Woong Moon, Chan Yong Hwang
  • Patent number: 10928577
    Abstract: An optical member includes a light guide plate, a first low refractive layer, a wavelength conversion layer, and a passivation layer. The first low refractive layer is disposed on the light guide plate. A refractive index of the first low refractive layer is smaller than a refractive index of the light guide plate. The wavelength conversion layer is disposed on the first low refractive layer. The passivation layer is disposed on the wavelength conversion layer. The passivation layer covers a side surface of the wavelength conversion layer and a side surface of the first low refractive layer on at least one side.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Yong Hwang, Jin Ho Park, Tae Gil Kang, Hyuk Hwan Kim, Sang Won Lee, Jae Jin Choi
  • Publication number: 20210050509
    Abstract: Disclosed is a method of forming a doughnut-shaped skyrmion, the method including heating a local area of a vertical magnetic thin film magnetized in a first direction, which is any one of an upward direction and a downward direction, applying a magnetic field having a second direction, which is opposite the first direction, and having intensity higher than coercive force of the vertical magnetic thin film to the vertical magnetic thin film to form a first area magnetized in the second direction, applying a magnetic field having the second direction to the vertical magnetic thin film to form a second area, which is an extension of the first area, and applying a magnetic field having the first direction to the vertical magnetic thin film to form a third area magnetized in the first direction in the second area.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 18, 2021
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Kyoung-Woong Moon, Chan Yong Hwang
  • Patent number: 10908457
    Abstract: An optical member and display device, the optical member including a diffuser plate, a wavelength conversion layer disposed on a top surface of the diffuser plate, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer on at least one side thereof, and a diffusing pattern layer disposed on and in direct contact with a bottom surface of the diffuser plate and containing diffusion particles.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Won Lee, Sung Kyu Shim, Seong Yong Hwang
  • Patent number: 10896951
    Abstract: A semiconductor device includes a channel layer located on a substrate, the channel layer including a conductive oxide, a gate structure located on the channel layer, the gate structure including a gate electrode and gate spacers located on both sidewalls of the gate electrode, and source and drain regions located on both sides of the gate structure in recess regions having a first height from a top surface of the channel layer. The source and drain regions are configured to apply tensile stress to a portion of the channel layer located under the gate structure.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: January 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-bin Song, Hei-seung Kim, Mirco Cantoro, Sang-woo Lee, Min-hee Cho, Beom-yong Hwang
  • Publication number: 20200386469
    Abstract: A refrigerator including a cabinet in which an electronic device is disposed, a cooling module provided with a cooling air supply system and detachably mounted on an outer side of the cabinet, a cabinet connection device electrically connected to the electronic device and including a cabinet fixing member fixed to the cabinet and a cabinet connector bufferably mounted to the cabinet fixing member, and a module connection device electrically connected to the cooling air supply system and including a module fixing member fixed to the cooling module and a module connector bufferably mounted to the module fixing member.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 10, 2020
    Inventors: Jangyong CHA, In-Yong HWANG
  • Patent number: 10821687
    Abstract: The present invention relates to a method of producing hollow carbon capsules which can simply and effectively produce hollow carbon capsule by using polymer particles as soft templates and using a spray-drying method.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: November 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: In Young Kim, Jin Yeong Lee, Kwon Nam Sohn, Eui Yong Hwang, Won Jong Kwon