Patents by Inventor Sang Hun Lee

Sang Hun 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).

  • Publication number: 20240105918
    Abstract: A positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. The positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. The positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a Li—Ni—Co—Mn-M-O-based material, where M is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. Carbon nanotubes (CNT) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.
    Type: Application
    Filed: July 3, 2023
    Publication date: March 28, 2024
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Chang Hoon Song, Yoon Sung Lee, Ko Eun Kim, Van Chuong Ho, Jun Young Mun
  • Publication number: 20240106036
    Abstract: A pouch film laminate according to the present disclosure may include a base material layer, a gas barrier layer, and a sealant layer. The gas barrier layer may be disposed between the base material layer and the sealant layer. The gas barrier layer may include stainless steel. The pouch film laminate may have a tensile rupture strength of about 130% to about 250% of a tensile rupture strength of the gas barrier layer.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sang Hun Kim, Gyung Soo Kang, Jae Ho Lee, Hyung Kyun Yu, Ji Sun Lee
  • Publication number: 20240097566
    Abstract: A DC-DC converter, a vehicle including the converter, and a controlling method thereof are provided. The DC-DC converter includes a first capacitor connected to a first DC terminal, a second capacitor connected to a second DC terminal, a plurality of converting circuits each including at least an inductor and a plurality of switching elements, and connected to each other in parallel between the first capacitor and the second capacitor, and a controller configured to control an ON/OFF state of the plurality of switching elements provided of each of the converting circuits. When external power connection with respect to each of the first DC terminal and the second DC terminal is disconnected, the controller is configured to control states of the plurality of switching elements to sequentially provide a plurality of different discharge paths between opposite terminals of the second capacitor via the plurality of converting circuits.
    Type: Application
    Filed: July 3, 2023
    Publication date: March 21, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Beom Sik KIM, Kyu Won JEONG, Tae Woo KIM, Jae Hun JEONG, Mun Soo CHUNG, Sang Don LEE
  • Publication number: 20240097168
    Abstract: A vehicle is provided that includes a DC converter having a first end connected to a fuel cell, a second end connected to a high-voltage battery, and at least one switching element connected between the first end and the second end, a fuel cell control unit which controls an activation state of a running command for start of the fuel cell based on an on-off state of vehicle start, and a converter controller which controls a running state of the DC converter according to an initial start sequence, a shutdown sequence, or a restart sequence for the fuel cell based on the activation state of the running command.
    Type: Application
    Filed: March 8, 2023
    Publication date: March 21, 2024
    Inventors: Beom Sik KIM, Kyu Won JEONG, Tae Woo KIM, Jae Hun JEONG, Mun Soo CHUNG, Sang Don LEE
  • Publication number: 20240098390
    Abstract: The present disclosure provides a mobile communications system line number sheet management device and method. Provided, according to one aspect of the present disclosure, is a line number sheet management device and method, for automating access network-related line number sheet management by automatically collecting and updating line number information, the line number information being collected from a mobile communications base station management server (mobile communications system management server) and a fronthaul management server. Provided, according to another aspect of the present disclosure, is a fronthaul device for: acquiring unique information of a base station by receiving an optical signal from any one of a radio unit (RU) and a digital unit (DU); and transmitting the unique information of the base station to a fronthaul management server.
    Type: Application
    Filed: November 26, 2020
    Publication date: March 21, 2024
    Inventors: Sun Ik LEE, Ka Yoon KIM, Jin Wook LEE, Sang Woo KIM, Jong Min LEE, Myung Hun SONG, Beum Geun CHO
  • Patent number: 11930684
    Abstract: Provided is a display device. The display device includes a first base portion, a second base portion facing the first base portion, a light emitting layer disposed on one surface of the first base portion and emitting first light, a first wavelength conversion pattern disposed on the light emitting layer and converting the first light into second light having a different wavelength from the first light, a first color filter overlapping the first wavelength conversion pattern on one surface of the second base portion and spaced apart from the first wavelength conversion pattern, and an air layer interposed between the first wavelength conversion pattern and the first color filter.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Soon Jang, Keun Chan Oh, Gak Seok Lee, Sang Hun Lee, So Yun Lee, Ji Eun Jang
  • Publication number: 20240079550
    Abstract: Provided is a flexible air supply damper system for preventing an overdrying-caused defect of a secondary battery electrode plate, the flexible air supply damper system including: a fluid supply unit supplying a fluid; a heating unit heating the fluid supplied through the fluid supply unit; a drying unit drying the electrode plate while receiving the fluid heated through the heating unit; a damper unit splitting the fluid passing through the heating unit to control an amount of the fluid to be introduced into the drying unit; and a discharge unit through which the fluid used in the drying unit and the fluid split out of the damper unit are discharged. By controlling the amount of the fluid to be introduced into the drying unit, the electrode plate is prevented from being overdried.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 7, 2024
    Inventors: Sang Hwa LEE, Se Hun PARK, Hoe Sun JEONG
  • Publication number: 20240076127
    Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
  • Publication number: 20240071690
    Abstract: A multilayer electronic component includes a body including a plurality of dielectric layers and internal electrodes, and an external electrode disposed on the body and connected to the internal electrodes. The body includes an active portion including the plurality of internal electrodes to form capacitance, and cover portions disposed on the active portion, and the cover portions include an outer cover portion including a carbon compound and an inner cover portion disposed between the active portion and the outer cover portion. An average carbon content (Cc2) of the outer cover portion compared to an average carbon content (Cc1) of the inner cover portion satisfies 100?Cc2/Cc1?10,000.
    Type: Application
    Filed: August 14, 2023
    Publication date: February 29, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Yeop KIM, Jin Il KANG, Ji Hun LEE, Chang Hak CHOI
  • Patent number: 11911733
    Abstract: A hair dye dispenser according to an embodiment of the present invention includes a housing having an opening hole formed on one side of which a hair dye is provided, a plurality of cartridges disposed inside the housing and accommodating at least one dyeing material, a main body in which the plurality of cartridges are rotatably disposed, a main motor for rotating the main body so that a first cartridge of the plurality of cartridges is located adjacent to the opening hole, a discharge module for discharging the dyeing material contained in the first cartridge, and an accommodating body in which a basket accommodating the dyeing material discharged by the discharge module is placed, wherein the discharge module may include an elevating body that pressurizes the first cartridge when moving up and is separated from the first cartridge when moving down.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 27, 2024
    Assignee: LG FAROUK CO.
    Inventors: Kyung Sik Jang, Jeong Ho Lee, Jung Yong Lee, Seong Lok Hwang, Sang Min Lee, Joong Hun Kim
  • Patent number: 11916219
    Abstract: Provided is a flexible air supply damper system for preventing an overdrying-caused defect of a secondary battery electrode plate, the flexible air supply damper system including: a fluid supply unit supplying a fluid; a heating unit heating the fluid supplied through the fluid supply unit; a drying unit drying the electrode plate while receiving the fluid heated through the heating unit; a damper unit splitting the fluid passing through the heating unit to control an amount of the fluid to be introduced into the drying unit; and a discharge unit through which the fluid used in the drying unit and the fluid split out of the damper unit are discharged. By controlling the amount of the fluid to be introduced into the drying unit, the electrode plate is prevented from being overdried.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: February 27, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Sang Hwa Lee, Se Hun Park, Hoe Sun Jeong
  • Publication number: 20240055582
    Abstract: Disclosed are a positive electrode additive material for a lithium secondary battery having an enhancement in atmospheric stability, a method for preparing the same, and a positive electrode for a lithium secondary battery including the same. The positive electrode material includes an core including a lithium component, and a coating layer formed on a surface of the core and including a compound having a formula of LiM?O3 wherein M? is Ta or Nb.
    Type: Application
    Filed: April 20, 2023
    Publication date: February 15, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Chang Hoon Song, Yoon Sung Lee, Sung Ho Ban, Sang Hun Lee, Yong Hoon Kim, Ko Eun Kim, Da Bin Jang, Ha Eun Lee, Hui Beom Nam, Jun Ki Rhee, Seung Min Oh, Sung Min Park, Hyo Bin Lee, Tae Hee Kim, Min Sik Park
  • Patent number: 11885981
    Abstract: A camera module according to an embodiment of the present invention comprises: a substrate; a light source disposed on the substrate to output light; a first optical member for, when the light is input, diffusing and outputting the light; and a second optical member including a first liquid and a second liquid having a different refractive index from the first liquid, and when the diffused light is input, refracting and outputting the diffused light according to an interface which is formed between the first liquid and the second liquid and is changed according to applied voltage.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: January 30, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chul Kim, Jae Wook Kwon, Sang Hun Lee
  • Publication number: 20230413478
    Abstract: A cooling apparatus of a power module includes a guide provided inside a manifold cover to control a flow of a cooling fluid, wherein the cooling fluid circulated inside the manifold cover forms a vertical turbulent flow by the guide so that cooling efficiency of the power module is secured only using an internal structure of the manifold cover. Thus, heat dissipation performance is improved without a separate fin plate or a separate nozzle injection device.
    Type: Application
    Filed: November 4, 2022
    Publication date: December 21, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Se Heun KWON, Hyong Joon PARK, Sang Hun LEE
  • Patent number: 11827236
    Abstract: An automotive sensor integration module including a plurality of sensors configured to detect an object outside a vehicle, and a signal processing unit configured to output, as sensing data, a plurality of pieces of detection data output from the plurality of sensors according to any one among the plurality of pieces of detection data at a substantially same timing based on a priority signal, or output, as the sensing data, the plurality of pieces detection data according to an external pulse at a substantially same timing.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: November 28, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Sang Hun Lee, Seung Bum Lee
  • Publication number: 20230369159
    Abstract: The present invention relates to a semiconductor device. The semiconductor device according to an embodiment of the present invention includes a semiconductor substrate, a lower metal layer disposed under the semiconductor substrate and grounded, at least one transistor disposed on an upper portion of the semiconductor substrate, and at least one first through-via configured to pass through the semiconductor substrate and connected to the lower metal layer, wherein the transistor includes a gate electrode, a source electrode, and a drain electrode that are disposed on the semiconductor substrate, an inside of the at least one first through-via is filled with a conductive material, and the conductive material is electrically connected to the lower metal layer, and the at least one first through-via transfers heat generated in the transistor downward from the semiconductor substrate.
    Type: Application
    Filed: June 13, 2023
    Publication date: November 16, 2023
    Applicant: WAVEPIA CO., LTD.
    Inventor: Sang Hun LEE
  • Publication number: 20230369319
    Abstract: The present disclosure relates to a semiconductor device that includes a semiconductor substrate, a plurality of transistors disposed on the semiconductor substrate and each transistor including a gate electrode, a source electrode, and a drain electrode, a plurality of pads disposed on the semiconductor substrate and disposed at the outside of the plurality of transistors, a plurality of resistors disposed on the semiconductor substrate and electrically connected to the plurality of pads, respectively, and a plurality of upper metal layers disposed on the semiconductor substrate and configured to come into contact with the resistors. At least one of the plurality of resistors is an anti-resonance resistor that is disposed between two gate pads and is electrically connected to at least one gate pad of the two gate pads through the upper metal layer.
    Type: Application
    Filed: December 27, 2022
    Publication date: November 16, 2023
    Applicant: WAVEPIA CO., LTD.
    Inventor: Sang Hun LEE
  • Publication number: 20230371200
    Abstract: An embodiment cooling apparatus for a power module includes a manifold cover provided with an inner space that defines a flow path for a cooling fluid and in which the power module can be embedded, a fin plate embedded in the manifold cover so as to contact the power module and including a plurality of cooling fins on a surface facing an inner surface of the manifold cover, and a guide wall extending from the inner surface of the manifold cover in a flow direction of the cooling fluid to define a plurality of first channels having first closed ends and second channels having second closed ends, the guide wall overlapping the cooling fins and having an end portion in contact with the cooling fins to allow the cooling fluid to flow to the first channels and the second channels between the cooling fins in the manifold cover.
    Type: Application
    Filed: November 15, 2022
    Publication date: November 16, 2023
    Inventors: Sang Hun Lee, Hyong Joon Park, Se Heun Kwon
  • Publication number: 20230347538
    Abstract: A solar panel cutting unit includes a frame, a panel transporting mechanism at the frame to lower the solar panel in a vertical direction, first guide roller units below the panel transporting mechanism to guide and lower the solar panel, a first wire cutting mechanism including first support rollers and a first cutting wire connecting the first support rollers to each other and extending in the same direction as the adhesion lines such that the first wire cutting mechanism separates one of the thin layers from the solar panel, and a second wire cutting mechanism below the first wire cutting mechanism and including second support rollers and a second cutting wire connecting the second support rollers to each other and moving in parallel to the first cutting wire such that the second wire cutting mechanism separates another of the thin layers from the solar panel.
    Type: Application
    Filed: October 26, 2021
    Publication date: November 2, 2023
    Inventors: Sang Hun LEE, Jun Kee KIM, Tae Eun LEE, Cheong Min NOH
  • Publication number: 20230352670
    Abstract: Disclosed are a cathode material for a lithium secondary battery, which improves air exposure stability while having high energy density with a single cathode material, and a method for manufacturing the cathode material. The cathode material includes a Li—[Mn—Ti]—Al—O-based cathode active material and a carbon coating layer including pitch carbon and coated on a surface of the cathode active material.
    Type: Application
    Filed: October 26, 2022
    Publication date: November 2, 2023
    Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Yoon Sung Lee, Chang Hoon Song, Seung Taek Myung, Hee Jae Kim, Min Young Shin, Jun Ho Yu, Woo Young Jin