Patents by Inventor Hyun-Chul Kim

Hyun-Chul Kim 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: 20240034632
    Abstract: A method for producing a negative electrode active material, including mixing a carbonaceous core and a first pitch to form a first mixture and performing a first heat treatment of the first mixture to form composite particles, and mixing the composite particles and a second pitch to form a second mixture and performing a second heat treatment of the second mixture.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 1, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Chang Ju LEE, Sang Wook WOO, Hyun Chul KIM
  • Publication number: 20240001408
    Abstract: An apparatus for manufacturing a semiconductor device, including: a wet treatment chamber; a nozzle provided in the wet treatment chamber and configured to spray a treatment material onto a substrate; a supercritical fluid treatment chamber configured to supply a supercritical fluid onto the substrate to treat the substrate; a transfer device comprising an arm configured to transfer the substrate between the wet treatment chamber and the supercritical fluid treatment chamber; and a controller configured to control the wet treatment chamber to spray the treatment material onto the arm
    Type: Application
    Filed: July 3, 2023
    Publication date: January 4, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dae-Woong CHOI, Yong Myung JUN, Hyun-Chul KIM, Chang Seok SEO, Chan JEON, Woo Seok CHOE, In Sung HUH
  • Patent number: 11837717
    Abstract: The present specification relates to a negative electrode active material which includes a silicon-based composite represented by SiOa (0?a<1), and a carbon coating layer distributed on a surface of the silicon-based composite, and which has a bimodal pore structure including nanopores and mesopores. In a lithium secondary battery including the negative electrode active material, an oxygen content in the silicon-based composite can be controlled to improve initial efficiency and capacity characteristics, and a specific surface area can also be controlled, and thus a side reaction with electrolyte can be reduced.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: December 5, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun Chul Kim, Yong Ju Lee, Eun Kyung Kim
  • Publication number: 20230388766
    Abstract: Provided is a disaster warning system with active geofencing, which includes: an information collection unit for collecting real-time disaster information, real-time weather information and document information on existing disasters; a geofencing analysis unit for complexly analyzing the information to classify the scope of an area that causes a disaster damage after the disaster into caution and danger zones on a map based on geofencing, disaster situations and time series; an information generation unit for generating content for indicating the caution and danger zones on the map; and an information notification unit that provides the received content to a user mobile phone in a section set by a disaster damage prediction range, to allow the user mobile phone to indicate the caution and danger zones on the map.
    Type: Application
    Filed: August 3, 2022
    Publication date: November 30, 2023
    Inventors: Beom Jun CHO, Yong Yook KIM, Hyun Chul KIM, Han A Reum YOO, Yun Sik JUNG
  • Publication number: 20230364078
    Abstract: The present invention provides nanoparticles which contain a poorly water-soluble drug for treating hepatitis, and a method of producing the nanoparticles. More particularly, the present invention provides a method of producing nanoparticles for treating hepatitis, which includes: a first step of preparing a precursor mixture solution for synthesis of nanoparticles which include a drug for treating hepatitis; a second step of extracting the compound under supercritical or subcritical conditions; and a third step of dispersing the same, as well as the nanoparticles including a poorly water-soluble drug for treating hepatitis with improved bioavailability and without organic solvent residue.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Hyun Chul KIM, Byoung Yong MOON
  • Patent number: 11798451
    Abstract: A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: October 24, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Chul Ha, Hyun Chul Kim, Mi So Kim
  • Publication number: 20230317917
    Abstract: A method of preparing a negative electrode which includes preparing a negative electrode structure including expanded natural graphite, impregnating the negative electrode structure with a pre-lithiation solution to form an impregnated negative electrode structure, and pre-lithiating the impregnated negative electrode structure by electrochemically charging the impregnated negative electrode structure to 10% to 20% of charge capacity of the negative electrode structure.
    Type: Application
    Filed: October 25, 2021
    Publication date: October 5, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun Chul KIM, Oh Byong CHAE, Sang Wook WOO
  • Publication number: 20230317777
    Abstract: A semiconductor device is provided. The semiconductor device includes a first region having a first gate structure disposed on a substrate and a second region having a second gate structure disposed on the substrate, a hard mask formed on the substrate, the first gate structure, and the second gate structure, a deep trench formed in the substrate between the first region and the second region, and formed to penetrate the hard mask to reach an inside of the substrate, and a planarized gap-fill insulating layer formed on the second gate structure and formed inside the deep trench. A topmost surface of the planarized gap-fill insulating layer and a topmost surface of the hard mask are coplanar.
    Type: Application
    Filed: February 22, 2023
    Publication date: October 5, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Min Kuck CHO, Jung Hwan LEE, Yang Beom KANG, Hyun Chul KIM
  • Publication number: 20230304318
    Abstract: The present invention relates to a door handle and, more specifically, to a door handle which may comprise: a housing which is fixed to a door and has an inner space; a drive part which supplies rotational power; a rotating guide which is connected to the drive part to receive rotational power therefrom and rotate within the housing; and a handle part which is disposed within the rotating guide, and protrudes out of the housing by forward rotation of the rotating guide and is retracted into the housing by reverse rotation of the rotating guide.
    Type: Application
    Filed: February 2, 2021
    Publication date: September 28, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaeyong PARK, Junghan RYU, Kyu-Suh PARK, Hwa Suk SHIM, Hyun Chul KIM, Jung Hoon LEE
  • Publication number: 20230247830
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 3, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Yang Beom KANG, Jung Hwan LEE, Min Kuck CHO, Hyun Chul KIM
  • Patent number: 11703621
    Abstract: The present invention provides an optical device including a spectral filter and an optical detection unit for detecting light passing through the spectral filter. A band-limited filter is provided on the path of light.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: July 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyeong Seok Lee, Gyu Weon Hwang, Won Mok Kim, In Ho Kim, Hyun Chul Kim
  • Publication number: 20230223535
    Abstract: A negative electrode including: a negative electrode current collector; and a negative electrode active material layer on at least one surface of the negative electrode current collector. The negative electrode active material layer includes a negative electrode active material, wherein the negative electrode active material includes natural graphite particles, and has a particle strength of 40 MPa to 200 MPa when being plastically deformed.
    Type: Application
    Filed: September 16, 2021
    Publication date: July 13, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun Chul KIM, Sang Wook WOO
  • Publication number: 20230212876
    Abstract: There is disclosed a door handle having a vein authentication function including a housing provided in a door; a sensor provided in the housing for sensing a user's hand touching the housing or located in a preset region; a controller receiving a measured value from the sensor part; and an authentication part operating based on a control signal of the controller, photographing the user's hand and transmitting the photograph of the user's hand to the controller, wherein the authentication part has a photographing angle that is variable based on a position of the user's hand.
    Type: Application
    Filed: February 4, 2021
    Publication date: July 6, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyun Chul KIM, Junghan RYU, Jung Hoon LEE
  • Publication number: 20230215317
    Abstract: A display device includes a timing controller, a data driver controlled by the timing controller, and a display panel configured to display an image by the data driver. When a data signal is applied in an abnormal state, the data driver generates a voltage for display of black by itself, and supplies the voltage to the display panel.
    Type: Application
    Filed: October 27, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventor: Hyun Chul KIM
  • Patent number: 11665896
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: May 30, 2023
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il Kim, Yang Beom Kang, Jung Hwan Lee, Min Kuck Cho, Hyun Chul Kim
  • Publication number: 20230101486
    Abstract: An organic light-emitting display device includes a base substrate, a pixel array, a first power voltage wiring and a second power voltage wiring. The base substrate includes a pixel area and a peripheral area. The pixel array is disposed in the pixel area. The first power voltage wiring is disposed in the peripheral area and includes a first lower power voltage line and a first upper power voltage line. The first upper power voltage line is disposed on and contacts the first lower power voltage line. The second power voltage wiring is disposed in the peripheral area and includes a second lower power voltage line and a second upper power voltage line. The second upper power voltage line is disposed on and contacts the second lower power voltage line. The first upper power voltage line overlaps the second lower power voltage line in a plan view.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Inventors: Yoonsun CHOI, Seong Ryong LEE, Hyun Chul KIM, Seongjun LEE, Eunae JUNG
  • Patent number: 11549509
    Abstract: An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: January 10, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sung Wook Jang, Kihyup Kim, Woo Jung Kim, June Ho Lee, Jin Seung Lim, Seungwan Noh, Youngho Moon, Taegeun Kim, Jaeyeol Yun, Jungwook Lee, Chulwan Park, Chi Hun Cho, Gyu Chull Doh, Kyoo Ho Lee, Hyun Chul Kim, Joung Chul Kim, Hyun Duk Chang, Jin Hee Lee, Yongho Jung, Chang Yeon Cho, Yun Seok Sung, Hyeonjin Kim, Joo Hang Lee
  • Publication number: 20230005405
    Abstract: A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 5, 2023
    Inventors: Sung Chul HA, Hyun Chul KIM, Mi So KIM
  • Publication number: 20220393154
    Abstract: A negative electrode active material, including: a graphite core; a first carbon coating layer on the graphite core; and a second carbon coating layer on the first carbon coating layer, wherein a crystallinity of the second carbon coating layer is lower than a crystallinity of the first carbon coating layer, or the second carbon coating layer includes hard carbon and the first carbon coating layer includes soft carbon. A negative electrode including the negative electrode active material and a lithium secondary battery including the same are also disclosed.
    Type: Application
    Filed: September 29, 2020
    Publication date: December 8, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Sub JUNG, Hyun-Chul KIM, Chang-Ju LEE, Sang-Wook WOO
  • Publication number: 20220376250
    Abstract: A spheronized carbonaceous negative electrode active material and a method of preparing a spheronized carbonaceous negative electrode active material, which has an average particle diameter (D50) of 8.5-10.5 ?m, a minimum particle diameter (Dmin) of 2.3 ?m or more, and a tap density of 1.00-1.20 g/cc.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 24, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Lilin PIAO, Sang-Wook WOO, Je-Young KIM, Hyun-Chul KIM