Patents by Inventor Yong Seok Lee

Yong Seok 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: 20240130138
    Abstract: A semiconductor memory device includes a cell substrate, a plurality of gate electrodes sequentially stacked on the cell substrate and extending in a first direction, first and second channel structures extending in a second direction different from the first direction and penetrating the plurality of gate electrodes, and a bit line disposed on the plurality of gate electrodes. The first and second channel structures each include a ferroelectric layer, a channel layer, a gate insulating layer and a back gate electrode, which are sequentially disposed on side walls of the plurality of gate electrodes. The first channel structure and the second channel structure are adjacent to each other in the first direction and share a bit line.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 18, 2024
    Inventors: Yukio HAYAKAWA, Yong Seok KIM, Bong Yong LEE, Si Yeon CHO
  • Publication number: 20240106916
    Abstract: The present invention relates to a device and method for implementing dynamic-service-oriented communication between vehicle applications on an AUTomotive Open System ARchitecture (AUTOSAR) adaptive platform (AP). A machine including an electronic control unit (ECU) to which the portable operating system interface (POSIX) operating system (OS) is ported and implementing dynamic-service-oriented communication between vehicle applications on an AUTOSAR AP includes a skeleton which is an application for providing a service on the platform, a proxy which is an application using the service on the platform, and a service communication management (CM) which is an application for brokering service-oriented communication between vehicle applications on the platform.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 28, 2024
    Applicant: POPCORNSAR CO., LTD.
    Inventors: Yun Ki CHOI, Yong Ho LEE, Won Seok CHOI, Kap Hyun KIM
  • Publication number: 20240097125
    Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include a lithium metal oxide particle containing nickel and having a mole fraction of cobalt of 0.02 or less among all elements except lithium and oxygen.
    Type: Application
    Filed: July 11, 2023
    Publication date: March 21, 2024
    Inventors: Yong Seok LEE, Jeong Hoon JEUN, Jae Ram KIM, Jae Yun MIN, Ki Joo EOM, Myung Ro LEE, Hyun Joong JANG, Je Nam CHOI
  • Patent number: 11935984
    Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Seok Han, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
  • Publication number: 20240079568
    Abstract: A lithium secondary battery includes a cathode, a separator, and an anode including an anode current collector and an anode active material layer formed on the anode current collector and facing the cathode with the separator interposed therebetween. The anode active material layer includes a first anode active material layer formed on the anode current collector and including a first anode active material and a first anode binder containing a styrene-butadiene-based rubber (SBR) binder and a second anode active material layer formed on the first anode active material layer and including a second anode active material and a second anode binder containing a acryl-based binder. Each of the first anode active material and the second anode active material includes a silicon-based active material and a graphite-based material and contains 2 to 9.5 parts by weight of silicon with respect to the 100 part by weight of the graphite-based active material.
    Type: Application
    Filed: October 25, 2023
    Publication date: March 7, 2024
    Inventors: Yong Seok LEE, Jung Hwan KIM, Myung Ro LEE, Sang Won BAE, Ji Hee BAE
  • Publication number: 20240079721
    Abstract: A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI
  • Patent number: 11923562
    Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 5, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Sung-Won Seo, Dong Yeon Kim, Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Yoon-Koo Lee, Yong-Seok Choi, Alexander Eichhorn, Andreas Track
  • Patent number: 11925051
    Abstract: A display device includes: a first base having a display area; light-emitting elements on the first base; and an encapsulation layer over the light-emitting elements. The encapsulation layer includes: a first inorganic layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer. The first inorganic layer includes: a first buffer layer on the light-emitting elements; a first barrier layer on the first buffer layer; a first porous layer on the first barrier layer; a second barrier layer on the first porous layer; and a second buffer layer on the second barrier layer. A refractive index of the first buffer layer, the first barrier layer, and the first porous layer are different from one another, and the refractive index of the first porous layer is smaller than the refractive index of the first buffer layer and the first barrier layer.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Tack Kim, Eung Seok Park, Jae Hyuk Lee, Yoon Hyeung Cho, Dong Uk Choi
  • Publication number: 20240047661
    Abstract: Provided are a negative electrode for a lithium secondary negative electrode battery including: a current collector; a first negative electrode active material layer disposed on the current collector and including a silicon-based active material, a first graphite-based active material, and a linear conductive material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material. The first graphite-based active material has a carbon coating layer on at least a part of a surface. Also provided is a lithium secondary battery including the negative electrode.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Inventors: Hyo Mi Kim, Yong Seok Lee
  • Patent number: 11876217
    Abstract: A lithium secondary battery includes a cathode, a separator, and an anode including an anode current collector and an anode active material layer formed on the anode current collector and facing the cathode with the separator interposed therebetween. The anode active material layer includes a first anode active material layer formed on the anode current collector and including a first anode active material and a first anode binder containing a styrene-butadiene-based rubber (SBR) binder and a second anode active material layer formed on the first anode active material layer and including a second anode active material and a second anode binder containing a acryl-based binder. Each of the first anode active material and the second anode active material includes a silicon-based active material and a graphite-based material and contains 2 to 9.5 parts by weight of silicon with respect to the 100 part by weight of the graphite-based active material.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: January 16, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Yong Seok Lee, Jung Hwan Kim, Myung Ro Lee, Sang Won Bae, Ji Hee Bae
  • Publication number: 20240006606
    Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.
    Type: Application
    Filed: June 20, 2023
    Publication date: January 4, 2024
    Inventors: Yong Seok LEE, Jae Ram KIM, Ji Won NA, Sang Won BAE, Yeon Hwa SONG, Ki Joo EOM, Myung Ro LEE, Jae Yeong LEE, Hyun Joong JANG
  • Publication number: 20230268506
    Abstract: An anode for a secondary battery includes a first anode mixture layer disposed on an anode current collector and a second anode mixture layer disposed on a surface of the anode, wherein the first and second anode mixture layers include a graphite-based anode active material of graphite secondary particles, at least the second anode mixture layer includes a graphite-based anode active material of graphite primary particles, and a content [A2] of graphite primary particles included in the second anode mixture layer is greater than a content [A1] of graphite primary particles included in the first anode mixture layer.
    Type: Application
    Filed: February 20, 2023
    Publication date: August 24, 2023
    Inventors: Hyun Joong JANG, Jae Ram KIM, Yong Seok LEE
  • Publication number: 20230246169
    Abstract: An anode active material for a lithium secondary battery according to embodiments of the present invention includes a carbon-based active material and a silicon-based active material including silicon-based active material particles having a particle size distribution in a range from 1 ?m to 19 ?m. A lithium secondary battery having improved life-span and rapid charge/discharge properties at room temperature is provided.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 3, 2023
    Inventors: Yong Seok LEE, Jae Ram KIM, Sang Won BAE, Yeon Hwa SONG, Ki Joo EOM, Myung Ro LEE, Jae Yeong LEE, Hyun Joong JANG
  • Publication number: 20230244111
    Abstract: A display device includes a substrate, a first data fan-out line disposed on the substrate, a first data line disposed on the first data fan-out line and comprising a repair area overlapping the first data fan-out line, a color filter disposed on the first data line and overlapping the repair area, and a connection electrode disposed in the repair area and being in direct contact with the first data fan-out line and the first data line.
    Type: Application
    Filed: March 29, 2023
    Publication date: August 3, 2023
    Inventors: Hyeon Cheol KANG, Soo San MUN, Yong Seok LEE
  • Patent number: 11650466
    Abstract: A display device includes a substrate including a display area and a non-display area disposed around the display area; a fan-out unit disposed in the non-display area and including a first pad unit and a first fan-out line electrically connected to the first pad unit; a first signal line disposed on a different layer from the first fan-out line and including a first area overlapping the first fan-out line; a first switching element disposed on the display area and electrically connected to the first signal line and a first pixel electrode; and a color filter overlapping the first area.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Cheol Kang, Soo San Mun, Yong Seok Lee
  • Publication number: 20220407052
    Abstract: Lithium secondary batteries for improving life span and resistance properties are disclosed. In an aspect, a cathode composition for a lithium secondary battery includes a cathode active material that includes a first cathode active material particle having a secondary particle shape and a second cathode active material particle having a single particle shape, and a conductive material including a linear-type conductive material.
    Type: Application
    Filed: June 9, 2022
    Publication date: December 22, 2022
    Inventors: Yong Seok LEE, Jae Ram KIM, Jung Hwan KIM, Jae Yun MIN, Sang Won BAE, Myung Ro LEE, Jae Yeong LEE, Hyun Joong JANG
  • Patent number: 11485029
    Abstract: The present invention relates to a working robot. According to one embodiment of the present invention, the working robot comprises: a body; a plurality of traveling units connected to the body, having supporting members and traveling members rotatably connected to the supporting members, and provided so as to be travelable with respect to the ground; and a plurality of adjusting units connecting the body and the traveling units, and provided to enable the relative positions of the traveling units to the body to be adjusted, wherein the plurality of traveling units are traveled and the plurality of adjusting units are adjusted so as to maintain the horizontal state of the body.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: November 1, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Chang Soo Han, Yong Seok Lee, Sang Ho Kim, Dong Ik Sun, Sang Keun Lee, Jin Sung Park, Min Ji Kim
  • Publication number: 20220328827
    Abstract: Provided are a negative electrode for a secondary battery including: a current collector; a first coating layer including a point-type conductive material and a binder, formed on the current collector; and a second coating layer including a silicon-based active material, formed on the first coating layer, and a lithium secondary battery including the same.
    Type: Application
    Filed: December 30, 2021
    Publication date: October 13, 2022
    Inventors: Yong Seok Lee, Sang Won Bae, Myung Ro Lee, Jae Ram Kim, Jung Hwan Kim
  • Patent number: 11459728
    Abstract: Disclosed are an apparatus and method for controlling a remote-controlled excavator for preventing overload. The apparatus for controlling a remote-controlled excavator according to an embodiment of the present invention comprises: inertial sensors provided in the excavator; a communication unit for receiving a remote control signal from a remote control apparatus; and a control unit for driving the excavator in response to the remote control signal, wherein the control unit stops driving the excavator when a difference between an expected posture of the excavator estimated on the basis of the remote control signal and an actual posture of the excavator measured by using the inertial sensors exceeds an allowable value.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: October 4, 2022
    Inventors: Chang Soo Han, Sang Ho Kim, Yong Seok Lee, Dong Ik Sun, Sang Keun Lee
  • Publication number: 20220310991
    Abstract: An anode for a secondary battery includes an anode current collector, and an anode active material layer including a first anode active material layer and a second anode active material layer sequentially stacked from a surface of the anode current collector. Each of the first anode active material layer and the second anode active material layer includes a carbon-based active material and a silicon-based active material as an anode active material, and a carbon nanotube as a conductive material. A content of the silicon-based active material in the second anode active material layer is greater than a content of the silicon-based active material in the first anode active material layer. A Raman R value of the carbon nanotube included in the second anode active material layer is smaller than a Raman R value of the carbon nanotube included in the first anode active material layer.
    Type: Application
    Filed: January 6, 2022
    Publication date: September 29, 2022
    Inventors: Yong Seok Lee, Jae Yun Min, Jae Ram Kim, Jung Hwan Kim, Sang Won Bae, Ji Hee Bae, Myung Ro Lee, Jae Yeong Lee