Patents by Inventor Joon Sun Park

Joon Sun Park 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: 20240149292
    Abstract: A slot die coater includes a lower die block including a first manifold in which an electrode active material slurry is accommodated, an upper die block including a second manifold in which an insulating coating solution is accommodated, and a shim plate located between the lower die block and the upper die block to form a slot communicating with a discharge port. The shim plate includes a first concave portion provided in a first surface located to cover the first manifold of the lower die block, and a second concave portion provided in a second surface located to cover the second manifold of the upper die block, wherein two second concave portions are configured to be located on opposite sides of the first concave portion in a width direction.
    Type: Application
    Filed: December 7, 2022
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Joon-Sun Park, Guk-Tae Kim, Man-Hyeong Kim, Min-Hyuck Choi
  • Publication number: 20240116072
    Abstract: A slot die shim, which is interposed between a first slot die and a second slot die, has a plurality of flow paths separated by a plurality of protruding portions so that electrode slurry flows through the plurality of flow paths. The slot die shim includes a coupling portion coupled to the first and second dies, a plurality of first protruding portions protruding from one side of the coupling portion and spaced apart from one another, and one or more second protruding portions positioned between the first protruding portions, in which the second protruding portion includes a groove through which the slurry flows.
    Type: Application
    Filed: December 6, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Younggyu Moon, Joon Sun Park, Manhyeong Kim, Eudeum Kim, Byeongwon Lee
  • Publication number: 20240107857
    Abstract: A display device includes a thin-film transistor, a source/drain electrode and an auxiliary electrode including a first conductive layer and a second conductive layer disposed on the first conductive layer, a via insulating layer having a first opening exposing the auxiliary electrode, a capping layer covering a portion of the auxiliary electrode and a light emitting material layer and a common electrode layer sequentially stacked on the via insulating layer and the capping layer, wherein the source/drain electrode is electrically connected to the thin-film transistor through a contact hole penetrating the interlayer insulating layer, the auxiliary electrode has an undercut, and the capping layer includes a first capping layer covering side surfaces of the first conductive layer of the auxiliary electrode and a second capping layer separated from the first capping layer and disposed on the second conductive layer of the auxiliary electrode.
    Type: Application
    Filed: June 20, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Gu LEE, Hye Jin GWARK, Jae Ik KIM, Hwi KIM, Jung Sun PARK, Yeon Hwa LEE
  • Publication number: 20240099114
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 21, 2024
    Inventors: Jae Sik KIM, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE, Kyu Hwan HWANG
  • Publication number: 20240088453
    Abstract: Disclosed herein relates to an electrode for a lithium secondary battery and a manufacturing method thereof, and since the electrode for a lithium secondary battery is provided with an auxiliary coating layer containing inorganic particles, a phenolic compound, and a binder at the end of an electrode mixture layer containing an electrode active material, thereby improving energy density of the battery due to an improvement in thickness deviation at the end of the electrode mixture layer, and preventing lithium from being precipitated at the end of the electrode, especially the negative electrode, due to increase in the adhesive strength of the separator at the end of the electrode, it has an advantage of excellent safety.
    Type: Application
    Filed: December 22, 2022
    Publication date: March 14, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Joon Sun PARK, Taek Soo LEE, Man Hyeong KIM, Min Hyuck CHOI, Guk Tae KIM
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Patent number: 11930201
    Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: March 12, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Young Park, Seung Wook Park, Jung Sun Kim, Young Hee Choi, Byeong Moon Jeon
  • Publication number: 20240058834
    Abstract: A die coater capable of effectively simultaneously coating a current collector with two types of different liquids, which includes an upper block provided with a second liquid inlet, a lower block coupled to the upper block and provided with a manifold configured to accommodates a first liquid, and coater shims interposed between the upper block and the lower block to form a first slit and a second slit which are separated from each other. The coater shims include a first coater shim which forms a first slit for discharging the first liquid accommodated in the manifold and a second coater shim which forms a second slit for discharging the second liquid supplied through the second liquid inlet. The first coater shim and the second coater shim have the same height, do not overlap vertically, and are placed on the same surface between the upper block and the lower block.
    Type: Application
    Filed: January 9, 2023
    Publication date: February 22, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Joon Sun Park, Man Hyeong Kim, Min Hyuck Choi, Guk Tae Kim
  • Publication number: 20240063362
    Abstract: An electrode coating device and an electrode coating method are disclosed. An electrode coating device according to an embodiment of the present disclosure includes a slot die coater to apply a slurry to a substrate; and an edge adjusting material providing means providing an edge adjusting material to adjust a protrusion formed at an end of the slurry by contacting the slurry.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 22, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min-Hyuck Choi, Guk-Tae Kim, Man-Hyeong Kim, Joon-Sun Park, Taek-Soo Lee, Shin-Wook Jeon
  • Publication number: 20240024911
    Abstract: A die coater shim and die coater for simultaneously coating an electrode slurry and an insulating coating liquid. The die coater shim includes: a base that extends in a width direction; first and second guides that protrude and extend from both ends of the base; an electrode slurry slit that includes a step portion that extends from the base in the width direction between the first and second guides, wherein a thickness of the step portion is smaller than a thickness of the base, and a stepped space that the step portion forms relative to one surface of the base to form an electrode slurry discharge path; and first and second insulating coating liquid slits which include a groove on a surface of each of the first and second guides, wherein one end of the groove forms an insulating coating liquid discharge path.
    Type: Application
    Filed: October 31, 2022
    Publication date: January 25, 2024
    Applicant: LG Energy Solution, Ltd
    Inventors: Joon Sun Park, Man Hyeong Kim, Min Hyuck Choi, Guk Tae Kim
  • Publication number: 20230128280
    Abstract: A method and apparatus for supplying insulating liquid to form an insulating coating layer on an electrode is disclosed herein. In some embodiments, an apparatus includes a storage tank for storing an insulating liquid; a coating die for coating the insulating liquid on an electrode; a supply line which supplies the insulating liquid from the storage tank to the coating die; a pump connected to the supply line; a defoaming tank connected to the storage tank and supplies defoamed insulating liquid to the storage tank; a vacuum pump which defoams bubbles of the insulating liquid by applying vacuum to the defoaming tank; a bubble sensor connected to the supply line, wherein the bubble sensor senses generation of bubbles in the supply line in real time; and a controller for adjusting an operating condition of the apparatus based on an amount of bubbles sensed by the bubble sensor.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 27, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jin Ki Han, Joon Sun Park, Jae Young Sung, In Chan Choi
  • Publication number: 20230118174
    Abstract: Disclosed herein is a roundness measuring device and a roundness measuring method of a coating roll for battery manufacturing. The roundness measuring device of a coating roll that supports an electrode sheet when the electrode sheet is coated with an electrode slurry, the roundness measuring device comprising: a displacement sensor spaced apart from the coating roll and configured to measure roundness of the coating roll in a non-contact manner; and a support member on which the displacement sensor is installed and which extends in a length direction of the coating roll, wherein the displacement sensor is installed as a plurality of displacement sensors on the support member in the length direction of the coating roll.
    Type: Application
    Filed: January 5, 2022
    Publication date: April 20, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jae Young Sung, Joon Sun Park, Chae Gyu Lee, Duck Joong Yun, Jeong Yong Lee, Woo Jin An, Koo Youn Hwang, Won Hak Cho, Jin Ki Han
  • Publication number: 20210387223
    Abstract: The present invention relates to a slot die with a structure in which a stripe shim and a cover shim are mounted between an upper body and a lower body, and a choke bar is inserted into a through path formed in the upper body, and an apparatus for coating an electrode slurry including the slot die. According to the present invention, by forming a space in which the choke bar can move by the cover shim, it is possible to adjust the flow rate of the slurry through the choke bar regardless of the shape of the stripe shim.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Joon Sun Park, Hyeong Geun Chae