Patents by Inventor Jong-Sik Choi

Jong-Sik Choi 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: 20240136674
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
  • Publication number: 20240128123
    Abstract: A method for forming a semiconductor die, includes forming an interlayer dielectric layer on a substrate having a semiconductor die region, a seal-ring region, and a scribe line region, forming a metal pad and a test pad on the interlayer dielectric layer, forming a passivation dielectric layer on the interlayer dielectric layer, the metal pad, and the test pad, first etching the passivation dielectric layer and the interlayer dielectric layer existing between the seal-ring region and the scribe line region to a predetermined depth using a plasma etching process, second etching the passivation dielectric layer to expose the metal pad and the test pad, forming a bump on the metal pad, and dicing the substrate while removing the scribe line region by mechanical sawing.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 18, 2024
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Jin Won JEONG, Jang Hee LEE, Young Hun JUN, Jong Woon LEE, Jae Sik CHOI
  • Publication number: 20240128517
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Patent number: 11938232
    Abstract: The present invention relates to an X-ray irradiator for single blood bags, comprising: an X-ray irradiator main body provided with a chamber configured to safely hold a single blood bag therein and an X-ray tube configured to irradiate the chamber with X-rays; a loading part configured to load the blood bag; and a transfer part configured to transfer the blood bag between the loading part and the chamber to which X-rays are to be emitted. The X-ray irradiator for single blood bags according to the present invention can treat a single blood bag with X-rays, such that treatment optimized for a small amount of a blood bag can be performed, and a system configuration can be simplified by using an X-ray tube.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 26, 2024
    Assignee: KOREA INSTITUTE OF RADIOLOGICAL & MEDICAL SCIENCES
    Inventors: Seung Woo Park, Mun Sik Choi, Su Chul Han, Jong Hyun Back
  • Patent number: 11939698
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: March 26, 2024
    Assignee: SENIC INC.
    Inventors: Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik Lee, Sang Ki Ko, Kap-Ryeol Ku
  • Publication number: 20240076799
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: SENIC INC.
    Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
  • Patent number: 11917855
    Abstract: A display device includes a substrate, a transistor on the substrate, a pixel electrode connected to the transistor, a bank layer disposed on the pixel electrode and defining a pixel opening overlapping the pixel electrode, an emission layer in the pixel opening, a common electrode on the emission layer and the bank layer, an encapsulation layer on the common electrode, a sensing electrode on the encapsulation layer, a first insulating layer disposed on the encapsulation layer and overlapping the pixel opening, a second insulating layer on the first insulating layer, and a third insulating layer surrounding the first insulating layer. A refractive index of the first insulating layer, a refractive index of the second insulating layer, and a refractive index of the third insulating layer are different from one another, and the refractive index of the first insulating layer is greater than the refractive index of the third insulating layer.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Su Byun, Jong Beom Hong, Woong Sik Kim, Jung Min Choi
  • Patent number: 11697109
    Abstract: Provided are catalyst particles for treating vehicle exhaust gas, containing semiconductor nanoparticles supported by noble metals.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: July 11, 2023
    Assignee: LG HAUSYS, LTD.
    Inventors: Kyeong-Woo Choi, Dong-Il Lee, Won-Ji Hyun, Jong-Sik Choi
  • Publication number: 20230077658
    Abstract: A dewatering machine includes a screen, a screw and at least one moisture content control wing. The screen has a hollow inside, has an inlet portion through which livestock manure is inputted at a first side and an outlet portion through which dehydrated livestock manure is outputted at a second side, and has a plurality of moisture exhaust holes penetrating from an inside of the screen to an outside of the screen. The screw includes a rotation axis and a main wing formed into a spiral shape along a longitudinal direction of the rotation axis. At least one moisture content control wing is disposed between the main wings adjacent to the outlet portion, and is formed into a spiral shape along the longitudinal direction of the rotation axis.
    Type: Application
    Filed: June 24, 2021
    Publication date: March 16, 2023
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Gi Chun LEE, Tae Yeon NAM, Yong-Bum LEE, Jong-Won PARK, Dong Cheon BAEK, Hak Yong EOM, Jong Sik CHOI, Kye Suk LEE, Chung Kwang YANG
  • Publication number: 20200222880
    Abstract: Provided are catalyst particles for treating vehicle exhaust gas, containing semiconductor nanoparticles supported by noble metals.
    Type: Application
    Filed: April 4, 2018
    Publication date: July 16, 2020
    Inventors: Kyeong-Woo CHOI, Dong-Il LEE, Won-Ji HYUN, Jong-Sik CHOI
  • Patent number: 8980429
    Abstract: A tile using an activated carbon, which is excellent as a formaldehyde absorbent, and a preparation process thereof are disclosed. The effect of activated carbon on absorbing formaldehyde is maximized by the activated carbon-in-core structure, in which the problem of activated carbon that is easily oxidized during a heat treatment may be overcome.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: March 17, 2015
    Assignee: LG Hausys, Ltd.
    Inventors: Jong-Sik Choi, Ju-Hyung Lee, Seong-Moon Jung, Sun-Joo Kim
  • Patent number: 8657265
    Abstract: The present invention relates to a porous ceramic structure, and a dehumidification/humidification apparatus comprising the same. More particularly, the present invention comprises: a porous ceramic humidifying medium having an inner circumferential surface and an outer circumferential surface; a dehumidifying medium which has an inner circumferential surface and an outer circumferential surface, and which is disposed in the porous ceramic humidifying medium; and a cutoff layer formed between the inner circumferential surface of the humidifying medium and the outer circumferential surface of the dehumidifying medium. The porous ceramic structure and the dehumidification/humidification apparatus comprising same according to the present invention can easily increase the humidifying and dehumidifying capacity, simplify a flow channel, and achieve a compact design.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: February 25, 2014
    Assignee: LG Hausys, Ltd.
    Inventors: Seong-Moon Jung, Ju-Hyung Lee, Jong-Sik Choi, Sun-Joo Kim, Ho-Yeon Lim, Joo-Hwan Seo, Moon-Suk Han
  • Patent number: 8388719
    Abstract: The present invention relates to a ceramic filter comprising clay and a process for preparing the same. More specifically, the present invention relates to the ceramic filter, including wave-shaped ceramic paper and plate-shaped paper, having improved efficiency and performance that may optimize the process of coating and calcining inorganic binder by forming an outer wall thereon, using clay, and thus increase insulation effect and mechanical strength represented by the clay layer, and the process for preparing thereof.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: March 5, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Ju-Hyung Lee, Jong-Sik Choi, Hoon Ahn, Sun-Joo Kim, Seong-Moon Jung
  • Patent number: 8197779
    Abstract: The present invention relates to a catalyst for removing nitrogen oxides from an exhaust gas, a method for preparing the same and a method for removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removing nitrogen oxides from the exhaust gas in which a ceramic fiber carrier is treated by hydrothermal reaction prior to washcoating to improve the hydrothermal stability of catalyst, a method for preparing the same and a method for removing nitrogen oxide in an exhaust gas using the same. The catalyst prepared according to the present invention has excellent hydrothermal stability and an activity of the catalyst remains for a long time. Further, by using this catalyst to remove nitrogen oxides in an exhaust gas, a removal ratio of the nitrogen oxides is greatly enhanced.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: June 12, 2012
    Assignee: LG Hausys, Ltd.
    Inventors: Ju-hyung Lee, In-sik Nam, Seong-moon Jung, Jong-sik Choi, Sun-joo Kim, Hyuk-jae Kwon, Young-jin Kim, Joon-hyun Baik
  • Publication number: 20120032359
    Abstract: The present invention relates to a porous ceramic structure, and a dehumidification/humidification apparatus comprising the same. More particularly, the present invention comprises: a porous ceramic humidifying medium having an inner circumferential surface and an outer circumferential surface; a dehumidifying medium which has an inner circumferential surface and an outer circumferential surface, and which is disposed in the porous ceramic humidifying medium; and a cutoff layer formed between the inner circumferential surface of the humidifying medium and the outer circumferential surface of the dehumidifying medium. The porous ceramic structure and the dehumidification/humidification apparatus comprising same according to the present invention can easily increase the humidifying and dehumidifying capacity, simplify a flow channel, and achieve a compact design.
    Type: Application
    Filed: April 20, 2010
    Publication date: February 9, 2012
    Applicant: LG HAUSYS, LTD.
    Inventors: Seong-Moon Jung, Ju- Hyung Lee, Jong-Sik Choi, Sun-Joo Kim, Ho-Yeon Lim, Joo-Hwan Seo, Moon-Suk Han
  • Publication number: 20110305617
    Abstract: The present invention relates to a catalyst including a ceramic structure containing porous ceramic paper and a catalyst component supported on the ceramic structure, and to a method for removing formaldehyde using the catalyst. The present invention provides a catalyst in which a structure made of ceramic paper having excellent characteristics in terms of porosity, specific surface area, and the like is used as a support for the catalyst component to maximize an effective area for reacting the supported catalyst component with a substance to be treated, thereby improving catalyst performance. The present invention also provides a method of using the catalyst.
    Type: Application
    Filed: February 24, 2010
    Publication date: December 15, 2011
    Applicant: LG Hausys, LTD.
    Inventors: Ju-Hyung Lee, In-Sik Nam, Seong-Moon Jung, Jong-Sik Choi, Sun-Joo Kim, Ho-Yeon Lim, Joo-Hwan Seo
  • Publication number: 20110165049
    Abstract: The present invention relates to a catalyst for removal of nitrogen oxides from exhaust gas, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removal of nitrogen oxides from exhaust gas in which a ceramic fiber carrier is hydrothermal-treated prior to washcoating to improve the hydrothermal stability of catalyst, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same. The catalyst prepared according to the present invention has excellent hydrothermal stability and an activity of the catalyst remains for a long time. Further, by using this catalyst to remove nitrogen oxides in an exhaust gas, a removal ratio of the nitrogen oxides is improved more.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 7, 2011
    Inventors: Ju-Hyung Lee, In-sik Nam, Seong-moon Jung, Jong-sik Choi, Sun-joo Kim, Hyuk-Jae Kwon, Young-jin Kim, Joon-hyun Baik
  • Publication number: 20100258526
    Abstract: In a method of forming an ACL, a substrate is provided in a deposition chamber. A plasma deposition process is performed by providing a deposition gas into the deposition chamber to form the ACL on the substrate. The deposition gas includes a deposition source gas, a carrier gas and a control gas. The deposition source gas includes a hydrocarbon, and the control gas includes at least one of oxygen and oxycarbon.
    Type: Application
    Filed: April 5, 2010
    Publication date: October 14, 2010
    Inventors: Jaihyung Won, Jin-Hyung Park, Jeon-Sig Lim, Jae-Hyun Park, Jong-Sik Choi
  • Publication number: 20100255987
    Abstract: A tile using an activated carbon, which is excellent as a formaldehyde absorbent, and a preparation process thereof are disclosed. The effect of activated carbon on absorbing formaldehyde is maximized by the activated carbon-in-core structure, in which the problem of activated carbon that is easily oxidized during a heat treatment may be overcome.
    Type: Application
    Filed: October 2, 2007
    Publication date: October 7, 2010
    Applicant: LG HAUSYS, LTD.
    Inventors: Jong-Sik Choi, Ju-Hyung Lee, Seong-Moon Jung, Sun-Joo Kim
  • Patent number: 7753983
    Abstract: A ceramic filter and method for preparing the same. The method for preparing the ceramic filter according to the present invention is characterized in comprising the steps of: (a) coating firstly a ceramic green paper prepared by using a slurry solution comprising ceramic fiber of 0.1-10 mm length, with an aluminum silicate solution and drying the firstly coated paper; (b) coating secondly the dried ceramic green paper with an aluminum phosphate solution and drying the secondly coated paper; and (c) calcining the dried ceramic green paper obtained from the step (b). The ceramic filter according to the present invention has excellent mechanical strength since the bonding strength between ceramic fibers is very high, and shows good porosity, gas permeability, and efficiency for capturing microparticles since the pores between the ceramic fibers are less blocked, and thus can be very usefully applied to gas exhaustion system for automobile.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: July 13, 2010
    Assignee: LG Chem, Ltd.
    Inventors: Jong Sik Choi, Young Min Kong, Hoon Ahn, Sun Joo Kim, Seong Moon Jung, Dae Gon Han