Patents by Inventor Kwang Joo

Kwang Joo 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).

  • Patent number: 12378447
    Abstract: The present invention relates to an adhesive composition for a semiconductor and an adhesive film for a semiconductor including a cured product thereof, and in particular, to an adhesive composition for a semiconductor capable of removing voids occurring between an adherend and an adhesive and reducing bleed-out, and an adhesive film for a semiconductor including a cured product thereof.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: August 5, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Eun Bum Kim, Kwang Joo Lee, Jung Hak Kim, Ju Hyeon Kim, Yoon Sun Jang
  • Patent number: 12341033
    Abstract: Disclosed are an apparatus and a method for separating a semiconductor chip disposed on a base member via an adhesive member from the base member. The method includes: a step of providing a push member on a side of the base member opposite to a side on which the semiconductor chip is disposed and moving the push member in a direction towards the semiconductor chip; and a step of separating the semiconductor chip, moved together with the push member, from the base member through a pick-up unit. The adhesive member and the push member are each magnetized such that repulsive forces act on each other.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: June 24, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Eun Bum Kim, Ju Hyeon Kim, Kwang Joo Lee, Jung Hak Kim, Yoon Sun Jang
  • Patent number: 12286564
    Abstract: The present disclosure relates to a resin composition for semiconductor adhesion comprising: a thermoplastic resin; a thermosetting resin; a curing agent; and a curing catalyst compound having a specific structure, and an adhesive film for semiconductor, a method for manufacturing a semiconductor package, and a semiconductor package using the same.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: April 29, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Youngsam Kim, You Jin Kyung, Kwang Joo Lee, Minsu Jeong, Junghak Kim, Ju Hyeon Kim
  • Patent number: 12195789
    Abstract: The present invention discloses a method of detecting the presence of mutated genes, mRNAs or microRNAs in a subject. The method comprises the following steps: (1) Provide a body fluid sample containing cells, circulating tumor cells (CTCs), and/or extracellular vesicles (EVs); and use an analyzer having overhang molecular beacons to measure fluorescence signals generated by interactions between the body fluid sample and the overhang molecular beacons, so as to detect the presence of the mutated genes, mRNAs or microRNA. Furthermore, a biochip comprising a gold coating substrate and tethered lipoplex nanoparticles encapsulating the overhang molecular beacons is also provided in the invention.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: January 14, 2025
    Assignee: SPOT BIOSYSTEMS LTD.
    Inventors: Ly James Lee, Jiaming Hu, Kwang Joo Kwak
  • Publication number: 20240301034
    Abstract: Described herein are compositions of therapeutic extracellular vesicles, and methods and systems of producing the therapeutic extracellular vesicles. Also described herein are methods of treating a disease or condition with the therapeutic extracellular vesicles.
    Type: Application
    Filed: October 20, 2023
    Publication date: September 12, 2024
    Inventors: Ly James LEE, Junfeng SHI, Kwang Joo KWAK, Wen Jing LU, Yi YOU, Yu TIAN, Feng LAN, Andrew Stephen LEE
  • Publication number: 20240279721
    Abstract: The present invention discloses a method of detecting the presence of mutated genes, mRNAs or microRNAs in a subject. The method comprises the following steps: (1) Provide a body fluid sample containing cells, circulating tumor cells (CTCs), and/or extracellular vesicles (EVs); and use an analyzer having overhang molecular beacons to measure fluorescence signals generated by interactions between the body fluid sample and the overhang molecular beacons, so as to detect the presence of the mutated genes, mRNAs or microRNA. Furthermore, a biochip comprising a gold coating substrate and tethered lipoplex nanoparticles encapsulating the overhang molecular beacons is also provided in the invention.
    Type: Application
    Filed: July 11, 2023
    Publication date: August 22, 2024
    Inventors: Ly James LEE, Jiaming HU, Kwang Joo KWAK
  • Patent number: 12065595
    Abstract: The present disclosure relates to an adhesive sheet for temporary attachment which is excellent in heat resistance and can realize sufficient adhesive strength even when being subjected to a high temperature process during the semiconductor production process, and can exhibit a sufficient reduction in adhesive strength due to photocuring in a peeling step, and a method for producing a semiconductor device using the same.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: August 20, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sera Kim, Ji Ho Han, Mi Jang, Kwang Joo Lee
  • Publication number: 20240254372
    Abstract: An adhesive composition for a semiconductor process, a film for a semiconductor process comprising the same, and a method for manufacturing a semiconductor package using the same are provided. The adhesive composition provides the film for a semiconductor process having excellent adhesion reliability to a wafer even during a process of debonding a carrier from the wafer.
    Type: Application
    Filed: July 29, 2022
    Publication date: August 1, 2024
    Inventors: Hee SONG, Ji Ho HAN, Kwang Joo LEE
  • Patent number: 12024654
    Abstract: The present disclosure relates to a non-conductive film comprising an adhesive layer containing a low molecular weight epoxy resin; and a tacky layer containing a predetermined composition, and a method for manufacturing a semiconductor laminate using the non-conductive film.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: July 2, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Eun Yeong Kim, You Jin Kyung, Kwang Joo Lee, Ji Ho Han, Bora Yeon, Mi Jang
  • Patent number: 12006308
    Abstract: The present disclosure relates to a polymer compound having a specific structure, including an acrylic resin having a functional group capable of mutual hydrogen bonding with an acrylic resin having imidazole, a resin composition for bonding semiconductors including a thermoplastic resin; a thermosetting resin; a curing agent; and the polymer compound having a specific structure, and an adhesive film for semiconductor produced using the same.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Youngsam Kim, Junghak Kim, Ju Hyeon Kim, Kwang Joo Lee
  • Patent number: 11993731
    Abstract: The present disclosure relates to an adhesive composition for semiconductor circuit connection and an adhesive film containing the same. The adhesive composition for semiconductor circuit connection according to the present disclosure can exhibit excellent adhesive strength during thermal compression bonding of a semiconductor circuit, and minimize a warpage of wafer caused by stacking of semiconductor circuits.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: May 28, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Junghak Kim, You Jin Kyung, Kwang Joo Lee, Minsu Jeong, Ju Hyeon Kim, Youngsam Kim
  • Patent number: 11939494
    Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 26, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jong Min Jang, Byoung Ju Choi, Kwang Joo Lee, Yu Lin Sun
  • Patent number: 11932784
    Abstract: The present invention provides an adhesive composition for a dicing tape, which may prevent the success rate of chip pick-up from decreasing due to an oxygen inhibition phenomenon occurring in a dicing process, and a dicing tape including the same. The adhesive composition for a dicing tape includes an adhesive binder, a singlet oxygen scavenger, a photosensitizer, and a photoinitiator.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 19, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Da Ae Kim, Ji Ho Han, Kwang Joo Lee, Eun Yeong Kim, Mi Jang
  • Patent number: 11879075
    Abstract: The present invention relates to a resin composition for bonding semiconductors including two types of curing catalyst mixtures together with a heat dissipation filler in which a specific functional group is introduced onto the surface, an adhesive film for semiconductor produced therefrom, a dicing die bonding film and a method for dicing a semiconductor wafer.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: January 23, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Wanjung Kim, Jong Min Jang, Byung Ju Choi, Kwang Joo Lee
  • Patent number: 11834415
    Abstract: The present disclosure relates to an adhesive resin composition for bonding semiconductors, including: a thermoplastic resin; a thermosetting resin; a curing agent; and a compound having a specific structure, and an adhesive film for semiconductors including the same.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: December 5, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Ju Hyeon Kim, Junghak Kim, Seunghee Nam, Kwang Joo Lee
  • Publication number: 20230341407
    Abstract: Methods and systems for characterizing extracellular vesicular biomarkers using a biochip with gold nanoparticles. The biochip includes a glass surface, a gold film layer on the glass surface, a plurality of gold nanoparticles coupled to the gold film layer, and a plurality of biotinylated antibodies coupled to the gold nanoparticles. In some implementations, the gold film layer of the biochip is coated with polyethylene glycol (PEG). The biotinylated antibodies are selected to capture specific types of extracellular vesicles. PD-L1/PD-1 proteins and RNAs in extracellular vesicles were characterized for cancer immunotherapy.
    Type: Application
    Filed: August 18, 2021
    Publication date: October 26, 2023
    Inventors: Eduardo Reategui, Thi Hien Luong Nguyen, Kwang Joo Kwak, L. James Lee
  • Publication number: 20230295388
    Abstract: The present invention relates to an epoxy resin composition for molding a semiconductor having excellent heat resistance and mechanical properties and also having improved visibility while having a low coefficient of thermal expansion and thus exhibiting improved warpage characteristics, and a molding film and a semiconductor package using such an epoxy resin composition for molding a semiconductor.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Minsu JEONG, You Jin KYUNG, Byung Ju CHOI, Woo Jae JEONG, Kwang Joo LEE, Eunbyurl CHO
  • Patent number: 11760907
    Abstract: The present disclosure relates to an adhesive film for a semiconductor and a dicing die-bonding film the same, and particularly, to an adhesive film for a semiconductor, which may reduce electromagnetic interference generated in a semiconductor package by including a polymer matrix in which a magnetic filler including a core and a coating layer formed on the surface of the core is dispersed, and a dicing die-bonding film including the same.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: September 19, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jong Min Jang, Kwang Joo Lee, Yu Lin Sun
  • Patent number: 11702520
    Abstract: The present invention relates to an epoxy resin composition for molding a semiconductor having excellent heat resistance and mechanical properties and also having improved visibility while having a low coefficient of thermal expansion and thus exhibiting improved warpage characteristics, and a molding film and a semiconductor package using such an epoxy resin composition for molding a semiconductor.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: July 18, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Minsu Jeong, You Jin Kyung, Byung Ju Choi, Woo Jae Jeong, Kwang Joo Lee, Eunbyurl Cho
  • Patent number: 11702571
    Abstract: An adhesive sheet for temporary fixation which may have excellent heat resistance to exhibit a sufficient adhesive force even though it undergoes a high temperature process during a process of manufacturing a semiconductor device and may also exhibit a sufficient reduction of the adhesive force by photocuring during the step of peeling off, and a method of manufacturing a semiconductor device using the same, are provided.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 18, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Sera Kim, Ji Ho Han, Kwang Joo Lee