Patents by Inventor You-Jin Kyung

You-Jin Kyung 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: 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: 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: 11527503
    Abstract: The present disclosure relates to a method for manufacturing a semiconductor package including vacuum-laminating a non-conductive film on a substrate on which a plurality of through silicon vias are provided and bump electrodes are formed, and then performing UV irradiation, wherein an increase in melt viscosity before and after UV irradiation can be adjusted to 30% or less, whereby a bonding can be performed without voids during thermo-compression bonding, and resin-insertion phenomenon between solders can be prevented, fillets can be minimized and reliability can be improved.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: December 13, 2022
    Assignee: LG CHEM, LTD.
    Inventors: You Jin Kyung, Minsu Jeong, Kwang Joo Lee
  • Patent number: 11515245
    Abstract: The present invention relates to a method for manufacturing an insulating layer for a semiconductor package which can improve reliability and have excellent heat resistance by removing pores generated in the insulating layer during manufacture of an insulating layer for a semiconductor package using magnetic characteristics, and an insulating layer for a semiconductor package obtained using the method for manufacturing the insulating layer for a semiconductor package.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: November 29, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Minsu Jeong, You Jin Kyung, Byung Ju Choi, Woo Jae Jeong, Kwang Joo Lee, Eunbyurl Cho
  • Patent number: 11361878
    Abstract: The present invention relates to a method for manufacturing an insulating layer which can minimize the degree of warpage caused by polymer shrinkage at the time of curing and secure the stability of a semiconductor chip located therein, and a method for manufacturing a semiconductor package using an insulating layer obtained from the manufacturing method of the insulating layer.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: June 14, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Woo Jae Jeong, You Jin Kyung, Byung Ju Choi, Bo Yun Choi, Kwang Joo Lee, Min Su Jeong
  • Publication number: 20210388244
    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: Application
    Filed: June 12, 2020
    Publication date: December 16, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun Yeong KIM, You Jin KYUNG, Kwang Joo LEE, Ji Ho HAN, Bora YEON, Mi JANG
  • Publication number: 20210313290
    Abstract: The present disclosure relates to a method for manufacturing a semiconductor package including vacuum-laminating a non-conductive film on a substrate on which a plurality of through silicon vias are provided and bump electrodes are formed, and then performing UV irradiation, wherein an increase in melt viscosity before and after UV irradiation can be adjusted to 30% or less, whereby a bonding can be performed without voids during thermo-compression bonding, and resin-insertion phenomenon between solders can be prevented, fillets can be minimized and reliability can be improved.
    Type: Application
    Filed: January 23, 2020
    Publication date: October 7, 2021
    Applicant: LG CHEM, LTD.
    Inventors: You Jin KYUNG, Minsu JEONG, Kwang Joo LEE
  • Publication number: 20210292618
    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: Application
    Filed: May 8, 2020
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Youngsam KIM, You Jin KYUNG, Kwang Joo LEE, Minsu JEONG, Junghak KIM, Ju Hyeon KIM
  • Publication number: 20210292616
    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: Application
    Filed: June 5, 2020
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Junghak KIM, You Jin KYUNG, Kwang Joo LEE, Minsu JEONG, Ju Hyeon KIM, Youngsam KIM
  • Publication number: 20200395288
    Abstract: The present invention relates to a method for manufacturing an insulating layer for a semiconductor package which can improve reliability and have excellent heat resistance by removing pores generated in the insulating layer during manufacture of an insulating layer for a semiconductor package using magnetic characteristics, and an insulating layer for a semiconductor package obtained using the method for manufacturing the insulating layer for a semiconductor package.
    Type: Application
    Filed: December 20, 2018
    Publication date: December 17, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Minsu JEONG, You Jin KYUNG, Byung Ju CHOI, Woo Jae JEONG, Kwang Joo LEE, Eunbyurl CHO
  • Publication number: 20200347194
    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: January 9, 2019
    Publication date: November 5, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Minsu JEONG, You Jin KYUNG, Byung Ju CHOI, Woo Jae JEONG, Kwang Joo LEE, Eunbyurl CHO
  • Patent number: 10795259
    Abstract: The present invention relates to a photo-curable and heat-curable resin composition including: an acid-modified oligomer having a photo-curable functional group having an acrylate group or an unsaturated double bond, and a carboxyl group in the molecule; a photopolymerizable monomer having at least two photo-curable unsaturated functional groups; a heat-curable binder having a heat-curable functional group; a plate-like inorganic filler having an E-modulus of 90 to 120 (Gpa); a dispersant; and a photo-initiator, and a dry film solder resist prepared therefrom.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: October 6, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Byung Ju Choi, You Jin Kyung, Woo Jae Jeong, Bo Yun Choi, Min Su Jeong
  • Publication number: 20190189304
    Abstract: The present invention relates to a method for manufacturing an insulating layer which can minimize the degree of warpage caused by polymer shrinkage at the time of curing and secure the stability of a semiconductor chip located therein, and a method for manufacturing a semiconductor package using an insulating layer obtained from the manufacturing method of the insulating layer.
    Type: Application
    Filed: July 2, 2018
    Publication date: June 20, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Woo Jae JEONG, You Jin KYUNG, Byung Ju CHOI, Bo Yun CHOI, Kwang Joo LEE, Min Su JEONG
  • Publication number: 20190056658
    Abstract: The present invention relates to a photo-curable and heat-curable resin composition including: an acid-modified oligomer having a photo-curable functional group having an acrylate group or an unsaturated double bond, and a carboxyl group in the molecule; a photopolymerizable monomer having at least two photo-curable unsaturated functional groups; a heat-curable binder having a heat-curable functional group; a plate-like inorganic filler having an E-modulus of 90 to 120 (Gpa); a dispersant; and a photo-initiator, and a dry film solder resist prepared therefrom.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 21, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Byung Ju CHOI, You Jin KYUNG, Woo Jae JEONG, Bo Yun CHOI, Min Su JEONG
  • Patent number: 9788434
    Abstract: The present invention relates to a preparation method for a dry film solder resist (DFSR) capable of forming the DFSR having fine unevenness on a surface by a more simplified method, and a film laminate used therein. The preparation method for a dry film solder resist includes forming a predetermined photo-curable and heat-curable resin composition on a transparent carrier film having a surface on which a fine unevenness having an average roughness (Ra) of 200 nm to 2 ?m is formed; laminating the resin composition on a substrate to form a laminated structure in which the substrate, the resin composition, and the transparent carrier film are sequentially formed; exposing the resin composition and delaminating the transparent carrier film; and alkaline-developing the resin composition in a non-exposure part and performing heat-curing.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: October 10, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Min Su Jeong, You Jin Kyung, Byung Ju Choi, Woo Jae Jeong, Bo Yun Choi, Kwang Joo Lee, Se Jin Ku
  • Patent number: 9778566
    Abstract: Provided are a photocurable and thermocurable resin composition including: an acid-modified oligomer including an iminocarbonate-based compound containing a carboxyl group and a photocurable unsaturated functional group; a photopolymerizable monomer having two or more photocurable unsaturated functional groups; a thermocurable binder having a thermally curable functional group; a functional filler including one or more selected from the group consisting of carbon allotrope particles having a ceramic compound bound to a surface thereof and heat radiating ceramic particles; and a photoinitiator, and a dry film solder resist manufactured therefrom.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 3, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Byung Ju Choi, You Jin Kyung, Woo Jae Jeong, Bo Yun Choi, Kwang Joo Lee, Min Su Jeong
  • Patent number: 9410017
    Abstract: The present invention relates to a novel polyamic acid introduced with an imidazolyl group in the polymer chain, a photosensitive resin composition including the polyamic acid and that is capable of providing a photosensitive material that satisfies the characteristics of an excellent bending property and low stiffness and also exhibits excellent heat resistance and coating resistance, a dry film obtained from the photosensitive resin composition, and a circuit board including the dry film.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: August 9, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Jung-Hak Kim, You-Jin Kyung, Hee-Jung Kim, Kwang-Joo Lee
  • Publication number: 20160116842
    Abstract: Provided are a photocurable and thermocurable resin composition including: an acid-modified oligomer including an iminocarbonate-based compound containing a carboxyl group and a photocurable unsaturated functional group; a photopolymerizable monomer having two or more photocurable unsaturated functional groups; a thermocurable binder having a thermally curable functional group; a functional filler including one or more selected from the group consisting of carbon allotrope particles having a ceramic compound bound to a surface thereof and heat radiating ceramic particles; and a photoinitiator, and a dry film solder resist manufactured therefrom.
    Type: Application
    Filed: October 28, 2015
    Publication date: April 28, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Byung Ju CHOI, You Jin KYUNG, Woo Jae JEONG, Bo Yun CHOI, Kwang Joo LEE, Min Su JEONG
  • Publication number: 20150366070
    Abstract: The present invention relates to a preparation method for a dry film solder resist (DFSR) capable of forming the DFSR having fine unevenness on a surface by a more simplified method, and a film laminate used therein. The preparation method for a dry film solder resist includes forming a predetermined photo-curable and heat-curable resin composition on a transparent carrier film having a surface on which a fine unevenness having an average roughness (Ra) of 200 nm to 2 ?m is formed; laminating the resin composition on a substrate to form a laminated structure in which the substrate, the resin composition, and the transparent carrier film are sequentially formed; exposing the resin composition and delaminating the transparent carrier film; and alkaline-developing the resin composition in a non-exposure part and performing heat-curing.
    Type: Application
    Filed: September 22, 2014
    Publication date: December 17, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Min Su JEONG, You Jin KYUNG, Byung Ju CHOI, Woo Jae JEONG, Bo Yun CHOI, Kwang Joo LEE, Se Jin KU
  • Patent number: 9049778
    Abstract: The present invention relates to novel polyamic acid; a photosensitive resin composition satisfying excellent flexibility and low stiffness and exhibiting excellent heat resistance and plating resistance; a dry film obtained from the photosensitive resin composition; and a circuit board including the dry film.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: June 2, 2015
    Assignee: LG CHEM, LTD.
    Inventors: You-Jin Kyung, Hee-Jung Kim, Kwang-Joo Lee, Jung-Hak Kim