Patents by Inventor Woo-Jae Jeong

Woo-Jae Jeong 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: 20240060215
    Abstract: Disclosed is a composite fiber including a substrate and a MXene disposed inside the substrate. The substrate contains a polymer and has a fiber shape. Since the MXene content is controlled to be in an optimum range, the mechanical properties, mechanical stability, and oxidation stability of the composite fiber are maximized.
    Type: Application
    Filed: March 8, 2023
    Publication date: February 22, 2024
    Inventors: Hong Chan Jeon, Sang Soo Jeon, Hyun Dae Cho, Jee Jung Kim, So La Chung, Jin Ho Hwang, Tae Hee Han, Woo Jae Jeong, Dong Jun Kang, Hwan Soo Shin
  • Patent number: 11811434
    Abstract: A wireless device driving method includes hiding a header emulated with a second protocol in a payload of a packet defined with a first protocol and transmitting the emulated header at a transmission side, receiving the emulated header and an ambient signal at a reception side, and decoding the ambient signal according to the second protocol to obtain a bit sequence.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: November 7, 2023
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Woo Jae Jeong, Song Min Kim, Jin Hwan Jung, Seok Won Yang, Yung Yi
  • 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
  • Publication number: 20220411971
    Abstract: MXene fibers and a preparation method thereof are provided. The method for preparation of a MXene fiber comprises preparing a dope solution in which MXene sheets are dispersed in a polar solvent, extruding the dope solution into a coagulating solution to coagulate the extruded dope solution to change into a MXene gel fiber, and drying the MXene gel fiber and converting it into the MXene fiber.
    Type: Application
    Filed: December 16, 2020
    Publication date: December 29, 2022
    Inventors: Tae Hee HAN, Won Sik EOM, Sang Hoon LEE, Hwan Soo SHIN, Woo Jae JEONG
  • 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
  • Publication number: 20220311454
    Abstract: A wireless device driving method includes hiding a header emulated with a second protocol in a payload of a packet defined with a first protocol and transmitting the emulated header at a transmission side, receiving the emulated header and an ambient signal at a reception side, and decoding the ambient signal according to the second protocol to obtain a bit sequence.
    Type: Application
    Filed: August 3, 2020
    Publication date: September 29, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Woo Jae JEONG, Song Min KIM, Jin Hwan JUNG, Seok Won YANG, Yung YI
  • Publication number: 20220279663
    Abstract: The present disclosure provides an insulating layer for a multilayer printed circuit board, a multilayer printed circuit board including the same, and a method for fabricating the same. The insulating layer of the present disclosure includes a polymer resin layer containing a melamine derivative, and thus may have excellent adhesion to a patterned metal layer.
    Type: Application
    Filed: September 25, 2021
    Publication date: September 1, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Wook MUN, Kong Kyeom KIM, Woo Jae JEONG, Jee Hyeon HWNAG, Eun Byurl CHO, Jeong Hyuk AHN
  • 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: 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: 9880467
    Abstract: The present invention relates to a photo-curable and thermo-curable resin composition which can form a DFSR having micro unevenness on the surface without a separate treatment such as plasma treatment and the like and a DFSR. The photo-curable and thermo-curable resin composition includes an acid-modified oligomer having a carboxyl group (—COOH) and a photo-curable unsaturated functional group; a polyimide-based resin; a photo-polymerizable monomer having two or more photo-curable unsaturated functional groups; a thermo-curable binder having a thermo-curable functional group; and a photoinitiator.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: January 30, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Min Su Jeong, Byung Ju Choi, Woo Jae Jeong, Bo Yun Choi, Kwang Joo Lee
  • Patent number: 9865480
    Abstract: The present invention relates to an under-fill dam with high detection probability that is composed of a dry film solder resist and provided in the form of a fence around a chip device in order to prevent leaks of an under-fill material filled in a gap between a substrate and the chip device.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: January 9, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Byung-Ju Choi, Woo-Jae Jeong, Bo-Yun Choi, Kwang-Joo Lee, 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: 9416243
    Abstract: The present invention relates to a photocurable and thermosetting resin composition, including an acid modified oligomer, a photopolymerizable monomer, a thermosetting binder resin, a photoinitiator, two or more kinds of spherical alumina particles having different particle diameters from each other, and an organic solvent, a dry film solder resist obtained from the resin composition, and a circuit board including the dry film solder resist.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: August 16, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Byung Ju Choi, Woo Jae Jeong, Bo Yun Choi, Kwang Joo Lee, Min Su Jeong, Se Jin Ku
  • Patent number: 9389504
    Abstract: The present invention relates to a photo-curable and thermo-curable resin composition that can provide a dry film solder resist having a higher glass transition temperature and improved heat resistance reliability, and the dry film solder resist. Said resin composition may include an acid-modified oligomer including an iminocarbonate-based compound having a carboxy group (—COOH) and a photo-curable unsaturated functional group, a photo-polymerizable monomer having two or more photo-curable unsaturated functional groups, a thermo-curable binder having a thermo-curable functional group, and a photo-initiator.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: July 12, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Se-Jin Ku, Byung-Ju Choi, Woo-Jae Jeong, Bo-Yun Choi, Kwang Joo Lee, Min-Su Jeong