Patents by Inventor Eui Yeol Yang

Eui Yeol Yang 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).

  • Printed circuit board
    Patent number: 12167540
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; a second insulating layer disposed on the upper surface of the first insulating layer and surrounding the second circuit pattern; and a protective layer disposed on an upper surface of the second insulating layer, wherein the second insulating layer has at least one recess formed on its upper surface, and wherein the protective layer is disposed in the recess formed on the upper surface of the second insulating layer.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: December 10, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eui Yeol Yang, Se Woong Na, Do Hyuk Yoo
  • PRINTED CIRCUIT BOARD
    Publication number: 20220346236
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; a second insulating layer disposed on the upper surface of the first insulating layer and surrounding the second circuit pattern; and a protective layer disposed on an upper surface of the second insulating layer, wherein the second insulating layer has at least one recess formed on its upper surface, and wherein the protective layer is disposed in the recess formed on the upper surface of the second insulating layer.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Inventors: Eui Yeol YANG, Se Woong NA, Do Hyuk YOO
  • Glass composition for photo-conversion member and ceramic photo-conversion member using the same
    Patent number: 9840663
    Abstract: Provided are a ternary glass composition containing SiO2, B2O3 and ZnO, and a ceramic phosphor plate including a glass frit obtained by vitrification of the glass composition as a matrix and obtained by sintering at least one phosphor.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: December 12, 2017
    Assignee: LG INNOTEK CO., LTD
    Inventors: Ju Yeon Won, Jin Gyeong Park, In Jae Lee, Sung Hoon Kim, Won Jin Kim, Eui Yeol Yang
  • GLASS COMPOSITION FOR PHOTO-CONVERSION MEMBER AND CERAMIC PHOTO-CONVERSION MEMBER USING THE SAME
    Publication number: 20150210919
    Abstract: Provided are a ternary glass composition containing SiO2, B2O3 and ZnO, and a ceramic phosphor plate including a glass frit obtained by vitrification of the glass composition as a matrix and obtained by sintering at least one phosphor.
    Type: Application
    Filed: January 28, 2015
    Publication date: July 30, 2015
    Inventors: Ju Yeon WON, Jin Gyeong Park, In Jae Lee, Sung Hoon Kim, Won Jin Kim, Eui Yeol Yang