Patents by Inventor Jung Ho Yoo

Jung Ho Yoo 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: 12284914
    Abstract: Disclosed herein are a compound represented by Chemical Formula A or Chemical Formula B and an organic light-emitting diode comprising the same.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: April 22, 2025
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Yoona Shin, Jea-Geon Lim, Sang-Woo Park, Ji-Hwan Kim, Jung-Ho Yoo, Young-Hwan Park
  • Patent number: 12114562
    Abstract: Disclosed herein are an anthracene derivative represented by [Chemical Formula A] and an organic light-emitting diode comprising same. In [Chemical Formula A], the substituents R1 to R5, R, R11 to R18, L1, and n are as defined in the description.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 8, 2024
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Yoona Shin, Jung-Ho Yoo, Sung Woo Kim, Jiwon Lee, Seok-Bae Park, Hee-Dae Kim, Yu-Rim Lee, Dong Myung Park, Seongeun Woo
  • Patent number: 12010915
    Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: June 11, 2024
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-Woo Park, Jung-Ho Yoo, Ji-Hwan Kim, Sung Woo Kim, Hyeon Jun Jo, Young-Hwan Park
  • Patent number: 11563181
    Abstract: Disclosed herein are provided an amine compound represented by the following [Chemical Formula A] or [Chemical Formula B], and an organic light-emitting diode comprising the same. wherein, the ring moieties, A1, A2, Q1, Q2, E, F, L1 to L6, Ar1 to Ar4, p1, p2, r1, r2, s1, s2, x, and y are each as defined in the Specification.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: January 24, 2023
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Yoona Shin, Jea-Geon Lim, Sang-Woo Park, Ji-Hwam Kim, Jung-Ho Yoo, Young-Hwan Park
  • Patent number: 11532792
    Abstract: The present invention relates to an organic light emitting diode comprising: a first electrode; a second electrode facing the first electrode; a hole injecting layer or a hole transport layer, which is interposed between the first electrode and the second electrode; and a light emitting layer, wherein the hole injecting layer or the hole transport layer comprises at least one type of amine compound represented by chemical formula A or chemical formula B, and the chemical formula A and the chemical formula B are the same as those included in the description of the invention.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: December 20, 2022
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-Woo Park, Jung-Ho Yoo, Yoona Shin, Yu-Rim Lee, Sung Woo Kim, Jiwon Lee
  • Publication number: 20220123219
    Abstract: Disclosed herein are an anthracene derivative represented by [Chemical Formula A] and an organic light-emitting diode comprising same. In [Chemical Formula A], the substituents R1 to R5, R, R11 to R18, L1, and n are as defined in the description.
    Type: Application
    Filed: January 14, 2020
    Publication date: April 21, 2022
    Inventors: Soon-Wook Cha, Yoona Shin, Jung-Ho Yoo, Sung Woo Kim, Jiwon Lee, Seok-Bae Park, Hee-Dae Kim, Yu-Rim Lee, Dong Myung Park, Seongeun Woo
  • Patent number: 11279693
    Abstract: The present disclosure relates to an organic compound represented by Chemical Formula A or B, and an organic light-emitting diode comprising the same.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: March 22, 2022
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Jung-Ho Yoo, Ji-Hwan Kim, Sang-Woo Park, Yoona Shin, Jea-Geon Lim
  • Patent number: 11133472
    Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: September 28, 2021
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-Woo Park, Jung-Ho Yoo, Ji-Hwan Kim, Sung Woo Kim, Hyeon Jun Jo, Young-Hwan Park
  • Publication number: 20210296590
    Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.
    Type: Application
    Filed: September 14, 2017
    Publication date: September 23, 2021
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Jung-Ho YOO, Ji-Hwan Kim, Sung Woo KIM, Hyeon Jun JO, Young-Hwan PARK
  • Publication number: 20210288266
    Abstract: The present disclosure relates to an organic light-emitting diode and, more particularly, to an organic-light-emitting diode comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A and at least one of the anthracene compounds represented by the following Chemical Formula B or C. The structures of Chemical Formulas A to C are the same as in the specification.
    Type: Application
    Filed: September 14, 2017
    Publication date: September 16, 2021
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Jung-Ho YOO, Ji-Hwan KIM, Sung Woo KIM, Hyeon Jun JO, Young-Hwan PARK
  • Patent number: 10797259
    Abstract: Disclosed is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed therebetween, wherein the light-emitting layer contains at least one selected from among the amine compounds represented by the following Chemical Formula A or Chemical Formula B and the pyrene compound represented by the following Chemical Formula C, plus the anthracene compound represented by the following Chemical Formula D. The structures of Chemical Formulas A to D are as defined in the specification.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 6, 2020
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Sang-woo Park, Jung-ho Yoo, Ji-Hwan Kim, Sung woo Kim, Hyeon Jun Jo
  • Publication number: 20200127209
    Abstract: The present invention relates to an organic light emitting diode comprising: a first electrode; a second electrode facing the first electrode; a hole injecting layer or a hole transport layer, which is interposed between the first electrode and the second electrode; and a light emitting layer, wherein the hole injecting layer or the hole transport layer comprises at least one type of amine compound represented by chemical formula A or chemical formula B, and the chemical formula A and the chemical formula B are the same as those included in the description of the invention.
    Type: Application
    Filed: July 11, 2018
    Publication date: April 23, 2020
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Jung-Ho YOO, Yoona SHIN, Yu-Rim LEE, Sung Woo KIM, Jiwon LEE
  • Publication number: 20190067588
    Abstract: The present invention relates to a novel amine compound and an organic light-emitting diode including the same. More particularly, the present disclosure relates to an amine compound that allows for high efficiency and a long lifespan in an organic light-emitting diode if used as an element therein and to an organic light-emitting diode including the same.
    Type: Application
    Filed: February 7, 2017
    Publication date: February 28, 2019
    Inventors: Soon-Wook CHA, Sang-Woo PARK, Yoona SHIN, Jung-Ho YOO, Ji-Hwan KIM, Sung Woo KIM
  • Publication number: 20180351112
    Abstract: Disclosed herein are a compound represented by Chemical Formula A or Chemical Formula B and an organic light-emitting diode comprising the same.
    Type: Application
    Filed: October 26, 2016
    Publication date: December 6, 2018
    Inventors: Soon-Wook CHA, Yoona SHIN, Jea-Geon LIM, Sang-Woo PARK, Ji-Hwan KIM, Jung-Ho YOO, Young-Hwan PARK
  • Publication number: 20180319776
    Abstract: The present disclosure relates to an organic compound represented by Chemical Formula A or B, and an organic light-emitting diode comprising the same.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 8, 2018
    Inventors: Soon-Wook CHA, Jung-Ho YOO, Ji-Hwan KIM, Sang-Woo PARK, Yoona SHIN, Jea-Geon LIM
  • Publication number: 20180019430
    Abstract: Disclosed is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed therebetween, wherein the light-emitting layer contains at least one selected from among the amine compounds represented by the following Chemical Formula A or Chemical Formula B and the pyrene compound represented by the following Chemical Formula C, plus the anthracene compound represented by the following Chemical Formula D. The structures of Chemical Formulas A to D are as defined in the specification.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 18, 2018
    Inventors: Soon-Wook CHA, Sang-woo PARK, Jung-ho YOO, Ji-Hwan KIM, Sung woo KIM, Hyeon Jun JO
  • Publication number: 20170141322
    Abstract: Disclosed herein are provided an amine compound represented by the following [Chemical Formula A] or [Chemical Formula B], and an organic light-emitting diode comprising the same. wherein, the ring moieties, A1, A2, Q1, Q2, E, F, L1 to L6, Ar1 to Ar4, p1, p2, r1, r2, s1, s2, x, and y are each as defined in the Specification.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 18, 2017
    Inventors: Soon-Wook Cha, Yoona Shin, Jea-Geon Lim, Sang-Woo Park, Ji-Hwam Kim, Jung-Ho Yoo, Young-Hwan Park
  • Patent number: 9440539
    Abstract: An energy storage apparatus has developed for railway vehicles by adopting a bidirectional DC-DC converter to increase the efficiency of charge/discharge, comprising that; a power receiving unit, filter unit, charging unit storage unit having a plurality of super-capacitors, capacitor monitoring unit, a plurality of bidirectional DC-DC converters arranged in parallel, and voltage detector electrically connected to the filter unit, current detector for detecting the currents flowing. The controller further comprises; an analog interface board, signal identifying board, signal control board, digital output contact unit, communicating board, PWM control board, optical output board, external gate driver. The PWM control board includes; a sensor input circuit, A/D converter, calculation unit, calculation control processor, and power monitoring unit.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: September 13, 2016
    Inventors: Eun Kyu Lee, Yong-Woo Lee, Tae-Suk Kim, Kyoung-Min Kwon, Jung-Ho Yoo
  • Patent number: 9112015
    Abstract: In a semiconductor device and a method of manufacturing the same, the semiconductor device includes a gate structure crossing an active region of a silicon substrate. Spacers are provided on both sides of the gate structure, respectively. Silicon patterns fill up recessed portions of the silicon substrate and on both sides of the spacers and has a shape protruding higher than a bottom surface of the gate structure, a lower edge of the protruded portion partially makes contact with a top surface of the isolation region, a first side and a second side of each of the silicon patterns, which are opposite to each other in a channel width direction in the gate structure, are inclined toward an inside of the active region. A highly doped impurity region is provided in the silicon patterns and doped with an N type impurity. The semiconductor device represents superior threshold voltage characteristics.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: August 18, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keum-Seok Park, Jung-Ho Yoo, Woo-Bin Song, Byeong-Chan Lee
  • Publication number: 20140027824
    Abstract: In a semiconductor device and a method of manufacturing the same, the semiconductor device includes a gate structure crossing an active region of a silicon substrate. Spacers are provided on both sides of the gate structure, respectively. Silicon patterns fill up recessed portions of the silicon substrate and on both sides of the spacers and has a shape protruding higher than a bottom surface of the gate structure, a lower edge of the protruded portion partially makes contact with a top surface of the isolation region, a first side and a second side of each of the silicon patterns, which are opposite to each other in a channel width direction in the gate structure, are inclined toward an inside of the active region. A highly doped impurity region is provided in the silicon patterns and doped with an N type impurity. The semiconductor device represents superior threshold voltage characteristics.
    Type: Application
    Filed: June 19, 2013
    Publication date: January 30, 2014
    Inventors: Keum-Seok PARK, Jung-Ho YOO, Woo-Bin SONG, Byeong-Chan LEE