Patents by Inventor Jiyong Choi

Jiyong Choi 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: 20240099063
    Abstract: A display panel and a display device both include a first active layer disposed on a substrate and including a channel area, a first area positioned on a first side of the channel area, and a second area positioned on a second side of the channel area, a first conductor on the first area, a second conductor on the second area, and a first auxiliary electrode on the first conductor, wherein an area where the first auxiliary electrode is disposed includes a repair area, thereby facilitating to repair a subpixel while mitigating or minimizing instantaneous ghosting on panel.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 21, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dohyung LEE, JuHeyuck BAECK, Jiyong NOH, HongRak CHOI, ChanYong JEONG
  • Publication number: 20240049593
    Abstract: A light emitting device includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including an amine compound represented by Formula 1.
    Type: Application
    Filed: May 9, 2023
    Publication date: February 8, 2024
    Inventors: MINJI KIM, HANKYU PAK, DONGJUN KIM, Chaeyeong KIM, HYUNBIN PARK, BYEONGWOOK YOO, Jeongmin LEE, EUNJAE JEONG, SEOWON CHO, SOHEE JO, JIYONG CHOI, SANGHYUN HAN
  • Publication number: 20230397491
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and an amine-containing compound represented by Formula 1, which is defined in the specification.
    Type: Application
    Filed: February 16, 2023
    Publication date: December 7, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Minji Kim, Hyunbin Park, Jeongmin Lee, JIyong Choi, Sanghyun Han
  • Publication number: 20230363272
    Abstract: A light-emitting device and an electronic apparatus including the same, the light-emitting device including a first electrode, a second electrode, and an interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: wherein details of Formulae 1 and 2 are as described herein.
    Type: Application
    Filed: May 3, 2023
    Publication date: November 9, 2023
    Inventors: Jong Soo KIM, Giwook KANG, Eunsuk KWON, Joonghyuk KIM, Hyeongmin KIM, Yusuke MARUYAMA, Youngmok SON, Eunhye AN, Satoko ISHIBE, Sooghang IHN, Dongjin JANG, Soonok JEON, Yeon Sook CHUNG, Eunjeong CHOI, Jiyong CHOI, Moran HA
  • Publication number: 20230363259
    Abstract: Embodiments provide a light-emitting device that includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, a first compound represented by Formula 1, a second compound represented by Formula 2, and at least one of a third compound represented by Formula 3 and a fourth compound represented by Formula 4, wherein the first compound to the fourth compound are different from each other, and Formulae 1 to 4 are described in the specification:
    Type: Application
    Filed: January 30, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyunbin Park, Minji Kim, Jeongmin Lee, Eunjae Jeong, Jiyong Choi, Sanghyun Han
  • Publication number: 20230320193
    Abstract: A light-emitting device includes a heterocyclic compound represented by Formula 1, an electronic apparatus includes the light-emitting device, and a heterocyclic compound is represented by Formula 1: Formula 1 may be understood by referring to the description of Formula 1 provided herein.
    Type: Application
    Filed: February 10, 2023
    Publication date: October 5, 2023
    Inventors: Hyoyoung Lee, Hyeongmin Kim, Hyunah Um, Juhui Yun, Jiyong Choi
  • Publication number: 20230309381
    Abstract: Provided are an amine compound represented by Formula 1, a light-emitting device including the same, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and at least one amine compound represented by Formula 1.
    Type: Application
    Filed: September 20, 2022
    Publication date: September 28, 2023
    Inventors: Minji Kim, Hyunbin Park, Jeongmin Lee, Eunjae Jeong, Jiyong Choi, Sanghyun Han
  • Publication number: 20230225192
    Abstract: A light emitting element that includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode is provided. The at least one functional layer includes a polycyclic compound represented by a specific chemical structure, and has a high efficiency and low driving voltage properties.
    Type: Application
    Filed: October 26, 2022
    Publication date: July 13, 2023
    Inventors: YOUNGJIN PARK, HYEONGMIN KIM, HEECHOON AHN, HYOYOUNG LEE, JIYONG CHOI
  • Publication number: 20230180595
    Abstract: A light-emitting device is provided and including a heterocyclic compound represented by Formula 1, and an electronic apparatus including the light-emitting device: Formula 1 may be understood by referring to the description of Formula 1 provided herein.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 8, 2023
    Inventors: Eunjae Jeong, Minji Kim, Hyunbin Park, Jeongmin Lee, Jiyong Choi, Sanghyun Han
  • Publication number: 20230180599
    Abstract: Provided is a light-emitting device including a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including a layer including a compound represented by Formula 1.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 8, 2023
    Inventors: Jeongmin Lee, Minji Kim, Hyunbin Park, Eunjae Jeong, Jiyong Choi, Sanghyun Han
  • Publication number: 20230180502
    Abstract: Provided are a light-emitting device including a diamine compound represented by Formula 1, an electronic apparatus including the light-emitting device, and a diamine compound represented by Formula 1, wherein details of Formula 1 are the same as described in the detailed description:
    Type: Application
    Filed: December 1, 2022
    Publication date: June 8, 2023
    Inventors: Jeongmin Lee, Minji Kim, Hyunbin Park, Eunjae Jeong, Jiyong Choi, Sanghyun Han
  • Publication number: 20230172054
    Abstract: A light emitting device includes a first electrode, a second electrode disposed on the first electrode, at least one functional layer which is disposed between the first electrode and the second electrode and includes an amine compound represented by Formula 1: wherein C1 is a substituted or unsubstituted cycloalkyl group having 6 to 12 ring-forming carbon atoms, and nx is an integer of 2 to 5.
    Type: Application
    Filed: October 6, 2022
    Publication date: June 1, 2023
    Inventors: EUNJAE JEONG, MINJI KIM, HYUNBIN PARK, Jeongmin LEE, JIYONG CHOI, SANGHYUN HAN
  • Publication number: 20230157155
    Abstract: A light emitting device includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including an amine compound represented by Formula 1.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 18, 2023
    Inventors: MINJI KIM, HANKYU PAK, DONGJUN KIM, Chaeyeong KIM, HYUNBIN PARK, BYEONGWOOK YOO, Jeongmin LEE, EUNJAE JEONG, SEOWON CHO, SOHEE JO, JIYONG CHOI, SANGHYUN HAN
  • Publication number: 20230157157
    Abstract: A light-emitting device that includes a diamine-based compound represented by Formula 1, and an electronic apparatus that includes the light-emitting device are provided.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 18, 2023
    Inventors: Eunjae Jeong, Minji Kim, Hyunbin Park, Jeongmin Lee, Jiyong Choi, Sanghyun Han
  • Publication number: 20230129854
    Abstract: A light-emitting that includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode is provided. At least one functional layer may include an aromatic compound represented by Formula 1. The light-emitting element results in a reduced driving voltage and an improved luminous efficiency.
    Type: Application
    Filed: May 13, 2022
    Publication date: April 27, 2023
    Inventors: HEECHOON AHN, Juhui YUN, HYUNAH UM, YESEUL LEE, SEOWON CHO, JIYONG CHOI
  • Publication number: 20230127262
    Abstract: A heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device are provided: wherein the detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 27, 2023
    Inventors: Hyunah Um, Hyeongmin Kim, Heechoon Ahn, Yeseul Lee, Hyoyoung Lee, Jiyong Choi