Patents by Inventor Hyunju Choi

Hyunju 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: 20240409482
    Abstract: Provided are a novel compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, wherein all the variables are described herein.
    Type: Application
    Filed: June 9, 2023
    Publication date: December 12, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Young Kwang Kim, Jaechol Lee, Yongwook Kim, Juhwan Kim, Hyungil Park, Byeong Yun Lim, Hyunju Choi
  • Publication number: 20240373570
    Abstract: An electronic device is provided.
    Type: Application
    Filed: July 18, 2024
    Publication date: November 7, 2024
    Inventors: Nakhyun CHOI, Baekeun CHO, Myunghoon KWAK, Hyunsuk KIM, Sanghyuk PARK, Soohyun SEO, Wonho LEE, Joongyeon CHO, Junghyeob LEE, Hyunju HONG
  • Patent number: 12120256
    Abstract: An electronic device is provided. The electronic device includes a first structure, a second structure slidably coupled to the first structure in a first direction or an opposite direction to the first direction, a display of which a partial area is arranged in the second structure so as to move together with the second structure, and of which at least part of the remaining area is positioned in the first structure, wherein the size of an area of the display that forms the front surface of the electronic apparatus changes in response to the sliding motion of the second structure, and a plurality of substrates which are arranged in the first structure and include at least one printed circuit board, wherein the first structure may be configured so that at least a portion thereof is electrically connected to the printed circuit board and used as an antenna radiator.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: October 15, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyunsuk Kim, Soohyun Seo, Jihyung Jung, Joongyeon Cho, Nakhyun Choi, Yangwook Kim, Byounguk Yoon, Hyunju Hong
  • Publication number: 20240340367
    Abstract: According to various embodiments, an electronic device may include a first housing; a second housing slidably coupled to the first housing; a rollable display that is disposed to be supported by the first housing and the second housing; a support member disposed on the rear surface of the rollable display; a first printed circuit board disposed on the first housing; a second printed circuit board disposed on the second housing; a flexible printed circuit board that connects the first printed circuit board and the second printed circuit; a driving motor disposed on the second housing and providing a driving force to drive the second housing; a battery disposed on the second housing and supplying power to the driving motor; a pinion gear disposed on the second housing and transmitting power based on the driving force of the driving motor; and a rack gear disposed on the first housing and gear-coupled with the pinion gear.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Inventors: Sanghyuk PARK, Hyunsuk KIM, Soohyun SEO, Wonho LEE, Joongyeon CHO, Nakhyun CHOI, Junghyeob LEE, Hyunju HONG
  • Publication number: 20240327647
    Abstract: Provided are a coating composition comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2 and a solvent, an organic light emitting device including the same, and a method for manufacturing the same, wherein all the variables are described herein.
    Type: Application
    Filed: January 17, 2023
    Publication date: October 3, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Hyunju Choi, Hyungil Park, Jaechol Lee, Su Hun Jeong, Yongwook Kim
  • Publication number: 20240306503
    Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same; wherein A1 to A5, Ar1 Ar2 and R are described herein.
    Type: Application
    Filed: January 4, 2022
    Publication date: September 12, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Young Kwang Kim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Byeong Yun Lim, Beomshin Cho, Hyunju Choi
  • Publication number: 20240298542
    Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1 and an organic light emitting device including the same, wherein Ar1, Ar2, R1 to R3, and n1 to n3 are described herein.
    Type: Application
    Filed: July 28, 2022
    Publication date: September 5, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Shin Sung Kim, Young Kwang Kim, Juhwan Kim, Hyunju Choi
  • Publication number: 20240292752
    Abstract: A compound represented by the following Chemical Formula 1 and an organic light emitting device including the same are described: wherein all the variables are described herein.
    Type: Application
    Filed: April 18, 2022
    Publication date: August 29, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Hyunju Choi
  • Patent number: 12072734
    Abstract: An electronic device includes a first housing including a first space and including a first support member. The device includes a second housing including a second space, including a second support member, and slidably combined with the first housing. The device includes a bendable member connected to the first housing, being at least partly accommodated in a second space in a slide-in state, and at least partly forming the same plane with the first housing in a slide-out state. The device includes a flexible display including a first part disposed to be seen from an outside in the slide-in state, and a second part not seen from the outside. The device includes at least one first antenna and a wireless communication circuit configured to transmit or receive a wireless signal. The first support member includes a non-overlapping part not overlapping the second support member in the slide-in state.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: August 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jooyoung Kang, Yeonggyu Yoon, Inkuk Yun, Wonho Lee, Joungmin Cho, Junyoung Choi, Yangwook Kim, Byounguk Yoon, Hyunju Hong
  • Patent number: 12058830
    Abstract: Provided is an electronic device including a first housing, a second housing, a flexible housing including a hinge structure, a first printed circuit board disposed in the first housing, a second printed circuit board disposed in the first housing, laminated on one surface of the first printed circuit board facing a second direction and including a connector on one surface facing the second direction, a flexible printed circuit board connected with the connector, extending from the second housing through the hinge structure to the first housing, a rib supporting the first printed circuit board, disposed between the first printed circuit board and a first surface, including a through hole through which part of the flexible printed circuit board passes, extending in the second direction from one end, and at least one sealing member sealing a space between the through hole and part of the flexible printed circuit board.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: August 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sujin Cho, Jungchul An, Woosung Chun, Seungki Choi, Hyunju Hong
  • Publication number: 20240090330
    Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein A1 to A4, X, Y and n are described herein.
    Type: Application
    Filed: March 8, 2022
    Publication date: March 14, 2024
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Hyunju Choi
  • Publication number: 20230406867
    Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein Ar1 to Ar4 and R1 are described herein.
    Type: Application
    Filed: December 3, 2021
    Publication date: December 21, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Yongwook Kim, Jaechol Lee, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Byeong Yun Lim, Hyunju Choi
  • Publication number: 20230115435
    Abstract: The present disclosure provides a novel compound of Chemical Formula 1 and an organic light emitting device including the same, X1, X2, A4, A5, Ar1, Ar2, and R1 to R4 are described herein.
    Type: Application
    Filed: July 19, 2021
    Publication date: April 13, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Shin Sung Kim, Jaechol Lee, Yongwook Kim, Young Kwang Kim, Byeong Yun Lim, Beomshin Cho, Hyunju Choi
  • Publication number: 20230043088
    Abstract: The present disclosure provides an organic light emitting device comprising a hole injection layer including a cured product of a compound represented by the following Chemical Formula 1, and a hole transport layer including a polymer containing a repeating unit represented by the following Chemical Formula 2: wherein all the variables a10-re described herein.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 9, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Esder Kang, Yeonhui Yi, Sejin Jung, Beomgoo Kang, Min Suk Jung, Jaesoon Bae, Jaechol Lee, Yebyeol Kim, Hyunju Choi
  • Publication number: 20220389127
    Abstract: The present specification relates to a polymer comprising a unit represented by Chemical Formula 1, a monomer represented by Chemical Formula 2, a coating composition comprising the same, an organic light emitting device formed using the same, and a method for manufacturing an organic light emitting device using the same: wherein the variables are described herein.
    Type: Application
    Filed: September 18, 2020
    Publication date: December 8, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Min Suk Jung, Jaesoon Bae, Youngju Park, Esder Kang, Byeong Yun Lim, Dowon Lim, Jaechol Lee, Hyunju Choi
  • Patent number: 10903442
    Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changmin Lee, Jihye Shim, Yeonwoo Lee, Jehong Choi, Hyunju Choi, Sangwoo Pyo, Myungsuk Han
  • Publication number: 20190148648
    Abstract: Disclosed are an organic light-emitting diode and an organic light-emititng display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; and an organic layer interposed between the first electrode and the second layer and including a hole transport region, a light-emitting layer, an electron transport region, and a diffusion barrier layer, wherein the diffusion barrier layer includes one or more diffusion barrier materials including a 6- to 20-membered N-heterocyclic aromatic compound, a lithium complex, and/or a phosphine oxide-based compound.
    Type: Application
    Filed: July 23, 2018
    Publication date: May 16, 2019
    Inventors: Changmin LEE, Jihye SHIM, Yeonwoo LEE, Jehong CHOI, Hyunju CHOI, Sangwoo PYO, Myungsuk HAN
  • Publication number: 20190148663
    Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 16, 2019
    Inventors: Changmin LEE, Jihye SHIM, Yeonwoo LEE, Jehong CHOI, Hyunju CHOI, Sangwoo PYO, Myungsuk HAN
  • Patent number: 9711746
    Abstract: An organic light emitting diode display includes: a substrate; and a plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes on the substrate, each of the plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes including: a first electrode on the substrate; an organic layer on the first electrode; and a second electrode on the organic layer, and the organic layer includes a light emission auxiliary layer on the first electrode and an organic light emitting layer on the light emission auxiliary layer, and the organic layer of each of the red organic light emitting diodes has a thickness of about 90 to 110 nm.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: July 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changmin Lee, Hyunju Choi, Jihwan Yoon
  • Publication number: 20160133674
    Abstract: An organic light emitting diode display includes: a substrate; and a plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes on the substrate, each of the plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes including: a first electrode on the substrate; an organic layer on the first electrode; and a second electrode on the organic layer, and the organic layer includes a light emission auxiliary layer on the first electrode and an organic light emitting layer on the light emission auxiliary layer, and the organic layer of each of the red organic light emitting diodes has a thickness of about 90 to 110 nm.
    Type: Application
    Filed: April 21, 2015
    Publication date: May 12, 2016
    Inventors: Changmin Lee, Hyunju Choi, Jihwan Yoon