Patents by Inventor YeongRak CHOI

YeongRak 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: 20250159392
    Abstract: A sound apparatus and a vehicular apparatus including the same are discussed. The sound apparatus can include an enclosure having an internal space and a protrusion part having an opening hole connected to the internal space, a sound generating module at the internal space of the enclosure, and a coupling part including a hollow part connected to the internal space. The coupling part can be accommodated into the opening hole of the protrusion part. The coupling part can be detachably fastened to the protrusion part.
    Type: Application
    Filed: November 8, 2024
    Publication date: May 15, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Daewon KIM, Daeho KIM, DoHyeong KIM, YeongRak CHOI, Kwangho KIM
  • Patent number: 12267657
    Abstract: A display apparatus includes a display panel configured to display an image by emitting light, the display panel including a first area, a second area, and a third area; a first sound generating device in the first area, the first sound generating device including two sub-sound generating devices; a second sound generating device in the second area, the second sound generating device including two sub-sound generating devices; a third sound generating device in the third area; a first partition between the first area and the third area; a second partition between the second area and the third area; a third partition in a periphery of the display panel; and a fourth partition between the two sub-sound generating devices in each of the first area and the second area.
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: April 1, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Publication number: 20250048037
    Abstract: An acoustic apparatus can include a vibration member, a supporting member disposed at a first surface of the vibration member, a first vibration apparatus configured to vibrate the vibration member, and a driving circuit part electrically connected to the first vibration apparatus and configured to drive the first vibration apparatus. In addition, the driving circuit part can be disposed at an internal space between the vibration member and the supporting member.
    Type: Application
    Filed: July 24, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, Kwangho KIM, Taehyung KIM, Seonwook LEE
  • Publication number: 20240422471
    Abstract: A sound apparatus can include a sound generating module, an enclosure at a rear surface of the sound generating module with an internal space therebetween, and a protection member at the sound generating module. The sound generating module can include a vibration member and a vibration apparatus configured at the vibration member.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: DoHyeong KIM, Daewon KIM, Daeho KIM, YeongRak CHOI, Kwangho KIM
  • Publication number: 20240422462
    Abstract: A sound apparatus in one example can include a sound generating module, an enclosure disposed at the sound generating module with an internal space therebetween and including an opening part connected to the internal space, and a coupling part configured to couple the enclosure to a mount object. The coupling part can be connected to the internal space and can include a hollow part including at least one chamfer portion.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daewon KIM, YeongRak CHOI, Daeho KIM, Seungwoo BAEK, DoHyeong KIM
  • Publication number: 20240422473
    Abstract: A sound apparatus for a vehicle can include an enclosure having an internal space and a sound generating module disposed at the internal space, and a fixing part configured at the enclosure. The fixing part can be fixed to a supporting part at a vehicle structure.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daewon KIM, YeongRak CHOI, Kwangho KIM, Daeho KIM, DoHyeong KIM
  • Publication number: 20240422459
    Abstract: A sound apparatus in one example can include a sound generating module having a vibration member and a vibration apparatus configured at the vibration member, an enclosure connected to the vibration member with an internal space therebetween, and a connection member connected to the enclosure. The connection member can include a first portion and a second portion, where the first and second portions have different thicknesses from each other.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daewon KIM, YeongRak CHOI, Daeho KIM, DoHyeong KIM
  • Publication number: 20240422472
    Abstract: A sound apparatus in one example includes a sound generating module having a vibration member and a vibration apparatus configured in the vibration member, an enclosure disposed in the sound generating module with an internal space therebetween, a coupling member between the enclosure and the vibration member, and a connection member connected to the enclosure. The connection member includes a material different from a material of the coupling member.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: DoHyeong KIM, Daewon KIM, Daeho KIM, Kwangho KIM, YeongRak CHOI
  • Publication number: 20240422461
    Abstract: Discussed is a sound apparatus that can include a sound generating module and an enclosure at the sound generating module with an internal space therebetween. The sound generating module can include a vibration member including at least one or more holes and a vibration apparatus configured at the vibration member.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daeho KIM, Daewon KIM, DoHyeong KIM, YeongRak CHOI, Kwangho KIM
  • Patent number: 12167188
    Abstract: A sound generating apparatus for vehicles may include a sound generator including a sound generating member configured to vibrate a vehicle interior material of a vehicle. The sound generating member may include a plurality of vibration generator spaced apart from one another, a first protection member at a first surface of the plurality of vibration generators, and a second protection member at a second surface opposite to the first surface of the plurality of vibration generators.
    Type: Grant
    Filed: November 30, 2023
    Date of Patent: December 10, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Sungsu Ham, Joongsup Han
  • Publication number: 20240381021
    Abstract: A display apparatus includes a display module including a display panel configured to display an image, a rear cover on a rear surface of the display module, and a sound generating module at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generating module is covered by the rear cover.
    Type: Application
    Filed: July 22, 2024
    Publication date: November 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, Teh Hyeon KIM, YeongRak CHOI, Seungwan Ryu, KwanHo PARK
  • Publication number: 20240373569
    Abstract: A sliding display apparatus comprises a display panel including first to fourth side surfaces, a case configured to accommodate the display panel, a cover configured to cover an opened upper surface of the case and including a hole provided at one side thereof, a wire driving part connected to at least one wire connected to a lower surface of the display panel, and a sliding controlling part configured to control the wire driving part, and an upper portion of the display panel is exposed through the hole provided at the cover.
    Type: Application
    Filed: July 11, 2024
    Publication date: November 7, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, SeokHyo CHO
  • Publication number: 20240365037
    Abstract: A display apparatus includes a display panel configured to display an image, a vibration apparatus at a rear surface of the display panel and configured to vibrate the display panel, a supporting member at a rear surface of the vibration apparatus, and a pad member between the vibration apparatus and the supporting member. A size of the pad member may be smaller than a size of the vibration apparatus, and the pad member may be connected to the rear surface of the vibration apparatus.
    Type: Application
    Filed: June 30, 2024
    Publication date: October 31, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Yongjoon KIM, YeongRak CHOI, Joongsup HAN, Sungtae LEE
  • Publication number: 20240334131
    Abstract: Discussed is a sound apparatus for placement on a surface of a material, the sound apparatus including a sound generating module including a vibration apparatus configured to be displaced by an electric signal applied to the vibration apparatus. The sound generating module can be exposed to air on at least one side thereof. Also, a vehicular apparatus can include an interior material exposed at an internal space; and at least one or more sound generating apparatuses disposed at the interior material to output a sound to the internal space. The vehicular apparatus can include one or more of sound generating apparatuses.
    Type: Application
    Filed: March 25, 2024
    Publication date: October 3, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daewon KIM, YeongRak CHOI
  • Patent number: 12088992
    Abstract: A display apparatus includes a display module including a display panel configured to display an image, a rear cover on a rear surface of the display module, and a sound generating module at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generating module is covered by the rear cover.
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: September 10, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, Teh Hyeon Kim, Yeongrak Choi, Seungwan Ryu, Kwanho Park
  • Patent number: 12069823
    Abstract: A sliding display apparatus comprises a display panel including first to fourth side surfaces, a case configured to accommodate the display panel, a cover configured to cover an opened upper surface of the case and including a hole provided at one side thereof, a wire driving part connected to at least one wire connected to a lower surface of the display panel, and a sliding controlling part configured to control the wire driving part, and an upper portion of the display panel is exposed through the hole provided at the cover.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: August 20, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeongrak Choi, Seokhyo Cho
  • Patent number: 12069428
    Abstract: A vibration apparatus may include a vibration plate, a vibration generator at the vibration plate, and a connection member between the vibration plate and the vibration generator. The vibration generator may include a vibration structure. The connection member may include a first connection member between the vibration plate and the vibration structure and overlapping the vibration structure. The connection member may also include a second connection member surrounding the first connection member. A modulus of the first connection member may be greater than a modulus of the second connection member.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: August 20, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Minji Kim, YoungWook Ha, Chiwan Kim, GyungBo Ha, MinHo Sohn, MinKyu Choi, Jeonggoo Kang, YuSeon Kho, YeongRak Choi, Seungo Jeon, Kwangho Kim, JunSeok Oh
  • Patent number: D1055019
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: December 24, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chiyoung Lee, Kwangchan Lee, Jikyoung Kim, Yeongrak Choi, Hyunjung Song
  • Patent number: D1055020
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: December 24, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kwangchan Lee, Jikyoung Kim, Yeongrak Choi, Chiyoung Lee, Hyunjung Song
  • Patent number: D1055888
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: December 31, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chiyoung Lee, Kwangchan Lee, Jikyoung Kim, Yeongrak Choi, Hyunjung Song