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).

  • Patent number: 11950035
    Abstract: A sound generating apparatus for vehicles may include a sound generating device to be covered by a vehicle interior material of a vehicle. The sound generating device may be configured to vibrate the vehicle interior material. A vehicle including the sound generating apparatus for vehicles may include a vehicle interior material, covering a vehicle structure, and at least one sound generating apparatus disposed at the vehicle interior material. The vehicle interior material may vibrate according to a vibration of the sound generating apparatus to output a sound.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: April 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Sungsu Ham, Joongsup Han
  • Patent number: 11950068
    Abstract: Disclosed is a display device that includes a display panel, sound generating actuators including a first sound generating actuator in a first area of the display panel and a second sound generating actuator in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate sound, and a partition between the first sound generating actuator and the second sound generating actuator.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: April 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Publication number: 20240098396
    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: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Sungsu HAM, Joongsup HAN
  • Publication number: 20240098403
    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: December 1, 2023
    Publication date: March 21, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, Teh Hyeon KIM, YeongRak CHOI, Seungwan Ryu, KwanHo PARK
  • Patent number: 11930338
    Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generating device on a rear surface of the display panel. The sound generating device includes a bobbin, and a protection member on the bobbin.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Patent number: 11929057
    Abstract: A display apparatus includes a display panel configured to include first to eleventh regions, at least one first to third vibration devices respectively at the first to third regions, at least one fourth to eighth vibration devices respectively at the fourth to eighth regions, at least one ninth to eleventh vibration devices respectively at the ninth to eleventh regions, a first partition between the first and third regions, a second partition between the second and third regions, a third partition between the fourth and seventh regions, a fourth partition between the fourth and eighth regions, a fifth partition between the sixth and seventh regions, and a sixth partition between the sixth and eighth regions. A length of one or more among the first and second partitions may differ from a length of one or more among the third to sixth partitions.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, Sungtae Lee, Sungsu Ham, Joongsup Han
  • Patent number: 11902736
    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: July 8, 2022
    Date of Patent: February 13, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sungtae Lee, Teh Hyeon Kim, Yeongrak Choi, Seungwan Ryu, Kwanho Park
  • Patent number: 11895451
    Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth regions, a first partition between the first region and the third region, a second partition between the second region and the third region, a third partition between the fourth region and the sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: February 6, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, Sungtae Lee, Kwangho Kim, Sungsu Ham, Joongsup Han
  • Publication number: 20240015427
    Abstract: A display apparatus is disclosed. The display apparatus includes a display panel configured to display an image and a supporting member at a rear surface of the display panel. The display apparatus also includes a sound generator between the display panel and the supporting member, and at least one vibration member between the display panel and the supporting member.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Sungsu Ham
  • Publication number: 20230412953
    Abstract: An apparatus includes a vibration member, a vibrator at the vibration member, and a connector between the vibration member and the vibrator and accommodating the vibrator. A vehicular apparatus includes an exterior material; an interior material covering the exterior material; and one or more vibration generating devices at one or more of the exterior material, the interior material, and a region between the exterior material and the interior material, wherein the one or more vibration generating devices comprise the apparatus, and wherein one or more of the exterior material and the interior material output a sound based on vibrations of the one or more vibration generating devices.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 21, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Kwangho KIM, KwanHo PARK, YeongRak CHOI, Daeho KIM
  • Publication number: 20230380086
    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: August 2, 2023
    Publication date: November 23, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, SeokHyo CHO
  • Publication number: 20230353934
    Abstract: A panel vibration type sound generating display device is disclosed. The display device includes a display panel for displaying an image; a sound generating actuator connected to the display panel and configured to vibrate the display panel to generate sound; a support structure spaced apart from the display panel with an air gap between the support structure and the display panel; and a baffle part disposed between the support structure and the display panel to surround the air gap.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 2, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, ChangHo OH, KwanHo PARK, Sungtae LEE
  • Patent number: 11805606
    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 11, 2021
    Date of Patent: October 31, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, SeokHyo Cho
  • Patent number: 11805344
    Abstract: A display apparatus is disclosed. The display apparatus includes a display panel configured to display an image and a supporting member at a rear surface of the display panel. The display apparatus also includes a sound generator between the display panel and the supporting member, and at least one vibration member between the display panel and the supporting member.
    Type: Grant
    Filed: December 20, 2020
    Date of Patent: October 31, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Sungsu Ham
  • Publication number: 20230336920
    Abstract: A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Kwangho KIM
  • Publication number: 20230308805
    Abstract: A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.
    Type: Application
    Filed: June 1, 2023
    Publication date: September 28, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Sungsu HAM, YeongRak CHOI, Sungtae LEE, Joongsup HAN
  • Patent number: 11743654
    Abstract: A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: August 29, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim
  • Patent number: 11736858
    Abstract: A panel vibration type sound generating display device is disclosed. The display device includes a display panel for displaying an image; a sound generating actuator connected to the display panel and configured to vibrate the display panel to generate sound; a support structure spaced apart from the display panel with an air gap between the support structure and the display panel; and a baffle part disposed between the support structure and the display panel to surround the air gap.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: August 22, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, ChangHo Oh, KwanHo Park, Sungtae Lee
  • Publication number: 20230254618
    Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth regions, a first partition between the first region and the third region, a second partition between the second region and the third region, a third partition between the fourth region and the sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.
    Type: Application
    Filed: March 27, 2023
    Publication date: August 10, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, Sungtae LEE, Kwangho KIM, Sungsu HAM, Joongsup HAN
  • Patent number: D1015755
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: February 27, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seokjin Im, Seokhyo Cho, Kihyoung Kim, Jeongeon Seong, Soonmin Kwon, Yeongrak Choi, Jaewon Hwang