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: 11412322
    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: February 28, 2020
    Date of Patent: August 9, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, Teh Hyeon Kim, YeongRak Choi, Seungwan Ryu, KwanHo Park
  • Publication number: 20220210929
    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 11, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, SeokHyo CHO
  • Patent number: 11375316
    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: March 18, 2021
    Date of Patent: June 28, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim
  • Patent number: 11363381
    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: Grant
    Filed: April 20, 2021
    Date of Patent: June 14, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sungsu Ham, YeongRak Choi, Sungtae Lee, Joongsup Han
  • Publication number: 20220150629
    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: Application
    Filed: January 21, 2022
    Publication date: May 12, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, KwanHo PARK, Sungtae LEE
  • Publication number: 20220070563
    Abstract: An apparatus comprises a display panel configured to display an image, a vibration apparatus disposed at a rear surface of the display panel and configured to vibrate the display panel, a supporting member at the rear surface of the display panel, and a pad member between the vibration apparatus and the supporting member.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 3, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Yongjoon KIM, YeongRak CHOI, Joongsup HAN, Sungtae LEE
  • Patent number: 11265655
    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: December 4, 2019
    Date of Patent: March 1, 2022
    Assignee: LG Display Co., Ltd
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Publication number: 20210409854
    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: June 28, 2021
    Publication date: December 30, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, Sungtae LEE, Kwangho KIM, Sungsu HAM, Joongsup HAN
  • Publication number: 20210407488
    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: Application
    Filed: June 28, 2021
    Publication date: December 30, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, Sungtae LEE, Sungsu HAM, Joongsup HAN
  • Patent number: 11206481
    Abstract: A display apparatus includes a display panel displaying an image, a rear cover supporting the display panel, and a vibration generating device vibrating the display panel. The vibration generating device includes a sound generating module spaced apart from a rear surface of the display panel. Accordingly, shaking of the display panel is prevented, and heat is prevented from being transferred to the display panel.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: December 21, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungsu Ham, YeongRak Choi, Sungtae Lee, Daeho Kim
  • Patent number: 11200021
    Abstract: A display apparatus includes a display panel configured to display an image, a supporting member configured to support the display panel, at least one sound generating device in the display panel, to the at least one sound generating device being configured to vibrate the display panel to generate sound, and a connection member at a lower portion of the supporting member to correspond to a center of the at least one sound generating device.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: December 14, 2021
    Assignee: LG Display Co., Ltd
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim
  • Publication number: 20210352390
    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: Application
    Filed: May 10, 2021
    Publication date: November 11, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Sungsu HAM, Joongsup HAN
  • Patent number: 11153688
    Abstract: A display apparatus includes: a display panel configured to display an image; a supporting member on a rear surface of the display panel, wherein the supporting member is configured to support the display panel; at least one sound generating device on the rear surface of the display panel, wherein the at least one sound generating device is configured to vibrate the display panel to generate sound; and a partition between the rear surface of the display panel and an upper surface of the supporting member, the partition including a first material and a second material.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Yeongrak Choi, Daeho Kim
  • Patent number: 11140482
    Abstract: Provided are an actuator fixing device and a panel vibration type sound-generating display device including the same. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, and a plurality of sound-generating actuators supported by the cover bottom, the sound-generating actuators being configured to vibrate the display panel to generate sound, at least two of the sound-generating actuators being adjacent to each other.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: October 5, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim, MyungJin Bae
  • Patent number: 11132018
    Abstract: A display apparatus includes a display panel configured to display an image by emitting light, a supporting member on a rear surface of the display panel, and a sound generator between the display panel and the supporting member. The sound generator includes a magnetic circuit unit and a voice coil unit on the rear surface of the display panel, and the magnetic circuit unit and the voice coil unit are configured to vibrate the display panel to generate sound.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: September 28, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, YeongRak Choi, Sungsu Ham
  • Patent number: 11131873
    Abstract: A display apparatus includes: a display panel configured to display an image, a sound generation device configured to vibrate the display panel to generate sound, a supporting member on a rear surface of the display panel, and a partition surrounding the sound generation device, the partition including an edge having a partition edge contour shape that differs from a panel edge contour shape of the display panel.
    Type: Grant
    Filed: May 10, 2020
    Date of Patent: September 28, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: HyunSu Shin, Yoonmo Nam, YeongRak Choi, Sungsu Ham
  • Patent number: 11134342
    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: June 18, 2020
    Date of Patent: September 28, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Publication number: 20210266670
    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: Application
    Filed: March 19, 2021
    Publication date: August 26, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Publication number: 20210250542
    Abstract: A display apparatus includes: a display panel including: a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 12, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, SeYoung KIM, KwanHo PARK, YeongRak CHOI, Kwangho KIM, Sungsu HAM
  • Publication number: 20210243529
    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: April 20, 2021
    Publication date: August 5, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sungsu HAM, YeongRak CHOI, Sungtae LEE, Joongsup HAN