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).

  • PANEL VIBRATION TYPE SOUND GENERATING DISPLAY DEVICE
    Publication number: 20210235186
    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: April 12, 2021
    Publication date: July 29, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: YeongRak CHOI, ChangHo OH, KwanHo PARK, Sungtae LEE
  • SOUND GENERATING DEVICE, DISPLAY APPARATUS INCLUDING THE SAME, AND AUTOMOTIVE APPARATUS INCLUDING THE SOUND GENERATING DEVICE
    Publication number: 20210211808
    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: March 18, 2021
    Publication date: July 8, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Kwangho KIM
  • Display apparatus with a display area and a non-display area and including a sound generator
    Patent number: 11032509
    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: Grant
    Filed: July 28, 2020
    Date of Patent: June 8, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, SeYoung Kim, KwanHo Park, YeongRak Choi, Kwangho Kim, Sungsu Ham
  • Panel vibration type sound generating display device
    Patent number: 11019425
    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: November 26, 2019
    Date of Patent: May 25, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, ChangHo Oh, KwanHo Park, Sungtae Lee
  • Display apparatus
    Patent number: 11019430
    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: September 18, 2019
    Date of Patent: May 25, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungsu Ham, YeongRak Choi, Sungtae Lee, Joongsup Han
  • DISPLAY APPARATUS
    Publication number: 20210149440
    Abstract: A display apparatus includes: a display panel configured to display an image, at least one supporting member on a rear surface of the display panel, the at least one supporting member defining a groove, at least one sound generation device adjacent to the display panel, and a wiring, accommodated into the groove, configured to transfer a signal to the at least one sound generation device.
    Type: Application
    Filed: December 24, 2020
    Publication date: May 20, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI
  • DISPLAY APPARATUS
    Publication number: 20210127190
    Abstract: A display apparatus includes: a display panel configured to display an image, one or more sound generation devices configured to vibrate the display panel to generate sound, a supporting member configured to support the display panel, a partition between the display panel and the supporting member, the partition including: a first side in a horizontal direction, and a second side in a vertical direction, and one or more first pad parts on the first side.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 29, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Taecheol KANG, Moonyoung SHIN, YeongRak CHOI, Sungsu HAM
  • Sound generating device, display apparatus including the same, and automotive apparatus including the sound generating device
    Patent number: 10993036
    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: December 10, 2019
    Date of Patent: April 27, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim
  • Display apparatus
    Patent number: 10986430
    Abstract: Disclosed is a display apparatus that may include a display panel configured to display an image by emitting light, a supporting member disposed on a rear surface of the display panel, a sound generating device disposed between the supporting member and the display panel, and a plurality of partitions at a predetermined interval from the sound generating device, wherein the partitions have different compression force deflections.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: April 20, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, SeYoung Kim, YeongRak Choi, KwangHo Kim
  • DISPLAY APPARATUS
    Publication number: 20210112324
    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: December 20, 2020
    Publication date: April 15, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Sungsu Ham
  • Display apparatus
    Patent number: 10972819
    Abstract: A display apparatus including a display panel configured to display an image is disclosed. The display apparatus includes a supporting member on a rear surface of the display panel. The supporting member includes a groove. The display apparatus also includes a sound generator between the display panel and the supporting member, and configured to provide a vibration. The display apparatus further includes a vibration transfer member between the display panel and the sound generator, and configured to transfer the vibration of the sound generator to the display panel to generate sound.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: April 6, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Kwangho Kim, KwanHo Park, YeongRak Choi, Sungtae Lee
  • Display apparatus
    Patent number: 10966009
    Abstract: A display apparatus includes: a display panel configured to display an image, a supporting member on a rear surface of the display panel, at least one sound generation device adjacent to the display panel, a wiring configured to transfer a signal to the at least one sound generation device, and a supporting plate on the rear surface of the display panel, the supporting plate being under the at least one sound generation device and the wiring.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: March 30, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi
  • Display apparatus
    Patent number: 10945065
    Abstract: Disclosed is a display apparatus including a display panel configured to display an image by emitting light, a rear surface structure configured to surround lateral and rear surfaces of the display panel, a vibration generating device connected with the rear surface structure and configured to vibrate the display panel, a rear sound emitting portion between the display panel and the rear surface structure, a rear sound guide between the display panel and the rear surface structure to surround the vibration generating device in a spiral shape and configured to connect with the rear sound emitting portion.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 9, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Hogeol Lim
  • Display apparatus
    Patent number: 10928851
    Abstract: A display apparatus includes: a display panel configured to display an image, the display panel including first, second, and third areas, a sound-generating device in at least one among the first, second, and third areas on a rear surface of the display panel, and at least one partition for dividing the first, second, and third areas from each other, the at least one partition including a first side and a second side at an angle to the first side, the second side including at least one member perpendicular to the second side, wherein: the first area is a left area of the display panel, the second area is a right area of the display panel, the third area is a central area of the display panel, and the member is in the third area.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 23, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, Hogeol Lim, Daeho Kim, Sungsu Ham
  • Display apparatus
    Patent number: 10921852
    Abstract: A display apparatus includes: a display panel configured to display an image, one or more sound generation devices configured to vibrate the display panel to generate sound, a supporting member configured to support the display panel, a partition between the display panel and the supporting member, the partition including: a first side in a horizontal direction, and a second side in a vertical direction, one or more first pad parts on the first side of the partition, and one or more second pad parts on the second side of the partition, wherein a first of the one or more first pad parts includes a different material from a material of a first of the one or more second pad parts.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: February 16, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, Sungtae Lee, Hogeol Lim, Daeho Kim, Hongseok Jung
  • Display apparatus
    Patent number: 10915138
    Abstract: A display apparatus includes: a display panel configured to display an image, at least one supporting member on a rear surface of the display panel, the at least one supporting member defining a groove, at least one sound generation device adjacent to the display panel, and a wiring, accommodated into the groove, configured to transfer a signal to the at least one sound generation device.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: February 9, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi
  • Display apparatus
    Patent number: 10904651
    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: July 24, 2018
    Date of Patent: January 26, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Sungsu Ham
  • Display apparatus
    Patent number: 10904670
    Abstract: A display apparatus capable of realizing uniform sound wave and improved sound quality is provided. The display apparatus may include a display panel for displaying an image, a supporting member for supporting a rear surface of the display panel, at least one sound generating device disposed between the supporting member and the display panel, at least one partition provided at a predetermined interval from at least one sound generating device, and an adhesion member disposed in the periphery of the display panel.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: January 26, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi
  • Display apparatus
    Patent number: 10893346
    Abstract: A display apparatus includes: a display panel configured to display an image, one or more sound generation devices configured to vibrate the display panel to generate sound, a supporting member configured to support the display panel, a partition between the display panel and the supporting member, the partition including: a first side in a horizontal direction, and a second side in a vertical direction, and one or more first pad parts on the first side.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: January 12, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Taecheol Kang, Moonyoung Shin, YeongRak Choi, Sungsu Ham
  • Display apparatus
    Patent number: 10877514
    Abstract: A display apparatus includes: a display module including a display panel configured to display an electronic image, a supporting cover configured to cover a rear surface of the display module, a cover supporting member connected to a rear edge of the display panel and configured to support the supporting cover, and a sound-generating device supported by the supporting cover and configured to: output sound to a front direction of the display panel by directly vibrating the display panel, and directly contact and directly vibrate first and second rear edge portions of the display panel, the first and second rear edge portions being parallel to each other.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: December 29, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi