Patents by Inventor Minho Sohn

Minho Sohn 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: 12250518
    Abstract: A vibration apparatus may include a vibration generator including a piezoelectric material and a sensor portion configured at the vibration generator, and thus, may correct or compensate for an electrical characteristic change of the vibration generator and may correct or compensate for a vibration characteristic of the vibration generator. An apparatus including the vibration apparatus is also disclosed.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: March 11, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Taehyung Kim, MinHo Sohn, JunSeok Oh, Jeonggoo Kang, SeulKi Nam
  • Publication number: 20250053295
    Abstract: A touch display device comprising a display panel including a plurality of subpixels, a driving circuit configured to drive the display panel, and a timing controller configured to control a normal mode that displays an image, or a touch mode that displays an image and a touch pattern depending on a touch state of a stylus.
    Type: Application
    Filed: July 30, 2024
    Publication date: February 13, 2025
    Inventors: JaeHo LEE, MinHo SOHN, Jiseok YANG, Kyuhwan LEE
  • Patent number: 12177629
    Abstract: An apparatus may include a passive vibration member and an active vibration member connected to the passive vibration member and including first and second vibration portions arranged in parallel with each other. The apparatus may further include a driving apparatus configured to apply a first driving signal to the first vibration portion and a second driving signal to the second vibration portion, based on an input signal, to vibrate the first vibration portion and the second vibration portion.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: December 24, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Taehyung Kim, GyungBo Ha, SeulKi Nam, Minjung Kim, MinHo Sohn
  • Patent number: 12166913
    Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generating device configured to vibrate the display panel, an adhesive member connected between a rear surface the display panel and the sound generating device, and a structure configured to support the sound generating device, wherein the structure is connected to at least a portion of the sound generating device and a portion of the rear surface the display panel.
    Type: Grant
    Filed: October 31, 2023
    Date of Patent: December 10, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Seon Man Kim, MinHo Sohn, JunSeok Oh, Sung-Jin Kang, Kyounghwan Kim, Jeonggoo Kang, JaiHyuk Lee
  • Publication number: 20240381035
    Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.
    Type: Application
    Filed: July 24, 2024
    Publication date: November 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungwook KO, Kyungyeol RYU, Taehyung KIM, MinHo SOHN, SeulKi NAM, Jeonggoo KANG, JunSeok OH, SeungRyull PARK, Chiwan KIM, GyungBo HA, Uihyeon JEONG
  • Patent number: 12101600
    Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: September 24, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Sungwook Ko, Kyungyeol Ryu, Taehyung Kim, MinHo Sohn, SeulKi Nam, Jeonggoo Kang, JunSeok Oh, SeungRyull Park, Chiwan Kim, GyungBo Ha, Uihyeon Jeong
  • 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
  • Publication number: 20240264676
    Abstract: A vibration apparatus according to an aspect of the present disclosure includes a vibration generating part, and a vibration transfer part coupled to the vibration generating part, the vibration transfer part including a plurality of vibration transfer members spaced apart from one another. Each of the plurality of vibration transfer members is configured to convert an in-plane vibration mode of the vibration generating part into an out-plane vibration mode.
    Type: Application
    Filed: January 25, 2024
    Publication date: August 8, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: MinHo SOHN, Seunghyeon KIM, Saseong MOON, SunBok SONG
  • Publication number: 20240256045
    Abstract: A vibration apparatus includes a vibration generating part and a press structure configured at a rear surface of the vibration generating part and configured to apply pressure to the vibration generating part. A display apparatus and a vehicular apparatus having the vibration apparatus are provided. The vibration apparatus may provide an ultrasonic vibration or an ultrasonic haptic to a user when a user touch is applied thereto.
    Type: Application
    Filed: January 25, 2024
    Publication date: August 1, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Saseong MOON, SunBok SONG, MinHo SOHN
  • Patent number: 12015897
    Abstract: A display apparatus includes a display module including a display panel configured to display an image and a sound generating module on a rear surface of the display panel, the sound generating module includes a vibration generating device, a circuit board on a lower surface of the vibration generating device, a first adhesive member between the circuit board and the vibration generating device, and a second adhesive member between the vibration generating device and the display panel, an elastic modulus of the second adhesive member differing from an elastic modulus of the first adhesive member.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: June 18, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Kyounghwan Kim, MinHo Sohn, KiDuk Kim, Sung-Jin Kang, Jeonggoo Kang, JaiHyuk Lee
  • Publication number: 20240064222
    Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generating device configured to vibrate the display panel, an adhesive member connected between a rear surface the display panel and the sound generating device, and a structure configured to support the sound generating device, wherein the structure is connected to at least a portion of the sound generating device and a portion of the rear surface the display panel.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Seon Man KIM, MinHo SOHN, JunSeok OH, Sung-Jin KANG, Kyounghwan KIM, Jeonggoo KANG, JaiHyuk LEE
  • Patent number: 11843711
    Abstract: A display apparatus includes a display module having a display panel configured to display an image; a sound generating device on a rear surface of the display panel and including a first side and a second side perpendicular to the first side and an adhesive member in a partial region of the sound generating device, the adhesive member having a size smaller than one of the first side and the second side of the sound generating device.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: December 12, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Seon Man Kim, MinHo Sohn, JunSeok Oh, Sung-Jin Kang, Kyounghwan Kim, Jeonggoo Kang, JaiHyuk Lee
  • Publication number: 20230370036
    Abstract: A vibration generating apparatus comprises a vibration apparatus and a vibration driving circuit including a driving signal generator configured to supply a driving signal to the vibration apparatus, wherein the driving signal generator is configured to adjust a frequency-based gain compensation value based on at least one of a circuit internal temperature value of the vibration driving circuit and a temperature prediction value of the vibration apparatus corresponding to a current value of an nth driving signal, compensate for a frequency-based gain value based on the adjusted frequency-based gain compensation value, compensate for an (n+1)th driving signal based on the compensated frequency-based gain value, and supply the compensated (n+1)th driving signal to the vibration apparatus.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: JunSeok OH, MinHo SOHN
  • Patent number: 11750165
    Abstract: A vibration generating apparatus comprises a vibration apparatus and a vibration driving circuit including a driving signal generator configured to supply a driving signal to the vibration apparatus, wherein the driving signal generator is configured to adjust a frequency-based gain compensation value based on at least one of a circuit internal temperature value of the vibration driving circuit and a temperature prediction value of the vibration apparatus corresponding to a current value of an nth driving signal, compensate for a frequency-based gain value based on the adjusted frequency-based gain compensation value, compensate for an (n+1)th driving signal based on the compensated frequency-based gain value, and supply the compensated (n+1)th driving signal to the vibration apparatus.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: September 5, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JunSeok Oh, MinHo Sohn
  • Publication number: 20230232163
    Abstract: A display apparatus includes a display module including a display panel configured to display an image and a sound generating module on a rear surface of the display panel, the sound generating module includes a vibration generating device, a circuit board on a lower surface of the vibration generating device, a first adhesive member between the circuit board and the vibration generating device, and a second adhesive member between the vibration generating device and the display panel, an elastic modulus of the second adhesive member differing from an elastic modulus of the first adhesive member.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Applicant: LG Display Co., Ltd
    Inventors: Kyounghwan KIM, MinHo SOHN, KiDuk KIM, Sung-Jin KANG, Jeonggoo KANG, JaiHyuk LEE
  • Publication number: 20230217188
    Abstract: An apparatus may include a passive vibration member and an active vibration member connected to the passive vibration member and including first and second vibration portions arranged in parallel with each other. The apparatus may further include a driving apparatus configured to apply a first driving signal to the first vibration portion and a second driving signal to the second vibration portion, based on an input signal, to vibrate the first vibration portion and the second vibration portion.
    Type: Application
    Filed: December 23, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Taehyung Kim, GyungBo Ha, SeulKi Nam, Minjung Kim, MinHo Sohn
  • Patent number: 11647336
    Abstract: A display apparatus includes a display module including a display panel configured to display an image and a sound generating module on a rear surface of the display panel, the sound generating module includes a vibration generating device, a circuit board on a lower surface of the vibration generating device, a first adhesive member between the circuit board and the vibration generating device, and a second adhesive member between the vibration generating device and the display panel, an elastic modulus of the second adhesive member differing from an elastic modulus of the first adhesive member.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: May 9, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Kyounghwan Kim, MinHo Sohn, KiDuk Kim, Sung-Jin Kang, Jeonggoo Kang, JaiHyuk Lee
  • Publication number: 20230035018
    Abstract: A vibration apparatus may include a vibration generator including a piezoelectric material and a sensor portion configured at the vibration generator, and thus, may correct or compensate for an electrical characteristic change of the vibration generator and may correct or compensate for a vibration characteristic of the vibration generator. An apparatus including the vibration apparatus is also disclosed.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 2, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Taehyung KIM, MinHo SOHN, JunSeok OH, Jeonggoo KANG, SeulKi NAM
  • Publication number: 20230019257
    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: Application
    Filed: June 28, 2022
    Publication date: January 19, 2023
    Applicant: 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
  • Publication number: 20230007404
    Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.
    Type: Application
    Filed: June 21, 2022
    Publication date: January 5, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Sungwook KO, Kyungyeol RYU, Taehyung KIM, MinHo SOHN, SeulKi NAM, Jeonggoo KANG, JunSeok OH, SeungRyull PARK, Chiwan KIM, GyungBo HA, Uihyeon JEONG