Patents by Inventor Sung-Eui SHIN

Sung-Eui SHIN 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: 11073914
    Abstract: The present disclosure relates to a vibration generation device, a display apparatus including the vibration generation device, and a vehicle including the vibration generation device. A vibration generation device includes a piezoelectric ceramic part having a certain interval, a piezoelectric material layer between the piezoelectric ceramic parts, and an electrode part configured to provide electric field to one or more of the piezoelectric ceramic part and the piezoelectric material layer.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 27, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
  • Publication number: 20210200265
    Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.
    Type: Application
    Filed: December 22, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sungwook KO, YongWoo LEE, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN
  • Publication number: 20210176567
    Abstract: A flexible vibration module is disclosed. The flexible vibration module includes a piezoelectric composite layer, including: a plurality of piezoelectric portions each having a piezoelectric characteristic, where at least two of the plurality of piezoelectric portions have different sizes; and a flexible portion between the plurality of piezoelectric portions.
    Type: Application
    Filed: February 19, 2021
    Publication date: June 10, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: YongWoo LEE, Yong-Su HAM, Taeheon Kim, Sung-Eui SHIN
  • Publication number: 20210168479
    Abstract: A display apparatus includes a display panel configured to display an image and a sound generating device on a rear surface of the display panel. The sound generating device is configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a first passivation layer on one side of the first structure, at least a portion of the first passivation layer having a non-flat shape.
    Type: Application
    Filed: February 16, 2021
    Publication date: June 3, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Taeheon KIM, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
  • Publication number: 20210160622
    Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: YongWoo LEE, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG, Yong-Su HAM, Sungwook KO
  • Patent number: 11006223
    Abstract: A vibration generating device includes an electroactive layer having a first surface and a second surface opposite to the first surface, and including an unevenness structure; and a first electrode and a second electrode on at least one of the first surface and the second surface of the electroactive layer, wherein one or more of the first electrode and the second electrode covers an entire surface of at least one or more of the first surface and the second surface of the electroactive layer including the unevenness structure.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 11, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
  • Publication number: 20210136314
    Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.
    Type: Application
    Filed: January 11, 2021
    Publication date: May 6, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Sung-Eui Shin, Chiwan Kim, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
  • Patent number: 10972820
    Abstract: A display apparatus includes a display panel configured to display an image and a sound generating device on a rear surface of the display panel. The sound generating device is configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a first passivation layer on one side of the first structure, at least a portion of the first passivation layer having a non-flat shape.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: April 6, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, Yongwoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
  • Patent number: 10959025
    Abstract: A flexible vibration module is disclosed. The flexible vibration module includes a piezoelectric composite layer, including: a plurality of piezoelectric portions each having a piezoelectric characteristic, where at least two of the plurality of piezoelectric portions have different sizes; and a flexible portion between the plurality of piezoelectric portions.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: March 23, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: YongWoo Lee, Yong-Su Ham, Taeheon Kim, Sung-Eui Shin
  • Patent number: 10951992
    Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 16, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: YongWoo Lee, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang, Yong-Su Ham, Sungwook Ko
  • Patent number: 10942594
    Abstract: A touch panel includes a plurality of first electrodes which extends in a first direction. The touch panel further includes an electroactive layer which is disposed on the plurality of first electrodes and is formed of an electroactive material. The touch panel further includes a plurality of second electrodes which is disposed on the electroactive layer and extends in a second direction which is different from the first direction. The touch panel further includes an insulating layer which is disposed to cover the electroactive layer and the plurality of second electrodes. The touch panel further includes a plurality of third electrodes which is disposed on the insulating layer and extends in the second direction.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: March 9, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
  • Patent number: 10924704
    Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: February 16, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Eui Shin, Chiwan Kim, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
  • Publication number: 20200404427
    Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 24, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Sung Eui SHIN, Taeheon KIM, Kyungyeol RYU, YongGyoon JANG, Chiwan KIM, YongWoo LEE, YuSeon KHO
  • Patent number: 10860130
    Abstract: A display device to an embodiment of the present disclosure comprises a display panel including an active area having a bending area, a first touch sensitive element which overlaps the active area of the display panel and includes a first electroactive layer, a bending member which is disposed below the display panel and overlaps at least the bending area, and a second touch sensitive element including a second electroactive layer which covers the bending member. Therefore, in the bending area where the stress due to the bending is concentrated, the lifespan and the driving stability of the first touch sensitive element and the second touch sensitive element may be improved.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: December 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YuSeon Kho, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu
  • Publication number: 20200381613
    Abstract: A piezoelectric element comprising a compound represented by Formula 1, a piezoelectric device including the piezoelectric element, a vibration module including the piezoelectric device, and a display apparatus including the piezoelectric device are provided, where (1-x)(LizNa0.5-zK0.5)(Nb1-ySby)O3.xCaZrO3??[Formula 1] where x, y, and z have a range of 0.001?x?0.2, a range of 0?y?0.5, and a range of 0?z?0.2, respectively.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Applicants: LG Display Co., Ltd., Korea University Research and Business Foundation
    Inventors: Taeheon KIM, Sahn Nahm, YongGyoon JANG, Jonghyun KIM, Ku-Tak LEE, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Seok-June Chae
  • Publication number: 20200356746
    Abstract: A piezoelectric panel speaker and an electronic apparatus including the same are disclosed. The piezoelectric panel speaker may include a piezoelectric panel including at least one hole and configured to vibrate, and a fingerprint sensor accommodated into the one hole and configured to sense biometric information.
    Type: Application
    Filed: July 28, 2020
    Publication date: November 12, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: YuSeon KHO, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol RYU
  • Patent number: 10805736
    Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Eui Shin, Taeheon Kim, Kyungyeol Ryu, YongGyoon Jang, Chiwan Kim, YongWoo Lee, YuSeon Kho
  • Patent number: 10795470
    Abstract: Provided are a touch sensitive device and a display device including the touch sensitive device. The touch sensitive device according to an embodiment of the present disclosure includes an electro-active layer formed of polyphosphazene substituted with an aryloxy group at a phosphorus atom in the backbone of the polyphosphazene, and electrodes disposed on at least one surface of the electro-active layer. The touch sensitive device according to an embodiment of the present disclosure has an excellent intensity of vibrations due to characteristics of the polyphosphazene including the substituted aryloxy group and is flame retardant and non-toxic.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: October 6, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyungyeol Ryu, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, YuSeon Kho
  • Publication number: 20200314556
    Abstract: A flexible vibration module is disclosed. The flexible vibration module includes a piezoelectric composite layer, including: a plurality of piezoelectric portions each having a piezoelectric characteristic, where at least two of the plurality of piezoelectric portions have different sizes; and a flexible portion between the plurality of piezoelectric portions.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 1, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: YongWoo LEE, Yong-Su HAM, Taeheon Kim, Sung-Eui SHIN
  • Patent number: 10762320
    Abstract: A piezoelectric panel speaker and an electronic apparatus including the same are disclosed. The piezoelectric panel speaker may include a piezoelectric panel including at least one hole and configured to vibrate, and a fingerprint sensor accommodated into the one hole and configured to sense biometric information.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: September 1, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: YuSeon Kho, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu