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).
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Publication number: 20220360907Abstract: 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: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Applicant: 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
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Patent number: 11460960Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.Type: GrantFiled: December 11, 2019Date of Patent: October 4, 2022Assignee: LG Display Co., Ltd.Inventors: Chi-Wan Kim, Tae-Heon Kim, Sung-Eui Shin, Yong-Woo Lee, Kyung-Yeol Ryu, Yu-Seon Kho, Yong-Gyoon Jang
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Patent number: 11462675Abstract: 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: GrantFiled: May 28, 2020Date of Patent: October 4, 2022Assignees: LG Display Co., Ltd., Korea University Research and Business FoundationInventors: Taeheon Kim, Sahn Nahm, YongGyoon Jang, Jonghyun Kim, Ku-Tak Lee, Chiwan Kim, Sung-Eui Shin, YongWoo Lee, Seok-June Chae
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Publication number: 20220279259Abstract: 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: ApplicationFiled: May 18, 2022Publication date: September 1, 2022Applicant: LG Display Co., Ltd.Inventors: Taeheon KIM, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
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Patent number: 11412331Abstract: 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: GrantFiled: February 5, 2021Date of Patent: August 9, 2022Assignee: 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
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Patent number: 11368771Abstract: 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: GrantFiled: February 16, 2021Date of Patent: June 21, 2022Assignee: LG Display Co., Ltd.Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
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Publication number: 20220182766Abstract: 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: ApplicationFiled: February 22, 2022Publication date: June 9, 2022Applicant: LG Display Co., Ltd.Inventors: Sung Eui SHIN, Taeheon KIM, Kyungyeol RYU, YongGyoon JANG, Chiwan KIM, YongWoo LEE, YuSeon KHO
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Patent number: 11297439Abstract: 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: GrantFiled: September 4, 2020Date of Patent: April 5, 2022Assignee: LG Display Co., Ltd.Inventors: Sung Eui Shin, Taeheon Kim, Kyungyeol Ryu, YongGyoon Jang, Chiwan Kim, YongWoo Lee, YuSeon Kho
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Patent number: 11275921Abstract: 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: GrantFiled: July 28, 2020Date of Patent: March 15, 2022Assignee: LG Display Co., Ltd.Inventors: YuSeon Kho, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu
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Publication number: 20210400396Abstract: A display apparatus includes a display panel including configured to display an image and a sound generating device on a rear surface of the display panel, the sound generating device being configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a second structure over or under the first structure, the second structure including a first part having a piezoelectric characteristic and a second part between adjacent first parts to have flexibility.Type: ApplicationFiled: September 1, 2021Publication date: December 23, 2021Applicant: LG Display Co., Ltd.Inventors: YongGyoon JANG, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol RYU, YuSeon KHO
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Publication number: 20210325968Abstract: 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: ApplicationFiled: June 25, 2021Publication date: October 21, 2021Applicant: LG Display Co., Ltd.Inventors: Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
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Patent number: 11140492Abstract: A display apparatus includes a display panel including configured to display an image and a sound generating device on a rear surface of the display panel, the sound generating device being configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a second structure over or under the first structure, the second structure including a first part having a piezoelectric characteristic and a second part between adjacent first parts to have flexibility.Type: GrantFiled: October 16, 2019Date of Patent: October 5, 2021Assignee: LG Display Co., Ltd.Inventors: YongGyoon Jang, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
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Patent number: 11073914Abstract: 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: GrantFiled: December 19, 2019Date of Patent: July 27, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
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Publication number: 20210200265Abstract: 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: ApplicationFiled: December 22, 2020Publication date: July 1, 2021Applicant: LG Display Co., Ltd.Inventors: Sungwook KO, YongWoo LEE, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN
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Publication number: 20210176567Abstract: 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: ApplicationFiled: February 19, 2021Publication date: June 10, 2021Applicant: LG Display Co., Ltd.Inventors: YongWoo LEE, Yong-Su HAM, Taeheon Kim, Sung-Eui SHIN
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Publication number: 20210168479Abstract: 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: ApplicationFiled: February 16, 2021Publication date: June 3, 2021Applicant: LG Display Co., Ltd.Inventors: Taeheon KIM, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
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Publication number: 20210160622Abstract: 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: ApplicationFiled: February 5, 2021Publication date: May 27, 2021Applicant: 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
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Patent number: 11006223Abstract: 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: GrantFiled: April 22, 2020Date of Patent: May 11, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
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Publication number: 20210136314Abstract: 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: ApplicationFiled: January 11, 2021Publication date: May 6, 2021Applicant: LG Display Co., Ltd.Inventors: Sung-Eui Shin, Chiwan Kim, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
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Patent number: 10972820Abstract: 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: GrantFiled: October 24, 2019Date of Patent: April 6, 2021Assignee: LG Display Co., Ltd.Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, Yongwoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang