Patents by Inventor Yonggyoon JANG
Yonggyoon JANG 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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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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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: 20210400394Abstract: A display apparatus includes: a display panel configured to display an image, and at least one vibration module on a rear surface of the display panel, the at least one vibration module including a piezoelectric composite layer including a plurality of sub-modules configured to vibrate the display panel, each of the plurality of sub-modules including: a plurality of first portions including a piezoelectric characteristic, and a plurality of second portions having flexibility, each of the plurality of second portions being between a respective pair of the plurality first portions, wherein the plurality of first portions in the respective sub-modules are arranged in a same direction or are partially arranged in different directions.Type: ApplicationFiled: August 31, 2021Publication date: December 23, 2021Applicant: LG Display Co., Ltd.Inventors: Chiwan KIM, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
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Patent number: 11166108Abstract: A display apparatus includes: a display panel configured to display an image, and at least one vibration module on a rear surface of the display panel, the at least one vibration module including a piezoelectric composite layer including a plurality of sub-modules configured to vibrate the display panel, each of the plurality of sub-modules including: a plurality of first portions including a piezoelectric characteristic, and a plurality of second portions having flexibility, each of the plurality of second portions being between a respective pair of the plurality first portions, wherein the plurality of first portions in the respective sub-modules are arranged in a same direction or are partially arranged in different directions.Type: GrantFiled: June 20, 2019Date of Patent: November 2, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
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Publication number: 20210337292Abstract: Display panel and display apparatus including the same. A display panel includes a first substrate including a display portion configured to display an image, a second substrate attached to the first substrate by an adhesive member, and a vibration generating module within the adhesive member to overlap the display portion. The vibration generating module is surrounded by the second substrate and the adhesive member.Type: ApplicationFiled: July 8, 2021Publication date: October 28, 2021Applicant: LG Display Co., Ltd.Inventors: YongGyoon JANG, Yong-Su HAM, YongWoo LEE, Kyungyeol RYU
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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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Publication number: 20210306758Abstract: A display apparatus includes: a display panel configured to be rolled or unrolled, at least one vibration module on a rear surface of the display panel, the at least one vibration module being configured to: be rolled or unrolled with the display panel, and vibrate the display panel, and a partition on the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module, wherein the at least one vibration module includes: a plurality of first portions having a piezoelectric property, and a plurality of second portions between the plurality of first portions, the plurality of second portions having flexibility.Type: ApplicationFiled: June 11, 2021Publication date: September 30, 2021Applicant: LG Display Co. Ltd.Inventors: Chiwan KIM, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
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Patent number: 11095963Abstract: Display panel and display apparatus including the same. A display panel includes a first substrate including a display portion configured to display an image, a second substrate attached to the first substrate by an adhesive member, and a vibration generating module within the adhesive member to overlap the display portion. The vibration generating module is surrounded by the second substrate and the adhesive member.Type: GrantFiled: June 24, 2019Date of Patent: August 17, 2021Assignee: LG Display Co., Ltd.Inventors: YongGyoon Jang, Yong-Su Ham, YongWoo Lee, Kyungyeol Ryu
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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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Patent number: 11064300Abstract: A display apparatus includes: a display panel configured to be rolled or unrolled, at least one vibration module on a rear surface of the display panel, the at least one vibration module being configured to: be rolled or unrolled with the display panel, and vibrate the display panel, and a partition on the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module, wherein the at least one vibration module includes: a plurality of first portions having a piezoelectric property, and a plurality of second portions between the plurality of first portions, the plurality of second portions having flexibility.Type: GrantFiled: June 5, 2019Date of Patent: July 13, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
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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: 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
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Patent number: 10951992Abstract: 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: December 20, 2019Date of Patent: March 16, 2021Assignee: 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