Patents by Inventor Yong-Su Ham
Yong-Su Ham 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: 20240098405Abstract: A vibration apparatus comprises a lower vibration structure, an upper vibration structure on the lower vibration structure, and an adhesive member between the lower vibration structure and the upper vibration structure. The lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies.Type: ApplicationFiled: November 20, 2023Publication date: March 21, 2024Applicant: LG Display Co., Ltd.Inventors: Yong-Su HAM, YongWoo LEE, YuSeon KHO
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Patent number: 11930320Abstract: 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: GrantFiled: November 1, 2022Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: YongWoo Lee, Yong-Su Ham, Taeheon Kim, Sung-Eui Shin
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Publication number: 20240064472Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at a vibration region including a bendable region and a peripheral portion connected to the bendable region; and a plurality of second portions between the plurality of first portions, wherein two or more second portions at the bendable region among the plurality of second portions have a cross-sectional shape that differs from a cross-sectional shape of another second portion disposed at the peripheral portion among the plurality of second portions.Type: ApplicationFiled: November 1, 2023Publication date: February 22, 2024Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Yong-Su HAM, YongWoo LEE
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Patent number: 11910143Abstract: 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: February 2, 2023Date of Patent: February 20, 2024Assignee: LG DISPLAY CO., LTD.Inventors: YongGyoon Jang, Yong-Su Ham, YongWoo Lee, Kyungyeol Ryu
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Patent number: 11882398Abstract: A vibration apparatus comprises a lower vibration structure, an upper vibration structure on the lower vibration structure, and an adhesive member between the lower vibration structure and the upper vibration structure. The lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies.Type: GrantFiled: November 19, 2021Date of Patent: January 23, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Yong-Su Ham, YongWoo Lee, YuSeon Kho
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Publication number: 20240019936Abstract: A display apparatus includes a display panel configured to display an image and a vibration generating device configured to vibrate the display panel. The vibration generating device includes a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions disposed between the plurality of first portions to have flexibility.Type: ApplicationFiled: July 24, 2023Publication date: January 18, 2024Applicant: LG Display Co., Ltd.Inventor: Yong-Su HAM
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Publication number: 20230419718Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Yong-Su HAM, YongWoo LEE
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Patent number: 11843914Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at each of first to third regions, and a plurality of second portions between the plurality of first portions, at each of the first to third regions, wherein two or more second portions, at any one region, among the first to third regions, have a cross-sectional shape that differs from a cross-sectional shape of a second portion disposed at each of the other regions, among the first to third regions.Type: GrantFiled: December 3, 2021Date of Patent: December 12, 2023Assignee: LG DISPLAY CO., LTD.Inventors: YuSeon Kho, Yong-Su Ham, YongWoo Lee
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Publication number: 20230395054Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.Type: ApplicationFiled: August 17, 2023Publication date: December 7, 2023Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Yong-Su HAM, YongWoo LEE
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Publication number: 20230336922Abstract: 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: June 23, 2023Publication date: October 19, 2023Applicant: 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: 11790686Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.Type: GrantFiled: December 8, 2020Date of Patent: October 17, 2023Assignee: LG DISPLAY CO., LTD.Inventors: YuSeon Kho, Yong-Su Ham, YongWoo Lee
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Patent number: 11776519Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.Type: GrantFiled: March 31, 2021Date of Patent: October 3, 2023Assignee: LG DISPLAY CO., LTD.Inventors: YuSeon Kho, Yong-Su Ham, YongWoo Lee
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Patent number: 11747905Abstract: A display apparatus includes a display panel configured to display an image and a vibration generating device configured to vibrate the display panel. The vibration generating device includes a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions disposed between the plurality of first portions to have flexibility.Type: GrantFiled: December 1, 2020Date of Patent: September 5, 2023Assignee: LG DISPLAY CO., LTD.Inventor: Yong-Su Ham
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Patent number: 11722825Abstract: 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: July 22, 2022Date of Patent: August 8, 2023Assignee: 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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Publication number: 20230211376Abstract: An apparatus may include a vibration member and a vibration apparatus provided at a rear surface of the vibration member to vibrate the vibration member. The vibration apparatus may include at least one or more first vibration portions and a plurality of second vibration portions different from the at least one or more first vibration portions. The at least one or more first vibration portions may be at a periphery of, or may be adjacent to, the plurality of second vibration portions.Type: ApplicationFiled: November 22, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Seunghyun SUNG, Yong-Su HAM
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Publication number: 20230217833Abstract: A vibration apparatus and an apparatus including the same are provided. The vibration apparatus includes a first vibration portion including a first material and a second vibration portion disposed adjacent to the first vibration portion, the second vibration portion including a second material. The apparatus including the vibration apparatus further includes a vibration object; a vibration generating apparatus at the vibration object; and a connection member between the vibration object and the vibration generating apparatus.Type: ApplicationFiled: November 4, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Sooyoun KIM, Yong-Su HAM, YongWoo LEE, YuSeon KHO, Jaeyoung LIM
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Publication number: 20230217185Abstract: An apparatus includes a vibration portion, a first protection member covering a first surface of the vibration portion, and a second protection member covering a second surface of the vibration portion, wherein at least one of the first protection member and the second protection member includes a first layer including a metal material or an inorganic material.Type: ApplicationFiled: November 3, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: HwaYoul LEE, YongWoo LEE, Yong-Su HAM, Seunghyun SUNG
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Publication number: 20230217190Abstract: A vibration apparatus can include a first cover member; a second cover member; a vibration portion between the first cover member and the second cover member; a contact portion between the first cover member and the vibration portion; and a signal cable. The signal cable can include a first signal line connected to a first surface of the vibration portion via the contact portion, and a second signal line connected to a second surface of the vibration portion opposite to the first surface of the vibration portion.Type: ApplicationFiled: October 14, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Minji KIM, SeungRyull PARK, Chiwan KIM, Yong-Su HAM, Uihyeon JEONG
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Publication number: 20230217187Abstract: A piezoelectric material composition, a method of manufacturing the same, a piezoelectric device, and apparatus including the piezoelectric device. The piezoelectric device may include a piezoelectric device layer including a first material and a second material surrounded by the first material, a first electrode portion disposed at a first surface of the piezoelectric device layer, and a second electrode portion disposed at a second surface of the piezoelectric device layer opposite to the first surface, wherein the piezoelectric device layer comprises a piezoelectric material composition represented by Chemical Formula 1: 0.96(NaaK1-a)(Nbb(T1-b))O3-(0.04-x)MZrO3-x(BicAg1-c)ZrO3+d mol % NaNbO3, wherein T is Sb or Ta, M is Sr, Ba or Ca, a is 0.4?a?0.6, b is 0.90?b?0.98, c is 0.4?c?0.6, d is 0?d?5.0, and x is 0?x?0.04 and wherein T is Sb or Ta and M is Sr, Ba, or Ca.Type: ApplicationFiled: December 21, 2022Publication date: July 6, 2023Applicants: LG Display Co., Ltd., Korea University Research and Business FoundationInventors: YongWoo LEE, SeungRyull PARK, Yong-Su HAM, YuSeon KHO, Seunghyun SUNG, Sahn NAHM, Dae-Su KIM, Hosung SHIN, Jae Min EUM, Su-Hwan GO
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Publication number: 20230215410Abstract: An apparatus may enhance a sound characteristic and/or a sound pressure level characteristic. An apparatus includes a vibration member, a vibration apparatus under the vibration member, a plurality of vibration portions overlapping one another, and a connection member connecting at least a portion of the plurality of vibration portions to the vibration member.Type: ApplicationFiled: October 13, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Uihyeon JEONG, Chiwan KIM, SeungRyull PARK, Yong-Su HAM