Patents by Inventor YeongRak CHOI
YeongRak CHOI 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: 20230308805Abstract: A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.Type: ApplicationFiled: June 1, 2023Publication date: September 28, 2023Applicant: LG Display Co., Ltd.Inventors: Sungsu HAM, YeongRak CHOI, Sungtae LEE, Joongsup HAN
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Patent number: 11743654Abstract: A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.Type: GrantFiled: May 26, 2022Date of Patent: August 29, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim
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Patent number: 11736858Abstract: A panel vibration type sound generating display device is disclosed. The display device includes a display panel for displaying an image; a sound generating actuator connected to the display panel and configured to vibrate the display panel to generate sound; a support structure spaced apart from the display panel with an air gap between the support structure and the display panel; and a baffle part disposed between the support structure and the display panel to surround the air gap.Type: GrantFiled: April 12, 2021Date of Patent: August 22, 2023Assignee: LG Display Co., Ltd.Inventors: YeongRak Choi, ChangHo Oh, KwanHo Park, Sungtae Lee
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Publication number: 20230254618Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth regions, a first partition between the first region and the third region, a second partition between the second region and the third region, a third partition between the fourth region and the sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.Type: ApplicationFiled: March 27, 2023Publication date: August 10, 2023Applicant: LG Display Co., Ltd.Inventors: YeongRak CHOI, Sungtae LEE, Kwangho KIM, Sungsu HAM, Joongsup HAN
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Patent number: 11706567Abstract: A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.Type: GrantFiled: May 13, 2022Date of Patent: July 18, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Sungsu Ham, YeongRak Choi, Sungtae Lee, Joongsup Han
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Publication number: 20230217189Abstract: A sound apparatus can include a vibration member; a housing at a rear surface of the vibration member; a connection member disposed between the vibration member and the housing; and a vibration apparatus configured to vibrate the vibration member. The vibration apparatus can include at least one piezoelectric element for producing sound. Also, the connection member can have a first stiffness that is less than a second stiffness of the housing, and the vibration member can be isolated from the housing by the connection member.Type: ApplicationFiled: December 29, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Daeho KIM, YeongRak CHOI, MinKyu CHOI, Seungo JEON, Kwangho KIM, Jeongbeom LEE, Taehyoung KIM, KwanHo PARK
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Publication number: 20230209010Abstract: A display apparatus includes: a display panel including: a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.Type: ApplicationFiled: February 27, 2023Publication date: June 29, 2023Applicant: LG Display Co., Ltd.Inventors: Sungtae LEE, SeYoung KIM, KwanHo PARK, YeongRak CHOI, Kwangho KIM, Sungsu HAM
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Patent number: 11647317Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth regions, a first partition between the first region and the third region, a second partition between the second region and the third region, a third partition between the fourth region and the sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.Type: GrantFiled: June 28, 2021Date of Patent: May 9, 2023Assignee: LG Display Co., LtdInventors: YeongRak Choi, Sungtae Lee, Kwangho Kim, Sungsu Ham, Joongsup Han
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Patent number: 11616928Abstract: A display apparatus includes: a display panel including: a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.Type: GrantFiled: April 29, 2021Date of Patent: March 28, 2023Assignee: LG Display Co., Ltd.Inventors: Sungtae Lee, SeYoung Kim, KwanHo Park, YeongRak Choi, Kwangho Kim, Sungsu Ham
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Patent number: 11592863Abstract: A display apparatus includes: a display panel configured to display an image, at least one supporting member on a rear surface of the display panel, the at least one supporting member defining a groove, at least one sound generation device adjacent to the display panel, and a wiring, accommodated into the groove, configured to transfer a signal to the at least one sound generation device.Type: GrantFiled: December 24, 2020Date of Patent: February 28, 2023Assignee: LG Display Co., Ltd.Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi
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Patent number: 11595744Abstract: A display apparatus includes: a display panel configured to display an image, one or more sound generation devices configured to vibrate the display panel to generate sound, a supporting member configured to support the display panel, a partition between the display panel and the supporting member, the partition including: a first side in a horizontal direction, and a second side in a vertical direction, and one or more first pad parts on the first side.Type: GrantFiled: December 7, 2020Date of Patent: February 28, 2023Assignee: LG Display Co., Ltd.Inventors: Taecheol Kang, Moonyoung Shin, YeongRak Choi, Sungsu Ham
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Publication number: 20230019257Abstract: 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: ApplicationFiled: June 28, 2022Publication date: January 19, 2023Applicant: 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
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Publication number: 20230007387Abstract: A sound apparatus may include a vibration member, a housing configured to cover a rear surface of the vibration member, and a vibration apparatus including one or more vibration devices configured to vibrate the vibration member. The vibration member may include a non-planar structure.Type: ApplicationFiled: June 28, 2022Publication date: January 5, 2023Applicant: LG Display Co., Ltd.Inventors: Daeho KIM, YuSeon KHO, Kyungyeol RYU, YeongRak CHOI, KwanHo PARK, MinKyu CHOI, Jeongbeom LEE, Inchan JEONG, MinHo SOHN, Seungo JEON, Kwangho KIM, SeungRyull PARK, JunSeok OH, Chiwan KIM
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Patent number: 11531512Abstract: A display apparatus includes a display panel configured to display an image and including a first to a fifth regions, at least one first and fourth sound generating devices in a left region of a rear surface of the display panel and in the first and fourth regions, at least one second and fifth sound generating device in a right region of the rear surface and in the second and fifth regions, and at least one third sound generating device in a center region of the rear surface and in the third region. The at least one first to third sound generating devices is configured to vibrate the display panel to generate sound, and the at least one fourth and fifth sound generating devices is configured to vibrate the display panel to generate sound in a direction upwards from the display panel.Type: GrantFiled: April 2, 2020Date of Patent: December 20, 2022Assignee: LG Display Co., Ltd.Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Kwangho Kim
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Publication number: 20220369024Abstract: A display apparatus includes a display module including a display panel configured to display an image, a rear cover on a rear surface of the display module, and a sound generating module at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generating module is covered by the rear cover.Type: ApplicationFiled: July 8, 2022Publication date: November 17, 2022Applicant: LG Display Co., Ltd.Inventors: Sungtae LEE, Teh Hyeon KIM, YeongRak CHOI, Seungwan Ryu, KwanHo PARK
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Publication number: 20220286783Abstract: A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.Type: ApplicationFiled: May 26, 2022Publication date: September 8, 2022Applicant: LG Display Co., Ltd.Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Kwangho KIM
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Publication number: 20220279277Abstract: A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.Type: ApplicationFiled: May 13, 2022Publication date: September 1, 2022Applicant: LG Display Co., Ltd.Inventors: Sungsu HAM, YeongRak CHOI, Sungtae LEE, Joongsup HAN
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Patent number: D989032Type: GrantFiled: January 20, 2021Date of Patent: June 13, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Kwangchan Lee, Jikyoung Kim, Yeongrak Choi, Chiyoung Lee, Hyunjung Song
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Patent number: D989033Type: GrantFiled: January 20, 2021Date of Patent: June 13, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Chiyoung Lee, Kwangchan Lee, Jikyoung Kim, Yeongrak Choi, Hyunjung Song
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Patent number: D989034Type: GrantFiled: January 20, 2021Date of Patent: June 13, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Chiyoung Lee, Kwangchan Lee, Jikyoung Kim, Yeongrak Choi, Hyunjung Song