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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Patent number: 11950035Abstract: A sound generating apparatus for vehicles may include a sound generating device to be covered by a vehicle interior material of a vehicle. The sound generating device may be configured to vibrate the vehicle interior material. A vehicle including the sound generating apparatus for vehicles may include a vehicle interior material, covering a vehicle structure, and at least one sound generating apparatus disposed at the vehicle interior material. The vehicle interior material may vibrate according to a vibration of the sound generating apparatus to output a sound.Type: GrantFiled: May 10, 2021Date of Patent: April 2, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Sungtae Lee, KwanHo Park, YeongRak Choi, Sungsu Ham, Joongsup Han
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Patent number: 11950068Abstract: Disclosed is a display device that includes a display panel, sound generating actuators including a first sound generating actuator in a first area of the display panel and a second sound generating actuator in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate sound, and a partition between the first sound generating actuator and the second sound generating actuator.Type: GrantFiled: January 21, 2022Date of Patent: April 2, 2024Assignee: LG DISPLAY CO., LTD.Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
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Publication number: 20240098396Abstract: A sound generating apparatus for vehicles may include a sound generator including a sound generating member configured to vibrate a vehicle interior material of a vehicle. The sound generating member may include a plurality of vibration generator spaced apart from one another, a first protection member at a first surface of the plurality of vibration generators, and a second protection member at a second surface opposite to the first surface of the plurality of vibration generators.Type: ApplicationFiled: November 30, 2023Publication date: March 21, 2024Applicant: LG Display Co., Ltd.Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Sungsu HAM, Joongsup HAN
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Publication number: 20240098403Abstract: 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: December 1, 2023Publication date: March 21, 2024Applicant: LG Display Co., Ltd.Inventors: Sungtae LEE, Teh Hyeon KIM, YeongRak CHOI, Seungwan Ryu, KwanHo PARK
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Patent number: 11930338Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generating device on a rear surface of the display panel. The sound generating device includes a bobbin, and a protection member on the bobbin.Type: GrantFiled: March 19, 2021Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
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Patent number: 11929057Abstract: A display apparatus includes a display panel configured to include first to eleventh regions, at least one first to third vibration devices respectively at the first to third regions, at least one fourth to eighth vibration devices respectively at the fourth to eighth regions, at least one ninth to eleventh vibration devices respectively at the ninth to eleventh regions, a first partition between the first and third regions, a second partition between the second and third regions, a third partition between the fourth and seventh regions, a fourth partition between the fourth and eighth regions, a fifth partition between the sixth and seventh regions, and a sixth partition between the sixth and eighth regions. A length of one or more among the first and second partitions may differ from a length of one or more among the third to sixth partitions.Type: GrantFiled: June 28, 2021Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: YeongRak Choi, Sungtae Lee, Sungsu Ham, Joongsup Han
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Patent number: 11902736Abstract: 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: GrantFiled: July 8, 2022Date of Patent: February 13, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Sungtae Lee, Teh Hyeon Kim, Yeongrak Choi, Seungwan Ryu, Kwanho Park
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Patent number: 11895451Abstract: 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: March 27, 2023Date of Patent: February 6, 2024Assignee: LG DISPLAY CO., LTD.Inventors: YeongRak Choi, Sungtae Lee, Kwangho Kim, Sungsu Ham, Joongsup Han
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Publication number: 20240015427Abstract: A display apparatus is disclosed. The display apparatus includes a display panel configured to display an image and a supporting member at a rear surface of the display panel. The display apparatus also includes a sound generator between the display panel and the supporting member, and at least one vibration member between the display panel and the supporting member.Type: ApplicationFiled: September 20, 2023Publication date: January 11, 2024Applicant: LG Display Co., Ltd.Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Sungsu Ham
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Publication number: 20230412953Abstract: An apparatus includes a vibration member, a vibrator at the vibration member, and a connector between the vibration member and the vibrator and accommodating the vibrator. A vehicular apparatus includes an exterior material; an interior material covering the exterior material; and one or more vibration generating devices at one or more of the exterior material, the interior material, and a region between the exterior material and the interior material, wherein the one or more vibration generating devices comprise the apparatus, and wherein one or more of the exterior material and the interior material output a sound based on vibrations of the one or more vibration generating devices.Type: ApplicationFiled: June 2, 2023Publication date: December 21, 2023Applicant: LG Display Co., Ltd.Inventors: Kwangho KIM, KwanHo PARK, YeongRak CHOI, Daeho KIM
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Publication number: 20230380086Abstract: A sliding display apparatus comprises a display panel including first to fourth side surfaces, a case configured to accommodate the display panel, a cover configured to cover an opened upper surface of the case and including a hole provided at one side thereof, a wire driving part connected to at least one wire connected to a lower surface of the display panel, and a sliding controlling part configured to control the wire driving part, and an upper portion of the display panel is exposed through the hole provided at the cover.Type: ApplicationFiled: August 2, 2023Publication date: November 23, 2023Applicant: LG DISPLAY CO., LTD.Inventors: YeongRak CHOI, SeokHyo CHO
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Publication number: 20230353934Abstract: 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: ApplicationFiled: July 3, 2023Publication date: November 2, 2023Applicant: LG DISPLAY CO., LTD.Inventors: YeongRak CHOI, ChangHo OH, KwanHo PARK, Sungtae LEE
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Patent number: 11805606Abstract: A sliding display apparatus comprises a display panel including first to fourth side surfaces, a case configured to accommodate the display panel, a cover configured to cover an opened upper surface of the case and including a hole provided at one side thereof, a wire driving part connected to at least one wire connected to a lower surface of the display panel, and a sliding controlling part configured to control the wire driving part, and an upper portion of the display panel is exposed through the hole provided at the cover.Type: GrantFiled: August 11, 2021Date of Patent: October 31, 2023Assignee: LG DISPLAY CO., LTD.Inventors: YeongRak Choi, SeokHyo Cho
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Patent number: 11805344Abstract: A display apparatus is disclosed. The display apparatus includes a display panel configured to display an image and a supporting member at a rear surface of the display panel. The display apparatus also includes a sound generator between the display panel and the supporting member, and at least one vibration member between the display panel and the supporting member.Type: GrantFiled: December 20, 2020Date of Patent: October 31, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Kwangho Kim, YeongRak Choi, Sungtae Lee, Sungsu Ham
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Publication number: 20230336920Abstract: 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: June 22, 2023Publication date: October 19, 2023Applicant: LG Display Co., Ltd.Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Kwangho KIM
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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: D1015755Type: GrantFiled: January 21, 2022Date of Patent: February 27, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Seokjin Im, Seokhyo Cho, Kihyoung Kim, Jeongeon Seong, Soonmin Kwon, Yeongrak Choi, Jaewon Hwang