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公开(公告)号：US20230388718A1
公开(公告)日：2023-11-30
申请号：US18234203
申请日：2023-08-15
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
Abstract: 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.
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公开(公告)号：US20220279259A1
公开(公告)日：2022-09-01
申请号：US17746959
申请日：2022-05-18
Applicant: LG Display Co., Ltd.
Inventor： Taeheon KIM , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
IPC: H04R1/02 , H04R17/00 , H01L41/09 , H01L27/20 , H01L41/053 , H01L41/193
Abstract: 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.
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公开(公告)号：US20220182766A1
公开(公告)日：2022-06-09
申请号：US17676816
申请日：2022-02-22
Applicant: LG Display Co., Ltd.
Inventor： Sung Eui SHIN , Taeheon KIM , Kyungyeol RYU , YongGyoon JANG , Chiwan KIM , YongWoo LEE , YuSeon KHO
Abstract: 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.
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公开(公告)号：US20200209973A1
公开(公告)日：2020-07-02
申请号：US16720587
申请日：2019-12-19
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol Ryu , YuSeon KHO , YongGyoon JANG
IPC: G06F3/01 , B06B1/06 , H01L27/32 , G02F1/1368 , G02F1/1333 , G06F3/041 , B60K37/04
Abstract: 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.
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公开(公告)号：US20200154214A1
公开(公告)日：2020-05-14
申请号：US16654562
申请日：2019-10-16
Applicant: LG Display Co., Ltd.
Inventor： YongGyoon JANG , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US20240056743A1
公开(公告)日：2024-02-15
申请号：US18384856
申请日：2023-10-29
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
CPC classification number: H04R17/00 , H04R1/028 , G06F3/16 , G06F1/1601
Abstract: A display apparatus includes: a display panel configured to be rolled or unrolled; at least one vibration module at 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 to vibrate the display panel; a partition at the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module; and a plurality of rigid members at the rear surface of the display panel, the plurality of rigid members extending in a first direction and being spaced apart from each other in a second direction vertical to the first direction in a state in which the plurality of rigid members are not coupled or connected to each other.
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公开(公告)号：US20230421963A1
公开(公告)日：2023-12-28
申请号：US18243083
申请日：2023-09-06
Applicant: LG Display Co., Ltd.
Inventor： Sung Eui SHIN , Taeheon KIM , Kyungyeol RYU , YongGyoon JANG , Chiwan KIM , YongWoo LEE , YuSeon KHO
CPC classification number: H04R17/00 , H04R1/028 , H04R7/045 , G06F1/1652
Abstract: 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.
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公开(公告)号：US20230345156A1
公开(公告)日：2023-10-26
申请号：US18211583
申请日：2023-06-19
Applicant: LG Display Co., Ltd.
Inventor： Taeheon KIM , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
CPC classification number: H04R1/028 , H04R17/00 , H10N30/20 , H10N30/857 , H10N30/883 , H10N39/00 , H04R2499/15
Abstract: 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.
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公开(公告)号：US20200314553A1
公开(公告)日：2020-10-01
申请号：US16447304
申请日：2019-06-20
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
Abstract: 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.
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公开(公告)号：US20200314552A1
公开(公告)日：2020-10-01
申请号：US16431737
申请日：2019-06-05
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
Abstract: 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.
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