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公开(公告)号：US11462675B2
公开(公告)日：2022-10-04
申请号：US16886150
申请日：2020-05-28
发明人： Taeheon Kim , Sahn Nahm , YongGyoon Jang , Jonghyun Kim , Ku-Tak Lee , Chiwan Kim , Sung-Eui Shin , YongWoo Lee , Seok-June Chae
IPC分类号： H01L41/187 , G06F3/041 , G10K9/122 , G06F1/16 , G06F3/01
摘要： 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.
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公开(公告)号：US12096181B2
公开(公告)日：2024-09-17
申请号：US18243083
申请日：2023-09-06
申请人： LG Display Co., Ltd.
发明人： Sung Eui Shin , Taeheon Kim , Kyungyeol Ryu , YongGyoon Jang , Chiwan Kim , YongWoo Lee , YuSeon Kho
CPC分类号： H04R17/00 , H04R1/028 , H04R7/045 , G06F1/1652 , H04R2499/15
摘要： 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：US11843913B2
公开(公告)日：2023-12-12
申请号：US17346043
申请日：2021-06-11
申请人： LG Display Co., Ltd.
发明人： Chiwan Kim , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
CPC分类号： H04R17/00 , G06F3/16 , H04R1/028 , G06F1/1601 , G09G3/2092 , G09G2380/02 , H04R2499/15
摘要： 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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公开(公告)号：US11722825B2
公开(公告)日：2023-08-08
申请号：US17871842
申请日：2022-07-22
申请人： LG Display Co., Ltd.
发明人： YongWoo Lee , Chiwan Kim , Taeheon Kim , Sung-Eui Shin , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang , Yong-Su Ham , Sungwook Ko
摘要： 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.
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公开(公告)号：US11601738B2
公开(公告)日：2023-03-07
申请号：US17370954
申请日：2021-07-08
申请人： LG Display Co., Ltd.
发明人： YongGyoon Jang , Yong-Su Ham , YongWoo Lee , Kyungyeol Ryu
摘要： 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.
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公开(公告)号：US10972820B2
公开(公告)日：2021-04-06
申请号：US16662690
申请日：2019-10-24
申请人： LG Display Co., Ltd.
发明人： Taeheon Kim , Chiwan Kim , Sung-Eui Shin , Yongwoo Lee , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
IPC分类号： H04R1/02 , H04R17/00 , H01L41/09 , H01L27/20 , H01L41/053 , H01L41/193
摘要： 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：US12069953B2
公开(公告)日：2024-08-20
申请号：US18242508
申请日：2023-09-05
发明人： Taeheon Kim , Sahn Nahm , YongGyoon Jang , Jonghyun Kim , Ku-Tak Lee , Chiwan Kim , Sung-Eui Shin , YongWoo Lee , Seok-June Chae
IPC分类号： H10N30/853 , G06F1/16 , G06F3/01 , G06F3/041 , G10K9/122
CPC分类号： H10N30/8542 , G06F1/1605 , G06F3/016 , G06F3/0412 , G10K9/122
摘要： 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.-
公开(公告)号：US11924609B2
公开(公告)日：2024-03-05
申请号：US17346043
申请日：2021-06-11
申请人： LG Display Co., Ltd.
发明人： Chiwan Kim , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
CPC分类号： H04R17/00 , G06F3/16 , H04R1/028 , G06F1/1601 , G09G3/2092 , G09G2380/02 , H04R2499/15
摘要： 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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公开(公告)号：US11770656B2
公开(公告)日：2023-09-26
申请号：US17463546
申请日：2021-08-31
申请人： LG Display Co., Ltd.
发明人： Chiwan Kim , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
摘要： 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：US11140492B2
公开(公告)日：2021-10-05
申请号：US16654562
申请日：2019-10-16
申请人： LG Display Co., Ltd.
发明人： YongGyoon Jang , Chiwan Kim , Taeheon Kim , Sung-Eui Shin , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho
摘要： 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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