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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：US20200314556A1
公开(公告)日：2020-10-01
申请号：US16443090
申请日：2019-06-17
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Yong-Su HAM , Taeheon Kim , Sung-Eui SHIN
IPC: H04R17/00 , H01L41/047 , H01L41/08 , H01L41/09 , H01L41/37 , H01L41/083
Abstract: 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.
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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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公开(公告)号：US20230422625A1
公开(公告)日：2023-12-28
申请号：US18242508
申请日：2023-09-05
Inventor： Taeheon KIM , Sahn Nahm , YongGyoon JANG , Jonghyun KIM , Ku-Tak LEE , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Seok-June Chae
IPC: H10N30/853 , G06F3/041 , G10K9/122 , G06F1/16 , G06F3/01
CPC classification number: H10N30/8542 , G06F3/0412 , G06F3/016 , G06F1/1605 , G10K9/122
Abstract: 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.-
Patent Agency Ranking
公开(公告)号：US20220406989A1
公开(公告)日：2022-12-22
申请号：US17893881
申请日：2022-08-23
Inventor： Taeheon KIM , Sahn Nahm , YongGyoon JANG , Jonghyun KIM , Ku-Tak LEE , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Seok-June Chae
IPC: H01L41/187 , G06F3/041 , G10K9/122 , G06F1/16 , G06F3/01
Abstract: 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：US20210160622A1
公开(公告)日：2021-05-27
申请号：US17169056
申请日：2021-02-05
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG , Yong-Su HAM , Sungwook KO
Abstract: 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：US20200154185A1
公开(公告)日：2020-05-14
申请号：US16662690
申请日：2019-10-24
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 , H01L41/193 , H01L27/20 , H01L41/053
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：US20170017108A1
公开(公告)日：2017-01-19
申请号：US15211778
申请日：2016-07-15
Applicant: LG Display Co., Ltd.
Inventor： Sung-Eui SHIN , JeongJo LEE
IPC: G02F1/1333 , G02F1/1335 , G02F1/1345 , G09G3/36
CPC classification number: G02F1/133308 , G02F1/133615 , G02F1/13452 , G02F1/13458 , G02F2001/133314 , G09G3/3406 , G09G2300/026 , G09G2300/0426
Abstract: Disclosed is a display device including a display panel; a panel driver electrically connected to the display panel, a guide frame arranged at an edge area of the display panel and configured to support the display panel; and a coupling member arranged on an upper surface of the support and configured to couple the display panel to the guide frame.
Abstract translation: 公开了一种显示装置，包括显示面板; 电连接到显示面板的面板驱动器，布置在显示面板的边缘区域并被配置为支撑显示面板的引导框架; 以及联接构件，其布置在所述支撑件的上表面上并且被配置为将所述显示面板耦合到所述引导框架。
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公开(公告)号：US20240260475A1
公开(公告)日：2024-08-01
申请号：US18523351
申请日：2023-11-29
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Wansoo LEE , Chiwan KIM , Sung-Eui SHIN , Minji KIM , Sungwook KO , Saewon KANG
IPC: H10N30/20 , H10N30/03 , H10N30/071 , H10N30/098 , H10N30/87
CPC classification number: H10N30/20 , H10N30/03 , H10N30/071 , H10N30/098 , H10N30/875
Abstract: Aspects of the present disclosure is directed to a vibration apparatus and an apparatus including the same, having directivity. In one example, a vibration apparatus includes a vibration part; a first electrode at a first surface of the vibration part; and a second electrode at a second surface different from the first surface of the vibration part, wherein the vibration part includes a piezoelectric portion and a supporting portion connected to the piezoelectric portion, and wherein a height of the supporting portion differs from a height of the piezoelectric portion.
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