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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
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：US11275921B2
公开(公告)日：2022-03-15
申请号：US16940955
申请日：2020-07-28
Applicant: LG Display Co., Ltd.
Inventor： YuSeon Kho , Chiwan Kim , Taeheon Kim , Sung-Eui Shin , YongWoo Lee , Kyungyeol Ryu
Abstract: A piezoelectric panel speaker and an electronic apparatus including the same are disclosed. The piezoelectric panel speaker may include a piezoelectric panel including at least one hole and configured to vibrate, and a fingerprint sensor accommodated into the one hole and configured to sense biometric information.
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公开(公告)号：US11006223B2
公开(公告)日：2021-05-11
申请号：US16855842
申请日：2020-04-22
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeheon Kim , Chiwan Kim , Sung-Eui Shin , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho
Abstract: A vibration generating device includes an electroactive layer having a first surface and a second surface opposite to the first surface, and including an unevenness structure; and a first electrode and a second electrode on at least one of the first surface and the second surface of the electroactive layer, wherein one or more of the first electrode and the second electrode covers an entire surface of at least one or more of the first surface and the second surface of the electroactive layer including the unevenness structure.
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公开(公告)号：US10959025B2
公开(公告)日：2021-03-23
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 , H01L41/08 , H01L41/083 , H01L41/09 , H01L41/047 , H01L41/37
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：US10193099B2
公开(公告)日：2019-01-29
申请号：US15722914
申请日：2017-10-02
Applicant: LG Display Co., Ltd.
Inventor： Seulgi Choi , Suseok Choi , Yongsu Ham , Taeheon Kim , Yongwoo Lee , Myungjin Lim
IPC: G06F1/16 , H05K5/00 , H05K7/00 , H01L51/52 , G06F3/041 , H01L51/56 , H01L27/32 , H01L41/047 , H01L41/29 , H01L41/09 , H01L41/193
Abstract: A transformable device is provided. The transformable device includes an electro-active layer. A first electrode is disposed at a lower portion inside the electro-active layer. A second electrode is disposed at an upper portion inside the electro-active layer. In the transformable device according to an embodiment of the present disclosure, performance of the electrodes is suppressed from decreasing in spite of repeated operating and a life of the transformable device can be increased as compared with a case of forming electrodes outside an electro-active layer.
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Patent Agency Ranking
公开(公告)号：US09990099B2
公开(公告)日：2018-06-05
申请号：US15392465
申请日：2016-12-28
Applicant: LG DISPLAY CO., LTD.
Inventor： Yong-Su Ham , Taeheon Kim , YongWoo Lee , YuSeon Kho , MyungJin Lim , Seulgi Choi
CPC classification number: G06F3/044 , G06F3/016 , G06F3/041 , G06F3/0412 , H04M1/0266
Abstract: Provided is a display device. The display device includes: a touch sensitive element including an electroactive layer and a plurality of electrodes disposed on at least one of the top surface and the bottom surface of the electroactive layer; a shielding layer on the touch sensitive element; a display panel on the shielding layer; and a touch sensor integrated in the display panel and including a plurality of first touch electrodes and a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes, and the shielding layer is electrically connected with the plurality of first touch electrodes or the plurality of second touch electrodes.
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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
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 , H04R2499/15
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：US11930320B2
公开(公告)日：2024-03-12
申请号：US17978878
申请日：2022-11-01
Applicant: LG Display Co., Ltd.
Inventor： YongWoo Lee , Yong-Su Ham , Taeheon Kim , Sung-Eui Shin
CPC classification number: H04R17/005 , H10N30/092 , H10N30/1061 , H10N30/206 , H10N30/50 , H10N30/87 , H04R2201/003 , H04R2499/15
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：US11722825B2
公开(公告)日：2023-08-08
申请号：US17871842
申请日：2022-07-22
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
CPC classification number: H04R17/00 , G08B6/00 , H04R1/028 , H04R1/288 , H04R1/403 , H04R3/12 , H04R2499/15
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：US20230049229A1
公开(公告)日：2023-02-16
申请号：US17978878
申请日：2022-11-01
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Yong-Su HAM , Taeheon Kim , Sung-Eui SHIN
IPC: H04R17/00 , H01L41/37 , H01L41/047 , H01L41/09 , H01L41/083 , H01L41/08
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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