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公开(公告)号：US12142069B2
公开(公告)日：2024-11-12
申请号：US18244003
申请日：2023-09-08
Applicant: LG Display Co., Ltd.
Inventor： YuSeon Kho , Yong-Su Ham , YongWoo Lee
IPC: H01L41/08 , G06F3/01 , G06F3/16 , G06V40/13 , A61B5/1172
Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.
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公开(公告)号：US12120485B2
公开(公告)日：2024-10-15
申请号：US18386246
申请日：2023-11-01
Applicant: LG Display Co., Ltd.
Inventor： YuSeon Kho , Yong-Su Ham , YongWoo Lee
CPC classification number: H04R17/00 , B60Q9/00 , H04R1/025 , H04R2499/13
Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at a vibration region including a bendable region and a peripheral portion connected to the bendable region; and a plurality of second portions between the plurality of first portions, wherein two or more second portions at the bendable region among the plurality of second portions have a cross-sectional shape that differs from a cross-sectional shape of another second portion disposed at the peripheral portion among the plurality of second portions.
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公开(公告)号：US12094445B2
公开(公告)日：2024-09-17
申请号：US18451368
申请日：2023-08-17
Applicant: LG Display Co., Ltd.
Inventor： Yuseon Kho , Yong-Su Ham , YongWoo Lee
CPC classification number: G10K9/122 , G06F1/1605 , G06F3/16
Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.
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公开(公告)号：US12004373B2
公开(公告)日：2024-06-04
申请号：US17111980
申请日：2020-12-04
Applicant: LG Display Co., Ltd.
Inventor： YuSeon Kho , Yong-Su Ham , YongWoo Lee
IPC: H10K59/00 , G06F3/01 , H10K50/842 , H10N30/20
CPC classification number: H10K59/00 , G06F3/016 , H10K50/8426 , H10N30/204
Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices configured to vibrate the display panel. Each of the plurality of vibration generating devices includes a plurality of first portions having a piezoelectric characteristic and a plurality of second portions disposed near the plurality of first portions to have an expansion coefficient, and the plurality of vibration generating devices have different expansion coefficients.
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公开(公告)号：US11984241B2
公开(公告)日：2024-05-14
申请号：US17217440
申请日：2021-03-30
Applicant: LG Display Co., Ltd.
Inventor： Sungwook Ko , Chiwan Kim , YongWoo Lee , Uihyeon Jeong
CPC classification number: H01B7/04 , H10N30/20 , H10N30/50 , H10N30/871 , H04R17/00
Abstract: A flexible cable may include a base member including a terminal portion, a conductor layer including a plurality of conductive lines disposed on the base member, and a protection layer disposed on the base member to cover at least prat of the conductor layer and to expose a portion of each of the plurality of conductive lines at the terminal portion. A length of each of the plurality of conductive lines may be longer than a length of the base member. A vibration device may include a vibration structure including a vibration layer, a first electrode layer disposed on a first surface of the vibration layer, and a second electrode layer disposed on a second surface of the vibration layer and a flexible cable electrically connected to the first electrode layer and to the second electrode layer of the vibration structure.
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Patent Agency Ranking
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：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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