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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：US10972820B2
公开(公告)日：2021-04-06
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 , 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：US10762320B2
公开(公告)日：2020-09-01
申请号：US16108849
申请日：2018-08-22
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：US20200207920A1
公开(公告)日：2020-07-02
申请号：US16798000
申请日：2020-02-21
Applicant: LG Display Co., Ltd.
Inventor： TaeHeon Kim , YongSu Ham , YongWoo Lee , KyungYeol Ryu , YuSeon Kho , MyungJin Lim , SeulGi Choi
Abstract: Provided are a touch sensitive element and a display device including the same. The touch sensitive element according to an exemplary aspect of the present disclosure includes an electroactive layer formed of a linear boron nitride polymer and an electrode disposed on at least one surface of the electroactive layer. Therefore, a piezoelectricity of the electroactive layer is improved to improve vibration strength of the touch sensitive element and significantly improve heat resistance.
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公开(公告)号：US20190028669A1
公开(公告)日：2019-01-24
申请号：US15971077
申请日：2018-05-04
Applicant: LG Display Co., Ltd.
Inventor： Sung-Eui Shin , Chiwan Kim , Taeheon Kim , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho
IPC: H04N5/64 , H01L51/52 , G02F1/1333 , H04R1/02 , H04R17/00
CPC classification number: H04N5/642 , G02F1/133308 , G02F2001/133314 , H01L51/524 , H04R1/025 , H04R17/00 , H04R2499/15
Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20170192507A1
公开(公告)日：2017-07-06
申请号：US15355922
申请日：2016-11-18
Applicant: LG DISPLAY CO., LTD.
Inventor： YongWoo Lee , Yong-Su Ham , Taeheon Kim , YuSeon Kho , MyungJin Lim , Seulgi Choi
CPC classification number: G06F3/016 , B29C65/4845 , B29L2031/3475 , B32B7/12 , B32B37/12 , B32B2038/0076 , B32B2307/20 , B32B2310/0831 , B32B2457/208 , G06F3/041 , G06F3/0412 , G06F2203/04103 , G06F2203/04112
Abstract: Provided is a contact sensitive device. The contact sensitive device includes an electroactive layer, a plurality of first electrodes, a plurality of second electrodes, and a bonding layer. The plurality of first electrodes is disposed on one surface of the electroactive layer and the plurality of second electrodes is disposed on the other surface of the electroactive layer. The bonding layer covers one surface of the electroactive layer and consists of a first part corresponding to the plurality of first electrodes and a second part excluding the first part. The first part and the second part of the bonding layer have different elastic moduli.
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公开(公告)号：US12069428B2
公开(公告)日：2024-08-20
申请号：US17851822
申请日：2022-06-28
Applicant: LG Display Co., Ltd.
Inventor： Minji Kim , YoungWook Ha , Chiwan Kim , GyungBo Ha , MinHo Sohn , MinKyu Choi , Jeonggoo Kang , YuSeon Kho , YeongRak Choi , Seungo Jeon , Kwangho Kim , JunSeok Oh
CPC classification number: H04R17/00 , H04R1/24 , H04R3/00 , H04R31/006 , H04R1/028 , H04R2499/15
Abstract: A vibration apparatus may include a vibration plate, a vibration generator at the vibration plate, and a connection member between the vibration plate and the vibration generator. The vibration generator may include a vibration structure. The connection member may include a first connection member between the vibration plate and the vibration structure and overlapping the vibration structure. The connection member may also include a second connection member surrounding the first connection member. A modulus of the first connection member may be greater than a modulus of the second connection member.
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公开(公告)号：US12047742B2
公开(公告)日：2024-07-23
申请号：US18213648
申请日：2023-06-23
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：US11843914B2
公开(公告)日：2023-12-12
申请号：US17542063
申请日：2021-12-03
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 each of first to third regions, and a plurality of second portions between the plurality of first portions, at each of the first to third regions, wherein two or more second portions, at any one region, among the first to third regions, have a cross-sectional shape that differs from a cross-sectional shape of a second portion disposed at each of the other regions, among the first to third regions.
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公开(公告)号：US11368771B2
公开(公告)日：2022-06-21
申请号：US17177058
申请日：2021-02-16
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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