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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：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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公开(公告)号：US20150376356A1
公开(公告)日：2015-12-31
申请号：US14755525
申请日：2015-06-30
Applicant: LG Display Co., Ltd.
Inventor： Kyungyeol Ryu , JinWuk Kim , Wy-Yong Kim
CPC classification number: H01L51/5253 , H01L2251/5338
Abstract: An organic insulating material and a flexible display device are disclosed. The organic insulating material comprises an acrylic polymer having a cinnamoyl moiety.
Abstract translation: 公开了一种有机绝缘材料和柔性显示装置。 有机绝缘材料包含具有肉桂酰基部分的丙烯酸聚合物。
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公开(公告)号：US12101600B2
公开(公告)日：2024-09-24
申请号：US17845444
申请日：2022-06-21
Applicant: LG Display Co., Ltd.
Inventor： Sungwook Ko , Kyungyeol Ryu , Taehyung Kim , MinHo Sohn , SeulKi Nam , Jeonggoo Kang , JunSeok Oh , SeungRyull Park , Chiwan Kim , GyungBo Ha , Uihyeon Jeong
CPC classification number: H04R17/00 , H04R1/2803 , H10N30/20 , H10N30/708 , H04R2430/00 , H04R2499/13
Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive 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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Patent Agency Ranking
公开(公告)号：US11750979B2
公开(公告)日：2023-09-05
申请号：US17464660
申请日：2021-09-01
Applicant: LG Display Co., Ltd.
Inventor： YongGyoon Jang , Chiwan Kim , Taeheon Kim , Sung-Eui Shin , YongWoo Lee , Kyungyeol Ryu , Yuseon Kho
CPC classification number: H04R17/005 , H04R1/028 , H04R2499/15
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：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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公开(公告)号：US11297439B2
公开(公告)日：2022-04-05
申请号：US17013035
申请日：2020-09-04
Applicant: LG Display Co., Ltd.
Inventor： Sung Eui Shin , Taeheon Kim , Kyungyeol Ryu , YongGyoon Jang , Chiwan Kim , YongWoo Lee , YuSeon Kho
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：US11166108B2
公开(公告)日：2021-11-02
申请号：US16447304
申请日：2019-06-20
Applicant: LG Display Co., Ltd.
Inventor： Chiwan Kim , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
Abstract: 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：US11073914B2
公开(公告)日：2021-07-27
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 , H01L27/32 , G02F1/1368 , G02F1/1333 , G06F3/041 , B60K37/04 , B06B1/06 , G06F3/044 , B60R11/02 , B60R11/00
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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