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公开(公告)号：US20230336922A1
公开(公告)日：2023-10-19
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 , H04R1/028 , H04R1/288 , H04R3/12 , G08B6/00 , H04R1/403 , 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：US20220360907A1
公开(公告)日：2022-11-10
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
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：US20200213768A1
公开(公告)日：2020-07-02
申请号：US16722713
申请日：2019-12-20
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：US20200171542A1
公开(公告)日：2020-06-04
申请号：US16655928
申请日：2019-10-17
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YongGyoon JANG
IPC: B06B1/06
Abstract: A vibration generating device includes a first piezoelectric device including at least one slit, a first electrode on a first surface of the first piezoelectric device, and a second electrode on a second surface opposite to the first surface of the first piezoelectric device.
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5.发明申请公开(公告)号：US20200059733A1
公开(公告)日：2020-02-20
申请号：US16443454
申请日：2019-06-17
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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Patent Agency Ranking
公开(公告)号：US20190018509A1
公开(公告)日：2019-01-17
申请号：US16019935
申请日：2018-06-27
Applicant: LG DISPLAY CO., LTD.
Inventor： Kyungyeol RYU , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , YuSeon KHO
IPC: G06F3/041 , G06F3/01 , C08G79/025
Abstract: Provided are a touch sensitive device and a display device including the touch sensitive device. The touch sensitive device according to an embodiment of the present disclosure includes an electro-active layer formed of polyphosphazene substituted with an aryloxy group at a phosphorus atom in the backbone of the polyphosphazene, and electrodes disposed on at least one surface of the electro-active layer. The touch sensitive device according to an embodiment of the present disclosure has an excellent intensity of vibrations due to characteristics of the polyphosphazene including the substituted aryloxy group and is flame retardant and non-toxic.
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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：US20220182766A1
公开(公告)日：2022-06-09
申请号：US17676816
申请日：2022-02-22
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：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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