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31.发明申请公开(公告)号：US20160187985A1
公开(公告)日：2016-06-30
申请号：US14971170
申请日：2015-12-16
Applicant: LG DISPLAY CO., LTD.
Inventor： MyungJin LIM , SuSeok CHOI , Yong-Su HAM , Taeheon KIM , YongWoo LEE , Seulgi CHOI
CPC classification number: G06F3/016 , G06F3/0412 , G06F2203/04102 , H01L41/083 , H01L41/0926 , H01L41/193
Abstract: Provided is a multilayer transformable device with enhanced driving displacement and a display device including the same. The multilayer transformable device, for example, includes a plurality of unit transformable devices, each of the unit transformable devices that includes a lower electrode, an upper electrode, and a transformable layer including an electro-active polymer (EAP) and a sub-transformable layer disposed between the plurality of unit transformable devices, the sub-transformable layer including a sub-EAP different from the EAP.
Abstract translation: 提供了具有增强的驱动位移的多层可变形装置和包括该多层可变形装置的显示装置。 多层可变形装置例如包括多个单元可变形装置，每个单位可变形装置包括下电极，上电极和包含电活性聚合物（EAP）和可变形的可变形的可变形层 层，其设置在所述多个单元可变形设备之间，所述子可变形层包括不同于所述EAP的子EAP。
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公开(公告)号：US20230266790A1
公开(公告)日：2023-08-24
申请号：US18309717
申请日：2023-04-28
Applicant: LG Display Co., Ltd.
Inventor： Sungwook KO , YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN
CPC classification number: G06F1/1605 , G09F9/301 , G10K9/122 , G06F3/16 , G06F1/1652
Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.
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公开(公告)号：US20210400396A1
公开(公告)日：2021-12-23
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
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：US20210325968A1
公开(公告)日：2021-10-21
申请号：US17359243
申请日：2021-06-25
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
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：US20210200265A1
公开(公告)日：2021-07-01
申请号：US17131389
申请日：2020-12-22
Applicant: LG Display Co., Ltd.
Inventor： Sungwook KO , YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN
Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.
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Patent Agency Ranking
公开(公告)号：US20210168479A1
公开(公告)日：2021-06-03
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 , H01L41/053 , H01L41/193 , H04R17/00 , H01L41/09 , H01L27/20
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：US20200381613A1
公开(公告)日：2020-12-03
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 , G06F3/01 , G06F1/16 , G10K9/122
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：US20190163314A1
公开(公告)日：2019-05-30
申请号：US16201793
申请日：2018-11-27
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO
Abstract: A touch panel includes a plurality of first electrodes which extends in a first direction. The touch panel further includes an electroactive layer which is disposed on the plurality of first electrodes and is formed of an electroactive material. The touch panel further includes a plurality of second electrodes which is disposed on the electroactive layer and extends in a second direction which is different from the first direction. The touch panel further includes an insulating layer which is disposed to cover the electroactive layer and the plurality of second electrodes. The touch panel further includes a plurality of third electrodes which is disposed on the insulating layer and extends in the second direction.
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公开(公告)号：US20190014420A1
公开(公告)日：2019-01-10
申请号：US16029209
申请日：2018-07-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeheon KIM , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO
Abstract: Discussed are a film speaker and a display device. The film speaker includes an electroactive layer including a first surface and a second surface opposite to the first surface, and further including a plurality of concave portions; and a first electrode and a second electrode disposed on at least one of the first surface and the second surface. Therefore, the sound generated in the film speaker may be further amplified and the sound pressure level may be improved.
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公开(公告)号：US20180120941A1
公开(公告)日：2018-05-03
申请号：US15798151
申请日：2017-10-30
Applicant: LG Display Co., Ltd.
Inventor： Seulgi CHOI , Yong-Su HAM , Taeheon KIM , YongWoo LEE , Kyungyeol RYU , YuSeon KHO , MyungJin LIM
IPC: G06F3/01 , G02F1/1333 , G02F1/1341 , G06F3/041 , G06F3/044
CPC classification number: G06F3/016 , G02F1/133365 , G02F1/13338 , G02F2201/503 , G06F3/041 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04112
Abstract: Provided are a touch sensitive element and a display device including the same. According to the exemplary embodiment of the present disclosure, a touch sensitive element, includes: an electroactive layer which is formed of electroactive polymer (EAP); an electrode which is disposed on at least one surface of the electroactive layer; and a hard coating layer which is disposed on the electroactive layer and the electrode and has a negative coefficient of thermal expansion (CTE). Therefore, vibration effect in a vertical direction is maximized and impact resistance may be improved.
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