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11.发明授权公开(公告)号：US10790438B2
公开(公告)日：2020-09-29
申请号：US15822740
申请日：2017-11-27
Applicant: LG DISPLAY CO., LTD.
Inventor： Yong-Su Ham , Taeheon Kim , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho , MyungJin Lim
IPC: H01L41/27 , H01L41/083 , H01L41/45 , H01L41/193 , B32B37/10 , G06F3/02 , G06F3/01 , G06F3/0488 , H01L41/253
Abstract: Provided are a touch sensitive element and a manufacturing method thereof. The manufacturing method for the touch sensitive element according to an embodiment of the present disclosure includes forming an electroactive polymer coating layer by applying an electroactive polymer solution on a substrate; forming an electroactive layer by heating and pressurizing the electroactive polymer coating layer using a hot press roller; and forming an electrode on the electroactive layer.
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12.发明授权公开(公告)号：US10318051B2
公开(公告)日：2019-06-11
申请号：US15394395
申请日：2016-12-29
Applicant: LG DISPLAY CO., LTD.
Inventor： Seulgi Choi , Yong-Su Ham , Taeheon Kim , YongWoo Lee , YuSeon Kho , MyungJin Lim
IPC: G06F3/044 , G06F3/041 , G06F3/01 , H01L41/09 , H01L41/45 , H01L41/047 , H01L41/113 , H01L41/193 , H01L41/253 , C08J9/26
Abstract: Provided are a contact sensitive device, a display apparatus including the same, and a method of manufacturing the same. The contact sensitive device includes an electroactive layer formed of an electroactive polymer having a plurality of nano pores and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a β-phase structure and improved piezoelectricity without performing a stretching process or a polling process.
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公开(公告)号：US10168781B2
公开(公告)日：2019-01-01
申请号：US15392401
申请日：2016-12-28
Applicant: LG Display Co., Ltd.
Inventor： Taeheon Kim , Yong-Su Ham , YongWoo Lee , YuSeon Kho , MyungJin Lim , Seulgi Choi
Abstract: Provided are a touch sensitive device and a display device including the same. The touch sensitive device includes: a first electroactive layer formed of a ferroelectric polymer; a plurality of electrodes disposed on at least one surface of the first electroactive layer; and a second electroactive layer in contact with the plurality of electrodes and the first electroactive layer and formed of an electroactive polymer. A coating layer having a low refractive index and formed of an electroactive polymer is formed on the first electroactive layer formed of a ferroelectric polymer having a low light transmittance, and, thus, a vibration level and a light transmittance of the touch sensitive device can be improved simultaneously.
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公开(公告)号：US09727157B2
公开(公告)日：2017-08-08
申请号：US14970154
申请日：2015-12-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Yong-Su Ham , SuSeok Choi , Taeheon Kim , YongWoo Lee , MyungJin Lim , Seulgi Choi
CPC classification number: G06F3/0412 , G06F3/016 , G06F3/0416 , G06F3/047 , G06F2203/04102 , G06F2203/04107
Abstract: A touch sensitive device, a display device including the touch sensitive device and a method of driving the same are discussed. The touch sensitive device can include an electroactive layer including an electroactive polymer; and one or more first electrodes and one or more second electrodes are disposed on only one surface of the electroactive layer, in which the first and the second electrodes include a conductive material. The first and the second electrodes of the touch sensitive device can be disposed only on one surface of the electroactive layer, a driving voltage of the touch sensitive device can be reduced and transmissivity can be improved.
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公开(公告)号：US20160188119A1
公开(公告)日：2016-06-30
申请号：US14979952
申请日：2015-12-28
Applicant: LG Display Co., Ltd
Inventor： Yong-Su Ham , SuSeok Choi , Taeheon Kim , YongWoo Lee , MyungJin Lim , Seulgi Choi
CPC classification number: G06F3/044 , G02B5/3083 , G02F1/0131 , G06F3/016 , G06F2203/04107 , H01L27/323 , H01L41/1132 , H01L41/193 , H01L41/47 , H01L51/5281
Abstract: Provided is a display device. The display device includes a display panel, a contact sensitive device on the display panel, and a linear polarizer on the contact sensitive device. The contact sensitive device includes an electro-active layer which is uniaxially elongated and configured to retard a phase of incident light. Since the display device includes the contact sensitive device having the electro-active layer configured to retard the phase of the incident light, a separate phase retardation film for suppressing external light reflection may be omitted. As a result, the thickness of the display device may be decreased and manufacturing cost of the display device may be reduced.
Abstract translation: 提供了一种显示装置。 显示装置包括显示面板，显示面板上的接触敏感装置以及接触敏感装置上的线性偏振器。 所述接触敏感装置包括单轴拉伸并被配置为延迟入射光相位的电活性层。 由于显示装置包括具有延迟入射光的相位的电活性层的接触敏感装置，因此可以省略用于抑制外部光反射的单独的相位延迟膜。 结果，显示装置的厚度可能降低，并且显示装置的制造成本可能降低。
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Patent Agency Ranking
公开(公告)号：US11447605B2
公开(公告)日：2022-09-20
申请号：US14983140
申请日：2015-12-29
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeheon Kim , SuSeok Choi , Yong-Su Ham , YongWoo Lee , MyungJin Lim , Seulgi Choi
IPC: G06F3/041 , B32B27/28 , G06F3/01 , B32B27/06 , B32B27/08 , C08G77/24 , C08J5/18 , C09D183/08 , C08L83/08 , C08L83/00 , B32B7/12 , C08K5/56 , C08G77/20 , C08G77/12 , C08G77/38
Abstract: Provided is a touch sensitive device including an electroactive film, a display device including the same, and a method of manufacturing the electroactive film. The touch sensitive device of the present disclosure includes an electroactive film including a siloxane polymer having a fluoro group or a chloro group bonded to a part of the backbone, and the electroactive film has a dielectric constant that is improved by 15% or more by elongation at an elongation rate of 100% or more.
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公开(公告)号：US10752737B2
公开(公告)日：2020-08-25
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：US10705613B2
公开(公告)日：2020-07-07
申请号：US15820204
申请日：2017-11-21
Applicant: LG Display Co., Ltd.
Inventor： Yong-Su Ham , Taeheon Kim , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho , MyungJin Lim
IPC: G06F3/01 , G06F3/041 , H01L41/047 , H01L41/193 , H01L41/113 , G02F1/1333 , G02F1/1335 , G02F1/1362 , G02F1/1368 , G06F3/044
Abstract: Provided is a display device. The display device includes a display panel, a vibration transfer layer, and a touch sensitive element. The vibration transfer layer is disposed under the display panel and has a plurality of openings. The touch sensitive element is disposed under the vibration transfer layer.
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公开(公告)号：US10459549B2
公开(公告)日：2019-10-29
申请号：US15822188
申请日：2017-11-26
Applicant: LG Display Co., Ltd.
Inventor： YuSeon Kho , YongWoo Lee , YongSu Ham , TaeHeon Kim , KyungYeol Ryu , MyungJin Lim , SeulGi Choi
IPC: G06F3/01 , G06F3/041 , C09D127/16 , H01L41/193
Abstract: The present disclosure related to 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 film which is formed of a polyvinylidene fluoride (PVDF) based polymer and a cyanide (CN) based polymer.
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20.发明授权公开(公告)号：US10133352B2
公开(公告)日：2018-11-20
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
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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