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公开(公告)号：US20210160622A1
公开(公告)日：2021-05-27
申请号：US17169056
申请日：2021-02-05
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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22.发明申请公开(公告)号：US20190250763A1
公开(公告)日：2019-08-15
申请号：US16396212
申请日：2019-04-26
Applicant: LG DISPLAY CO., LTD.
Inventor： Seulgi CHOI , Yong-Su HAM , Taeheon KIM , YongWoo LEE , YuSeon KHO , MyungJin LIM
IPC: G06F3/041 , H01L41/047 , G06F3/01 , H01L41/09 , H01L41/253 , H01L41/193 , H01L41/113 , H01L41/45
CPC classification number: G06F3/0416 , C08J9/26 , C08J2201/0464 , C08J2353/00 , G06F3/016 , G06F3/041 , G06F2203/04103 , H01L41/0477 , H01L41/09 , H01L41/1132 , H01L41/193 , H01L41/253 , H01L41/45
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：US20180150169A1
公开(公告)日：2018-05-31
申请号：US15824646
申请日：2017-11-28
Applicant: LG DISPLAY CO., LTD.
Inventor： Kyungyeol RYU , Yong-Su HAM , Taeheon KIM , YongWoo LEE , YuSeon KHO , MyungJin LIM , Seulgi CHOI
CPC classification number: G06F3/0412 , C08F20/38 , C08F2220/382 , C09D127/16 , H01L41/1132 , H01L41/18 , H01L41/193 , C08L33/14
Abstract: The present disclosure relates to a touch sensitive element and a display device including the same. According to an exemplary embodiment of the present disclosure, the touch sensitive element includes an electroactive film which is formed of a fluorine based terpolymer and a polymer represented by Chemical Formula 1, wherein R is an ethyl group or a methyl group, and n is an integer of 1 or larger.
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公开(公告)号：US20170192508A1
公开(公告)日：2017-07-06
申请号：US15391077
申请日：2016-12-27
Applicant: LG Display Co., Ltd.
Inventor： MyungJin LIM , CheolSe KIM , Yong-Su HAM , Taeheon KIM , YongWoo LEE , YuSeon KHO , Seulgi CHOI
CPC classification number: G06F3/016 , G06F3/0412 , G06F3/0416 , G06F3/044 , G06F2203/04112
Abstract: Provided are a display device and a method of driving the same. The display device includes: a touch sensitive element having an electroactive layer and a plurality of electrodes disposed on at least one of a top surface and a bottom surface of the electroactive layer; a display panel disposed under the touch sensitive element; and a touch sensor disposed under the touch sensitive element and having a plurality of touch electrodes, and each of the plurality of electrodes of the touch sensitive element overlaps with one touch electrode from among the plurality of touch electrodes in a one to one correspondence.
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公开(公告)号：US20160190428A1
公开(公告)日：2016-06-30
申请号：US14979769
申请日：2015-12-28
Applicant: LG DISPLAY CO., LTD.
Inventor： MyungJin LIM , SuSeok CHOI , Yong-Su HAM , Taeheon KIM , YongWoo LEE , Seulgi CHOI
IPC: H01L41/083 , H01L41/04 , H05K1/02 , H05K5/00
CPC classification number: H01L41/083 , G06F1/1652 , G06F3/016 , G09F9/301 , H01L41/042 , H01L41/0926 , H01L41/193 , H01L41/277 , H05K1/028 , H05K5/0017 , H05K2201/05
Abstract: Provided is a multilayer actuator and a display device comprising the same with improved driving displacement that includes, for example, a plurality of electroactive layers, wherein the electroactive layers comprise a ferroelectric polymer, and polarization directions of all electroactive layers are substantially the same.
Abstract translation: 提供了一种多层致动器和包括具有改进的驱动位移的显示装置，其包括例如多个电活性层，其中电活性层包括铁电聚合物，并且所有电活性层的偏振方向基本上相同。
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Patent Agency Ranking
26.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：US20250119694A1
公开(公告)日：2025-04-10
申请号：US18907304
申请日：2024-10-04
Applicant: LG Display Co., Ltd.
Inventor： Yong-Su HAM , SeungRyull PARK , Chiwan KIM
Abstract: A vibration apparatus may comprise a vibration member, and a vibration element configured to vibrate the vibration member and including a vibration part. The vibration part includes a piezoelectric material and an electrostrictive material. The electrostrictive material includes materials repressed by Equations 1 and 2 below. (PbA-BCB)(Mg1/3Nb2/3)aO3 [Equation 1] (PbA-BCB)(D1/3E2/3)bO3 [Equation 2].
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公开(公告)号：US20250016506A1
公开(公告)日：2025-01-09
申请号：US18750118
申请日：2024-06-21
Applicant: LG Display Co., Ltd.
Inventor： YoungWook HA , Chiwan KIM , Yong-Su HAM
Abstract: A vibration apparatus may include a vibration generating part including a plurality of vibration parts and a connection layer between the plurality of vibration parts, and the connection layer may include a glass frit.
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公开(公告)号：US20240260311A1
公开(公告)日：2024-08-01
申请号：US18634934
申请日：2024-04-13
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Yong-Su HAM , YongWoo LEE
IPC: H10K59/00 , G06F3/01 , H10K50/842 , H10N30/20
CPC classification number: H10K59/00 , G06F3/016 , H10K50/8426 , H10N30/204
Abstract: A display apparatus includes a display panel configured to display an image, a film actuator configured to vibrate the display panel, and a partition configured to surround the film actuator. The film actuator may include a plurality of vibration generating devices configured with a composite film. The plurality of vibration generating devices may be configured to have different expansion coefficients. The composite film may include a plurality of vibration portions configured to have a piezoelectric characteristic and a plurality of expansion portions configured to have flexibility and overlap with the plurality of vibration portions.
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公开(公告)号：US20240260310A1
公开(公告)日：2024-08-01
申请号：US18634933
申请日：2024-04-13
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Yong-Su HAM , YongWoo LEE
IPC: H10K59/00 , G06F3/01 , H10K50/842 , H10N30/20
CPC classification number: H10K59/00 , G06F3/016 , H10K50/8426 , H10N30/204
Abstract: A display apparatus includes a display panel configured to display an image and a film actuator configured to vibrate the display panel. The film actuator may include a plurality of vibration generating devices configured with a composite film. The plurality of vibration generating devices may be configured to have different expansion coefficients. The composite film may include a plurality of vibration portions configured to have a piezoelectric characteristic and a plurality of expansion portions configured to have flexibility and overlap with the plurality of vibration portions.
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