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公开(公告)号：US20170192509A1
公开(公告)日：2017-07-06
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
IPC: G06F3/01 , B32B27/30 , H01L27/32 , G06F3/041 , G02F1/1333
CPC classification number: G06F3/016 , B32B27/304 , B32B2307/20 , B32B2307/418 , B32B2457/208 , G02F1/13338 , G06F3/041 , G06F3/0412 , G06F3/0416 , H01L27/323 , H01L41/1132 , H01L41/193 , H01L41/22 , H01L41/253
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：US20160179260A1
公开(公告)日：2016-06-23
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.
Abstract translation: 讨论了触敏装置，包括触敏装置的显示装置及其驱动方法。 触敏装置可以包括电活性层，其包括电活性聚合物; 并且一个或多个第一电极和一个或多个第二电极仅设置在电活性层的仅一个表面上，其中第一和第二电极包括导电材料。 触敏装置的第一和第二电极只能设置在电活性层的一个表面上，可以降低触敏装置的驱动电压并提高透射率。
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公开(公告)号：US20230422625A1
公开(公告)日：2023-12-28
申请号：US18242508
申请日：2023-09-05
Inventor： Taeheon KIM , Sahn Nahm , YongGyoon JANG , Jonghyun KIM , Ku-Tak LEE , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Seok-June Chae
IPC: H10N30/853 , G06F3/041 , G10K9/122 , G06F1/16 , G06F3/01
CPC classification number: H10N30/8542 , G06F3/0412 , G06F3/016 , G06F1/1605 , 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.-
公开(公告)号：US20220406989A1
公开(公告)日：2022-12-22
申请号：US17893881
申请日：2022-08-23
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 , G10K9/122 , G06F1/16 , G06F3/01
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：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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Patent Agency Ranking
公开(公告)号：US20200154185A1
公开(公告)日：2020-05-14
申请号：US16662690
申请日：2019-10-24
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 , H01L41/193 , H01L27/20 , H01L41/053
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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27.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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