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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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43.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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44.发明申请公开(公告)号：US20250024206A1
公开(公告)日：2025-01-16
申请号：US18754438
申请日：2024-06-26
Applicant: LG Display Co., Ltd.
Inventor： HwaYoul LEE , Sooyoun KIM , YongWoo LEE , Uihyeon JEONG , Daesu KIM
IPC: H04R17/00 , H04R31/00 , H10N30/092 , H10N30/85
Abstract: A vibration device according to one or more example aspects of the present disclosure may comprise a first electrode layer, a second electrode layer, and a piezoelectric layer between the first electrode layer and the second electrode layer. The piezoelectric layer may include a plurality of grooves.
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公开(公告)号：US20240224807A1
公开(公告)日：2024-07-04
申请号：US18387095
申请日：2023-11-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Uihyeon JEONG , YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE
IPC: H10N30/853 , H10N30/053 , H10N30/067 , H10N30/20 , H10N30/50
CPC classification number: H10N30/853 , H10N30/053 , H10N30/067 , H10N30/20 , H10N30/50
Abstract: A piezoelectric material composition includes a first material, and a second material in the first material, wherein the piezoelectric material composition represented by (Equation 1) 0.96(NaaK1-a)(Nbb(Sb1-b))O3-(0.04-x)MZrO3-x(BicAg1-c)ZrO3+d mol % E, where 1, M denotes strontium (Sr), barium (Ba), or calcium (Ca), E denotes the second material, 0.40≤a≤0.60, 0.90≤b≤0.98, 0.30≤c≤0.70, 0.00
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Patent Agency Ranking
公开(公告)号：US20230395054A1
公开(公告)日：2023-12-07
申请号：US18451368
申请日：2023-08-17
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Yong-Su HAM , YongWoo LEE
CPC classification number: G10K9/122 , G06F1/1605 , G06F3/16
Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.
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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：US20230262380A1
公开(公告)日：2023-08-17
申请号：US18304790
申请日：2023-04-21
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , YongWoo LEE , SeongYong UHM , Sungwook KO , Uihyeon JEONG
Abstract: A vibration device enabling a large area and a display apparatus including the vibration device are provided. The vibration device may be configured to include a vibration array including a plurality of vibration modules which are spaced apart from one another by a first interval of less than 3 cm in a first direction.
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公开(公告)号：US20230049229A1
公开(公告)日：2023-02-16
申请号：US17978878
申请日：2022-11-01
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Yong-Su HAM , Taeheon Kim , Sung-Eui SHIN
IPC: H04R17/00 , H01L41/37 , H01L41/047 , H01L41/09 , H01L41/083 , H01L41/08
Abstract: A flexible vibration module is disclosed. The flexible vibration module includes a piezoelectric composite layer, including: a plurality of piezoelectric portions each having a piezoelectric characteristic, where at least two of the plurality of piezoelectric portions have different sizes; and a flexible portion between the plurality of piezoelectric portions.
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公开(公告)号：US20220199896A1
公开(公告)日：2022-06-23
申请号：US17559687
申请日：2021-12-22
Inventor： YongWoo LEE , Chiwan KIM , Yong-Su HAM , YuSeon KHO , Seunghyun SUNG , Sahn NAHM , Dae-Su KIM , Su-Hwan GO , Jae-Min EUM , Ho-Sung SHIN
IPC: H01L41/43 , H01L41/047
Abstract: Compositions are disclosed that comprise a piezoelectric material according to Chemical Formula 1: (1−y)(NaaK1-a)(Nb1-x,Sbx)-ySrZrO3+n mol % CuO, wherein 0.01≤y≤0.10, 0.4≤a≤0.6, 0≤x≤0.06, and 0.5≤n≤1.5. The compositions can further comprise a first material, and a second material surrounded by the first material. A piezoelectric device is also described, which includes a piezoelectric device layer including a composition of Chemical Formula 1, and having a first material layer and a second material layer surrounded by the first material layer; a first electrode part disposed on a first surface of the piezoelectric device layer; and a second electrode part disposed on a second surface facing the first surface.
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