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公开(公告)号：US20200027929A1
公开(公告)日：2020-01-23
申请号：US16511570
申请日：2019-07-15
Applicant: LG Display Co., Ltd.
Inventor： HwiDeuk LEE , Yangsik LEE
Abstract: A display apparatus includes a substrate having active and non-active areas; data lines and gate lines on the substrate; a driving line in the non-active area; a plurality of pixels connected to the data lines and the gate lines, each pixel including: a light emitting diode, and a driving transistor with the driving line under a cathode of the light emitting diode in the non-active area; a shield layer between the cathode and the driving line; an encapsulation layer on the cathode; a touch electrode on the encapsulation layer in the active area, and a touch line on the encapsulation layer to supply a touch signal to the touch electrode. The driving line is below the touch line in the non-active area. The encapsulation layer has a sloped surface, and the touch line is on the sloped surface such that the touch line has a corresponding slope.
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公开(公告)号：US20200027416A1
公开(公告)日：2020-01-23
申请号：US16510257
申请日：2019-07-12
Applicant: LG Display Co., Ltd.
Inventor： Jaeseung KIM , HwiDeuk LEE , Yangsik LEE
IPC: G09G3/36 , G02F1/1345 , G09G3/3208 , G06F3/041 , H01L29/786
Abstract: A display apparatus includes a substrate including an active area where a plurality of pixels is connected to gate lines and data lines intersecting with each other, and a non-active area where a plurality of lines for transmitting signals for driving the plurality of pixels is disposed; a touch signal generation circuit disposed on the non-active area, receiving a touch clock signal and outputting a touch driving signal; and a touch sensor part receiving the touch driving signal and generating touch information on a touch point at the active area.
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公开(公告)号：US20190131354A1
公开(公告)日：2019-05-02
申请号：US16175307
申请日：2018-10-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Yangsik LEE , JiHyun JUNG , SuChang AN , JaeGyun LEE , Ruda RHE
Abstract: According to the various embodiments of the present disclosure, provided are a display device and a method of the same including a substrate including a display area and a pad area applying a signal to the display area, and an encapsulation layer disposed in the display area and including a first inorganic film, a second inorganic film disposed on the first inorganic film, and a first organic film disposed between the first inorganic film and the second inorganic film. The display device further includes a touch buffer layer disposed on the encapsulation layer, and a touch sensing unit disposed on the touch buffer layer, and including a touch sensor in which at least one inorganic film of the first inorganic film and the second inorganic film is disposed on a part of the pad area and a touch buffer layer is disposed on the at least one inorganic film.
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公开(公告)号：US20190121474A1
公开(公告)日：2019-04-25
申请号：US16037727
申请日：2018-07-17
Applicant: LG DISPLAY CO., LTD.
Inventor： JaeGyun LEE , Yangsik LEE
IPC: G06F3/041 , G06F3/044 , G06F3/047 , H01L27/32 , H01L51/52 , G09G3/3266 , G09G3/3291
Abstract: A touch display device can include a panel including a plurality of touch electrodes including a first touch electrode and a second touch electrode, the first touch electrode being adjacent to and electrically isolated from the second touch electrode; a touch sensing circuit configured to drive the panel to sense a touch or a touch position; and at least one external dummy metal disposed in a boundary region between the first touch electrode and the second touch electrode, in which the at least one external dummy metal is spaced apart from and electrically isolated from the first and second touch electrodes.
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公开(公告)号：US20180348948A1
公开(公告)日：2018-12-06
申请号：US15813040
申请日：2017-11-14
Applicant: LG Display Co., Ltd.
Inventor： Yangsik LEE , KwangJo HWANG , JiHyun JUNG , DeukSu LEE , SuChang AN , JaeGyun LEE , Ruda RHE
Abstract: An embodiment disclosed herein provides a sensing unit that senses a touch corresponding to a capacitance formed by a first electrode and a second electrode. The first electrode includes a first driving electrode pattern and a first sensing electrode pattern, the first sensing electrode pattern being disposed in the first driving electrode pattern, the second electrode includes a second driving electrode pattern and a second sensing electrode pattern, the second driving electrode pattern being disposed in the second sensing electrode pattern. A first capacitive coupling is formed corresponding to the first touch electrode and the first sensing electrode, a second capacitive coupling is formed corresponding to the second driving electrode and the second sensing electrode, and a third capacitive coupling is formed corresponding to the first touch electrode and the second sensing electrode.
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Patent Agency Ranking
公开(公告)号：US20180348929A1
公开(公告)日：2018-12-06
申请号：US15807280
申请日：2017-11-08
Applicant: LG DISPLAY CO., LTD.
Inventor： Ruda RHE , KwangJo HWANG , JiHyun JUNG , DeukSu LEE , SuChang AN , JaeGyun LEE , Yangsik LEE
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416 , G06F2203/04112
Abstract: The present embodiments generally relate to a display panel and a display device which may recognize touch. A display panel is provided in which a touch sensor and a touch line are disposed in an active area in which a part of an outer edge of the touch line is curved to correspond to a curved shape of the active area in the display panel so that the touch sensing is allowed in display panels having various shapes. Further, a touch display device is provided in which an open area is located between two adjacent touch lines disposed on the display panel so that touch sensing is allowed also in the display panel including an open area such as a hole or a notch.
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公开(公告)号：US20180348906A1
公开(公告)日：2018-12-06
申请号：US15822464
申请日：2017-11-27
Applicant: LG Display Co., Ltd.
Inventor： KwangJo HWANG , DeukSu LEE , JaeGyun LEE , Yangsik LEE
IPC: G06F3/044
CPC classification number: G06F3/044 , G06F2203/04112
Abstract: A touch display device and a touchscreen panel. Even in the case in which touch electrodes have different sizes or shapes or a located in different positions, a difference in capacitance is not formed among the touch electrodes. High touch sensitivity can be obtained. The touch display device comprises a plurality of touch electrodes, wherein a first touch electrode of the plurality of touch electrodes occupies a first area and comprises first mesh-shaped electrode metal. The touch display device comprises first dummy metal in a same layer as the first mesh-shaped electrode metal and in the first area occupied by the first touch electrode, the first dummy metal being electrically disconnected from the first mesh-shaped electrode metal.
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公开(公告)号：US20160070145A1
公开(公告)日：2016-03-10
申请号：US14568419
申请日：2014-12-12
Applicant: LG Display Co., Ltd.
Inventor： Yangsik LEE , Jihyun JUNG , Jaegyun LEE , Ruda RHE , Hyangmyoung GWON
IPC: G02F1/1343 , G02F1/1362 , G02F1/1368
CPC classification number: G02F1/134309 , G02F1/13439 , G02F1/136286 , G02F1/1368 , G02F2001/133302 , G02F2001/13606 , G02F2001/136295 , G02F2201/121 , G02F2201/123 , G09G3/3614 , G09G3/3648 , G09G2310/08 , G09G2320/0247 , G09G2320/0257 , G09G2330/021 , H01L27/124 , H01L27/1259
Abstract: A liquid crystal display is provided which can avoid degradation of picture quality by preventing deviations in parasitic capacitance between a data line and a pixel electrode. The liquid crystal display includes data lines and gate lines, compensation patterns covering the data lines, thin film transistors disposed at regions neighbored to crossings of the data and gate lines, pixel electrodes disposed in pixel regions defined by the crossings and respectively connected to the thin film transistors; and a common electrode disposed to overlap the pixel electrodes, One edge of each of the compensation patterns is spaced apart from the pixel electrodes by a predetermined distance.
Abstract translation: 提供了一种通过防止数据线和像素电极之间的寄生电容的偏差来避免画面质量下降的液晶显示器。 液晶显示器包括数据线和栅极线，覆盖数据线的补偿图案，设置在与数据和栅极线交叉的邻近区域的薄膜晶体管，设置在由交叉点限定并分别连接到薄片的像素区域中的像素电极 薄膜晶体管; 以及配置为与像素电极重叠的公共电极，每个补偿图案的一个边缘与像素电极间隔预定距离。
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公开(公告)号：US20210382572A1
公开(公告)日：2021-12-09
申请号：US17306427
申请日：2021-05-03
Applicant: LG Display Co., Ltd.
Inventor： Yangsik LEE , HwiDeuk LEE , Sungsu HAN
Abstract: Embodiments of the present disclosure are related to a touch display device, by implementing a touch routing line using a part of a display electrode metal disposed in a non-active area of a display panel, the non-active area is reduced, and the touch routing line can be disposed while preventing an increase of a load of the touch routing line. Furthermore, by connecting the touch routing line implemented with the display electrode metal under an encapsulation layer to a touch electrode on the encapsulation layer through a connecting metal located under a dam, the touch routing line can be disposed under the encapsulation layer without dropping a function of the encapsulation layer for reducing moisture permeation.
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公开(公告)号：US20210335898A1
公开(公告)日：2021-10-28
申请号：US17370636
申请日：2021-07-08
Applicant: LG DISPLAY CO., LTD.
Inventor： Yangsik LEE , JiHyun JUNG , SuChang AN , JaeGyun LEE , Ruda RHE
Abstract: A display device includes a substrate including a display area and a pad area; a thin film transistor in the display area; a light emitting film layer on the thin film transistor; an encapsulation layer on the light emitting film layer; a touch buffer layer on the encapsulation layer; a bridge, first touch electrodes and second touch electrodes disposed on the touch buffer layer; a touch insulating film disposed between the bridge and the first touch electrodes and the second touch electrodes; a touch pad in the pad area; a touch sensing line connected to the first touch electrodes; and a touch driving line connected to the second touch electrodes, wherein at least one of the touch sensing line and the touch driving line is provided on a side surface of the encapsulation layer.
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