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公开(公告)号：US20220208115A1
公开(公告)日：2022-06-30
申请号：US17526491
申请日：2021-11-15
申请人： LG Display Co., Ltd.
发明人： Sangkyu Kim , Jaekyeong Yun
IPC分类号： G09G3/3275 , G09G3/3266
摘要： A display device including a gate driver configured to apply gate signals to a plurality of gate lines; a data driver configured to apply data signals and a reference voltage to a plurality of data lines; and a display panel including a plurality of unit pixels, each unit pixel including a plurality of subpixels emitting different colors. Further, a first data line of the plurality of data lines is connected to a first subpixel and a second subpixel in a first unit pixel, and a second data line of the plurality of data lines is connected to the first subpixel and a third subpixel in the first unit pixel.
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公开(公告)号：US11003265B2
公开(公告)日：2021-05-11
申请号：US15796386
申请日：2017-10-27
申请人： LG DISPLAY CO., LTD.
发明人： Jaegyun Lee , Jihyun Jung , Buyeol Lee , Sangkyu Kim , Ruda Rhe , Hyangmyoung Gwon
摘要： Disclosed herein is a touch sensor integrated type electroluminescent display device having a plurality of gate lines and data lines crossing over each other; a plurality of pixel electrodes to which data signals are supplied through the plurality of data lines; and a touch electrode configured to overlap the plurality of pixel electrodes, wherein a touch driving signal is supplied to the touch electrode and then a touch position is detected from sensing the touch electrode.
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公开(公告)号：US10890995B2
公开(公告)日：2021-01-12
申请号：US16172422
申请日：2018-10-26
申请人： LG DISPLAY CO., LTD.
发明人： JaeGyun Lee , Sangkyu Kim
IPC分类号： G06F3/041 , G09G3/3208 , H01L27/32 , G06F3/044
摘要： The present disclosure relates to a display device capable of providing a touch sensor structure which is resistant to noise of a display driving electrode/line such as a data line, by designing the display device such that a sensing touch line does not overlap a data line in an area where a cathode is not formed.
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公开(公告)号：US10775924B2
公开(公告)日：2020-09-15
申请号：US16408010
申请日：2019-05-09
申请人： LG DISPLAY CO., LTD.
发明人： Seungrok Shin , Deuksu Lee , Sangkyu Kim , Jaegyun Lee , Taeyun Kim
IPC分类号： G06F3/041 , G09G3/3266 , G02F1/1362 , G06F3/044 , G02F1/1333 , G09G3/3275 , G09G3/36 , H01L27/32
摘要： A display device can include an organic light emitting layer positioned between an anode electrode and a cathode electrode; an encapsulation layer disposed on the organic emission layer to protect the organic emission layer; a touch layer disposed on the sealing layer, the touch layer having a plurality of touch sensors configured to be driven according to a touch driving signal; a ground modulation signal generator configured to generate a ground modulation signal having a same amplitude as an amplitude of the touch driving signal; and a driving voltage supply configured to generate a modulated driving voltage based on the ground modulation signal, and apply the modulated driving voltage to a driving voltage supply line in synchronization with the touch driving signal within a same display frame.
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公开(公告)号：US09983720B2
公开(公告)日：2018-05-29
申请号：US14979957
申请日：2015-12-28
申请人： LG Display Co., Ltd.
发明人： SeungRok Shin , Sangkyu Kim , Jeonghoon Lee , Jeonghoon Lee
CPC分类号： G06F3/0416 , G06F3/0412 , G06F3/044 , G09G3/20 , G09G2310/08 , G09G2320/0261 , G09G2340/0435
摘要： A disclosed touchscreen display device includes a display panel with data lines, gate lines, and N×M subpixels arranged in a matrix of N subpixel rows and M subpixel columns, and respectively connected to the corresponding data lines and the corresponding gate lines, where N and M are each a natural number greater than or equal to 2. The display device also includes touch electrodes. The display device is configured to provide a scanning signal to the gate lines connected to the N subpixel rows in a first sequence during an ith frame and in a second sequence different from the first sequence during an (i+1)th frame, where i is a positive integer. Each of the ith frame and the (i+1)th frame is configured to include at least one display driving mode section and at least one touch driving mode section.
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公开(公告)号：US11768559B2
公开(公告)日：2023-09-26
申请号：US17842250
申请日：2022-06-16
申请人： LG Display Co., Ltd.
发明人： SeungRok Shin , Sangkyu Kim , DeukSu Lee
CPC分类号： G06F3/04166 , G06F3/0412 , G06F3/04164 , G06F3/0446
摘要： A touch display device and a touch driving circuit are configured to drive at least one of the plurality of first touch electrode lines disposed in a first area with a first touch driving signal having a first touch driving frequency, and drive at least one of the plurality of second touch electrode lines disposed in a second area with a second touch driving signal having a second touch driving frequency that is different from the first touch driving frequency. Each of the first touch driving frequency and the second touch driving frequency is different from a display driving frequency related to display driving. to the touch display device reduces the influence of noise, increases the signal-to-noise ratio, and reduces the influence of driving the display, thereby improving the touch sensitivity.
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公开(公告)号：US10312297B2
公开(公告)日：2019-06-04
申请号：US15391772
申请日：2016-12-27
申请人： LG Display Co., Ltd.
发明人： JaeGyun Lee , JiHyun Jung , SuChang An , Sangkyu Kim , Hyangmyoung Gwon , Yangsik Lee
摘要： Disclosed is an organic light emitting display device and a touch sensing method for the same. The organic light emitting display device includes a first driving electrode disposed on a portion of a first area of a display device, a second driving electrode disposed on a portion of a second area of the display device and connected to the first driving electrode, a first sensing electrode disposed on another portion of the first area and configured to correspond to the first driving electrode, and a second sensing electrode disposed on another portion of the second area and configured to correspond to the second driving electrode. An organic light emitting display device in which a thinner thickness is implemented and calculation of a touch point is performed more quickly by effectively transmitting a driving signal and a touch sensing method for the same is provided.
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公开(公告)号：US20160188097A1
公开(公告)日：2016-06-30
申请号：US14979957
申请日：2015-12-28
申请人： LG Display Co., Ltd.
发明人： SeungRok Shin , Sangkyu Kim , Jeonghoon Lee , Jeonghoon Lee
CPC分类号： G06F3/0416 , G06F3/0412 , G06F3/044 , G09G3/20 , G09G2310/08 , G09G2320/0261 , G09G2340/0435
摘要： A disclosed touchscreen display device includes a display panel with data lines, gate lines, and N×M subpixels arranged in a matrix of N subpixel rows and M subpixel columns, and respectively connected to the corresponding data lines and the corresponding gate lines, where N and M are each a natural number greater than or equal to 2. The display device also includes touch electrodes. The display device is configured to provides a scanning signal to the gate lines connected to the N subpixel rows in a first sequence during an ith frame and in a second sequence different from the first sequence during an (i+1)th frame, where i is a positive integer. Each of the ith frame and the (i+1)th frame is configured to include at least one display driving mode section and at least one touch driving mode section.
摘要翻译： 所公开的触摸屏显示装置包括具有数据线，栅极线和N×M子像素的显示面板，N×M子像素排列成N个子像素行和M个子像素列的矩阵，并且分别连接到对应的数据线和相应的栅极线，其中N M分别为大于或等于2的自然数。显示装置还包括触摸电极。 显示装置被配置为在第（i + 1）帧期间在第i帧期间和在与第一序列不同的第二序列中以第一序列提供连接到N个子像素行的栅极线的扫描信号，其中i 是一个正整数。 第i帧和第（i + 1）帧中的每一帧被配置为包括至少一个显示驱动模式部分和至少一个触摸驱动模式部分。
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公开(公告)号：US11703982B2
公开(公告)日：2023-07-18
申请号：US17115531
申请日：2020-12-08
申请人： LG Display Co., Ltd.
发明人： JaeGyun Lee , Sangkyu Kim
IPC分类号： G06F3/044 , G09G3/3208 , G06F3/041 , H10K59/40 , H10K59/131
CPC分类号： G06F3/044 , G06F3/0412 , G06F3/0446 , G06F3/04164 , G09G3/3208 , H10K59/131 , H10K59/40 , G09G2300/0426
摘要： Discussed is a display device including an active area and a non-active area, a light emitting element including an anode electrode, a cathode electrode, and a light emitting layer, gate lines disposed in the active area and arranged in a first direction, data lines disposed in the active area and arranged in a second direction, data link lines connected to the data lines, an encapsulation layer on the cathode electrode, and including an organic layer and an inorganic layer, a touch sensor on the encapsulation layer, and including driving touch electrodes arranged in the first direction as the data lines, and sensing touch electrodes arranged in the second direction as the gate lines, driving touch lines connected to the driving touch electrodes, and overlapping with a first portion of the cathode electrode in the non-active area and sensing touch lines connected to the sensing touch electrodes.
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公开(公告)号：US11626079B2
公开(公告)日：2023-04-11
申请号：US17526491
申请日：2021-11-15
申请人： LG Display Co., Ltd.
发明人： Sangkyu Kim , Jaekyeong Yun
IPC分类号： G09G3/3266 , G09G3/3275
摘要： A display device including a gate driver configured to apply gate signals to a plurality of gate lines; a data driver configured to apply data signals and a reference voltage to a plurality of data lines; and a display panel including a plurality of unit pixels, each unit pixel including a plurality of subpixels emitting different colors. Further, a first data line of the plurality of data lines is connected to a first subpixel and a second subpixel in a first unit pixel, and a second data line of the plurality of data lines is connected to the first subpixel and a third subpixel in the first unit pixel.
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