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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
Applicant: LG Display Co., Ltd.
Inventor： Sangkyu Kim , Jaekyeong Yun
IPC: G09G3/3275 , G09G3/3266
Abstract: 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
Applicant: LG DISPLAY CO., LTD.
Inventor： Jaegyun Lee , Jihyun Jung , Buyeol Lee , Sangkyu Kim , Ruda Rhe , Hyangmyoung Gwon
Abstract: 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
Applicant: LG DISPLAY CO., LTD.
Inventor： JaeGyun Lee , Sangkyu Kim
IPC: G06F3/041 , G09G3/3208 , H01L27/32 , G06F3/044
Abstract: 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
Applicant: LG DISPLAY CO., LTD.
Inventor： Seungrok Shin , Deuksu Lee , Sangkyu Kim , Jaegyun Lee , Taeyun Kim
IPC: G06F3/041 , G09G3/3266 , G02F1/1362 , G06F3/044 , G02F1/1333 , G09G3/3275 , G09G3/36 , H01L27/32
Abstract: 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
Applicant: LG Display Co., Ltd.
Inventor： SeungRok Shin , Sangkyu Kim , Jeonghoon Lee , Jeonghoon Lee
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G09G3/20 , G09G2310/08 , G09G2320/0261 , G09G2340/0435
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20230004253A1
公开(公告)日：2023-01-05
申请号：US17840041
申请日：2022-06-14
Applicant: LG Display Co., Ltd.
Inventor： SeungRok Shin , Sangkyu Kim , DeukSu Lee
Abstract: The disclosure is related to a touch display device, a shield electrode separated from a common electrode of a light-emitting element can be disposed on an area overlapping a touch electrode under an encapsulation layer, and a shield driving signal corresponding to a signal supplied to the touch electrode can be supplied to the shield electrode. Thus, the shield electrode prevents or at least reduces formation of a parasitic capacitance between an electrode or a signal line for a display driving and the touch electrode, and a touch detection performance can be improved by implementing a noise blocking function by the shield electrode.
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公开(公告)号：US10824271B2
公开(公告)日：2020-11-03
申请号：US15791796
申请日：2017-10-24
Applicant: LG Display Co., Ltd.
Inventor： Taeyun Kim , Deuksu Lee , Sangkyu Kim
Abstract: Disclosed is a display device having touch sensors and a driving method thereof, and the display device includes an integrated circuit (IC) having a data driver and a touch sensor driver. The display device prevents malfunction of the touch sensor driver by separating at least one of power for the data driver and the touch sensor driver.
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公开(公告)号：US20200091259A1
公开(公告)日：2020-03-19
申请号：US16567836
申请日：2019-09-11
Applicant: LG Display Co., Ltd.
Inventor： Jeonphill HAN , Jiheun Lee , Sangkyu Kim
IPC: H01L27/32
Abstract: The present disclosure provides an organic light-emitting display device having a plurality of pixels arranged along first and second directions that intersect each other. Each of the pixels includes: a transistor; at least one insulating layer on the transistor, and a pixel contact hole extends through the insulating layer and exposes part of the transistor; a first electrode on the at least one insulating layer and connected to the transistor via the pixel contact hole; and a filling layer on the first electrode and filling the pixel contact hole. A first bank has a plurality of first openings, and each of the first openings exposes at least one of the first electrodes. A second bank has a plurality of second openings, and each of the second openings exposes a plurality of the first electrodes arranged along the second direction.
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公开(公告)号：US10360852B2
公开(公告)日：2019-07-23
申请号：US15635364
申请日：2017-06-28
Applicant: LG DISPLAY CO., LTD.
Inventor： Sangkyu Kim , Sangpyo Hong
IPC: G09G3/32 , G09G3/3258 , G09G3/3266 , G09G3/3275
Abstract: An organic light-emitting display organic light-emitting display includes a display panel having a plurality of pixels, a plurality of data lines that are connected to the pixels, and a plurality of gate lines that are connected to the pixels; and a data drive circuit having a plurality of digital-to-analog converters configured to generate an image data voltage and a sensing data voltage to be applied to the pixels, a plurality of sensing units configured to sense an organic light-emitting diode (OLED) operating point voltage of the pixels, and a plurality of connecting switches configured to selectively connect the digital-to-analog converters and the sensing units to the data lines.
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10.发明授权公开(公告)号：US10318035B2
公开(公告)日：2019-06-11
申请号：US15816333
申请日：2017-11-17
Applicant: LG Display Co., Ltd.
Inventor： Jaegyun Lee , Jihyun Jung , Sangkyu Kim , Seungrok Shin , Jeonghoon Lee
Abstract: A touch sensor integrated type display device includes gate lines and data lines disposed to cross over each other, pixel electrodes respectively disposed in areas defined by the crossing of the gate lines and the data lines in an active area, 1-1 electrodes arranged in at least two rows and at least two columns in the active area, 1-2 electrodes positioned outside the 1-1 electrodes and extending from the active area to a bezel area, and first routing wires respectively connected to the 1-1 and 1-2 electrodes and arranged in parallel. Each gate line extends from the active area to the bezel area on opposite sides of the active area, and each data line extends from the active area to the bezel area on opposite sides of the active area crossing the gate line.
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