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公开(公告)号：US11977697B2
公开(公告)日：2024-05-07
申请号：US17977882
申请日：2022-10-31
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , JaeHee Park , MiReum Lee
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may detect a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of pixels provided in the non-transmissive area, including a plurality of subpixels, a plurality of driving transistors respectively connected to the plurality of subpixels, a plurality of touch transistors respectively connected to the plurality of touch sensors, and a reference line applying a reference voltage to the plurality of driving transistors in accordance with a control signal or transferring a voltage of each of the plurality of touch sensors to an analog-to-digital converter through the plurality of touch transistors.
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公开(公告)号：US10714548B2
公开(公告)日：2020-07-14
申请号：US16223980
申请日：2018-12-18
Applicant: LG DISPLAY CO., LTD.
Inventor： Dohyung Kim , Jonghyeok Im , Jaesung Lee , Seungwon Yoo
Abstract: An organic light-emitting display device can include a low-level voltage line that receives a low-level voltage, a plurality of insulating layers that lie over the low-level voltage line, an auxiliary electrode that lies on the insulating film layer and is formed through the insulating film layer and electrically connected to the low-level voltage line, a bank layer that lies over the auxiliary electrode and defines a light-emitting area where the organic light-emitting diode is located, and a cathode of the organic light-emitting diode that lies on the bank layer and at least makes contact with the side of the auxiliary electrode.
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公开(公告)号：US10476034B2
公开(公告)日：2019-11-12
申请号：US15167692
申请日：2016-05-27
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , SeJune Kim
Abstract: A reflective display device provided with an optical layer which is capable of improving adhesion between a substrate and a reflective layer and controlling a color of reflected light is disclosed. The reflective display device includes first and second substrates facing each other, each of which includes a display area and a reflective area; a display element provided in the display area; a reflective layer provided in the reflective area and arranged on one surface of the second substrate to reflect incident light; and an optical layer arranged between the second substrate and the reflective layer.
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公开(公告)号：US12056312B2
公开(公告)日：2024-08-06
申请号：US17976585
申请日：2022-10-28
Applicant: LG Display Co., Ltd.
Inventor： MiReum Lee , JaeHee Park , Jonghyeok Im
CPC classification number: G06F3/0418 , G06F3/0412 , G06F3/04164 , G06F3/0443
Abstract: Disclosed is a display device comprising a substrate including a display area and a non-display area surrounding the display area, a plurality of signal link lines disposed in the non-display area of the substrate and configured to connect a plurality of signal lines of the display area to a pad portion configured to receive an external signal, a plurality of touch link lines disposed in the non-display area, overlapped with at least some of the plurality of signal link lines and configured to connect the pad portion to a plurality of touch lines in the display area, and a compensation pattern based on an overlap between at least one of the plurality of signal link lines and at least one of the plurality of touch link line corresponding to at least one of the plurality of touch lines.
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公开(公告)号：US11886653B2
公开(公告)日：2024-01-30
申请号：US17977878
申请日：2022-10-31
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , JaeHee Park , MiReum Lee
IPC: G06F3/041 , G06F3/044 , H10K59/40 , H10K59/124 , H10K59/126
CPC classification number: G06F3/0412 , G06F3/0418 , G06F3/0443 , G06F3/04164 , H10K59/124 , H10K59/126 , H10K59/40 , G06F2203/04103 , G06F2203/04111
Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may repair a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, including a plurality of light emission areas, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of touch lines provided in the non-transmissive area and extended in a first direction, a plurality of touch bridge lines provided in the non-transmissive area over the substrate and extended in a second direction to be connected to one of the plurality of touch lines, and a plurality of touch connection portions connecting the plurality of touch bridge lines with the plurality of touch sensors, including a high resistance line.
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Patent Agency Ranking
公开(公告)号：US20230195253A1
公开(公告)日：2023-06-22
申请号：US17977930
申请日：2022-10-31
Applicant: LG Display Co., Ltd.
Inventor： JaeHee Park , MiReum Lee , Jonghyeok Im
CPC classification number: G06F3/04164 , H01L27/323 , G06F3/0446 , G06F3/0412
Abstract: A transparent display device with a touch sensor is provided, which may minimize loss of light transmittance due to a touch sensor and a touch line, and may improve uniformity of parasitic capacitance between touch lines. The transparent display device with a touch sensor comprises a substrate provided with a transmissive area and a non-transmissive area, a touch sensor provided in the transmissive area over the substrate, including a touch sensor electrode, a pixel provided in the non-transmissive area over the substrate, including a plurality of light emitting elements comprised of an anode electrode, a light emitting layer and a cathode electrode, a first signal line extended from the non-transmissive area in a first direction, a first touch line provided between the first signal line and the transmissive area, and a second touch line provided between the first touch line and the transmissive area. The first touch line is disposed to have a first spaced distance from the first signal line, the second touch line is disposed to have a second spaced distance from the first touch line, and the first spaced distance may be greater than the second spaced distance.
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公开(公告)号：US11581387B2
公开(公告)日：2023-02-14
申请号：US16990617
申请日：2020-08-11
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , Hyoung-Su Kim , Gyungmin Kim
Abstract: A display device includes a substrate provided with a plurality of pixels, a circuit element layer provided on the substrate and provided with an auxiliary electrode, an insulating layer provided on the circuit element layer and provided with a plurality of connection electrodes spaced apart from one another and a first trench, a fence structure provided on the plurality of connection electrodes, an organic light emitting layer provided on the fence structure, and a second electrode arranged on the organic light emitting layer, wherein the plurality of connection electrodes are electrically connected with the auxiliary electrode, at least one of the plurality of connection electrodes is exposed from the first trench, and the second electrode is in contact with a connection electrode exposed from the first trench. Therefore, a luminance difference between an outer portion of a panel and a center portion of the panel may be reduced.
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公开(公告)号：US11538874B2
公开(公告)日：2022-12-27
申请号：US17119647
申请日：2020-12-11
Applicant: LG Display Co., Ltd.
Inventor： Hyoung-Su Kim , Jonghyeok Im , Gyungmin Kim
IPC: G09G3/32 , H01L27/32 , G09G3/3266 , G09G3/3275 , H04N5/225 , H04M1/02
Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area having a transparent area and an opaque area, and a non-display area. A gate driver is configured to sequentially supply a gate pulse to a plurality of gate lines included in the organic light emitting display panel. An initialization circuit is configured to transfer gate pulses or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera is configured to photograph a region in a forward direction with respect to the organic light emitting display panel, and the camera may be provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area may differ from a second pixel driving circuit provided in the opaque area.
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公开(公告)号：US11081673B2
公开(公告)日：2021-08-03
申请号：US16547481
申请日：2019-08-21
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , SeJune Kim
Abstract: A reflective display device provided with an optical layer which is capable of improving adhesion between a substrate and a reflective layer and controlling a color of reflected light is disclosed. The reflective display device includes first and second substrates facing each other, each of which includes a display area and a reflective area; a display element provided in the display area; a reflective layer provided in the reflective area and arranged on one surface of the second substrate to reflect incident light; and an optical layer arranged between the second substrate and the reflective layer.
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公开(公告)号：US20220208934A1
公开(公告)日：2022-06-30
申请号：US17536934
申请日：2021-11-29
Applicant: LG Display Co., Ltd.
Inventor： Jonghyeok Im , Sul Lee , Hyoung-Su Kim
IPC: H01L27/32
Abstract: Disclosed is a display apparatus capable of reducing a voltage drop of a common electrode and improving a transmittance. The display apparatus comprises a substrate including a display area having a first area and a second area, a first electrode disposed on the substrate and configured to cover the first area and the second area, a first common power line disposed between the substrate and the first electrode and connected to the first electrode provided in the first area, and a second common power line connected to the first electrode provided in the second area through the first area.
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