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公开(公告)号：US12229362B2
公开(公告)日：2025-02-18
申请号：US18533648
申请日：2023-12-08
Applicant: LG Display Co., Ltd.
Inventor： MiReum Lee , JaeHee Park , Dojin Kim
IPC: G06F3/041 , G02F1/1343 , G06F3/044
Abstract: A transparent display device may include a substrate, a transmissive area, a non-transmissive area, and a plurality of subpixels provided in the non-transmissive area, having a light emitting element, which may include an anode electrode, a light emitting layer and a cathode electrode. The transparent display device may further include a touch sensor disposed in the transmissive area, including a touch sensor electrode, and a sensing transistor for sensing a voltage of the touch sensor. The cathode electrode of the light emitting element and the touch sensor electrode of the touch sensor may be provided on a same layer and may be separated by a first undercut structure. The cathode electrode may extend to the transmissive area such that the cathode electrode is located in the transmissive area and in the non-transmissive area. The sensing transistor may be disposed to overlap the cathode electrode located in the transmissive area.
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公开(公告)号：US20230030854A1
公开(公告)日：2023-02-02
申请号：US17869705
申请日：2022-07-20
Applicant: LG Display Co., Ltd.
Inventor： MiReum Lee , JaeHee Park , Jonghyeok Im
Abstract: A transparent display device is provided, which may reduce a parasitic capacitance average value of touch lines and improve uniformity of parasitic capacitance. The transparent display comprises a substrate provided with a non-transmissive area and a transmissive area, the non-transmissive area including at least two light emission areas in which a light emitting element is disposed and at least two circuit areas in which a circuit element is disposed, a plurality of first signal lines provided in the non-transmissive area over the substrate and extended in a first direction, at least one insulating layer provided over the first signal line, and a plurality of touch lines provided in the non-transmissive area over the at least one insulating layer and extended in the first direction. The plurality of first signal lines and the plurality of touch lines are disposed between adjacent circuit areas.
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公开(公告)号：US20150243718A1
公开(公告)日：2015-08-27
申请号：US14588180
申请日：2014-12-31
Applicant: LG Display Co., Ltd.
Inventor： Hoiyong Kwon , MiReum Lee , Hyoung-Su Kim
IPC: H01L27/32 , H01L29/786
CPC classification number: H01L27/1248 , G09G3/3233 , G09G2300/0417 , G09G2300/0852 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , H01L27/1222 , H01L27/1225 , H01L27/1229 , H01L27/1237 , H01L27/124 , H01L27/1251 , H01L27/3276
Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).
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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：US10777629B2
公开(公告)日：2020-09-15
申请号：US16172259
申请日：2018-10-26
Applicant: LG Display Co., Ltd.
Inventor： Hoiyong Kwon , MiReum Lee
Abstract: Disclosed are a display apparatus and a method for manufacturing the same. The display apparatus comprises: a multi-buffer layer; a pixel array layer formed on the multi-buffer layer and including a plurality of pixels respectively formed as the intersections of a plurality of gate lines and a plurality of data lines; an encapsulation layer formed on the pixel array layer; and an encapsulation substrate formed on the encapsulation layer and including a display area and a non-display area adjacent to the display area, wherein, the encapsulation substrate is for supporting the display area and the non-display area such that there is no base substrate in the display apparatus.
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公开(公告)号：US09449994B2
公开(公告)日：2016-09-20
申请号：US14588180
申请日：2014-12-31
Applicant: LG Display Co., Ltd.
Inventor： Hoiyong Kwon , MiReum Lee , Hyoung-Su Kim
IPC: H01L27/32 , H01L29/786 , H01L27/12
CPC classification number: H01L27/1248 , G09G3/3233 , G09G2300/0417 , G09G2300/0852 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , H01L27/1222 , H01L27/1225 , H01L27/1229 , H01L27/1237 , H01L27/124 , H01L27/1251 , H01L27/3276
Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).
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公开(公告)号：US12182359B2
公开(公告)日：2024-12-31
申请号：US18435460
申请日：2024-02-07
Applicant: LG Display Co., Ltd.
Inventor： JaeHee Park , MiReum Lee , Kihyung Lee
Abstract: A transparent display device with a touch sensor is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line, and may detect a line area, in which a defective touch sensor is included. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area disposed between the transmissive areas adjacent to each other. The device includes a touch line extended from the non-transmissive area and connected to a touch sensor electrode, and a common power line connected to a cathode electrode to supply a cathode power source. The non-transmissive area includes a cathode power area to which the cathode power source is applied through the common power line, the cathode power area includes a first cathode power area and a second cathode power area. The second cathode power area may have resistance higher than that of the first cathode power area.
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公开(公告)号：US11928285B2
公开(公告)日：2024-03-12
申请号：US17977888
申请日：2022-10-31
Applicant: LG Display Co., Ltd.
Inventor： JaeHee Park , MiReum Lee , Kihyung Lee
CPC classification number: G06F3/0418 , G06F3/0412 , G06F3/04164 , G06F3/0446 , H10K59/40
Abstract: A transparent display device with a touch sensor is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line, and may detect a line area, in which a defective touch sensor is included. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area disposed between the transmissive areas adjacent to each other. The device includes a touch line extended from the non-transmissive area and connected to a touch sensor electrode, and a common power line connected to a cathode electrode to supply a cathode power source. The non-transmissive area includes a cathode power area to which the cathode power source is applied through the common power line, the cathode power area includes a first cathode power area and a second cathode power area. The second cathode power area may have resistance higher than that of the first cathode power area.
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