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公开(公告)号：US20230195252A1
公开(公告)日：2023-06-22
申请号：US17977922
申请日：2022-10-31
Applicant: LG Display Co., Ltd.
Inventor： JaeHee Park , MiReum Lee
CPC classification number: G06F3/04164 , G06F3/044
Abstract: A transparent display device with a touch sensor is provided, which may minimize or reduce loss of light transmittance due to a touch sensor and a touch line and may detect a defective touch sensor among a plurality of touch sensors provided in a touch block. The transparent display device 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 reference line provided in the non-transmissive area, a plurality of switching transistors connecting the reference line with each of the plurality of light emitting elements, and a touch transistor connecting the reference line with the touch sensor.
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公开(公告)号：US11502154B2
公开(公告)日：2022-11-15
申请号：US16993136
申请日：2020-08-13
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：US10103210B2
公开(公告)日：2018-10-16
申请号：US15254122
申请日：2016-09-01
Applicant: LG Display Co., Ltd.
Inventor： Eunah Kim , SeYeoul Kwon , MiReum Lee , Chanil Park
IPC: H01L51/00 , H01L27/32 , H01L29/45 , H01L29/49 , H01L27/12 , H01L29/423 , H01L29/43 , H01L29/786 , H01L51/05 , H01L51/56 , H01L51/10 , H01L51/52
Abstract: An organic light emitting display device is discussed. The organic light emitting display device according to an embodiment includes a base substrate, a buffer layer disposed on the base substrate, and a thin film transistor disposed on the buffer layer. The organic light emitting display device further includes an organic light emitting diode connected to the thin film transistor and disposed on the thin film transistor. The thin film transistor includes a gate electrode, a source electrode, and a drain electrode. At least one of the gate, source, and drain electrodes of the thin film transistor includes a semi-transmissive metal layer, a transparent metal layer, and a reflective metal layer to improve outdoor visibility of a display panel by reducing reflectance of the electrodes even though a polarizer is removed.
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公开(公告)号：US12242682B2
公开(公告)日：2025-03-04
申请号：US18387639
申请日：2023-11-07
Applicant: LG Display Co., Ltd.
Inventor： JaeHee Park , MiReum Lee , Dojin Kim
IPC: G06F3/041 , G06F3/044 , G09G3/3225 , H10K59/40 , H10K59/88
Abstract: A transparent display device with a touch sensor can include a plurality of subpixels disposed in a non-transmission area of a substrate, the plurality of subpixels including a light emitting element with an anode electrode, a light emitting layer, and a cathode electrode; and a touch sensor in a transmission area of the substrate and including a touch sensor electrode. Also, the transparent display device can include an undercut structure for separating the cathode electrode from the touch sensor electrode of the touch sensor, in which the undercut structure is in the transmission area of the substrate and includes a plurality of inorganic layers including an opening area between an edge area of the touch sensor and an edge area of one of the plurality of subpixels; and an organic pattern on an edge area of the plurality of inorganic layers, the organic pattern being spaced apart from the subpixels.
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公开(公告)号：US20240224660A1
公开(公告)日：2024-07-04
申请号：US18499806
申请日：2023-11-01
Applicant: LG Display Co., Ltd.
Inventor： Dojin Kim , JaeHee Park , MiReum Lee , Nara Shin
IPC: H10K59/131 , G06F3/041 , H10K59/40
CPC classification number: H10K59/131 , G06F3/0412 , H10K59/40
Abstract: A transparent display device with a touch sensor is disclosed, which comprises: a substrate including a transmissive area and a non-transmissive area; a plurality of subpixels in the non-transmissive area, a subpixel including a light emitting element including an anode electrode, a light emitting layer, and a cathode electrode; a touch sensor in the transmissive area and including a touch sensor electrode in the transmissive area; a first undercut structure between the cathode electrode of the light emitting element and the touch sensor electrode of the touch sensor; a signal line between the first undercut structure and the substrate; and an etch stop layer between the signal line and the first undercut structure.
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Patent Agency Ranking
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：US11678500B2
公开(公告)日：2023-06-13
申请号：US16995321
申请日：2020-08-17
Applicant: LG Display Co., Ltd.
Inventor： MiReum Lee
IPC: H10K50/824 , H10K50/858 , H10K50/842 , H10K59/126 , H10K59/38 , H10K59/131
CPC classification number: H10K50/824 , H10K50/8426 , H10K50/858 , H10K59/126 , H10K59/131 , H10K59/38
Abstract: An organic light emitting diode display device includes a first substrate, an organic light emitting diode including a first electrode, an organic layer and a second electrode and disposed on the first substrate, a conductive layer disposed on the organic light emitting diode, a second substrate disposed over the first substrate, a conductive black matrix disposed on a surface of the second substrate that faces the first substrate, a sealant boding the first substrate and the second substrate and a conductive fill material filled between the first substrate and the second substrate.
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公开(公告)号：US10788693B2
公开(公告)日：2020-09-29
申请号：US14983811
申请日：2015-12-30
Applicant: LG Display Co., Ltd.
Inventor： Hoiyong Kwon , MiReum Lee
IPC: H05K1/02 , G02F1/1333 , G02F1/1345 , H01L51/00 , G06F1/16
Abstract: A flexible display device is disclosed. The flexible display device may include a flexible substrate, a display device layer on a first surface of the flexible substrate, a receiving groove in a second surface of the flexible substrate, and a deformation-preventing layer in the receiving groove on the second surface of the flexible substrate.
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公开(公告)号：US20150243720A1
公开(公告)日：2015-08-27
申请号：US14588205
申请日：2014-12-31
Applicant: LG Display Co., Ltd.
Inventor： Hoiyong Kwon , MiReum Lee , Hyoung-Su Kim
IPC: H01L27/32 , H01L27/12 , 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：US12260037B2
公开(公告)日：2025-03-25
申请号：US18501343
申请日：2023-11-03
Applicant: LG Display Co., Ltd.
Inventor： JaeHee Park , MiReum Lee , Dojin Kim
Abstract: A transparent display device including a substrate including a transmissive area and a non-transmissive area; a touch line on the substrate in the non-transmissive area; a touch bridge line in the non-transmissive area; and a touch contact electrode electrically connected to the touch bridge line; and a touch sensor in the transmissive area and including a touch sensor electrode overlapping with the touch contact electrode. Further, the touch sensor contacts the touch contact electrode so the touch sensor is electrically connected to the touch bridge line.
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