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公开(公告)号：US20200176699A1
公开(公告)日：2020-06-04
申请号：US16687211
申请日：2019-11-18
Applicant: LG Display Co., Ltd.
Inventor： MinJic LEE , HongSik KIM , Yeseul HAN , JeongOk JO
Abstract: Disclosed is an electroluminescence display device. The electroluminescence display device includes a flexible substrate, a first metal layer, an inorganic material layer, a recessed portion, a second metal layer, and an organic material layer. The flexible substrate has a bending axis. The first metal layer is disposed on the flexible substrate to be parallel with the bending axis. The inorganic material layer is stacked on the first metal layer. The recessed portion is disposed in the inorganic material layer to be parallel to the bending axis and exposes the first metal layer. The second metal layer extends in parallel to the bending axis, covers the recessed portion, and is in contact with the first metal layer. The organic material layer covers the inorganic material layer and the second metal layer.
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公开(公告)号：US20220208904A1
公开(公告)日：2022-06-30
申请号：US17541479
申请日：2021-12-03
Applicant: LG DISPLAY CO., LTD.
Inventor： MinJic LEE , HongSik KIM , Yeseul HAN , JeongOk JO , Kwanghyun CHOI
Abstract: An organic light emitting display device includes a substrate having a display area including a plurality of sub pixels and a non-display area which encloses the display area, a thin film transistor on the substrate, a planarization layer on the thin film transistor, an anode which is disposed on the planarization layer and is disposed for each sub pixel, a bank layer which is disposed on the planarization layer and includes a first opening unit exposing at least a part of the anode and a second opening unit spaced apart from the first opening unit, a first spacer on the bank layer, and a second spacer which is continuously disposed on the anode and the bank layer so as to overlap with a part of an edge of the first opening unit, and the bank layer has a reverse tapered shape and the second spacer has a tapered shape.
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公开(公告)号：US20190140201A1
公开(公告)日：2019-05-09
申请号：US16177151
申请日：2018-10-31
Applicant: LG DISPLAY CO., LTD.
Inventor： HongSik KIM
Abstract: A foldable display device and its manufacturing method are disclosed, in which a flexible cover plastic is used as a cover window and internal elements may be prevented from being damaged due to external impact. The foldable display device comprising a thin film transistor substrate; a first adhesive layer arranged on the thin film transistor substrate; a second adhesive layer arranged outside the first adhesive layer on the thin film transistor substrate; and a touch substrate arranged on the first and second adhesive layers, wherein the second adhesive layer includes a rigid material and is arranged on areas outside the first adhesive layer except a folding area where the thin film transistor substrate is folded.
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公开(公告)号：US20230394998A1
公开(公告)日：2023-12-07
申请号：US18237308
申请日：2023-08-23
Applicant: LG Display Co., Ltd.
Inventor： MinJic LEE , HongSik KIM , Yeseul HAN , JeongOk JO , Kwanghyun CHOI
IPC: G09F9/30 , H10K59/131 , H10K59/121
CPC classification number: G09F9/301 , H10K59/1213 , H10K59/131
Abstract: A foldable display device that includes a folding area and non-folding area, is discussed. The foldable display device can include a first substrate, a second substrate corresponding to the first substrate and including the plurality of unit pixels, a thin film transistor disposed on the second substrate, an organic light emitting diode disposed on the thin film transistor, and a mesh pattern disposed between the first substrate and the second substrate and having a plurality of openings, and made of metal.
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公开(公告)号：US20210407344A1
公开(公告)日：2021-12-30
申请号：US17362182
申请日：2021-06-29
Applicant: LG Display Co., Ltd.
Inventor： MinJic LEE , HongSik KIM , Yeseul HAN , JeongOk JO , Kwanghyun CHOI
Abstract: A foldable display device includes a display area having a plurality of unit pixels and a non-display area surrounding the display area, and a folding area defined in the display area and the non-display area, and non-folding areas on both sides of the folding area. The foldable display device can further include a first substrate, a second substrate corresponding to the first substrate and including the plurality of unit pixels, a thin film transistor disposed on the second substrate, an organic light emitting diode disposed on the thin film transistor, and a mesh pattern disposed between the first substrate and the second substrate and having a plurality of openings. Openings of the mesh pattern in the folding area are smaller in size than openings of the mesh pattern in the non-folding areas.
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Patent Agency Ranking
公开(公告)号：US20220208931A1
公开(公告)日：2022-06-30
申请号：US17507566
申请日：2021-10-21
Applicant: LG Display Co., Ltd.
Inventor： Yeseul HAN , MinJic LEE , HongSik KIM , JeongOk JO , Kwanghyun CHOI
Abstract: A foldable display device includes a flexible display substrate having a folding area and non-folding areas on two sides of the folding area, and a plurality of scan lines disposed on the flexible substrate and extending in a specific direction. The scan lines disposed in the folding area include a first part and a second part which are disposed on different layers and which are formed of different materials.
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公开(公告)号：US20210202592A1
公开(公告)日：2021-07-01
申请号：US17130848
申请日：2020-12-22
Applicant: LG DISPLAY CO., LTD.
Inventor： HongSik KIM , MinJic LEE , Yeseul HAN , JeongOk JO , Kwanghyun CHOI
Abstract: An organic light emitting display device includes a transparent base member, a touch sensor which includes a touch electrode disposed above the transparent base member and a touch protection layer which covers the touch electrode, a black matrix which is disposed below or above the touch sensor and defines a plurality of opening areas, a plurality of color filters which is disposed on the same plane as the black matrix and corresponds to the plurality of opening areas, a first buffer layer disposed above the upper one of the touch sensor and the plurality of color filters, a thin film transistor disposed above the first buffer layer, and an organic light emitting element which is disposed above the thin film transistor and corresponds to the plurality of opening areas.
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公开(公告)号：US20220069039A1
公开(公告)日：2022-03-03
申请号：US17411714
申请日：2021-08-25
Applicant: LG DISPLAY CO., LTD.
Inventor： HongSik KIM , MinJic LEE , Yeseul HAN , JeongOk JO , Kwanghyun CHOI
Abstract: A display device includes a substrate; a bank defining a plurality of emission areas on the substrate; a plurality of light emitting elements at the plurality of emission areas; a plurality of spacers on the bank to surround peripheral portions of the plurality of emission areas, and the plurality of spacers are spaced apart from each other, so that film delamination of a light emitting element can be prevented by minimizing transmission of an impact to the light emitting element.
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公开(公告)号：US20210202594A1
公开(公告)日：2021-07-01
申请号：US17133130
申请日：2020-12-23
Applicant: LG DISPLAY CO., LTD.
Inventor： JeongOk JO , MinJic LEE , HongSik KIM , Yeseul HAN , Kwanghyun CHOI
Abstract: According to an aspect of the present disclosure, an organic light emitting display device includes an organic light emitting display panel including a plurality of sub pixels, a pattern buffer layer disposed on the organic light emitting display panel and patterned so as to overlap at least one sub pixel of the plurality of sub pixels, a color filter layer disposed on the pattern buffer layer and including a plurality of color filters corresponding to the plurality of sub pixels, and a black matrix disposed on the same plane as the pattern buffer layer and dividing the plurality of color filters. Accordingly, generation and spread of cracks when the display device is folded may be effectively suppressed. Therefore, the driveability of the display panel and the reliability of the organic light emitting display device may be improved.
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公开(公告)号：US20190181363A1
公开(公告)日：2019-06-13
申请号：US16212605
申请日：2018-12-06
Applicant: LG DISPLAY CO., LTD.
Inventor： MinJic LEE , HongSik KIM , ChangSeung WOO
IPC: H01L51/00 , G09F9/30 , G09G3/3266 , H01L27/32 , H01L51/52
Abstract: Disclosed is a flexible display apparatus in which a bending area bent with respect to a bending line disposed in a first direction is provided, and even when the flexible display apparatus is folded with respect to a folding line provided in a second direction intersecting the first direction, a crack does not occur. The flexible display apparatus includes a cover substrate and a display module disposed on a rear surface of the cover substrate to display an image. Also, the flexible display apparatus includes a flat part, a first bending part bent at a first curvature from a first side of the flat part with respect to a first bending line, and a folding part folded with respect to a folding line. The folding part does not overlap the first bending part.
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