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    Organic light emitting display having touch sensor and method of fabricating the same
    3.
    发明授权
    Organic light emitting display having touch sensor and method of fabricating the same 有权

    公开(公告)号：US11444135B2

    公开(公告)日：2022-09-13

    申请号：US17063456

    申请日：2020-10-05

    Applicant: LG Display Co., Ltd.

    Inventor： Jae-Young Oh ,  Min-Joo Kim ,  Jae-Won Lee ,  Eun-Hye Lee

    IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

    Abstract: Disclosed are an organic light emitting display having a touch sensor, which may achieve process simplification and cost reduction, and a method of fabricating the same. The organic light emitting display includes a compensation film having a flat surface and formed to cover dams forming a boundary with an organic encapsulation layer and the compensation film has a planarized surface between a region above the dams and a boundary region between the dams and the organic encapsulation layer (144) and may prevent cut and short-circuit of routing lines cutting across the same. Further, touch sensors are disposed on an encapsulation unit including the organic encapsulation layer and thus a separate attachment process is not required, thereby simplifying the overall process and reducing manufacturing costs of the organic light emitting display.

    Display apparatus having a substrate hole
    5.
    发明授权
    Display apparatus having a substrate hole 有权

    公开(公告)号：US11901398B2

    公开(公告)日：2024-02-13

    申请号：US17136967

    申请日：2020-12-29

    Applicant: LG Display Co., Ltd.

    Inventor： Dong-Il Chu ,  Min-Joo Kim ,  Jae-Won Lee ,  Sang-Hoon Pak ,  Sang-Hyuk Won ,  Seung-Hyun Youk ,  Seon-Hee Lee

    IPC: H01L27/15 ,  H01L29/786 ,  H01L33/38 ,  H01L33/62 ,  H01L33/12

    CPC classification number: H01L27/156 ,  H01L29/7869 ,  H01L29/78618 ,  H01L33/12 ,  H01L33/38 ,  H01L33/62

    Abstract: A display apparatus includes a substrate including a penetrating area including a substrate hole, and a separating area surrounding the penetrating area, a first buffer layer including a first-buffer lower layer on the substrate, and a first-buffer upper layer on the first-buffer lower layer, a first TFT including a first semiconductor pattern on the first-buffer upper layer, and a first gate electrode overlapping with the first semiconductor pattern under conditions that a first gate insulating film is interposed therebetween, and first source/drain electrodes connected to the first semiconductor pattern, a second TFT, a separation structure disposed in the separating area of the substrate while including a first separation layer having the same stacked structure as the first-buffer upper layer, a second separation layer having the same stacked structure as the first gate insulating film, and a third separation layer having the same stacked structure as the first gate electrode.

    Display device
    7.
    发明授权
    Display device 有权

    公开(公告)号：US11610946B2

    公开(公告)日：2023-03-21

    申请号：US17685136

    申请日：2022-03-02

    Applicant: LG Display Co., Ltd.

    Inventor： Sang-Hyuk Won ,  Min-Joo Kim ,  Jae-Won Lee ,  Sang-Hoon Pak ,  Byong-Hoo Kim ,  Ji-Hye Lee ,  Jae-Man Jang ,  Sung-Jin Kim ,  Jae-Hyung Jang

    IPC: H01L27/32 ,  G06F3/044 ,  G06F3/041 ,  H01L51/00 ,  H01L51/52

    Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.

    Display device
    9.
    发明授权
    Display device 有权

    公开(公告)号：US11296157B2

    公开(公告)日：2022-04-05

    申请号：US17112963

    申请日：2020-12-04

    Applicant: LG Display Co., Ltd.

    Inventor： Sang-Hyuk Won ,  Min-Joo Kim ,  Jae-Won Lee ,  Sang-Hoon Pak ,  Byong-Hoo Kim ,  Ji-Hye Lee ,  Jae-Man Jang ,  Sung-Jin Kim ,  Jae-Hyung Jang

    IPC: H01L27/32 ,  G06F3/044 ,  G06F3/041 ,  H01L51/00 ,  H01L51/52

    Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.

    DISPLAY DEVICE
    10.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200152708A1

    公开(公告)日：2020-05-14

    申请号：US16679938

    申请日：2019-11-11

    Applicant: LG Display Co., Ltd.

    Inventor： Byong-Hoo KIM ,  Min-Joo Kim ,  Eun-Pyo Hong ,  Jae-Won Lee ,  Sang-Hoon Pak ,  Sang-Hyuk Won ,  Jae-Man Jang ,  Sung-Jin Kim ,  Jae-Hyung Jang

    IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  G06F3/041 ,  G06F3/044

    Abstract: Disclosed is a display device capable of being manufactured through a simplified process and having improved touch sensitivity. The display device includes an encapsulation unit disposed on a light-emitting element, a touch sensor disposed on the encapsulation unit, and an intermediate layer disposed between the encapsulation unit and the touch sensor. The intermediate layer includes a first intermediate layer, having a dielectric constant that is lower than a dielectric constant of an organic film disposed above or under the intermediate layer, and a second intermediate layer, having greater hardness than the first intermediate layer, whereby touch sensitivity is improved while processing is simplified.

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