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    DISPLAY DEVICE
    4.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190173055A1

    公开(公告)日：2019-06-06

    申请号：US16255233

    申请日：2019-01-23

    Applicant: Japan Display Inc.

    Inventor： Akinori Kamiya ,  Daisuke Kato

    IPC: H01L51/52 ,  H01L51/56

    CPC classification number: H01L51/5256 ,  H01L27/3244 ,  H01L51/5253 ,  H01L51/5275 ,  H01L51/56

    Abstract: A display device includes a light-emitting element layer that emits light with a luminance controlled for each of a plurality of unit pixels constituting an image, and a sealing layer provided on the light-emitting element layer and including a plurality of layers. The plurality of layers of the sealing layer includes at least an inorganic layer provided on the light-emitting element layer, an organic layer provided on the inorganic layer, and an inorganic layer that is an uppermost layer. A density of the inorganic layer that is the uppermost layer in a thickness direction changes in the thickness direction.

    Organic el display device
    5.
    发明授权
    Organic el display device 有权

    公开(公告)号：US09929378B2

    公开(公告)日：2018-03-27

    申请号：US15294927

    申请日：2016-10-17

    Applicant: Japan Display Inc.

    Inventor： Hiraaki Kokame ,  Daisuke Kato

    IPC: H01L51/52 ,  H01L27/32

    CPC classification number: H01L51/5259 ,  H01L27/3258 ,  H01L27/3276 ,  H01L51/524 ,  H01L51/5253

    Abstract: Provided is a highly reliable organic EL display device. The organic EL display device includes a first insulating layer; and a display portion provided on the first insulating layer, the display portion including a plurality of pixels. The display portion includes a light emitting layer included in organic EL elements included in the plurality of pixels, the light emitting layer being extended in the entirety of, and beyond, the display portion. The organic EL display device further includes a first groove enclosing the display portion as seen in a plan view, the first groove being provided in the first insulating layer at a position below the light emitting layer. A second insulating layer covering the first groove may be provided between the first insulating layer and the light emitting layer.

    Method of manufacturing a display device
    7.
    发明授权
    Method of manufacturing a display device 有权

    公开(公告)号：US09786871B2

    公开(公告)日：2017-10-10

    申请号：US15391221

    申请日：2016-12-27

    Applicant: Japan Display Inc.

    Inventor： Daisuke Kato

    IPC: H01L51/52 ,  H01L51/56

    CPC classification number: H01L51/56 ,  H01L51/5203 ,  H01L51/5246 ,  H01L51/5253 ,  H01L51/5259

    Abstract: A light-emitting element layer and an element layer, which includes an anode and a cathode that sandwich the light-emitting element layer, are formed, and a sealing film is formed so as to cover the entire element layer. In the step of forming the sealing film, a first inorganic film is formed on the element layer. An organic film is formed on the first inorganic film. The organic film is ashed by using a foreign substance remaining on the organic film as a mask such that the organic film is left at least immediately below the mask and removed from at least a part of other areas. After the organic film is ashed, a second inorganic film is formed at least on the first inorganic film.

    Organic EL display device
    9.
    发明授权
    Organic EL display device 有权

    公开(公告)号：US09735394B2

    公开(公告)日：2017-08-15

    申请号：US15409739

    申请日：2017-01-19

    Applicant: Japan Display Inc.

    Inventor： Daisuke Kato

    IPC: H01L51/52 ,  H01L27/32

    CPC classification number: H01L51/5253 ,  H01L27/3246 ,  H01L27/3258

    Abstract: A bank partitions a plurality of pixels and has an opening in each of the plurality of pixels. An organic layer includes a light emitting layer, and covers the bank opening. A first inorganic barrier layer is formed of an inorganic material, and covers the bank and the organic layer. A plurality of organic barrier portions are formed of organic materials, and are disposed on the first inorganic barrier layer. A second inorganic barrier layer is formed of the inorganic material, and covers the first inorganic barrier layer and the plurality of organic barrier portions. A recessed portion is formed on the bank and the first inorganic barrier layer (for example, the recessed portion is formed in an area which covers a contact hole), and a portion of the organic barrier portion is formed in the recessed portion.

    OLED with a flattening layer between two barrier layers
    10.
    发明授权
    OLED with a flattening layer between two barrier layers 有权
    OLED在两个阻挡层之间具有平坦化层

    公开(公告)号：US09466813B2

    公开(公告)日：2016-10-11

    申请号：US14818499

    申请日：2015-08-05

    Applicant: Japan Display Inc.

    Inventor： Daisuke Kato ,  Kaichi Fukuda

    IPC: H01L51/52 ,  H01L27/32

    CPC classification number: H01L51/5256 ,  H01L27/3244 ,  H01L27/3246 ,  H01L27/3258 ,  H01L27/3265 ,  H01L51/5012 ,  H01L51/5253 ,  H01L2227/323 ,  H01L2251/301

    Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.

    Abstract translation: 根据一个实施例，有机半导体器件包括支撑衬底，多个有机EL发光元件，第一阻挡层，平坦化层和第二阻挡层。 扁平层偶尔存在，并且在第一阻挡层的表面中存在倾斜的倾斜高度变化的温和。 第一阻挡层和第二阻挡层由防潮渗透材料制成。

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