Organic light emitting diode display device

    公开(公告)号:US11164927B2

    公开(公告)日:2021-11-02

    申请号:US16536230

    申请日:2019-08-08

    IPC分类号: H01L27/32 H01L51/50 H01L51/52

    摘要: The present disclosure is directed to an organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area; an overcoating layer on a first surface of the substrate and including a plurality of convex portions and a plurality of concave portions, at least one of the plurality of convex portions including a bottom surface portion, a top surface portion and a side surface portion between the bottom and top surface portions; a light emitting diode on the overcoating layer; and a cholesteric liquid crystal layer at a transmission direction of a light emitted from the light emitting diode.

    Organic light emitting diode display device

    公开(公告)号:US11108023B2

    公开(公告)日:2021-08-31

    申请号:US16455363

    申请日:2019-06-27

    IPC分类号: H01L51/52 H01L27/32 H01L51/50

    摘要: An organic light emitting diode display device includes a substrate, an overcoating layer on the substrate and including a plurality of convex portions and a plurality of concave portions, a first electrode on the overcoating layer, a light emitting layer on the first electrode and including a first emitting material layer, and a second electrode on the light emitting layer, wherein the first emitting material layer in the plurality of convex portions is separated from the second electrode by a first distance, and the first emitting material layer in the plurality of concave portions is separated from the second electrode by a second distance different from the first distance.

    Organic light emitting diode display

    公开(公告)号:US10957877B2

    公开(公告)日:2021-03-23

    申请号:US16212484

    申请日:2018-12-06

    IPC分类号: H01L51/52 H01L27/32

    摘要: An organic light emitting diode display device includes: a substrate including a plurality of pixel regions which each include an emission region and a non-emission region around the emission region; a plurality of scattering portions disposed on the substrate, corresponding to the emission region, and spaced apart from each other; a first overcoat layer disposed on the substrate having the plurality of scattering portions and including a plurality of concave portions which respectively correspond to the plurality of scattering portions; a first electrode disposed on the first overcoat layer in each of the plurality of pixel regions; and an organic light emitting layer and a second electrode sequentially disposed on the first electrode.

    Organic light emitting diode display device for improving light extraction efficiency of pixels

    公开(公告)号:US10903455B2

    公开(公告)日:2021-01-26

    申请号:US16672476

    申请日:2019-11-03

    摘要: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.

    Organic light emitting diode display device

    公开(公告)号:US10651426B2

    公开(公告)日:2020-05-12

    申请号:US15822417

    申请日:2017-11-27

    IPC分类号: H01L51/52 H01L27/32

    摘要: An OLED display device includes a first substrate including a plurality of sub-pixels each including an emission area and a non-emission area; organic light emitting diodes on the first substrate; a second substrate opposed to the first substrate; a black matrix and a color filter layer on one side of the second substrate; a spacer on the black matrix and overlapping or parallel to one of the plurality of the gate lines and the plurality of data lines; and a film layer on the spacer, wherein an air gap is provided between the second substrate and the film layer, and a part of the film layer is exposed by the air gap.

    Light emitting display device
    6.
    发明授权

    公开(公告)号:US10522789B2

    公开(公告)日:2019-12-31

    申请号:US16023106

    申请日:2018-06-29

    摘要: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.

    Organic light emitting diode including convex curve or concave curve and organic light emitting device including the same

    公开(公告)号:US11289683B2

    公开(公告)日:2022-03-29

    申请号:US16898041

    申请日:2020-06-10

    IPC分类号: H01L51/52 H01L27/32 H01L51/50

    摘要: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.