Organic electroluminescence display device including convex curve or concave curve and method of fabricating the same

    公开(公告)号:US10381601B2

    公开(公告)日:2019-08-13

    申请号:US15846812

    申请日:2017-12-19

    Abstract: 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.

    Organic light emitting display device and method for manufacturing the same
    2.
    发明授权
    Organic light emitting display device and method for manufacturing the same 有权
    有机发光显示装置及其制造方法

    公开(公告)号:US08686633B2

    公开(公告)日:2014-04-01

    申请号:US13719320

    申请日:2012-12-19

    CPC classification number: H05B33/06 H01L51/5215 H01L51/5268 H05B33/10

    Abstract: An organic light emitting display device (OLED) includes: a substrate; a first anode layer disposed on the substrate and including a plurality of first projections; a second anode layer formed on the first anode layer and including a plurality of second projections; an organic emission layer formed on the second anode layer; and a cathode layer formed on the organic emission layer. As a result, the anodes are formed to have a double projection structure to enhance light extraction efficiency.

    Abstract translation: 有机发光显示装置(OLED)包括:基板; 第一阳极层,设置在所述基板上并且包括多个第一突起; 形成在所述第一阳极层上并包括多个第二突起的第二阳极层; 形成在所述第二阳极层上的有机发光层; 以及形成在有机发光层上的阴极层。 结果,阳极形成为具有双凸起结构以提高光提取效率。

    Light emitting display device
    3.
    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

    Abstract: 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.

    Electroluminescent display device

    公开(公告)号:US11063244B2

    公开(公告)日:2021-07-13

    申请号:US16197059

    申请日:2018-11-20

    Abstract: An electroluminescent display device comprises a substrate; a thin film transistor disposed on the substrate; an overcoat layer disposed on the thin film transistor; and a light-emitting diode electrically connected to the thin film transistor through the overcoat layer, wherein the light-emitting diode includes a first electrode, a light-emitting layer on the first electrode and a second electrode on the light-emitting layer, and an emissive area is an area in which the light-emitting layer emits light by the first electrode or the second electrode, wherein the overcoat layer includes a micro lens at a position corresponding to the emissive area, and the light-emitting diode conforms to a morphology of the micro lens, and wherein the first electrode includes a first region and a second region, the first region comprises an electrode layer, and the second region includes the electrode layer and an electrode pattern disposed under the electrode layer.

    Organic electroluminescence display device including convex curve or concave curve and method of fabricating the same

    公开(公告)号:US10714709B2

    公开(公告)日:2020-07-14

    申请号:US16505489

    申请日:2019-07-08

    Abstract: 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.

    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

    Abstract: 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

    Abstract: 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.

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