Organic electroluminescence display device

    公开(公告)号:US11043649B2

    公开(公告)日:2021-06-22

    申请号:US16383362

    申请日:2019-04-12

    Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

    ORGANIC LIGHT EMITTING DISPLAY APPARATUS
    5.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY APPARATUS 有权
    有机发光显示装置

    公开(公告)号:US20170062765A1

    公开(公告)日:2017-03-02

    申请号:US15172059

    申请日:2016-06-02

    Abstract: An organic light emitting display apparatus includes a substrate, a plurality of organic light emitting elements on the substrate, an encapsulation substrate covering the organic light emitting elements, and a scattering layer including a resin, and a plurality of scattering particles distributed in the resin, and including a variety of particle sizes in a first range from about 500 nm to about 800 nm, wherein ones of the scattering particles having a first particle size include a highest concentration of the scattering particles, and wherein a concentration of other ones of the scattering particles is inversely proportional to a magnitude of a difference in particle size between the other ones of the scattering particles and the ones of the scattering particles having the first particle size.

    Abstract translation: 有机发光显示装置包括基板,在基板上的多个有机发光元件,覆盖有机发光元件的封装基板和包括树脂的散射层以及分布在树脂中的多个散射粒子, 并且包括在约500nm至约800nm的第一范围内的各种粒径,其中具有第一粒径的散射粒子中的一个具有最高浓度的散射粒子,并且其中散射的其它散射粒子的浓度 颗粒与其他散射颗粒和具有第一颗粒尺寸的散射颗粒之间的颗粒尺寸差的大小成反比。

    Capping layer for tandem structure and display device having the same

    公开(公告)号:US11844257B2

    公开(公告)日:2023-12-12

    申请号:US17347851

    申请日:2021-06-15

    CPC classification number: H10K59/35 H10K50/19 H10K50/852

    Abstract: A display device includes a first pixel area including a first pixel electrode and a first organic light emitting layer, a tandem pixel area including a tandem pixel electrode, a first tandem organic light emitting layer and a second tandem organic light emitting layer, a capping layer including a first capping layer corresponding to the first organic light emitting layer and a tandem capping layer corresponding to both the first tandem organic light emitting layer and the second tandem organic light emitting layer, and a common electrode between the first capping layer and the first organic light emitting layer and between the tandem capping layer and the second tandem organic light emitting layer. Each of the first capping layer and the tandem capping layer has a thickness, and the thickness of the tandem capping layer is smaller than the thickness of the first capping layer.

    Organic electroluminescence display device

    公开(公告)号:US11545643B2

    公开(公告)日:2023-01-03

    申请号:US17352111

    申请日:2021-06-18

    Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

    Organic electroluminescence display device

    公开(公告)号:US12225750B2

    公开(公告)日:2025-02-11

    申请号:US18407374

    申请日:2024-01-08

    Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

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