LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230165029A1

    公开(公告)日:2023-05-25

    申请号:US17989910

    申请日:2022-11-18

    CPC classification number: H01L51/5036 H01L27/3248

    Abstract: A light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a third layer between the emission layer and the second electrode, a first layer between the third layer and the second electrode, and a second layer between the first layer and the third layer. The first layer includes a first metal-free material and a first metal-containing material, the second layer includes a second metal-free material and a second metal-containing material, the first metal-free material and the second metal-free material are different from each other, the first metal-containing material and the second metal-containing material are different from each other, and the third layer consists of a third metal-free material. Embodiments include an electronic apparatus including the light-emitting device.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20220115619A1

    公开(公告)日:2022-04-14

    申请号:US17343549

    申请日:2021-06-09

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer stack, wherein the emission layer stack includes: a first emission layer including a first host and a first dopant; and a second emission layer including a second host, a second dopant, and an electron transport compound, wherein the first host and the second host are different compounds from each other, the first emission layer is in contact with the second emission layer, and the second emission layer is closer to the second electrode than the first emission layer.

    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME

    公开(公告)号:US20210359214A1

    公开(公告)日:2021-11-18

    申请号:US17239405

    申请日:2021-04-23

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; m emission units; and m−1 charge generation layer(s), each including an n-type charge generation layer and a p-type charge generation layer and being located between two emission units. The m emission units each include a hole transport region, an electron transport region, and an emission layer between the hole transport region and the electron transport region. An mth electron region included in an mth emission layer that is closest among the m emission units to the second electrode includes an mth electron transport layer. The mth electron transport layer is a single layer consisting of a first compound, the mth emission layer included in the mth emission unit includes a second compound, and the mth electron transport layer and the mth emission layer may be different from each other.

    ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE
    14.
    发明申请

    公开(公告)号:US20180040847A1

    公开(公告)日:2018-02-08

    申请号:US15612141

    申请日:2017-06-02

    Inventor: Hyunshik LEE

    Abstract: Provided is an organic electroluminescence display device including a base member, a display member disposed on the base member and including an organic electroluminescent element; and an encapsulating member disposed on the display member and encapsulating the display member. The encapsulating member includes a first inorganic layer disposed on the display member; a first organic layer disposed on the first inorganic layer; and a second inorganic layer disposed on the first organic layer. The first inorganic layer has a multilayer structure in which first layers having a first refractive index and second layers having a second refractive index different from the first refractive index are alternately disposed. Each of the first organic layer and the second inorganic layer has a single layer structure.

    ORGANIC LIGHT-EMITTING APPARATUS
    15.
    发明申请
    ORGANIC LIGHT-EMITTING APPARATUS 有权
    有机发光装置

    公开(公告)号:US20160141553A1

    公开(公告)日:2016-05-19

    申请号:US14730345

    申请日:2015-06-04

    Inventor: Hyunshik LEE

    CPC classification number: H01L51/5281 H01L51/5262 H01L2251/5338

    Abstract: An organic light-emitting apparatus includes a flexible substrate, an organic light-emitting device on the flexible substrate, the light emitting device including a first electrode, an emission layer, and a second electrode sequentially disposed on the flexible substrate, and an anisotropic film on the second electrode of the organic light-emitting device. The anisotropic film includes an anisotropic material horizontally oriented with respect to a surface of the flexible substrate.

    Abstract translation: 有机发光装置包括柔性基板,柔性基板上的有机发光装置,发光装置包括依次设置在柔性基板上的第一电极,发光层和第二电极,以及各向异性膜 在有机发光装置的第二电极上。 各向异性膜包括相对于柔性基板的表面水平取向的各向异性材料。

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20220059793A1

    公开(公告)日:2022-02-24

    申请号:US17393870

    申请日:2021-08-04

    Abstract: A light-emitting device includes a first electrode, a second electrode, m emitting units, and m−1 charge generation layers. The m emitting units each include a hole transport region, an emission layer, and an electron transport region. At least one emission layer of the m emitting units includes a first emission layer and a second emission layer, and at least one hole transport region adjacent to a p-type charge generation layer includes a multi-layered hole transport layer consisting of a first non-doped layer, a doped layer, and a second non-doped layer. The first non-doped layer and the second non-doped layer each independently consist of a hole transport material, the doped layer includes a hole transport material and a p-dopant, and the hole transport region adjacent to the first electrode does not include the multi-layered hole transport layer. An electronic apparatus including the light-emitting device is also provided.

    ORGANIC LIGHT-EMITTING DEVICE AND FLAT DISPLAY APPARATUS INCLUDING THE SAME

    公开(公告)号:US20210066618A1

    公开(公告)日:2021-03-04

    申请号:US17004558

    申请日:2020-08-27

    Abstract: The present application relates to an organic light-emitting device and a flat display apparatus including the same. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of m between the first electrode and the second electrode; and charge generation layers in the number of m−1 respectively between each pair of adjacent light-emitting units among the light-emitting units in the number of m, each charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein m is an integer of 3 or more, the light-emitting units in the number of m each include a hole transport region, an emission layer, and an electron transport region, which are sequentially stacked, electron transport regions in the number of m included in the light-emitting units in the number of m each include an electron transport material, and an electron transport material included in at least one electron transport region among the electron transport regions in the number of m is different from an electron transport material included in at least one electron transport region among the other electron transport regions.

    ORGANIC LIGHT EMITTING DEVICE
    19.
    发明申请

    公开(公告)号:US20200251665A1

    公开(公告)日:2020-08-06

    申请号:US16855933

    申请日:2020-04-22

    Abstract: An organic light emitting device including a first electrode; a self-assembled monolayer on the first electrode; a hole control layer on the self-assembled monolayer; a light emitting layer on the hole control layer; an electron control layer on the light emitting layer; and a second electrode on the electron control layer, wherein the self-assembled monolayer includes a plurality of organic molecules, each of the plurality of organic molecules having a head bonded to the first electrode, a terminal end adjacent to the hole control layer, and a tail connecting the head with the terminal end.

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