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    ORGANIC LIGHT-EMITTING DEVICE
    2.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20220209163A1

    公开(公告)日：2022-06-30

    申请号：US17691090

    申请日：2022-03-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Naoyuki Ito ,  Seul-Ong Kim ,  Youn-Sun Kim ,  Dong-Woo Shin ,  Jung-Sub Lee

    IPC: H01L51/50

    Abstract: An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship: E T ⁢ 1 > E T ⁢ 2 .

    FLEXIBLE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME
    7.
    发明申请
    FLEXIBLE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME 有权
    柔性显示装置及其制造方法

    公开(公告)号：US20150263235A1

    公开(公告)日：2015-09-17

    申请号：US14536329

    申请日：2014-11-07

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Dong-Woo Shin ,  Youn-Sun Kim ,  Seul-Ong Kim ,  Jung-Sub Lee ,  Naoyuki Ito ,  Chang-Woong Chu

    IPC: H01L33/38 ,  H01L27/12

    CPC classification number: H01L33/38 ,  H01L27/1218 ,  H01L27/1222 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1262 ,  H01L27/127 ,  H01L27/1292 ,  H01L27/3244 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3258 ,  H01L51/0097 ,  H01L51/52 ,  H01L51/5209 ,  H01L51/5262 ,  H01L51/5268 ,  H01L51/56 ,  H01L2251/5338

    Abstract: Provided is a flexible display apparatus having an improved light extracting efficiency and a method of manufacturing the flexible display apparatus. The flexible display apparatus includes a flexible substrate having a rippled surface, a pixel electrode on the flexible substrate and having a rippled surface, an intermediate layer on the pixel electrode and including a light emission layer, and an opposing electrode facing the pixel electrode. A method of manufacturing the flexible display apparatus includes applying a tensile force to a flexible substrate, forming a pixel electrode on the flexible substrate, removing the tensile force applied to the flexible substrate to form a rippled surface in the pixel electrode, forming an intermediate layer including an light emission layer on the pixel electrode, and forming an opposing electrode facing the pixel electrode.

    Abstract translation: 提供了一种具有改进的光提取效率的柔性显示装置和制造柔性显示装置的方法。 柔性显示装置包括具有波纹表面的柔性基板，柔性基板上的像素电极和波纹状表面，像素电极上的中间层和发光层，以及与像素电极相对的相对电极。 柔性显示装置的制造方法包括向柔性基板施加张力，在柔性基板上形成像素电极，去除施加到柔性基板的张力，在像素电极中形成波纹状的表面，形成中间层 包括像素电极上的发光层，以及形成面对像素电极的相对电极。

    Organic light-emitting device
    10.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US10340463B2

    公开(公告)日：2019-07-02

    申请号：US15684852

    申请日：2017-08-23

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jung-Sub Lee ,  Seul-Ong Kim ,  Youn-Sun Kim ,  Dong-Woo Shin ,  Naoyuki Ito

    IPC: H01L51/50 ,  H01L51/00

    Abstract: An organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the first electrode and including an emission layer (EML); a hole transport region between including an electron blocking layer (EBL) and at least one selected from a hole injection layer (HIL), a hole transport layer (HTL), and a buffer layer; and an electron transport region and including a hole blocking layer (HBL) and at least one selected from an electron transport layer and electron injection layer (EIL). A triplet energy of a material for the electron blocking layer (EBL T1), a triplet energy of a material for the hole blocking layer (HBL T1), and a triplet energy of a host in the emission layer (Host T1) satisfy Equation (1) and Equation (2): EBL T1≥HBL T1≥Host T1  (1) EBL T1−HBL T1≥0.2 eV  (2).

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