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    CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING THE SAME
    44.
    发明申请
    CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING THE SAME 有权
    稠化环化合物和包含其的有机发光二极管

    公开(公告)号：US20140197384A1

    公开(公告)日：2014-07-17

    申请号：US14012073

    申请日：2013-08-28

    Applicant: Duksan High Metal Co., Ltd. ,  Samsung Display Co., Ltd.

    Inventor： Seul-Ong Kim ,  O-Hyun Kwon ,  Dong-Woo Shin ,  Mie-Hwa Park ,  Bum-Sung Lee

    IPC: H01L51/00

    CPC classification number: H01L51/0054 ,  C07D249/08 ,  C09K11/06 ,  C09K2211/1416 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/5012 ,  H01L2251/308

    Abstract: A condensed cyclic compound represented by Formula 1 below and an organic light-emitting device (OLED) including the condensed cyclic compound are presented. Ar1 and Ar2 in Formula 1 are each independently one of a hydrogen atom, an aryl or heteroaryl group and an arylamino group, at least one of Ar1 and Ar2 being a substituted or unsubstituted 1,2.4-triazol-4-yl group; L1 and L2 in Formula 1 are linking groups, each independently one of a cyclic or noncyclic, saturated or unsaturated hydrocarbon group and a heteroarylene group; a and b in Formula 1 are each independently one of 0 or 1; and R1 to R8 in Formula 1 being each independently one of a variety of inorganic and organic substituents including cyclic or noncyclic, saturated or unsaturated and aromatic, nonaromatic or heteraromatic groups. The OLED may have a low driving voltage, a high emission efficiency and long lifespan characteristics.

    Abstract translation: 提出了下述通式1表示的缩合环状化合物和包含缩合环状化合物的有机发光装置（OLED）。 式1中的Ar 1和Ar 2各自独立地为氢原子，芳基或杂芳基和芳基氨基中的一个，Ar 1和Ar 2中的至少一个为取代或未取代的1,2,4-三唑-4-基; 式1中的L1和L2是连接基团，各自独立地为环状或非环状，饱和或不饱和的烃基和亚杂芳基之一; 式1中的a和b各自独立地为0或1中的一个; 式1中的R 1至R 8各自独立地是各种无机和有机取代基之一，包括环状或非环状，饱和或不饱和和芳族，非芳族或杂芳基。 OLED可具有低驱动电压，高发光效率和长寿命特性。

    Organic light-emitting device
    45.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US11316124B2

    公开(公告)日：2022-04-26

    申请号：US16542081

    申请日：2019-08-15

    Applicant: Samsung Display Co., Ltd.

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

    IPC: H01L51/54 ,  H01L51/50 ,  H01L51/00

    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: ET1>ET2.

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