ORGANIC LIGHT-EMITTING DEVICE
    27.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开
    有机发光装置

    公开(公告)号:US20160087227A1

    公开(公告)日:2016-03-24

    申请号:US14729202

    申请日:2015-06-03

    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, the emission layer including a dopant, a first host, and a second host. The dopant is a material emitting delayed fluorescence, the first host is a compound represented by Formula 1 below, and the second host is a compound represented by any one of Formulae 2-1, 2-2, and 2-3 below: wherein X, X2, X3, Y1 to Y4, L1 to L7, R1 to R11, a, a1, a2, b, b1, b2, c, c1, c2, d, e, f, and g are as defined in the specification.

    Abstract translation: 一种有机发光装置,包括第一电极,面对第一电极的第二电极和第一电极与第二电极之间的发射层,发射层包括掺杂剂,第一主体和第二主体。 掺杂剂是发射延迟荧光的材料,第一个主体是由下述通式1表示的化合物,第二个主体是由以下式2-1,2-2和2-3中的任何一个表示的化合物:其中X ,X2,X3,Y1〜Y4,L1〜L7,R1〜R11,a,a1,a2,b,b1,b2,c,c1,c2,d,e,f,g如说明书所述。

    ORGANIC LIGHT-EMITTING DEVICE
    28.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权
    有机发光装置

    公开(公告)号:US20160049593A1

    公开(公告)日:2016-02-18

    申请号:US14634096

    申请日:2015-02-27

    Abstract: An OLED device including a first electrode; a second electrode; and an organic layer, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, the hole transport region including at least one of a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the emission layer includes at least one host (H) and at least one phosphorescent dopant (D), an electron affinity (EA) and an ionization potential (IP) simultaneously satisfying the relationships represented by Equation (1) and Equation (2) below: EA(D)−EA(H)≧0.2 eV  (1) IP(H)−IP(D)≧0.2 eV  (2).

    Abstract translation: 一种OLED器件,包括第一电极; 第二电极; 有机层,包括发光层的有机层,第一电极和发光层之间的空穴传输区域,空穴传输层,空穴传输层,空穴注入层和缓冲层中的至少一个, 以及发射层和第二电极之间的电子传输区域,电子传输区域包括空穴阻挡层,电子传输层和电子注入层中的至少一个,其中发射层包括至少一个主体(H )和同时满足由式(1)和式(2)表示的关系的至少一种磷光掺杂剂(D),电子亲和力(EA)和电离电位(IP):EA(D)-EA(H) ≧0.2eV(1)IP(H)-IP(D)≥0.2eV(2)。

    ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20210376252A1

    公开(公告)日:2021-12-02

    申请号:US17324073

    申请日:2021-05-18

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host and a dopant, the host includes a first host compound, a second host compound, and a third host compound, and the first host compound satisfies Conditions 1-1 and 1-2: S1(H1)>3 eV  Condition 1-1 T1(H1)>2.8 eV,  Condition 1-2 wherein, in Conditions 1-1 and 1-2, S1(H1) indicates a lowest excitation singlet energy level of the first host compound, and T1(H1) indicates a lowest excitation triplet energy level of the first host compound.

Patent Agency Ranking