PHOSPHORESCENT HOST COMPOSITION, ORGANIC OPTOELECTRONIC DIODE, AND DISPLAY DEVICE
申请人:SAMSUNG SDI CO., LTD.
公开号:US20210111350A1
公开(公告)日:2021-04-15
Provided are a composition for a phosphorescent host including a first host represented by Chemical Formula 1, a second host represented by a combination of Chemical Formula 2 and Chemical Formula 3; and an organic optoelectronic device including an anode and a cathode facing each other and an organic layer disposed between the anode and the cathode, wherein the organic layer includes an auxiliary layer including at least one of a hole injection layer, a hole transport layer, an electron injection layer, and an electron transport layer and a light emitting layer, and the light emitting layer includes a phosphorescent dopant having a maximum photoluminescence wavelength of 550 nm to 750 nm along with the composition, and a display device including the same. Details of Chemical Formulae 1 to 3 are the same as defined in the specification.
提供了一种包括第一宿主(化学式1表示)、第二宿主(由化学式2和化学式3的组合表示)的荧光宿主的组合物;以及包括彼此对向的阳极和阴极以及位于阳极和阴极之间的有机层的有机光电子器件,其中该有机层包括辅助层,其中至少包括一个空穴注入层、一个空穴传输层、一个电子注入层和一个电子传输层,以及一个发光层,该发光层包括一个最大光致发光波长为550纳米至750纳米的荧光掺杂剂,以及该组合物,以及包括这种器件的显示器件。化学式1至3的详细信息与规范中定义的相同。