申请人:Samsung Electronics Co., Ltd.
公开号:US20210009616A1
公开(公告)日:2021-01-14
A composition including a platinum-containing organometallic compound, a first compound, a second compound, and a third compound, and an organic light-emitting device including the same wherein the composition does not comprise iridium,
the Pt-containing organometallic compound, the first compound, the second compound, and the third compound are different from each other,
the first compound comprises at least one electron transport moiety,
the second compound and the third compound do not include a metal,
each of an absolute value of a HOMO energy level of the second compound and an absolute value of a HOMO energy level of the third compound is 5.30 eV to 5.85 eV,
the difference between the absolute value of the HOMO energy level of the second compound and the absolute value of the HOMO energy level of the third compound is 0.01 eV to 0.30 eV.
一种包括含铂有机金属化合物、第一化合物、第二化合物和第三化合物的组合物,以及包括该组合物的有机发光器件,其中该组合物不包括铱,铂含有机金属化合物、第一化合物、第二化合物和第三化合物彼此不同,第一化合物包括至少一种电子传输基团,第二化合物和第三化合物不包含金属,第二化合物的HOMO能级绝对值和第三化合物的HOMO能级绝对值分别为5.30电子伏特至5.85电子伏特,第二化合物的HOMO能级绝对值与第三化合物的HOMO能级绝对值之间的差值为0.01电子伏特至0.30电子伏特。