An OLED device comprising a cathode, an anode, and having located therebetween a light emitting layer containing an emitting compound having formula (I):
(piq)
b
M ppy (I)
wherein piq is a phenylisoquinoline group and ppy is a phenylpyridine group bearing at least one further substituent on the pyridine ring, wherein M is Ir, Rh, Pt, or Pd and b is 2 in the case of Ir and Rh and 1 in the case of Pt and Pd.
一种 OLED 器件,包括一个阴极和一个阳极,在阴极和阳极之间有一个发光层,该发光层含有具有式 (I) 的发光化合物:
(piq)
b
M ppy (I)
其中 piq 是苯基
异喹啉基团,ppy 是苯基
吡啶基团,在
吡啶环上含有至少一个取代基,其中 M 是 Ir、Rh、Pt 或 Pd,b 在 Ir 和 Rh 的情况下为 2,在 Pt 和 Pd 的情况下为 1。