Polymer light-emitting material comprising a conjugated polymer and compound exhibiting light emission from the triplet excited state and polymer light-emitting device using the same

• Main Authors: Nakatani, Tomoya, Sekine, Chizu, Mikami, Satoshi, Kobayashi, Satoshi
• Format: Patent
• Language: English
• Published: 27.03.2012

3 8 1 2 1 2 2123456781 2 12 1 2 3 4 3 4 9103 4 34 3 4A polymer light emitting material which contains a polymer compound comprising a repeating unit of the following formula (1) or (2) and having a polystyrene-reduced number-average molecular weight of 10to 10, and which exhibits light emission from the triplet excited state. [wherein Arand Areach independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. Xand Xeach independently represent O, S, C(═O), S(═O), SO, C(R)(R), Si(R)(R), N(R), B(R), P(R) or P(═O)(R). Xand Arbond to adjacent carbon atoms in the aromatic ring of Ar; and Xand Arbond to adjacent carbon atoms in the aromatic ring of Ar]; [wherein Arand Areach independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. Xand Xeach independently represent N, B, P, C(R) or Si(R). Xand Arbond to adjacent carbon atoms in the aromatic ring of Ar; and Xand Arbond to adjacent carbon atoms in the aromatic ring of Ar].