ORGANIC LIGHT-EMITTING COMPOSITION, DEVICE AND METHOD
申请人:Sumitomo Chemical Company Limited
公开号:US20140183469A1
公开(公告)日:2014-07-03
A light-emitting composition comprising a mixture of a fluorescent light-emitting material a triplet-accepting copolymer comprising a triplet-accepting repeat unit and a repeat unit of formula (I):
wherein A is a divalent group; R
1
independently in each occurrence is a substituent; R
2
in each occurrence is H or a substituent; and x independently in each occurrence is 0, 1, 2 or 3.