| abstract |
The present invention provides a polymer light emitting device having a light emitting layer between an anode and a cathode and having a hole transporting layer between the light emitting layer and the anode, wherein the hole transporting layer is a repeating unit represented by the following Compound I, a repeating unit represented by the following Chemical Formula II, and It provides a polymer light emitting device, characterized in that the layer containing a polymer compound comprising a repeating unit represented by the formula (III).n n n <Formula I>n n n n n n n n (In Formula I, R < 1> , R < 2> , R < 3> and R < 4> may be same or different, respectively represent a hydrogen atom or an alkyl group, and R < 5> , R < 6> , R < 7> and R < 8> may be the same or different. Each may represent an alkyl group or the like, a, b, c and d may be the same or different, each represent an integer of 0 to 3, and each of a plurality of R 5 , R 6 , R 7 and R 8 are present; In this case, they may be the same or different.)n n n <Formula II>n n n n n n n n (In Formula II, Ar 1 represents a divalent aromatic amine.)n n n <Formula III>n n n n n n n n (In Formula III, Ar < 2> represents an arylene group or a bivalent heterocyclic group.) |