Patent ID: 6544670
Filing Date: 2003-04-08
Classification: C08G,C09K,G03G,H01L,H05B,Y10S,Y10T

Abstract:
A hole transporting polymer comprising a repeating structural unit represented by the following general formula (5), and having a polystyrene-reduced number-average molecular weight of from 103 to 107: wherein Ar9 and Ar11 independently represent an arylene group having 6 to 30 carbon atoms, an aromatic amine group represented by the following general formula (6) or an arylene ethenylene group represented by the following general formula (7); Ar10 represents an aryl group having 6 to 30 carbon atoms, an aromatic amine group represented by the following general formula (8) or an arylene ethenylene group represented by the following general formula (9); a ring may be formed between Ar9 and Ar10, or A9 and Ar11, or Ar10 and Ar11; and R8, R9, R10 and R11 independently represent a hydroxy group, an alkyl or alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, a group represented by the following general formula (10 ) or (12), or a divalent oxygen atom which is bonded to an intramolecular silicon atom by crosslinking or to an intermolecular silicon atom by crosslinking: wherein Ar12 and Ar13 independently represent an arylene group having 6 to 30 carbon atoms; R12 represents an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 30 carbon atoms; and a ring may be formed between Ar12 and Ar13, or Ar12 and R12, or Ar13 and R12: wherein Ar14 and Ar15 independently represent an arylene group having 6 to 30 carbon atoms; and R13 and R14 independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 30 carbon atoms: wherein Ar16 represents an arylene group having 6 to 30 carbon atoms; R15 and R16 independently represent an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 30 carbon atoms; and a ring may be formed between Ar16 and R15, or Ar16 and R16, or R15 and R16: wherein Ar17 represents an arylene group having 6 to 30 carbon atoms; R17 and R18 independently represent hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 30 carbon atoms; and Ar18 represents an aryl group having 6 to 30 carbon atoms: wherein Ar19 and Ar21 independently represent an arylene group having 6 to 30 carbon atoms, an aromatic amine group represented by the above general formula (6) or an arylene ethenylene group represented by the above general formula (7); Ar20 represents an aryl group having 6 to 30 carbon atoms, an aromatic amine group represented by the above general formula (8) or an arylene ethenylene group represented by the above general formula (9); and a ring may be formed between Ar19 and Ar20, or Ar19 and Ar21, or Ar20 and Ar21; R19 and R20 independently represent a hydroxy group, an alkyl or alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or divalent oxygen atom which is bonded to an intramolecular silicon atom by crosslinking or to an intermolecular silicon atom by crosslinking; R21 represents hydrogen atom or a group represented by the following general formula (11): wherein R22, R23 and R24 independently represent a hydroxy group, an alkyl group or alkoxy group having 1 to 20 carbon atoms, or an aryl group having 6 to 30 carbon atoms: wherein R25, R26 and R27, independently represent an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylene ethenylene group represented by the above general formula (9) or an aromatic amine group represented by the following general formula (13): wherein Ar22 represents an arylene group having 6 to 30 carbon atoms, an aromatic amine group represented by the above general formula (6) or an arylene ethenylene group represented by the above general formula (7); Ar23 and Ar24 independently represent an aryl group having 6 to 30 carbon atoms, an aromatic amine group represented by the above general formula (8) or an arylene ethenylene group represented by the above general formula (9).