Patent ID: 11880162
Assignee: FUJIFILM BUSINESS INNOVATION CORP.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The electrophotographic photoreceptor according to claim 2, wherein the charge transport material contains at least one selected from triarylamine derivatives represented by structural formula (a-1) below and benzidine derivatives represented by structural formula (a-2) below:, (wherein, in structural formula (a-1), ArT1, ArT2, and ArT3 each independently represent a substituted or unsubstituted aryl group, —C6H4—C(RT4)═C(RT5)(RT6), or —C6H4—CH═CH—CH═C(RT7)(RT8); RT4, RT5, RT6, RT7, and RT8 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group;, (wherein, in structural formula (a-2), RT91 and RT92 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 5 carbon atoms, or an alkoxy group having 1 to 5 carbon atoms; RT101, RT102, RT111, and RT112 each independently represent a halogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, an amino group substituted with an alkyl group having 1 or 2 carbon atoms, a substituted or unsubstituted aryl group, —C(RT12)═C(RT13)(RT14), or —CH═CH—CH═C(RT15)(RT16), and RT12, RT13, RT14, RT15, and RT16 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; Tm1, Tm2, Tn1, and Tn2 each independently represent an integer of 0 or more and 2 or less.