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US 12,619,171 B2Granted
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
AssigneeCanon Kabushiki Kaisha
InventorsTatsuya Ohsawa, Kunihiko Sekido, Shuhei Iwasaki, Naoyuki Matsumoto
Life of this patent
Estimating the term…
Abstract
An electrophotographic photosensitive member including: a support, a charge generating layer, and a charge transporting layer in this order, wherein the charge transporting layer contains: a compound represented by the formula (A-1), and at least one selected from the group consisting of a compound represented by the formula (A-2) and a compound represented by the formula (A-3).
Claims8
An electrophotographic photosensitive member comprising:
- a support, a charge generating layer, and a charge transporting layer in this order,
- wherein the charge transporting layer comprises:
- a compound represented by a following formula (A-1), and
- at least one selected from the group consisting of a compound represented by a following formula (A-2) and a compound represented by a following formula (A-3),
1 more element
A process cartridge comprising:
- an electrophotographic photosensitive member and at least one unit selected from the group consisting of a charging unit, a developing unit, and a cleaning unit,
- the process cartridge integrally supporting the electrophotographic photosensitive member and the at least one unit, and being detachably attachable to a main body of an electrophotographic apparatus,
- wherein the electrophotographic photosensitive member comprises:
- a support, a charge generating layer, and a charge transporting layer in this order,
- wherein the charge transporting layer comprises:
- a compound represented by a following formula (A-1), and
- at least one selected from the group consisting of a compound represented by a following formula (A-2) and a compound represented by a following formula (A-3),
4 more elements
An electrophotographic apparatus comprising:
- an electrophotographic photosensitive member,
- an exposing unit,
- a charging unit,
- a developing unit, and
- a transfer unit,
- wherein the electrophotographic photosensitive member comprises:
- a support, a charge generating layer, and a charge transporting layer in this order,
- wherein the charge transporting layer comprises:
- a compound represented by a following formula (A-1), and
- at least one selected from the group consisting of a compound represented by a following formula (A-2) and a compound represented by a following formula (A-3),
7 more elements
Dependencies are inferred from the claim text.