Minolta Company, Ltd.

Minolta Camera Kabushiki Kaisha

Shigeaki Tokutake

Keiichi Inagaki

Hideaki Ueda

Yuki Shimada

Teiko Edo

Mitsutoshi Sakamoto

Kimiyuki Ito

Teiko Yamaguchi

The present invention relates to an organic photoreceptor unit that has a conductive base unit, a charge generating layer formed on the conductive base unit, a first charge transport layer that is formed on the charge generating layer and contains a first bonding resin and a first charge transport material, and a second charge transport layer that is formed on the first charge transport layer and contains a second bonding resin including denatured polycarbonate resin, fluorine resin particles and a second charge transport material, wherein the content of the second charge transport material relative to the second bonding resin is larger than the content of the first charge transport material relative to the first bonding resin.

Organic photoreceptor unit

Photosensitive member for electrophotography

The present invention provided a photosensitive member for electrophotography having excellent durability and adhesion between a surface protective layer and a photosensitive layer. In the photosensitive member for electrophotography wherein at least the photosensitive layer and the surface protective layer are laminated on an electroconductive support in this order, the characteristic is that said surface protective layer comprises at least polysiloxane and silyl group-containing vinyl resin.

Photosensitive member for electrophotography with specic surface protective layer

An electrophotographic photosensitive member is provided which does not involve any image noise occurrence, such as black spot or white spot under any environment. The electrophotographic photosensitive member comprises a photoreceptor substrate including an anodized layer formed on the surface of an aluminum or aluminum alloy base, the anodized layer having been sealed by a low temperature sealing treatment and a high temperature sealing treatment, and at least one photosensitive layer formed on the photoreceptor substrate.

Substrate for photosensitive member, photosensitive member, production

The present invention relates to an improvement of a photosensitive member having a photosensitive layer which contains a specific amino compound as a charge transporting material.

Photosensitive member having photosensitive layer which comprises amino

The present invention relates to a photosensitive member comprising a charge generating material, a charge transporting material, a binder resin and a specified electronattracting material, preferably further specified hindered phenol compound.

Photosensitive member comprising electronattracting compound and

A photosensitive member is disclosed, which comprises a photosensitive layer containing a fluorescent bleaching agent comprising a coumarin compound represented by the formula (I): ##STR1##

Photosensitive member containing specific coumarin fluorescent bleaching

The present invention relates to a photosensitive member comprising a specified distyryl compound as a charge transporting material. The specified distyryl compound may be used in combination with a specified silicone oil and a specified butyrated phenol.

Growing community of inventors

Takatsuki, Japan

Shigeaki Tokutake