Patent ID: 8614045

Claim:
A liquid developer comprising: a liquid insulator; and toner particles including a resin material, a colorant, a substance A, a substance B, and a substance C, the substance A being an acrylic-modified silicone; the substance B being at least one selected from the group consisting a quaternary cationic silicone, an aminophenyl-modified silicone, and a phenyl-modified silicone, the substance C being at least one of a silanol-containing polysiloxane and a fluorine-modified silicone, an average degree of roundness R 1 of the toner particles is 0.890 or greater, the degree of roundness being equal to L 0 /L 1 , where L 1 (μm) is a circumference of a profile view, which has a size in area, of a measured particle and L 0 (μm) is the circumference of a profile view of a perfect circle which has the size in area.