| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device including an exposing unit in which element deterioration of light emitting element is reduced.SOLUTION: An image forming device includes an exposure head having a first organic EL element array 601a in which a plurality of first organic EL elements 300a are arrayed, and a second organic EL element array 601b in which a plurality of second organic EL elements 300b are arrayed. A light emitting surface size of the first organic EL element 300a is larger than the light emitting surface size of the second organic EL element 300b. An image is formed on a photoreceptor drum by the light emitted from the first organic EL element array 601a and the second organic EL element array 601b. When the color of each pixel of the image in a predetermined range is the same color, the first organic EL element array 601a emits light, and when at least one part of the pixels is a different color, the second organic EL element array 601b emits light. |
