Image carrier cartridge, an exposure head shielded from light, and image forming apparatus using these

摘要

An image carrier cartridge 25 comprises at least one image carrier 20 rotatably supported and exposure means 23 disposed at an exposure position for the image carrier 20 and the image carrier cartridge 25 is designed to be detachable relative to the body of an image forming apparatus. The exposure means 23 comprises an organic EL light emitting element array and an imaging optical system disposed in front of the organic EL light emitting element array, and a light shielding member 52, 53 for shielding ultraviolet rays is provided around the exposure means 23 . According to this structure, in the image carrier cartridge to which organic EL array exposure heads as the exposure means are attached, the organic EL array exposure heads can be prevented from being deteriorated due to ultraviolet rays.