Patent ID: 6844888
Filing Date: 2005-01-18
Classification: B41J,G02B

Abstract:
1. An image writing device in which a photosensitive member is illuminated with light emitted from a light source through a collective lens, comprising: a light source constituted of a transparent substrate on one surface of which emission segments are formed and the other surface of which is used as a light emission surface; and a collective lens configured so as to face said light emission surface of said transparent substrate, wherein said light source is formed by connecting plural light source pieces constituted of respective transparent substrate pieces on one surface of each of which emission segments are formed and the other surface of each of which is used as a light emission surface in a length direction, and a thickness of an emission segment formed in regions covering as far as a specific distance inward from both ends of a light source piece is smaller than that of an emission segment in the other region.