Patent ID: 7719560
Filing Date: 2010-05-18
Classification: B41J

Abstract:
1. A line head, comprising: a light emitter array comprised of a plurality of light emitter blocks located apart in a main scan direction, each of the light emitter blocks having at least one row of light emitter devices arranged in the main scan direction; a lens array having a plurality of positive lens systems, the positive lens systems corresponding to a light emitter block; and a stop plate having a plurality of aperture stops, the stop plate being located between the light emitter array and the lens array, wherein an aperture stop is located near a light-gathering position of the positive lens system when parallel light is entered from a write plane side, the light emitter array has the light emitter blocks on a first surface of a transparent substrate, the lens array is located on a second surface that is on a side opposite to the first surface of the transparent substrate, and the stop plate is in contact with the second surface of the transparent substrate.