Patent ID: 8089077

Claim:
A light-emitting element array, which has a structure in which a plurality of light-emitting element array chips are arranged in a staggered manner, comprising the plurality of light emitting element array chips each light emitting element array chip including: a light-emitting portion array consisting of a plurality of light-emitting portions linearly arranged in a main scanning direction; and a micro-lens array including a respective micro-lens formed on each of the light-emitting portions of the light emitting portion array, wherein each light-emitting element array chip has a surface including a bonding pad, which feeds power to the light-emitting portion array through a wire, and a resin pattern, and wherein the resin pattern comprises the micro-lenses, a resin surface surrounding the micro-lenses, and a stray-light prevention wall for preventing light from a light-emitting portion on one of the plurality of light emitting element array chips from being reflected by the wire of the bonding pad of another one of the plurality of light emitting element array chips.