PURPOSE: A light emitting module is provided to change the arrangement and location of light emitting devices, thereby saving constructing time. CONSTITUTION: A substrate(10) comprises a first pad and a second pad. The first pad and the second pad are separated from each other. More than one carrier(20) moves along the first pad and the second pad. More than one light emitting device(30) is mounted on the carrier which has one light emitting device. The first pad is parallel with the second pad.
