Light source module

A lighting source module comprising:

• a plurality of circuit boards;
• a plurality of light emitting devices disposed on the plurality of circuit boards;
• and
• a plurality of connector substrates connecting the plurality of circuit boards,
• wherein the light emitting devices emit light having different color temperatures and columns of light emitting devices emitting light having the same color temperature are disposed at both ends of the circuit boards,
• wherein the light emitting devices include a plurality of first light emitting devices emitting white light having a first color temperature and a plurality of second light emitting devices emitting white light having a second color temperature,
• wherein the plurality of circuit boards is disposed in a first direction,
• wherein each of the plurality of circuit boards has a different length from each other in the first direction,
• wherein the plurality of first light emitting devices disposed on the plurality of circuit boards are electrically connected to each other,
• wherein the plurality of second light emitting devices disposed on the plurality of circuit boards are electrically connected to each other, and
• wherein a number of the first light emitting devices and the second light emitting devices disposed on any one of the plurality of circuit boards is different.