A light-emitting device is provided, which includes a supporting member, a light-emitting element disposed on the supporting member to emit a light, and a fluorescent layer formed on the light-emitting element and having a thickness ranging from 80 to 240 μm, the fluorescent layer containing a light-transmitting member and a fluorescent substance having a particle diameter ranging from 20 to 45 μm at a concentration of 40 to 60 wt %.