A light emitting diode device includes: at least one light emitting diode chip, which includes a semiconductor unit, two electrodes that are disposed on an electrode-mounting surface of the semiconductor unit, a light-transmissive insulating layer that is disposed on the electrode-mounting surface and that has two via holes, a reflective metal layer disposed on a portion of the light-transmissive insulating layer, a protective insulating layer that is disposed on the reflective metal layer, a conductor-receiving insulating layer that has two conductor-receiving holes respectively in communication with the via holes, and two conductor units that are formed respectively in the conductor-receiving holes; and a light-transmissive envelope layer that covers a surface of the light emitting diode chip opposite to the electrode-mounting surface, that extends to cover outer lateral surfaces of the light emitting diode chip, and that is doped with a fluorescence powder.