Patent ID: 8189640

Claim:
A laser light emitting device comprising: a common support body; a common metal wiring disposed on the common support body; a GaN-based semiconductor laser diode having a first positive electrode and a first negative electrode and being disposed on the common metal wiring, one electrode of the first positive electrode and the first negative electrode being bonded to the common metal wiring and the other electrode of the first positive electrode and the first negative electrode being connected to a first lead wire, the GaN-based semiconductor laser diode having a nonpolar plane as a main surface for crystal growth; an AlInGaP-based semiconductor laser diode having a second positive electrode and a second negative electrode and disposed on the common metal wiring, one of the second positive electrode and the second negative electrode having a same electrical polarity as said one electrode being bonded to the common metal wiring to which said one electrode is bonded to, and the other of the second positive electrode and the second negative electrode being connected to a second lead wire; and a third lead wire connected to the common metal wiring for supplying a common electric potential to the GaN-based semiconductor laser diode and the AlInGaP-based semiconductor laser diode via the common metal wiring, wherein the first lead wire and the second lead wire are each connected to a respective different voltage terminal, the first lead wire and the second lead wire each having a driving voltage for emitting light being supplied thereto from the respective voltage terminal.