Patent ID: 8368098

Claim:
A light emitting device comprising: a light emitting semiconductor chip including an active layer, a light emitting portion, and a protective film, said active layer formed of a nitride III-V group compound semiconductor, said light emitting portion including said nitride III-V group compound semiconductor, said protective film formed on said light emitting portion, wherein said light emitting semiconductor chip is not hermetically sealed, said protective film contains a first dielectric film formed of aluminum oxynitride, a second dielectric film formed of silicon nitride or silicon oxynitride, and a third dielectric film formed of an oxide or a fluoride, said first dielectric film is located more toward said light emitting portion than said second dielectric film, said second dielectric film is located more toward said light emitting portion than said third dielectric film, said light emitting semiconductor chip contains a nitride III-V group compound semiconductor, and said light emitting semiconductor chip is a semiconductor laser chip.