Patent ID: 8686448

Claim:
A light emitting device, comprising: a substrate; a light reflecting layer that is formed on or above the substrate; a light emitting layer that is formed on or above the light reflecting layer; and an electrode that is formed on or above the light emitting layer, wherein, an optical path length in a resonance structure between the light reflecting layer and the electrode is adjusted, D={(2Ï€m+Ï† L +Ï† U )/4Ï€}Î» is satisfied when the optical path length between the light reflecting layer and the electrode is D, a phase shift in reflection by the light reflecting layer is Ï† L , a phase shift in reflection by the electrode is Ï† U , a peak wavelength of a standing wave generated between the light reflecting layer and the electrode is Î», and an integer of 2 or less is m, and the light reflecting layer is provided for each red, green, and blue pixels, and among the red pixel, green pixel and blue pixel light reflecting layers, at least one is made of a different metal material from the metal material used in the other light reflecting layers.