LIGHT EMITTING DEVICE AND BACKLIGHT MODULE USING SAME

摘要

Disclosed is a light emitting device (1) which is provided with: a light emitting element (10) composed of a semiconductor having a waveguide; an optical element (30), which is provided in the propagating direction of outputted light (50) emitted from the light emitting element (10), and which has a diffraction grating (30a) that receives the outputted light (50); and a phosphor layer (35), which is formed on the optical element (30) surface on the reverse side of the surface having the diffraction grating (30a) formed thereon.