LIGHT EMITTING DEVICE WITH AN IMPROVED CAALSIN LIGHT CONVERTING MATERIAL
摘要
<p>A light emitting device with a light source to emit primary light and a light conversion layer to convert at least a part of the primary light into secondary light includes a CaAlSiN light converting material with a transmissivity of ≧10% to ≦̸80% for a light in the wavelength range from ≧580 to ≦̸1000 nm.</p>
