| 摘要 |
<p>The invention relates to a light emitting device, especially a LED comprising a green emitting material of the composition Sr5-y-z-aMySi23-xAl3+xOx+2aN37-x-2a:Euz:Cez1. This material has been found to have a narrow emission in the green wavelight range together with a good producibility and stability.</p> |
