发光谱呈较宽的线形，其效率约为1%—5 %。
The broad luminescence band is emitted with an efficiency of 1-5%.
光谱十分接近于太阳光谱， 从而使灯的发光效率及显色性大为提高。
Spectrum very close to the solar spectrum, so that the light-emitting efficiency and light color of greatly improved.
器件的电致发光光谱有着明显的变化，器件颜色由蓝光到近白光改变极其明显，器件的亮度和器件的效率也有不同程度的改变。
There is a clear electroluminescent spectral changes, the color of the device changes from blue to white obviously, and its brightness and the efficiency had different degrees of change.
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