现有的白色二极管同样基于蓝色的光——源于这种颜色的光是用于激发一种由钇铝石榴石组成的磷光层。
Existing white LEDs are also based on blue ones, the light from which is used to excite a phosphor layer made of yttrium aluminium garnet (YAG).
在含时密度泛函方法水平上，我们以分子的基态、激发态优化几何为基础分别研究了它们的吸收和磷光性质。
At the TD-DFT level, absorptions and phosphorescence properties of the studied molecules were calculated on the basis of the optimized ground - and excited-state geometries, respectively.
采用RF—5301PC荧光分光光度计测定激发光谱、发射光谱和磷光衰减曲线；
The photoluminescence spectra and the decay curves were recorded on RF-5301PC.
所述磷光体被从所述半导体装置发射的光激发而发射光，所述光具有不同于由所述半导体装置发射的光的波长。
The phosphor is excited by the lights emitted from the semiconductor devices to emit light having a wavelength different from those of the lights emitted from the semiconductor devices.
本发明的目的是提供具有高的激发三重态能级并完全约束了发磷光物质的三重态激发的发射层中的主体化合物。
The invention aims at providing host compounds for light-emitting layers which have high excited triplet energy levels and can completely confine phosphor triplet excitons.
本发明的目的是提供具有高的激发三重态能级并完全约束了发磷光物质的三重态激发的发射层中的主体化合物。
The invention aims at providing host compounds for light-emitting layers which have high excited triplet energy levels and can completely confine phosphor triplet excitons.
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