Solid state lighting is a new semiconductor lighting source, which takes advantage of the energy saving, no-pollution and long lifetime.
固体白光照明节能省电、无污染、长寿命，是替代白炽灯和荧光灯的新一代半导体光源。
It is shown hat the process of virtual photons shortens the lifetime of atom in excitation state, and remits in drift of energy levels of the ground state of atom.
结果表明，虚光子过程使原子处在激发态的寿命缩短，并导致原子的基态能漂移。
A formula of energy storage in three-level system is deduced, which is different from the previous results in which the upper state lifetime is taken as the energy storage time.
推导了准三能级系统的储能公式。此公式与以前的结果不同，认为有效储能时间不等于上能级寿命。
A formula of energy storage in three-level system is deduced, which is different from the previous results in which the upper state lifetime is taken as the energy storage time.
推导了准三能级系统的储能公式。此公式与以前的结果不同，认为有效储能时间不等于上能级寿命。
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