叙述了从现象的发现到理论分析，然后用实验进行验证，最后利用这个现象研制成注入光敏器件的全过程，从而证明注入光敏器件有牢靠的物理基础。文中还分析了文献［１～５、１０］中的几个主要不同论点及欠妥的讨论方法。 Described from the phenomenon of the discovery to the theoretical analysis, and then verified by experiments, and finally the use of this phenomenon developed into the whole process of injection of light-sensitive devices to prove the injection of light-sensitive devices have a solid physical foundation. The paper also analyzes several main differences in the literature [1 ~ 5,10] and the discussion of defects.