“PN LED”的概念、定义、翻译、参考文献-科学参考

单词	PN LED
释义	PN LED Encyclopedia 工学固态光源释 homostructure pn junction LEDPN LED pn结LED指基于pn结构的发光二极管，具有p极和n极两级。在适当的正向偏置电压下可以发光，属于自发辐射。pn结LED有同质pn结和异质pn结。同质pn结是指材料相同，但导电类型不同的材料形成的pn结。
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