Electrons and holes injected into the polymer film form bound states called excitons that break down under electrical current, emitting light as they do so.

电子和空穴注入高分子膜所形成的界态称为电子空穴对，电子空穴对冲破电流的阻碍，于是便产生了光。

youdao

Electrons and holes injected into the polymer film form bound states called excitons that break down under electrical current, emitting light as they do so.

电子和空穴注入高分子膜所形成的界态称为电子空穴对，电子空穴对冲破电流的阻碍，于是便产生了光。

youdao