某些材料是电致发光的，电致发光效应已经用于显示器背光的结构中。
Certain materials are electroluminescent, and this electroluminescent effect has been used in the construction of backlights for displays.
某些材料是电致发光的，电致发光效应已经用于显示器背光的结构中。
Certain materials are electroluminescent, and this electroluminescent effect has been used in the construction of backlights for displays.
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