diode luminescence

例句：

1. 1.The new LED light bulbs are much brighter than the old ones.
   新型LED灯泡比旧的要亮得多。
2. 2.The diode luminescence is a crucial component in many electronic devices.
   二极管发光是许多电子设备中的关键组件。
3. 3. The scientists discovered that the diode luminescence could be used to detect cancer cells.
   科学家们发现，二极管发光可以用来检测癌细胞。