This thesis focuses on downstream package industry to research the method for improving light efficiency of LED.

本文主要针对下游LED封装进行研究，阐述LED发光效率提升的方法。

youdao

This thesis focuses on downstream package industry to research the method for improving light efficiency of LED.

本文主要针对下游LED封装进行研究，阐述LED发光效率提升的方法。

youdao