As compared with traditional packaging method, the coating method with phosphors away from the LED chip can improve the luminous efficiency by more than 5%.

与传统封装方法相比，采用荧光粉远离芯片的封装方法可使发光效率提高5%左右。

youdao

As compared with traditional packaging method, the coating method with phosphors away from the LED chip can improve the luminous efficiency by more than 5%.

与传统封装方法相比，采用荧光粉远离芯片的封装方法可使发光效率提高5%左右。

youdao