并且采用湿法刻蚀技术，制备了该结构的LED芯片，测试得到该种LED芯片出光效率较之普通LED芯片提高了33%。

Then the LED of this kind of structure is gotten by means of wet etching, and its efficiency increases by 33% compared with normal LED.

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并且采用湿法刻蚀技术，制备了该结构的LED芯片，测试得到该种LED芯片出光效率较之普通LED芯片提高了33%。

Then the LED of this kind of structure is gotten by means of wet etching, and its efficiency increases by 33% compared with normal LED.

youdao