为了提高白光led的各项性能，克服现有技术的壁垒及不足，各种无荧光粉转换的新型结构的白光led应运而生。
In order to improve the performance of white LED and overcome the technology barriers, new structures of phosphor-free white LED are studied.
为了提高白光led的各项性能，克服现有技术的壁垒及不足，各种无荧光粉转换的新型结构的白光led应运而生。
In order to improve the performance of white LED and overcome the technology barriers, new structures of phosphor-free white LED are studied.
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