【雷军回应小米自研发光材料】雷军发文称：小米是国内首家能从发光材料层做研发的手机厂商，我们在屏幕技术上的投入是长期的、坚定的。去年我们打造了红色主材，今年又突破了绿色主材。这里面最核心，第四代pTSF是中国首创的底层显示技术方案，由我们与清华团队一道，历经两年多的时间，将实验室理论转为最终工程量产。
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