In recent years the potential for the development of leds for study of the visible light function in life science is also well recognized despite the difficulties to be overcome . in this paper three led biology light sources were developed and have been used for cell biology experiments 近年来，研究开发led在生命科学中的应用受到日益广泛的关注，本论文的工作主要是研制出led生物光源，然后用该光源进行细胞生物学实验。
