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According to the requirements on minimizing the package size, guaranteeing the performance uniformity and improving the manufacturing efficiency in LEDs, a Chip Scale Packaging (CSP) technology has been developed to produce white LED chips by impressing a thin phosphor film on LED blue chips. In this paper, we prepared two types of phosphor-converted white LED CSPs with high color rendering index...
By using a blue light source converted by phosphors to obtain white light emission, phosphor-converted white light emitting diodes (pc-white LEDs) are becoming as one of substitutes of traditional general lighting sources due to their advantages in energy saving, environment-friendliness, color controllability and long lifetime. Within pc-white LEDs, the phosphor films consisting of inorganic phosphor...
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