The luminous intensity, luminous flux and color coordinate of high-power white LED have relations with different place.
研究了在蓝光芯片加黄色荧光粉制备白光LED方法中，色坐标位置对光通量的影响。
By improving the optical encapsulation, the luminous flux of LED can be improved greatly.
经过光学封装技术的改善，可以大幅度地提高大功率LED灯串的出光率（光通量）。
Disclosed is a measurement system of LED instant luminous flux driven by PWM, which belongs to the field of measurement.
一种PWM驱动方式下LED瞬时光通量的测试系统，属测量领域。
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