Analysis showed that under the different condition of substrate materials, sizes of radiator, the flux LED bulbs attenuate different affect extent.
分析发现基板材料、散热器大小不同，达到平衡状态时的温度不同，对LED灯的光通量衰减影响程度不同。
Adequate illumination: LED lighting instant start and achieve the rated flux and no switching losses, LED light-emitting Angle can be adjusted to meet your variety of lighting needs.
LED照明瞬时启动，并达到额定光通量而且无开关损耗，LED发光角度可调节，满足您多种照明需要。
To raise permeate flux of ceramic membrane, reduce industrial specific power consumption, airlift circulation was led into membrane bioreactor under the suction filtration.
为了降低陶瓷膜-生物反应器的能耗、同时提高膜的渗透通量，本文将气升式外循环引入膜-生物反应器的设计。
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）。
The light flux of the DLP micro-projector used for the LED mixed light is increased.
该混光光源可以提高LED光源的DLP微型投影机的光通量。
The present invention belongs to the optical source measuring technical field, in particular to an LED light flux measuring method.
本发明属于光源测量技术领域，具体为一种LED光通量测量方法。
The present invention adopts a reflective cup as an LED light flux collecting device.
本发明采用反光杯作为LED光通量收集装置。
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。
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。
At the same time, the leakage current was minimum and light output was maximum. Then the leakage current increased and luminous flux reduced for green LED.
同时，两种LED的反向漏电也最小、光通量最大，随后绿光led的反向漏电增加较快且光通量衰减较快。
The life of white LED using epoxy resins to mix fluorescent powder is shorter than silica gel, hut initial luminous flux is higher about 25 %.
使用环氧树脂作为配粉胶比用硅胶寿命短，但初始光通量相对高出25％。
The life of white LED using epoxy resins to mix fluorescent powder is shorter than silica gel, hut initial luminous flux is higher about 25 %.
使用环氧树脂作为配粉胶比用硅胶寿命短，但初始光通量相对高出25％。
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