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Although the optical simulations have been widely adopted to study phosphor-converted light-emitting diodes (pcLEDs), to the best of our knowledge, there is no study that investigates the pcLED model considering the effect of phosphor particles with irregular shapes. In order to explore this topic, we employ the finite-difference time-domain method to characterize the phosphor-converted element (PCE)...
YAG: Ce phosphor is widely used in LED industry with powder form to mix with silicone. The phosphor particle size is important by affecting optical performance of white LEDs in terms of luminous flux and angular color uniformity. This paper constructed a white LED optical model referring to CREE white LEDs. The optical simulation reveals that 2 μm phosphor particle presents the lowest luminous flux...
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