期刊
JOURNAL OF DISPLAY TECHNOLOGY
卷 9, 期 6, 页码 441-446出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JDT.2012.2226140
关键词
Light-emitting diodes (LEDs); glass phosphor; phosphor-converted LEDs (pc-LEDs); optical modeling
资金
- National Science Council [NSC 101-3113-E-110-003-CC2]
- Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, Taiwan
We proposed an optical model for phosphor-converted white LEDs (pc-WLEDs) that utilized Ce:YAG doped glasses as novel phosphor-converted materials. In this model, precise simulation of the chromatic performance of the glass-based pc-WLEDs was conducted. Between optical simulation and experimental measurement, the color difference Delta E was 1.2%. Meanwhile, the difference of correlated color temperature limited from 1 wt% to 5 wt% phosphor concentration between the simulation and measurement was 184 K. Such a model for glass phosphors will be helpful to design high-power glass-based pc-WLEDs.
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