利用SiO2散射体改善多芯片白光led的相关色温均匀性

2015 International Symposium on Next-Generation Electronics (ISNE) Pub Date : 2015-05-04 DOI:10.1109/ISNE.2015.7131963

Chia-Nan Wang, Nguyen Thi Thu Khanh, N. Q. Anh

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引用次数: 1

摘要

提出并演示了两种新型多芯片白光led (mcw - led)结构，包括磷-石英结构和硅-石英结构。与非sio2封装相比，在mcw - led中使用所提出的结构，CCT偏差最多可降低约48%。当SiO2的加入量为5%~10%时，可使mcw - led具有较好的角色均匀性和较高的流明输出。

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Improving the correlated color temperature uniformity of multi-chip white LEDs by SiO2 scatters

Two new multi-chip white LEDs (MCW-LEDs) structures are proposed and demonstrated, including the phosphor-quartz structure and the silicone-quartz structure. In comparison with the non-SiO2 packages, the CCT deviation can drop about 48% at most by using the proposed structures in the MCW-LEDs. The participation of about 5%~10% SiO2 can accomplish the MCW-LEDs with the improved angular color uniformity and the high lumen output optimally.

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2015 International Symposium on Next-Generation Electronics (ISNE)

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