Frontiers of Optoelectronics, 2019, 12 (3): 249–267, 网络出版: 2019-11-14   

Development of optical-thermal coupled model for phosphor-converted LEDs

Development of optical-thermal coupled model for phosphor-converted LEDs
作者单位
1 School of Science, Shanghai Institute of Technology, Shanghai 201418, China
2 Zhejiang Emitting Optoelectronic Technology Co, Ltd., Zhejiang 314100, China
3 School of Material Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China
摘要
Abstract
In this review, first, we discussed the effect of phosphor features on optical properties by the software simulation in detail. A combination of these parameters: phosphor material, phosphor particle size and particle distribution, phosphor layer concentration, phosphor layer thickness, geometry, and location of the phosphor layer, will result in the final optical performance of the phosphor layer. Secondly, we introduced how to improve light extraction efficiency with various proposed methods. Thirdly, we summarized the thermal models to predict the phosphor temperature and the junction temperature. To stabilize the optical performance of phosphor-converted light emitting diodes (PC-LEDs), much effort has been made to reduce the junction temperature of the LED chips. The phosphor temperature, a critical reliability concern for PC-LEDs, should be attracted academic interest. Finally, we summed up optical-thermal coupled model for phosphors and summarized future optical- thermal issues exploring the light quality for LEDs. We foresee that optical-thermal coupled model for PC-LEDs should be paid more attention in the future.

, , , , , , , , . Development of optical-thermal coupled model for phosphor-converted LEDs[J]. Frontiers of Optoelectronics, 2019, 12(3): 249–267. Xinglu QIAN, Jun ZOU, Mingming SHI, Bobo YANG, Yang LI, Ziming WANG, Yiming LIU, Zizhuan LIU, Fei ZHENG. Development of optical-thermal coupled model for phosphor-converted LEDs[J]. Frontiers of Optoelectronics, 2019, 12(3): 249–267.

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