Laser and phosphor hybrid source for projection display

Fei Hu; Yi Li

doi:10.1117/12.2005716

18 March 2013 Laser and phosphor hybrid source for projection display

Fei Hu, Yi Li

Proceedings Volume 8599, Solid State Lasers XXII: Technology and Devices; 85991K (2013) https://doi.org/10.1117/12.2005716
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

A light source based on blue laser and phosphor wheel is developed for portable projection displays. The phosphor wheel has multiple phosphor segments that can convert the blue laser to different color light. When the phosphor wheel is rotating, sequential color light will be generated. A color filter set is integrated with the phosphor wheel; therefore the color coordinates of each color light can be controlled to fulfill the requirements such as Rec. 709 standard. Thermal quenching of the phosphor is studied and improved to enhance the energy efficacy of this light source. Engineering samples were made to do performance, lifetime and reliability tests.

Citation Download Citation

Fei Hu and Yi Li "Laser and phosphor hybrid source for projection display", Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 85991K (18 March 2013); https://doi.org/10.1117/12.2005716

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