Title :
Junction temperature measurement on the light-emitting diodes lamp for space applications
Author :
Lu, W. ; Zhang, T. ; He, S.M. ; Zhang, B. ; Li, N. ; Liu, S.S.
Author_Institution :
Nat. Lab. for Infrared Phys., Chinese Acad. of Sci., Shanghai, China
Abstract :
The LED device for illumination in space application has been well done in the past few years, including the in cabin application on bio-science satellite in 2007 and out cabin application on spacecraft in 2008 to shine on the first human step in space of Chinese astronaut. The thermal property of assembled LED lamp has been experimentally characterized by a recently developed spectroscopy method, where the LED emission peak shift is used to indicate the junction temperature of LED device in lamp. The measurement precision on the LED junction temperature is about 1K, which could be used to check the thermal quality of LED lamp used for space application.
Keywords :
LED lamps; aerospace instrumentation; lighting; temperature measurement; LED; illumination; junction temperature measurement; light-emitting diode lamp; spacecraft; Gallium nitride; Junctions; Physics; Propulsion;
Conference_Titel :
Optoelectronic and Microelectronic Materials and Devices (COMMAD), 2010 Conference on
Conference_Location :
Canberra, ACT
Print_ISBN :
978-1-4244-7334-2
Electronic_ISBN :
1097-2137
DOI :
10.1109/COMMAD.2010.5699697
