777 LCD backlight life

Robert D. Smith-Gillespie; Daniel D. Syroid

doi:10.1117/12.177788

17 June 1994 777 LCD backlight life

Robert D. Smith-Gillespie, Daniel D. Syroid

Author Affiliations +

Proceedings Volume 2219, Cockpit Displays; (1994) https://doi.org/10.1117/12.177788
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

To ensure reliability goals for the 777 display systems are met, Honeywell began a three and one-half year life test of the display backlight systems in July of 1992. To date, sixteen backlight assemblies have accumulated over 12,500 hours of test operation using a luminance profile that is representative of that expected for 777 flight operations. This paper describes design and operating characteristics, life test design, and life test results for the backlight systems of the 777 flight deck displays.

Citation Download Citation

Robert D. Smith-Gillespie and Daniel D. Syroid "777 LCD backlight life", Proc. SPIE 2219, Cockpit Displays, (17 June 1994); https://doi.org/10.1117/12.177788

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