Sunlight-viewable electroluminescent displays for military applications

Dominick Monarchie; Russell A. Budzilek; Frank Cupero

doi:10.1117/12.177807

17 June 1994 Sunlight-viewable electroluminescent displays for military applications

Dominick Monarchie, Russell A. Budzilek, Frank Cupero

Proceedings Volume 2219, Cockpit Displays; (1994) https://doi.org/10.1117/12.177807
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

Direct and reflected sunlight on open canopy crew stations can reduce perceived contrast below acceptable levels. A contrast ratio of 4 to 1 or greater in the ambient illumination is required for good discemability. Achieving this level of performance requires that background reflections off the display screen be suppressed while maintaining adequate light output levels from the display. Over the years, the display device which has enjoyed the most widespread use in cockpits is the cathode ray tube (CRT). However, reflected light from a CRT phosphor is typically 90% and light output levels of over 7000fL coupled with high attenuation optical filters are required for high ambient viewability. The resultant power consumption, short operating life and poor form factor have left much room for improvement.

Citation Download Citation

Dominick Monarchie, Russell A. Budzilek, and Frank Cupero "Sunlight-viewable electroluminescent displays for military applications", Proc. SPIE 2219, Cockpit Displays, (17 June 1994); https://doi.org/10.1117/12.177807

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