22 May 2006 Improved LED backlight with unique color and intensity control and NVIS capability
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Abstract
Currently deployed conventional flat panel AMLCD displays employ fluorescent lamp backlights to achieve the required lighting levels for cockpits in high performance aircraft. Advances have been made in backlighting technology by replacing fluorescent lamps with high performance LEDs. However, these new LED-based backlights are lacking in control of color and luminance intensity especially when related to NVIS requirements in a cockpit. This paper describes a unique integration of LED, electronic, and optical components to meet the requirements of high performance aircraft over their extreme range of operating environments. The LED-based backlight utilizes state-of-art components to enable daylight, night, and NVIS requirements to be implemented in a simple cost-effective package. The performance results presented highlight the advantages of this new design when compared to currently available backlighting designs. Techniques as described in section 2 of this paper are covered under patent application to the US and International Patent Offices.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert Herman, Pete Zagar, Ted Ulijasz, Hans C. Hansen, Fred Ellner, "Improved LED backlight with unique color and intensity control and NVIS capability", Proc. SPIE 6225, Defense, Security, Cockpit, and Future Displays II, 62250B (22 May 2006); doi: 10.1117/12.669395; https://doi.org/10.1117/12.669395
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