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Proceedings Paper

High-performance 4x4-inch AMLCD for avionic applications
Author(s): Daniel D. Syroid; Glenn A. Hansen; Ed Boling
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Paper Abstract

There is a need for high performance flat panel displays to replace and upgrade the electromechanical flight indicators and CRT based displays used in the cockpits of many older aircraft that are in active service today. The need for replacement of these older generation instruments is well known in the industry and was discussed in a previous paper by Duane Grave of Rockwell Collins. Furthermore, because of the limited activity in new aircraft development today, the need to upgrade existing aircraft avionics is accelerating. Many of the electromechanical instruments currently provide flight indications to the pilot and include horizontal situation (HSI) and attitude director indicators (ADI). These instruments are used on both military and commercial aircraft. The indicators are typically housed in a 5ATI case that slides into a 5 inch square opening in the cockpit. Image Quest has developed a 4 by 4 inch active area, flight quality, high resolution, full color, high luminance, wide temperature range display module based on active matrix liquid crystal display (AMLCD) technology that has excellent contrast in full sunlight. The display module is well suited for use in electronic instruments to replace or upgrade the electro-mechanical 5ATI flight indicators. THe AMLCD based display offers greatly improved display format flexibility, operating reliability and display contrast in all ambient lighting conditions as well as significant short and long term cost of ownership advantages.

Paper Details

Date Published: 30 May 1996
PDF: 8 pages
Proc. SPIE 2734, Cockpit Displays III, (30 May 1996); doi: 10.1117/12.241008
Show Author Affiliations
Daniel D. Syroid, Image Quest Technologies, Inc. (United States)
Glenn A. Hansen, Image Quest Technologies, Inc. (United States)
Ed Boling, Image Quest Technologies, Inc. (United States)


Published in SPIE Proceedings Vol. 2734:
Cockpit Displays III
Darrel G. Hopper, Editor(s)

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