High-performance large-area AMLCD avionic display module

Daniel D. Syroid; Glenn A. Hansen

doi:10.1117/12.210967

5 June 1995 High-performance large-area AMLCD avionic display module

Daniel D. Syroid, Glenn A. Hansen

Proceedings Volume 2462, Cockpit Displays II; (1995) https://doi.org/10.1117/12.210967
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

There is a need for a reliable source of high performance large area sunlight readable active matrix liquid crystal displays (AMLCDs) for avionic and military land vehicle applications. Image Quest has developed an avionic display module (ADM) to demonstrate the capability to produce high performance avionic displays to satisfy this need. The ADM is a large area (6.24 X 8.32 inch) display with VGA compatible interface, 640 X 480 color pixels and 64 gray shades per primary color. The display features excellent color discrimination in full sunlight due to a saturated color gamut, very low specular reflectance (< 1%) and high output white luminance (200 fL). The ADM is designed from the glass up to fully meet the avionic and military application and environment. Control over all the display performance parameters including contrast, transmission, chroma, resolution, active size and packaging configuration is ensured because Image Quest produces all of the critical elements of the display. These elements include the a-Si TFT AMLCD glass, RGB color filter matrix, bonding of folded back driver TABs, anti-reflective cover glass, LC heater and integration of high luminance hot cathode backlight with thermal controls. The display features rugged compact packaging, 2000:1 luminance dimming range and wide operating temperature range (-40 to +71 $DRGC). In the immediate future Image Quest plans to expand the development efforts to other similar custom high resolution and high performance avionic display module configurations including 4 X 4 inch delta triad, 6.7 X 6.7 inch delta triad and 16.5 inch diagonal with 1280 X 1024 pixels. Image Quest can deliver up to 10,000 displays per year on a timely basis at a reasonable cost.

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Daniel D. Syroid and Glenn A. Hansen "High-performance large-area AMLCD avionic display module", Proc. SPIE 2462, Cockpit Displays II, (5 June 1995); https://doi.org/10.1117/12.210967

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KEYWORDS

LCDs

Glasses

Reflectivity

Optical filters

Defense technologies

Packaging

Temperature metrology

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