High speed AM LCD flat panels are evaluated for use in Field Sequential Stereoscopic (FSS) 3D displays for military
and avionic applications. A 120 Hz AM LCD is used in field-sequential mode for constructing eyewear-based as well as
autostereoscopic 3D display demonstrators for test and evaluation. The COTS eyewear-based system uses shutter
glasses to control left-eye/right-eye images. The autostereoscopic system uses a custom backlight to generate
illuminating pupils for left and right eyes. It is driven in synchronization with the images on the LCD. Both displays
provide 3D effect in full-color and full-resolution in the AM LCD flat panel. We have realized luminance greater than
200 fL in 3D mode with the autostereoscopic system for sunlight readability. The characterization results and
performance attributes of both systems are described.
This study investigated the impact on near to eye displays on both operational and visual
performance employing a human-in-the-loop simulation of straight-in ILS approaches while
using a near to eye (NTE) display. The approaches were flown in simulated visual and
instrument conditions while using either a binocular NTE or a monocular NTE display on
either the dominant or non dominant eye. The pilot's flight performance, visual acuity, and
ability to detect unsafe conditions on the runway were tested.
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.
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