Time Multiplexed Optical Shutter (TMOS) is a new approach to flat panel light valve display technology that addresses
display requirements in avionics applications, particularly head-down cockpit deployments. TMOS modulates the local
transmission of light from a waveguide coextensive with the screen. The architecture requires fewer, larger on-screen
features (e.g., TFTs) than prevailing technologies because it exploits field sequential color techniques. Methods to
mitigate color break up are presented. TMOS exhibits lower power consumption, lower weight, a simplified architecture,
and better visual quality than incumbent display technologies while overcoming their limitations (e.g., poor light
efficiency, and size/weight constraints due to yield and backlighting). TMOS should meet avionics needs without
additional ruggedization enhancements, offers high immunity to EMP, and can be constructed from transparent materials
(allowing z-axis redundancy to improve cockpit ergonomics). Respecting the avionics market, TMOS has advantages
over incumbent display technologies, including lower sensitivity to temperature variation, greater immunity to vibration,
higher system efficacy (power in to light out), and larger dimming ratios. The status of TMOS development and its fit
within avionics applications is addressed.
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