High-resolution LCD projector for extra-wide-field-of-view head-up display

Robert D. Brown; David H. Modro; Gerhardt A. Quast; Robert B Wood

doi:10.1117/12.485731

10 September 2003 High-resolution LCD projector for extra-wide-field-of-view head-up display

Robert D. Brown, David H. Modro, Gerhardt A. Quast, Robert B Wood

Proceedings Volume 5080, Cockpit Displays X; (2003) https://doi.org/10.1117/12.485731
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

LCD projection-based cockpit displays are beginning to make entry into military and commercial aircraft. Customers for commercial Head-Up Displays (HUDs)(including airframe manufacturers) are now interested in the adaptation of the technology into existing and future HUD optical systems. LCD projection can improve mean-time-between-failure rates because the LCDs are very robust and the light sources can be replaced with scheduled maintenance by the customer without the need for re-calibration. LCD projectors promise to lower the cost of the HUD because the cost of these displays continues to drop while the cost of CRTs remain stable. LCD projectors provide the potential for multi-colors, higher brightness raster, and all-digital communication between the flight computer and display unit. Another potential benefit of LCD projection is the ability to increase field of view and viewing eyebox without exceeding existing power budgets or reducing display lifetime and reliability compared to the capabilities provided by CRTs today. This paper describes the performance requirements and improved performance of a third-generation LCD projection image source for use in a wide field of view head-up display (HUD) optical system. This paper will focus on new HUD requirements and the application of various technologies such as LCOS microdisplays, arc lamps, and rear-projection screens. Measured performance results are compared to the design requirements.

Citation Download Citation

Robert D. Brown, David H. Modro, Gerhardt A. Quast, and Robert B Wood "High-resolution LCD projector for extra-wide-field-of-view head-up display", Proc. SPIE 5080, Cockpit Displays X, (10 September 2003); https://doi.org/10.1117/12.485731

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