Abstract

Flight assessment of three flat-panel display technologiesEllis F. HillBattelle, National Security Division505 King Avenue, Columbus, OH 43201ABSTRACTFlat panel display technologies which could replace obsolete airborne cathode ray tubes (CRTs)are still in the development stage and not available as mass produced items. Flight andlaboratory assessments were conducted on three technologies: Active Matrix Liquid CrystalDisplay (AMLCD), AC Gas Plasma Display (ACGPD), and Thin Film Electroluminescent (TFEL).1. INTRODUCTIONMilitarized I 0 inch monochrome Cathode Ray Tube (CRT) display units are used in the B-52(ASQ-1 51 and ASQ-1 75) and B-I B (ASQ-I 84) to display real-time video from steerable television(STV), forward looking infrared (FLIR), and radar sensors, as well as graphics/text in a stand-alone or a video overlay presentation. These 25-30 year old CRT displays are becomingunsupportable due to the obsolesence ofthe technology in these units. The number of U.S.sources for replacement CRT tubes is very limited. Advances in flat panel display technologiesmake them likely candidates to replace the obsolete CRT display units. The performancecharacteristics of the candidate flat panel display technologies must meet or exceed those givenin Table I forthe CRTs to be replaced.Table I . Specified Characteristics of the CRT Display UnitsActive Area: 8 inches (horizontal) by 6 inches (vertical)Luminance: Not Specified (Measured as 160 ft.)Contrast:

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