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LCD instrument panels incorporating the following new techniques have been developed and put into practical use. The back illumination using white-light cold cathode discharge tubes, coupled with added dye and twisted nematic LCD panels, represents a liquid crystal display with good visibility and high-quality appearance. In addition, a fast display response time of less than 0.1 seconds at −30°C, and a two-toned display on a single segment have been achieved by the adoption of a heating system and three polarizers.

THIS PAPER presents an advanced heads-up display which has been newly developed for use in 88 Nissan Silvia model. The HUD consists of a projector with a newly developed high brightness VFD and light-selective film used as a combiner which is coated on the windshield. This combination provides good display legibility even under bright sunlight. The display shows the vehicle speed in a three-digit reading at distance of more than one meter from the driver's eyes. The windshield-coated combiner conforms to U.S. safety standards concerning light transmittance, abrasion and other performance requirements. Experimental data are also presented which substantiate the HUD's high legibility and confirm its effect in enhancing the driver's attention toward the road ahead