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飞行甲板上仪表的LED背光

消耗积分:0 | 格式:rar | 大小:0.91 MB | 2017-06-12

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  飞行甲板上仪表的LED背光

  LED照明在航空电子世界得到了广泛的应用,几乎所有的内部和外部都安装了新的飞机设计。越来越多的飞机在现有飞机上进行改装。一个领域是较慢的纳入LED是驾驶舱,但现在正在改变,因为LED背光的仪表显示器越来越普遍。本文将概述为什么在飞行甲板上采用LED是缓慢的,以及如何克服技术上的挑战,如一致的调光和颜色稳定性。

  

  Figure 1: Advanced avionics systems, such as the Honeywell Primus Epic about to be installed on the next-generation Embraer E-Jet, are using larger LCDs with advanced graphics that require high-quality LED backlighting.

  Typical examples of LEDs used for lighting-instrument clusters will be examined, including the Lumex QuasarBrite™ devices. LED backlight drivers are key to backlight quality. Examples appropriate for the rigorous demands of the avionics industry include drivers from Atmel and Semtech. Evaluation kits from STMicroelectronics and Texas Instrumentsare worthy of inclusion here, as well.

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