Implementation of Wide-Range Dimming Controller of LED Backlight for Avionics Displays

항공기 디스플레이용 LED Backlight의 광대역 Dimming Controller 구현

  • Published : 2007.11.30

Abstract

This paper describes an implementation of a wide-range dimming controller of a LED backlight for Avionics applications such as the control data unit(CDU) and multi-function display(MFD). A feedback controller using a light sensor is proposed to control the brightness in the low dimming range. The proposed controller provides an improved control performance in the wide dimming range of 1:3000 even under the temperature variations. The experimental results are provided to show the effectiveness of the proposed control system.

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