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EE Times-India > Optoelectronics/Displays

Displays enable situation-based info systems

Posted: 26 May 2009     Print Version  Bookmark and Share

Keywords:TFT  automotive displays  LED backlighting 

Situation-based driver information relating to the driving situation, e.g. speed, fuel level and hazard warnings, cannot be provided with conventional instruments. The information needs of front and rear passengers are normally different to those of drivers. One way of making information situation-based is to use TFT displays. Like no other type of display, these liquid crystal screens offer a high level of visual quality, flexibility and configurability. TFTs are available in virtually any size. In general, use in vehicles makes special requirements of TFT panels in terms of temperature resilience and mechanical load capacity through vibration. Some automotive displays are specially designed for these conditions, with operating temperatures from -30°C to +85°C. The latest trend in automotive displays is also towards LED backlighting, which has better starting properties than conventional CCFL backlighting, especially at low outside temperatures, and is more resistant to vibration and impacts.

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