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Printable functionalities for truly autonomous, intelligent lighting and signalling systems (PRIAM)
Start date: Jan 1, 2010, End date: Dec 31, 2012 PROJECT  FINISHED 

PRIAM addresses the development of two new product families:•Light emitting autonomous road signs•Autonomous car signals and taillightsThe underling technology consists on the integration on a plastic foil of:•A solar cell•A thin film battery•Solid state light sources•A sensor of ambient light•A Radio Frequency RF communication element•An energy management processing unit.The developed systems do not need to be connected to an external source of energy, there is no need of expensive cabling or dedicated infrastructures.The new road signs can be easily applied on existing road panels which will then be luminous assuring high visibility in all climate conditions. The average age of car drivers is continuously increasing with associated lower reaction times and lower visual acuity. Benefits are then straightforward in terms of road safety in that a relevant share of car accidents happens at night because of drivers' hesitations due to low visibility of road signs. While the car is approaching the road sign, the RF element communicates with the central processor of the car which can inform the driver by either presenting the information on the display or by a voice synthesizer.The new car signals and taillights are very thin and light; they can be easily integrated into the car body and do not need to be connected to the main battery system. The RF element assures the communication with the central computer and the pedal. The system represents a considerable advantage for conventional cars in terms of the overall lower systems complexity and reduction of fuel consume. However the major advantage is foreseen for the development of efficient electrical vehicle requiring low consume auxiliaries for higher range autonomy.The issue of low cost fabrication is addressed by implementing high throughput heterogeneous processes based on the integration of both printing and laminating technologies into roll-to-roll lines. Additionally, the car lighting systems become cheaper thanks to the low cost production, high throughput and processes implementation.The involvement of two renowned research institutions, two large industries and three SMEs, covering all aspects of the supply chain from research to the final installations, guarantees that the project results will be turned into innovative products having a direct large application potential and exploitable into several other products of the emerging flexible and organic electronics sector with a relevant impact on jobs and economy.

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