Finaly, I found what I was looking for. Two different libraries that can manage the SCDQ displays. They were for 4 digits displays only but that wasnt hard to change. If will someone looking fot them too, they are here:
https://code.google.com/p/arduino-scdq-intelligent-display/downloads/detail?name=SCDQ_Intelligent_Display.zip&can=2&q=
http://appzid.com/download/DispSCDQ554xx_v0.2.zip