In November 2007, Gemalto announced the introduction of the world's first driver license incorporating a clear window security feature. Under a contract agreed with the Swedish Road Administration, Gemalto is to supply 600,000 Sealys Window driver licenses per year for a period of up to five years. Gemalto’s latest innovation in security printing features meets the stringent specifications set forth by the criminal laboratory and national road authority of Sweden. The Swedish Road Administration began issuing the new driver license to the general public in December 2007.

More info... [in Swedish only]
Case study: New Swedish Driver License