@patent{P104.002,
author={De Smet, H. and Van den Steen, J. and Van Doorselaer, G. and Van Calster, A.},
title={WO 2004/001715 A1 Refresh pixel circuit for active matrix},
booktitle={World Intellectual Property Organization, International Bureau},
year={2004},
month={1},
number={1715 A1},
pages={1-39+1-16},
series={WO},
}