Matsushita patents granted on 13 December 2011

4 US patents granted on 13 December 2011 and assigned to Matsushita

1 8,077,286 Liquid crystal display device
2 8,077,132 Flat display device and method of driving the same
3 8,076,631 Photodetector circuit
4 8,076,186 Method of laser annealing semiconductor layer and semiconductor devices produced thereby