A storage device for display cells, in accordance with the present invention, includes a first conductive layer, a second conductive layer having a first side and a second side, the sides being opposite each other. The first conductive layer is spaced apart from the first side of the second conductive...http://www.google.de/patents/US6278502?utm_source=gb-gplus-sharePatent US6278502 - Pixel capacitor formed from multiple layers
