A multilayer compensator has two or more first layers and one or more second layers. The overall in-plane retardation of the compensator is from 0 to 300 nm and the out-of-plane retardation is more negative than −20 nm or more positive than +20 nm. The compensator may be fabricated by: coating at least...http://www.google.com.tw/patents/US7157736?utm_source=gb-gplus-share專利 US7157736 - Multi-layer compensation film including stretchable barrier layers