A method is provided for increasing the speed at which a graphics image is displayed on a raster, such as in a liquid crystal display. The method incorporates off-line created look-up tables which are stored in a memory associated with a graphics processor unit. Thus, real time calculations are reduced...http://www.google.com.hk/patents/US6137471?utm_source=gb-gplus-share專利 US6137471 - High speed graphics fill of liquid crystal display