A luminance control apparatus of a liquid crystal display device (LCD) is presented. The LCD includes a liquid crystal display panel divided into areas, lamps, an arithmetic unit, and a lamp driver. Fewer lamps are present than the number of areas. The arithmetic unit scans pixels of each area, extracts...http://www.google.com.au/patents/US7609248?utm_source=gb-gplus-sharePatent US7609248 - Apparatus and method for luminance control of liquid crystal display device
