A method and means for flash charging a plurality of phosphorescent-coated, touch-sensitive keys using a planar, light-transmissive multicolor liquid crystal display (LCD) where the tripping event is the position of a lid of the notebook within a critical angle of the base. ...http://www.google.com.tw/patents/US5793358?utm_source=gb-gplus-share專利 US5793358 - Method and means for managing a luminescent laptop keyboard
