Samsung Electronics Co. Ltd. of Seoul, South Korea, has begun mass production of its 40-in. “optical sensor in pixel” interactive LCD panels, which feature advanced optical sensors. The panels can detect more than 50 touch points simultaneously and can display images with high-definition resolution and wide-angle viewing. The input functions of a keyboard, mouse or scanner can be performed on the panel. In other news, Samsung has renewed its license agreement with miniaturization technologies developer !%Tessera Technologies Inc.%! of San Jose, Calif., for another five years. Tessera said Samsung extended its Jan. 1, 2005, license agreement – scheduled to expire May 17, 2012 – to May 17, 2017. According to the agreement, Samsung will pay royalties on a quarterly basis for semiconductor chip-scale package patents owned by Tessera.