A sunshade for a vehicle such as an automobile includes a housing that is adapted to be mounted to a vehicle window and a drum member mounted for rotation within the housing about which a flexible, weblike shade element is wound. In the 2D mode, the same data voltage of the 2D data format is applied to the first and second fine subpixels. The predoping material may be first mixed with the negative electrode active material in an electrode fabrication process, and later made to directly contact the negative electrode active material by adding an electrolyte and removing the protective shells of the predoping material. An inventory control processing unit receives item information from the intelligent stations to update inventory information regarding the items to be inventoried.