US Patent 7347638 Pen with a storage function

A pen with a storage function includes a penholder, an end of which is installed with a storage device, enabling a USB (Universal Serial Bus) connector of the storage device to be protruded out of the penholder, for connecting with an external computer to download data. A chosen place on a surface of the penholder is installed with a light pervious casing, and an inner wall of the penholder, corresponding to the light pervious casing, is surrounded with at least one solar power flashing LCD (Liquid Crystal Display), such that when the LCD has absorbed sufficient solar energy, commercial prints on the LCD can be flashingly displayed.