Patent 7883244 was granted and assigned to Foxsemicon Integrated Technology on February, 2011 by the United States Patent and Trademark Office.
An exemplary illuminating device includes a light source container, a light source and a drying chamber. The light source container includes a receiving room. The light source is received in the receiving room. The drying chamber has desiccant received therein and communicates with the receiving room. The desiccant is configured for absorbing moisture in the illuminating device, therefore, drying the illuminating device.