A lamp assembly (10) is provided. The lamp assembly includes a lamp cover (12) having a first end (120) and an opposite second end (122). The lamp cover tapers from the second end to the first end. A hydrophobic coating (128) is formed on and covers an outer surface of the lamp cover. A light source...http://www.google.ca/patents/US7762693?utm_source=gb-gplus-sharePatent US7762693 - Lamp assembly