| 摘要 |
An underwater lighting unit 1 comprises an array of light emitting diodes 13 that are mounted within a cavity of a metal housing 10, and a transparent screen 22 for covering and protecting the light emitting diodes 13. The screen 22, side walls 12 and a back wall 11 of the housing 10 are in direct contact with the water to provide a degree of cooling for the light emitting diodes 13. In the preferred embodiment, the underwater lighting unit 1 is used on marine vessel or ship, whereby the underwater lighting unit 1 is further attached to a cofferdam 2 of the ship. |
