Patent ID: 8801229

Claim:
An illuminating device, comprising: a case including a fluid inlet, a fluid outlet and two partition grooves; a heat sink block slidably disposed in the case, wherein the heat sink block includes a carrying platform and a fluid channel, the fluid channel is conformally disposed in the partition grooves and is communicated with the fluid inlet and the fluid outlet; a light-emitting diode array disposed in the case and located on the carrying platform of the heat sink block, wherein the fluid channel is located under the light-emitting diode array; two waterproof plastic sheets, respectively overlaying the fluid inlet and the fluid outlet, wherein each of the waterproof plastic sheet has a first opening and each of the first openings is communicated with the fluid channel; and two covers, respectively overlaying the waterproof plastic sheet and a part of the case, wherein each of the covers has a second opening, and the second openings are respectively corresponding to the first openings, a fluid flows through the fluid channel via the second openings and the first openings so as to discharge heat from the light-emitting diode array.