Patent ID: 7933059

Claim:
A mirror device comprises a mirror array including a plurality of mirror elements for modulating an incident light emitted from a light source for controlling a reflecting direction of the incident light, wherein the mirror device further comprising: a coolant flow channel for containing and flowing a liquid coolant therethrough for cooling the mirror element; a device substrate for forming and supporting the mirror elements thereon; a package substrate for supporting and proper placement of the device substrate thereon; a heat dissipating device dissipating a heat conducting from the package substrate and the device substrate; the liquid coolant in said coolant flow channel dissipating the heat conducted to said heat-dissipating device; and the package substrate comprises a hole having an area smaller than the device substrate and the device substrate is disposed on a top surface of said package substrate covering said hole wherein the device substrate having a bottom surface exposed through said hole for contacting said heat dissipating device for dissipating heat therefrom.