| 摘要 |
A lighting device comprises a housing 15 having an array of LEDs (7, fig 3) and an air flow path. The air flow path is defined between an inlet 27 and outlet 21. Located in the air flow path is a heat sink 19 for receiving heat generated by the LEDs. Air moving means is mounted within the housing for forcing air along the air flow path. The air moving means may be an electric fan 23. The device may include filters and an illuminated magnifier. The light may be suitable for dentistry to provide illumination for colour matching. |
