| 摘要 |
A lighting unit including a first part (3) having a mounting structure (5); a second part (9) including at least one solid state lighting device (15) and a heat sink (17), said heat sink (17) being mounted in thermal contact with the solid state lighting device (15) such that at least some of the heat generated by the solid state lighting device (15) is transferred to the heat sink (17) by conduction, wherein the second part (9) is pivotable with respect to the first part (3); and a seal (21) arranged to seal the first part (3) to the second part (9), said seal (21) being arranged to deform to accommodate pivoting movement of the second part (9) with respect to the first part (3). |
