| 摘要 |
An LED apparatus (10) of the type having a mounting board (12), an LED package thereon with a primary lens (16), and a secondary lens member (20) over the primary lens and establishing a light path therebetween, includes a resilient member (22) against the secondary lens member in position other than in the light path, the resilient member yieldingly constraining the secondary lens member and accommodating secondary lens member movement caused by primary lens thermal expansion during operation. |
