Patent ID: 7976194
Filing Date: 2011-07-12
Classification: F21V,F21W,F21Y

Abstract:
1. In an LED apparatus including a mounting board, an LED device thereon with a primary lens defining a light-emission axis, and a secondary lens member axially aligned over and at least partially abutting the primary lens and establishing a light path therebetween, the secondary lens member including a lens portion and a flange thereabout, the improvement comprising: a cover having an opening aligned with the light path and securing the secondary lens member over the LED device, the secondary lens member being axially movable in response to abutment of lenses due to primary-lens thermal expansion during operation; and a resilient gasket member between the cover and the flange, the cover pressing the gasket and the flange of the secondary lens member toward the mounting board, the resilient gasket member being axially compressible permitting secondary-lens-member axial movement to maintain lens alignment and stability of the LED apparatus.