Patent ID: 8292466
Filing Date: 2012-10-23
Classification: F21V,F21Y,G02B

Abstract:
1. A lens comprising: a first transparent member comprising a bottom surface, a Fresnel lens surface and a first sidewall, a first receiving portion defined in the bottom surface and configured for receiving an LED, the Fresnel lens surface configured for aligning light from the LED, the first sidewall configured for refracting the light from the LED, the first sidewall being located between the Fresnel lens surface and the bottom surface; and a second transparent member comprising a second bottom surface, an upper surface and a second sidewall, a second receiving portion defined in the second bottom surface and receiving the first transparent member therein, the upper surface configured for reflecting the light through the Fresnel lens surface to radiate laterally, the second sidewall comprising a first passing surface and a second passing surface, the first passing surface configured for transmitting the light reflected by the upper surface, and the second passing surface configured for refracting the light through the first sidewall, the first and second passing surface having different profiles.