1
Chi Fai Cheung, Sandy To, Wing Bun Lee, Jin Bo Jiang, Wen Kui Wang: LED automotive fog lamp. The Hong Kong Polytechnic University, George G Wang, Wilkinson & Grist, September 6, 2011: US08011803 (6 worldwide citation)

A fog lamp may include a Lambertian LED, a collimating lens encompassing the Lambertian LED, a collimating surface including a total internal reflective surface and encompassing the collimating lens, and a corrugated surface attached to the collimating surface at an acute angle with respect to an op ...


2
Bo Wang, Suet To, Ka Chun Cheung, Wen Kui Wang: Optical lens and lighting device. THE HONG KONG POLYTECHNIC UNIVERSITY, Leydig Voit & Mayer, January 31, 2017: US09557099 (1 worldwide citation)

An optical lens for a light source has an incidence surface receiving light rays emitted from a light source and an aspherical emitting surface optically coupled with the incidence surface for receiving light rays from the incidence surface and emitting light rays received from the incidence surface ...


3
Chi Fai Cheung, Sandy To, Wing Bun Lee, Jin Bo Jiang, Wen Kui Wang: LED Automotive Fog Lamp. Hong Kong Polytechnic University, Wilkinson & Grist, September 9, 2010: US20100226143-A1

A fog lamp may include a Lambertian LED, a collimating lens encompassing the Lambertian LED, a collimating surface including a total internal reflective surface and encompassing the collimating lens, and a corrugated surface attached to the collimating surface at an acute angle with respect to an op ...