Freeform Optics for LED Packages and Applications - Wang, Kai a Liu, Shen (Huazhong University of Science and Technology, Wuhan, Hubei, China) a Luo, Xiaobing a Wu, Dan

A practical introduction to state-of-the-art freeform optics design for LED packages and applications By affording designers the freedom to create complex, aspherical optical surfaces with minimal or no aberrations, freeform design transcends the constraints imposed by hundreds of years of optics design and fabrication.