December 2013
Intermediate to advanced
1200 pages
57h 13m
English
Content preview from Environment, Energy and Sustainable Development
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Environment, Energy and Sustainable Development – Sung, Kao & Chen (eds)
© 2014 Taylor & Francis Group, London, ISBN 978-1-138-00053-7
Freeform LED lens design for uniform rectangular illumination
using a new source-target mapping
Jun-Yuan Lai, Peng Lei & Peng Jin
School of Environment and Energy, Peking University Shenzhen Graduate School, Peking University,
Shenzhen, China
ABSTRACT: We proposed an approach to design a freeform LED lens for forming uniform rectan-
gular illumination from a point Lambertian source based on a new source-target mapping. The new
source-target mapping we present can be obtained analytically and the system geometry ...