Abstract
We present a simple freeform lens design method for an application to LED collimating illumination. The method is derived from a basic geometric-optics analysis and construction approach. By using this method, a highly collimating lens with LED chip size of 1.0 mm×1.0 mm and optical simulation efficiency of 86.5% under a view angle of ± 5 deg is constructed. To verify the practical performance of the lens, a prototype of the collimator lens is also made, and an optical efficiency of 90.3% with a beam angle of 4.75 deg is measured.
| Original language | English |
|---|---|
| Pages (from-to) | 10984-10995 |
| Number of pages | 12 |
| Journal | Optics Express |
| Volume | 20 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 2012 May 7 |
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All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
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Freeform lens design for LED collimating illumination. / Chen, Jin Jia; Wang, Te Yuan; Huang, Kuang Lung; Liu, Te Shu; Tsai, Ming Da; Lin, Chin Tang.
In: Optics Express, Vol. 20, No. 10, 07.05.2012, p. 10984-10995.Research output: Contribution to journal › Article
TY - JOUR
T1 - Freeform lens design for LED collimating illumination
AU - Chen, Jin Jia
AU - Wang, Te Yuan
AU - Huang, Kuang Lung
AU - Liu, Te Shu
AU - Tsai, Ming Da
AU - Lin, Chin Tang
PY - 2012/5/7
Y1 - 2012/5/7
N2 - We present a simple freeform lens design method for an application to LED collimating illumination. The method is derived from a basic geometric-optics analysis and construction approach. By using this method, a highly collimating lens with LED chip size of 1.0 mm×1.0 mm and optical simulation efficiency of 86.5% under a view angle of ± 5 deg is constructed. To verify the practical performance of the lens, a prototype of the collimator lens is also made, and an optical efficiency of 90.3% with a beam angle of 4.75 deg is measured.
AB - We present a simple freeform lens design method for an application to LED collimating illumination. The method is derived from a basic geometric-optics analysis and construction approach. By using this method, a highly collimating lens with LED chip size of 1.0 mm×1.0 mm and optical simulation efficiency of 86.5% under a view angle of ± 5 deg is constructed. To verify the practical performance of the lens, a prototype of the collimator lens is also made, and an optical efficiency of 90.3% with a beam angle of 4.75 deg is measured.
UR - http://www.scopus.com/inward/record.url?scp=84861158339&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84861158339&partnerID=8YFLogxK
U2 - 10.1364/OE.20.010984
DO - 10.1364/OE.20.010984
M3 - Article
C2 - 22565721
AN - SCOPUS:84861158339
VL - 20
SP - 10984
EP - 10995
JO - Optics Express
JF - Optics Express
SN - 1094-4087
IS - 10
ER -