Aspherical lens design for real light-emitting diode with flux compensation through angular flux mapping

Kuo Hao Liao; Ching Cherng Sun; Chi Shou Wu; Shih Kang Lin; Tsung Hsun Yang; Yeh Wei Yu

doi:10.1117/1.OE.60.9.091505

Aspherical lens design for real light-emitting diode with flux compensation through angular flux mapping

Kuo Hao Liao, Ching Cherng Sun, Chi Shou Wu, Shih Kang Lin, Tsung Hsun Yang, Yeh Wei Yu

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A design scheme for an aspherical lens including two step processes is proposed and demonstrated to direct appropriate flux to the expected target illumination. The first-step design is based on a point source and the surface geometry is determined. The flux deviation between the design and target illumination becomes the factor in the optimization process, and the angular flux compensation is done to adjust the light pattern. Finally, the experimental result shows that high similarity between the target and the measurement is observed and full width at half maximum angle error is within 3%, which are both better than those in the aspherical lens design based a point source and a real light-emitting diode without optimization by flux compensation.

Original language	English
Article number	091505
Journal	Optical Engineering
Volume	60
Issue number	9
DOIs	https://doi.org/10.1117/1.OE.60.9.091505
State	Published - 1 Sep 2021

Keywords

aspherical lens
illumination
light-emitting diode

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10.1117/1.OE.60.9.091505

Study of 50-M Solid-State Spot Light for High-Standard Stage Projection System(2/2)
Sun, C.-C. (PI)
1/08/21 → 31/10/22
Project: Research
Development of Optical-Design Compensation Technique to Extend Manufacture Tolerance for Led-Based Vehicle High-Contrast Headlamp( II )
Sun, C.-C. (PI)
1/06/20 → 31/05/21
Project: Research

Cite this

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title = "Aspherical lens design for real light-emitting diode with flux compensation through angular flux mapping",

abstract = "A design scheme for an aspherical lens including two step processes is proposed and demonstrated to direct appropriate flux to the expected target illumination. The first-step design is based on a point source and the surface geometry is determined. The flux deviation between the design and target illumination becomes the factor in the optimization process, and the angular flux compensation is done to adjust the light pattern. Finally, the experimental result shows that high similarity between the target and the measurement is observed and full width at half maximum angle error is within 3%, which are both better than those in the aspherical lens design based a point source and a real light-emitting diode without optimization by flux compensation. ",

keywords = "aspherical lens, illumination, light-emitting diode",

author = "Liao, {Kuo Hao} and Sun, {Ching Cherng} and Wu, {Chi Shou} and Lin, {Shih Kang} and Yang, {Tsung Hsun} and Yu, {Yeh Wei}",

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AU - Liao, Kuo Hao

AU - Sun, Ching Cherng

AU - Wu, Chi Shou

AU - Lin, Shih Kang

AU - Yang, Tsung Hsun

AU - Yu, Yeh Wei

PY - 2021/9/1

Y1 - 2021/9/1

N2 - A design scheme for an aspherical lens including two step processes is proposed and demonstrated to direct appropriate flux to the expected target illumination. The first-step design is based on a point source and the surface geometry is determined. The flux deviation between the design and target illumination becomes the factor in the optimization process, and the angular flux compensation is done to adjust the light pattern. Finally, the experimental result shows that high similarity between the target and the measurement is observed and full width at half maximum angle error is within 3%, which are both better than those in the aspherical lens design based a point source and a real light-emitting diode without optimization by flux compensation.

AB - A design scheme for an aspherical lens including two step processes is proposed and demonstrated to direct appropriate flux to the expected target illumination. The first-step design is based on a point source and the surface geometry is determined. The flux deviation between the design and target illumination becomes the factor in the optimization process, and the angular flux compensation is done to adjust the light pattern. Finally, the experimental result shows that high similarity between the target and the measurement is observed and full width at half maximum angle error is within 3%, which are both better than those in the aspherical lens design based a point source and a real light-emitting diode without optimization by flux compensation.

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Aspherical lens design for real light-emitting diode with flux compensation through angular flux mapping

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Projects

Study of 50-M Solid-State Spot Light for High-Standard Stage Projection System(2/2)

Development of Optical-Design Compensation Technique to Extend Manufacture Tolerance for Led-Based Vehicle High-Contrast Headlamp( II )

Cite this