Prof. Tsung-Xian Lee Profile

Prof. Tsung-Xian Lee

Associate Professor at National Taiwan Univ. of Science and Technology

SPIE Involvement:

Conference Program Committee | Author

Publications (25)

Proceedings Article | 13 March 2024 Presentation

Volume holographic waveguide combiner design for AR glasses

Tsung-Xian Lee, Wan-Pin Tsai, Yang-Kuan Tseng, Ching-Cherng Sun

Proceedings Volume PC12913, PC1291303 (2024) https://doi.org/10.1117/12.3002656

KEYWORDS: Waveguides, Design and modelling, Augmented reality, Monte Carlo methods, Geometrical optics, Diffraction, Volume holography, Holography, Glasses, Ray tracing

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Proceedings Article | 2 October 2023 Presentation

Adaptive automotive headlamp incorporated with using volume holographic optical element

Yong-Sheng Lin, Tsung-Xian Lee, Tsung-Hsun Yang, Yeh-Wei Yu, Ching-Cherng Sun

Proceedings Volume 12666, 126660C (2023) https://doi.org/10.1117/12.2676781

KEYWORDS: Headlamps, Holographic optical elements, Safety, Light sources and illumination, Design and modelling, Beam splitters, Visibility, Spherical lenses, Roads, Infrared radiation

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Proceedings Article | 15 August 2023 Poster + Paper

Optical design of refractive imaging spectrometer for semiconductor metrology

Wei-Jei Peng, Ming-Fu Chen, Tsung-Xian Lee

Proceedings Volume 12618, 1261821 (2023) https://doi.org/10.1117/12.2672269

KEYWORDS: Spectral resolution, Spectroscopy, Spectrographs, Distortion, Lens design, Blazed gratings, Diffraction gratings, Monochromatic aberrations, Optical design, Line scan image sensors

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Proceedings Article | 3 October 2022 Presentation + Paper

Adjustable mini-LED array applied to low/high beam meet the K-mark regulation

Chi Shou Wu, Quang-Khoi Nguyen, Yi-Jou Lin, Xuan-Hao Lee, Shih-Kang Lin, Tsung-Hsun Yang, Tsung-Xian Lee, Yeh-Wei Yu, Ching-Cherng Sun

Proceedings Volume 12217, 122170J (2022) https://doi.org/10.1117/12.2633034

KEYWORDS: Light emitting diodes, Light sources, Reflectors, Optical simulations, Light, Monte Carlo methods, Light sources and illumination, Optical design, Headlamps, Computer simulations

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SPIE Journal Paper | 2 July 2021

Dynamic spectral compensation of white LEDs in underwater illumination

Tsung-Xian Lee, Yi-Ming Li, Jian-Yu Shen, Chih-Hsuan Tsuei

OE, Vol. 60, Issue 09, 091506, (July 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.9.091506

KEYWORDS: Light emitting diodes, Light, Visibility, Absorption, Light scattering, Particles, Monte Carlo methods, Light sources, Optical engineering, Optical filters

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Proceedings Article | 23 August 2017 Paper

Visual ergonomic evaluations on four different designs of LED traffic signs

Yi-Chun Chen, Ting-Yuan Huang, Tsung-Xian Lee, Ching-Cherng Sun

Proceedings Volume 10375, 103750N (2017) https://doi.org/10.1117/12.2272932

KEYWORDS: Light emitting diodes, LED backlight, LED lighting, Light sources and illumination, Human subjects

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Proceedings Article | 16 February 2017 Paper

Design of an ultra-thin near-eye display with geometrical waveguide and freeform optics

Meng-Che Tsai, Tsung-Xian Lee

Proceedings Volume 10126, 101260R (2017) https://doi.org/10.1117/12.2253301

KEYWORDS: Waveguides, Freeform optics, Reflectors, Light sources, Microelectromechanical systems, Dispersion, Tolerancing, Polymethylmethacrylate, Mirrors, Optical design, Refractive index

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Proceedings Article | 7 September 2016 Paper

Novel remote phosphor design for laser-based white lighting application

Tsung-Xian Lee, Shuo-Chieh Chang, Ching-Chia Chou

Proceedings Volume 9954, 99540O (2016) https://doi.org/10.1117/12.2236652

KEYWORDS: Laser applications, Light sources and illumination, Laser development, Semiconductor lasers, Light sources, Light emitting diodes, Solid state lighting, Reflectivity, Waveguides, Collimation

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Proceedings Article | 17 July 2015 Paper

A portable inspection system to estimate direct glare of various LED modules

Po-Li Chen, Chun-Hsiang Liao, Han-Ting Chen, Yu-Hsin Lin, Yu-Hsiang Tang, Wei-Jei Peng, Hui-Jean Kuo, Tsung-Xian Lee, Hung-Chung Li, Pei-Li Sun, Shyh-Jye Jou

Proceedings Volume 9524, 95241X (2015) https://doi.org/10.1117/12.2189599

KEYWORDS: Image segmentation, Light emitting diodes, Inspection, Light sources and illumination, Light sources, Visualization, High dynamic range imaging, RGB color model, Optical inspection, Calibration

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Proceedings Article | 17 July 2015 Paper

Effects of various diffuser plates on illumination uniformity for reflective LED module

Po-Li Chen, Chun-Hsiang Liao, Han-Ting Chen, Wei-Jei Peng, Hui-Jean Kuo, Yu-Hsin Lin, Yu-Hsiang Tang, Tsung-Xian Lee

Proceedings Volume 9524, 95241W (2015) https://doi.org/10.1117/12.2189596

KEYWORDS: Reflectivity, Diffusers, Light emitting diodes, LED lighting, Lamps, Light sources and illumination, Data modeling, Optical simulations, Performance modeling, Diffusion

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Proceedings Article | 25 September 2014 Paper

Nonimaging achromatic lens design for LED direct-lit backlight applications

Meng-Che Tsai, Bo-Song Chen, Tsung-Xian Lee

Proceedings Volume 9192, 91920U (2014) https://doi.org/10.1117/12.2061176

KEYWORDS: Light emitting diodes, Lens design, LED backlight, Colorimetry, Light sources, Performance modeling, LED lighting, RGB color model, LED displays, Light

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Proceedings Article | 22 June 2013 Paper

Fabrication of a hybrid optical micro-component with a thermosetting polymer and glass

Wei-Yao Hsu, Tsung-Xian Lee, Chien-Yao Huang, Chun-Chieh Chen, Keng-Souo Chang, Hsiao-Yu Chou

Proceedings Volume 8769, 87693O (2013) https://doi.org/10.1117/12.2018928

KEYWORDS: Polymers, Glasses, Hybrid optics, Thermography, Confocal microscopy, Microscopes, Fabrication, Precision optics, Optical design, Glass molding

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Proceedings Article | 25 March 2013 Paper

The hybrid coupling element for light-correcting in Natural Light Illumination Systems (NLIS)

Chen Yi Yung, Chang Ya Hui, Allen Jong-Woei Whang, Lee Tsung-Xian

Proceedings Volume 8620, 86201T (2013) https://doi.org/10.1117/12.2003026

KEYWORDS: Optical fibers, Light, Light sources, Light sources and illumination, Coating, Optical components, Waveguides, Solar energy, Solar concentrators, Prisms

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Proceedings Article | 25 March 2013 Paper

Adjustable planar lightguide solar concentrators with liquid-prism structure

Yi-Yung Chen, Meng-Che Tsai, Allen Jong-Woei Whang, Tsung-Xian Lee

Proceedings Volume 8620, 862012 (2013) https://doi.org/10.1117/12.2004017

KEYWORDS: Waveguides, Solar concentrators, Prisms, Liquids, Solar energy, Solar cells, Switches, Illumination engineering, Tolerancing, Light sources

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Proceedings Article | 4 March 2013 Paper

Miniaturization of remote phosphor LED packages

Tsung-Xian Lee, Meng-Che Tsai, Ya-Huei Jhang, Chun-Chieh Chen, Chien-Yao Huang

Proceedings Volume 8641, 86411W (2013) https://doi.org/10.1117/12.2002026

KEYWORDS: Light emitting diodes, Luminous efficacy, Coating, Packaging, Light scattering, Particles, Scattering, Light sources, Solid state lighting, Monte Carlo methods

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Proceedings Article | 11 October 2012 Paper

Planar light source by using side-emitting of GaN die with top and bottom reflector

Ming-Siou Tsai, Ching-Cherng Sun, Cheng-Chien Chen, Tsung-Xian Lee, Chi-Shou Wu

Proceedings Volume 8486, 84860U (2012) https://doi.org/10.1117/12.929531

KEYWORDS: Light emitting diodes, Gallium nitride, Monte Carlo methods, Sapphire, Light sources, Waveguides, Reflectors, Reflectivity, Reflection, Refractive index

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Proceedings Article | 24 February 2010 Paper

Enhancement of angular flux utilization and light extraction efficiency based on micro array in GaN LEDs

Wei-Ting Chien, Tsung-Xian Lee, Ching-Cherng Sun, Shang-Yu Tsai

Proceedings Volume 7617, 76170A (2010) https://doi.org/10.1117/12.843436

KEYWORDS: Light emitting diodes, Gallium nitride, Monte Carlo methods, Ray tracing, Sapphire, Light sources and illumination, Absorption, Sun, Geometrical optics, Photonics

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Proceedings Article | 23 February 2009 Paper

Improvement in light extraction efficiency of high brightness InGaN-based light emitting diodes

Tsung-Xian Lee, Chuan-yu Luo, Tzer-Perng Chen, Ta-Cheng Hsu, Ming-Chi Hsu

Proceedings Volume 7216, 72161T (2009) https://doi.org/10.1117/12.808458

KEYWORDS: Light emitting diodes, Monte Carlo methods, Sapphire, Internal quantum efficiency, Zinc oxide, Patterned sapphire substrate, Photons, Reflection, Quantum efficiency, Nanorods

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Proceedings Article | 14 September 2007 Paper

Direct LED backlight for large area LCD TVs: brightness analysis

Shih-Hsun Chung, Ivan Moreno, Chih-To Hsieh, Wei-Ting Chien, Ching-Cherng Sun, Tsung-Hsun Yang

Proceedings Volume 6669, 666909 (2007) https://doi.org/10.1117/12.735508

KEYWORDS: Light emitting diodes, LCDs, LED backlight, Diffusers, Reflectivity, LED displays, Televisions, Transmittance, Light sources and illumination, Waveguides

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Proceedings Article | 8 February 2007 Paper

Light extraction analysis for GaN-based LEDs

Kuo-Fong Go, Te-Yuan Chung, Tung-Xian Lee, Ching-Cherng Sun

Proceedings Volume 6473, 64731P (2007) https://doi.org/10.1117/12.696868

KEYWORDS: Light emitting diodes, Monte Carlo methods, Ray tracing, Epoxies, Gallium nitride, Sapphire, Reflection, Refractive index, Absorption, Photons

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Proceedings Article | 17 July 2006 Paper

Optical modeling for LED in mid-field region

Ching-Cherng Sun, Shih-Ming Huang, Shih-Hsin Ma, Ya-Luan Lee, Tsung-Xian Lee

Proceedings Volume 6342, 634217 (2006) https://doi.org/10.1117/12.692274

KEYWORDS: Light emitting diodes, Monte Carlo methods, LED lighting, 3D modeling, Light sources, Light sources and illumination, Distance measurement, Scattering, Charge-coupled devices, Light scattering

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Proceedings Article | 10 February 2005 Paper

Combo HD-DVD and DVD pickup head with prisms

Ching-Cherng Sun, Wen-Shing Sun, Chuen-Lin Tien, Tsung-Xian Lee

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.576796

KEYWORDS: Digital video discs, Prisms, Head, Objectives, Semiconductor lasers, Beam splitters, Wavefronts, Optical design, Light sources, Sun

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Proceedings Article | 20 October 2004 Paper

Position-dependent analysis of light extraction of GaN-based LEDs

Chao-Ying Lin, Ching-Cherng Sun, Tsung-Xian Lee

Proceedings Volume 5530, (2004) https://doi.org/10.1117/12.566059

KEYWORDS: Light emitting diodes, Absorption, Monte Carlo methods, Light, Solid state lighting, Light sources, Light sources and illumination, Sun, Ray tracing, Energy efficiency

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SPIE Journal Paper | 1 August 2004

Enhancement of light extraction of GaN-based light-emitting diodes with a microstructure array

Ching-Cherng Sun, Chao-Ying Lin, Tsung-Xian Lee, Tsung-Hsun Yang

OE, Vol. 43, Issue 08, (August 2004) https://doi.org/10.1117/12.10.1117/1.1768943

KEYWORDS: Light emitting diodes, Light scattering, Scattering, Interfaces, Sapphire, Monte Carlo methods, LED lighting, Optical simulations, Gallium nitride, Solid state lighting

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