Dr. Chia-Ming Chang Profile

Dr. Chia-Ming Chang

Sr. Optical engineer at Liqxtal Technology Inc.

SPIE Involvement:

Author | Career Lab Leader | Leadership Workshop Facilitator

Area of Expertise:

Optics , Surface science , PDLC , Liquid crystal , Optical phase modulation , Optical device

Websites:

Company Website

Publications (9)

Proceedings Article | 13 March 2024 Poster

Pixelated displayable glasses with limited vision obstruction

Hung-Shan Chen, Chia-Ming Chang, Ming-Syuan Chen, Guo-Lin Hu, Chien-Chung Chen, Sung-Nan Chen, Yi Hung

Proceedings Volume PC12913, PC129130S (2024) https://doi.org/10.1117/12.3006146

KEYWORDS: Glasses, LCDs, Liquid crystals, Lenses, Web 2.0 technologies, Polarization, Opacity, Industry, Incident light, Image resolution

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SPIE Journal Paper | 11 October 2023 Open Access

Reflowable liquid crystal geometric phase element for vertical cavity surface emitting laser projector

Ming-Syuan Chen, Hung-Shan Chen, Sung-Nan Chen, Chien-Chung Chen, Yi Hung, Guo-Lin Hu, Chia-Ming Chang

JOM, Vol. 3, Issue 04, 041207, (October 2023) https://doi.org/10.1117/12.10.1117/1.JOM.3.4.041207

KEYWORDS: Liquid crystals, Vertical cavity surface emitting lasers, Projection systems, Floods, Diffusers, Switching, Phase distribution, Diffraction, Light sources and illumination, Optical gratings

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Proceedings Article | 8 March 2023 Presentation + Paper

Switchable pattern illuminator via liquid crystal geometric phase microlens array

Hung-Shan Chen, Ming-Syuan Chen, Sung-Nan Chen, Chien-Chung Chen, Yi Hung, Guo-Lin Hu, Chia-Ming Chang

Proceedings Volume 12428, 1242805 (2023) https://doi.org/10.1117/12.2651236

KEYWORDS: Diffusers, Liquid crystals, Switching, Projection systems, Microlens array, Microlens, Infrared cameras, Polymers

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Proceedings Article | 25 August 2017 Paper

Origins of Kerr phase and orientational phase in polymer-dispersed liquid crystal

Chia-Ming Chang, Yi-Hsin Lin, Victor Reshetnyak, Chui Ho Park, Ramesh Manda, Seung Hee Lee

Proceedings Volume 10361, 103610K (2017) https://doi.org/10.1117/12.2275579

KEYWORDS: Liquid crystals, Kerr effect, Polarization, Polarizers, Polymers, Crystal optics, Photonic devices, Modulators, Birefringence, Optical analysis

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Proceedings Article | 5 September 2015 Paper

An optical system adopting liquid crystals with electrical tunability of wavelength and energy density for low level light therapy

Chia-Ming Chang, Yu-Jen Wang, Hung-Shan Chen, Yi-Hsin Lin, Abhishek Srivastava, Vladimir Chigrinov

Proceedings Volume 9565, 95650K (2015) https://doi.org/10.1117/12.2188889

KEYWORDS: Wave plates, Liquid crystals, Polarizers, Optical filters, Light sources, Low level phototherapy, Solids, Transmittance, Phototherapy, Electrodes

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Proceedings Article | 5 September 2015 Paper

An optical image stabilization using a droplet manipulation on a liquid crystal and polymer composite film

Yu-Jen Wang, Chia-Ming Chang, Yu-Shih Tsou, Ming-Syuan Chen, Hung-Shan Chen, Yi-Hsin Lin

Proceedings Volume 9565, 95651C (2015) https://doi.org/10.1117/12.2188871

KEYWORDS: Liquids, Imaging systems, Liquid lenses, Liquid crystals, Modulation transfer functions, Polymers, Image sensors, Polymer thin films, Composites, Image quality

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Proceedings Article | 11 March 2015 Paper

A polarized liquid crystal lens with electrically switching mode and optically written mode

Hung-Shan Chen, Yi-Hsin Lin, Chia-Ming Chang, Yu-Jen Wang, Abhishek Srivastava, Jia-Tong Sun, Vladimir Chigrinov

Proceedings Volume 9384, 938413 (2015) https://doi.org/10.1117/12.2082622

KEYWORDS: Liquid crystals, Polarization, Switches, Glasses, Modulation transfer functions, Polymers, Ultraviolet radiation, Polarizers, Switching, Refractive index

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