Wei-Chi Lai

Professor

  • 4449 Citations
  • 33 h-Index
19982020
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Research Output 1998 2019

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Conference contribution
2015

Efficiency improvement of the light-emitting diodes by the lateral overgrowth GaN on an AlN nanorod template

Lan, W. Y., Yin, Y. F., Tsai, C. H., Ma, M. X., Li, H. W., Lai, W. C. & Huang, J., 2015 Jan 1, Fourteenth International Conference on Solid State Lighting and LED-Based Illumination Systems. Dietz, N., Huang, J-J., Kane, M. H. & Jiao, J. (eds.). SPIE, 95710O. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9571).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aluminum Nitride
Nanorods
Diode
nanorods
Light emitting diodes
2014

Improved light extraction of nitride-based flip-chip light-emitting diodes by forming air voids on Ar-implanted sapphire substrate

Yeh, Y. H., Sheu, J-K., Lee, M. L., Chen, P. C., Yang, Y. C., Yen, C. H. & Lai, W-C., 2014 Jan 1, Thirteenth International Conference on Solid State Lighting. Jiao, J., Kane, M. H., Dietz, N. & Huang, J-J. (eds.). SPIE, 91900Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9190).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flip chip
Nitrides
Aluminum Oxide
Sapphire
Voids
2013

Efficiency enhancement of InGaN/GaN multiple quantum well solar cells using CdS quantum dots and distributed Bragg reflectors

Tsai, Y. L., Lin, C. C., Han, H. V., Chen, H. C., Chen, K. J., Lai, W-C., Sheu, J-K., Lai, F. I., Yu, P. & Kuo, H. C., 2013 Jun 10, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices II. 86201M. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8620).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Distributed Bragg reflectors
InGaN
Reflector
Quantum Well
Bragg reflectors
2012

GaN-based LEDs grown on cone-shaped patterned sapphire substrates with peripheral air voids by lateral etching

Lin, N. M., Shei, S. C., Chang, S. J., Lai, W. C., Yang, Y. Y., Lin, W. C. & Lo, H. M., 2012 Jan 1, Equipment Manufacturing Technology. p. 542-546 5 p. (Advanced Materials Research; vol. 422).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sapphire
Light emitting diodes
Cones
Etching
Substrates
2011

Characteristics of InGaN/sapphire-based photovoltaic devices with different superlattice absorption layers and buffer layers

Yang, C. C., Sheu, J-K., Huang, M. S., Tu, S. J., Huang, F. W., Chang, K. H., Lee, M. L. & Lai, W-C., 2011 May 13, Gallium Nitride Materials and Devices VI. 79391J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7939).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

InGaN
Superlattices
Aluminum Oxide
Sapphire
Buffer layers

Enhanced hydrogen gas generation rate by n-GaN photoelectrode with immersed finger-type indium tin oxide ohmic contacts

Liu, S. Y., Ye, J. C., Lin, Y. C., Chang, K. H., Lee, M. L., Lai, W. C. & Sheu, J. K., 2011 May 13, Gallium Nitride Materials and Devices VI. 793925. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7939).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ohmic contacts
Tin oxides
indium oxides
Indium
tin oxides
2008
1 Citation (Scopus)

Alternating current bias-assisted photoenhanced oxidation of n-GaN in dionized water

Hsueh, T. H., Lai, W. C., Yeh, C. Y., Sheu, J. K., Peng, L. C., Chang, K. H., Wu, S. E., Liu, C. P., Gault, B. & Ringer, S. P., 2008 Dec 1, Proceedings of the 2008 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD'08. p. 1-3 3 p. 4802077. (Conference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bias currents
Oxidation
Water
Aluminum Oxide
Gallium

High-speed and high-power GaN-based cascade green light emitting diode arrays for in-car data communication

Shi, J. W., Chen, P. Y., Chen, C. C., Guol, S. H., Sheu, J-K. & Lai, W-C., 2008 Dec 1, 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2008. p. 888-889 2 p. 4688907. (Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
Railroad cars
Plastic optical fibers
Communication
Modulation
6 Citations (Scopus)

The application of rapid prototyping for the design and manufacturing of transtibial prosthetic socket

Hsu, L. H., Huang, G. F., Lu, C. T., Lai, W-C., Chen, Y-M., Yu, I. C. & Shih, H. S., 2008, Advanced Manufacture: Focusing on New and Emerging Technologies - Selected, peer Reviewed Papers from the 2007 International Conference on Advanced Manufacture. Trans Tech Publications Ltd, Vol. 594. p. 273-280 8 p. (Materials Science Forum; vol. 594).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

rapid prototyping
Rapid prototyping
Prosthetics
manufacturing
plasters
2007

Phosphor-free GaN-based cascade transverse junction light emitting diode arrays for the high-power generation of white-light

Shi, J. W., Guol, S. H., Sheu, J-K., Lai, W-C., Wang, C. K., Chen, C. H., Kuo, C. H. & Chyi, J. I., 2007 Dec 1, LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings. p. 584-585 2 p. 4382541. (Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bias currents
Phosphors
Semiconductor quantum wells
Power generation
Light emitting diodes
2006

Modulation-speed enhancement of a GaN based green light-emitting-diode (LED) by use of n-type barrier doping for plastic optical fiber (POF) Communication

Huang, H. Y., Shi, J. W., Wu, Y. S., Chyi, J. I., Sheu, J-K., Lai, W-C., Lin, G. R. & Pan, C. L., 2006, Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006. 4628795

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical fiber communication
Plastic optical fibers
plastic fibers
barrier layers
Light emitting diodes

Modulation-speed enhancement of a GaN based green light-emitting-diode (LED) by use of n-type barrier doping for plastic optical fiber (POF) Communication

Huang, H. Y., Shi, J. W., Wu, Y. S., Chyi, J. I., Sheu, J. K., Lai, W. C., Lin, G. R. & Pan, C. L., 2006 Jan 1, Quantum Electronics and Laser Science Conference, QELS 2006. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical fiber communication
Plastic optical fibers
plastic fibers
barrier layers
Light emitting diodes
2005

InGaN/GaN MQW LEDs with Si treatment

Hsu, Y. P., Chang, S. J., Su, Y. K., Tsai, J. M., Chen, S. C., Lai, W. C., Kuo, C. H. & Chang, C. S., 2005 Dec 1, Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 2005. p. 902-903 2 p. 1569595. (Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest; vol. 2005).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
2003

400nm InGaN/GaN and InGaN/AlGaN multiquantum well light-emitting diodes

Chang, S. J., Kuo, C. H., Su, Y. K., Wu, L. W., Sheu, J. K., Wen, T. C., Lai, W. C., Chen, J. F. & Tsai, J. M., 2003 Jan 1, Proceedings of the 6th Chinese Optoelectronics Symposium, COES 2003. Chan, K. T. & Kwok, H. S. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 91-94 4 p. 1278172. (Proceedings of the 6th Chinese Optoelectronics Symposium, COES 2003).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
Vapor phase epitaxy
Epitaxial layers
Electroluminescence
Organometallics
5 Citations (Scopus)

Improved ESD reliability by using a modulation doped Al0.12Ga0.88N/GaN superlattice in nitride-based LED

Wen, T. C., Chang, S. J., Su, Y. K., Wu, L. W., Kuo, C. H., Hsu, Y. P., Lai, W. C. & Sheu, J. K., 2003 Jan 1, 2003 International Semiconductor Device Research Symposium, ISDRS 2003 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 77-78 2 p. 1272004. (2003 International Semiconductor Device Research Symposium, ISDRS 2003 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electrostatic discharge
Nitrides
Light emitting diodes
Modulation
Electron gas

Nitride-based QD LEDs

Chang, S-J., Su, Y. K., Ji, L. W., Chang, C. S., Wu, L. W., Lai, W-C., Fang, T. H. & Lam, K. T., 2003 Jan 1, 2003 International Semiconductor Device Research Symposium, ISDRS 2003 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 81-82 2 p. 1272006. (2003 International Semiconductor Device Research Symposium, ISDRS 2003 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroluminescence
Nitrides
Semiconductor quantum dots
Light emitting diodes
Semiconductor quantum wells